نتایج جستجو برای: folliculogenesis
تعداد نتایج: 941 فیلتر نتایج به سال:
Dermal papilla cells (DPCs) in the mammalian hair follicle have been shown to develop hair follicles through epithelial-mesenchymal interactions. A cell therapy to regenerate human hair is theoretically possible by expanding autologous human DPCs (hDPCs) and transplanting them into bald skin, though much remains to be overcome before clinical success. In this study, we compared gene signatures ...
In perinatal mice, the ovary undergoes drastic morphological changes, as clusters of oocytes called nests break into smaller cysts and subsequently form individual follicles. We studied perinatal oocyte development in MRL/MpJ mice, and compared it to that observed in C57BL/6 mice between embryonic day 18.5 and postnatal day 4. Throughout the observation period, compared to C57BL/6 mice, MRL/MpJ...
Background. Although chronic hyperandrogenism, a typical feature of polycystic ovary syndrome, is often associated with disturbed reproductive performance, androgens have been shown to promote ovarian follicle growth in shorter exposures. Here, we review the main effects of androgens on the regulation of early folliculogenesis and the potential of their application in improving follicular in vi...
The process of folliculogenesis requires a tightly regulated series of gene expression that are a pre-requisite to the development of ovarian follicle. Among these genes, follicle-stimulating hormone (FSH) is notable for its dual role in development of follicles as well as proliferation and differentiation of granulosa cells. The post-transcriptional expression of these genes is under the contr...
Isolation, characterization, and in vitro and in vivo differentiation of putative thecal stem cells.
Although ovarian theca cells play an indispensable role in folliculogenesis by providing follicular structural integrity and steroid substrates for estrogen production, little information is available about their recruitment, growth, and differentiation because their immature forms have not been identified. We have isolated putative thecal stem cells with the ability to self-renew and different...
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