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        Dynabeads® mRNA DIRECT™ Micro Kit User Guide
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1.      b  Tap the plate to resuspend the beads in the nuclease free water  then let sit 30  seconds at room temperature  If the solution appear homogenous  continue  to the next step  If not  pipet to resuspend the beads before continuing to the  next step     c  Place the plate on the Magnetic Stand 96  After the solution clears  transfer  the supernatant containing the mRNA to a new tube without disturbing the  pellet     Store the isolated mRNA on ice for immediate use  or store for up to two weeks at   80  C     For guidelines on using the isolated mRNA in downstream applications  see Appendix  B on page 28     Dynabeads   mRNA DIRECT    Micro Kit User Guide 21    Chapter 3 mRNA Isolation from Purified Total RNA    mRNA isolation from  gt 1 50 ug total RNA samples    Assess the yield  and size  distribution of the  mRNA    22    Assess the yield and size distribution of the mRNA using the appropriate method for  your initial sample input        Total RNA initial  sample input    Recommended method       28 ug    1  Quantitate the yield of the mRNA using the Qubit   RNA Assay Kit   Cat  no  Q32852  with a Qubit   Fluorometer   Refer to Qubit   RNA Assay Kits Manual  Man  no  MAN0002327  or the  Qubit   2 0 Fluorometer User Manual  Man  no  MAN0003231  for  instructions     Note  You can use a NanoDrop   Spectrophotometer in place of the  Qubit   RNA Assay Kit and Qubit   Fluorometer  For increased  accuracy  we recommend that you quantitate the RNA concentration  using the Q
2.     80  C     PCR amplification 1  Immediately before adding the reverse transcription PCR mix  place the tube  containing the Dynabeads   mRNA complex on the magnet for 1 minute  then  discard the supernatant     2  Add reverse transcription PCR reaction mix     e For one tube PCR  Resuspend the Dynabeads   mRNA complex in 50 uL  reverse transcription PCR mix and transfer to the PCR tube     e For two step PCR  Resuspend the Dynabeads   mRNA complex in the  reverse transcription PCR reaction mix according to the manufacturer   s  recommendation     3  Perform cDNA synthesis as recommended by the manufacturer of the reverse  transcriptase  When using a thermostable reverse transcriptase and the bead   bound oligo  dT  as primer for first strand cDNA synthesis  an initial incubation  at 50  C for 5 minutes is necessary before proceeding at the recommended  temperature  For additional guidelines on using the isolated mRNA in  downstream applications  see Appendix B on page 28     Dynabeads   mRNA DIRECT    Micro Kit User Guide 13    2 Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues  mRNA isolation from tumor cells    mRNA isolation from tumor cells    Before you begin    Prepare lysate  from tumor cells  isolated from  whole blood or  MNC    Isolate mRNA for  PCR amplification    14       IMPORTANT  To prevent RNA degradation by RNase contamination  use gloves and  change them frequently        Dynabeads   Epithelial Enrich  coated with the monoclo
3.    Place the sample tube on the magnet for 1 minute  then discard the supernatant     Remove the sample tube from the magnet and resuspend the Dynabeads   mRNA  complex in 100 uL Washing Buffer A by careful pipetting     Place the sample tube on the magnet for 1 minute  then discard the supernatant   Repeat steps 5 6 once    Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B   Transfer the suspension to a new tube     Place the new sample tube on the magnet for 1 minute  then discard the  supernatant     Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B   Place the sample tube on the magnet for 1 minute  then discard the supernatant     Remove the sample tube from the magnet and resuspend the Dynabeads   mRNA  complex in 100 uL of ice cold 10 mM Tris HCl     Store the sample tube on ice for immediate use in PCR amplification     Note  We recommend that you immediately use the Dynabeads   mRNA  complex for reverse transcription  If storage is needed  elute the mRNA off the  beads and freeze the mRNA containing supernatant  When storing mRNA  it is  critical that no RNase is present in your sample    If elution of mRNA is necessary  add 10 20 uL 10 mM Tris HCl and incubate at  65  C to 80  C for 2 minutes  Place the tube on the magnet and immediately  transfer the supernatant to a new microcentrifuge tube  The eluate may be used  immediately for reverse transcription or store for up to two weeks at    80  C     Immediately before adding the revers
4.    mRNA DIRECT    Micro Kit User Guide 15    mRNA Isolation from  Purified Total RNA       M WOLKE OW iro  sesh sie seach She senna ob 0 ni E niece a patina a e adored 16  m Materials and equipment required but not provided                     00  17  E mRNA isolation from  gt 1 50 ug total RNA samples                 000000065 17  E mRNA isolation from 100 ng   1 ug total RNA samples                    5  23    Workflow    Wash the Dynabeads   Oligo  dT 25         Prepare the total RNA sample s          Perform two rounds of mRNA isolation in the same well  Prepare the RNA for binding        Round 1     Bind the mRNA to the Dynabeads          Wash the mRNA       Elute the mRNA         Round 2   Re bind the mRNA to the Dynabeads        v  Wash the mRNA        Elute the mRNA    16 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 3 mRNA Isolation from Purified Total RNA    Materials and equipment required but not provided    Materials and equipment required but not provided                         Item Source Cat no    Nuclease free water Life Technologies AM9938   Optional  Exfold ERCC Spike In Mix Life Technologies 4456739  or or   ERCC RNA Spike In Mix 4456740  Magnetic Stand 96 Life Technologies AM10027  or or  Magnetic Ring Stand  96 Well  AM10050  or or  DynaMag    2 Magnet 12321D  Pipettors and RNAse free pipette tips Major laboratory       suppliers  MLS    1 2 mL 96 well U bottom plate MLS       Optional  Non Stick RNase free Microfuge Life Technologies AM124
5.   or see Appendix C      Ordering Information    on page 30 for a list of appropriate total RNA purification  products  Quantitate the amount of RNA in the sample using a Qubit   Fluorometer or  NanoDrop   Spectrophotometer     1     Dilute the 100 ng 1 ug total RNA sample in nuclease free water to a final volume  of 50 uL        IMPORTANT  If you will add spike in control mix  see next step   reduce the final  RNA sample volume to allow for the appropriate volume of spike in mix  For  example  for 100 ng Total RNA input  bring the sample volume to 48 uL to allow  for the addition of 2 uL spike in mix in the next step     Dynabeads   mRNA DIRECT    Micro Kit User Guide 23    3 Chapter 3 mRNA Isolation from Purified Total RNA  MRNA isolation from 100 ng 1 ug total RNA samples    2   Recommended for gene expression experiments  Add an ERCC Spike In Control Mix  to the diluted total RNA sample  See the ERCC RNA Spike In Control Mixes User  Guide  Part no  4455352  for mix selection and sample preparation procedures   The following chart indicates the correct dilution of ERCC to be added to the total  RNA sample based on input                       Amount of total RNA Volume of Spike In Mix 1 or Mix 2  dilution t  100 ng 2 uL  1 1000   250 ng 1 uL  1 200   500 ng 1 uL  1 100   750 ng 3 pL  1 200   1 ug 2 uL  1 100           t ERCC RNA Spike In Mix 1  ExFold Spike In Mix 1  or ExFold Spike In Mix 2    Perform two 1  Prepare the RNA for binding    rounds of mRNA a  Heat the total R
6.   tore ENA Dp Dynabeads   Oligo  dT 25                1 8 ug 30 uL   gt 8 20 ug 50 uL   gt 20 50 ug 100 uL       Place the tube or plate onto the appropriate magnetic stand  then allow the  suspension to clear     Aspirate and discard the clear supernatant without disturbing the beads     Remove the tube or plate from the magnetic stand  then add an equivalent  volume of fresh Lysis Binding Buffer to the beads     Vortex to resuspend the beads  then quick spin to bring the beads to the bottom of  the tube     The mixture should appear homogeneous     Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 3 mRNA Isolation from Purified Total RNA 3  mRNA isolation from  gt 1 50 ug total RNA samples    Prepare the total Note  Use the highest quality total RNA possible as your starting material  Ideally  use   RNA sample s  RNA with an RNA integrity number  RIN  greater than 7  Use FirstChoice   Total RNA  for high quality  intact RNA isolated from a variety of sources  or see Appendix C      Ordering Information    on page 30 for a list of appropriate total RNA purification  products  Quantitate the amount of RNA in the sample using a Qubit   Fluorometer or  NanoDrop   Spectrophotometer     1  Dilute the total RNA sample in nuclease free water to bring the sample to the final  volume shown in the following table        Final RNA sample volume if   Final RNA sample volume if    UEN IRAKS pul using Spike In Mixt not using Spike In Mix       1 8 ug 150 uL   volume Spike In Mix 
