User:Karmella Haynes/Notebook/PcTF Genomics/2014/01/27

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01/27/14

  • qRT-PCR experiment - PlateK562_1/ U2OS
  • U2OS RT-PCR - RNA extraction & cDNA synthesis



RNA Extraction

  • Use RNeasy Mini Kit

Samples (TRIzol-lysed U2OS samples from -80°C freezer)

  1. Tube 1-A (+PcTF)
  2. Tube 1-A (+PcTF)
  3. Tube 4-A (mock)
  4. Tube 4-A (mock)

Procedure notes (based on Carly's notes from 1/10/13)

  • Open up pink, sealed spin-columns
  • Thaw TRIzol-lysed cells at room temp
  • Under fume hood: Add 100 μL chloroform to each sample
  • Shake vigorously (by inverting tubes) for 20 sec. Let sit at room temp. for 2 min.
  • Centrifuge in cold room for 15 min @ 12,000G
  • Pipet off clear phase from organic phase (pink) into new tube (AVOID THE PINK PHASE)
  • Check volume of clear phase (in new tubes). Add same volume of 70% ethanol, RNase-free.
  • Transfer to collection tube (we have K562 1, K562 2, SK-N-SH 1, and SK-N-SH 2)
  • Spin tubes at top speed for 30 sec
  • Discard collected liquid and add 700μL of RW1 Buffer
  • Spin tubes at top speed for 30 sec
  • Put collection vial in a fresh collector tube and discard of the old one
  • Add 500μL of RBE Buffer
  • Spin tubes at top speed for 30 sec then discard of the liquid waste
  • Repeat the above two steps again
  • Discard of the waste and spin again
  • Transfer liquid to a fresh tube and add 30mL of RNase-Free H20
  • Let tubes sit for 1 min
  • Spin tubes for 1 min
  • Store at -80°C



cDNA Synthesis

  • Use Superscript III kit (freezer)

Procedure notes

  • Kit components kept on ice: RNase H, SS III RT, and RNase out
  • Kit components thawed at Room temp: Oligo nT, RT Buffer, MgCl2, dNTP mix, water, DTT

qRT-PCR - Plate K562_1/ U2OS


  Template Gene Target
Rxn 1: treated cells KIT, primers 13/14
Rxn 2: treated cells TNFRSF11A, primers 15/16
Rxn 3: treated cells EGFR, primers 17/18
Rxn 4: treated cells WT1, primers 19/20
Rxn 5: treated cells HLF, primer 21/22
Rxn 6: treated cells BCL6, primer 23/24
Rxn 7: treated cells mCh
Rxn 8: treated cells ref. gene, GAPD
Rxn 9: untreated cells KIT, primers 13/14
Rxn 10: untreated cells TNFRSF11A, primers 15/16
Rxn 11: untreated cells EGFR, primers 17/18
Rxn 12: untreated cells WT1, primers 19/20
Rxn 13: untreated cells HLF, primer 21/22
Rxn 14: untreated cells BCL6, primer 23/24
Rxn 15: untreated cells mCh
Rxn 16: untreated cells ref. gene, GAPD
Rxn 17: no template KIT, primers 13/14
Rxn 18: no template TNFRSF11A, primers 15/16
Rxn 19: no template EGFR, primers 17/18
Rxn 20: no template WT1, primers 19/20
Rxn 21: no template HLF, primer 21/22
Rxn 22: no template BCL6, primer 23/24
Rxn 23: no template mCh
Rxn 24: no template ref. gene, GAPD


Primer/Probe Master Mixes (8 total)

Reagent (Single well) Gene Target 1 - 7 (x10) Gene Target GAPD (x10)
2x LC480 Probes Master (7.5 μL) 75 75
20 μM Forward primer (0.3 μL) 3 3.0 GAPD primers*
20 μM Reverse primer (0.3 μL) 3 ---
10 μM UPL probe (0.3 μL) 3 3.0 GAPD UPL probe*
PCR H2O (0.1 μL) 1 4
Total vol. (8.5 μL) 85 85


Template Master Mixes

  • Use 1:10 dilution of cDNA for targets
  • Use 1:100 dilution of cDNA for GAPD
Reagent (Single well) treated cDNA Template (x25) untreated cDNA Template (x25) no Template (x25)
diluted cDNA (2.0 μL) 50 50 ---
PCR H2O (4.5 μL) 112.5 112.5 162.5
Total vol. (6.5 μL) 162.5 162.5 162.5


96-well plate

  • First of each triplicate well, add 25.5 Primer/Probe MM + 19.5 Template MM
  • Transfer 15 μL from well 1 to wells 2 and 3 for each set