Lab Notebook Knockout
06.05.2017
Retransformation of lenti-CAS9-puro plasmid
A heatshock transformation of XL10 gold was performed with the lenti-CAS9-puro plasmid.
07.05.2017
Producing overnight cultures
Two colonies were observed.
5 ml LB-Medium containing the appropriate antibiotic was inoculated and incubated overnight at 37°C, 180rpm.
Test digest of lenti-CAS9-puro
0.66 μg DNA ( 3ul ~ 220ng/μl)
0.25 μl NcoI-HF
1 μl CutSmart 10x buffer
5.75μl H20
Digestion at 37°C for 1 h.
→ Gel did not show separation of bands. Predicted fragments: ~6,100bp; 7,400bp
08.05.2017
Miniprep of lenti-CAS9-puro
Plasmid was extracted using the provided protocol (Quiagen Kit).
DNA was eluated in 30μl H2O.
09.05.2017
Test digest of lenti-CAS9-puro
2 μl Plasmid
0.25 μl NcoI-HF
1 μl CutSmart 10x buffer
6.75 μl H20
Digest was performed with lenti-CAS9-puro plasmids obtained from Minipreps and from the origial stock.
Digestion at 37°C for 1h.
Gel: 1.15h at 180V. Expected bands could be observed in all samples.
10.5.2017
Test digestion of Cathomen Cas9 plasmid
11.05.2017
Retransformation of knockdown plasmids
A heatshock transformation of XL10 gold was performed with the following plasmids: SDEN, SBEN, EDEN.
Plasmids were provided by AG Schamel.
12.05.2017
Producing overnight cultures of SDEN, SBEN, EDEN
5 ml LB-Medium containing the appropriate antibiotic was inoculated and incubated overnight at 37°C and 30°C; 180rpm.
13.05.2017
Retransformation of CAS9-GFP plasmid
A heatshock transformation of XL10 gold was performed with the CAS9-GFP plasmid.
Miniprep of SDEN, SBEN, EDEN
Plasmid was extracted using the provided protocol (Quiagen Kit).
Temp. | Prep 1 | Prep 2 | Prep 3 |
---|---|---|---|
30°C | 17,5 ng/μl | 24,0ng/μl | 34,0ng/μl |
37°C | 53,1ng/μl | 18,4g/μl | 11,0ng/μl |
14.05.2017
Producing overnight cultures CAS9-GFP
5 ml LB-Medium containing the appropriate antibiotic was inoculated and incubated overnight at 37°C; 180rpm.
15.05.2017
Miniprep of CAS9-GFP
Plasmid was extracted using the provided protocol (Quiagen Kit).
Prep 1: 404.4 ng/μl
Prep 2: 495.5 ng/μl
Testdigest of CAS9-GFP
origial stock | Prep 1 | Prep 2 | |
---|---|---|---|
DNA | 0.25 μl | 1 μl | 1 μl |
NcoI-HF | 0.25 μl | 0.25 μl | 0.25 μl |
CutSmart 10x | 1 μl | 1 μl | 1 μl |
H2O | 7.75 μl | 6.75 μl | 6.75 μl |
Digestion at 37°C for 1h.
Expected fragments: ~500bp; 8,500bp.
Expected fragments were observed in all samples.
18.05.2017
PCR for HIF1A exons
2 μl DNA
1.25 μl Primer Fwd
1.25 μl Primer Rev
12.5 μl KAPA 2x
As template gDNA from JK, HUT and HPB All cells was used.
PCR program:
3 min. 95°C
15 sec. 95°C
15 sec. 54°C
20 sec. 72°C
10 min. 72°C
The expected bands were cut out of the gel and purified the next day; gel was stored at 4°C overnight.
19.05.2017
Gel extraction
Gel extraction was performed following the manufacturer's protocol (Quiagen Gel extraction kit).
Cell line | Exon 5 | Exon 6 | Exon 8 | Exon 10 |
---|---|---|---|---|
JK | 16.6 ng/μl | 33.5 ng/μl | 31.5 ng/μl | 20.6 ng/μl |
HPB | 23.1 ng/μl | 34.6 ng/μl | 26.0 ng/μl | 12.2 ng/μl |
HUT | 14.1 ng/μl | 15.9 ng/μl | 25.2 ng/μl | 18.6 ng/μl |
Retransformation of KO-Kit plasmids
A heatshock transformation of XL10 gold was performed with the plasmids 101,104,203.
20.05.2017
Miniprep and Midiprep of several plasmids
Plasmid was extracted using the provided protocol (Quiagen Miniprep Kit).
The following plasmids were extracted: 203,104,101.
Plasmid was extracted using the provided protocol (JetStar Midiprep Kit).
The following plasmids were extracted: SDEN, SBEN, EDEN, lenti-CAS9-puro.
23.05.2017
Digestion of CAS9-GFP by BbsI
DNA from stock 2.
10 μl DNA [0.5ng/μl]
0.5 μl BbsI
2 μl 10x NEB2 buffer
5 μl H2O
Annealing of sgRNA oligos
5 μl 100mM of each Fwd and Rev ssOligos
10 μl 10x NEB2.1 buffer
80μl H2O
2 min. at 95°C cooling down in heatblock for 2h.
Testdigest of KO-Kit plasmids
Digest with EcoRV.
1.5 μl 10x Buffer
2 μl DNA
1 μl EcoRV
10,5 μl H2O
(Gelpicture-number:299)
Midiprep of SBEN, lenti-CAS9-puro
Plasmid was extracted using the provided protocol (JetStar Midiprep Kit).
The following plasmids were extracted: SBEN, lenti-CAS9-puro.
25.05.17
Testdigest of KO-KIT (101,104,203) with EcoRV
Volume | Component |
---|---|
1,5μl | Buffer |
2μl | DNA |
1μl | EcoRV |
10,5μl | H2O |
Digest at 37°C for 1h.
Gel: undigested 203_2, 203_2, 203_1, 101_2, 101_1, 104_2, 104_1, ladder
Img: 300-303
Ligation of sgRNAs 1;3 into CAS9 GFP
No colonies from 24.05.17
Transformation with heatshock protocol of 10μl of remaining ligation from 24.05.17
26.05.17
Sitedirected mutagenesis (SDM) Q5 PCR with sgRNA overhang primers.
Test with sgRNA 1;20
Volume | Component | |
---|---|---|
12.5μl | Q5 2x Mastermix | |
1.25μl | 10μM Fwd Primer | |
1.25μl | 10μM Rev Primer | |
1μl | 40 ng/μl CAS9-GFP | |
9μl | H2O | |
Temp.[°C] | Time | Cycles |
98 | 30 sec. | |
98 | 10 sec. | |
54/61 | 45 sec. | |
72 | 4.5 min. | |
98 | 10 sec. | 24 |
64/70 | 30 sec. | 24 |
72 | 3 min. | 24 |
4 | 2 min. |
- Agarose Gel showed bands at wrong size (4kb)
- Gelextraction
- not further used
Ligation of sgRNA in CAS9-GFP
- Few colonies observed
- Plates thrown out because nonsense
27.05.17
Test of Midi Prep Kit
use of different Kits & performed at 2 Labs
similar concentrations observed
28.05.17
SDM PCR sgRNA1 CAS9GFP gradient
Volume | Component |
---|---|
12.5μl | Q5 2x Mastermix |
1.25μl | 10μM Fwd Primer |
1.25μl | 10μM Rev Primer |
1μl | 40 ng/μl CAS9-GFP |
9μl | H2O |
Program, gradient PCR:
Temp.[°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | |
61/62/63/64 | 45 sec. | |
72 | 4.5 min. | |
98 | 10 sec. | 24 |
70/71/72/73 | 6.5 min. | 24 |
4 | 2 min. |
- Agarose gel: loading low temp → high temp
- 8kb band observed (expected 9kb)
29.05.17
SDM PCR for all sgRNAs CAS9-GFP
Volume | Component |
---|---|
12.5μl | Q5 2x Mastermix |
1.25μl | 10μM Fwd Primer |
1.25μl | 10μM Rev Primer |
1μl | 40 ng/μl CAS9-GFP |
9μl | H2O |
program: sgRNAs 1;5;20
Temp.[°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | |
63 | 45 sec. | |
72 | 4.5 min. | |
98 | 10 sec. | 24 |
72 | 6.5 min. | 24 |
4 | 2 min. |
program: sgRNAs 3;4;9
Temp.[°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | |
59 | 45 sec. | |
72 | 4.5 min. | |
98 | 10 sec. | 24 |
72 | 8 min. | 24 |
4 | 2 min. |
30.05.17
BsmBI digest of lenti-CAS9-puro (AG Cathomen)
20μl ~80ng/μl lenti-CAS9
5μl 10x NEB 3.1 Buffer
0.2μl BsmBI
24μl H2O
@55°C; 1h incubation.
