Endocrinology of uterine fibroids: Steroid hormones, stem cells, and genetic contribution

Molly B. Moravek, Serdar E. Bulun*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

26 Scopus citations

Abstract

Purpose of review: Uterine fibroids are extremely common, and can cause significant morbidity, yet the exact cause of these tumors remains elusive and there are currently no long-term treatments available. In this review, we aim to provide an overview of steroid hormones, genetic abnormalities, and stem cells in the pathogenesis of uterine fibroids. Recent findings: A universal feature of fibroids is responsiveness to estrogen and progesterone, and most of the currently available therapies exploit this characteristic. Ulipristal acetate has recently shown particular promise for providing long-term relief from uterine fibroids. Additionally, fibroid stem cells were isolated and appear to be necessary for growth. The recent discovery of somatic mutations involving mediator subunit complex 12 (MED12) or high-mobility group AT-hook 2 (HMGA2) in the majority of fibroids and the links to their pathophysiology were also significant advances. Summary: The recent shift in focus from hormones to fibroid stem cells and genetic aberrations should lead not only to a deeper understanding of the specific cause of fibroids, but also to the discovery of new therapeutic targets. Targeting the products of genetic mutations or fibroid stem cells has the potential to achieve both better control of current tumors and the prevention of new fibroids.

Original languageEnglish (US)
Pages (from-to)276-283
Number of pages8
JournalCurrent Opinion in Obstetrics and Gynecology
Volume27
Issue number4
DOIs
StatePublished - Aug 1 2015

Keywords

  • Fibroids
  • Genetics
  • Stem cells
  • Steroid hormones

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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