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細胞再生医学/細胞再生医学教室

大学院科目名 細胞再生医学
医学部教室名 細胞再生医学教室
スタッフ
研究教授  戴 平

講師   倉橋 敏裕
助教   武田 行正
研究内容
細胞再生医学教室は、最近、新設された教室であり、世界で初めて低分子化合物のみで体細胞から神経細胞への直接誘導に成功した。われわれは、この細胞をCiN細胞(chemical compound-induced neuronal cells)と命名し、以下の5点を中心に精力的な研究を行っている。CiN細胞は遺伝子導入を全く必要としない点で画期的であり、ES細胞やiPS細胞とは異なる新たな再生医療技術として、アルツハイマー病や筋萎縮性側索硬化症などの神経変性疾患、脊髄損傷、末梢神経障害、網膜疾患などへの臨床応用が期待される。
  1. 低分子化合物による体細胞から神経細胞:CiN細胞(chemical compound-induced neuronal cells)への直接誘導の分子メカニズムの解明
  2. CiN細胞の遺伝的なキャラクタリゼーション
  3. CiN細胞のin vitroまたはin vivoの機能解析
  4. 低分子化合物による体細胞からのCiN細胞以外の細胞種への誘導法の開発
  5. CiN細胞を用いたアルツハイマー病や筋萎縮性側索硬化症などの神経変性疾患、脊髄損傷、末梢神経障害、網膜疾患などの治療法の開発
研究業績
  1. Takeda Y, Yoshikawa T, Dai P*. Transcriptome analysis reveals brown adipogenic reprogramming in chemical compound-induced brown adipocytes converted from human dermal fibroblastsSci. Rep., 11 (1): 5061 (2021). (*Corresponding author)
  2. Takeda Y, Dai P*. A developed serum-free medium and an optimized chemical cocktail for direct conversion of human dermal fibroblasts into brown adipocytes. Sci. Rep., 10 (1): 3775 (2020).(*Corresponding author)
  3. Takeda Y, Harada Y, Yoshikawa T, Dai P*. Chemical compound-based direct reprogramming for future clinical applications. Biosci. Rep., 38: BSR20171650 (2018). (*Corresponding author)
  4. Takeda Y, Harada Y, Yoshikawa T, Dai P*. Direct conversion of human fibroblasts to brown adipocytes by small chemical compounds. Sci. Rep., 7: 4304 (2017). (*Corresponding author)
  5. Dai P*, Harada Y, Takamatsu T. Highly efficient direct conversion of human fibroblasts to neuronal cells by chemical compounds. J. Clin. Biochem. Nutr., 56: 166-170 (2015). (*Corresponding author)
  6. Dai P*, Harada Y, Miyachi H, Tanaka H, Kitano S, Adachi T, Suzuki T, Hino H, Takamatsu T*. Combining TGF-β signal inhibition and connexin43 silencingfor iPSC induction from mouse cardiomyocytes. Sci. Rep.,4: 7323 (2014). (*Corresponding author)
  7. Hatakeyama T*, Dai P*, Harada Y, Hino H, Tsukahara F, Maru Y, Otsuji E, Takamatsu T.Connexin43 functions as a novel interacting partner of heat shock cognate protein 70.Sci. Rep., 3:2719(2013).(*equally contributed)
  8. Suzuki T, Dai P*, Hatakeyama T, Harada Y, Tanaka H, Yoshimura N, Takamatsu T*. TGF-β signaling regulates pancreatic β-cell proliferation through control of cell cycle regulator p27 expression.Acta Histochem. Cytochem., 46, 51-58(2013). (*Corresponding author)
  9. Taniguchi D*,Dai P*,Hojo T, Yamaoka Y, Kubo T, Takamatsu T. Low-energy laser irradiation promotes synovial fibroblast proliferation by modulating p15 subcellular localization.Lasers Surg. Med., 41, 232-239 (2009). (*equally contributed)
  10. Asazuma-Nakamura Y*, Dai P*, Harada Y, Jiang Y, Hamaoka K, Takamatsu T. Cx43 contributes to TGF-β signaling to regulate differentiation of cardiac fibroblasts into myofibroblasts. Exp. Cell Res.,315, 1190-1199 (2009). (*equally contributed)
  11. Dai P*, Nakagami T, Tanaka H, Hitomi T, Takamatsu, T*.Cx43 mediates TGF-β signaling through competitive Smads binding to microtubules. Mol. Biol. Cell, 18, 2264-2273 (2007). (*Corresponding author)
  12. Tanabe T, Oyamada M, Fujita K, Dai P, Tanaka H, Takamatsu T. Multiphoton excitation-evoked chromophore-assisted laser inactivation using green fluorescent protein.Nat. Methods, 2, 503-505 (2005).
  13. Dai P, Akimaru H, Ishii S. A hedgehog-responsive region in the Drosophila wing disc is defined by Debra-mediated ubiquitination and lysosomal degradation of Ci. Dev. Cell, 4, 917-928 (2003).(Selected as a featured article)
  14. Dai P, Shinagawa T, Nomura T, Harada J, Kaul SC, Wadhwa R, Khan MM, Akimaru H, Sasaki H, Colmenares C, Ishii S. Ski is involved in transcriptional regulation by the repressor and full-length form of Gli3. Genes Dev., 16, 2843-2848 (2002).
  15. Dai P, Akimaru H, Tanaka Y, Maekawa T, Nakafuku M, Ishii S. Sonic hedgehog-induced activation of Gli1 promotor mediated by GLI3. J. Biol. Chem., 274, 8143-8152 (1999).
  16. Akimaru H, Chen Y,Dai P, Hou DX, Nonaka M, Smolik SM, Armstrong S, Goodman R, Ishii S.Drosophila CBP is a co-activator of cubitus interruptus in hedgehog signalling. Nature, 386, 735-738 (1997).
  17. Dai P, Akimaru H, Tanaka Y, Hou DX, Yasukawa T, Kanei-Ishii C, Takahashi T, Ishii S. CBP as a transcriptional coactivator of c-Myb.Genes Dev., 10, 528-540 (1996).
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TEL:075-251-5135
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e-mail: dping@koto.kpu-m.ac.jp
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