KR101367568B1 - Abc 수송체 조절을 통한 퇴행성신경질환에서 이상단백질 조절 - Google Patents
Abc 수송체 조절을 통한 퇴행성신경질환에서 이상단백질 조절 Download PDFInfo
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Abstract
본 발명은 퇴행성 신경질환에 대한 새로운 발병기전을 확립할 수 있으며, 아직까지 치료 약물이 없었으나 새로운 발병기전을 기반으로 새로운 신경질환 치료방법 및 효과적인 약물 발굴과 치료제 개발방법 및 약학적 조성물을 제공한다. 또한 본 발명은 퇴행성 신경질환 외 ABC 수송체 이상에 의한 질환의 예방 또는 치료에도 효과적이다.
Description
도 2는 헌팅턴병 유전자 변형 동물 모델에서 유래한 신경줄기세포의 분화능을 보여주는 면역현광 염색결과이다(MAP2 & Tuj1;neuron, GFAP;astrocyte, O4; oligodendrocyte).
도 3은 헌팅턴병 유전자 변형 동물 모델에서 유래한 신경줄기세포를 분화 유도 후 돌연변이 헌팅틴 응집에 반응하는 항체(Em48)를 이용한 면역현광 염색결과 이다(Blue; Dapi, Red; Em48-돌연변이 헌팅틴 응집).
도 4는 헌팅턴병 in vitro 모델에서 분화과정에 따른 돌연변이 헌팅틴 단백질의 응집을 형광염색(Red)한 도면이다.
도 5는 헌팅턴병 in vitro 모델에서 다제내성 단백질 발현을 조사하는 결과로서, 분화되었을 경우 단재내성 단백질의 발현이 감소되는 것을 보여주는 도면이다.
도 6은 다제내성 단백질(MDR)의 기능과 저해제를 통한 물질 이동에 대한 모식도이다.
도 7은 헌팅턴병 in vitro 모델에서 다제내성 단백질의 efflux 실험으로서 세포가 분화했을 경우 다제내성 단백질의 기능이 저하되는 현상을 보여주는 결과이다.
도 8은 헌팅턴병 in vitro 모델에서 다제내성 단백질을 저해하였을 경우 돌연변이 헌팅틴의 응집이 증가하는 것을 보여주는 결과이다.
도 9는 헌팅턴병 in vitro 모델에서 microRNA27a를 처리한 경우 돌연변이 헌팅틴의 응집이 감소하는 것을 보여주는 결과이다(둥근 원부분이 헌팅틴 응집이 일어난 세포임).
도 10은 헌팅턴병 in vitro 모델에서 microRNA27a를 처리한 경우 돌연변이 헌팅틴의 응집이 감소하는 정도를 수치화한 결과 그래프이다(Em48/Dapi: 돌연변이 헌팅틴 단백질 응집에 특이적으로 반응하는 Em48로 염색된 부분과 DAPI(4',6-diamidino-2-phenylindole)로 염색된 부분의 비율).
Claims (10)
- 삭제
- 다음의 단계를 포함하는 퇴행성 신경질환 예방 또는 치료 물질 스크리닝 방법.
a) 헌팅턴병 모델 생쥐의 분화된 신경 세포에 후보물질을 접촉시키는 단계; 및
b) 상기 후보물질을 접촉시킨 신경세포 및 후보물질을 접촉시키지 아니한 신경세포의 ABC 수송체 활성 및 발현량을 측정하는 단계.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- microRNA27a(accession No NR_029501)을 유효성분으로 함유하는 헌팅턴 병 예방 또는 치료용 조성물.
- 제9항에 있어서, 상기 microRNA27a는 서열번호 1로 표시되는 RNA인 것을 특징으로 하는 조성물.
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KR20090118956A (ko) * | 2007-02-06 | 2009-11-18 | 유태준 | 유전자 요법을 사용한 신경퇴행성 질환의 치료 및 예방 |
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KR20090118956A (ko) * | 2007-02-06 | 2009-11-18 | 유태준 | 유전자 요법을 사용한 신경퇴행성 질환의 치료 및 예방 |
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