SDM PCR of sgRNA1 vs. ctrl
Image: 315
31.05.17
SDM PCR for sgRNA5;20
Volume | Component |
---|---|
12.5μl | Q5 2x Mastermix |
1.25μl | 10μM Fwd Primer |
1.25μl | 10μM Rev Primer |
1μl | 40 ng/μl CAS9-GFP |
9μl | H2O |
program: sgRNAs 5;20
Temp.[°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | |
59 | 45 sec. | |
72 | 4.5 min. | |
98 | 10 sec. | 24 |
72 | 8 min. | 24 |
4 | 2 min. |
Mix 1: sgRNA 1;5;20 | Mix 2: sgRNA 1;5;20 | Mix 3: sgRNA1 | |||
---|---|---|---|---|---|
volume | component | volume | component | volume | component |
12.5μl | Q5 2x Mastermix | 5μl | Q5 Buffer | 12.5μl | Q5 2x Mastermix |
1.25μl | 10μM Fwd Primer | 0.125μl | 40mM dNTPs | 1.25μl | 10μM Fwd Primer |
1.25μl | 10μM Rev Primer | 1.25μl | 10μM Fwd Primer | 1.25μl | 10μM Rev Primer |
1μl | 40 ng/μl CAS9-GFP | 1μl | 400ng/μl CAS9-GFP | 1μl | 40 ng/μl CAS9-GFP |
0.25μl | Q5 Polymerase | ||||
9μl | H2O | 16,125μl | H2O | 9μl | H2O |
Gelextraction of sgRNA1 in CAS9-GFP
BsmBI digest of lenti-CAS9-puro
volume | component |
---|---|
20μl | ~70ng/μl plasmid |
2.5μl | 10x NEB 3.1 |
0.2μl | BsmBI |
12.3μl | H2O |
01.06.17
CAS9-GFP-sgRNA1 T4 ligation & DpnI digest
volume | component |
---|---|
4μl | Gel extract |
1μl | T4 ligase |
2μl | 10x T4 Buffer |
13μl | H2O |
volume | component |
---|---|
2μl | Ligation |
1μl | Cutsmart 10x Buffer |
1μl | DpnI |
6μl | H2O |
Transformation of XL10gold with heatshock protocol
- Ligated digest of CAS9-GFP-sgRNA1
- pipette tip of CAS9-GFP stock
Maxi Prep Kit of KO-KIT plasmids
Zymo Maxi Prep Kit Zentrifugationsprotocol
200ml LB-Amp overnight culture
- scramble plasmid: 144.3 ng/μl (400μl)
- plasmid 203: 134.9 ng/μl (400μl)
- plasmid 104: 115.0 ng/μl (400μl)
02.06.17
SMD PCR CAS9-GFP sgRNA 1;5;20;ctrl
protocol as previously; control with primers for sgRNA20
BsmBI digest of lenti-CAS9-puro
volume | component |
---|---|
20μl | ~70ng/μl plasmid |
2.5μl | 10x NEB 3.1 |
0.2μl | BsmBI |
12.3μl | H2O |
samples taken at 2; 2.5; 3 hours
SDM PCR CAS9-GFP-sgRNA5
labbook weird O.o
Inoculation of 5ml culture LB-Amp with XL10gold
- 5 colonies sgRNA1
- 2 CAS9-GFP empty
03.06.17
BsmBI digest of lenti-CAS9-puro
volume | component |
---|---|
20μl | ~70ng/μl plasmid |
2.5μl | 10x NEB 3.1 |
0.5μl | BsmBI |
7μl | H2O |
digest @ 55°C for 2h
10μl [50 ng/μl] plasmid loaded as control
Image: 333/334
Midi Prep
- CAS9-GFP empty
- CAS9-GFP sgRNA1
Production of glycerol stocks 1x CAS9-GFP; 5x CAS9-GFP-sgRNA1
SDM PCR of CAS9-GFP sgRNA5
Protocol same as 26.05.17
Dilution series of plasmid stock: 200ng/μl; 100ng/μl; 50ng/μl; 25ng/μl; 12.5ng/μl; 6.25ng/μl
New 1:10 dilution of primer stock was made
04.06.17
PCR eGFP-fragment for SGEN plasmid
volume | component |
---|---|
10μl | 5x Q5 Buffer |
1μl | 10mM dNTPs |
2.5μl | 10mM FW primer (olG17_111) |
2.5μl | 10mM RW primer (olG17_110) |
0.2μl | Template (plG_9) |
0.5μl | Q5 Polymerase |
33.3μl | H2O |
Temp. [°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | 33 |
67 | 30 sec. | 33 |
72 | 20 sec. | 33 |
72 | 2 min. |
PCR SDEN short fragment for SGEN plasmid
volume | component |
---|---|
10μl | 5x Q5 Buffer |
1μl | 10mM dNTPs |
2.5μl | 10mM FW primer (olG17_109) |
2.5μl | 10mM RW primer (olG17_108) |
0.2μl | Template (1754 base fragment of SGEN) |
0.5μl | Q5 Polymerase |
33.3μl | H2O |
Temp. [°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | 33 |
67 | 30 sec. | 33 |
72 | 20 sec. | 33 |
72 | 2 min. |
SDEN BamHI digest
volume | component |
---|---|
2μl | Plasmid (SDEN) |
3μl | Cut Smart 10x Buffer |
1μl | BamHI |
24μl | H2O |
Digest at 37°C for 1 hour. Expected fragment lenght: 4768 bp, 2386 bp.
Gel extraction of GFP-fragment. Obtained concentration: 7,8 ng/μl.
CAS9-GFP-sgRNA 5 Ligation
Mix 1: 200ng/μl template (12kb fragment) | Mix 2: 200ng/μl template (10kb fragment) | Mix 3: 50ng/μl template (10kb fragment) | |||
---|---|---|---|---|---|
volume | component | volume | component | volume | component |
8μl | purified PCR product | 8μl | purified PCR product | 8μl | purified PCR product |
2μl | T4 ligase 10x buffer | 2μl | T4 ligase 10x buffer | 2μl | T4 ligase 10x buffer |
1μl | T4 ligase | 1μl | T4 ligase | 1μl | T4 ligase |
9μl | H2O | 9μl | H2O | 9μl | H2O |
Plasmids were ligated for 2 hours at 16°C.
Ligated plasmid was digested with DpnI for 1 hour at 37°C.
volume | component |
---|---|
4μl | Ligated plasmid |
1μl | Cut Smart 10x buffer |
1μl | DpnI |
4μl | H2O |
Oligocloning sgRNA1/3 in lenti-CAS9-puromycin
volume | component |
---|---|
7μl | 11kb fragment of BsmBI digested lenti-CAS9-puromycin plasmid |
1μl | 50nM dilution of annealed dsOligo (sgRNA1/3) |
1μl | T4 ligase 10x Buffer |
1μl | T4 ligase |
As a control 1μl H2O was used instead of dsOligos.
Transformation of XL10gold via heatshock transformation
- 3 Ligated & digested CAS9-GFP-sgRNA5 plasmid
- sgRNA1/3/control of lenti-CAS9-puromycin plasmid
Heatshock transformation was performed accoarding to the heatshock protocol.
05.06.17
Digest of lenti-CAS9-puromycin
volume | component |
---|---|
15μl | Plasmid [c=70 ng/μl] |
0,5μl | BsmBI |
2,5μl | NEB 3.1 10x buffer |
7μl | H2O |
Digest for 2 hours at 55°C.
Gel: with EtBr.
SDM PCR for CAS9-GFP-shRNA3;4;9
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNA3,4,9) |
1,25μl | RW primer (for sgRNA3,4,9) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
step | temperature (°C) | time |
---|---|---|
1 | 98.0 | 00:30 |
2 | 98.0 | 00:10 |
3 | 57.8 | 00:45 |
4 | 70.8 | 06:30 |
5 | 98.0 | 00:10 |
6 | 70.8 | 07:00 |
7 | 72.0 | 10:00 |
8 | 72.0 | pause |
Steps 2 to 4 were repeated 1x and steps 5 to 6 were repeated 24x
06.06.17
Miniprep of overnight lenti-CAS9-sgRNA3
Miniprep was performed accoarding to the manufactors protocol.
SDM PCR for sgRNA3,4,9
volume | component |
---|---|
1μl | CAS9-GFP plasmid |
0,5μl | FW primer (for sgRNA3,4,9) |
0,5μl | RW primer (olG_118) |
2,5μl | 10x Taq buffer |
0,5μl | dNTPs |
1μl | Taq (peqlab) |
19,875μl | H2O |
Annealing at 54°C, Elongation 72°C for 40sec., 30 cycles.
07.06.17
Gelelectrophoresis of PCRs
SDM all failed.
Colony PCR positive for
- sgRNA5 in CAS9-GFP
- sgRNA in lenti-CAS9-puromycin
SDM PCR for CAS9-GFP-shRNA3,4,9
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNA3,4,9) |
1,25μl | RW primer (for sgRNA3,4,9) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
Gel: 363,364
Loading: sgRNA9, sgRNA4, sgRNA3
08.06.17
Colonie PCR for sgRNA 1,3,5
volume | component |
---|---|
1μl | Purified plasmid |
0,5μl | FW primer (for sgRNA1,3,5) |
0,5μl | RW primer (olG_118) |
2,5μl | 10x Taq buffer |
0,5μl | dNTPs |
0,125μl | Taq (peqlab) |
19,875μl | H2O |
Picture: 373
09.06.17
Digest of lenti-CAS9-puromycin with BsmBI
volume | component |
---|---|
15μl | lenti-CAS9-puromycin [c=70ng/μl] |
0,5μl | BsmBI |
2,5μl | NEB 3.1 10x Buffer |
7μl | H2O |
Digest for 2 hours at 55°C.
10.06.17
SDM PCR for CAS9-GFP-sgRNA3,4,9
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNA3,4,9) |
1,25μl | RW primer (for sgRNA3,4,9) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
Ligation of sgRNA 4,5,9,20 into lenti-CAS9-puromycin plasmid
volume | component |
---|---|
7μl | 11kb fragment of BsmBI digested lenti-CAS9-puromycin plasmid |
1μl | 50nM dilution of annealed dsOligo (sgRNA4/5/9/20) |
1μl | T4 ligase 10x Buffer |
1μl | T4 ligase |
As a control 1μl H2O was used instead of dsOligos.
Heatshock transformation of XL10gold
Heatshock transformation was performed accoarding to the heatshock protocol.
Digest of lenti-CAS9-puromycin with BsmBI
volume | component |
---|---|
15μl | lenti-CAS9-puromycin [c=70ng/μl] |
0,5μl | BsmBI |
2,5μl | NEB 3.1 10x Buffer |
7μl | H2O |
Digest for 2 hours at 55°C.
Agarose gel for CAS9-GFP-sgRNA3,4,9
Pic:
11.06.17
Minipreps of CAS9-GFP-sgRNA1, CAS9-GFP, lenti-CAS9-puromycin
Minipreps were performed accoarding to the manufacturer's protocol.
SDM PCR for CAS9-GFP-sgRNA3,4,9
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNA3,4,9) |
1,25μl | RW primer (for sgRNA3,4,9) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
12.06.17
Minipreps of lenti-CAS9-puro-sgRNA4,5,9,20
Minipreps were performed accoarding to the manufacturer's protocol.
Gelextraction of CAS9-GFP-sgRNA3,4,9
Gelextraction was performed accoarding to the manufacturer's protocol.
13.06.17
CAS9-GFP-sgRNA 5 Ligation
volume | component |
---|---|
8μl | purified PCR product |
2μl | T4 ligase 10x buffer |
1μl | T4 ligase |
9μl | H2O |
Plasmids were ligated for 2 hours at room temperature.
Ligated plasmid was digested with DpnI for 1 hour at 37°C.
volume | component |
---|---|
4μl | Ligated plasmid |
1μl | Cut Smart 10x buffer |
1μl | DpnI |
4μl | H2O |
10μl ligated and digested plasmid was transformed using the heatshock protocol.
Heatshock transformation of XL10gold with CAS9-GFP-sgRNA3,4,9
Transformation of XL10gold was performed accoarding to the heatshock protocol.
14.06.17
SDM PCR for CAS9-GFP-sgRNA20
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNA20) |
1,25μl | RW primer (olG_118) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
15.06.17
Gelextraction of CAS9-GFP-sgRNA20
Gelextraction was performed accoarding to the manufacturer's protocol.
Gibson-Assambly
volume | component |
---|---|
1,8μl | SDEN backbone |
1,4μl | SDEN fragment |
1,8μl | GFP |
5μl | assembly-mix |
- 15 min. at 55°C
- thaw Dh5α on ice
- add 5μl Gibson-mix
- incubate on ice for 10 min.
- add 900μl LB-media
- incubate for 1 hour at 37°C
- spread on LB-Amp plate
16.06.17
CAS9-GFP-sgRNA20 Ligation
volume | component |
---|---|
8μl | purified PCR product |
2μl | T4 ligase 10x buffer |
1μl | T4 ligase |
9μl | H2O |
Plasmids were ligated for 2 hours at room temperature.
Restriction digest of SDEN-Backbone BamHI
volume | component |
---|---|
5μl | SDEN |
2μl | CutSmart 10x Buffer |
1μl | BamHI |
12μl | H2O |
- Incubate for 2 hours at 37°C
- Incubate for 20 min. at 65°C
- Dephosphorylation:
volume | component |
---|---|
10μl | Antarctic phosphotase buffer |
1μl | Antarctic Phosphotase |
- Incubation for 10 min. at 37°C
- Gel purification (1% agarose, 115V, 30 min.)
