Preprovasopressin (VP)

AVP-NPII; ARVP; AVP; Vasopressin-Neurophysin 2-Copeptin; Arginine-vasopressin; Neurophysin 2; Copeptin

SPN	T019
HGNC	894
MGI	88121
PubMed	15070970
RGD	2184
UniProt	P01185

AVP-NPII encodes a precursor protein consisting of arginine vasopressin and two associated proteins, neurophysin II and a glycopeptide, copeptin. Arginine vasopressin is a posterior pituitary hormone which is synthesized in the supraoptic nucleus and paraventricular nucleus of the hypothalamus. Along with its carrier protein, neurophysin II, it is packaged into neurosecretory vesicles and transported axonally to the nerve endings in the neurohypophysis where it is either stored or secreted into the bloodstream. The precursor is thought to be activated while it is being transported along the axon to the posterior pituitary. Arginine vasopressin acts as a growth factor by enhancing pH regulation through acid-base transport systems. It has a direct antidiuretic action on the kidney, and also causes vasoconstriction of the peripheral vessels.

Reference

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