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Melatonin receptor 1A
Identifiers
Symbols MTNR1A; MT1; MEL-1A-R
External IDs OMIM600665 MGI102967 HomoloGene21207 IUPHAR: MT1 GeneCards: MTNR1A Gene
RNA expression pattern
PBB GE MTNR1A 221369 at tn.png
More reference expression data
Orthologs
Species Human Mouse
Entrez 4543 17773
Ensembl ENSG00000168412 ENSMUSG00000054764
UniProt P48039 Q14AC3
RefSeq (mRNA) NM_005958 XM_991330
RefSeq (protein) NP_005949 XP_996424
Location (UCSC) Chr 4:
187.69 - 187.71 Mb
Chr 8:
46.57 - 46.59 Mb
PubMed search [1] [2]

Melatonin receptor type 1A is a protein that in humans is encoded by the MTNR1A gene.[1][2]

This gene encodes the MT1 protein, one of two high affinity forms of a receptor for melatonin, the primary hormone secreted by the pineal gland. This receptor is a G-protein coupled, 7-transmembrane receptor that is responsible for melatonin effects on mammalian circadian rhythm and reproductive alterations affected by day length. The receptor is an integral membrane protein that is readily detectable and localized to two specific regions of the brain. The hypothalamic suprachiasmatic nucleus appears to be involved in circadian rhythm while the hypophysial pars tuberalis may be responsible for the reproductive effects of melatonin.[2]

Contents

See also

References

  1. ^ Slaugenhaupt SA, Roca AL, Liebert CB, Altherr MR, Gusella JF, Reppert SM (Nov 1995). "Mapping of the gene for the Mel1a-melatonin receptor to human chromosome 4 (MTNR1A) and mouse chromosome 8 (Mtnr1a)". Genomics 27 (2): 355-7. doi:10.1006/geno.1995.1056. PMID 7558006.  
  2. ^ a b "Entrez Gene: MTNR1A melatonin receptor 1A". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=4543.  

External links

Further reading

  • Brzezinski A (1997). "Melatonin in humans.". N. Engl. J. Med. 336 (3): 186–95. PMID 8988899.  
  • Khan AU, Olson DL (1975). "Physical therapy and exercise-induced bronchospasm.". Physical therapy 55 (8): 878–81. PMID 1144527.  
  • Reppert SM, Weaver DR, Ebisawa T (1994). "Cloning and characterization of a mammalian melatonin receptor that mediates reproductive and circadian responses.". Neuron 13 (5): 1177–85. PMID 7946354.  
  • Witt-Enderby PA, Dubocovich ML (1996). "Characterization and regulation of the human ML1A melatonin receptor stably expressed in Chinese hamster ovary cells.". Mol. Pharmacol. 50 (1): 166–74. PMID 8700109.  
  • Witt-Enderby PA, Masana MI, Dubocovich ML (1998). "Physiological exposure to melatonin supersensitizes the cyclic adenosine 3',5'-monophosphate-dependent signal transduction cascade in Chinese hamster ovary cells expressing the human mt1 melatonin receptor.". Endocrinology 139 (7): 3064–71. PMID 9645677.  
  • Ebisawa T, Kajimura N, Uchiyama M, et al. (1999). "Alleic variants of human melatonin 1a receptor: function and prevalence in subjects with circadian rhythm sleep disorders.". Biochem. Biophys. Res. Commun. 262 (3): 832–7. doi:10.1006/bbrc.1999.1308. PMID 10471411.  
  • Brydon L, Roka F, Petit L, et al. (2000). "Dual signaling of human Mel1a melatonin receptors via G(i2), G(i3), and G(q/11) proteins.". Mol. Endocrinol. 13 (12): 2025–38. PMID 10598579.  
  • Niles LP, Wang J, Shen L, et al. (2000). "Melatonin receptor mRNA expression in human granulosa cells.". Mol. Cell. Endocrinol. 156 (1-2): 107–10. PMID 10612428.  
  • Song CK, Bartness TJ (2001). "CNS sympathetic outflow neurons to white fat that express MEL receptors may mediate seasonal adiposity.". Am. J. Physiol. Regul. Integr. Comp. Physiol. 281 (2): R666–72. PMID 11448873.  
  • Roy D, Angelini NL, Fujieda H, et al. (2001). "Cyclical regulation of GnRH gene expression in GT1-7 GnRH-secreting neurons by melatonin.". Endocrinology 142 (11): 4711–20. PMID 11606436.  
  • Savaskan E, Olivieri G, Meier F, et al. (2002). "Increased melatonin 1a-receptor immunoreactivity in the hippocampus of Alzheimer's disease patients.". J. Pineal Res. 32 (1): 59–62. PMID 11841602.  
  • Savaskan E, Wirz-Justice A, Olivieri G, et al. (2002). "Distribution of melatonin MT1 receptor immunoreactivity in human retina.". J. Histochem. Cytochem. 50 (4): 519–26. PMID 11897804.  
  • Ayoub MA, Couturier C, Lucas-Meunier E, et al. (2002). "Monitoring of ligand-independent dimerization and ligand-induced conformational changes of melatonin receptors in living cells by bioluminescence resonance energy transfer.". J. Biol. Chem. 277 (24): 21522–8. doi:10.1074/jbc.M200729200. PMID 11940583.  
  • Yuan L, Collins AR, Dai J, et al. (2003). "MT(1) melatonin receptor overexpression enhances the growth suppressive effect of melatonin in human breast cancer cells.". Mol. Cell. Endocrinol. 192 (1-2): 147–56. PMID 12088876.  
  • Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.  
  • Slominski A, Pisarchik A, Zbytek B, et al. (2003). "Functional activity of serotoninergic and melatoninergic systems expressed in the skin.". J. Cell. Physiol. 196 (1): 144–53. doi:10.1002/jcp.10287. PMID 12767050.  
  • Morcuende JA, Minhas R, Dolan L, et al. (2004). "Allelic variants of human melatonin 1A receptor in patients with familial adolescent idiopathic scoliosis.". Spine 28 (17): 2025–8; discussion 2029. doi:10.1097/01.BRS.0000083235.74593.49. PMID 12973153.  
  • Aust S, Thalhammer T, Humpeler S, et al. (2004). "The melatonin receptor subtype MT1 is expressed in human gallbladder epithelia.". J. Pineal Res. 36 (1): 43–8. PMID 14675129.  
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