7.  8  Materials and equipment required but not provided             0    eee eee eee eee eens 9  Prepare reagents and samples             00 000 cece cece eee eee eee ranra 9  Prepare    burters      occgra  eve ew ead dese de hives ee ed ene beta dee ne be tata drag vee tees 9  Wash Dynabeads   Oligo  dT o5 before use     0 6    cece eee tenn ees 9  Prepare Samples eeraa 3 5 ERAI Petes ENEE tee AEA oe Hades Med aee at 10  mRNA isolation from cultured cells and cell suspensions               00000e cece eee eees 10  Beforeyou  begin ics  caxageaedecteeeeaed gore ec ee ie ee eee 10  Prepare lysate from cultured cells and cell suspensions                000000eee ee eees 10  Isolate MRNA for PCR amplification               00 000 c cece eee eee eee eens 10   PCER amplification stata ute te fags Pec ah at Ad a se aes deat Seah oe ha to 11  MRNA isolation from tissues       00    e ented ene teen eaae 12  Before youbegimi c 2254 028 aha lialgutes fog bide ee deans Gee aaey SNARE 12  Prepare lysate from plant and animal tissues                 00000 c eee e cece eee eee es 12  Isolate MRNA for PCR amplification               00 000 cc cece eee eee eee ees 12   PG Ream plilication scx 2e ieaie a Beene se ee oe ee Sih oe ee ee Oe eee ae 13  mRNA isolation from tumor cells         cece nent nn t eee arran 14  Before you begin asoeio rasaan a askew ne de et a sete eee Sema eed Cee 14  Prepare lysate from tumor cells isolated from whole blood or MNC                        14  Isolate MRN
8.  AMV  resulting in  greater enzyme specific activity than native AMV  RT  leading to higher cDNA yields and improved  sensitivity     12328 019       ThermoScript    Reverse  Transcriptase       An avian RT with reduced RNase H activity  designed for RT PCR        12236 014       Dynabeads   mRNA DIRECT    Micro Kit User Guide    31    Appendix C Ordering Information    Additional products mentioned in this user guide    Additional products mentioned in this user guide       Item    Description    Life Technologies Cat no        lon Total RNA Seq Kit v2    Use to convert RNA transcripts expressed in a cell or  tissue into representative cDNA libraries for strand   specific RNA sequencing on the lon Torrent Personal  Genome Machine    PGM     System     4475936       Exfold ERCC Spike In Mix  ERCC RNA Spike In Mix    Use these kits to     e Measure sensitivity  lower limit of detection  and  dynamic range of an experiment    e Quantitate differential gene expression  e Ensure quality control amongst experiments    4456739  4456740       Qubit   RNA Assay Kit       Provides an accurate and selective method for the  quantitation of high abundance RNA samples        Q32852       32    Dynabeads   mRNA DIRECT    Micro Kit User Guide    Safety          WARNING  GENERAL SAFETY  Using this product in a manner not specified  in the user documentation may result in personal injury or damage to the  instrument or device  Ensure that anyone using this product has received  instructions i
9.  C     Note  If you will use the isolated mRNA to perform RT PCR  we recommend that  you do not elute the mRNA  instead use the Dynabeads   Oligo  dT 75 mRNA  complex immediately for reverse transcription  see    PCR amplification    on page  11   If storage is needed  elute and store the mRNA as directed in    Guidelines for  best results    on page 26     Next steps if using Do not quantify or qualify the isolated mRNA  Proceed directly to the step    Fragment   lon Total RNA Seq the RNA using RNase III    in the low input RNA Seq whole transcriptome library   Kit v2 preparation procedure described in the Ion Total RNA Seq Kit v2 User Guide  Part  no   4476286   Use the entire eluted volume of mRNA as your starting material     Note  You can assume  1  recovery of original total RNA input     Dynabeads   mRNA DIRECT    Micro Kit User Guide 25    JAN Guidelines and Troubleshooting       Guidelines for best results    e Prevent RNase contamination by following standard procedures during the  preparation of starting material and during the experiment  for example       Wear disposable gloves and change them frequently     Use sterile  RNase free microcentrifuge tubes and pipette tips     e Keep the vials of Dynabeads   Oligo  dT y5 in an upright position to ensure that  the beads are covered with buffer  as drying will reduce their performance     Note  If the Dynabeads   Oligo  dT  5 become dried out  resuspend the beads in  the buffer they are supplied in by placing the vial
10.  Support and  Sales facilities    e Search through frequently asked questions  FAQs   e Submit a question directly to Technical Support  techsupport lifetech com     e Search for user documents  SDSs  vector maps and sequences  application notes   formulations  handbooks  certificates of analysis  citations  and other product  support documents    e Obtain information about customer training    e Download software updates and patches    Limited Product Warranty    Life Technologies Corporation and or its affiliate s  warrant their products as set forth  in the Life Technologies  General Terms and Conditions of Sale found on Life   Technologies    website at www lifetechnologies com termsandconditions  If you have  any questions  please contact Life Technologies at www lifetechnologies com support     Dynabeads   mRNA DIRECT    Micro Kit User Guide 37    38    Bibliography    Fellmann  F  et al  1996  Simplified Protocol of Solid Phase cDNA Libraries for Multiple  PCR Amplification BioTechniques 21 766 770     Fiorenza  M T  and Mangia  F  1998  Quantitative RT PCR Amplification of RNA in  Single Mouse oocytes and preimplantation Embryos  BioTechniques 24 618   623     Jakobsen  K S  et al  1994  Direct mRNA isolation using Magnetic Oligo  dT  Beads  A  protocol for all types of cell cultures  animal and plant tissues  In  Advances in  Biomagnetic Separation  Editors  Uhl  n  M   Hornes  E  and Olsvik      Natick  MA   Eaton Publishing  61 72     Karrer  E E  et al  1995  In S
11.  by adding different specific primer sets in  successive PCR reactions using the solid phase cDNA library as template   Some of the advantages are    e Allows multiple analysis of precious materials and small samples    e One extraction allows the amplification of several gene transcripts     e Enables simple and rapid buffer changes required to optimize the conditions for  specific enzymes     PCR amplification from a reusable solid phase cDNA library    1  Add PCR mix with primers and Taq polymerase  and resuspend the cDNA   Dynabeads   properly   Cycle twice to generate enough template for further amplification with a5 minute  extension at 72  C   Melt the strands at 94  C for 2 minutes  place on magnet and transfer the  supernatant with the amplification product to a new PCR tube  Continue the  cycling reaction     2  Wash the cCDNA Dynabeads   twice in 10 mM Tris HCl or 1 x PCR buffer and  reuse them by adding a new PCR mix for amplification of a different transcript     3  For storage of the cDNA library use TE buffer or equivalent amplified PCR   products are analyzed by standard molecular methods     Note  If it is not necessary to reuse the CDNA Dynabeads    just run the PCR with  the beads present through the cycling reactions as described     RNA Seg whole transcriptome library preparation    Use one of the protocols in Chapter 3     mRNA Isolation from Purified Total RNA    on  page 16 to prepare mRNA samples from low input  100 ng   1 ug  or standard input    gt 
12.  heat denatured RNA mixture to each well that contains  Dynabeads   Oligo  dT z5     Dynabeads   mRNA DIRECT    Micro Kit User Guide 19    3 Chapter 3 mRNA Isolation from Purified Total RNA  mRNA isolation from  gt 1 50 ug total RNA samples    c  Pipet the mixture up and down 10 times  then incubate at room temperature  for 5 minutes  The mixture should appear homogeneous     d  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     3  Wash the RNA     IMPORTANT  LiDS  a component of the Lysis Binding and Washing A Buffers  is a  strong inhibitor of enzymatic reactions  To minimize LiDS carryover       Always use Washing Buffer A first  followed by Washing Buffer B  Washing  Buffer B does not contain LiDS       Thoroughly resuspend the beads mRNA complex during the wash steps     a  Remove the plate from the Magnetic Stand 96  Add the appropriate amount  of Washing Buffer A to each well  then pipet up and down 10 times        Total RNA input   Washing Buffer A volume  1 8 ug 200 uL   gt 8 50 ug 600 uL                The mixture should appear homogeneous     b  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     c  Remove the plate from the Magnetic Stand 96  Add 300 uL of Washing  Buffer B to each well  then pipet up and down 10 times   The mixture should appear homogeneous     d  Place the plate on the Magn