Gibson-Assambly
volume | component |
---|---|
1,8μl | SDEN backbone |
1,4μl | SDEN fragment |
1,8μl | GFP |
5μl | assembly-mix |
- 15 min. at 55°C
- thaw Dh5α on ice
- add 5μl Gibson-mix
- incubate on ice for 10 min.
- add 900μl LB-media
- incubate for 1 hour at 37°C
- spread on LB-Amp plate
17.06.17
Colony PCR
- for plasmid CAS9-GFP-sgRNA3/9
- lenti-CAS9-puro-sgRNA1/3
- positive control RNA5_col3
Annealing changed to 58°C
digest of CAS9-GFP-sgRNA20 with DpnI
volume | component |
---|---|
4μl | Ligation |
1μl | Cut Smart 10x buffer |
1μl | DpnI |
4μl | H2O |
Digest for 1 hour at 27°C. 10μl were transformed into XL10gold using the heatshock protocol.
Annealing of sgRNA oligos
volume | component |
---|---|
5μl | 100mM of each Fwd and Rev ssOligos |
10μl | 10x NEB2.1 buffer |
80μl | H2O |
2 min. at 95°C cooling down in heatblock for 2h.
BsmBI digest of lenti-CAS9-puromycin
volume | component |
---|---|
1μl | lenti-CAS9-puromycin |
1,5μl | 10x NEB 3.1 buffer |
0,5μl | BsmBI |
12μl | H2O |
Digest for 2 hours at 55°C.
Miniprep of SGEN-Gibson Colony
Minipreps were performed accoarding to the manufacturer's protocol.
Testdigest with NotI not succesful.
18.06.17
Ligation of sgRNA scramble into lenti-CAS9-puromycin
volume | component |
---|---|
7μl | 11kb fragment of BsmBI digested lenti-CAS9-puromycin plasmid |
1μl | 50nM dilution of annealed dsOligo (sgRNAscramble) |
1μl | T4 ligase 10x Buffer |
1μl | T4 ligase |
10μl were used for heatshock transformation.
Heatshock transformation of XL10gold
Heatshock transformation was performed accoarding to the heatshock protocol.
19.06.17
Miniprep of 7 SGEN-Gibson colonies
Minipreps were performed accoarding to the manufacturer's protocol.
Positive colonies were observed for colony 1,4,5 and 7.
SDM PCR for CAS9-GFP-sgRNAscramble
volume | component |
---|---|
12,5μl | Q5 MasterMix 2x |
1,25μl | FW primer (for sgRNAscramble) |
1,25μl | RW primer (olG_118) |
1μl | CAS9-GFP plasmid |
9μl | H2O |
PCR program: sgRNA insertion 2.
10μl were used for heatshock transformation.
Heatshock transformation of XL10gold
Heatshock transformation was performed accoarding to the heatshock protocol.
20.06.17
Test digest of SGEN-Gibson clolonies
volume | component |
---|---|
x | 80ng DNA |
0,2μl | NotI |
2μl | Cut Smart 10x buffer |
to 20μl | H2O |
Digest for 45 minutes at 45°C.
Heatshock transformation of colonies 1,2,4,5,7.
Heatshock transformation of Dh5α
Heatshock transformation was performed accoarding to the heatshock protocol.
21.06.17
digest of CAS9-GFP-sgRNA4,3,9 with DpnI
volume | component |
---|---|
4μl | Ligation |
1μl | Cut Smart 10x buffer |
1μl | DpnI |
4μl | H2O |
Digest for 1 hour at 37°C.
10μl was used for transformation.
Heatshock transformation of XL10gold
Heatshock transformation was performed accoarding to the heatshock protocol.
21.06.17
Sequencing
Plasmid | Sequencing Primer |
---|---|
SGEN 1 | Seq SBEN 2 |
SGEN 2 | Seq SBEN 2 |
SGEN 3 | Seq SBEN 2 |
SGEN 4 | Seq SBEN 2 |
SGEN 5 | Seq SBEN 2 |
CAS9-GFP-sgRNA20 1 | olG_117 |
CAS9-GFP-sgRNA20 2 | olG_117 |
CAS9-GFP-sgRNA3 1 | olG_117 |
CAS9-GFP-sgRNA9 1 | olG_117 |
lenti-CAS-sgRNA1 | olG_117 |
lenti-CAS-sgRNA3 | olG_117 |
22.06.17
SDM PCR for shRNA Inserts
volume | component |
---|---|
10μl | Template |
10μl | Q5 5x buffer |
1μl | 10μM dNTPs |
2,5μl | FW primer |
2,5μl | RW primer |
0,5μl | Q5 polymerase |
23,5μl | H20 |
Temp.[°C] | Time | Cycles |
---|---|---|
98 | 30 sec. | |
98 | 10 sec. | 33 |
66 | 30 sec. | 33 |
72 | 20 sec. | 33 |
72 | 2 min. | 24 |
24.06.17
overnight culture
Overnight culture was prepared from glycerol stocks. Plasmid 101, 104,203 of Origene KO-Kit.
25.06.17
overnight culture
100ml for Midi prep was prepared for plasmid 101, 104,203 of Origene KO-Kit.
26.06.17
Midi prep
Midi prep for plasmid 101, 104,203 of Origene KO-Kit was performed accoarding to the manufacturer's protocol.
27.06.17
Heatshock transformation
Heatshock transformation of KO-Kit scramble sgRNA was performed accoarding to protocol.
Colony PCR of lenti-CAS9-puro plasmids
volume | component |
---|---|
1 μl | Template |
2 μl | 10x Buffer |
0.4 μl | 10 μM dNTPs |
1 μl | FW primer |
1 μl | RW primer |
0.25 μl | Taq polymerase |
14.35 μl | H20 |
Expected bands: 2,804 bp
Overnight digest of lenti-Cas9
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digest overnight at 55°C.
Picture nr. 468
Colony PCR of Cas9-GFP sgRNA1/4/scramble and lenti-Cas9 sgRNA5
Colony PCR was performed according to protocol.
For Cas9-GFP: forward primer was singlestrand oligo forward as used to produce double strand oligos for cloning, revese primer 118.
For lenti-Cas9: primers 117 and 118.
Annealing at 58°C.
28.06.17
Digest of lenti-Cas9 with BsmBI
volume | component |
---|---|
1 μl | Template |
2 μl | 10x Buffer |
0.4 μl | 10 μM dNTPs |
1 μl | FW primer |
1 μl | RW primer |
0.25 μl | Taq polymerase |
14.35 μl | H20 |
Expected bands: 2,804 bp
Picture no. 465
Overnight digest of lenti-Cas9
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digested for 2h at 55°C.
Gel overnight 2h undigested, picture nr. 468
Miniprep of lenti-Cas9
Miniprep was performed according to the manufacturer's protocol.
PCR of knockdown inserts
Templates (97meres): olG17_112 to olG17_116.
volume | component |
---|---|
10.0 µl | 5x Q5Bfr |
1.0 µl | dNTPs (10mM) |
2.5 µl | 5'mirEXhoIfw (10 µM) |
2.5 µl | 3'mirEEcoRIrv (10 µM) |
2.0 µl | template (0.01 ng/µl) |
0.5 µl | Q5 Pol |
31.5 µl | H2O |
PCR program as described on 22.06.17.
Purification with PCR purification kit according to the manufacturer's protocol (Qiagen), elution in 30 µl H2O.
Digest of lenti-Cas9 with BsmbI
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digested at 55°C for 2 h.
volume | component |
---|---|
25 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
19 µl | H2O |
Digested at 55°C overnight.
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digested at 37°C overnight.
29.06.17
Digest of lenti-Cas9 with BamBI
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digested at 55°C for 2 h.
Miniprep of lenti-CAS9
No. 1 grew at 30°C, No. 2&3 at 37°C.
Miniprep was performed according to manufacturer's protocol.
1 µl of mini was loaded on gel (picture no. 473).
30.06.17
Gel extraction of digested lenti-Cas9
Gel extraction was performed according to manufacturer's protocol.
01.07.17
Dephosphorylation of backbone
Was performed according to manufacturer's protocol (Fast AP).
Ligating sgRNA into lenti-Cas9 backbone
Annealed sgRNA oligos: 1, 3, 4, 5, 9, 20
volume | component |
---|---|
7 µl | backbone (9.3 ng/µl) |
1 µl | annealed sgRNA oligo (50 nM) |
1 µl | 10x T4 buffer |
1µl | T4 |
Transformation of ligation
sgRNAs: 1, 3, 4, 5, 9, 20 & scramble of KO kit
Transformation was performed according to heat shock protocol.
–> Only colonies containing sgRNAscramble were obtained.
02.07.17
Digest of lenti-Cas9 with BSmbI
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digested at 55°C for 2 h.
Ligating shRNA into lenti-Cas9 backbone
sgRNAs: 1, 3, 4, 5, 9, 20
volume | component |
---|---|
7 µl | backbone (9.3 ng/µl) |
1 µl | annealed sgRNA oligo (50 nM) |
1 µl | 10x T4 buffer |
1µl | T4 |
Ligation was performed at 16°C overnight.
03.07.17
Transformation of ligation
sgRNAscramble served as control.
Transformation was performed according to heat shock protocol.
04.07.17
Gel extraction and ligation
volume | component |
---|---|
12 µl | backbone |
1 µl | sgRNA 1 & 9 |
1 µl | 10x T4 buffer |
1µl | T4 |
Ligation was performed 37°C for 2 h.
Digest of lenti-Cas9 with BsmBI
Digest reaction a)
volume | component |
---|---|
2.5 μl | Plasmid (500ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
41.5 µl | H2O |
Digest reaction b)
volume | component |
---|---|
15 μl | Plasmid (100ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
29 µl | H2O |
05.07.17
Colony for miniprep
5µl LB containing bacteria from colonies lenti-Cas9 c1 and c2 were incubated overnight.
Digest of lenti-Cas9 with BsmBI
volume | component |
---|---|
20 μl | Plasmid (30ng/µl - 50 ng/µl) |
1 µl | BsmBI |
5 µl | 3.1 10x buffer |
24 µl | H2O |
07.07.17
Digest of lenti-Cas9 with BsmBI
volume | component |
---|---|
2 μl | Plasmid (250 ng/µl, prepped the day before) |
2 µl | BsmBI |
2.5 µl | 3.1 10x buffer |
18.5 µl | H2O |
Digest was performed at 55°C for 2 h.
DpnI digest of Cas9-GFP ligations
sgRNA1 (PCR on 30.05.17, ligation on 01.06.17)
sgRNA4 (PCR on 10.06.17, ligation on 13.06.17)
sgRNA9 (PCR on 10.06.17, ligation on 13.06.17)
sgRNA20 (PCR on 14.06.17, ligation on 16.06.17)
Digest reaction a) for each sgRNA
volume | component |
---|---|
1 μl | DpnI |
1 µl | CutSmart |
2 µl | ligation |
6 µl | H2O |
Digest reaction b) for each sgRNA
volume | component |
---|---|
1 μl | DpnI |
1 µl | CutSmart |
4 µl | ligation |
4 µl | H2O |
Transformation into XL10gold performed according to heat shock protocol (06.05.17).
