Reproduction Abstracts

Introduction: In the absence of pregnancy, the resumption of a new estrous cycle is assured by functional and structural regression of the corpus luteum (CL). We have recently characterized the involvement of Nodal, a morphogen from transforming growth factor beta superfamily, on functional luteolysis in the mare (Galvao et al, 2015 Endocrinology, 157:858–871). Also, tumor necrosis factor α (TNF) has been reported to mediate both functional and structural luteal regr...