13.  on a roller or equivalent  overnight  2  C to 8  C   This treatment will restore their complete functionality     e RNase inhibitors may be added to the protocol at any step   Note  Adding an RNase inhibitor is normally redundant     e If you are isolating mRNA for RT PCR  We recommend that you immediately use  the Dynabeads   mRNA complex for reverse transcription  If storage is needed   elute the mRNA off the beads and freeze the mRNA containing supernatant   When storing mRNA  it is critical that no RNase is present in your sample    If elution of mRNA is necessary  add 10 20 uL 10 mM Tris HCl and incubate at  65  C to 80  C for 2 minutes  Place the tube on the magnet and immediately  transfer the supernatant to a new microcentrifuge tube  The eluate may be used  directly for reverse transcription or frozen for later use   80  C     e If needed  measure the concentration of mRNA by reading the absorbance of  eluted mRNA at 260 nm  The solution must be free of Dynabeads   Oligo  dT  95 as  the beads will interfere with the spectrophotometrical readings     e For mRNA isolation from larger sample volumes  use the Dynabeads   mRNA  Direct    Kit     26 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Troubleshooting    Appendix A Guidelines and Troubleshooting    Troubleshooting       Observation    Possible cause    Recommended action       Dynabeads   Oligo  dT  95  are dried out    Dynabeads   Oligo  dT  5 were not capped  correctly  or were not stored in an upright  po
14.  which is not used in this protocol     Confirm that the Lysis Binding Buffer has not precipitated  If any precipitation is  observed  warm to room temperature and shake to dissolve     Warm 50 uL nuclease free water per sample at 80  C   Set a heat block or water bath to 70  C     Wash the Note  Keep the Dynabeads   Oligo  dT 95 in liquid suspension during handling and  Dyna beads   Oligo storage to avoid reduced performance    dT o5 1  Vortex the Dynabeads   Oligo  dT  5 thoroughly to resuspend   2  Pipet the appropriate volume of beads  22 uL of beads per sample  into a new  1 5 mL tube   Note  If you are processing a single sample  you can pipet 22 uL of beads into a  single well in a 1 2 mL 96 well plate  Use separate wells for preparing the  Dynabeads   and for isolating the mRNA   3  Place the tube onto a magnetic stand  then allow the suspension to clear   4  Aspirate and discard the clear supernatant without disturbing the beads   5  Remove the tube from the magnetic stand  then add an equivalent volume of  fresh Lysis Binding Buffer to the beads   6  Pipet up and down 10 times to resuspend the beads  Avoid splashing or  introducing bubbles to the suspension   The mixture should appear homogeneous   Prepa re the total Note  Use the highest quality total RNA possible as your starting material  Ideally  use  RNA sample s  RNA with an RNA integrity number  RIN  greater than 7  Use FirstChoice   Total RNA    for high quality  intact RNA isolated from a variety of sources
15. 000     Provides economical access to a range of high   quality tissue specific total RNAs     See  www lifetechnologies com  for a full list of available  products        PureLink    RNA Mini Kit    Column based method for isolating high quality  total RNA from animal and plant cells and tissues  as well as blood  bacteria  yeast  and liquid  samples     12183018A       mirVana    miRNA Isolation Kit    Uses a rapid procedure to isolate small RNAs from  tissue and cells using an efficient glass fiber filter   GFF  based method     AM1560       MagMAX    96 for Microarrays Total  RNA Isolation Kit       Provides rapid  high throughput purification of RNA  from mammalian cells and tissue in 96 well plates        AM1839       30    Dynabeads   mRNA DIRECT    Micro Kit User Guide    Appendix C Ordering Information  Reverse transcription for Real Time PCR products    Reverse transcription for Real Time PCR products       Item    Description    Life Technologies Cat no        High Capacity cDNA Reverse  Transcription Kit  1000 Reactions   Formerly the High Capacity cDNA  Archive Kit     Contains all components necessary for the  quantitative conversion of up to 2 ug of input total  RNA in a single 20 uL reaction to single stranded  cDNA  Reactions can be scaled up to 100 uL to  generate 10 ug of cDNA from a single reaction     4368813                High Capacity RNA to cDNA Kit High quality reverse transcription for easy reaction   4387406  set up and short reaction time with max
16. 1 50 ug  total RNA  The resulting sample is appropriate for use with the Ion Total  RNA Seq Kit v2 0  Part no  4475936   which converts the RNA transcripts into  representative cDNA libraries for strand specific RNA sequencing on the Ion Personal  Genome Machine    PGM     sequencer     Dynabeads   mRNA DIRECT    Micro Kit User Guide 29       Ordering Information    Other Dynabeads   Oligo  dT 25 products         0    eee eee 30  Total RNA and total RNA purification products             0  eee eee ee 30  Reverse transcription for Real Time PCR products                  0005000 31  Reverse transcription for cloning products            6    c cece eee eee 31  Additional products mentioned in this user guide                     006  32    Other Dynabeads   Oligo  dT   products       Item    Description    Life Technologies Cat no        Dynabeads   mRNA DIRECT    Kit    For direct isolation of mRNA from cells  animal and  plant tissue    61011 and 61012                      Dynabeads   mRNA Purification Kit   For mRNA purification from total RNA 61006  Dynabeads   Epithelial Enrich For enriching epithelial tumor cells directly from 16102  whole blood  bone marrow  or PBMC suspensions   Dynabeads   Oligo  dT 95   2x 1mL       61002  Dynabeads   Oligo  dT o5   5x 1mL        61005       Total RNA and total RNA purification products       Item    Description    Life Technologies Cat no        Ambion   Total RNA products  for  example  FirstChoice   Human Total  RNA Survey Panel  AM6
17. 150 uL  from table in step 2        gt 8 50 ug 300 uL   volume Spike In Mix 300 uL  from table in step 2             t Ifyou will add spike in control mix  see next step   reduce the final RNA sample volume to allow for the  appropriate volume of spike in mix  For example  for 5 ug Total RNA input  bring the sample volume to  149 uL to allow for the addition of 1 uL spike in mix in the next step     2   Recommended for gene expression experiments  Add an ERCC Spike In Control Mix  to the diluted total RNA sample  See the ERCC RNA Spike In Control Mixes User  Guide  Part no  4455352  for mix selection and sample preparation procedures   The following chart indicates the correct dilution of ERCC to be added to the total  RNA sample based on input                             Total RNA input Volume of Spike In Mix 1 or Mix 2  dilution     1 ug 2 uL  1 100    5 ug 1 uL  1 10    10 ug 1 uL  1 5    20 ug 2 uL  1 5    30 ug 3 pL  1 5    40 ug 4uL  1 5    50 yg Tul          t ERCC RNA Spike In Mix 1  ExFold Spike In Mix 1  or ExFold Spike In Mix 2    Perform two 1  Prepare the RNA for binding    rounds of mRNA a  Heat the total RNA at 70  C for 2 minutes    isolation in the b  Add an equal volume of Lysis Binding Buffer to each volume of prepared  same well total RNA sample  mix well  then quick spin the samples     2  Bind the mRNA to the Dynabeads       a  Pipet the appropriate volume of washed Dynabeads   Oligo  dT 95 into a  new well of the 1 2 mL 96 well plate     b  Transfer the
18. 50    Tubes  1 5 mL  250       Heat block and or incubator       MLS          mRNA isolation from  gt 1 50 ug total RNA samples    Before you begin    e Read    Guidelines for best results    on page 26     e Prepare the Ion Total RNA Seq Kit v2 reagents as directed in the Jon Total  RNA Seq Kit v2 User Guide  Pub  no  4476286  before beginning this mRNA    isolation protocol     e Bring all the Dynabeads   mRNA DIRECT    Micro Kit reagents to room  temperature  except the 10 mM Tris HCl  which is not used in this protocol     e Confirm that the Lysis Binding Buffer has not precipitated  If any precipitation is    observed  warm to room temperature and shake to dissolve     e Warm 180 uL nuclease free water per sample to 80  C     e Set a heat block or water bath to 70  C     Dynabeads   mRNA DIRECT    Micro Kit User Guide    17    3 Chapter 3 mRNA Isolation from Purified Total RNA  mRNA isolation from  gt 1 50 ug total RNA samples    Wash the Note  Keep the Dynabeads   Oligo  dT y5 in liquid suspension during handling and  Dyna beads   Oligo storage to avoid reduced performance      dT o5 1    18      Vortex the Dynabeads   Oligo  dT  95 thoroughly to resuspend   2     Pipet the appropriate volume of beads for your total RNA input into a new  1 5 mL tube or 1 2 mL 96 well U bottom plate     Note  Include 5 10  excess volume for pipetting losses  For example  for 6  samples of 5 ug total RNA input  add 6 x 30 uL x 1 05   190 uL of beads to the  tube        Volume per sample  
