KR102403807B1 - 항암제 반응성 예측용 바이오마커 및 이의 용도 - Google Patents
항암제 반응성 예측용 바이오마커 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2는 펨브롤리주맙에 대한 반응성 예측 유전자 시그니처 및 본 발명에 따른 IMAGiC 점수를 분석한 결과로서, 도 2a는 고형 종양의 반응 평가 기준(Response Evaluation Criteria in Solid Tumors; RECIST)에 근거하여 분류된 반응군(Response) 및 비반응군(Nonresponse) 간에 차등적으로 발현되는 유전자 분석 결과를 보여주는 volcano plot 결과이고, 도 2b는 상기 차등적으로 발현된 유전자들에 대한 농축 분석(Enrichment analysis) 결과를 보여주는 것이며, 도 2c는 환자를 2개 군으로 분류하기 위한 IMAGiC 점수의 컷오프 커브, 및 펨브롤리주맙에 대한 반응성 예측용 IMAGiC 점수의 AUC 커브를 보여주는 것이다.
도 3은 IMAGiC 모델, RECIST 그룹, 엡스타인-바 바이러스 감염여부(EBV) 및 미세부수체 불안정성 여부(MSI) 간의 관련성을 분석한 결과로서, 도 3a는 IMAGiC 모델, RECIST 군, EBV 및 MSI 간의 상관관계를 분석한 결과를 나타낸 것이고, 도 3b 내지 도 3f는 각각 RECIST 군, EBV 서브타입, MSI 서브타입, 돌연변이 부하(Mutational Load; ML) 및 PD-L1 CPS(combined positive score) 상태 간에 IMAGiC 점수를 비교한 Boxplot 결과이다.
도 4는 TCGA 코호트에서 IMAGiC 모델을 검증한 분석 결과로서, 도 4a는 TCGA 코호트에서의 돌연변이 스펙트럼을 보여주는 결과이고, 도 4b는 MSI 서브타입 간에 IMAGiC 점수를 비교한 Boxplot 결과이며, 도 4c는 종양 돌연변이 부하를 통해 분류된 과돌연변이된 그룹과 IMAGiC 점수를 비교한 Boxplot 결과이다.
도 5는 ACRG 코호트에서 IMAGiC 모델을 검증한 분석 결과로서, 도 5a는 ACRG 코호트에서 IMAGiC 그룹(Responder, Nonresponder)간에 전체생존율(Overall survival) 및 무병생존율(Disease-free survival) 차이를 비교한 결과이고, 도 5b 및 도 5c는 각각 ACRG 서브타입(MSI, EMT, MSS/TP53+, MSS/TP53-) 및 MSI 서브타입 간의 IMAGiC 점수를 비교한 Boxplot 결과이다.
도 6은 qRT-PCR 플랫폼을 이용하여 IMAGiC 모델의 재현성을 검증한 결과로서, 도 6a는 IMAGiC 모델, RECIST 군, EBV 및 MSI 간의 상관관계를 분석한 결과를 나타낸 것이고, 도 6b 내지 도 6d는 RECIST 군, MSI 서브타입, 및 ESV 서브타입 간의 IMAGiC 점수를 비교한 Boxplot 결과이다.
