RGD Reference Report - Aberrant immunoreactivity of deoxyribonucleic acid methyltransferases in adenomyosis. - Rat Genome Database

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Aberrant immunoreactivity of deoxyribonucleic acid methyltransferases in adenomyosis.

Authors: Liu, X  Guo, SW 
Citation: Liu X and Guo SW, Gynecol Obstet Invest. 2012;74(2):100-8. Epub 2012 May 4.
RGD ID: 9588664
Pubmed: PMID:22572543   (View Abstract at PubMed)
DOI: DOI:10.1159/000337718   (Journal Full-text)

OBJECTIVES: To investigate the expression and localization of deoxyribonucleic acid methyltransferases (DNMTs) in women with and without adenomyosis. STUDY DESIGN: 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. RESULTS: 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. CONCLUSIONS: The immunoreactivity to DNMTs in adenomyosis differs significantly from that in normal endometrium, suggesting that adenomyosis may be an epigenetic disease. The finding that DNMT3B correlates with the severity of dysmenorrhea suggests that DNMTs may be involved in adenomyosis-caused dysmenorrhea and its severity. Thus, therapeutics based on epigenetic rectification may hold promise in the management of adenomyosis.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
DNMT3BHumanDysmenorrhea  IEP protein:increased expression:ectopic endometrium:RGD 
Dnmt3bRatDysmenorrhea  ISODNMT3B (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 
Dnmt3bMouseDysmenorrhea  ISODNMT3B (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 
DNMT1Humanendometriosis of uterus  IEP protein:increased expression:ectopic endometrium:RGD 
DNMT3AHumanendometriosis of uterus  IEP protein:decreased expression:endometrium:RGD 
DNMT3BHumanendometriosis of uterus  IEP protein:increased expression:ectopic endometrium:RGD 
Dnmt1Ratendometriosis of uterus  ISODNMT1 (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 
Dnmt1Mouseendometriosis of uterus  ISODNMT1 (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 
Dnmt3aRatendometriosis of uterus  ISODNMT3A (Homo sapiens)protein:decreased expression:endometrium:RGD 
Dnmt3aMouseendometriosis of uterus  ISODNMT3A (Homo sapiens)protein:decreased expression:endometrium:RGD 
Dnmt3bRatendometriosis of uterus  ISODNMT3B (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 
Dnmt3bMouseendometriosis of uterus  ISODNMT3B (Homo sapiens)protein:increased expression:ectopic endometrium:RGD 

Objects Annotated

Genes (Rattus norvegicus)
Dnmt1  (DNA methyltransferase 1)
Dnmt3a  (DNA methyltransferase 3 alpha)
Dnmt3b  (DNA methyltransferase 3 beta)

Genes (Mus musculus)
Dnmt1  (DNA methyltransferase 1)
Dnmt3a  (DNA methyltransferase 3A)
Dnmt3b  (DNA methyltransferase 3B)

Genes (Homo sapiens)
DNMT1  (DNA methyltransferase 1)
DNMT3A  (DNA methyltransferase 3 alpha)
DNMT3B  (DNA methyltransferase 3 beta)


Additional Information