Galanin
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Galanin
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| Identifiers | ||||||||||||||
| Symbol(s) | GAL; GALN; GLNN; MGC40167 | |||||||||||||
| External IDs | OMIM: 137035 MGI: 95637 HomoloGene: 7724 | |||||||||||||
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| RNA expression pattern | ||||||||||||||
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| Orthologs | ||||||||||||||
| Human | Mouse | |||||||||||||
| Entrez | 51083 | 14419 | ||||||||||||
| Ensembl | ENSG00000069482 | ENSMUSG00000024907 | ||||||||||||
| Uniprot | P22466 | Q3V002 | ||||||||||||
| Refseq | NM_015973 (mRNA) NP_057057 (protein) |
NM_010253 (mRNA) NP_034383 (protein) |
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| Location | Chr 11: 68.21 - 68.22 Mb | Chr 19: 3.41 - 3.41 Mb | ||||||||||||
| Pubmed search | [1] | [2] | ||||||||||||
Galanin, also known as GAL, is a human gene.[1]
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.[citation needed]
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[edit] References
[edit] Further reading
- Wynick D, Thompson SW, McMahon SB (2002). "The role of galanin as a multi-functional neuropeptide in the nervous system.". Current opinion in pharmacology 1 (1): 73–7. PMID 11712539.
- Vrontakis ME (2003). "Galanin: a biologically active peptide.". Current drug targets. CNS and neurological disorders 1 (6): 531–41. PMID 12769595.
- Mufson EJ, Counts SE, Perez SE, Binder L (2005). "Galanin plasticity in the cholinergic basal forebrain in Alzheimer's disease and transgenic mice.". Neuropeptides 39 (3): 233–7. doi:. PMID 15893372.
- Berger A, Santic R, Hauser-Kronberger C, et al. (2005). "Galanin and galanin receptors in human cancers.". Neuropeptides 39 (3): 353–9. doi:. PMID 15944034.
- Robinson JK, Bartfai T, Langel U (2006). "Galanin/GALP receptors and CNS homeostatic processes.". CNS & neurological disorders drug targets 5 (3): 327–34. PMID 16787232.
- McKnight GL, Karlsen AE, Kowalyk S, et al. (1992). "Sequence of human galanin and its inhibition of glucose-stimulated insulin secretion from RIN cells.". Diabetes 41 (1): 82–7. PMID 1370155.
- Gai WP, Geffen LB, Blessing WW (1990). "Galanin immunoreactive neurons in the human hypothalamus: colocalization with vasopressin-containing neurons.". J. Comp. Neurol. 298 (3): 265–80. doi:. PMID 1698834.
- Burleigh DE, Furness JB (1991). "Distribution and actions of galanin and vasoactive intestinal peptide in the human colon.". Neuropeptides 16 (2): 77–82. PMID 1701228.
- Fried G, Meister B, Rådestad A (1991). "Peptide-containing nerves in the human pregnant uterine cervix: an immunohistochemical study exploring the effect of RU 486 (mifepristone).". Hum. Reprod. 5 (7): 870–6. PMID 1702449.
- Bersani M, Johnsen AH, Højrup P, et al. (1991). "Human galanin: primary structure and identification of two molecular forms.". FEBS Lett. 283 (2): 189–94. PMID 1710578.
- Hyde JF, Engle MG, Maley BE (1991). "Colocalization of galanin and prolactin within secretory granules of anterior pituitary cells in estrogen-treated Fischer 344 rats.". Endocrinology 129 (1): 270–6. PMID 1711463.
- Bennet WM, Hill SF, Ghatei MA, Bloom SR (1991). "Galanin in the normal human pituitary and brain and in pituitary adenomas.". J. Endocrinol. 130 (3): 463–7. PMID 1719117.
- Schmidt WE, Kratzin H, Eckart K, et al. (1992). "Isolation and primary structure of pituitary human galanin, a 30-residue nonamidated neuropeptide.". Proc. Natl. Acad. Sci. U.S.A. 88 (24): 11435–9. PMID 1722333.
- Bauer FE, Christofides ND, Hacker GW, et al. (1986). "Distribution of galanin immunoreactivity in the genitourinary tract of man and rat.". Peptides 7 (1): 5–10. PMID 2423990.
- Bauer FE, Adrian TE, Christofides ND, et al. (1986). "Distribution and molecular heterogeneity of galanin in human, pig, guinea pig, and rat gastrointestinal tracts.". Gastroenterology 91 (4): 877–83. PMID 2427385.
- Tainio H, Vaalasti A, Rechardt L (1987). "The distribution of substance P-, CGRP-, galanin- and ANP-like immunoreactive nerves in human sweat glands.". Histochem. J. 19 (6-7): 375–80. PMID 2444569.
- Maggi CA, Santicioli P, Patacchini R, et al. (1988). "Galanin: a potent modulator of excitatory neurotransmission in the human urinary bladder.". Eur. J. Pharmacol. 143 (1): 135–7. PMID 2446889.
- Marti E, Gibson SJ, Polak JM, et al. (1988). "Ontogeny of peptide- and amine-containing neurones in motor, sensory, and autonomic regions of rat and human spinal cord, dorsal root ganglia, and rat skin.". J. Comp. Neurol. 266 (3): 332–59. doi:. PMID 2447134.
- Beal MF, Clevens RA, Chattha GK, et al. (1988). "Galanin-like immunoreactivity is unchanged in Alzheimer's disease and Parkinson's disease dementia cerebral cortex.". J. Neurochem. 51 (6): 1935–41. PMID 2460590.
- Berrettini WH, Kaye WH, Sunderland T, et al. (1989). "Galanin immunoreactivity in human CSF: studies in eating disorders and Alzheimer's disease.". Neuropsychobiology 19 (2): 64–8. PMID 2465504.
[edit] See also
[edit] External links
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