19. A for PCR amplification               00 00000 cece eens 14   PGR am pluinicatlon a  Scr n Ain oh 23 meth Mee itis la a RED aaah oe een tN 2d 28 ed coat mare 15      CHAPTER 3 mRNA Isolation from Purified Total RNA             16  WoOPkKHOW 3  nce esa wc Seer oe Sede ea wee eo Side ete a eaten 16  Materials and equipment required but not provided                  00  eect ee ees 17  mRNA isolation from  gt 1 50 pg total RNA samples                 00000 c cece cece eee es 17  Before you begin usarem geen  os Ma eae eon eet bowie alec ls Sei 17  Wash the Dynabeads   Oligo  dT o5   2    cece nen eee eee eee aes 18    Dynabeads   mRNA DIRECT    Micro Kit User Guide 3    Contents    Prepare the total RNA samplels             000  c ccc cece cnc nen rnrn nen eens 19   Perform two rounds of mRNA isolation in the same well             000  e cece eee eens 19   Assess the yield and size distribution of the MRNA               000000 cece cere eens 22  mRNA isolation from 100 ng 1 pg total RNA samples               000 ccc cece 23   Before Vou begun ian EE tint 6 seh eteca ied ded bee ak eh E Bere Gy cid are mene diate catia 23   Wash the Dynabeads   Oligo  dT os   2 0 0    cece eect ee eee e eee e teen teen teen tees 23   Prepare the total RNA samplels             00000 cece cece cence cence enn e eee n eee 23   Perform two rounds of mRNA isolation in the same well             00  e cence eee eens 24   Next steps if using lon Total RNA Seq Kit v2              00 020 e eee eee eee eee 
20. Guide 35    Documentation and Support    Related documentation    Obtaining SDSs    The following related document is available from  http   ioncommunity iontorrent com        Document Ratt Description  number       lon Total RNA Seq Kit v2 4476286 Provides detailed procedures for RNA Seq whole  User Guide transcriptome library preparation using the lon  Total RNA Seq Kit v2              Note  To open the user documentation available from  http   ioncommunity iontorrent com  use the Adobe   Reader   software available  from www adobe com     Note  For additional documentation  see    Obtaining support    on page 37     Safety Data Sheets  SDSs  are available from www lifetechnologies com support     Note  For the SDSs of chemicals not distributed by Life Technologies  contact the  chemical manufacturer     Obtaining Certificates of Analysis    36    The Certificate of Analysis provides detailed quality control and product qualification  information for each product  Certificates of Analysis are available on our website  Go  to www  lifetechnologies com support and search for the Certificate of Analysis by  product lot number  which is printed on the box     Dynabeads   mRNA DIRECT    Micro Kit User Guide    Documentation and Support  Obtaining support    Obtaining support    For the latest services and support information for all locations  go to   www lifetechnologies com support    At the website  you can     e Access worldwide telephone and fax numbers to contact Technical
21. Micro Kit User Guide 5    Chapter 1 Product Information    Contents and storage    Product The Dynabeads   mRNA DIRECT    Micro Kit provides enough reagents for     performance e 100 microscale direct mRNA isolations from up to 2 5 x 104 mononuclear cells  up  to 1 x 104 cultured cells  or up to 5 mg tissue  depending on the tissue type     e 100 microscale or 20 large scale  50 ug  mRNA isolations from purified total RNA    A strong RNase inhibiting agent and stringent hybridization and washing buffers  ensure isolation of intact  high purity mRNA even from crude samples rich in RNases   Enzymatic downstream applications are not inhibited by the presence of the beads     1 mL of Dynabeads   Oligo  dT y5 can isolate 10 ug of mRNA  The specific yield will  depend on the tissue  cell  or total RNA type     Contents and storage    The Dynabeads   mRNA DIRECT    Micro Kit  Cat  no  61021  contains the following          components    Contents Description Storage Conditions  Dynabeads   Oligo  dT o5 Supplied as approximately 5 mg mL bead suspension in   Store at 2  C to 8  C  After   2x 1mL  phosphate buffered saline  PBS  pH 7 4  containing opening  avoid bacterial   0 02  sodium azide  NaN3  as a preservative  contamination   e 137 mM NaCl  e 2 7 mM KCL    e 43 mM NaHPO  x 7H20  e 1 4 mM KH PO    e 0 02  NaN3  Lysis Binding Buffer  15 mL    e 100 mM Tris HCl  pH 7 5  e 500 mM LiCl   e 10 mM EDTA  pH 8 0   e 1  LIDS   e 5 mM dithiothreitol  DTT   Washing Buffer A  30 mL  e 10 mM 
22. NA at 70  C for 2 minutes    isolation in the b  Add 50 uL of Lysis Binding Buffer to each 50 uL prepared total RNA  same well sample  mix well  then quick spin the samples     2  Bind the mRNA to the Dynabeads       a  Pipet 20 uL of washed Dynabeads   Oligo  dT 25 into a new well of the  1 2 mL 96 well plate    b  Transfer 100 uL of the heat denatured RNA mixture to the well that contains  Dynabeads   Oligo  dT z5    c  Pipet the mixture up and down 10 times  then incubate at room temperature  for 5 minutes  The mixture should appear homogeneous     d  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     3  Wash the RNA     IMPORTANT  LiDS  a component of the Lysis Binding and Washing A Buffers  is a  strong inhibitor of enzymatic reactions  To minimize LiDS carryover     Always use Washing Buffer A first  followed by Washing Buffer B  Washing  Buffer B does not contain LiDS     Thoroughly resuspend the beads mRNA complex during the wash steps     a  Remove the plate from the Magnetic Stand 96  Add 100 uL Washing Buffer  A to each well  then pipet up and down 10 times     The mixture should appear homogeneous     b  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     c  Remove the plate from the Magnetic Stand 96  Add 100 uL Washing Buffer B  to each well  then pipet up and down 10 times     The mixture 
23. NA isolation     but not less than 1 mL  to the microcentrifuge tube  then mix     2 Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues  mRNA isolation from cultured cells and cell suspensions    Prepare samples    Place the tube on a magnet for 1 minute  then remove and discard the  supernatant     Remove the tube from the magnet  then resuspend the beads in the same volume  of Lysis Binding Buffer that you used in step 2c  20 uL per mRNA isolation    Aliquot 20 uL suspension to each sample tube     If you are preparing reverse transcription reactions  Prepare your reverse  transcription PCR mix before the mRNA isolation and keep on ice     If you are working with cells previously isolated using magnetic separation   Make sure that all Dynabeads   are removed from the lysate before adding  Dynabeads   Oligo  dT zs5  see    mRNA isolation from tumor cells    on page 14      If you are working with frozen cells  Perform a rapid lysis in Lysis Binding buffer   This is critical for obtaining undegraded mRNA  Avoid thawing of frozen  material before lysis     mRNA isolation from cultured cells and cell suspensions    Before you begin    Prepare lysate  from cultured cells  and cell  suspensions    Isolate MRNA for  PCR amplification    10       IMPORTANT  To prevent RNA degradation by RNase contamination  use gloves and  change them frequently     Note  To isolate mRNA from primary tumor cells from whole blood or bone marrow  tissues  see    mRNA isolat
24. Tris HCl  pH 7 5  e 0 15 M LiCl   e 1 mM EDTA   e 0 1  LIDS    Washing Buffer B  30 mL  e 10 mM Tris HCl  pH 7 5  e 0 15 M LiCl  e 1mM EDTA    10 mM Tris HClt  15 mL  10 mM Tris HCl  pH 7 5                           The protocols in Chapter 3     mRNA Isolation from Purified Total RNA    on page 16 use nuclease free water for elution rather than the 10 mM  Tris HCl Elution Buffer provided with the kit     6 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Storage and  stability    Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 1 Product Information 1  Contents and storage    The components in the kit are guaranteed stable until the expiry date stated on  the label when stored unopened at 2  C to 8  C     All reagents used are of analytical grade and RNase free     The Dynabeads   suspension and the buffers provided in the kit are ribonuclease   free and tested for optimal performance     Dynabeads   Oligo  dT y5 are stable in a pH range of 4 13    Dynabeads   Oligo  dT 25 may be frozen in the buffer they are supplied in  Avoid  repeated freezing and thawing  Do not store or freeze the Dynabeads   in distilled  water    Store the vials of Dynabeads   upright to avoid drying of the beads  If the  Dynabeads   have dried in the vial  resuspend the beads in the buffer they are  supplied in by placing the vial on a mixer overnight  4  C     If the buffers precipitate  warm to room temperature and mix until the precipitate  dissolves     Direct MRNA Isolation from  Mic
