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secretoneurin

n. (context biochemistry English) A 33-amino acid neuropeptide derived from secretogranin II, found in a wide variety of peptidergic endocrine cells and involved in chemotaxis of monocytes and eosinophils.

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Secretoneurin

Secretoneurin, is a 33-amino acid neuropeptide derived from secretogranin II ( chromogranin C, CHGC).

Secretoneurin is involved in chemotaxis of monocytes and eosinophils (comparable in potency to IL8) and endothelial cells and in regulation of endothelial cell proliferation. Highest secretoneurin levels are found in anterior pituitary, followed by adrenal medulla and posterior pituitary hypothalamus (2- to 6-fold lower levels in other brain regions investigated). Secretoneurin has been shown to have potent angiogenic activity in vivo in mouse cornea model and in vitro in a 3-dimensional gel. Secretoneurin also stimulates dopamine release from the central striatal neurons and basal ganglia.