β -Catenin activation contributes to the pathogenesis of adenomyosis through epithelial-mesenchymal transition

Seo Jin Oh, Jung-Ho Shin, Tae Hoon Kim, Hee Sun Lee, Jung Yoon Yoo, Ji Yeon Ahn, Russell R. Broaddus, Makoto M. Taketo, John P. Lydon, Richard E. Leach, Bruce A. Lessey, Asgerally T. Fazleabas, Jeong Mook Lim, Jae Wook Jeong

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Adenomyosis is defined by the presence of endometrial glands and stroma within the myometrium. Despite its frequent occurrence, the precise aetiology and physiopathology of adenomyosis is still unknown. WNT/β-catenin signalling molecules are important and should be tightly regulated for uterine function. To investigate the role of β-catenin signalling in adenomyosis, the expression of β-catenin was examined. Nuclear and cytoplasmic β-catenin expression was significantly higher in epithelial cells of human adenomyosis compared to control endometrium. To determine whether constitutive activation of β-catenin in the murine uterus leads to development of adenomyosis, mice that expressed a dominant stabilized β-catenin in the uterus were used by crossing PR-Cre mice with Ctnnb1f(ex3)/+ mice. Uteri of PRcre/+ Ctnnb1f(ex3)/+ mice displayed an abnormal irregular structure and highly active proliferation in the myometrium, and subsequently developed adenomyosis. Interestingly, the expression of E-cadherin was repressed in epithelial cells of PR cre/+ Ctnnb1f(ex3)/+ mice compared to control mice. Repression of E-cadherin is one of the hallmarks of epithelial-mesenchymal transition (EMT). The expression of SNAIL and ZEB1 was observed in some epithelial cells of the uterus in PRcre/+ Ctnnb1 f(ex3)/+ mice but not in control mice. Vimentin and COUP-TFII, mesenchymal cell markers, were expressed in some epithelial cells of PR cre/+ Ctnnb1f(ex3)/+ mice. In human adenomyosis, the expression of E-cadherin was decreased in epithelial cells compared to control endometrium, while CD10, an endometrial stromal marker, was expressed in some epithelial cells of human adenomyosis. These results suggest that abnormal activation of β-catenin contributes to adenomyosis development through the induction of EMT.

Original languageEnglish
Pages (from-to)210-222
Number of pages13
JournalJournal of Pathology
Volume231
Issue number2
DOIs
Publication statusPublished - 2013 Oct 1

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Adenomyosis
Catenins
Epithelial-Mesenchymal Transition
Epithelial Cells
Uterus
Cadherins
Myometrium
Endometrium
Vimentin

Keywords

  • β -catenin
  • adenomyosis
  • epithelial-mesenchymal transition
  • uterus

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

β -Catenin activation contributes to the pathogenesis of adenomyosis through epithelial-mesenchymal transition. / Oh, Seo Jin; Shin, Jung-Ho; Kim, Tae Hoon; Lee, Hee Sun; Yoo, Jung Yoon; Ahn, Ji Yeon; Broaddus, Russell R.; Taketo, Makoto M.; Lydon, John P.; Leach, Richard E.; Lessey, Bruce A.; Fazleabas, Asgerally T.; Lim, Jeong Mook; Jeong, Jae Wook.

In: Journal of Pathology, Vol. 231, No. 2, 01.10.2013, p. 210-222.

Research output: Contribution to journalArticle

Oh, SJ, Shin, J-H, Kim, TH, Lee, HS, Yoo, JY, Ahn, JY, Broaddus, RR, Taketo, MM, Lydon, JP, Leach, RE, Lessey, BA, Fazleabas, AT, Lim, JM & Jeong, JW 2013, 'β -Catenin activation contributes to the pathogenesis of adenomyosis through epithelial-mesenchymal transition', Journal of Pathology, vol. 231, no. 2, pp. 210-222. https://doi.org/10.1002/path.4224
Oh, Seo Jin ; Shin, Jung-Ho ; Kim, Tae Hoon ; Lee, Hee Sun ; Yoo, Jung Yoon ; Ahn, Ji Yeon ; Broaddus, Russell R. ; Taketo, Makoto M. ; Lydon, John P. ; Leach, Richard E. ; Lessey, Bruce A. ; Fazleabas, Asgerally T. ; Lim, Jeong Mook ; Jeong, Jae Wook. / β -Catenin activation contributes to the pathogenesis of adenomyosis through epithelial-mesenchymal transition. In: Journal of Pathology. 2013 ; Vol. 231, No. 2. pp. 210-222.
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