KR101921676B1 - Tesk1 억제제를 포함하는 항암제 내성 억제용 조성물 및 tesk1 억제제의 스크리닝 방법 - Google Patents
Tesk1 억제제를 포함하는 항암제 내성 억제용 조성물 및 tesk1 억제제의 스크리닝 방법 Download PDFInfo
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- KR101921676B1 KR101921676B1 KR1020160034101A KR20160034101A KR101921676B1 KR 101921676 B1 KR101921676 B1 KR 101921676B1 KR 1020160034101 A KR1020160034101 A KR 1020160034101A KR 20160034101 A KR20160034101 A KR 20160034101A KR 101921676 B1 KR101921676 B1 KR 101921676B1
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Abstract
Description
1A: 모세포주 및 저항성 세포주의 PLX4032의 농도별 생존 곡선을 측정한 결과를 나타낸 그래프이다.
1B: 저항성 세포주에서 BRAF V600E(c.1799T>A) 변이를 확인한 서열분석 결과이다.
1C: BrdU incorporation을 분석한 면역형광 실험 결과이다.
1D: 1C의 결과를 정량화한 그래프이다.
1E: SOX10 및 MITF의 발현양을 모세포주와 저항성 세포주에서 측정한 qRT-PCR 결과이다.
1F: 모세포주와 저항성 세포주에서 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
도2는 PLX4032 저항성 세포주가 액틴 세포골격 리모델링이 된다는 것을 확인한 결과이다.
2A: 저항성 세포주의 모양 변화를 관찰한 사진이다.
2B: 모세포주 및 저항성 세포주의 세포 윤곽(boundaries)을 관찰한 면역형광 염색 사진이다.
2C: 2B에서 관찰한 세포 영역을 정량화한 그래프이다.
2D: phalloidin-AlexaFluor594로 염색한 액틴 섬유를 관찰한 사진이다.
2E: 2D에서 염색한 세포주를 Z-축에서 관찰한 사진이다.
2F: 모세포주에 PLX4032(2μM)를 처리한 다음 시간에 따른 액틴 섬유의 변화를 관찰한 형광 사진이다.
2G: 발현 마이크로어레이 분석 결과이다.
도3은 PLX-4032 저항성 흑색종 세포주가 YAP/TAZ의 핵 내 분포(localization) 및 전사활성이 모두 증가한다는 것을 확인한 결과이다.
3A: 모세포주 및 저항성 세포주에서 YAP/TAZ의 위치를 항체로 나타낸 면역형광 사진이다.
3B: 3A의 결과를 정량화한 그래프이다.
3C: 모세포주에 PLX4032(2μM)를 처리한 다음, 정해진 시간이 지난후, YAP/TAZ 항체로 YAP/TAZ의 위치를 관찰한 면역형광 사진이다.
3D: 3C의 결과를 정량화한 그래프이다.
3E: 세포핵과 세포질로 분리한 다음, 각 목적 단백질의 웨스턴 블로팅 결과이다.
3F: 3E의 밴드 세기를 정량화한 그래프이다.
3G: YAP/TAZ 유전자의 타겟 유전자들의 발현 양상을 분석한 qRT-PCR 분석 결과이다.
3H: YAP/TAZ의 전사활성을 분석한 루시퍼레이즈 활성분석 결과이다.
3I: YAP singature 유전자들의 GSEA 분석 결과이다.
도 4는 YAP/TAZ 녹다운에 의한 PLX4032 내성 흑색종 세포주의 성장 억제 효과를 확인한 결과이다.
4A: YAP/TAZ 녹다운 이후, 모세포주 및 저항성 세포주에서 PLX4032의 농도에 따른 생존률을 측정한 그래프이다.
4B: YAP/TAZ siRNA #1을 이용한 녹다운 이후, 시간에 따른 세포 생장률(cell viability)을 측정한 그래프이다.
4C: BruU-incorporation 결과를 분석한 면역형광 사진이다.
4D: 4C의 결과를 정량화한 그래프이다.
