Follicular Morphology, Oocyte Diameter and Localisation of Fibroblast Growth Factors in the Domestic Dog Ovary
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منابع مشابه
Follicular Morphology, Oocyte Diameter and Localization of Fibroblast Growth Factors in the Domestic Dog
6 International Symposium on Canine and Feline Reproduction & 6 Biennial EVSSAR Congress European Veterinary Society for Small Animal Reproduction "Reproductive biology and medicine of domestic and exotic carnivores" University of Veterinary Sciences 9 – 11 July 2008 Vienna, Austria Editors: G. England, P. Concannon, S. Schäfer-Somi Close this window to return to IVIS
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Growth factors of endocrine and/or paracrine origin play determinant roles in antral follicular development. They modulate survival, proliferation and differentiation of follicular cells, acting in interaction with gonadotropins. It is thought that factors belonging to the families of the insulin-like growth factor (IGF-I and -II), epidennal growth factor (EGF and TGF-a) and fibroblast growth f...
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Follicular development begins as early as the fourth month of fetal life [1]. At that time, the primordial germ cells (PGCs) have migrated from the yolk sac endoderm to the gonadal ridge, undergoing mitotic divisions. PGCs are called oogonia once they reach the gonads, then the oogonia enter the first meiotic division and become primary oocytes. Somatic cells originating from the primitive gona...
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Although it is well established that both follicular assembly and the initiation of follicle growth in the mammalian ovary occur independently of pituitary hormone support, the factors controlling these processes remain poorly understood. We now report that neurotrophins (NTs) signaling via TrkB receptors are required for the growth of newly formed follicles. Both neurotrophin-4/5 (NT-4) and br...
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Background Poor and fragmentary data was available regarding the effects of recombinant-LH (r-LH) in in-vitro granulosa and theca cells of human origin. No data was available from in vivo studies regarding the effects of r-LH supplementation on SCF,EGF,ERK-1/2 and AKT-1 pathways in the follicular fluid of older-poor-responder women undergoing IVF cycle. Evidence from in-vitro and animal studies...
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ژورنال
عنوان ژورنال: Reproduction in Domestic Animals
سال: 2009
ISSN: 0936-6768,1439-0531
DOI: 10.1111/j.1439-0531.2009.01424.x