Aberrant immunoreactivity of deoxyribonucleic acid methyltransferases in adenomyosis

Gynecologic and Obstetric Investigation
Xishi Liu, Sun-Wei Guo

Abstract

To investigate the expression and localization of deoxyribonucleic acid methyltransferases (DNMTs) in women with and without adenomyosis. Ectopic and homologous eutopic endometrium from 50 women with adenomyosis and endometrium from 18 age- and menstrual phase-matched women without adenomyosis were used for immunohistochemical analysis. Tissue sections were immunostained with DNMT1, DNMT3A, and DNMT3B. Microscopic evaluation to assess the presence and localization of DNMT1, DNMT3A, and DNMT3B throughout the menstrual cycle in both eutopic endometrial and endometriotic tissues of women with adenomyosis was performed, and comparison with normal endometrium was made. Compared with normal endometrium, immunoreactivity to DNMT1 and DNMT3B was higher in ectopic endometrium, while DNMT3A staining levels were significantly reduced in both eutopic and ectopic endometrium. DNMT1 immunoreactivity in eutopic endometrium was positively associated with heavier menses. Increased DNMT3B immunoreactivity in ectopic, but not eutopic, endometrium was associated with the severity of dysmenorrhea. The immunoreactivity to DNMTs in adenomyosis differs significantly from that in normal endometrium, suggesting that adenomyosis may be an epigenetic dise...Continue Reading

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Citations

Oct 22, 2013·Human Reproduction Update·Giuseppe BenagianoMarwan Habiba
Sep 10, 2014·Expert Opinion on Pharmacotherapy·Isabelle StreuliCharles Chapron
Oct 9, 2020·Seminars in Reproductive Medicine·Junyu ZhaiLinda C Giudice
Apr 2, 2019·Fertility and Sterility·Malcolm G Munro
Oct 18, 2021·Gynécologie, Obstétrique, Fertilité & Sénologie·M BourdonC Chapron

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