10/01/10
- ✓ ChIP/ Co-IP: IP for KAH126-1, 132-8, and 130-4 chromatin (for Western)
- ✓ RT-PCR: Pc-ATF biological rep's, redo p16 (2x)
- ✓ Cell culture: expand HEK Gal4-EED to two 75 cm2 flasks (2 μg/mL puro)
RT-PCR
> Pc-ATF biological replicates (30 total)
--> Templates (6/15, 6/18, 6/23/10)
- KAH126-1 -dox
- KAH126-1 +dox
- KAH126-3 -dox
- KAH126-3 +dox
- KAH132-8 -dox
- KAH132-8 +dox
- KAH154-2 -dox
- KAH154-2 +dox
- FTRx -dox
- FTRx +dox
--> Primers
- p16INK 7C (94 bp), (1.0 μL 1:1 cDNA) (30 rxns)
Reagent |
1 rxn
|
cDNA |
1.0
|
10 μM primers |
1.0
|
2x GoTaq Green |
10.0
|
dH2O |
8.0
|
|
20.0 μL
|
--> PCR (96-well)
- 95°C/ 3 min.
- [95°C/ 30 sec., 57°C/ 30 sec., 72°C/ 30 sec.] x32
- 72°C/ 3 min.
- 4°C/ ∞
RT-PCR 10/01/10
> Conclusions:
ChIP: myc-bead pull-down
> See 9/15/10
> Sonicated ~6 mL samples prepped according to Qingqing's protocol
--> Added:
- 720 μL 10% Triton X-100
- 72 μL 10% Na-deoxycholate (DOC)
- 500 μL TE (pH 8.0)
- 6 μL 1000x PLAAC
- 60 μL 100x PMSF
> Binding (3 each):
- KAH130-4: 400 μL chromatin + 10 μL mouse α-myc-bead (#3400) slurry
- KAH130-4: 400 μL chromatin + 10 μL mouse α-IgG-bead (#3420) slurry
- KAH132-8: 400 μL chromatin + 10 μL mouse α-myc-bead (#3400) slurry
- KAH132-8: 400 μL chromatin + 10 μL mouse α-IgG-bead (#3420) slurry
- KAH126-1: 400 μL chromatin + 10 μL mouse α-myc-bead (#3400) slurry
- KAH126-1: 400 μL chromatin + 10 μL mouse α-IgG-bead (#3420) slurry
--> Rotate at 4°C >overnight
10/03/10
> Wash & elute IP's (Keep everything on ice)
--> Prepare washing buffer (complete sonication buffer):
- 6 mL Buffer III
- 60 μL 100x PMSF
- 6 μL 1000x PLAAC
- 720 μL 10% Triton X-100
- 72 μL 10% Na-deoxycholate (DOC)
- 500 μL TE (pH 8.0)
--> Spin down beads at 3000 rpm/ 3 min./ 4°C
--> Save 100 μL Supernatant. Discard remaining sup.
--> Wash beads in 400 μL wash buffer (1 min.). Spin down beads at 3000 rpm/ 3 min./ 4°C. Discard sup. Repeat three more times (4 washes total)
--> Add 60 μL 1x loading dye (50 uL 4x l.d. + 150 RIPA, ~50 mM DTT) to each pellet. Heat at 100°C/ 5 min., vortex.
--> Clear supernatant by spinning at 4000 rpm/ 2 min/ RT. Transfer sup to new tube (save at -20°C for Western later).
> α-myc bead control for Western:
--> Add 400 μL wash buffer to 10 μL α-myc beads. Spin down beads at 3000 rpm/ 3 min./ 4°C. Discard sup.
--> Add 30 μL 1x loading dye (250 uL 4x l.d. + 750 dH2O, + ~50 mM DTT) to each pellet. Heat at 100°C/ 5 min., vortex.
--> Clear supernatant by spinning at 4000 rpm/ 2 min/ RT. Transfer sup to new tube (save at -20°C for Western later).
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