Galanin

galanin
Identifiers
Symbol	GAL
Alt. symbols	GALN
Entrez	51083
HUGO	4114
OMIM	137035
RefSeq	NM_015973
UniProt	P22466
Other data
Locus	Chr. 11 q13.3-13.5

WikiDoc Resources for Galanin
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List of terms related to Galanin

Galanin is a 30 amino acid neuropeptide which is cleaved from preprogalanin. It is involved in a number of physiological processes such as regulation of food intake, metabolism and reproduction, regulation of neurotransmitter and hormone release, nociception, intestinal contraction and secretion, and more recently in nervous system development and response to injury. This wide diversity of action is mediated by several galanin receptor subtypes.

Galanin is predominantly an inhibitory, hyperpolarizing neuropeptide and as such inhibits neurotransmitter release. The Galanin receptor is often co-localized with classical neurotransmitters such as acetylcholine, dopamine, serotonin and norepinephrine and also with other neuromodulators such as Neuropeptide Y, Substance P and Vasoactive Intestinal Peptide.

Galanin has been implicated in the progression of Alzheimer's disease.

See also

• galanin receptor

External links

• Galanin at the US National Library of Medicine Medical Subject Headings (MeSH)

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