The ovine melatonin-related receptor

Cloning and Preliminary Distribution and Binding Studies

Janice Drew, Perry Barrett, Lynda Williams, S Conway, Peter John Morgan

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

A melatonin-related receptor was cloned from an ovine genomic library, The sequenced gene has a similar structure to that of the melatonin receptor gene family and consists of two exons separated by an intron of approximately 3 kb, Exon 1 and exon 2 of the ovine melatonin-related receptor encode a protein of 575 amino acids which is 73.8% homologous to the human melatonin-related receptor and shows 40.9% homology with the ovine Mel(1a) melatonin receptor. COS-7 cells transiently expressing ovine melatonin-related receptors did not bind 2-[I-125]iodomelatonin or H-3-melatonin. Reverse transcription-polymerase chain reaction (RT-PCR) and in situ hybridization studies revealed expression of the ovine melatonin-related receptor in the hypothalamus, pituitary, retina and retinal pigment epithelium, Furthermore, expression of the ovine melatonin-related receptor is shown to be coincident with Mel(1a) and 2-[I-125]iodomelatonin binding in the pituitary and serotonin N-acetyl transferase (arylalkylamine N-acetyl transferase, AANAT) expression in the retina. Expression patterns and similarity with the melatonin receptor gene family suggest a role for this novel G protein-coupled receptor in control and regulation of endocrine function and retinal physiology.

Original languageEnglish
Pages (from-to)651-661
Number of pages11
JournalJournal of Neuroendocrinology
Volume10
Issue number9
DOIs
Publication statusPublished - Sep 1998

Keywords

  • melatonin-related receptors
  • melatonin receptors
  • hypothalamus
  • pituitary
  • retina
  • N-acetyl transferase
  • ovine
  • 2-<I-125>IODOMELATONIN BINDING
  • expression cloning
  • pars-tuberalis
  • messenger-RNA
  • protein
  • identification
  • localization
  • cells

Cite this

The ovine melatonin-related receptor : Cloning and Preliminary Distribution and Binding Studies. / Drew, Janice; Barrett, Perry; Williams, Lynda; Conway, S ; Morgan, Peter John.

In: Journal of Neuroendocrinology, Vol. 10, No. 9, 09.1998, p. 651-661.

Research output: Contribution to journalArticle

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abstract = "A melatonin-related receptor was cloned from an ovine genomic library, The sequenced gene has a similar structure to that of the melatonin receptor gene family and consists of two exons separated by an intron of approximately 3 kb, Exon 1 and exon 2 of the ovine melatonin-related receptor encode a protein of 575 amino acids which is 73.8{\%} homologous to the human melatonin-related receptor and shows 40.9{\%} homology with the ovine Mel(1a) melatonin receptor. COS-7 cells transiently expressing ovine melatonin-related receptors did not bind 2-[I-125]iodomelatonin or H-3-melatonin. Reverse transcription-polymerase chain reaction (RT-PCR) and in situ hybridization studies revealed expression of the ovine melatonin-related receptor in the hypothalamus, pituitary, retina and retinal pigment epithelium, Furthermore, expression of the ovine melatonin-related receptor is shown to be coincident with Mel(1a) and 2-[I-125]iodomelatonin binding in the pituitary and serotonin N-acetyl transferase (arylalkylamine N-acetyl transferase, AANAT) expression in the retina. Expression patterns and similarity with the melatonin receptor gene family suggest a role for this novel G protein-coupled receptor in control and regulation of endocrine function and retinal physiology.",
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