4E: siRNA를 처리한 이후, 각 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
4F: PLX4032(PLX, 2μM), Erlotinib(Erl, 2.5μM), MK-2206(2.5μM) 또는 이들의 혼합물을 PLX4032 저항성 세포주(SKMEL28)에 처리한 다음, 세포 생존률을 측정한 결과이다.
4G: 저항성 세포주(SKMEL28)에 각 siRNA를 처리한 다음, CCK8 assay를 통해 세포 생존률을 측정한 결과이다.
도 5는 YAP-5SA에 의해 모 흑색종 세포주에서 PLX4032 저항성이 유도되는 것을 확인한 결과이다.
5A: 야생형 YAP 또는 YAP-5SA를 발현하는 모세포주에서 PLX4032의 농도에 따른 반응성을 측정한 그래프이다.
5B: 야생형 YAP 또는 YAP-5SA를 발현하는 모세포주에 PLX4032(2μM) 또는 DMSO를 24시간동안 처리한 다음, 각 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
5C: 야생형 YAP 또는 YAP-5SA가 도입되거나, 아무것도 도입하지 않은 세포주에서 YAP 타겟 유전자들의 발현양을 측정한 qRT-PCR 분석 결과이다.
도 6은 YAP/TAZ 녹다운에 의해, EGFR, E2F1 및 c-MYC pathway 관련 유전자들의 발현이 저항성 세포주에서 감소하는 것을 확인한 결과이다.
6A: 저항성 세포주에서 YAP/TAZ 녹다운에 의해 의미있는 정도로 발현이 감소한 유전자들을 나타낸 밴 다이어그램이다.
6B: YAP/TAZ 녹다운에 의해 발현이 감소한 유전자들의 유전자 ontology 분석 결과이다.
6C: YAP/TAZ 녹다운에 의해 발현이 감소한 유전자들의 프로모터 지역에서 의미있게 존재하는 전사 모티프를 분석한 결과이다.
6D: YAP/TAZ 녹다운에 의해 발현이 감소한 유전자들의 GSEA 분석 결과이다.
6E: YAP/TAZ 녹다운 이후, YAP, E2F1, EGFR 및 c-MYC pathway 관련 유전자들의 발현이 감소한 것을 나타내는 GSEA 분석 결과이다.
6F: E2F1, EGFR 및 c-MYC pathway 관련 GSEA 분석에서 10개씩 가장 많이 발현 양상이 변화한 유전자들을 나타낸 heatmap 이다.
도 7은 PLX4032 저항성 세포주에서 YAP 활성화가 액틴 스트레스 섬유의 형성 및 액토마이오신 수축에 의해 일어나는 것을 확인한 결과이다.
7A: 저항성 세포주를 패턴이 없는 슬라이드(대조군) 또는 피브로넥틴이 코팅된 마이크로패턴 슬라이드에 주입하고 phalloidin-AlexaFluor594 및 항-YAP/TAZ 항체로 이중 염색한 형광 현미경 사진이다.
7B: 7A의 결과를 정량화한 그래프이다.
7C: 각각의 약제를 저항성 세포주에 처리한 다음 YAP/TAZ 및 액틴 섬유를 염색한 형광 현미경 사진이다.
7D: 7C의 결과를 정량화한 그래프이다.
7E: PLX4032(2μM), Cytochalasin D(200nM), Blebbistatin(50μM) 또는 이들의 조합을 저항성 세포주에 처리한 다음, 세포 생존률을 측정한 결과이다.
7F: Cytochalasin D(200nM) 또는 Blebbistatin(50μM)을 저항성 세포주에 처리한 다음, YAP 타겟 유전자들의 발현을 분석한 qRT-PCR 결과이다.
7G: PLX4032(2μM), Cytochalasin D(200nM), Blebbistatin(50μM) 또는 이들의 조합을 YAP5SA 또는 아무것도 도입하지 않은 저항성 세포주에 처리한 다음, 세포 생존률을 측정한 결과이다.