| Patients (n=21) | |
| Age (years) | |
| 57 (26-78) | |
| Sex | |
| Male | 16 (76.19%) |
| Female | 5 (23.81%) |
| MSI | |
| MSI | 4 (19.05%) |
| MSS | 17 (80.95%) |
| EBV | |
| Positive | 2 (9.52%) |
| Negative | 19 (90.48%) |
| Response | |
| CR | 2 (9.52%) |
| PR | 4 (19.05%) |
| SD | 5 (23.81%) |
| PD | 10 (47.62%) |
| IMAGiC Group | Responders | Non-responders | p-value |
| (n=125) | (n=135) | ||
| Sex | 0.7102 | ||
| Male | 74 (46.84%) | 84 (53.16%) | |
| Female | 51 (50.00%) | 51 (50.00%) | |
| TCGA subtype | 1.21E-04 | ||
| EBV | 16 (66.67%) | 8 (33.33%) | |
| MSI | 37 (62.71%) | 22 (37.29%) | |
| CIN | 60 (47.62%) | 66 (52.38%) | |
| GS | 12 (23.53%) | 39 (76.47%) | |
| MSI | 0.0159 | ||
| MSI-H | 37 (62.71%) | 22 (37.29%) | |
| MSS | 88 (43.78%) | 113 (56.22%) | |
| EBV | 0.0894 | ||
| Positive | 16 (66.67%) | 8 (33.33%) | |
| Negative | 109 (46.19%) | 127 (53.81%) | |
| Total mutation rate* | 21.2401 (±34.4094) | 12.6771 (±25.5755) | 1.19E-05 |
| IMAGiC Group | Responders | Non-responders | p-value |
| (n=118) | (n=182) | ||
| Sex | 0.0396 | ||
| Male | 87 (43.72%) | 112 (56.28%) | |
| Female | 31 (30.69%) | 70 (69.31%) | |
| ACRG subtype | 1.96E-08 | ||
| MSI | 37 (54.41%) | 31 (45.59%) | |
| EMT | 0 (0.00%) | 46 (100.00%) | |
| MSS/TP53+ | 31 (39.24%) | 48 (60.76%) | |
| MSS/TP53- | 50 (46.73%) | 57 (53.27%) | |
| MSI | 0.0059 | ||
| MSI-H | 37 (54.41%) | 31 (45.59%) | |
| MSS | 81 (34.91%) | 151 (65.09%) | |
| EBV | 0.1116 | ||
| Positive | 3 (16.67%) | 15 (83.33%) | |
| Negative | 106 (41.25%) | 151 (58.75%) | |
| NA | 9 (36.00%) | 16 (64.00%) |
| Sample | TMB (Tumor Mutation Burden) | MSI | EBV | PD-L1 CPS | IMAGiC score | IMAGiC group |
| 1 | 9.27 | MSS | Negative | 0 | 0.9722 | Non-responder |
| 2 | 10.93 | MSS | Negative | 0 | 0.3100 | Non-responder |
| 3 | 3.37 | MSS | Negative | 0 | 1.3076 | Non-responder |
| 4 | 1.68 | MSS | Negative | 0 | 0.3926 | Non-responder |
| 5 | 4.2 | MSS | Negative | 0 | 0.3314 | Non-responder |
| 6 | 3.35 | MSS | Negative | 0 | 0.3534 | Non-responder |
| 7 | 0 | MSS | Negative | 0 | 0.3726 | Non-responder |
| 8 | 3.38 | MSS | Negative | 0 | 0.2417 | Non-responder |
| 9 | 6.75 | MSS | Negative | 0 | 0.2220 | Non-responder |
| 10 | 5.04 | MSS | Negative | 0 | 0.4416 | Non-responder |
| 11 | 2.54 | MSS | Negative | 0 | 1.6643 | Non-responder |
| 12 | 2.52 | MSS | Negative | 0 | 0.2412 | Non-responder |
| 13 | 5.05 | MSS | Negative | 0 | 1.0175 | Non-responder |
| 14 | 5.9 | MSS | Negative | 0 | 0.3310 | Non-responder |
| 15 | 2.53 | MSS | Negative | 0 | 0.7392 | Non-responder |
| 16 | 10.11 | MSI-H | Negative | 1 | 0.3268 | Non-responder |
| 17 | 8.43 | MSS | Negative | 0 | 0.8758 | Non-responder |
Claims (19)
- ARMCX1(Armadillo repeat-containing X-linked protein 1; NCBI 접근 번호: NM_016608), PRKD1(Serine/threonine-protein kinase D1; NCBI 접근 번호: NM_002742) 및 TYK2(Tyrosine Kinase 2; NCBI 접근 번호: NM_003331) 유전자 또는 상기 유전자가 암호화하는 단백질을 포함하는, 항암제 반응성 예측용 마커 조성물로서,
상기 항암제는 펨브롤리주맙(Pembrolizumab)인 것을 특징으로 하는, 마커 조성물.
- 제1항에 있어서,
상기 마커 조성물은 UCHL1(Ubiquitin carboxy-terminal hydrolase L1; NCBI 접근 번호: NM_004181) 유전자 또는 상기 유전자가 암호화하는 단백질을 더 포함하는 것을 특징으로 하는, 마커 조성물.
- 삭제
- 삭제
- 제1항에 있어서,
상기 펨브롤리주맙은 위암, 폐암, 피부암, 두경부암, 호지킨 림프종, 신장암 및 요로상피세포암으로 이루어진 군에서 선택되는 하나 이상의 암종의 치료에 이용되는 것을 특징으로 하는, 마커 조성물.
