نتایج جستجو برای: kisspeptins
تعداد نتایج: 148 فیلتر نتایج به سال:
Globally, fish production in the wild is decreasing, and different aquaculture systems are presently being used for broodstock development captivity. Seasonally, raised captivity exhibit form of reproductive dysfunction at level brain-pituitary-gonad (BPG) axis. Primarily, vitellogenic completion final oocyte maturation inhibited females, males fail to spermiate spontaneously Reproductive dysfu...
Kisspeptins are a family of overlapping neuropeptides encoded by the Kiss1 gene that regulate the mammalian reproductive axis by a central action in the hypothalamus to stimulate GnRH release. Kisspeptins and their receptor (GPR54 also called KISS1R) are also expressed in the testes but a functional role in this tissue has not been confirmed. We examined which cell types in the testes expressed...
KiSS1 is a putative metastasis suppressor gene in melanoma and breast cancer-encoding kisspeptins, which are also described as neuroendocrine regulators of the gonadotropic axis. Negative as well as positive regulation of KiSS1 gene expression by estradiol (E(2)) has been reported in the hypothalamus. Estrogen receptor alpha (ERalpha level is recognized as a marker of breast cancer, raising the...
Reproduction is essential for perpetuation of the species and, hence, is controlled by a sophisticated network of regulatory factors of central and peripheral origin that integrate at the hypothalamic-pituitary-gonadal (HPG) axis. Among the central regulators of reproduction, kisspeptins, as major stimulatory drivers of gonadotropin-releasing hormone (GnRH) neurosecretion, have drawn considerab...
Kisspeptin1 (product of the Kiss1 gene) is the key neuropeptide that gates puberty and maintains fertility by regulating the gonadotropin-releasing hormone (GnRH) neuronal system in mammals. Inactivating mutations in Kiss1 and the kisspeptin receptor (GPR54/Kiss1r) are associated with pubertal failure and infertility. Kiss2, a paralogous gene for kiss1, has been recently identified in several v...
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