نتایج جستجو برای: rfrp mrna
تعداد نتایج: 153032 فیلتر نتایج به سال:
The up-regulation and down-regulation of gonadotropin-releasing hormone (GnRH) in central precocious puberty is not yet known. However, recent advances in neuroendocrinology have shown the controlling role of arginine-phenylalanine RF-amide-related peptides (RFRPs) on GnRH secretion in different phenomenon of reproduction such as estrus cycle and pregnancy, but the exact role of RFRPs in pubert...
1 Neuropeptide RFRP inhibits the pacemaker activity of terminal nerve GnRH 2 neurons 3 4 Chie Umatani, Hideki Abe and Yoshitaka Oka 5 6 Department of Biological Sciences, Graduate School of Science, The University of 7 Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JAPAN 8 9 Running head: RFRP-induced hyperpolarization of TN-GnRH neurons 10 11 Corresponding author: 12 Yoshitaka Oka 13 Departmen...
A neuropeptide that directly inhibits gonadotropin secretion from the pituitary was discovered in quail and named gonadotropin-inhibitory hormone (GnIH). The presence and functional roles of GnIH orthologs, RF-amide-related peptides (RFRP), that possess a common C-terminal LPXRF-amide (X = L or Q) motif have also been demonstrated in mammals. GnIH orthologs inhibit gonadotropin synthesis and re...
The acid-sensing ion channels (ASICs) form cation channels that are transiently activated by extracellular protons. They are expressed in dorsal root ganglia (DRG) neurons and in the periphery where they play a function in nociception and mechanosensation. Previous studies showed that FMRFamide and related peptides potentiate H(+)-gated currents. To better understand this potentiation, we exami...
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...
The acid sensing ion channels (ASICs) form cation channels that are transiently activated by extracellular protons. They are expressed in dorsal root ganglia (DRG) neurons and in the periphery where they play a function in nociception and mechanosensation. Previous studies showed that FMRFamide and related peptides potentiate H +-gated currents. To better understand this potentiation, we examin...
The up-regulator regulation and down-regulator regulation of gonadotropin-releasing hormone (GnRH) in central precocious puberty is not yet known. However, recent advances in neuroendocrinology have shown the controlling role of arginine-phenylalanine (RF)-amide-related peptides (RFRPs) on GnRH secretion in different phenomenon of reproduction such as estrus cycle and pregnancy, but the exact r...
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Animals living in temperate zones anticipate seasonal environmental changes to adapt their biological functions, especially reproduction and metabolism. Two main physiological mechanisms have evolved for this adaptation: intrinsic long-term timing mechanisms with an oscillating period of approximately 1 year, driven by a circannual clock [1], and synchronization of biological rhythms to the sid...
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