KR20040016785A - 간엽 줄기세포를 신경세포로 분화시키는 방법 - Google Patents
간엽 줄기세포를 신경세포로 분화시키는 방법 Download PDFInfo
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- KR20040016785A KR20040016785A KR1020030056494A KR20030056494A KR20040016785A KR 20040016785 A KR20040016785 A KR 20040016785A KR 1020030056494 A KR1020030056494 A KR 1020030056494A KR 20030056494 A KR20030056494 A KR 20030056494A KR 20040016785 A KR20040016785 A KR 20040016785A
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- mesenchymal stem
- stem cells
- cells
- bhlh
- neurogenin
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Abstract
Description
이식률(%) | |
MSC | 45 |
MSC/Ngn1 | 54 |
Claims (14)
- 간엽 줄기세포에서 염기성 나선-고리-나선(basic helix-loop-helix, bHLH) 계열의 신경형성 전사인자의 농도를 높이는 단계를 포함하는, 간엽 줄기세포를 신경세포로 분화(transdifferentiation)시키는 방법.
- 제 1 항에 있어서,bHLH 계열의 신경형성 전사인자가 뉴로제닌 1(Neurogenin 1), 뉴로제닌 2 (Neurogenin 2), 뉴로 D1(neuro D1), MASH1, MATH3 및 E47로 이루어진 군에서 선택되는 하나 이상의 전사인자 또는 이들의 활성절편인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서,bHLH 계열의 신경형성 전사인자의 농도를 높이는 단계가 bHLH 계열의 신경형성 전사인자 또는 이들의 활성절편을 코딩하는 유전자를 간엽 줄기세포에 도입하여 발현시키는 것임을 특징으로 하는 방법.
- 제 3 항에 있어서,bHLH 계열의 신경형성 전사인자 또는 이들의 활성절편을 코딩하는 유전자를 포함하는 바이러스 벡터로 간엽 줄기세포를 형질감염시키는 것임을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 간엽 줄기세포를 추가적으로 포르스콜린, 5-아자데옥시시티딘 또는 이들의 혼합물로 처리하는 것을 특징으로 하는 방법.
- 제 5 항에 있어서,10 내지 30 μmol 농도의 포르스콜린으로 처리하는 것을 특징으로 하는 방법.
- 제 5 항에 있어서,5 내지 30 μmol 농도의 5-아자데옥시시티딘(5-azadeoxycytidin)으로 3 내지 10일간 처리한 후 10 내지 30 μmol 농도의 포르스콜린(forskolin)으로 처리하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 간엽 줄기세포의 배양시 배양배지에 N2 보강제를 첨가하는 것을 특징으로 하는 방법.
- bHLH 계열 신경형성 전사인자 유전자가 도입된 간엽 줄기세포 또는 상기 간엽 줄기세포로부터 분화된 신경세포를 유효성분으로 하는, 신경 질환에 대한 세포 치료용 조성물.
- 제 9 항에 있어서,신경 질환이 파킨슨씨병, 알츠하이머, 헌팅톤병(Huntington's disease), 근위축성 측면 경화증(amyotriophic lateral sclerosis), 뇌졸중 및 국소빈혈을 포함하는 신경 질환 중 하나이거나 척수손상에 의한 장애인 것을 특징으로 하는, 세포 치료용 조성물.
- 제 9 항에 있어서,신경세포는 간엽 줄기세포에 bHLH 계열의 신경형성 전사인자 또는 그 활성절편을 코딩하는 유전자를 도입한 후 증식 및 분화시켜 얻어지거나, 또는 간엽 줄기세포를 증식시킨 후 상기 유전자를 도입하여 분화시켜 얻어지는 것을 특징으로 하는, 세포 치료용 조성물.
- bHLH 계열의 신경형성 전사인자 또는 그 활성절편을 코딩하는 유전자를 함유하는 발현벡터를 포함하는, 간엽 줄기세포를 신경세포로 분화시키기 위한 키트.
- 제 12 항에 있어서,bHLH 계열의 신경형성 전사인자는 뉴로제닌 1, 뉴로제닌 2, 뉴로 D1, MASH1, MATH3 및 E47으로 이루어진 군에서 선택된 하나 이상인 것을 특징으로 하는 키트.
- 제 12 항 또는 제 13 항에 있어서,포르스콜린 또는 5-아자데옥시시티딘을 추가적으로 포함하는 키트.
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