The REGγ-Proteasome Regulates Spermatogenesis Partially by P53-PLZF Signaling

  • Xiao Gao
  • , Hui Chen
  • , Jian Liu
  • , Shihui Shen
  • , Qingwei Wang
  • , Tracy M. Clement
  • , Brian J. Deskin
  • , Caiyu Chen
  • , Dengpan Zhao
  • , Lu Wang
  • , Linjie Guo
  • , Xueqing Ma
  • , Bianhong Zhang
  • , Yunfei Xu
  • , Xiaotao Li
  • , Lei Li*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

In this article, Lei Li and colleagues show that ablation of REGγ, a proteasome activator, resulted in male subfertility, partially because of a decreased number of PLZF+ spermatogonia and spermatocytes. Mechanistically, REGγ loss significantly increased the abundance of p53 protein, and transcriptionally represses PLZF expression. Allelic p53 haplodeficiency partially rescued the defects in spermatogenesis observed in REGγ-deficient mice.

Original languageEnglish
Pages (from-to)559-571
Number of pages13
JournalStem Cell Reports
Volume13
Issue number3
DOIs
StatePublished - 10 Sep 2019

Keywords

  • PLZF
  • REGγ
  • mouse reproduction
  • p53
  • spermatogonial stem cells

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