Endometriosis is characterized by the presence of functional endometrial tissue outside the uterine cavity, most commonly on the ovary and peritoneum. The aetiology of endometriosis is not understood, although the adhesion of endometrial cells to the extracellular matrix (ECM) would be expected to p
INTEGRINS ALPHA 3 AND ALPHA 6 ARE DIFFERENTIALLY EXPRESSED IN ENDOMETRIUM AND ENDOMETRIOSIS
β Scribed by RAI, VIKRAM; HOPKISSON, JAMES; KENNEDY, STEPHEN; BERGQVIST, AGNETA; BARLOW, DAVID H.; MARDON, HELEN J.
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 1002 KB
- Volume
- 180
- Category
- Article
- ISSN
- 0022-3417
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β¦ Synopsis
The expression of integrin subunits has been investigated in the stroma and epithelium of eutopic and ectopic endometrial tissues, using immunohistochemistry and fluorescently activated cell-sorting techniques. Integrin subunits exhibited tissue-specific expression in both eutopic and ectopic endometrium. Integrin a3 subunit was up-regulated in ectopic endometrium compared with the eutopic counterpart, whereas a6 integrin subunit was down-regulated in the ectopic tissues. Cycle stage-dependent expression of av and p3, observed in eutopic endometrium, was absent in the ectopic counterpart. It is concluded that the development and regeneration of the endometrium involve complex integrin-ligand interactions and that regulation of specific adhesive events is lost in endometriosis.
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