The mouse 5-HT1C receptor contains eight hydrophobic domains and is X-linked

Lei Yu, Hieu Nguyen, Huong Le, Laura J. Bloem, Christine A. Kozak, Beth J. Hoffman, Terry P. Snutch, Henry A. Lester, Norman Davidson, Hermann Lübbert

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

The neurotransmitter serotonin (5-hydroxytryptamine, 5-HT) exerts diverse physiological effects in the central and peripheral nervous systems and in smooth muscle by interacting with pharmacologically distinct membrane receptors. We report here the cDNA cloning of the mouse 5-HT1C receptor and its functional expression in Xenopus oocytes. This receptor possesses the unusual feature of containing eight hydrophobic domains capable of forming membrane-spanning α-helices, contrary to the usual '7-helix' paradigm for other membrane receptors that function through coupling to GTP-binding proteins. By hybridization analysis of Chinese hamster × mouse somatic cell hybrid lines, the gene for the receptor, designated Htrlc, has been assigned to the mouse X chromosome.

Original languageEnglish (US)
Pages (from-to)143-149
Number of pages7
JournalMolecular Brain Research
Volume11
Issue number2
DOIs
StatePublished - Sep 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Keywords

  • G protein-coupled receptor
  • X chromosome
  • Xenopus oocyte

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