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您的检索式：作者名="Zhaokai Yao"
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| 1 | A novel undifferentiated spermatogonia-speci?c surface protein 1(USSP1) in neonatal mice显示文摘Mammalian spermatogenesis is maintained by a rare population of spermatogonial stem cells(SSCs),which are important for male fertility. SSCs remain a subset of undifferentiated spermatogonia, which can be isolated by a combination of surface markers. Specific markers to identify and isolate undifferentiated spermatogonia are lacking. Ussp1, a transcript previously annotated as long noncoding RNA(RIKEN cDNA 4933427D06, Gene ID: 232217), virtually encodes a membrane protein, USSP1, in a highly testisspecific manner in mouse. We demonstrate its expression on the membrane of undifferentiated spermatogonia by a homemade polyclonal rabbit antibody against the protein. In vivo, USSP1^+ clusters consist mainly of As, Apr(GFRa1^+) and Aal(PLZF^+) cells. USSP1^+ cells exhibit enrichment of undifferentiated spermatogonia, as shown by increased expression of SSC self-renewal molecular markers and the potential to form SSC clones in vitro and in vivo. However, Ussp1 knockout did not affect the number of SSCs or spermatogenesis in mice. Thy1^+ cells from Ussp1 null mice did not show any defect in the SSC colony formation capacity, indicating that USSP1 is not essential for SSC self-renewal. Our data demonstrate that Ussp1 is specifically expressed in undifferentiated murine spermatogonia, indicating the potential to sort undifferentiated spermatogonia with USSP1 antibodies. Ussp1 might be a good maker for SSC enrichment in neonatal mice. | Zhuoheng Lin Puping Liang Zhaokai Yao Yuxi Chen Xiya Zhang Rui Huang Zhen Zhang Minyan Li Wenbin Ma Haiyan Zheng Shanbo Cao Guang Shi Xiaoyang Zhao Zhou Songyang Junjiu Huang | 2019 | Science Bulletin2019，64，8： | 0 |
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