NEK2 promotes the development of ovarian endometriosis and impairs decidualization by phosphorylating FOXO1

Mengxue Wang1,2, Fangyuan Sun1,2, Shucai Zhang3

  • 1Department of Reproductive Medicine, Affiliated Hospital of Shandong Second Medical University, Weifang, Shandong Province, P.R. China.

Insights

This study reveals NEK2 kinase promotes endometriosis by impairing decidualization via FOXO1 phosphorylation. Inhibiting NEK2 offers a potential therapeutic strategy for endometriosis and infertility.

Area of Science:

  • Gynecology
  • Cell Biology
  • Reproductive Medicine

Background:

  • Ovarian endometriosis is a common condition linked to infertility.
  • Defective endometrial decidualization in endometriosis impairs embryo implantation and early pregnancy.
  • The precise mechanisms driving endometriosis and its associated decidual defects remain largely unknown.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying endometriosis development and defective decidualization.
  • To investigate the role of NEK2 in endometriosis and its impact on endometrial receptivity.
  • To identify potential therapeutic targets for endometriosis-associated infertility.

Main Methods:

  • Assessed NEK2 expression in endometrial tissues from endometriosis patients.
  • Investigated the interaction between NEK2 and FOXO1, including phosphorylation at Ser184.
  • Utilized mouse models to evaluate the effects of NEK2 inhibition (using INH1) on endometriosis lesions and decidualization.

Main Results:

  • NEK2 expression is elevated in both ectopic and eutopic endometrium of endometriosis patients.
  • NEK2 phosphorylates FOXO1 at Ser184, reducing its stability and promoting cell proliferation, migration, and invasion.
  • NEK2 inhibition by INH1 suppressed ectopic lesion growth and enhanced decidualization in mouse models.

Conclusions:

  • NEK2 plays a critical role in endometriosis pathogenesis and impaired decidualization through FOXO1 phosphorylation.
  • Targeting NEK2 represents a promising therapeutic avenue for treating endometriosis and improving fertility outcomes.

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