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IMMUNOCYTOCHEMICAL LOCALIZATION OF TRANSFORMING GROWTH-FACTOR-ALPHA AND EPIDERMAL GROWTH-FACTOR RECEPTOR IN HUMAN FALLOPIAN-TUBES AND CUMULUS CELLS 40th Annual Meeting of the Society-for-Gynecologic-Investigation ELDANASOURI, I., Frances, A., Westphal, L. M. WILEY-BLACKWELL. 1993: 82–87

Abstract

Transforming growth factor-alpha (TGF-alpha) has been shown to be a potent stimulant of oocyte maturation and embryonic development. The role of maternal growth factors and their mechanism of action in early mammalian development is not well understood.In this study, the presence of TGF-alpha and epidermal growth factor receptor (EGF-R) in human cumulus cells and fallopian tubes was investigated by immunocytochemical techniques.The fallopian tube showed intense staining for TGF-alpha in the apical region of the epithelial cells, and the cumulus cells showed intense staining for EGF-R on cell membranes.The presence of TGF-alpha in the fallopian tube epithelium and its receptor on cumulus cells suggest a paracrine mechanism between maternal growth factors and the developing embryo.

View details for PubMedID 8311934