The cytoskeletal proteins alpha-actinin, Ezrin, and talin are De-expressed in endometriosis and endometrioid carcinoma compared with normal uterine epithelium

Michael Slater, Slater M, Cooper M, M. Cooper, Christopher R. Murphy, C R Murphy
Applied immunohistochemistry & molecular morphology : AIMM · 2007 · doi:10.1097/01.pai.0000194762.78889.26 · PMID:17525629
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Alpha-actinin and talin were de-expressed in endometriosis and endometrioid carcinoma compared to normal uterine epithelium, suggesting altered cell adhesion.

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This retrospective immunohistochemical study analyzed banked tissue samples to compare the expression levels of cytoskeletal proteins in endometriosis and endometrioid carcinoma against normal uterine epithelium. The researchers found that alpha-actinin and talin were completely de-expressed in both pathological conditions, while ezrin showed patchy labeling only in the carcinoma cases. These findings suggest a significant alteration in tissue integrity and cell adhesion mechanisms within these lesions compared to healthy tissue. This paper is centrally about endometriosis — specifically examining the molecular changes in cytoskeletal protein expression that distinguish it from normal uterine epithelium and share similarities with endometrioid carcinoma.

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Abstract

In this retrospective study on banked tissue, we found that alpha-actinin and talin were completely de-expressed in both endometriosis and endometrioid carcinoma tissue. Some patchy, depolarized labeling for ezrin was noted in the endometrioid carcinoma but not in endometriosis. The loss of these proteins in both endometriosis and endometrioid carcinoma tissue indicates a significant change in the integrity of these tissues compared with normal and the possibility that individual cells may break away from the parent histology due to loss of cell adhesion. It also indicates a similarity between endometrioid cancer and endometriosis with respect to epithelial cell function and adhesion.
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Research Articles The Cytoskeletal Proteins α-actinin, Ezrin, and Talin are De-expressed in Endometriosis and Endometrioid Carcinoma Compared With Normal Uterine Epithelium - Michael Slater - M. Cooper - C. R. Murphy Applied Immunohistochemistry & Molecular Morphology 15(2):p 170-174, June 2007. | DOI: 10.1097/01.pai.0000194762.78889.26 In this retrospective study on banked tissue, we found that α-actinin and talin were completely de-expressed in both endometriosis and endometrioid carcinoma tissue. Some patchy, depolarized labeling for ezrin was noted in the endometrioid carcinoma but not in endometriosis. The loss of these proteins in both endometriosis and endometrioid carcinoma tissue indicates a significant change in the integrity of these tissues compared with normal and the possibility that individual cells may break away from the parent histology due to loss of cell adhesion. It also indicates a similarity between endometrioid cancer and endometriosis with respect to epithelial cell function and adhesion. Copyright © 2007 Lippincott Williams & Wilkins, Inc.

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Condition tags

endometriosis

MeSH descriptors

Carcinoma, Endometrioid Endometrial Neoplasms Endometriosis Epithelial Cells Genital Diseases, Female Uterus Actinin Actinin Carcinoma, Endometrioid Carcinoma, Endometrioid Cytoskeletal Proteins Cytoskeletal Proteins Endometrial Neoplasms Endometrial Neoplasms Endometriosis Endometriosis Epithelial Cells Ezrin Female Genital Diseases, Female

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europepmc
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pubmed
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