Test digest of Cas9-GFP sgRNA1 and sgRNA9
Cas9-GFP sgRNA1 colonies (PCR on 30.05.17)
volume | component |
---|---|
0.5 μl | NdeI |
x µl | Cas0-GFP sgRNA1 plasmid (1µg) |
1 µl | CutSmart bufffer |
8.5-x µl | H2O |
Cas9-GFP sgRNA9 colonies (PCR on 10.06.17)
volume | component |
---|---|
0.25 μl | NcoI |
x µl | Cas0-GFP sgRNA1 plasmid (1µg) |
1 µl | CutSmart bufffer |
8.75-x µl | H2O |
Heatshock transformation of Cas9-GFP plasmids
Transformation of Cas9-GFP sgRNA3 colonies 3/6 and sgRNAscramble colonies 2/4 into XL10gold was performed according to heatshock protocol.
08.07.17
Test digest of sgRNA3 and sgRNA scramble
a | b | c | d | component |
---|---|---|---|---|
1 µl | 1 µl | 2 µl | 2 µl | NdeI |
4 µl | - | 4 µl | - | sgRNA c4 (250 ng/µl) |
- | 8 µl | - | 8 µl | scramble c3 (250 ng/µl) |
1 µl | 1 µl | 1 µl | 1 µl | CutSmart |
4 µl | - | 4 µl | - | H2O |
Digest was performed at 37°C for 2 h.
Colonies picked
Colonies were picked for sgRNA4 and sgRNA1 (5 colonies each) and sgRNA9 (2 colonies). Since no colony grew for sgRNA 20, the plate was incubated a second night. One picked for each re-trafo.
09.07.17
Test digest of 5 colonies sgRNA1 in Cas9-GFP
volume | component |
---|---|
x µl | plasmid (1 µg) |
1 µl | NdeI |
1 µl | CutSmart |
8-x µl | H2O |
Digest was performed at 37°C for 2 h.
sgRNA scramble, colony 3 negative control, colony 4 positive control.
Re-trafos sgRNA3/scramble
From overnight cultures of sgRNA3 and sgRNAscramble re-trafos 2 glycerol stocks, 1 miniprep (5.5 ml) and 1 overnight culture for midiprep (100ml made with 4 ml cultured bacter9a) were made for each sgRNA.
From overnight cultures of sgRNA1, sgRNA4 and sgRNA9 re-trafos 4 glycerol stocks and 4 minipreps were made for all sgRNAs.
10.07.17
Restriction digest of knockdown backbone SDEN
volume | component |
---|---|
6.3 µl | SGEN backbone (5 µg) |
2 µl | 10x CutSmart |
1 µl | EcoRI |
1 µl | XhoI |
9.7 µl | H2O |
Digest was performed for 2 h at 37°C.
Inactivation took 20 min at 65°C.
Dephosphorylation
volume | component |
---|---|
10 µl | antarctic phosphatase buffer |
1 µl | antarctic phosphatase |
10 µl | digested plasmid |
Dephosphorylation took 10 min at 37°C.
Restriction digest of PCR fragments of knockdown inserts
GelEx (22.06.17) | PCREx (27.06.17) | component |
---|---|---|
9.1 ng/µl | 11.0 ng/µl | olG17_112 |
4.5 ng/µl | 5.7 ng/µl | olG17_113 |
8.9 ng/µl | 5.6 ng/µl | olG17_114 |
11.3 ng/µl | 7.9 ng/µl | olG17_115 |
5.9 ng/µl | 6.3 ng/µl | olG17_116 |
All 10 samples were digested completely.
volume | component |
---|---|
25 µl | PCR-Fragments |
0.5 µl | 10x CutSmart |
0.25 µl | XhoI |
0.25 µl | EcoRI |
19.5 µl | H2O |
Digest was performed for 3 h at 37°C.
Inactivation took 20 min at 65°C.
Fragments were separated using gel electrophoresis (2% agarose, 120 V, 30 min).
The digested fragments were not visible in the gel, the phosphorylated backbone smeared (Picture: IM.000500.Tif). Only the non-dephosphorylated was backbone cut out and extracted from gel using a manufacturer's protocol.
Midiprep Cas9-GFP sgRNA3(c6)/scramble(c4)
Midiprep was performed according to manufacturer's protocol to obtain plasmids for electroporation from sequenced colonies (150 µg).
Site-directed mutagenesis PCR CAS9-GFP sgRNA3 & sgRNA20
PCR was performed with Q5 Master Mix for sgRNA3 and self-mixed solution for sgRNA 20.
11.07.17
PCR of 97meres for knockdown inserts
volume | component |
---|---|
10 µl | 5x Q5 buffer |
1 µl | dNTPs (10 mM) |
2.5 µl | 5'mirEXhoIfwd (10 µM) |
2.5 µl | 3'mirEEcoRIrev (10 µM) |
2 µl | 97mere template (0.01 ng/µl) |
0.5 µl | Q5 Pol |
31.5 µl | H2O |
Templates: 0lG17_112 to olG17_116
step | temperature | duration |
---|---|---|
1 | 98°C | 1 min |
2 | 98°C | 10 sec |
3 | 66°C | 30 sec |
4 | 72°C | 20 sec |
5 | 72°C | 2 min |
6 | 8°C |
Steps 2 to 4 were repeated 33x.
Expected product of 144 bp was observed (picture no. IM000506.Tif) and extracted from gel with Qiagen PCR extraction kit according to manufacturer's protocol and eluted in 30 µl H2O.
volume | component |
---|---|
5 µl | 10x CutSmart buffer |
0.25 µl | XhoI |
0.25 µl | EcoRI |
4.5 µl | H2O |
40 µl | template |
Previously eluted product was digested for 3 h at 37°C (10 µ from each PCR run were mixed, for each of the 5 templates).
Fragments were separated using gel electrophoresis (2% agarose gel, 120 V, 20 min) but gel was empty apart from ladder (picture no. IM000504.Tif).
Troubleshooting showed that PCR extraction had not been successful (gel 120 V, 20 min, picture IM000510.Tif).
Digest SGEN backbone of Gibson colonies 7 and 2
volume | component |
---|---|
6.3 µl | SGEN plasmid (5 µg) |
2 µl | CutSmart buffer |
1 µl | EcoRI |
1 µl | XhoI |
9.7 µl | H2O |
Digest was performed for 2 h at 37 °C.
Fragments were separated using gel electrophoresis (picture no. IM000502.Tif) and extracted with qiagen gel extraction kit according to manufacturer's protocol.
12.07.17
Overnight cultures of KO-Kit plasmids and lenti-Cas9
Overnight cultures of KO-Kit 101, 104, 203, lenti-Cas9 for minipreps and midipreps were prepared (13.07./14.07.).
Gels for checking purified knockdown insert DNA
No DNA was visible on gel since concentrations were too low (pictures no. IM000512.Tif and IM000514.Tif).
Purification, restriction digest and ligation of knockdown insert PCR products
Purification of PCR products of all 5 PCRs (picture IM000520.Tif) was performed using Qiagen gel extraction kit according to manufacturer's protocol. Samples washed twice with PE buffer show better curve on nanodrop.
Restriction digest of purified samples (samples from gel using 20x blue loading dye)
volume | component |
---|---|
17 µl | purified DNA |
2 µl | 10x CutSmart buffer |
0.5 µl | EcoRI |
0.5 µl | XhoI |
2h at 37°C
Fragments were purified using Qiagen purification kit according to maufacturer's protocol.
ligation
volume | component |
---|---|
0.7 µl | digested backbone (50 ng) |
x µl | digested insert (2,415 ng) |
1 µl | T4 ligase buffer |
1 µl | T4 ligase |
7.3-x µ | H2O |
Gel extraction of sgRNA3 inserted by SDM PCR into CAS9-GFP
Site-directed mutagenesis PCR of sgRNA20 into Cas9-GFP was repeated and failed.
2 overnight cultures of Cas9-GFP-sgRNA5 were prepared in order to obtain DNA for electroporation. Electrophoresis on agarose of miniprepped coloniees confirm that CutSmart was contaminated with DNAse but not the DNA samples (clear bands were observed as expected).
13.07.17
Sequencing sgRNAs in Cas9-GFP
DNA from colonies of original trafo with CAS9-GFP sgRNAs 1, 4 and 9, which were not yet sequenced or where sequencing hat previously failed, were send to sequencing.
Minipreps(2x) of sgRNA5 in Cas9-GFP were performed according to manufacturer's protocol for 2 electroporations
Heat shock with ligated knockdown plasmids
XL10gold bacteria were transformed with ligation sample (5 µl) following the heat shock protocol (5 plates containing plasmids based on olG17_112, olG17_113, olG17_114, olG17_115, olG17_116) Heat shock failed (bacteria were previously stored overnight at -20°C instead of -80°C, only 40 µl bacteria solution available per heat shock).
15.07.17
Overnight culture of XL10gold
An overnight culture of XL10 gold was prepared using 4 ml LB.
16.07.17
overnight culture of XL10gold
Overnight culture of XL10gold was enlagred to 50 ml LB.
ZymoBroth start: 20:00-9:30
17.07.17
Culturing XL10gold
Start value OD600 = 0.079
Using 1:10 dilution –> OD600 = 0.79
Digest Cas9-GFP
volume | components |
---|---|
0.5 µl | Cas9-GFP (1.1 µg/µl, 11.06.17) |
0.25 µl | EcoRI |
0.25 µl | NotI |
1 µl | CutSmart |
8 µl | H2O |
Expected fragments: 3300 bp, 60000 bp (picture no. 529)
Fragments were observed and 3.3 kb fragment was excised for extraction.
Heatshock transformation of knockdown ligations and lenti-CAS9
Transformation with knockdown ligations 112, 113, 114, 115, 116 and lenti-Cas9 1516 were performed according to heatshock protocol.
Gel purification protocol
- add 450 µl QG buffer, 50-60°C for 10 min
- add 150 µl isopropanol and mix
- 10 min at -20°C
- load on column
- spin for 1 min at full speed and remove flow through
- wash with 750 µl PE buffer
- spin for 1 min at full speed and remove flow through
- spin 2 min at full speed and remove flow through
- elute DNA in 30 µl H2O
19.07.17
Ligation of sgRNA3 in Cas9-GFP SDM PCR product
volume | component |
---|---|
4 µl | 8 gn/µl PCR product |
4 µl | H2O |
1 µl | T4 ligase |
1 µl | ligase buffer 10x |
3 samples 2 h at 16°C
3 samples 1 h at 16°C
DpnI digest (4 µl of each ligation) and heat shock frafo in XL10gold
Minipreps of picked knockdown cultures
Minipreps of knockdown plasmids 112, 113, 114, 115, 116 were performed according to manufacturer's protocol and send for sequencing.
