Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/48931
Título: Local effect of the corpus luteum on ovarian follicular functional and morphological features in the goat
Autores/as: Gonzáez, F.
Batista, M. 
Cabrera, F. 
Calero, P. 
Alabart, J. L.
Gracia, A. 
Fecha de publicación: 2001
Editor/a: 0936-6768
Publicación seriada: Reproduction in Domestic Animals 
Resumen: Ovaries of unilaterally ovulated goats (n = 21) were used to study follicular morphological features (proportion and degree of atresia, oestradiol production in vitro and progesterone production of granulosa cells in culture). Follicles were dissected out and classified as small (1-2 mm), medium (2-4 mm) and large (> 4 mm). Morphological and physiological features were compared in each size class between ovaries bearing and not bearing corpora lutea (CLO and NCLO, respectively). Within the same size class, there was no difference in proportion or in degree of atresia, between CLO and NCLO. A significant effect of follicular size on oestradiol production in vitro was detected, but no effect of the corpus luteum was found. Finally, progesterone production of granulosa cells in culture was significantly higher in CLO than in NCLO after 24 h (p < 0.05) and also after 90 h (p < 0.01) of culture. This higher progesterone production by CLO granulosa cells in culture could be explained by local influence of the corpus luteum stimulating the steroidogenic activity but not aromatase activity. Further studies are needed to clarify possible factors and pathways for this local effect of the corpus luteum upon follicular physiology.
URI: http://hdl.handle.net/10553/48931
ISSN: 0936-6768
DOI: 10.1046/j.1439-0531.2001.00267.x
Fuente: Reproduction in Domestic Animals[ISSN 0936-6768],v. 36, p. 147-151
Colección:Actas de congresos
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