25. USER GUIDE    ambion     oy life technologies       Dynabeads   mRNA DIRECT    Micro Kit    Catalog Number 61021    Revision 004  Revision Date 14 May 2012    o  For Research Use Only  Not for human or animal therapeutic or  diagnostic use  technologies       For Research Use Only  Not for human or animal therapeutic or diagnostic use   The information in this guide is subject to change without notice   DISCLAIMER    LIFE TECHNOLOGIES CORPORATION AND OR ITS AFFILIATE S  DISCLAIM ALL WARRANTIES WITH RESPECT TO THIS DOCUMENT  EXPRESSED OR IMPLIED   INCLUDING BUT NOT LIMITED TO THOSE OF MERCHANTABILITY  FITNESS FOR A PARTICULAR PURPOSE  OR NON INFRINGEMENT  TO THE EXTENT  ALLOWED BY LAW  IN NO EVENT SHALL LIFE TECHNOLOGIES AND OR ITS AFFILIATE S  BE LIABLE  WHETHER IN CONTRACT  TORT  WARRANTY  OR  UNDER ANY STATUTE OR ON ANY OTHER BASIS FOR SPECIAL  INCIDENTAL  INDIRECT  PUNITIVE  MULTIPLE OR CONSEQUENTIAL DAMAGES IN  CONNECTION WITH OR ARISING FROM THIS DOCUMENT  INCLUDING BUT NOT LIMITED TO THE USE THEREOF     NOTICE TO PURCHASER  LIMITED USE LABEL LICENSE  Research Use Only    The purchase of this product conveys to the purchaser the limited  non transferable right to use the purchased amount of the product only to perform internal  research for the sole benefit of the purchaser  No right to resell this product or any of its components is conveyed expressly  by implication  or by estoppel   This product is for internal research purposes only and is not for use in commercial a
26. aining 20 uL pre washed Dynabeads   Oligo  dT 95   prepared according to    Wash Dynabeads   Oligo  dT 25 before use    on page 9      3  Pipet up and down 2 3 times to mix     4  Place the tube on a sample mixer or roller for 5 minutes at room temperature to  allow the mRNA to anneal to the Dynabeads   with continuous rotation     5  Place the sample tube on the magnet for 2 minutes  then discard the supernatant     6  Remove the sample tube from the magnet and resuspend the Dynabeads   mRNA  complex in 100 uL Washing Buffer A by careful pipetting     7  Place the sample tube on the magnet for 1 minute  then discard the supernatant   8  Repeat steps 6 7 once   9  Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B     Dynabeads   mRNA DIRECT    Micro Kit User Guide    10   11     12   13   14     15     PCR amplification 1     Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues 2  mRNA isolation from tumor cells    Transfer the suspension to a new tube     Place the new sample tube on the magnet for 1 minute  then discard the  supernatant     Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B   Place the sample tube on the magnet for 1 minute  then discard the supernatant     Remove the sample tube from the magnet and resuspend the Dynabeads   mRNA  complex in 100 uL of ice cold 10 mM Tris HCl     Store the sample tube on ice for immediate use in PCR amplification     Note  We recommend that you immediately use the Dynab
27. e kit to isolate mRNA directly from microscale samples from cells or  tissues  isolation is completed in only 15 minutes in a single tube  without the need to  prepare total RNA  or to perform any other purifications steps  Use the isolated mRNA  directly for reverse transcription into cDNA  followed by transcript amplification by  PCR  The bead bound oligo  dT  is used both to capture the mRNA and as a primer for  reverse transcriptase synthesis into first strand cDNA  The isolated mRNA does not  need to be eluted from the beads  but can instead be used directly for reverse  transcription and PCR amplification  The combination of direct mRNA isolation and  one tube reverse transcription allows for fast and reliable PCR detection     When using the kit to isolate mRNA from purified total RNA  two rounds of mRNA  isolation are completed in less than 30 minutes  The resulting isolated mRNA contains  very low ribosomal RNA content  which allows for the most accurate measurement of  coding transcripts  Samples are prepared in a plate to enable parallel processing of  multiple samples  The resulting isolated mRNA is ready for any downstream  application and has been validated for RNA Seq whole transcriptome library  preparation using the Ion Total RNA Segq Kit v2     Note  All protocols in this user guide can be used to obtain a final product of eluted  mRNA or a Dynabeads   mRNA complex  depending on the requirements for the  downstream application     Dynabeads   mRNA DIRECT    
28. e lysate 1     from plant and  animal tissues    Isolate mRNA for 1     PCR amplification    pi    12    O o o ek SS    Grind frozen tissue sample  up to 5 mg depending on the tissue type  in a  microcentrifuge tube  using a manual tissue grinder  Work quickly     Note  Aliquot  weigh  the animal or plant tissue while frozen  to avoid mRNA  degradation  Use the specified amount of tissue  since an excess of tissue will  reduce the mRNA yield and purity     Keep the sample frozen by dipping the sample tube in liquid nitrogen     Add 100 uL Lysis Binding Buffer and thaw sample while continuing to grind  until complete lysis is obtained  approximately 1 2 minutes   A rapid lysis in the  Lysis Binding Buffer is critical to obtain undegraded mRNA  If the raw extract is  noticeably viscous a shearing step might be beneficial  see    Troubleshooting    on  page 27      Centrifuge the lysate for 30   60 seconds in a microcentrifuge to remove debris  The  lysate can be frozen and stored at  80  C for later use    Combine the 100 uL lysate with the 20 uL prewashed Dynabeads   Oligo  dT 25   prepared according to    Wash Dynabeads   Oligo  dT 25 before use    on page 9    Pipet up and down 2 3 times to mix     Place the tube on a sample mixer or roller for 5 minutes at room temperature to  allow the mRNA to anneal to the Dynabeads   with continuous rotation     Place the sample tube on the magnet for 1 minute  then discard the supernatant     Remove the sample tube from the magnet and r
29. e transcription PCR mix  place the tube  containing the Dynabeads   mRNA complex on the magnet for 1 minute  then  discard the supernatant     Add reverse transcription PCR reaction mix     e For one tube PCR  Resuspend the Dynabeads   mRNA complex in 50 uL  reverse transcription PCR mix and transfer to the PCR tube     e For two step PCR  Resuspend the Dynabeads   mRNA complex in the  reverse transcription PCR reaction mix according to the manufacturer   s  recommendation     Perform cDNA synthesis as recommended by the manufacturer of the reverse  transcriptase  When using a thermostable reverse transcriptase and the bead   bound oligo  dT  as primer for first strand cDNA synthesis  an initial incubation  at 50  C for 5 minutes is necessary before proceeding at the recommended  temperature  For additional guidelines on using the isolated mRNA in  downstream applications  see Appendix B on page 28     Dynabeads   mRNA DIRECT    Micro Kit User Guide 11    Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues    mRNA isolation from tissues    MRNA isolation from tissues       IMPORTANT  To prevent RNA degradation by RNase contamination  use gloves and  change them frequently        Before you begin e Follow the instructions in    Prepare reagents and samples    on page 9     e Read    Guidelines for best results    on page 26     Note  We recommend that you prepare the reverse transcription PCR mix before  starting the mRNA isolation protocol     Prepar
30. eads   mRNA  complex for reverse transcription  If storage is needed  elute the mRNA off the  beads and freeze the mRNA containing supernatant  When storing mRNA  it is  critical that no RNase is present in your sample    If elution of mRNA is necessary  add 10 20 uL 10 mM Tris HCl and incubate at  65  C to 80  C for 2 minutes  Place the tube on the magnet and immediately  transfer the supernatant to a new microcentrifuge tube  The eluate may be used  immediately for reverse transcription or store for up to two weeks at    80  C     Immediately before adding the reverse transcription PCR mix  place the tube  containing the Dynabeads   mRNA complex on the magnet for 1 minute  then  discard the supernatant     Add reverse transcription PCR reaction mix     e For one tube PCR  Resuspend the Dynabeads   mRNA complex in 50 uL  reverse transcription PCR mix and transfer to the PCR tube     e For two step PCR  Resuspend the Dynabeads   mRNA complex in the  reverse transcription PCR reaction mix according to the manufacturer   s  recommendation     Perform cDNA synthesis as recommended by the manufacturer of the reverse  transcriptase  When using a thermostable reverse transcriptase and the bead   bound oligo  dT  as primer for first strand cDNA synthesis  an initial incubation  at 50  C for 5 minutes is necessary before proceeding at the recommended  temperature  For additional guidelines on using the isolated mRNA in  downstream applications  see Appendix B on page 28     Dynabeads
