Neurophysins are carrier proteins which transport the hormones oxytocin and vasopressin to the posterior pituitary from the paraventricular and supraoptic nucleus of the hypothalamus. Neurophysins are secreted from the hypothalamus along with their passenger hormones. It appears the neurophysins are parts of the precursor molecules. They are secre...
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http://en.wikipedia.org/wiki/Neurophysins
A group of small, soluble proteins secreted by the hypothalamus. They serve as binding proteins for oxytocin and vasopressin during their transport to the posterior pituitary. They are secreted with the hormones but have no known functions other than serving as a carrier. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: nū′rō-fiz′inz Definitions: 1. A family of proteins synthesized in the hypothalamus as part of the large precursor protein that includes vasopressin and oxytocin in the neurosecretory granules; neurophysins function as carriers in the transport and storage of neurohypophysial hormones.
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http://www.medilexicon.com/medicaldictionary.php?t=60221
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