KR102442670B1 - 조발성 알츠하이머의 치료제 스크리닝용 조성물 및 스크리닝 방법 - Google Patents
조발성 알츠하이머의 치료제 스크리닝용 조성물 및 스크리닝 방법 Download PDFInfo
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Abstract
Description
도 1b는 일 구체예에 따른 알츠하이머 환자의 유전자형을 분석한 결과를 나타낸다.
도 1c는 일 구체예에 따른 알츠하이머 환자의 뇌 MRI 결과를 나타낸 사진이다.
도 1d는 일 구체예에 따른 알츠하이머 환자 뇌의 FDG-PET 결과를 나타낸 사진이다.
도 2a는 일 구체예에 따른 알츠하이머 환자 유래 PS1-S170F iPSC에서 발현하는 줄기세포 마커를 확인한 확인한 결과이다.
도 2b는 일 구체예에 따른 알츠하이머 환자 유래 PS1-S170F iPSC-유래 뉴런에서 발현하는 일반 신경전구세포, 신경 마커 및 피질 신경 세포 마커를 확인한 확인한 결과이다.
도 2c 및 2d는 일 구체예에 따른 알츠하이머 환자 유래 PS1-S170F iPSC-유래 뉴런의 기능적 특성을 확인한 결과이다.
도 3a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 분비하는 Aβ40 및 Aβ42 수준을 측정한 그래프이다.
도 3b는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런의 Aβ 침전물의 발현을 나타낸다.
도 3c는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런의 세포 내 Aβ40 및 Aβ42 수준을 측정한 그래프이다.
도 4a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 발현하는 AT8을 면역세포 화학으로 분석한 결과를 나타난다.
도 4b는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 발현하는 AT8을 정량화한 그래프이다.
도 5a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런의 미토콘드리아 움직임을 Kymograph로 나타낸 결과이다.
도 5b는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런의 미토콘드리아 전방 및 후방 속도의 평균을 나타낸 그래프이다.
도 5c는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 발현하는 미토콘드리아 융합 및 분열 관련 단백질을 확인한 결과이다.
도 6a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런의 LC3b, Tuj1 및 DAPI 발현을 나타낸 결과이다.
도 6b는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 발현하는 자가포식-관련 단백질의 발현을 확인한 결과이다.
도 7a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런을 이용하여 알츠하이머 치료제를 스크리닝하기 위한 실험 과정을 나타낸 것이다.
도 7b는 LY2886721를 처리한 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 Aβ40, Aβ42 의 수준 및 Aβ42/ Aβ40의 비율을 측정한 그래프이다.
도 7c는 LY2886721를 처리한 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에서 p-Tau의 발현 수준 및 AT8/p-Tau 비율을 나타낸 결과이다.
도 8a는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런을 이용한 알츠하이머 치료제의 민감도를 확인하기 위한 실험 과정을 나타낸 것이다.
도 8b는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에 알츠하이머 치료제 후보물질을 처리한 후, Aβ40 및 Aβ42 의 수준을 측정한 그래프이다.
도 8c는 일 구체예에 따른 PS1-S170F iPSC-유래 뉴런에 알츠하이머 치료제 후보물질을 처리한 후, p-Tau의 수준을 확인한 결과이다.
후보 물질 | 기능 | 농도 |
도네페질(Donepezil, Done) | 아세틸콜린에스터레이스 억제제 | 5μM |
메만틴(Memantine, Meman) | NMDA 수용제 작용제, NMDA 수용제 차단 | 5μM |
유데나필(Udenafil, Uden) | PDE5(phosphodiesterase type 5) 억제제 | 5μM |
미르타자핀(Mirtasapine, Mirt) | 피페라지노아제핀(Piperazinoazepine) 계열 약물의 항우울제 | 5μM |
LY-2886721(LY) | BACE1 억제제 | 5μM |
Claims (10)
- 조발성 알츠하이머 환자 유래 유도만능줄기세포(early-onset Alzheimer’s disease patient-derived iPSC)로부터 분화된 신경세포를 포함하는 조발성 알츠하이머 치료제 스크리닝용 조성물로서, 상기 조발성 알츠하이머는 프레세닐린-1(presenilin-1, PS-1) 유전자의 말단으로부터 170번째 아미노산이 세린(serine, S)에서 페닐알라닌(phenylalanine, F)으로 치환(c.509C>T)된 것인 조성물.