31. eee 25  APPENDIX A Guidelines and Troubleshooting                     26  Guidelines for best results       0 0    cece cece ene tenet eee ERRA ees 26  Troubleshooting asien hd back bye ree E a ad Later da ted hn aad ena ie cote 27  APPENDIX B Downstream Applications               000ce eens 28  Solid phase cDNA synthesis and one tube reverse transcription PCR                 2  20   28  Construction of immobilized cDNA libraries for multiple PCR amplifications                   29  PCR amplification from a reusable solid phase cDNA library             0 00000e cee eee eres 29  RNA Seq whole transcriptome library preparation               0000 ccc cece ee eee eee ees 29  APPENDIX    Ordering Information                0ce cece eee eeee 30  Other Dynabeads   Oligo  dT o5 products            20  c cece cece tence ene rrn 30  Total RNA and total RNA purification products             0 0 0 0 cece cece eects 30  Reverse transcription for Real Time PCR products               00 0000 eee eee eee e eee aee 31  Reverse transcription for cloning products              2 20000 cece cece eee eee eee e eens 31  Additional products mentioned in this user guide               0 000cc eee eee eee ees 32  APPENDIX D Safety wiscccxvcaii estates ty eewt ed reena 33  Chemicalsafety  lt  nencai a iaa a an eed nabhade bs Seb a pi Sod ea a eek hc a E 34   Specific  chemical handling  eenei sees ond Seagate de eared eed be eee 34  Biological hazard safety               020 c cece eee e eee e nent e ee
32. esuspend the Dynabeads   mRNA  complex in 100 uL Washing Buffer A by careful pipetting     Place the sample tube on the magnet for 1 minute  then discard the supernatant   Repeat steps 5 6 once    Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B   Transfer the suspension to a new tube     Place the new sample tube on the magnet for 1 minute  then discard the  supernatant       Resuspend the Dynabeads   mRNA complex in 100 uL Washing Buffer B   12     Place the sample tube on the magnet for 1 minute  then discard the supernatant     Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues 2  mRNA isolation from tissues    13  Remove the sample tube from the magnet and resuspend the Dynabeads   mRNA  complex in 100 uL of ice cold 10 mM Tris HCl     14  Store the sample tube on ice for immediate use in PCR amplification     Note  We recommend that you immediately use the Dynabeads   mRNA  complex for reverse transcription  If storage is needed  elute the mRNA off the  beads and freeze the mRNA containing supernatant  When storing mRNA  it is  critical that no RNase is present in your sample    If elution of mRNA is necessary  add 10 20 uL 10 mM Tris HCl and incubate at  65  C to 80  C for 2 minutes  Place the tube on the magnet and immediately  transfer the supernatant to a new microcentrifuge tube  The eluate may be used  immediately for reverse transcription or store for up to two weeks at
33. etic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     IMPORTANT  Remove as much Washing Buffer B as possible without  disturbing the pellet before you elute the samples     4  Elute the mRNA     a  Remove the plate from Magnetic Stand 96  Add the specified volume of  warmed  80  C  nuclease free water to each well  pipet up and down 10 times  to resuspend the beads in the nuclease free water  then let sit 30 seconds at  room temperature        Volume warmed nuclease free    Tekan ecb water to add per sample       1 20 ug 50 uL   gt 20 50 ug 90 uL             20 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 3 mRNA Isolation from Purified Total RNA 3  mRNA isolation from  gt 1 50 ug total RNA samples    5  Re bind the mRNA to the Dynabeads       a  Add an equal volume of Lysis Binding Buffer to each well  then pipet up and  down 10 times     b  Incubate at room temperature for 5 minutes   The mixture should appear homogeneous   c  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet   6  Repeat step 3 to wash the RNA     7  Elute the mRNA     a  Remove the plate from the Magnetic Stand 96  then add the specified volume  of the pre heated  80  C  nuclease free water to each well        Volume warmed nuclease free    Total RNA input water to add per sample                1 8 ug 10 uL   gt 8 20 ug 10 15 uL   gt 20 50 ug 20 30 uL  
34. imum  sensitivity and dynamic range   Platinum   Quantitative RT PCR Real time quantitation of RNA molecules from total   11731 015  ThermoScript    One Step System or poly A   RNA in a single step   SuperScript   VILO    cDNA Variable input  linear output to increase the dynamic   11754 050  Synthesis Kit range of qRT PCR assays   SuperScript   VILO    Master Mix Reverse transcriptase premix containing everything   11755050    needed for reverse transcription  RT  in one tube              Reverse transcription for cloning products       Item    Description    Life Technologies Cat no        M MLV Reverse Transcriptase    M MLV  Moloney Murine Leukemia Virus   Reverse Transcriptase  RT  is a recombinant  DNA polymerase that synthesizes a  complementary DNA strand from single   stranded RNA  DNA  or an RNA DNA hybrid     28025 013       SuperScript   II Reverse  Transcriptase    A DNA polymerase that synthesizes a  complementary DNA strand from single   stranded RNA  DNA  or an RNA DNA hybrid     18064 014       SuperScript   III Reverse  Transcriptase    A proprietary mutant of SuperScript   II RT that  is active at 50  C and has a half life of 220  minutes  providing increased specificity with  Gene Specific Primers  GSPs  and the highest  cDNA yield of all RTs     18080 044       AMV Reverse Transcriptase   Cloned    Cloned Avian Myeloblastosis Virus  AMV   Reverse Transcriptase  RT  is highly purified  from insect cells infected with baculovirus  containing the pol gene of
35. ing materials are also required   Liquid nitrogen MLS      Manual tissue grinder MLS      Syringe and needle  see    Troubleshooting    on page 27  MLS      When working with tumor cell samples  the following is also required   Dynabeads   Epithelial Enrich Life Technologies   16102             Prepare reagents and samples    IMPORTANT  We strongly recommend that you read this section and    Guidelines for  best results    on page 26 before starting your mRNA isolation protocol        Prepare buffers    Wash Dynabeads    Oligo  dT 25 before  use    Dynabeads   mRNA DIRECT    Micro Kit User Guide    Bring all buffers except the 10 mM Tris HCl to room temperature before use  Store  the 10 mM Tris HCI on ice or at 2  C to 8  C before use     Confirm that the Lysis Binding Buffer has not precipitated  If any precipitation is  observed  warm to room temperature and shake to dissolve       Resuspend the Dynabeads   Oligo  dT 95 in the tube  either vortex for  gt 30    seconds  or tilt and rotate for 5 minutes      Note  If the Dynabeads   Oligo  dT  5 becomes dried out  resuspend the beads in  the buffer they are supplied in by placing the vial on a roller or equivalent  overnight  2  C to 8  C  to restore their complete functionality       Transfer the appropriate volume of Dynabeads   Oligo  dT  5  use 20 uL    Dynabeads   per mRNA isolation  from the stock tube suspension to an RNase   free microcentrifuge tube       Add an equivalent volume of Lysis Binding Buffer  20 uL per mR
36. ion from tumor cells    on page 14     e Follow the instructions in    Prepare reagents and samples    on page 9     e Read    Guidelines for best results    on page 26     Note  We recommend that you prepare the reverse transcription PCR mix before  starting the mRNA isolation protocol     This protocol is recommended for samples containing up to 1 x 104 cultured cells or up  to 2 5 x 104 mononuclear cells     1     Wash the cell suspension in phosphate buffered saline  PBS  prior to preparing a  cell pellet by centrifugation     The cell pellet can be used immediately  or frozen in liquid nitrogen and stored at   80  C for later use     Add 100 uL Lysis Binding Buffer to the fresh frozen cell pellet  Perform a  repeated passage of the solution through a pipette tip to obtain complete lysis     The lysate may be frozen     80  C  and stored for later use       Transfer the clear lysate to the tube containing 20 uL pre washed Dynabeads      Oligo  dT 25  prepared according to    Wash Dynabeads   Oligo  dT 25 before use     on page 9      Pipet up and down 2 3 times to mix     Place the tube on a sample mixer or roller for 5 minutes at room temperature to  allow the mRNA to anneal to the Dynabeads   with continuous rotation     Dynabeads   mRNA DIRECT    Micro Kit User Guide    en    11   12   13     14     PCR amplification 1     o 30 oN    Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues 2  mRNA isolation from cultured cells and cell suspensions 
37. itu isolation of mRNA from individual plant cells  Creation  of cell specific cDNA libraries  Proc  Natl  Acad  Sci  USA 92 3814 3818     Lambert  K N  and Williamson  V M  1993  cDNA library construction from small  amounts of RNA using paramagnetic beads and PCR  Nucleic Acids Res  21 775 776    Lee  Y  H  and Vacquier  V D  1992  Reusable cDNA libraries coupled to magnetic  beads  Anal  Biochem  206 206   207    Raineri I  et al  1991  Improved efficiency for single sided PCR by creating a reusable  pool of first strand cDNA coupled to a solid phase  Nucleic Acids Research 19 4010     Raineri I  and Senn H P  1992  HIV 1 promotor insertion revealed by selective detection  of chimeric provirus host gene transcripts  Nucleic Acids Res  20 6261 6266     Sharma et al  1993  PCR based construction of subtractive cDNA library using  magnetic beads  BioTechniques 15 610 611     Dynabeads   mRNA DIRECT    Micro Kit User Guide    Headquarters  5791 Van Allen Way   Carlsbad  CA 92008 USA   Phone  1 760 603 7200   Toll Free in USA 800 955 6288  For support visit www lifetechnologies com support or email techsupport  dlifetech com technologies       www lifetechnologies com    SPEC 06241 14 May 2012    
