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2020 Fiscal Year Final Research Report

Elucidation of role of sperm stem cell motion

Research Project

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Project/Area Number 19K22358
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 42:Veterinary medical science, animal science, and related fields
Research InstitutionTohoku University

Principal Investigator

Hara Kenshiro  東北大学, 農学研究科, 准教授 (60551546)

Project Period (FY) 2019-06-28 – 2021-03-31
Keywords精巣 / 精子 / 精子幹細胞 / 細胞移動
Outline of Final Research Achievements

In this study, we aimed to understand the physiological roles of sperm stem cell motion on the basement membrane of mouse testis. Through the gene expression analyses, we revealed that sperm stem cells were expressed some extracellular matrix related genes which might contribute to maintain the homeostasis of basement membrane of seminiferous tubules. Further functional analysis will be needed to reveal the biological significance of these phenomenon.

Free Research Field

動物生命科学

Academic Significance and Societal Importance of the Research Achievements

精子幹細胞の遊走は、精子産生の維持そして組織傷害後の再生に寄与する重要現象だが、そのメカニズムは殆ど謎に包まれている。本研究によって幹細胞が遊走しながら足場となる基底膜の維持に関与する可能性が示され、遊走現象の生理的役割の一端が明らかになった。以上の基礎的知見は、産業動物、野生動物、ヒトの造精機能の制御や造精機能障害の原因究明の応用研究に発展する可能性を持つ成果である。

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Published: 2022-01-27  

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