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551 11998 Ensembl ENSG00000101200 ENSMUSG00000037727 UniProt P01185 P35455 RefSeq (mRNA) NM_000490 NM_009732 RefSeq (protein) NP_000481 NP_033862 Location (UCSC) Chr 20: 3.08 – 3.08 Mb Chr 2: 130.42 – 130.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Human vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized ...
The oxytocin and vasopressin that is released at the posterior pituitary gland enters the blood, and cannot re-enter the brain because the blood–brain barrier does not allow oxytocin and vasopressin through, but the oxytocin and vasopressin that is released from dendrites acts within the brain. Oxytocin neurons themselves express oxytocin ...
The oxytocin-like peptides, which differ in positions 4 and/or 8, include oxytocin (Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2, with arginine-8 of AVT changed to leucine), mesotocin (arginine-8 changed to isoleucine), and isotocin (glutamine-4 changed to serine and arginine-8 changed to isoleucine); they differ from the vasopressin-like peptides ...
As such, the antidepressant-like effects of oxytocin may be mediated by modulation of a different target, perhaps the vasopressin V 1A receptor where oxytocin is known to weakly bind as an agonist. [128] [129] Oxytocin mediates the antidepressant-like effects of sexual activity.
Oxytocin and vasopressin can, thus, be released within the brain from these dendrites, as well as into the blood from the terminals in the posterior pituitary gland. [5] However, the release of oxytocin and vasopressin from dendrites is not consistently accompanied by peripheral secretion, as dendritic release is regulated differently.
The magnocellular cells in the PVN elaborate and secrete two peptide hormones: oxytocin and vasopressin. These hormones are packaged into large vesicles, which are then transported down the unmyelinated axons of the cells and released from neurosecretory nerve terminals residing in the posterior pituitary gland. [citation needed]
The antidiuretic hormone class includes vasopressin (ADH), argipressin, desmopressin, lypressin, ornipressin, oxytocin, and terlipressin. Miscellaneous others include chlorpropamide and carbamazepine .
Most of the circulating oxytocin and vasopressin hormones are synthesized in magnocellular neurosecretory cells of the supraoptic nucleus and paraventricular nucleus of the hypothalamus. They are then transported in neurosecretory granules along axons within the hypothalamo-neurohypophysial tract by axoplasmic flow to axon terminals forming the ...