Reciprocal conversion between germ cells and pluripotent stem cells
| Project/Area Number |
24390097
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Experimental pathology
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| Research Institution | Kitasato University |
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Principal Investigator |
KIMURA Tohru 北里大学, 理学部, 教授 (50280962)
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| Co-Investigator(Renkei-kenkyūsha) |
SHINOHARA Takashi 京都大学, 医学研究科, 教授 (30322770)
IKAWA Masahito 大阪大学, 微生物病研究所, 教授 (20304066)
NADA Shigeyuki 大阪大学, 微生物病研究所, 准教授 (50291448)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥18,720,000 (Direct Cost: ¥14,400,000、Indirect Cost: ¥4,320,000)
Fiscal Year 2014: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2013: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2012: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
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| Keywords | 生殖細胞 / 多能性 / 幹細胞 / 分化誘導 / ES細胞 / EG細胞 / iPS細胞 / シグナル / 相互転換 |
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| Outline of Final Research Achievements |
Germ cells are specialized cell types that produce next generations. Germ cells can be reprogrammed into the ES cell-like states, indicating that the cells retain pluripotency. In this study, we developed the in vitro germ cell differentiation system and explored the mechanisms how germ cells are reprogrammed into pluripotency. First, given the fact that germ cells differentiate with mesodermal cells in vivo, we succeeded to generate the fetal germ cell-like cells in vitro by using mesodermal differentiation culture system. Second, we analyzed the functions of signaling pathways and the effects of small molecule compounds in reprogramming of germ cells into ES cell-like cells and in reprogramming of somatic cells into iPS cells. Our results show that germ and somatic cells share the common molecular mechanisms in reprogramming toward pluripotency.
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Report
(4 results)
Research Products
(14 results)
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[Journal Article] Induction of Primordial Germ Cell-Like Cells From Mouse Embryonic Stem Cells by ERK Signal Inhibition.2014
Author(s)
Kimura T, Kaga Y, Ohta H, Odamoto M, Sekita Y, Li K, Yamano N, Fujikawa K, Isotani A, Sasaki N, Toyoda M, Hayashi K, Okabe M, Shinohara T, Saitou M, Nakano T.
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Journal Title
Stem Cells.
Volume: 32
Pages: 2668-2678
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Journal Article] GPAT2, a Mitochondrial Outer Membrane Protein in piRNA Biogenesis in Germline Stem Cells2013
Author(s)
Shiromoto Y, Kuramochi-Miyagawa S, Daiba A, Chuma S, Katanaya A, Nishimura K, Ohtaka M, Nakanishi M, Nakamura T, Yoshinaga K, Asada N, Nakamura S, Yasunaga T, Kojima-Kita K, Itou D, Kimura T, Nakano T
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Journal Title
RNA.
Volume: 19
Pages: 803-10
DOI
Related Report
Peer Reviewed
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