20.07.17
Picking colonies of CAS9-GFP sgRNA3
One colony of each plate of CAS9-GFP sgRNA3 was picked for prep, glycerol stock and digest. Plates were stored at 4°C to pick further colonies (re-plate tomorrow).
21.07.17
Extraction of genomic DNA from HEK293T cells
Genomic DNA was extracted from HEK293T cells according to kit protocol for T7E1 assay establishment.
Positive knockdown colonies
Positive colonies of 114, 115, 116 (SGEN) were recultured and new colonies of 112, and 113 were picked.
Miniprep of lenti-CAS9 colonies
A miniprep of 5 lenti-CAS colonies was performed according to manufacturer's protocol.
lenti-Cas9 test digest with NcoI-HF was performed at 37°C.
volume | component |
---|---|
2 µl | DNA |
0.25 µl | NcoI-HF |
1 µl | 10x CutSmart |
6.75 µl | H2O |
picture no. 534
Digest of lenti-Cas9 was performed using BsmbI.
volume | component |
---|---|
2.5 µl | plasmid (500 ng/µl) |
5 µl | fast digest buffer |
1 µl | BsmBI |
41.5 µ | H2O |
picture no. 534
Miniprep of new picked knockdown colonies
Miniprep was performed of knockdown colonies 112 and 113 according to manufacturer's protocol.
24.07.17
Digest of lenti-Cas9
volume | component |
---|---|
6 µl | plasmid (279.5 ng/µl) |
5 µl | fast digest buffer 10x |
1 µl | BsmBI |
38 µl | H2O |
Site directed mutagenesis PCR
Site directed mutagenesis PCR was perfored to obtain BsmBI and BbsI restriction sites in Cas9-GFP and BbsI in Lenti-Cas9-puro. Two fragments were generated for each insertion.
Fragment | 1 | 2 | |||
---|---|---|---|---|---|
Plasmid | Restriction site | primers | size | primers | size |
GFP | BsmBI | 212/215 | 3 kb | 216/218 | 3.7 kb |
GFP | BbsI | 212/214 | 3 kb | 216/218 | 3.7 kb |
lenti | BbsI | 213/214 | 1 kb | 216/217 | 2.9 kb |
The observed fragment pattern was observed ladder was not visible on gel. Fragments were excited anyway and PCR was repeated on 25.07.17.
25.07.17
Gel extraction, digest and ligation of lenti-Cas9
lenti-CAS9 fragments were extracted from gel and digested using BsmBI.
volume | component |
---|---|
6 µl | plasmid |
5 µl | FD 10x B. |
1 µl | BsmBI |
38 µl | H2O |
Picture no. 543
Fragments of lenti-Cas9 were ligated.
volume | component |
---|---|
5 µl | backbone (15.9 ng/µl) |
1 µl | sgRNA1, 3, 4 (50 nM) |
1 µl | T4 buffer |
1 µl | T4 |
2 µl | H2O |
T7E1 assay
NEB 2 puffer 1x and 1.5 µl T7 were added to 200 ng of PCR products (of positive control, exon 6, exon 5, exon 8, exon 10). Assay was cooled down in 2.5 h from 95°C to 20°C.
Miniprep of SGEN 115 and lenti-Cas9 plasmids
Minipreps were performed according to manufacturer's protocol.
26.07.17
Picking colonies for lenti-Cas9
Colonies containing sgRNA1, 3, 4, 5, 9 in lenti-CAS9 were picked.
Digest of lenti-Cas9 with BsmBI
volume | component |
---|---|
3 µl | plasmid |
2.5 µl | FD buffer |
0.5 µl | BsmBI |
19 µl | H2O |
picture no. 547
SDM PCR BsmBI and BbsI into Cas9-GFP and lenti-Cas9-puro
Site-directed mutagenesis was performed as previously to insert BsmBI and BbsI into Cas9-GFP. PCR fragments were excised from gel and purified using a clear-up kit according to manufacturer's protocol. Fragments were digested with BsmBI or BbsI and NotI or EcoRI and purified using a PCR clear-up kit.
Cas9-GFP and lenti-Cas9-puro were digested with NotI and EcoRI in FD 10x.
picutres no. 539 and 538
27.07.17
Site directed mutagenesis PCR
Strategy was changed because strategy with shorter fragments for each side combined with NotI and EcoRI did not work (produced blunt-ends). Now a whole plasmid amplification was performed to insert BsmBI and BbsI into Cas9-GFP (run on 0.9% agarose at 110 V for 35 min, picture no. IMG00550). Protocols as for oroginal blunt end ligation estrategy, expected band of 9.3 kb was at 10 kb with good efficiency, also a 3 kb band was observed and both were extracted.
Digest with BsmBI or BbsI
volume | component |
---|---|
0.5 µl | BsmBI |
fermentas FD 10x | |
1 µl | DpnI |
H2O |
Digest was performed for 20 min at 37 °C and 1 h at 55°C.
volume | component |
---|---|
1 µl | BbsI |
fermentas FD 10x | |
1 µl | DpnI |
H2O |
Digest was performed for 2 h at 37°C.
Oligo ligation of sgRNA5 with T4 was performed for 1 h and XL10gold were transformed according to heat shock protocol. Colonies were also found in BbsI (maybe confused) and BsmpI (DpnI might need longer).
Miniprep of Lenti-Cas9
Minipreps of plasmids containing sgRNA1, 3, 4, 5, 9 were performed according to manufacturer's protocol and send for sequencing.
28.07.17
Gelex of digested lenti-CAS9 and ligation of lenti-Cas sgRNA20
volume | component |
---|---|
7 µl | plasmid |
1 µl | sgRNA (50 ng/µl) |
1 µl | T4 ligase buffer |
1 µl | T4 ligase |
PCR for T7E1
PCR for T7E1 was performed to identify knockout in HEK cells as previously described. PCR purification was performed of HEK both primers and exon 8.
30.07.17
PCR for T7E1 assay
Positive control: CCR5delta32 mutation in HEK293T (olG17_073/074).
Negative sample: HIF1A exon 8.
volume | component |
---|---|
x µl | gDNA (300ng) |
5 µl | 5x phusion HF buffer |
0.5 µl | dNTPs |
1 µl | fwd |
1 µl | rev |
0.25 µl | phusion |
17.25-x µl | H2O |
(original protocol: 200 ng gDNA)
Better use 0.5 µl primers for 25 µl reactions.
Electrophoresis was performed on 2% agarose gel (100 V for 45 min).
Expected bands: 500 bp
PCR HEK positive control 73,74 test
volume | component |
---|---|
8 µl | H2O |
12,5 µl | kappa2G |
1.25 µl | primer 73 |
1.25 µl | primer 74 |
31.07.17
Sequencing of Cas9-GFP sgRNAs
Cas9-GFP sgRNAs1, 3, 4, 9, 20 from SDM PCR restriction site insertion, BsmBI or BbsI and DpnI digested and dsDNA oligoinsertion were send to sequencing.
PCR purification of T7E1 samples
T7E1 dsDNA samples obtained on 30.07.17 were dissociated and re-annealed in NEB 2 buffer 1x at 95°C for 5 min and for 2:30 h slowly cooled down to room temperature in heatblock.
T7E1 assay
200 ng PCR product were re-annealed using 1.5 µl 1:1 of T7E1 and and 2x NEB 2 buffer at 37°C for less than 20 min. Reaction was stopped by addition of 3 µl 6x OrangeDye, the samples were put on ice immediately and quickly loaded on 2% agarose gel.
Expected fragments: 200 bp, 300 bp, could not be observed.
01.08.17
Knockout Sequencing
Cas9-GFP sgRNAs from 31.07.17, only positive for BsmBI samples
repeat of SDM PCR with Q5 to insert BsmBI sites into Cas9-GFP
sequencing of other colonies for sgRNAs 4, 9 inserted by BsmBI, overnight cultures for miniprep
T7E1 assay repeat troubleshooting
- use more DNA
- anneal longer than 3 h
- T7 less than 15 min
T7E1 PCR
2x at 63°C, no good result on first gel
02.08.17
Miniprep of Cas9-GFP sgRNA4/9
2 more colonies for each BsmBI cloning (27.07.17) because sequencing was negative
picking 3 colonies from BsmBI cloning (01.08.17) for sgRNAs3/20 in Cas9-GFP, other plates stored
control transformation yielded no colonies this time, maybe because of longer digestion with DpnI
5 ml overnight cultures (2x each)
- lenti-Cas9-puro sgRNas 1 / 3 / 4 at 37°C
- SGEN shRNA 4 (former 115, now 133) and shRNA 5 (former 116, now 134) at 30°C
T7E1 PCR
PCR at 60°C worked with HEK but not wich Ex8.
PCR purification HEK (30 ng) and Ex8 (15 ng).
Standard PCR protocol HEK 73/74
volume | component |
---|---|
0.5 µl | DNA (200 ng) |
5 µl | phusion 5x buffer |
0.5 µl | dNTPs |
0.5 µl | fwd |
0.5 µl | rev |
0.25 µl | phusion |
17.75 µl | H2O |
03.08.17
T7E1 annealing
HEK CCR6 PCR product, 1 h,2 h, and 6 h at 37°C, no negative control
T7E1 incubation for 29°C at 37°C
Minipreps and Glycerol stocks
low yield minipreps
sgRNA1, 3, 4 in Lenti-Cas9
sgRNA3, 20 in Cas9-GFP
sgRNA1 in Cas9-GFP
new overnight cultures 9 ml Cas9-GFP sgRNA1, 4, 5, 2 colonies of Cas9
miniprep (promega) of lenti-Cas9 colonies
04.08.17
PCR on gDNA for T7
New primers for exon 9, 10 in Hif1A improved PCR, old primers for exon 6, 8 worked fine. Annealing at 60°C annealing lead to weak band for exon 6. No bands were observed for CCR5delta 32 in HEK (bad gDNA was used, now thrown away). Experiment for CCRDdelta32 was repeated with good gDNA(59°C annealing) to obtain new samples.
PCR on gDNA of Jurkat cells with KO-Kit primers
volume | component | |
---|---|---|
0.2 µl | 1.8 µl | Taq |
1.5 µl | 13.5 µl | buffer |
1 µl | 9 µl | template |
0.3 µl | 2.7 µl | dNTPs |
0.75 µl | 6.75 µl | fw |
0.75 µl | 6.75 µl | rv |
10.5 µl | 95.5 µl | H2O |
PCR gDNA in was annealed in thermocycler.
- 95-85°C at 2°C/min
- 85-25°C at 0.05°C/min
T7E1 endonuclease assay
In Jurkat cells 200 ng gDNA were annealed (HIF1A 1.5 µl 1:1 T7:NEB2 2x, exon 6). No control was used.
In HEK293T cells 200 ng gDNA were annealed (CCR5delta32 1.5, 2, 2.5, 3, 4 used 1:1 T7:NEB2). Control was used.
Annealing was performed at 37°C for 25 min.
Minipreps Cas9-GFP
Minipreps of Cas9-GFP sgRNA1, 4, 5 were performed for electroporation according to manufacturer's protocol.
