Testis Epidermal Growth Factor and Spermatogenesis

Abstract excerpt

Epidermal growth factor (EGF) is a cytokine that promotes cell proliferation, regulates tissue differentiation, and modulates organogenesis. Although a rich source of EGF is the submaxillary gland, many tissues produce this cytokine, including the testis. Leydig cells are the principal source of EGF in the testis. On attainment of sexual maturation the germ cells, primarily spermatocytes and round spermatids,...

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