Journal
MOLECULAR AND CELLULAR ENDOCRINOLOGY
Volume 287, Issue 1-2, Pages 47-56Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mce.2008.01.008
Keywords
testis; spermatogonial stem cells; Bmi1; RNAi
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B cell-specific Moloney murine leukaemia virus integration site 1 (Bmi1), known as the first functional member of PcG (Polycomb Group) family, is supposed to be a key regulator of stem cell self-proliferation. In this study, we investigated its expression in testis and its impact on spermatogonia proliferation for better understanding of its role in spermatogenesis. Results showed that Bmil was expressed in undifferentiated spermatogonia (A(s), A(pr) and A(al), spermatogonia). Overexpression of BMI1 could promote spermatogonia proliferation, while repression of endogenous Bmi1 by RNAi resulted in inhibition of the proliferation. (c) 2008 Elsevier Ireland Ltd. All rights reserved.
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