05.08.17
T7E1 annealing
HEK
volume | component |
---|---|
4 µl | DNA (200ng) |
0.75 µl | T7 |
0.75 µl | NEB2 2x |
8 µl | NEB2 1x |
Positive control
volume | component |
---|---|
4 µl | gDNA (58 ng/µl) |
0.75 µl | T7 |
0.75 µl | NEB2 2x |
8 µl | NEB2 1x |
Negative control
volume | component |
---|---|
4 µl | gDNA exon 5 (25 ng/µl) |
0.75 µl | T7 |
0.75 µl | NEB2 2x |
8 µl | NEB2 1x |
Gel at 95V for 50 min.
PCR KO-Kit confirm
PCR was performed to confirm knockout.
volume | component |
---|---|
0.2 µl | taq |
2 µl | template |
1.5 µl | 10x buffer |
0.3 µl | dNTPs |
0.75 µl | fw (32) |
0.75 µl | rv (59) |
9.5 µl | H2O |
Glycerol stocks Cas9-GFP
Cas9-GFP BsmbI
- sgRNA20 colonies 4, 5 and 6
- sgRNA3 colonies 4, 5 and 6
Test digest of SGEN112_2_1 and SGEN 112_2_2
volume | component |
---|---|
2 µl | DNA |
1 µl | 10x FD |
0.5 µl | NotI |
6.5 µl | H2O |
Digest was performed at 37°C for 1 h.
Picture in labbook\
Minipreps of Cas9-GFP sgRNA3 and sgRNA20
3 more colonies for Cas9-GFP sgRNA3 and sgRNA20 were sent for sequencing.
Overnight cultures (5 ml LLB-Amp)
- for electroporation lenti-Cas9-puro sequenced sgRNAs1-9
- for cloning constitutively active (CCa) HIF1A as western blot positive contro, 1x HA-HIF1A from plate
07.08.17
Minipreps of 101 and 104
Minipreps were performed according to manufacturer's protocol.
Positive sequencing result for Cas9-GFP-sgRNA9
Colony 4 of Cas9-GFP-sgRNA9 was positive. Cas9-GFP sgRNA3 and sgRNA20 were send for sequencing (3 colonies each).
08.08.17
Miniprep of KO-Kit
Miniprep of plasmids 101, 104, 203 was performed according to manufacturer's protocol.
Positive sequencing and picking colonies
Sequencing was positive for Cas9-GFP sgRNa3 (colony 5). 4 new colonies of Cas9-GFP sgRNA20 were picked (LB-Amp 5ml overnight cultures). Cultures of Cas9-GFP sgRNA3, sgRNA9 for preps for electroporation and SGEN shRNA112 for lentisviral transduction.
T7E1 assay
T7E1 assay was performed.
- PCR 4x HEK293T CCR5delta32 positive control
- PCR 1x each of Jurkat HIF1A exons 5, 6, 8, 10 negative control
- PCR clearup from 2% agarose gel (Qiagen kit)
- annealing at 95-85% 2°C/sec, 85-25°C 1% ramps(approx. 0.6°C/sec)
- assay 12 µl DNA + 1.5 µl 1xNEB2
Tested conditions
+ T7E1 | no T7E1 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
pos. ctrl. | pos. ctrl. | pos. ctrl. | pos. ctrl. | pos. ctrl. | pos. ctrl. | pos. ctrl. | neg. ctrl. | pos. ctrl. | neg. ctrl. | |
Method | Cycler | Cycler | Block | Water | Cycler | Cycler | Cycler | Cycler | room temp | room temp. |
Amount DNA | 200 | 200 | 200 | 200 | 200 | 300 | 400 | 200 | 200 | 200 |
Duration | 10 | 15 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
KO-Confirm PCR with primers 228 and 229
PCR was performed on plasmid 104 and gDNA to confirm knockout.
volume | component |
---|---|
2 µl | template |
1.5 µl | 10x buffer |
0.3 µl | dNTPs |
0.75 µl | primer fw |
0.75 µl | primer rv |
0.2 µl | Taq |
9.5 µl | H2O |
Program koconfirm (but here at 64°C)
step | temperature (°C) | time |
---|---|---|
1 | 95 | 3:00 |
2 | 95 | 0:30 |
3 | 59 | 0:30 |
4 | 72 | 0:40 |
5 | 72 | 7:00 |
6 | 4 | pause |
Steps 2 to 4 were repeated 30x.
Picture no. 614 lower line
T7E1 assay for CCR5delta32 positive control
volume | component |
---|---|
5.5 µl | CCR5delta32 DNA (209 ng) |
12.5 µl | H2O |
2 µl | NEB10x |
10.08.17
PCR for T7 assay, annealing and T7 incubation
Experiment failed.
Mycoplasm PCR
volume | volume | component |
---|---|---|
2 µl | template | |
1.5 µl | 13.5 µl | 10x Y Buffer |
0.3 µl | 2.7 µl | dNTPs |
1 µl | 9 µl | primer fw |
1 µl | 9 µl | primer rv |
0.2 µl | 1.8 µl | Taq |
9 µl | 81 µl | H2O |
Program: myco
step | temperature (°C) | time |
---|---|---|
1 | 95 | 5:00 |
2 | 95 | 0:40 |
3 | 60 | 0:40 |
4 | 72 | 0:40 |
5 | 72 | 5:00 |
6 | 4 | pause |
Steps 2 to 4 were repeated 30x.
Picture no. 621
11.08.17
KO-confirm primer 228 and 229
To confirm knockout a PCR was performed.
volume | volume | component |
---|---|---|
2 µl | template | |
1.5 µl | 7.5 µl | 10x buffer |
0.5 µl | 2.5 µl | dNTPs |
0.75 µl | 3.75 µl | primer fw |
0.75 µl | 3.75 µl | primer rv |
0.2 µl | Taq | |
9.3 µl | 46.5 µl | H2O |
PCR for T7E1 assay
PCR was performed as previously described (double volume 50 µl).
volume | component |
---|---|
1 µl | gDNA |
10 µl | 5x buffer |
1.5 µl | dNTPs (10µM) |
1.25 µl | primer fw |
1.25 µl | primer rv |
0.5 µl | phusion |
Test digest HIF pcDNA3
volume | component |
---|---|
5 µl | DNA HIF pcDNA3 |
1 µl | CutSmart buffer |
1 µl | XhoI |
3 µl | H2O |
Test digest was performed for 1 hour at 37°C (was accidentally thrown away).
Test digest of lenti-Cas9-sgRNA20 and knockdown plamsids
lenti-Cas9-sgRNA20 and knockdown SGEN112_2.1 and SGEN112_2.2 were test digested.
volume | component |
---|---|
1 µl | BamHI |
2 µl | Plasmid |
1.5 µl | FD buffer |
10.5 µl | H2O |
Lenti-Cas9
volume | component |
---|---|
1 µl | NcoI |
2 µl | plasmid |
1.5 µl | FD buffer |
10.5 µl | H2O |
T7E1 assay
50µl PCR samples (from 11.08.17) were annealed for longer than 3 h in heatblock, then 10 min at 95°C and cooled down in block. 400 ng/sample PCR product were obtained (reaction mix as previously; time: 18, 20, 22 min T7E1 at 37°C, stop with 3 µl 6x Orange Loading Dy on ice. Jurkat HIF1A exon 5 from PCR on 08.08.17 served as negative control and was incubated for 20 min with T7. 2% EtBR gel was used. Expected bands at 200 bp and 300 bp were observed in all three CCR5delta32 samples with T7.
13.08.17
KO-confirm primer 228 and 229
volume | volume | component |
---|---|---|
2 µl | template | |
1.5 µl | 7.5 | 10x buffer |
1 µl | 5 µl | dNTPs |
1 µl | 5 µl | primer fw |
1 µl | 5 µl | primer rv |
0.2 µl | Taq | |
8.2 µl | 41 µl | H2O |
program: koconfirm
picture no. 633
Retrafo of sgRNA20_4
volume | component |
---|---|
2 µl | template (1:1 genomic:plasmid) |
1.5 µl | buffer 10x |
1 µl | dNTPs |
1 µl | primer fw |
1 µl | primer rv |
0.2 µl | Taq |
8.3 µl | H2O |
Program: PCR kitKOconfirm
step | temperature (°C) | time |
---|---|---|
1 | 94 | 5:00 |
2 | 94 | 0:40 |
3 | 60 | 0:40 |
4 | 72 | 4:00 |
5 | 72 | 5:00 |
6 | 4 | pause |
Steps 2 to 4 were repeated 35x.
14.08.17
PCR KO-Kit confirm (TAq and Q5)
A PCR was performed to confirm knockout.
volume | component |
---|---|
2 µl | template gDNA |
1.5 µl | buffer 10x |
1 µl | dNTPs |
1 µl | primer fw 32 |
1 µl | primer rv 60 |
0.5 µl | Taq Q5 |
7.5 µl | H2O |
Program: kokit3primers
step | temperature (°C) | time |
---|---|---|
1 | 95.0 | 2:00 |
2 | 95.0 | 0:30 |
3 | 55.5 | 0:40 |
4 | 72.0 | 2:00 |
5 | 72.0 | 5:00 |
6 | 4.0 | pause |
Steps 2 to 4 were repeated 35x.
Product ~1.6 kb at 54.5°C, ET 1.5 min
Picture no. 642
Gibson HIF1A
- Insert HIF1A 20 ng/µl, 520 bp
- Backbone pcDNA3 8 ng/µl, 7464 bp
- Insert:backbone 4:1
volume | component |
---|---|
10 µl | 2x gibson |
9 µl | backbone |
1 µl | insert |
Assembly was performed for 1 h at 50°C.
XL10gold were transformed using heat shock protocol (06.05.17).
15.08.17
PCR KO-Kit confirm 3 primers
A PCR was performed to confirm knockout.
volume | component |
---|---|
2 µl | template gDNA |
1.5 µl | buffer 10x |
1 µl | dNTPs |
1 µl | primer fw 32 |
1 µl | primer rv 60 |
0.3 µl | Taq (Q5) |
7.7 µl | H2O |
Program: kokit confirm 3 primers
at 34,5°C, elongation time 1.5 min
picture no. 648
volume | component |
---|---|
2 µl | template gDNA |
1.5 µl | buffer 10x |
1 µl | dNTPs |
1 µl | primer fw 32 |
1 µl | primer rv 60 |
0.5 µl | Taq (Q5) |
7.5 µl | H2O |
Program: kokit confirm 3 primers
at 49°C, elongation time 2 min
Picture no. 648
Miniprep of Lenti-Cas sgRNA20_4 and test digest with EcoRI and BamHI
Miniprep was performed according to manufacturer's protocol.
volume | component |
---|---|
2 µl | DNA |
0.75 µl | EcoRI |
0.75 µl | BamHI |
1.5 µl | 10x FD |
5 µl | H2O |
PCR CaHIF1A
Protocol 13.08.17
only backbone, 1 µl dNTPs instead
16.08.17
PCR KO-Kit
gDNA101 template was diluted 1:10 diluted.
