{"title":"Cell cycle regulation for meiosis in mammalian germ cells.","authors":"Ryuki Shimada, Kei-Ichiro Ishiguro","doi":"10.1262/jrd.2023-010","DOIUrl":null,"url":null,"abstract":"<p><p>In mouse fetal gonads, germ cell development is accompanied by changes in cell cycle mode in response to external signals and intrinsic mechanisms of cells. During fetal development, male germ cells undergo G0/G1 arrest, while female germ cells exit the mitotic cell cycle and enter meiosis. In fetal testes, NANOS2 and CYP26B1 force germ cells to stay in G0/G1 arrest phase, preventing them from entering the meiotic cell cycle. In the fetal ovary, external signals, such as RA, BMP, and WNT, promote the competency of female germ cells to enter the meiotic cell cycle. MEIOSIN and STRA8 ensure the establishment of the meiotic cell cycle by activating meiotic genes, such that meiotic entry coincides with the S phase. This review discusses germ cell development from the viewpoint of cell cycle regulation and highlights the mechanism of the entry of germ cells into meiosis.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2023-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/db/f7/jrd-69-139.PMC10267585.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1262/jrd.2023-010","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
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Abstract
In mouse fetal gonads, germ cell development is accompanied by changes in cell cycle mode in response to external signals and intrinsic mechanisms of cells. During fetal development, male germ cells undergo G0/G1 arrest, while female germ cells exit the mitotic cell cycle and enter meiosis. In fetal testes, NANOS2 and CYP26B1 force germ cells to stay in G0/G1 arrest phase, preventing them from entering the meiotic cell cycle. In the fetal ovary, external signals, such as RA, BMP, and WNT, promote the competency of female germ cells to enter the meiotic cell cycle. MEIOSIN and STRA8 ensure the establishment of the meiotic cell cycle by activating meiotic genes, such that meiotic entry coincides with the S phase. This review discusses germ cell development from the viewpoint of cell cycle regulation and highlights the mechanism of the entry of germ cells into meiosis.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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