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Ghrelin receptor gene polymorphisms and body size in children and adults

  • Edwin A Garcia
  • , Barbara Heude
  • , Clive J Petry
  • , Maria Gueorguiev
  • , Zaki K Hassan-Smith
  • , Antigoni Spanou
  • , Susan M Ring
  • , David B Dunger
  • , Nicholas Wareham
  • , Manjinder S Sandhu
  • , Ken K Ong
  • , Márta Korbonits
  • Institute of Metabolic Science
  • Queen Mary University of London

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: The GH secretagogue receptor type 1a gene (GHSR) encodes the cognate receptor of ghrelin, a gut hormone that regulates food intake and pituitary GH secretion. Previous studies in U.S. families and a German population suggested GHSR to be a candidate quantitative locus for association with human obesity and growth.

AIM: The aim of the study was to test common genetic variation in GHSR for association with body size in children and adults.

METHODS: Sequencing was performed to systematically identify novel single nucleotide polymorphisms (SNPs) in GHSR. A set of three haplotype-tagging SNPs that captured all the genetic variation in GHSR was identified. These three haplotype-tagging SNPs were then genotyped in three large population-based U.K. cohort studies (two adult and one childhood cohort) comprising 5807 adults and 843 children.

RESULTS: No significant genotype or haplotype associations were found with adult or childhood height, weight, or body mass index.

CONCLUSION: Common variation in GHSR is not associated with body size in U.K. adults or children.

Original languageEnglish
Pages (from-to)4158-4161
Number of pages4
JournalJournal of Clinical Endocrinology and Metabolism
Volume93
Issue number10
DOIs
Publication statusPublished - Oct 2008

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Adult
  • Aged
  • Body Size/genetics
  • Child
  • Child, Preschool
  • Cohort Studies
  • DNA Mutational Analysis
  • Female
  • Gene Frequency
  • Genotype
  • Humans
  • Infant
  • Linkage Disequilibrium
  • Male
  • Middle Aged
  • Polymorphism, Single Nucleotide
  • Receptors, Ghrelin/genetics
  • United Kingdom

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