Primers 228 and 229
volume | component |
---|---|
1 µl | template |
2 µl | buffer |
1 µl | primer fw |
1 µl | primer rev |
1 µl | dNTPs |
0.5 µl | Taq (Q5) |
13.5 | H2O |
Primers 32 and 60
volume | component |
---|---|
1 µl | template |
2 µl | buffer |
1 µl | primer fw |
1 µl | primer rev |
1 µl | dNTPs |
0.5 µl | Taq (Q5) |
13.5 | H2O |
Picture no. 654
PCR on CaHIF1a gel, gelex, gibson and trafo
Performed as described previously.
Preparation of buffers for electrophoresis
- Stacking gel stock: Tris-HCL 1 M pH 6.8
- Separation gel stock: Tris-HCL 1.5 M pH 8.8
- WB running buffer 10x: Tris 0.5 M, 0.1% SDS, glycin 1 M, HCl –> pH 8.3
- 10x Lämmli running buffer (1 l): 30 g tris, 10 g SDS, 144 g glycin
Protein extraction from HEK
HRE-SEAP and CoCl2 treated cells were lysed to extract proteins (12 well plate triplicates, WT, 0µM / 200 µM / 500 µM CoCl2).
Protocol cell lysis
- on ice 2x washing in PBS (remove by 2 min, 100xg) with 100µM CoCl2 for CoCl2 cells
- 150 µl RIPA buffer, 0.1% proteinase inhibitor cocktail with 100µM CoCl2 for CoCl2 cells
- 5 min ultrasound
- 20 min 20,000xg, 4°C –> take supernatant (pellet stored for control)
SDS-PAGE
Protocol SDS-PAGE
- 8% acrylamid gel
- 4.5% stacking gel
- heat samples 10 min 96°C in loading dye
- 1x Lämmli running buffer
- run at 80 V until end of stacking gel
- 150 V for rest of run (until blue loading dye elutes)
Western Blot
Protocol Western Blot
- assemble in running buffer
- incubate/soak gel, whatman papers, sponges in running buffer
- activate PVDF membrane in 100% methanol for 1 min, then wash MeOH off with running buffer
- assembly: sponge, whatman paper, PVDF membrane, gel, whatman paper, sponge (every step flatten stack by rolling out from centre to outside)
- run 10-12 h const. 20mAmp (also possible: 1:35 h 44 Amp/45 V)
17.07.17
Colonies picked from CaHIF1A cloning
2 colonies were picked.
18.08.17
CaHif1A miniprep, test digest and glycerol stocks
Miniprep was performed on overnight cultures CaHIF1A C1 and C2 according to manufacturer's protocol (zymo).
C1 test digest (see 11.08.17)
volume | component |
---|---|
1.2 µl | plasmid (745 ng/µl) |
1 µl | CutSmart |
1 µl | XhoI |
6.8 µl | H2O |
C2 test digest
volume | component |
---|---|
3 µl | plasmid (372 ng/µl) |
1 µl | CutSmart |
1 µl | XhoI |
5 µl | H2O |
Glycerol stocks of CaHif1A were produced.
20.08.17
KO-Kit confirm PCR
To confirm knockout a PCR was performed.
Mix 1
volume | volume | component |
---|---|---|
1 µl | template | |
1.5 µl | 13.5 µl | buffer 10x |
1 µl | 9 µl | primer 228 |
1 µl | 9 µl | primer 229 |
1 µl | 9 µl | dNTPs |
0.5 µl | 4.5 µl | Taq Q5 |
9 µl | 81 µl | H2O |
Mix 2
volume | volume | component |
---|---|---|
1 µl | 9 µl | template |
1.5 µl | 13.5 µl | buffer 10x |
1 µl | 9 µl | primer 60 |
1 µl | 9 µl | primer 32 |
1 µl | 9 µl | dNTPs |
0.5 µl | 4.5 µl | Taq Q5 |
9 µl | 81 µl | H2O |
Picture in lab book.
Cell lysis of JK cells
Lysis of JK cells was performed according to protocol.
21.08.17
SDS-PAGE and Western blot
SDS-PAGE were ran for ~ 2 h, Western blots overnight (const. 20 mA, 4°C).
22.08.17
Blocking Western blots
Blots were blocked for ~ 6 h, then stored at 4 °C (picture in lab book).
Generated BSA standard in TBS-T
BSA concentration | No. | lambda | Absorbance |
---|---|---|---|
0 µg/ml | 2 | 620nm | 0.005A |
0 µg/ml | 2 | 620nm | 0.007A |
0 µg/ml | 2 | 620nm | 0.007A |
5 µg/ml | 3 | 620nm | 0.140A |
5 µg/ml | 3 | 620nm | 0.161A |
5 µg/ml | 3 | 620nm | 0.115A |
10 µg/ml | 3 | 620nm | 0.275A |
10 µg/ml | 3 | 620nm | 0.284A |
10 µg/ml | 3 | 620nm | 0.271A |
20 µg/ml | 3 | 620nm | 0.581A |
15 µg/ml | 3 | 620nm | 0.435A |
15 µg/ml | 3 | 620nm | 0.429A |
15 µg/ml | 3 | 620nm | 0.430A |
20 µg/ml | 3 | 620nm | 0.545A |
20 µg/ml | 3 | 620nm | 0.574A |
30 µg/ml | 3 | 620nm | 0.830A |
30 µg/ml | 3 | 620nm | 0.886A |
30 µg/ml | 3 | 620nm | 0.887A |
24.08.17
SDS-PAGE
Protein concentration was determined using amido black stain. 10 µg protein for each sample were was loaded on gel (problem with CoCl2 treated sample: not able to load appropriate volume). Blotting occurred over night at 4 °C (20 mA, 12 h). Membrane was blocked with 5% milk powder in TBST for 2.5 h.
cell line | JK | JK | JK | JK | HEK |
CoCl2 (µM) | 0 | 200 | 400 | 800 | 500 |
26.08.17
lenti-Cas9-puro all RNAs electroporation
All RNA coding lenti-Cas9-puro were electroporated into Jurkat using CAS9-GFP RNAscramble as transfection control.
Protocol from cell culture was used:
- 2×10^6 cells and 9 µg DNA were resuspended in 200 µl 3P buffer
- put in cuvettes and electroporated
- 500 µl RPMI were added
- plated on 12 well plate, filled to 2 ml with RPMI
Puromycin toxicity assay
HEK cells were transfected with lenti-Cas9-puro RNA5 old cloning and SGEN as transfection control using PEI (1x10cm dish at ~50% confluency). 1 ml serum, phenol red free DMEM and 10 µg DNA were vortexed. 30 µl PEI (1µg/ml) were added and vortexed carefully. After 15 min PEI/DNA was added evenly to dish.
31.08.17
SDS-PAGE
Protein amount was determined using amido black stain. 10 µg protein for each sample were loaded. SDS-Page took ~ 2 h and blotting 2 h at 250 mA. Membranes were blocked overnight at 4°C. No results could be observed.
Cell line | HEK | HEK | HEK | JK | JK | JK | JK |
CoCl2 (µM) | 0 | 200 | 500 | 0 | 400 | 200 | 800 |
03.09.17
SDS-PAGE with new samples
Treating blots made on 31.08.17 with new ECL showed no results. Western blots were repeated but without success.
10.09.17
Cell lysis and determining protein concentration
Cell lysis was performed according to protocol (6cm dish JK with 150 µl RIPA, 6 well HEK in 250 µl RIPA). Protein concentration was determined using amido black stain.
11.09.17
SDS-PAGE and Western Blot
10 µg protein for each sample were loaded on gel for SDS-PAGE (0.02 A in stacking-gel, 0.05 A in running-gel). Blotting was performed at 250mA for 2 h. Blocking occured at room temperature for 2 h in 5% milk-TBS-T. Blots were incubated with primary antibodies overnight (anti-HIF1A, anti-GAPDH).
cell line | JK | JK | JK | JK | HEK | HEK | HEK | HEK | HEK |
CoCl2 (µM) | 0 | 200 | 400 | 800 | 0 | 200 | 400 | 600 | 800 |
12.09.17
Washing blots
Blots were washed with TBS-T 3x10min and incubated with 1:10,000 secondary antibody for 1 h (anti-mouse HRp –> HIF1A; anti-rabbit HRP –> GAPDH).
14.09.17
Lysis of JK cells and determining protein concentration
JK cells were induced with CoCl2 24 h before lysis. Lysis was performed in 150 µl RIPA and 100 µM CoCl2. Protein concentration was determined with amido black stain.
15.09.17
SDS-Gel for JK
Samples were collected one day prior to running the gel. Lysis was performed according to protocol. Amido black stain was used to determine protein amount. Proteins were blotted for 2 h at 250 mA. The mambrane was blocked for 2 h at room temperature.
cell line | ladder | JK | JK | JK | JK | JK | JK |
CoCl2 (µM) | 0 | 20 | 40 | 80 | 160 | 200 |
17.09.17
SDS-PAGE
Gel performed according to protocol. Western blot was performed for 2 h at 250 mA. Protein amount was determined using amido black stain. Blots were blocked for 2 h at room temperature and primary antibody was added over night.
cell line | ladder | HEK:133 | HEK:133 | HEK:133 | HEK:133 | HEK:WT | HEK:WT | HEK:WT |
CoCl2 (µM) | 0 | 200 | 400 | 600 | 0 | 400 | 600 |
cell line | ladder | HEK:134 | HEK:134 | HEK:134 | HEK:134 | HEK:WT | HEK:WT | HEK:WT |
CoCl2 (µM) | 0 | 200 | 400 | 600 | 0 | 400 | 600 |
18.09.17
SDS-PAGE and Western Blot
SDS-PAGE and Western Blot were performed according to protocol
cell line | ladder | JK:133 | JK:133 | JK:133 | JK:133 | JK:WT | JK:WT | JK:WT | JK:WT | HEK |
CoCl2 (µM) | 0 | 80 | 160 | 200 | 0 | 80 | 160 | 200 | 600 |
cell line | ladder | HEK | JK:133 | JK:133 | JK:133 | JK:133 | JK:WT | JK:WT | JK:WT | JK:WT |
CoCl2 (µM) | 600 | 0 | 80 | 160 | 200 | 0 | 80 | 160 | 200 |
20.09.17
Electroporation of 5 gRNAs into Jurkat
Electroporation of 5 gRNAs into Jurkat cells was performed according to protocol. GFP marker was used for sorting.
21.09.17
Electroporation of 5 gRNAs into Jurkat
Electroporation of 5 gRNAs into Jurkat cells was repeated. GFP marker was used for sorting.
SDS-PAGE and Western Blot
SDS-PAGE and Western Blot were performed according to protocol.
cell line | ladder | HEK:WT | HEK:WT | HEK:WT | HEK:133 | HEK:133 | HEK:133 | HEK:133 |
CoCl2 (µM) | 0 | 400 | 600 | 0 | 200 | 400 | 600 |
cell line | ladder | HEK:WT | HEK:WT | HEK:WT | HEK:134 | HEK:134 | HEK:134 | HEK:134 |
CoCl2 (µM) | 0 | 400 | 600 | 0 | 200 | 400 | 600 |
22.09.17
Sorting GFP-positive cells of pooled electroporations
GFP-positive cells of pooled electroporations were sorted. Negative control was not mock electroporated and cound not be used for gating, hence data were gated based on samples. Single cells were seeded in 96-well plates into 50 µl mycoplasm clearance medium. Microscopy was used to check for presence of cells.
