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Somat Cell Mol Genet. 1990 Nov;16(6):567-74.

The serotonin receptor subtype 2 locus HTR2 is on human chromosome 13 near genes for esterase D and retinoblastoma-1 and on mouse chromosome 14.

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  • 1Howard Hughes Medical Institute, Stanford University Medical Center, California 94305.

Abstract

Serotonin (5-hydroxytryptamine) functions as a neurotransmitter and a hormone. Its diverse actions are mediated by at least seven distinct cell surface receptor subtypes. The serotonin receptor subtype 2 (gene symbol HTR2) is a G-protein-coupled receptor, expressed primarily in the cerebral cortex, where upon stimulation it stimulates the hydrolysis of inositol phospholipids. We have mapped the HTR2 locus to human chromosome 13 and to mouse chromosome 14 by somatic cell hybrid analysis. Linkage studies in CEPH families, using a PvuII RFLP detected with the HTR2 probe, revealed tight linkage between HTR2 and ESD, the locus for esterase D. The most likely position for HTR2 is between ESD and RB1, the retinoblastoma-1 gene. The homologous loci in mouse, Rb-1 and Esd(Es-10) are on mouse chromosome 14, close to ag, agitans, a recessive neurological mutation. Having mapped Htr-2 to mouse chromosome 14, we predict that it falls into this known conserved gene cluster.

PMID:
1980030
[PubMed - indexed for MEDLINE]
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