- 삭제
- 삭제
- 조발성 알츠하이머 환자 유래 유도만능줄기세포(early-onset Alzheimer’s disease patient-derived iPSC)를 배양하여 신경세포로 분화시키는 단계로서, 상기 조발성 알츠하이머는 프레세닐린-1(presenilin-1, PS-1) 유전자의 말단으로부터 170번째 아미노산이 세린(serine, S)에서 페닐알라닌(phenylalanine, F)으로 치환(c.509C>T)된 것인 단계;
상기 분화된 신경세포에 피검 물질을 투여하는 단계;
상기 피검 물질이 처리된 신경세포와 피검 물질을 미처리한 신경세포로부터 조발성 알츠하이머의 바이오마커 수준을 측정하는 단계; 및
상기 바이오마커의 수준이 변화된 피검 물질을 선별하는 단계를 포함하는 조발성 알츠하이머 치료제의 스크리닝 방법. - 청구항 4에 있어서, 상기 피검 물질은 안티센스 올리고뉴클레오티드, siRNA, shRNA, miRNA, 리보자임, DNAzyme, PNA, 항체, 앱타머, 천연 추출물 및 합성 화합물로 구성된 군에서 선택되는 어느 하나 이상인 것인 조발성 알츠하이머 치료제의 스크리닝 방법.
- 청구항 4에 있어서, 상기 바이오마커는 아밀로이드베타(Amyloid beta, Aβ), p-Tau, Mfn1 (membrane proteins mitofusin 1), Mfn2 (membrane proteins mitofusin 2), DRP1 (dynamin-related protein 1), p62 (SQSTM1, sequestosome 1; cargo protein marker), Beclin1 (autophagosome membrane formation-related protein), LC3b (light chain 3; autophagosome formation marker)으로 구성된 군에서 선택되는 어느 하나 이상인 것인 조발성 알츠하이머 치료제의 스크리닝 방법.
- 청구항 4에 있어서, 상기 바이오마커 수준의 측정은 역전사 중합효소 연쇄반응(reverse transcriptase-polymerase chain reaction), 실시간 중합효소 연쇄반응(real time-polymerase chain reaction), 웨스턴 블롯(western blot), 노던 블롯(northern blot), ELISA(enzyme linked immunosorbent assay), 방사선면역분석(radioimmunoassay), 방사 면역 확산법(radioimmunodiffusion), 면역침전분석법(immunoprecipitation assay) 및 면역조직화학적 분석(immunohistochemical analysis)으로 구성된 군에서 선택되는 어느 하나 이상의 방법으로 수행되는 것인 조발성 알츠하이머 치료제의 스크리닝 방법.
- 삭제
- 청구항 6에 있어서, 상기 Aβ, p-Tau, DRP1, p62, Beclin1 또는 LC3b의 발현이 피검 물질을 미처리한 신경세포에 비해 감소한 경우, 피검 물질을 알츠하이머 치료제로 판단하는 단계를 추가로 포함하는 것인 조발성 알츠하이머 치료제의 스크리닝 방법.
- 청구항 6에 있어서, 상기 Mfn1, 또는 Mfn2의 발현이 피검 물질을 미처리한 신경세포에 비해 증가한 경우, 피검 물질을 알츠하이머 치료제로 판단하는 단계를 추가로 포함하는 것인 조발성 알츠하이머 치료제의 스크리닝 방법.
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CN116612833A (zh) * | 2023-06-19 | 2023-08-18 | 江西德上制药股份有限公司 | 一种智能筛选治疗阿尔茨海默病的中药活性成分的方法 |
RU2821890C1 (ru) * | 2023-11-03 | 2024-06-27 | Общество с ограниченной ответственностью "А-БиоМаркер" | Способ диагностики или определения риска развития когнитивного нарушения |
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F.Han et al., Brain Science Advances, Vol. 5, No. 1, 2019, pp. 21-40. * |
L.Li et al., Experimental Neurobiology, Vol. 27, No. 5, 2018, pp. 350-364. * |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116612833A (zh) * | 2023-06-19 | 2023-08-18 | 江西德上制药股份有限公司 | 一种智能筛选治疗阿尔茨海默病的中药活性成分的方法 |
RU2821890C1 (ru) * | 2023-11-03 | 2024-06-27 | Общество с ограниченной ответственностью "А-БиоМаркер" | Способ диагностики или определения риска развития когнитивного нарушения |
RU2821893C1 (ru) * | 2023-11-03 | 2024-06-27 | Общество с ограниченной ответственностью "А-БиоМаркер" | Способ дифференциальной прижизненной диагностики болезни альцгеймера |
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