- ARMCX1(Armadillo repeat-containing X-linked protein 1; NCBI 접근 번호: NM_016608), PRKD1(Serine/threonine-protein kinase D1; NCBI 접근 번호: NM_002742) 및 TYK2(Tyrosine Kinase 2; NCBI 접근 번호: NM_003331) 유전자의 mRNA 또는 상기 유전자가 암호화하는 단백질 수준을 측정하는 제제를 포함하는, 항암제 반응성 예측용 조성물로서,
상기 항암제는 펨브롤리주맙(Pembrolizumab)인 것을 특징으로 하는, 조성물.
- 제6항에 있어서,
상기 조성물은 UCHL1(Ubiquitin carboxy-terminal hydrolase L1; NCBI 접근 번호: NM_004181) 유전자의 mRNA 또는 상기 유전자가 암호화하는 단백질 수준을 측정하는 제제를 더 포함하는 것을 특징으로 하는, 조성물.
- 삭제
- 삭제
- 제6항에 있어서,
상기 펨브롤리주맙은 위암, 폐암, 피부암, 두경부암, 호지킨 림프종, 신장암 및 요로상피세포암으로 이루어진 군에서 선택되는 하나 이상의 암종의 치료에 이용되는 것을 특징으로 하는, 조성물.
- 제6항 또는 제7항에 있어서,
상기 유전자의 mRNA 수준을 측정하는 제제는 유전자의 mRNA에 상보적으로 결합하는 센스 및 안티센스 프라이머, 또는 프로브인 것을 특징으로 하는, 조성물.
- 제6항 또는 제7항에 있어서,
상기 단백질 수준을 측정하는 제제는 상기 유전자가 암호화하는 단백질에 특이적으로 결합하는 항체인 것을 특징으로 하는, 조성물.
- 제6항 또는 제7항의 조성물을 포함하는, 항암제 반응성 예측용 키트로서,
상기 항암제는 펨브롤리주맙(Pembrolizumab)인 것을 특징으로 하는, 키트.
- 피검자 유래의 생물학적 시료에서 ARMCX1(Adrmadillo repeat-containing X-linked protein 1; NCBI 접근 번호: NM_016608), PRKD1(Serine/threonine-protein kinase D1; NCBI 접근 번호: NM_002742) 및 TYK2(Tyrosine Kinase 2; NCBI 접근 번호: NM_003331) 유전자의 mRNA 또는 상기 유전자가 암호화하는 단백질 수준을 측정하는 단계를 포함하는, 항암제 반응성 예측을 위한 정보제공방법으로서,
상기 항암제는 펨브롤리주맙(Pembrolizumab)인 것을 특징으로 하는, 정보제공방법.
- 제14항에 있어서,
상기 정보제공방법은 UCHL1(Ubiquitin carboxy-terminal hydrolase L1; NCBI 접근 번호: NM_004181) 유전자의 mRNA 또는 상기 유전자가 암호화하는 단백질 수준을 측정하는 단계를 더 포함하는 것을 특징으로 하는, 정보제공방법.
- 제14항 또는 제15항에 있어서,
상기 mRNA 수준은 나노스트링 엔카운터 분석(NanoString nCounter analysis), 중합효소연쇄반응(PCR), 역전사 중합효소연쇄반응(RT-PCR), 실시간 중합효소연쇄반응(Real-time PCR), RNase 보호 분석법(RNase protection assay; RPA), 마이크로어레이(microarray), 및 노던 블롯팅(northern blotting)으로 이루어진 군으로부터 선택되는 1종 이상의 방법을 통해 측정되는 것을 특징으로 하는, 정보제공방법.
- 제14항 또는 제15항에 있어서,
상기 단백질 수준은 웨스턴 블롯팅(western blotting), 방사선면역분석법(radioimmunoassay; RIA), 방사 면역 확산법(radioimmunodiffusion), 효소면역분석법(ELISA), 면역침강법(immunoprecipitation), 유세포분석법(flow cytometry), 면역형광염색법(immunofluorescence), 오우크테로니(ouchterlony), 보체 고정 분석법(complement fixation assay), 및 단백질 칩(protein chip)으로 이루어진 군으로부터 선택되는 1종 이상의 방법을 통해 측정되는 것을 특징으로 하는, 정보제공방법.
- 제14항에 있어서,
상기 생물학적 시료는 암 환자유래 조직인 것을 특징으로 하는, 정보제공방법.
- 제18항에 있어서,
상기 조직은 파라핀에 포매된 조직(paraffin-embedded tissue)인 것을 특징으로 하는, 정보제공방법.
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| PCT/KR2019/016866 WO2020149523A1 (ko) | 2019-01-17 | 2019-12-02 | 항암제 반응성 예측용 바이오마커 및 이의 용도 |
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