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In vitro production of bovine embryos: Cumulus/granulosa cell gene expression patterns point to early atresia as beneficial for oocyte competence
(2017-01-01)
In vitro production (IVP) of bovine embryos has become widespread technology implemented in cattle breeding and production. Here, we review novel data on cumulus/granulosa cell gene expression, as determined by RNAseq on ...
Early ovarian follicular development in prepubertal Wistar rats acutely exposed to androgens
(Cambridge University Press, 2016-06)
Androgens may directly modulate early ovarian follicular development in preantral stages and androgen excess before puberty may disrupt this physiological process. Therefore, the aim of this study was to investigate the ...
Histological characteristics and steroid concentration of ovarian follicles at different stages of development in pregnant and non-pregnant dairy cows
(SPRINGER, 2006-02)
The aim of the study was to investigate the histological characteristics and steroid concentrations in follicular fluid of different populations of follicles at different stages of development, during pregnancy and the ...
Caracterización del efecto de la acetilcolina sobre el desarrollo folicular de ovario de rata : origen de la inervación colinérgica, acción sobre receptores y de la necroptosis en la atresia folicular asociada con la función ovárica
(Universidad de Chile, 2022)
Es conocido que la secreción de esteroides y el desarrollo folicular del ovario de
mamíferos es controlada por el hipotálamo a través de la secreción de la hormona
liberadora de gonadotrofinas (GnRH), la que por vía ...
Mecanismos involucrados en la atresia del folículo ovárico: relación entre esteroidogénesis, angiogénesis y apoptosisMechanisms involved in ovarian follicular atresia: relationship between steroidogenesis, angiogenesis and apoptosis
(Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires, 2008)
Estructura ovárica y dinámica folicular de liolaemus azarai (squamata: liolaemidae)Ovarian structure and follicular dynamics of liolaemus azarai (squamata: liolaemidae)
(Universidad Nacional de Colombia. Facultad de Ciencias. Instituto de Ciencias Naturales, 2017)
El estudio de la estructura ovárica y sus variaciones estacionales resulta fundamental para interpretar las estrategias reproductivas de los reptiles. Se analizó la morfología e histología del ovario de Liolaemus azarai a ...
Ação da angiotensina II na regulação da dominância folicular em bovinos
(Universidade Federal de Santa MariaBRMedicina VeterináriaUFSMPrograma de Pós-Graduação em Medicina Veterinária, 2010-03-02)
The objectives of the present study was to determine the concentration of angiotensin II (AngII) in follicular fluid, to characterize the expression of renin-angiotensin system (RAS) genes in follicular cells and to verify ...
Expression of protease nexin-1 and plasminogen activators during follicular growth and the periovulatory period in cattle
(Bio Scientifica Ltd, 2006-01-01)
Extracellular matrix remodeling occurs during ovarian follicular development, mediated by plasminogen activators (PAs) and PA inhibitors including protease nexin-1 (PN-1). In the present study we measured expression/activity ...
Expression of protease nexin-1 and plasminogen activators during follicular growth and the periovulatory period in cattle
(Bio Scientifica Ltd, 2006-01-01)
Extracellular matrix remodeling occurs during ovarian follicular development, mediated by plasminogen activators (PAs) and PA inhibitors including protease nexin-1 (PN-1). In the present study we measured expression/activity ...