KR102178432B1 - 침윤성 뇌암의 진단용 조성물 - Google Patents
침윤성 뇌암의 진단용 조성물 Download PDFInfo
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- KR102178432B1 KR102178432B1 KR1020190055713A KR20190055713A KR102178432B1 KR 102178432 B1 KR102178432 B1 KR 102178432B1 KR 1020190055713 A KR1020190055713 A KR 1020190055713A KR 20190055713 A KR20190055713 A KR 20190055713A KR 102178432 B1 KR102178432 B1 KR 102178432B1
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Abstract
Description
도 2의 A 내지 C는 본 발명의 일 실시예에 따른 침윤성이 높은(High inv.) 교모세포종 종양구와, 침윤성이 낮은(Low inv.) 교모세포종 종양구 간의 유전자 발현 수준을 유전자 프로파일링 분석 방법을 통해 비교한 결과를 나타낸 것이다.
도 3의 A 및 B는 본 발명의 일 실시예에 따른 침윤성과 관련된 유전자의 상호작용과, 상기 유전자의 돌연변이 비율을 확인한 결과를 나타낸 것이다.
도 4의 A 및 B는 본 발명의 일 실시에에 따른 교모세포종 종양구 형성을 확인한 결과와(도 4의 A), 교모세포종 종양구의 침윤성을 확인한 결과를 나타내며(도 4의 B), 도 4의 C는 본 발명의 일 실시예에 따른 교모세포종 종양구에서 단백질의 발현 수준을 웨스턴 블롯 분석을 통해 확인한 결과를 나타낸 것이다.
도 5의 A 및 B는 교모세포종 종양구 이식 쥐 및 교모세포종 환자의 생존율 분석 결과를 나타낸 것이다.
| 특징 | 침윤성 낮음 (n = 15) |
침윤성 높음 (n = 8) |
| 나이 (평균) | 61 | 54.5 |
| 성별 (남성/여성) | 9/6 | 5/3 |
| IDH1 유전자 돌연변이 | 0 | 0 |
| 1p19q 코-결실(co-deletion) | 0 | 0 |
| MGMT 유전자 프로모터에 메틸화(methylation in promoter) | 4 | 2 |
| EGFR 증폭(amplification) | 11 | 4 |
| Ki-67 발현 수준 (평균) | 17.5 | 35 |
| 전체 생존율 (평균) | 11.92 | 7.52 |
Claims (17)
- PCBP1(Poly(RC) Binding Protein 1) 단백질 또는 이를 암호화하는 유전자의 발현 수준을 측정하는 제제를 포함하는, 침윤성 뇌암의 진단용 조성물로,
상기 뇌암은 교모세포종(Glioblastoma)인 것인, 침윤성 뇌암의 진단용 조성물. - 삭제
- 제 1항에 있어서,
상기 뇌암은 암 종양구인 것인, 침윤성 뇌암의 진단용 조성물. - 제 1항에 있어서,
상기 단백질의 발현 수준을 측정하는 제제는 상기 단백질에 특이적으로 결합하는 항체 또는 앱타머인 것인, 침윤성 뇌암의 진단용 조성물. - 제 1항에 있어서,
상기 유전자의 발현 수준을 측정하는 제제는 프라이머 쌍 또는 프로브인 것인, 침윤성 뇌암의 진단용 조성물. - 제 1항, 제 3항 내지 제 5항 중 어느 한 항의 조성물을 포함하는 침윤성 뇌암의 진단용 키트.
- 목적하는 개체로부터 분리된 생물학적 시료에서,
PCBP1 단백질 또는 이를 암호화하는 유전자의 발현 수준을 측정하는 단계를 포함하는, 침윤성 뇌암을 예측하기 위한 정보 제공 방법으로,
상기 뇌암은 교모세포종인 것인, 침윤성 뇌암을 예측하기 위한 정보 제공 방법. - 제 7항에 있어서,
상기 목적하는 개체로부터 분리된 생물학적 시료에서 측정된 상기 PCBP1 단백질 또는 이를 암호화하는 유전자의 발현 수준이 정상 대조군에 비하여 낮은 경우, 상기 목적하는 개체의 뇌암이 침윤성이 높을 것으로 예측하는 것인, 침윤성 뇌암을 예측하기 위한 정보 제공 방법. - 제 7항에 있어서,
상기 단백질의 발현 수준을 측정하는 단계는 웨스턴블랏, ELISA, 방사선면역분석, 면역확산법, 면역 전기영동, 조직 면역염색, 면역침전 분석법, 보체 고정 분석법, FACS, 질량분석, MRM 분석 및 단백질 마이크로어레이로 구성된 군으로부터 선택되는 적어도 하나를 통해 측정하는 것인, 침윤성 뇌암을 예측하기 위한 정보 제공 방법. - 제 7항에 있어서,
상기 유전자의 발현 수준을 측정하는 단계는 중합효소연쇄반응, 역전사 중합효소연쇄반응, 경쟁적 중합효소연쇄반응, Nuclease 보호 분석(RNase, S1 nuclease assay), in situ 교잡법, 핵산 마이크로어레이 및 노던블랏으로 구성된 군으로부터 선택되는 적어도 하나를 통해 측정하는 것인, 침윤성 뇌암을 예측하기 위한 정보를 제공하는 방법. - PCBP1 단백질 또는 이를 암호화하는 유전자의 발현 수준을 측정하는 제제를 포함하는, 뇌암의 예후 예측용 조성물로,
상기 뇌암은 교모세포종인 것인, 뇌암의 예후 예측용 조성물. - 삭제
- 제 11항에 있어서,
상기 뇌암은 암 종양구인 것인, 뇌암의 예후 예측용 조성물. - 제 11항 및 제 13항 중 어느 한 항을 포함하는 뇌암의 예후 예측용 키트.
- 뇌암 환자로부터 분리된 생물학적 시료에 목적하는 후보물질을 처리하는 단계; 및
상기 생물학적 시료에서 PCBP1 단백질 또는 이를 암호화하는 유전자의 발현 수준을 확인하는 단계를 포함하는, 침윤성 뇌암 치료제의 스크리닝 방법으로,
상기 뇌암은 교모세포종인 것인, 침윤성 뇌암 치료제의 스크리닝 방법. - 제 15항에 있어서,
상기 후보물질을 처리한 뒤, 상기 생물학적 시료에서 측정된 PCBP1 단백질 또는 이를 암호화하는 유전자의 발현 수준이 증가되는 경우, 침윤성 뇌암의 치료제로 선별하는 단계를 더 포함하는 것인, 침윤성 뇌암 치료제의 스크리닝 방법. - 삭제
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| PCT/KR2019/011921 WO2020230957A1 (ko) | 2019-05-13 | 2019-09-16 | 침윤성 뇌암의 진단용 조성물 |
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| FI121959B (fi) * | 2008-05-09 | 2011-06-30 | Pirjo Laakkonen | Aivokasvaimiin hakeutuva peptidi |
| US20180355359A1 (en) * | 2015-11-10 | 2018-12-13 | Sd Genomics Co., Ltd. | Methods for determining resistance to anticancer therapy and composition used therefor |
| KR101925125B1 (ko) * | 2016-06-16 | 2018-12-04 | 울산대학교 산학협력단 | Nckap1을 유효성분으로 포함하는 대장암 진단 또는 대장암 전이 예후 예측용 바이오마커 조성물 |
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| Title |
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| Jihua Guo et al., 'Splicing factor poly(rC)-binding protein 1 is a novel and distinctive tumor suppressor', J Cell Physiol., (2018.08.21.), Vol. 234, pp 33-41. 1부.* * |
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