도 8은 kinome siRNA 라이브러리 스크리닝으로 찾은 TESK1 유전자에 의한 PLX4032 저항성 흑색종 세포주의 저항성 억제를 확인한 결과이다.
8A: 저항성 세포주에서 합성치사(synthetic lethal) 타겟 유전자를 발굴하기 위한 kinome siRNA 라이브러리 스크리닝 과정을 간략히 나타낸 모식도이다.
8B: siRNA 처리후, 평준화 한 세포 생존률을 나타낸 Z 점수 그래프로서, Z 점수가 2 미만인 siRNA 타겟 유전자들이 합성치사 타겟이다.
8C: TESK1 siRNA 도입 후, 저항성 세포주에서 TESK1 mRNA가 녹다운 된 것을 확인한 qRT-PCR 분석 결과이다.
8D: 표시된 siRNA로 처리한 다음 세포 생존률을 분석한 결과이다.
8E: 표시된 siRNA를 저항성 세포주에 처리한 다음, YAP/TAZ 및 액틴 섬유를 염색한 형광 현미경 사진이다.
8F: 8E의 YAP/TAZ의 분포를 정량화한 그래프이다.
8G: YAP/TAZ 타겟 유전자(ANKRD1, CTGF 및 CYR61) 및 TESK1의 발현양을 분석한 qRT-PCR 결과이다.
도 9는 모세포주와 저항성 세포주의 발현 양상을 비교하여, 액틴 세포골격 조절과 관련된 유전자들의 발현 양상이 변화한 것을 확인한 결과이다.
9A: 발현 마이크로어레이 분석 결과, 저항성 세포주에서 의미있게 변화한 유전자들의 개수를 측정한 밴 다이어그램이다.
9B: 유전자 ontology 분석 결과이다.
도 10은 저항성 세포주에서 YAP/TAZ의 핵 내 분포 및 YAP signature 유전자들의 발현 모두 증가한다는 것을 확인한 결과이다.
10A: 모세포주 및 저항성 세포주에서 YAP/TAZ의 분포를 나타내는 면역형광 현미경 사진이다.
10B: 10A의 결과를 정량화한 그래프이다.
10C: 모세포주에 PLX4032(2μM)를 처리한 다음, 정해진 시간이 지난 후에 항-YAP/TAZ 항체로 YAP/TAZ의 위치를 검출한 면역형광 현미경 사진이다.
10D: 10C의 결과를 정량화한 그래프이다.
10E: 기존의 공지된 발현 데이터셋(GSE55583, GSE44753 및 GSE35230)에서 모세포주 및 BRAF 저해제 내성 흑색종 세포주의 YAP/TAZ 타겟 유전자(ANKRD1, CTGF 및 CYR61)의 발현 양상을 비교한 것이다.
10F: GSEA 분석을 통해 발현이 증가된 YAP sinature 유전자들을 나타낸 heatmap 이다.
도 11은 YAP/TAZ 녹다운 확인 및 모세포주와 저항성 세포주에 YAP/TAZ 녹다운에 의한 민감성을 측정한 결과이다.
11A: 모세포주 및 저항성 세포주에서 YAP/TAZ를 녹다운 한 다음, PLX4032의 농도별 반응성을 측정한 세포생존률 그래프이다.
11B: YAP/TAZ 녹다운 이후, 시간에 따른 새포 생존률을 측정한 그래프이다.
11C: 도 4C와 같은 방식으로 처리한 세포에서 BrdU assay의 결과를 정량화한 그래프이다.
11D: YAP/TAZ siRNA 또는 대조군 siRNA로 처리한 저항성 세포주에서 세포 생존률을 분석한 결과이다.
11E: 각 세포주에 PLX4032 또는 DMSO를 24시간 처리한 다음, 각 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
11F: siRNA 또는 siRNA 저항성인 flag-YAP-5SA 레트로바이러스를 처리한 저항성 세포주에서 세포 생존율을 분석한 결과이다.
11G: HEK293T 세포주에 siRNA 저항성인 Flag-YAP5SA를 도입한 다음, 각 단백질을 검출한 웨스턴 블로팅 결과이다.