38. le local  state provincial  and or  national regulations  Wear appropriate protective equipment  which includes  but is not limited to  protective eyewear  face shield  clothing lab coat  and  gloves  All work should be conducted in properly equipped facilities using the  appropriate safety equipment  for example  physical containment devices    Individuals should be trained according to applicable regulatory and company   institution requirements before working with potentially infectious materials   Read and follow the applicable guidelines and or regulatory requirements in  the following   In the U S       U S  Department of Health and Human Services guidelines published in  Biosafety in Microbiological and Biomedical Laboratories found at   www cdc gov biosafety     Occupational Safety and Health Standards  Bloodborne Pathogens   29 CFR  1910 1030   found at  www access gpo gov nara cfr waisidx_01   29cfr1910a_01 html     Your company   s institution   s Biosafety Program protocols for working with   handling potentially infectious materials      Additional information about biohazard guidelines is available at   www cdc gov   In the EU    Check local guidelines and legislation on biohazard and biosafety precaution  and refer to the best practices published in the World Health Organization   WHO  Laboratory Biosafety Manual  third edition  found at  www who int   csr resources publications biosafety WHO_CDS_CSR_LYO_2004_11 en     Dynabeads   mRNA DIRECT    Micro Kit User 
39. most cDNA synthesis kits commercially available  Perform cDNA  synthesis as recommended by the manufacturer of the reverse transcriptase     When using thermostable reverse transcriptase and the bead bound oligo  dT  as  primer for first strand cDNA synthesis  an initial step of incubation at 50  C for   5 minutes is necessary before proceeding at recommended temperature  The PCR is  not inhibited by the presence of the Dynabeads       cDNA synthesis and PCR can be performed sequentially in one tube  that is  in the  same reaction buffer using an enzyme capable of both RNA and DNA dependant  polymerization     The combination of direct mRNA isolation using Dynabeads   Oligo  dT  5 and one   tube reverse transcription PCR offers a convenient system for fast and reliable PCR  detection     28 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Appendix B Downstream Applications B     Construction of immobilized cDNA libraries for multiple PCR amplifications    Construction of immobilized cDNA libraries for multiple PCR    amplifications    A reusable solid phase cDNA library can be made directly on the bead surface  The  first strand cDNA  using the bead bound oligo  dT  as primer  is covalently linked to  the Dynabeads    Jakobsen  et al   1994  Raineri  et al   1991  Raineri  et al  1992  Sharma   et al   1993  Fellman  et al   1996  and Karrer  et al   1995   and can be reused for multiple  PCR amplifications of specific transcripts     The different transcripts are amplified
40. n  page 11    If isolating mRNA from total RNA  remove  inhibitors by repeating washing steps  starting with step 5     Re bind the mRNA  to the Dynabeads       on page 21  for   gt 1 50 pg total RNA samples  or step 5      Re bind the mRNA to the Dynabeads        on page 25  for 100 ng 1 ug total RNA  samples         Dynabeads   mRNA DIRECT    Micro Kit User Guide    27    Downstream Applications       Solid phase cDNA synthesis and one tube reverse transcription PCR          28  Construction of immobilized cDNA libraries for multiple PCR amplifications   29  PCR amplification from a reusable solid phase cDNA library                 29  RNA Seq whole transcriptome library preparation               0 00 00 eens 29    Solid phase cDNA synthesis and one tube reverse transcription PCR    Enzymatic downstream applications are not inhibited by the presence of Dynabeads    Oligo  dT  5  hence the bead bound mRNA can be used directly for solid phase cDNA  synthesis and reverse transcription PCR  Jakobsen  et al   1994  Lambert  et al   1993   Lee  et al   1992  Raineri  et al   1991  Raineri  et al  1992  and Sharma  et al   1993      The oligo  dT  sequence on the Dynabeads   is used not only to capture the mRNA  but  also as a primer for the subsequent reverse transcriptase synthesis into CDNA  The  resulting first strand cDNA is covalently linked to the surface of the Dynabeads    and  may be used for cDNA amplification  The Dynabeads   solid phase technology is  compatible with 
41. n general safety practices for laboratories and the safety  information provided in this document      Before using an instrument or device  read and understand the safety  information provided in the user documentation provided by the  manufacturer of the instrument or device      Before handling chemicals  read and understand all applicable Safety Data  Sheets  SDSs  and use appropriate personal protective equipment  gloves   gowns  eye protection  etc   To obtain SDSs  see the    Documentation and  Support    section in this document     Dynabeads   mRNA DIRECT    Micro Kit User Guide 33    Appendix D Safety  Chemical safety    Chemical safety       WARNING  GENERAL CHEMICAL HANDLING  To minimize hazards   ensure laboratory personnel read and practice the general safety guidelines for  chemical usage  storage  and waste provided below  and consult the relevant  SDS for specific precautions and instructions     Read and understand the Safety Data Sheets  SDSs  provided by the  chemical manufacturer before you store  handle  or work with any chemicals  or hazardous materials  To obtain SDSs  see the    Documentation and  Support    section in this document    Minimize contact with chemicals  Wear appropriate personal protective  equipment when handling chemicals  for example  safety glasses  gloves  or  protective clothing     Minimize the inhalation of chemicals  Do not leave chemical containers  open  Use only with adequate ventilation  for example  fume hood     Check reg
42. nal antibody BerEP4 against  the human epithelial antigen  HEA   enriches epithelial tumor cells from blood or  MNC  5 mL anticoagulated whole blood samples or mononuclear cells  MNC  at a  concentration of 1 2 x 107 cells mL are mixed with the Dynabeads   Epithelial Enrich   The cells are isolated and purified by using a magnet  and the cells can be directly  lysed while still on the beads  Isolate mRNA as described in the following procedure   The isolated mRNA can also be used in PCR for other genes     e Follow the instructions in    Prepare reagents and samples    on page 9     e Read    Guidelines for best results    on page 26   Note  We recommend that you prepare the reverse transcription PCR mix before  starting the mRNA isolation protocol    1  Follow the protocol for positive isolation of tumor cells from whole blood or    MNC using Dynabeads   Epithelial Enrich     2  After adding the final washing solution  transfer the bead suspension to a  microcentrifuge tube  Keep the Dynabeads   cell complex on ice for immediate  mRNA isolation and PCR     3  Immediately before use  place the sample tube on the magnet for 2 3 minutes and  remove supernatant     4  Lyse the cells by resuspending the Dynabeads   cell complex in 100 uL Lysis   Binding Buffer     5  Pipet up and down 2 3 times to mix     1  Place the sample tube with the lysed cells on the magnet for 2 minutes     2  Transfer the supernatant  clear lysate containing released mRNA  to a  microcentrifuge tube cont
43. pplications of any kind  including  without limitation  quality control and  commercial services such as reporting the results of purchaser s activities for a fee or other form of consideration  For information on obtaining additional  rights  please contact outlicensingfalifetech com or Out Licensing  Life Technologies  5791 Van Allen Way  Carlsbad  California 92008     Manufactured by Life Technologies AS  Norway  Life Technologies AS complies with the Quality System Standards ISO 9001 2008 and ISO 13485 2003   TRADEMARKS    The trademarks mentioned herein are the property of Life Technologies Corporation or their respective owners  Agilent is a registered trademark and  Bioanalyzer is a trademark of Agilent Technologies  Inc  Adobe and Adobe Reader are registered trademarks of Adobe Systems  Inc        2012 Life Technologies Corporation  All rights reserved     Contents    M CHAPTER 1 Product Information                 00c eee cece eee 5  Purpose of products    cena  sic ghee aeek t een Laue edie eagles RE dase  5  Product performance ni reketo dese wages debe bet e be Soe ead ave ea a Ta Ride eee 6  Contents   and storage  2 tesa stared bint E ey bee ee eh eee eee cd bets  6  Storage and stability         0 0    cece eee t teenies 7       CHAPTER 2 Direct mRNA Isolation from Microscale Samples    from Cells or Tissuessc inu care eweeie nc une tas wa tenum ante 8  WOPK TOW   3 suo feces 3h a cates 3 Ai ce rg A Ae cena Ae na tN oa ale is Pon ade ce 2 Adee se cand at alg Be
