期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 23, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/ijms23052720
关键词
uterine fibroids; 5-hydroxymethylocytosine; TET enzymes; DNA demethylation; DNA methylation; epigenetic regulation; non-hormonal therapy
Uterine fibroids are benign tumors that can cause gynecologic and reproductive dysfunction. DNA methylation and demethylation reactions, regulated by TET enzymes, play a role in gene expression regulation. Dysregulation of TET enzymes may contribute to the development of uterine fibroids. Understanding the role of epigenetics in the pathogenesis of uterine fibroids may lead to the development of new fertility-sparing treatment methods.
Uterine fibroids (UFs) are monoclonal, benign tumors that contain abnormal smooth muscle cells and the accumulation of extracellular matrix (ECM). Although benign, UFs are a major source of gynecologic and reproductive dysfunction, ranging from menorrhagia and pelvic pain to infertility, recurrent miscarriage, and preterm labor. Many risk factors are involved in the pathogenesis of UFs via genetic and epigenetic mechanisms. The latter involving DNA methylation and demethylation reactions provide specific DNA methylation patterns that regulate gene expression. Active DNA demethylation reactions mediated by ten-eleven translocation proteins (TETs) and elevated levels of 5-hydroxymethylcytosine have been suggested to be involved in UF formation. This review paper summarizes the main findings regarding the function of TET enzymes and their activity dysregulation that may trigger the development of UFs. Understanding the role that epigenetics plays in the pathogenesis of UFs may possibly lead to a new type of pharmacological fertility-sparing treatment method.
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