KR101816103B1 - 소분자 화합물을 이용한 인간 섬유아세포를 신경줄기세포로 직접 전환하는 방법 - Google Patents
소분자 화합물을 이용한 인간 섬유아세포를 신경줄기세포로 직접 전환하는 방법 Download PDFInfo
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Abstract
Description
도 2는 13종 소분자 물질의 첨가에 따른 유전자 발현을 확인한 결과이다.
도 3은 소분자 화합물 4종, 6종, 8종의 사용에 따른 세포의 형태학적 변화를 확인한 결과이다.
도 4는 유도된 신경줄기세포의 형태학적 확인, 마커 유전자 및 단백질의 발현을 확인한 결과이다.
도 5는 유도된 신경줄기세포의 초기단계와 후기단계의 형태학적 확인, 마커 유전자 및 단백질의 발현을 확인한 결과이다.
도 6은 유도된 신경줄기세포의 염색체 분석을 통한 염색체를 확인한 결과이다.
도 7은 유도된 신경줄기세포의 시기별 세포 증식률을 분석한 결과이다.
도 8은 바이설파이트(bisulfite) PCR 분석을 이용한 유도된 신경줄기세포의 후성 유전적 변화를 확인한 결과이다.
도 9는 유도된 신경줄기세포의 삼신경계 세포로의 분화를 확인한 결과이다.
도 10은 유도된 신경줄기세포의 다양한 종류의 신경세포로의 분화를 확인한 결과이다.
도 11은 유도된 신경줄기세포가 이식된 마우스의 뇌를 분석한 결과이다.
Claims (14)
- 티아조비빈(Thiazovivin), 발프로익 산(Valproic acid), 퍼모파민(Purmorphamine), A8301, SB431542, DZNep (Deazaneplanocin A), 5-AZA 및 CHIR99021를 포함하는 배지에서 인간 섬유아세포를 배양하는 단계를 포함하는 신경줄기세포의 제조방법.
- 삭제
- 제1항에 있어서, PD0325901, 아스코브산 (Ascorbic acid), PS48, 포스콜린 (Forskolin) 및 트라닐시프로민 (Tranylcypromine)으로 구성되는 군에서 선택된 1종 이상의 소분자 화합물을 추가로 포함하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 배지는 N2, B27, bFGF 및 EGF가 포함된 DMEM/F12인 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 배양은 10~15일 동안 수행하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 세포를 계대배양한 후 부유 배양하여 스피어를 형성하는 단계; 및 상기 형성된 스피어를 부착 배양한 후 다시 부유 배양하는 단계를 추가로 포함하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제6항에 있어서, 상기 부유 배양 및 부착 배양은 각각 7~10일 동안 배양하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제6항에 있어서, 상기 형성된 스피어를 부착 배양한 후 다시 부유 배양하는 단계는 2~4회 반복하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 신경줄기세포는 nestin, sox1 또는 musashi1을 발현하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 신경줄기세포는 별아교세포 (astrocyte), 희소돌기아교세포 (oligodendrocyte), 뉴런 (neuron), 도파민 신경세포, 가바 신경세포, 운동 신경세포 및 콜린 신경세포로 구성된 군에서 선택되는 어느 하나 이상으로 분화되는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 염색체 안정성을 유지시키는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항에 있어서, 상기 신경줄기세포는 10계대 이상 미분화 상태를 유지하는 것을 특징으로 하는 신경줄기세포의 제조방법.
- 제1항 및 제3항 내지 제12항 중 어느 한 항의 방법에 의해 제조된 신경줄기세포를 함유하는 뇌질환 치료용 세포치료제.
- 제13항에 있어서, 상기 뇌질환은 뇌졸중, 중풍, 뇌일혈, 뇌경색, 알츠하이머, 치매, 헌팅톤병, 파킨슨병, 다발성 경화증, 다발성 신경위축, 간질, 피크병 및 크로이츠펠트-야콥병으로 구성된 군에서 선택되는 것을 특징으로 하는 세포치료제.
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WO2018155913A1 (ko) * | 2017-02-21 | 2018-08-30 | 성균관대학교산학협력단 | 저분자 화합물을 이용한 골격근육세포 분화 방법 |
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