44. roscale Samples from  Cells or Tissues       m WOT TOW e abide tacit ee Soe ET E ottah asec tong ile arent eds pene O E 8  m Materials and equipment required but not provided                    00005 9  m Prepare reagents and samples            0066  e ccc 9  E mRNA isolation from cultured cells and cell suspensions                 5   10  E mRNA isolation from tissues         0    eens 12  E mRNA isolation from tumor cells        0    cee 14    Workflow    Prepare reagents and samples         Prepare lysate         Isolate mRNA for PCR amplification  Prepare RNA for binding       Bind mRNA to the Dynabeads          Wash the mRNA         Resuspend mRNA and store on ice for downstream  applications         Place mRNA on magnet and remove supernatant    8 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 2 Direct mRNA Isolation from Microscale Samples from Cells or Tissues 2  Materials and equipment required but not provided    Materials and equipment required but not provided    All reagents used should be analytical grade and RNase free                                      Item Source Cat no   DynaMag    2 Magnet or other appropriate magnet Life Technologies   12321D  See www lifetechnologies com magnets for magnet  recommendations   Pipettors and sterile  RNAse free pipette tips Major laboratory       suppliers  MLS    Sterile  RNase free microcentrifuge tubes MLS      HulaMixer    Sample Mixer Life Technologies   15920D  When working with tissue samples  the follow
45. s 35  Documentation and Support               cece eee ee ees 36  Related documentation       2 2c004 tuenda enced wend Abe PES ee ee des ee cena eee 36  ObtalnINnG  SDSShfa sor ora tid E A ied 5 clan Paes of td aah tak ES ca bec  ned Bel sta od ike 36  Obtaining Certificates of Analysis                 0000 c ccc eee aee 36  Obtaining Support  csie oe Sasies vad decline gene ee ee baa eae dees Le pete tele 37  Limited Product Warranty             2 20 0c eee eee eee eee e nents 37  Bibliography ceesre nimni emt heen teens eee eee beams 38    Dynabeads   mRNA DIRECT    Micro Kit User Guide    Product Information          IMPORTANT  Before using this product  read and understand the information in  Appendix D     Safety    on page 33        Purpose of product    The Dynabeads   mRNA DIRECT    Micro Kit is designed for simple and rapid  isolation of pure  intact polyadenylated  poly A   mRNA  The kit isolates highly  purified and intact mRNA directly from microscale samples from cells or tissues and  from purified total RNA samples     The kit contains Dynabeads   Oligo  dT 95  uniform and superparamagnetic beads  with oligo  dT  sequences covalently bound to their surface  The isolation protocol  relies on base pairing between the poly A  residues at the 3    end of most mRNA  and  the oligo  dT  5 residues covalently coupled to the surface of the Dynabeads    Other  RNA species lacking a poly A  tail do not hybridize to the beads and are readily  washed away     When using th
46. should appear homogeneous     24 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 3 mRNA Isolation from Purified Total RNA 3  mRNA isolation from 100 ng 1 ug total RNA samples    d  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     IMPORTANT  Remove as much Washing Buffer B as possible without  disturbing the pellet before you elute the samples     4  Elute the mRNA   a  Remove the plate from Magnetic Stand 96     b  Add 25 uL of the pre heated  80  C  nuclease free water to each well  pipet 10  times to resuspend the beads in the nuclease free water  then let sit 30  seconds at room temperature     5  Re bind the mRNA to the Dynabeads     a  Add 25 uL of Lysis Binding Buffer to each well  then pipet up and down 10  times  b  Incubate at room temperature for 5 minutes   The mixture should appear homogeneous     c  Place the plate on the Magnetic Stand 96  After the solution clears  remove  and discard the supernatant without disturbing the pellet     6  Repeat step 3 to wash the RNA     7  Elute the mRNA     a  Remove the plate from the Magnetic Stand 96  then add 10 uL of the warmed   80  C  nuclease free water to each well     b  Place the plate on the Magnetic Stand 96  After the solution clears  transfer  the supernatant containing the mRNA to a new tube without disturbing the  pellet     Store the isolated mRNA on ice for immediate use  or store for up to two weeks at   80 
47. sition     Resuspend the beads in the buffer they are  supplied in by placing the vial on a roller or  equivalent overnight  2  C to 8  C   This  treatment will restore their complete  functionality        Lysate is noticeably  VISCOUS    Released DNA  or  DNA contamination    Note  Direct mRNA isolation methods have  a potential risk of DNA contamination  The  Dynabeads   mRNA DIRECT    Micro Kit  protocol used only small amounts of cells  and tissue and consequently this potential  problem is minimized     If high viscosity is observed  it is important to  reduce viscosity by either     Diluting the sample   or    Including a DNA shear step in your  protocol after the addition of Lysis   Binding Buffer  Use force to shear the  DNA properly by passage through a  syringe  Repeated shearing causes  foaming of the lysate due to a detergent in  the buffer  however  this should not affect  the mRNA yield  If foam is observed   centrifuge the sample for 30 seconds to  reduce the foam        No signal observed after  RT PCR    RNA is degraded by contaminating RNases    Use RNase free pipette tips with aerosol  barriers     Change gloves frequently   Clean pipettors with RNaseZap   solution           Inhibitors are present in the mRNA sample       If performing direct isolation of mRNA  from cells or tissues  repeat washing  steps from step 5     Remove the sample  tube from the magnet and resuspend the  Dynabeads   mRNA complex in 100 uL  Washing Buffer A by careful pipetting     o
48. ubit RNA Assay Kit with the Qubit Fluorometer     2  Assess the quality of the mRNA     a  Run 1uL of the sample on an Agilent   2100 Bioanalyzer     instrument with the Agilent   RNA 6000 Nano Kit  Follow the  manufacturer s instructions for performing the assay    b  Using the 2100 expert software  review the percent of 18s and 28s  present in the sample     Note  For instructions on how to review the size distribution  refer  to the Agilent   2100 Bioanalyzer    Expert User s Guide        1 8 ug       Run 1 uL of the collected sample on an Agilent   2100 Bioanalyzer     instrument using the Agilent   RNA 6000 Pico Kit  Follow the  manufacturer s instructions to perform the assay  Do not further  quantitate your sample     Note  For instructions on how to review the size distribution  refer to  the Agilent   2100 Bioanalyzer    Expert User s Guide        Dynabeads   mRNA DIRECT    Micro Kit User Guide    Chapter 3 mRNA Isolation from Purified Total RNA 3  mRNA isolation from 100 ng 1 ug total RNA samples    mRNA isolation from 100 ng 1 pg total RNA samples    Before you begin      Read    Guidelines for best results    on page 26     If preparing RNA Seq whole transcriptome libraries from the mRNA  prepare the  Ion Total RNA Seq Kit v2 reagents as directed in the Ion Total RNA Seq Kit v2 User  Guide  Pub  no  4476286  before beginning this mRNA isolation protocol     Bring all the Dynabeads   mRNA DIRECT    Micro Kit reagents to room  temperature  except the 10 mM Tris HCl 
49. ularly for chemical leaks or spills  If a leak or spill occurs  follow  the manufacturer s cleanup procedures as recommended in the SDS   Handle chemical wastes in a fume hood    Ensure use of primary and secondary waste containers   A primary waste  container holds the immediate waste  A secondary container contains spills  or leaks from the primary container  Both containers must be compatible  with the waste material and meet federal  state  and local requirements for  container storage     After emptying a waste container  seal it with the cap provided   Characterize  by analysis if necessary  the waste generated by the particular  applications  reagents  and substrates used in your laboratory    Ensure that the waste is stored  transferred  transported  and disposed of  according to all local  state provincial  and or national regulations   IMPORTANT  Radioactive or biohazardous materials may require special  handling  and disposal limitations may apply                    Specific chemical  p   CAS Chemical Phrase  handling  26628 22 8   Sodium Azide Sodium azide may react with lead and copper  plumbing to form highly explosive metal azides   34 Dynabeads   mRNA DIRECT    Micro Kit User Guide    Appendix D Safety  Biological hazard safety    Biological hazard safety       A WARNING  BIOHAZARD  Biological samples such as tissues  body fluids    infectious agents  and blood of humans and other animals have the potential to  transmit infectious diseases  Follow all applicab
    
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