KR20120003098A - FoxA2 및 Nurr1 도입을 이용한 중뇌 도파민성 신경세포로의 분화방법 - Google Patents
FoxA2 및 Nurr1 도입을 이용한 중뇌 도파민성 신경세포로의 분화방법 Download PDFInfo
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Abstract
Description
도 2는 배양된 신경줄기세포에서 Foxa2를 발현시켰을때 중뇌 발달관련 유전자 (wnt-3a, corin, lmx1b)와 중뇌 및 중뇌흑질 (A9) 도파민신경세포특이유전자 (Nurr1, Ptx3, AHD2, GirK2) 들의 RT-PCR분석 결과 및 면역화학분석 결과를 나타낸 것이다.
도 3은 Foxa2의 중뇌 도파민 신경세포 성숙과정에서의 역할 규명하기 위해, 도파민 신경세포 마커인 TuJ1, MAP2, HuC/D, VMAT2, DAT가 발현을 관찰한 면역조직화학분석 결과 및 도파민 신경전달물질 분비능 및 재흡수능 분석결과를 나타낸 것이다.
도 4는 Foxa2의 세포주기 및 신경분화에의 관련성을 알아보기 위해, cell c세포수 증가패턴 분석결과, 뉴로스피어 형성분석결과, 증식 특이 단백질(Ki67, BrdU, pHH3)의 면역화학분석결과 및 유세포 분석결과를 나타낸 것이다.
도 5는 Foxa2 과발현에 따른 신경세포 분화 유도능을 확인하기 위한, 신경세포 분화인자 Ngn2, NeuroD의 발현여부를 확인한 RT-PCR 분석 결과 및 신경세포 마커의 면역조직화학분석 결과를 나타낸 것이다.
도 6은 Foxa2의 의한 도파민성 신경세포 생존능 향상을 알아보기 위한 TH+도파민 세포에 대한 면역조직화학 분석 결과 및 세포 생존능에 대한 MTT 분석 결과, 그리고 세포생존인자로 알려진 BDNF, GDNF, NT-3, SHH유전자 발현에 대한 RT-PCR 분석 결과를 나타낸 것이다.
도 7은 마우스대뇌피질 유래 신경줄기세포, 랫트 대뇌피질 유래 신경줄기세포 및 사람 배아줄기세포 유래 신경줄기세포에서의 도파민 신경세포 분화정도를 비교한 면역조직화학분석 결과이다.
도 8은 Nurr1+Foxa2 과발현된 신경줄기세포를 파킨슨 모델쥐의 선조체에 이식하고 세포 치료효과를 관찰한 결과로서, 암페타민-유도된 회전 불균형 실험 결과 및; 이식체 부피, 생존한 세포수, TH+ 도파민 신경세포의 수 확인을 위한 면역조직화학분석 결과를 나타낸 것이다.
Claims (14)
- 신경줄기세포 또는 신경전구세포에 FoxA2 및 Nurr1을 도입하는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 도파민 신경세포는 중뇌특성을 나타내는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 신경전구세포는 배아 또는 성체 줄기세포로부터 분화시켜 수득한 것임을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 신경 전구세포는 포유동물의 중뇌(ventral midbrain), 대뇌 피질(cortex) 또는 측면 신경절 융기(lateral ganglionic eminence)(줄무늬체 원기(선조체 anlage))에서 분리된 것을 특징으로 하는 도파민 신경세포로의 분화방법
- 제1항에 있어서, 상기 도입은 바이러스 벡터를 이용하여 이루어지는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제5항에 있어서, 상기 도입은 레트로 바이러스 벡터를 이용하여 이루어지는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 FoxA2는 티로신 수산화 효소(TH)를 코딩하는 유전자 발현용 프로모터에 직접 결합되는 것을 특징으로 하는, 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 도파민 신경세포로의 분화는 그 과정 중 wnt-3a, corin, lmx1b, Nurr1, Ptx3, AHD2, 및 GirK2로 구성된 군에서 선택된 하나 이상의 유전자를 발현하는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 도파민 신경세포는 TuJ1, MAP2, HuC/D, VMAT2, 및 DAT 로 구성된 군에서 선택된 하나 이상의 유전자를 발현하는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 FoxA2는 도파민 신경세포 생존인자인 BDNF, GDNF, NT-3 및 SHH로 구성된 군에서 선택된 하나 이상의 유전자를 발현을 증가시키는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- 제1항에 있어서, 상기 FoxA2는 세포분열 억제인자인 p15, p16, p21, p27 발현을 증가시키는 것을 특징으로 하는 도파민 신경세포로의 분화방법.
- FoxA2 및 Nurr1가 도입된 신경줄기세포 또는 신경전구세포; 또는 이들이 분화된 세포를 유효성분으로 함유하는 뇌신경계 질환 치료용 조성물.
- 제12항에 있어서, 상기 뇌신경계 질환은 파킨슨병, 신경통, 관절염, 두통, 정신분열증, 간질, 뇌졸증, 불면증, 치매,우울증, 디스키네시아, 알츠하이머 질환, 루이제 치매, 헌팅톤 질환, 뚜렛 증후군, 불안, 기억 손상 및 퇴행성 신경질환으로 구성된 군에서 선택된 1종 이상의 질환인 것을 특징으로 하는 조성물.
- 제13항에 있어서, 상기 뇌질환은 파킨슨 병인 것을 특징으로 하는 조성물.
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KR20190071930A (ko) * | 2017-12-15 | 2019-06-25 | 한양대학교 산학협력단 | 신경줄기세포 또는 신경전구세포에서 도파민 신경세포로의 분화방법 |
JP2019106895A (ja) * | 2017-12-15 | 2019-07-04 | インダストリー‐ユニバーシティー コーぺレーション ファンデーション ハンヤン ユニバーシティ | 神経幹細胞または神経前駆細胞からドーパミン神経細胞への分化方法 |
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KR20190071930A (ko) * | 2017-12-15 | 2019-06-25 | 한양대학교 산학협력단 | 신경줄기세포 또는 신경전구세포에서 도파민 신경세포로의 분화방법 |
JP2019106895A (ja) * | 2017-12-15 | 2019-07-04 | インダストリー‐ユニバーシティー コーぺレーション ファンデーション ハンヤン ユニバーシティ | 神経幹細胞または神経前駆細胞からドーパミン神経細胞への分化方法 |
JP2022107819A (ja) * | 2017-12-15 | 2022-07-22 | インダストリー‐ユニバーシティー コーぺレーション ファンデーション ハンヤン ユニバーシティ | 神経幹細胞または神経前駆細胞からドーパミン神経細胞への分化方法 |
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JP2022529394A (ja) * | 2019-05-23 | 2022-06-21 | イノピューティクス コーポレーション | アミロイドベータ蓄積及び/又は凝集抑制組成物及び抑制方法 |
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