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GPER Signaling in Spermatogenesis and Testicular Tumors

Adele Chimento1, Rosa Sirianni1, Ivan Casaburi1

  • 1Laboratory of Applied Biology, Department of Pharmacy, Health and Nutrition Sciences, University of Calabria , Cosenza , Italy.

Frontiers in Endocrinology
|March 19, 2014
PubMed

Insights

Estrogen signaling via G protein-coupled receptor 30 (GPER) impacts testis development and spermatogenesis. GPER also influences testicular cancer cell growth, with effects varying by cell type.

Area of Science:

  • Endocrinology
  • Reproductive Biology
  • Oncology

Background:

  • Estrogens are crucial for male reproductive functions, including testis development and sperm production.
  • Estrogen signaling pathways, mediated by estrogen receptors ESR1 and ESR2, are implicated in testicular cancer.
  • G protein-coupled receptor 30 (GPER) is a newly identified mediator of estrogen action in various cell types, including testicular cells.

Purpose of the Study:

  • To review the functions of estrogens mediated by GPER in normal and cancerous testicular cells.
  • To summarize the role of GPER in spermatogenesis, testis development, and testicular tumorigenesis.

Main Methods:

  • Literature review of studies investigating estrogen signaling and GPER in testicular cells.
  • Analysis of research on GPER expression and function in normal germ cells, somatic cells, and testicular tumor cells.

Main Results:

  • GPER is expressed in normal testicular cells (germ and somatic cells) and mediates estrogenic effects on spermatogenesis and testis development.
  • GPER is involved in estrogen-dependent testicular cancer cell growth, but its effects on cell survival and proliferation are cell-type specific.

Conclusions:

  • GPER plays a significant role in both normal testicular physiology and the pathogenesis of testicular cancer.
  • Further research into GPER signaling is warranted to understand its complex roles in the male reproductive system and associated cancers.
Keywords:
GPERestrogen receptorsgerm cellsspermatogenesistesticular tumors

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