도 12는 YAP/TAZ 녹다운이 저항성 세포주에서 c-MYC 발현을 억제하는 결과 및 AKT 억제가 저항성 세포주의 생존률을 억제하는 것을 확인한 결과이다.
12A: 저항성 세포주에서 c-MYC의 발현양상을 측정한 면역형광 현미경 사진이다.
12B: 저항성 세포주에서 YAP/TAZ 타겟 유전자 및 c-MYC의 발현을 분석한 qRT-PCR 결과이다.
12C: PLX4032(PLX, 2μM), Erlotinib(Erl, 2.5μM), MK-2206(2.5μM) 또는 이들의 혼합물을 PLX4032 저항성 세포주에 처리한 다음, 세포 생존률을 분석한 결과이다.
12D: 각각의 siRNA를 처리한 다음, c-MYC 단백질을 검출한 웨스턴 블로팅 결과이다.
12E: 각각의 siRNA를 5일간 처리한 다음, 저항성 WM3248 세포주의 생존률을 분석한 결과이다.
12F: MSCV-mock 또는 MSCV-c-MYC를 주입한 다음 48시간이 지난후, c-MYC단백질을 검출한 웨스턴 블로팅 결과이다.
12G: 각각의 레트로바이러스로 감염시킨 후, 각각의 siRNA를 주입한 다음, 저항성 세포주에서 세포 생존률을 분석한 결과이다.
도 13은 TESK1 녹다운에 의한 인산화-코필린 단백질 양의 감소 및 YAP-5SA에 의해 TESK 녹다운으로 발생한 저항성 세포주의 세포 생존률 감소가 회복되는 것을 확인한 결과이다.
13A: 컨트롤 siRNA 또는 TESK1 siRNA를 60시간 동안 처리한 다음, 저항성 세포주에서 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
13B: 항-코필린 및 항-인산화-코필린 항체를 이용하여 siRNA를 처리한 저항성 세포주에서 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
13C: mock 또는 YAP-5SA 레트로바이러스로 감염시킨 다음, 각각의 siRNA를 처리한 저항성 세포주의 세포 생존률을 분석한 결과이다.
13D: 모세포주와 저항성 세포주에서 TESK1의 발현량을 분석한 qRT-PCR 결과이다.
13E: 모세포주와 저항성 세포주에 DMSO 또는 PLX4032(2μM)을 처리한 다음, 목적 단백질을 검출한 웨스턴 블로팅 결과이다.
13F: TCGA 데이터베이스에서 인간 흑색종 암 샘플에서 발생하는 TESK1의 변이를 정리한 cBioPortal oncomap이다.
siRNA mame | Sense 서열 | Knockdown 확인 | 서열번호 |
TESK1 si#1 | 5'-GACCCGUCCUCAAUAACAA dTdT-3' | qRT-PCR | 1 |
TESK1 si#2 | 5'-UGAACAAGCUCCCCAGUAA dTdT-3' | qRT-PCR | 2 |
YAP si#1 | 5'-GACAUCUUCUGGUCAGAGA dTdT-3' | WB | 3 |
TAZ si#1 | 5'-ACGUUGACUUAGGAACUUU dTdT-3' | WB | 4 |
YAP si#2 | 5'-CUGGUCAGAGAUACUUCUU dTdT-3' | WB | 5 |
TAZ si#2 | 5'-AGGUACUUCCUCAAUCACA dTdT-3' | WB | 6 |
c-MYC si#1 | 5'-AACGUUAGCUUCACCAACA dTdT-3' | WB | 7 |
c-MYC si#2 | 5'-CGAUGUUGUUUCUGUGGAA dTdT-3' | WB | 8 |
유전자 | 프라이머 이름 | 서열 | 서열번호 |
GAPDH | GAPDH F | CAACGGATTTGGTCGTATTG | 9 |
GAPDH R | GCAACAATATCCACTTTACCAGAGTTAA | 10 | |
ANKRD1 | ANKRD1 F | AGTAGAGGAACTGGTCACTGG | 11 |
