Journal
SEMINARS IN REPRODUCTIVE MEDICINE
Volume 35, Issue 2, Pages 181-189Publisher
THIEME MEDICAL PUBL INC
DOI: 10.1055/s-0037-1599090
Keywords
uterine leiomyoma; uterine fibroids; cell signaling pathways
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Funding
- NICHD NIH HHS [R01 HD076450] Funding Source: Medline
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Uterine fibroids, also known as uterine leiomyoma (UL), are monoclonal tumors of the smooth muscle tissue layer (myometrium) of the uterus. Although ULs are considered benign, uterine fibroids are the source of major quality-of-life issues for approximately 25% of allwomen, who suffer fromclinically significant symptoms of UL. Despite the prevalence of UL, there is no treatment option for UL which is long term, cost-effective, and leaves fertility intact. The lack of understanding about the etiology of UL contributes to the scarcity of medical therapies available. Studies have identified an important role for sex steroid hormones in the pathogenesis of UL, and have driven the use of hormonal treatment for fibroids, with mixed results. Dysregulation of cell signaling pathways, miRNA expression, and cytogenetic abnormalities have also been implicated in UL etiology. Recent discoveries on the etiology of UL and the development of relevant genetically modified rodent models of UL have started to revitalize UL research. This review outlines the major characteristics of fibroids; major contributors to UL etiology, including steroid hormones; and available preclinical animal models for UL.
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