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Cellular Signaling in the Bovine Antral Follicles

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Author(s): Juan F. Vásquez - Cano | Martha Olivera - A.

Journal: Orinoquia
ISSN 0121-3709

Volume: 14;
Issue: 2;
Start page: 178;
Date: 2010;
Original page

Keywords: Atresia | Dominance | Gonadotropins | IGF-1 | Steroidogenesis.

ABSTRACT
Antral follicle development in the ovary of female cattle is the product of a complex of endocrine, paracrine and autocrine relationships. The interactions of the pituitary gonadotropins over granulosa and theca cells prepare the follicle to produce estradiol and for the final stages of maturation of the oocyte and its potencial ovulation or atresia inside subordinate follicles. It is a dynamic event where cellular signaling patterns changes sequentiallyand quickly at different stages of follicular development (recruitment, selection and dominance). This model illustrates the revision of some of these interactions.
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