ANKRD1 R | TGGGCTAGAAGTGTCTTCAGAT | 12 | |
c-MYC | c-MYC F | CTTCTCTCCGTCCTCGGATTCT | 13 |
c-MYC R | GAAGGTGATCCAGACTCTGACCTT | 14 | |
CTGF | CTGF F | AGGAGTGGGTGTGTGACGA | 15 |
CTGF R | CCAGGCAGTTGGCTCTAATC | 16 | |
CYR61 | CYR61 F | CAGGACTGTGAAGATGCGGT | 17 |
CYR61 R | GCCTGTAGAAGGGAAACGCT | 18 | |
SOX10 | SOX10 F | CTTTCTTGTGCTGCATACGG | 19 |
SOX10 R | AGCTCAGCAAGACGCTGG | 20 | |
MITF | MITF F | CCGTCTCTCACTGGATTGGT | 21 |
MITF R | TGGGTCTGCACCTGATAGTG | 22 | |
TESK1 | TESK1 F | AGGTCTACAAGGTTCGGCAC | 23 |
TESK1 R | GTGCACACAGACTCCCATGA | 24 |
Claims (12)
- TESK1에 특이적인 siRNA를 유효성분으로 포함하는 항암제 내성 억제용 조성물.
- 삭제
- 삭제
- 제1항에 있어서, 상기 siRNA는 서열번호 1 또는 서열번호 2로 표시되는 서열을 센스가닥으로 가지고 이에 대한 상보적 서열을 포함하는 안티센스 가닥으로 이루어진 siRNA인 것을 특징으로 하는 항암제 내성 억제용 조성물.
- 다음 단계를 포함하는 항암제 내성을 억제하는 물질의 스크리닝 방법:
(a) 후보물질을 TESK1 유전자가 도입된 세포에 접촉시키는 단계;
(b) TESK1의 발현 수준을 측정하는 단계; 및
(c) TESK1의 발현 수준을 억제하는 후보물질을 항암제 내성을 억제하는 물질로 선택하는 단계.
- 다음 단계를 포함하는 항암제 내성을 억제하는 물질의 스크리닝 방법:
(a) 후보물질을 TESK1 유전자가 도입된 세포에 접촉시키는 단계;
(b) TESK1에 의해 매개되는 인산화된 cofilin 단백질의 양을 측정하는 단계; 및
(c) 인산화된 cofilin 단백질의 양을 감소시키는 후보물질을 항암제 내성을 억제하는 물질로 선택하는 단계.
- 제5항 또는 제6항에 있어서, 상기 후보 물질은 천연 화합물, 합성 화합물, DNA, RNA, 펩티드, 효소, 리간드, 세포 추출물 또는 포유동물의 분비물인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 항암제 내성은 액틴 리모델링에 의해 발생하는 것을 특징으로 하는 항암제 내성 억제용 조성물.
- 제1항에 있어서, 상기 항암제는 BRAF 저해제인 것을 특징으로 하는 항암제 내성 억제용 조성물.
- 제9항에 있어서, 상기 BRAF 저해제는 PLX4032(vemurafenib), Dabrafenib (GSK2118436), RAF265, sorafenib, SB590885, PLX 4720, GDC-0879 및 ZM 336372로 구성된 군에서 선택되는 하나 이상인 것을 특징으로 하는 항암제 내성 억제용 조성물.
- 제1항에 있어서, 상기 암은 흑색종, 갑상선암, 간암, 교세포종, 난소암, 대장암, 두경부암, 방광암, 신장세포암, 위암, 유방암, 전이암, 전립선암, 췌장암 및 폐암으로 구성된 군에서 선택되는 것을 특징으로 하는 항암제 내성 억제용 조성물.
- 제5항 또는 제6항에 있어서, 상기 세포는 SKMEL28, WM3248, A375, Colo829, M14, M238 및 M288로 구성된 군에서 선택되는 것을 특징으로 하는 항암제 내성을 억제하는 물질의 스크리닝 방법.
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