2020 Fiscal Year Final Research Report
Single cell analysis of plasticity of mouse sperm stem cells
| Project/Area Number |
17K07424
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Developmental biology
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| Research Institution | National Institute for Basic Biology |
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Principal Investigator |
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| Project Period (FY) |
2017-04-01 – 2021-03-31
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| Keywords | 幹細胞 / 精子 / 生殖細胞 / シングルセル解析 / マウス |
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| Outline of Final Research Achievements |
The purpose of this study is to reveal the molecular process of reversion from potential stem cells, primed for differentiation, to actual stem cells, actually self-renew in steady-state condition using single-cell transcriptome analysis. Based on analysis by Fluidigm C1 and Biomark HD system and recent reports, T-box transcription factor Eomes is one of the candidate gene involving the reversion process. For now, apparent effects of overexpression of Eomes on gene expression in cultured sperm stem cells and its loss of function on stem cell number under the physiological condition have not been observed, and therefore investigation of the effect under the regeneration process will be needed.
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| Free Research Field |
幹細胞生物学
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| Academic Significance and Societal Importance of the Research Achievements |
マウスの精子幹細胞は、絶え間なく精子を作り続ける。精子幹細胞を含む生殖細胞が傷害された後に起こる再生時には、本来分化するはずだった細胞が、その運命を転換することで再生が促進される。しかし、どのようなプログラムが働くのか不明であった。今回、それに関与する候補の遺伝子を選定し、その機能解析を行った。本研究は、将来的にどのような分子メカニズムで幹細胞集団が元に戻るのかと言う問題を解く糸口になる可能性がある。
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