23.09.17
SDS-PAGE and Western Blot
Samples were collected one day prior to SDS-PAGE gel. Protein amount was determined by amido black stain. SDS-PAGE and Western Blot were performed according to protocol (2 gels).
cell line | ladder | JK:WT | JK:WT | JK:WT | JK:WT | JK:133 | JK:133 | JK:133 | JK:133 |
CoCl2 (µM) | 200 | 80 | 40 | 0 | 200 | 80 | 40 | 0 |
24.09.17
Adding medium to seeded single cell plates
100 µl conditioned RPMI was added to seeded single cell plates. In the following weeks regular check of clonal cultures and addition of conditioned RPMI if necessary.
SDS-PAGE and Western Blot
Samples were collected on 23.09.17. Protein amount was determined by amido black stain. Lysis of cells, SDS-PAGE and Western Blot were performed according to protocol.
cell line | ladder | HEK:WT | HEK:WT | HEK:WT | HEK:133 | HEK:133 | HEK:133 | HEK:133 |
CoCl2 (µM) | 0 | 400 | 600 | 0 | 200 | 400 | 600 |
cell line | ladder | HEK:WT | HEK:WT | HEK:WT | HEK:134 | HEK:134 | HEK:134 | HEK:134 |
CoCl2 (µM) | 0 | 400 | 600 | 0 | 200 | 400 | 600 |
29.09.17
SDS-PAGE and Western Blot
Experiments were performed according to protocol (see day before). CMV:HIF served as HA positive control.
anti-HA
cell line | WT(HEK) | WT(HEK) | WT(HEK) | WT(HEK) | 133(HEK) | 133(HEK) | 133(HEK) | 133(HEK) |
CMV:HIF | - | - | + | + | - | - | + | + |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 |
cell line | WT(HEK) | WT(HEK) | WT(HEK) | WT(HEK) | 134(HEK) | 134(HEK) | 134(HEK) | 134(HEK) |
CMV:HIF | - | - | + | + | - | - | + | + |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 |
anti-HIF1A
cell line | WT(HEK) | WT(HEK) | WT(HEK) | WT(HEK) | 133(HEK) | 133(HEK) | 133(HEK) | 133(HEK) |
CMV:HIF | - | - | + | + | - | - | + | + |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 |
cell line | WT(HEK) | WT(HEK) | WT(HEK) | WT(HEK) | 134(HEK) | 134(HEK) | 134(HEK) | 134(HEK) |
CMV:HIF | - | - | + | + | - | - | + | + |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 |
30.09.17
Sample preparation, SDS-PAGE and Western Blot
Sample preparation, SDS-PAGE and Western Blot as described earlier.
cell line treatment | WT | WT | 134 | 134 | 134 | 134 | ladder | 134 + CRE + Forskolin | 134 + CRE + TDAG, pH7.5 | 134 + CRE + TDAG, pH7.5 |
CMV:HIF | - | - | - | - | + | + | - | - | - | |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 0 | 400 |
cell line treatment | WT | WT | 134 | 134 | 134 | 134 | ladder | 134 + CRE + Forskolin | 134 + CRE + TDAG, pH6.5 | 134 + CRE + TDAG, pH6.5 |
CMV:HIF | - | - | - | - | + | + | - | - | - | |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 400 | 0 | 400 |
→ no results
04.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | ladder | WT | WT | WT | WT | 130 | 130 | 130 | 130 |
CoCl2 (µM) | 0 | 200 | 400 | 600 | 0 | 200 | 400 | 600 |
05.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | WT | WT | WT | 130 | 130 | 130 | ladder | GFP positive |
CoCl2 (µM) | 0 | 100 | 200 | 0 | 100 | 200 |
cell line | ladder | WT | WT | WT | WT | 130 | 130 | 130 | 130 |
CoCl2 (µM) | 0 | 100 | 150 | 200 | 0 | 100 | 150 | 200 |
→ no result
06.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | ladder | WT | WT | WT | WT | HRE | HRE | HRE | HRE |
CoCl2 (µM) | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 | |
CMV:HIF | - | - | + | + | - | - | + | + |
→ no results
07.10.17
T7E1 assay on puromycin selected non-clonal Jurkat HIF1A-KO
T7E1 assay was performed according to protocol. PCR for HEK CCRdelta32 positive control and WT/KOJK HIF1A exon 6 (KO1) and exon 5(KO3) were each performed twice. gDNA was extracted according to protocol in cell cluture lab book (16.05.17).
- sgRNA1 vs. exon 6
- sgRNA3 vs. exon 5
- WT
- 3/4 of semi-confluent 6 cm dish for each
volume | component |
---|---|
x | gDNA (300-400 ng) |
10 µl | 5x buffer |
1.5 µl | dNTPs |
1.25 µl | each primer |
0.5 µl | Q5 |
35.5-x µl | H2O |
protocol HIF-KO confirmation
annealing at 59°C, 40 cycles
Very good concentrations were obtained by PCR clearup (Qiagen), no effect of template concentration on product was observed.
8.10.17
Annealing and T7 Assay
- 500 ng per sample in 1x NEB2, each condition double amount annealed (for +/- T7)
- HEKCCR5delta32 / JK KO1 pure / JK KO1:WT ex 6 1:1 / JK WT ex 6 pure / JK KO3 pure / JK KO3:WT ex 5 1:1 / JK WT ex 5 pure
- sample volume adjusted to highest sample volume
- 10 min 95°C in heatblock, closed with parafilm, passive cooldown in heatblock ~ 3 h
T7
- 12 µl annealed DNA per sample mixed on ice with 1.5 µl of 1:1 mix T7E1 and NEB2 2x buffer
- 20 min at 37°C in PCR cycler
- stoped with 6x Orange loading dye on ice
- loaded on 2% agarose EtBr gel with untreated control for each sample
- run at 95 V for 50 min
- positive control did not work
- 500 ng per sample in 1x NEB2
11.10.17
Kryo stocks Cas9-puro gRNA1 and gRNA3
Kryo stocks of puromycin selected, non clonal Jurkat cells were generated according to protocol. From 1 confluent 6 cm dish cryostock was generated by storing cells in 1 ml containing 90% FBS and 10% DMSO. After 2 days at -80°C cells were stored in liquid nitrogen tank.
13.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | Jurkat,WT | HEK,WT | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CoCl2[µM] | 0 | 20 | 40 | 80 | 160 | 320 | la | 0 | 200 | 400 |
cell line | HEK, HRE | Jurkat, HRE | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CoCl2[µM] | 0 | 200 | 400 | la | 0 | 20 | 40 | 80 | 160 | 320 |
15.10.17
Transient AND-gate test
6-well plates of HEK KD134 cells were transfected using PEI to test AND-gate transiently.
PEI transfection protocol
- seed cell one day before transfection, cell density should be 70-80%
- PEI transfection
- mix 3 µg DNA in 100 µl serum-free medium
- mix 9 µg PEI in 100 µl serum-free medium
- incubate both tubes 10 min at room temperature
- add the PEI solution to DNA solution and mix, then incubate 15 min at RT
- remove medium from cells
- add 800 µl serum-free medium to DNA/PEI mixture and add to the cells
- incubate ~3 h at 37°C
- addd 2 ml culture medium to cells
- Change medium after 3-5 h
DNA: 1 µg per plasmid, 3 µg total in each transfection
PEI: 3:1 per DNA, i.e. 9 µg per transfection
KD134
CRE:HIF | HRE:LUC | pUC | |
---|---|---|---|
400 µM CoCl2 | pH7.7 | pH7.1 | pH6.1 |
400 µM CoCl2 | pH7.7 + Forskulin + IBMX | pH7.1 + Forskulin + IBMX | pH6.1 + Forskulin + IBMX |
KD134
CRE:HIF CMV:TDAG HRE:LUC | CRE:HIF HRE:LUC SV40:TDAG | CMV:HIF HRE:LUC pUC | |
---|---|---|---|
0 µM CoCl2 | pH6.5 + Forskulin + IBMX | pH6.5 + Forskulin + IBMX | |
400 µM CoCl2 | pH6.5 + Forskulin + IBMX | pH6.5 + Forskulin + IBMX |
0 µM CoCl2 | HRE:Luc 1:2 pUC | ||
---|---|---|---|
400 µM CoCl2 | HRE:Luc 1:2 pUC |
WT
0 µM CoCl2 | HRE:Luc 1:2 pUC | ||
---|---|---|---|
400 µM CoCl2 | HRE:Luc 1:2 pUC |
16.10.17
Induction of transient AND-gate test
AND-gate was induced 24 h after start of PEI by regulating pH and adding CoCl2 and Forskulin according to schemes above (Forskulin 1:1000 of 100 mM stock, IBMX 1:1000 of 100 mM stock).
17.10.17
Change of all media
All media were changed 12 h after induction, all conditions were added as before to achieve more constant pH induction.
18.10.17
SDS-PAGE
SDS-PAGE was performed as previously.
cell line | WT | KD CRE:HIF, HRE:LUC, SV40:TDAG8 | |||||||
---|---|---|---|---|---|---|---|---|---|
pH | - | 6.5 | 7.7 | 7.1 | 6.5 | 7.7 | 7.1 | 6.5 | - |
CoCl2 [µM] | 400 | 0 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
Ftl | - | + | + | + | + | - | - | - | - |
cell line | WT | KD CRE:HIF, HRE:LUC, CMV:TDAG8 | |||||||
---|---|---|---|---|---|---|---|---|---|
pH | - | 6.5 | 7.7 | 7.1 | 6.5 | 7.7 | 7.1 | 6.5 | - |
CoCl2 [µM] | 400 | 0 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
Ftl | - | + | + | + | + | - | - | - | - |
20.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | WT | WT HRE | HIF1A shRNA2 | HIF1A shRNA2 HRE | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CoCl2 [µM] | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 |
cell line | WT | CRE:HIF1A,HRE:LUC | HIF1A shRNA2 CMV:HIF1A,HRE:LUC | ||||||
---|---|---|---|---|---|---|---|---|---|
CoCl2 [µM] | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 0 | 400 |
pH | 6.5 | 7.1 | 7.7 | 6.5 | 7.1 | 7.7 | |||
Forskolin+IBMX | - | - | - | + | + | + |
23.10.17
Sample preparation, SDS-PAGE and Western Blot
Experiments were performed as described earlier.
cell line | WT | WT CMV:HIF1A | la | WT | WT CMV:HIF1A | WT,CMV:HIF1A_2 | ||||
---|---|---|---|---|---|---|---|---|---|---|
CoCl2 [µM] | 0 | 400 | 0 | 400 | 0 | 400 | 0 | 400 | 400 |
cell line | la | JK HRE, high | |||||||
---|---|---|---|---|---|---|---|---|---|
CoCl2 [µM] | 0 | 5 | 10 | 20 | 40 | 80 | 160 | 320 |