نتایج جستجو برای: p234
تعداد نتایج: 42 فیلتر نتایج به سال:
The aim of this study was to determine the modulatory effects of peptide 234 (p234) (an antagonist of GPR54 receptors) on kisspeptin and RF9 (an RFamide-related peptide antagonist)-induced changes in reproductive functions and energy balance in female rats. Female Sprague-Dawley rats were weaned on postnatal day (pnd) 21. The animals were intracerebroventricularly cannulated under general anest...
BACKGROUND Kisspeptin-GPR54 system stimulates the hypothalamus-pituitary-gonadal (HPG) axis; dysfunction of the gene encoding the GPR54 receptor causes hypogonadism and infertility. Opioid peptides inhibit the reproductive axis. Peptide 234 is a GPR54 receptor antagonist and blocks the stimulatory effects of kisspeptin on HPG axis. OBJECTIVES Interactions of morphine, kisspeptin and peptide 2...
background: kisspeptin-gpr54 system stimulates the hypothalamus-pituitary-gonadal (hpg) axis; dysfunction of the gene encoding the gpr54 receptor causes hypogonadism and infertility. opioid peptides inhibit the reproductive axis. peptide 234 is a gpr54 receptor antagonist and blocks the stimulatory effects of kisspeptin on hpg axis. objectives: interactions of morphine, kisspeptin and peptide 2...
Kisspeptins (KPs) and their receptor (GPR54 or KiSS1R) play a key-role in regulation of the hypothalamic-pituitary-gonadal axis and are therefore interesting targets for therapeutic interventions in the field of reproductive endocrinology. As dogs show a rapid and robust LH response after the administration of KP10, they can serve as a good animal model for research concerning KP signaling. The...
Objective The inhibitory effects of Morphine and the stimulatory influence of kisspeptin signaling have been demonstrated on GnRH/LH release. Hypothalamic kisspeptin is involved in relaying the environmental and metabolic information to reproductive axis. In the present study the role of kisspeptin/GPR54 signaling system was investigated on relaying the inhibitory effects of morphine on LH horm...
BACKGROUND Kisspeptin-10 (KP-10), a potent vasoconstrictor and inhibitor of angiogenesis, and its receptor, GPR54, have currently received much attention in relation to pre-eclampsia. However, it still remains unknown whether KP-10 could affect atherogenesis. METHODS AND RESULTS We evaluated the effects of KP-10 on human umbilical vein endothelial cells, human monocyte-derived macrophages, hu...
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