European journal of obstetrics, gynecology, and reproductive biology · 2005
Effect of activin A on tumor necrosis factor-alpha/intercellular adhesion molecule-1 pathway in endometrial stromal cells.
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Mangioni Silvia, Viganò Paola, Florio Pasquale, Borghi Orietta, Vignali Michele, Petraglia Felice, Di Blasio Anna Maria
Аннотация
UNLABELLED: OBJECTIVE[S]: Activin A and inhibin A are growth factors expressed by human endometrium involved in the control of endometrial functions. In the present study we investigated the effects of activin A and inhibin A in modulating the tumor necrosis factor (TNF)-alpha/intercellular adhesion molecule (ICAM)-1 system in cultured human endometrial stromal cells.
STUDY DESIGN: Endometrial samples were obtained from 34 reproductive age women undergoing laparoscopy for benign ovarian cysts or infertility. Endometrial stromal cells were cultured and soluble ICAM-1 and TNF-alpha were measured in cell-free supernatants following treatment with or without activin A or inhibin A. Cell surface ICAM-1 was assayed by flow cytometry by staining endometrial cells with specific monoclonal antibodies.
RESULTS: Activin A and inhibin A did not influence either the expression of cell surface ICAM-1 or soluble ICAM-1 shedding by cultured endometrial cells. On the other hand, TNF-alpha secretion significantly increased in presence of activin A but not of inhibin A.
CONCLUSIONS: Since TNF-alpha modulates several endometrial processes such as menstruation, proliferation, apoptosis, implantation and decidualization, an effect of activin A in the physiological control of endometrium is further supported by the present data.
STUDY DESIGN: Endometrial samples were obtained from 34 reproductive age women undergoing laparoscopy for benign ovarian cysts or infertility. Endometrial stromal cells were cultured and soluble ICAM-1 and TNF-alpha were measured in cell-free supernatants following treatment with or without activin A or inhibin A. Cell surface ICAM-1 was assayed by flow cytometry by staining endometrial cells with specific monoclonal antibodies.
RESULTS: Activin A and inhibin A did not influence either the expression of cell surface ICAM-1 or soluble ICAM-1 shedding by cultured endometrial cells. On the other hand, TNF-alpha secretion significantly increased in presence of activin A but not of inhibin A.
CONCLUSIONS: Since TNF-alpha modulates several endometrial processes such as menstruation, proliferation, apoptosis, implantation and decidualization, an effect of activin A in the physiological control of endometrium is further supported by the present data.