K
Keisuke Okita
Researcher at Kyoto University
Publications - 115
Citations - 26472
Keisuke Okita is an academic researcher from Kyoto University. The author has contributed to research in topics: Induced pluripotent stem cell & Embryonic stem cell. The author has an hindex of 46, co-authored 110 publications receiving 24423 citations. Previous affiliations of Keisuke Okita include Kumamoto University & Hokkaido University.
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Journal ArticleDOI
Generation of germline-competent induced pluripotent stem cells
TL;DR: iPS cells competent for germline chimaeras can be obtained from fibroblasts, but retroviral introduction of c-Myc should be avoided for clinical application.
Journal ArticleDOI
Generation of induced pluripotent stem cells without Myc from mouse and human fibroblasts
Masato Nakagawa,Michiyo Koyanagi,Koji Tanabe,Kazutoshi Takahashi,Tomoko Ichisaka,Takashi Aoi,Keisuke Okita,Yuji Mochiduki,Nanako Takizawa,Shinya Yamanaka +9 more
TL;DR: A modified protocol for the generation of iPS cells that does not require the Myc retrovirus is described and, with this protocol, significantly fewer non-iPS background cells are obtained, and theiPS cells generated were consistently of high quality.
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Generation of Mouse Induced Pluripotent Stem Cells Without Viral Vectors
TL;DR: The production of virus-free iPS cells, albeit from embryonic fibroblasts, addresses a critical safety concern for potential use of i PS cells in regenerative medicine.
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A more efficient method to generate integration-free human iPS cells
Keisuke Okita,Yasuko Matsumura,Yoshiko Sato,Aki Okada,Asuka Morizane,Satoshi Okamoto,Hyenjong Hong,Masato Nakagawa,Koji Tanabe,Ken-ichi Tezuka,Toshiyuki Shibata,Takahiro Kunisada,Masayo Takahashi,Jun Takahashi,Hiroh Saji,Shinya Yamanaka +15 more
TL;DR: A simple method is reported, using p53 suppression and nontransforming L-Myc, to generate human induced pluripotent stem cells (iPSCs) with episomal plasmid vectors, which may provide iPSCs suitable for autologous and allologous stem-cell therapy in the future.
Journal ArticleDOI
Suppression of induced pluripotent stem cell generation by the p53–p21 pathway
Hyenjong Hong,Kazutoshi Takahashi,Tomoko Ichisaka,Takashi Aoi,Osami Kanagawa,Masato Nakagawa,Keisuke Okita,Shinya Yamanaka +7 more
TL;DR: Functional analyses of 34 p53-regulated genes demonstrate that the p53–p21 pathway serves as a barrier not only in tumorigenicity, but also in iPS cell generation in mouse and human fibroblasts.