Body Mass Index Quantitative Trait Locus 20

Alternative Names

  • BMIQ20
  • Obesity
  • Melanocortin 4 Receptor Deficiency
  • MC4R Deficiency
  • Obesity, Resistance to, Included

Associated Genes

Melanocortin 4 Receptor
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WHO-ICD-10 version:2010

Endocrine, nutritional and metabolic diseases

Obesity and other hyperalimentation

OMIM Number


Mode of Inheritance

Autosomal dominant Autosomal recessive

Gene Map Locus



Obesity due to mutation in the MC4R gene is the most common cause of monogenic obesity. Patients have early-onset severe obesity and hyperphagia. [From OMIM]

Epidemiology in the Arab World

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Subject IDCountrySexFamily HistoryParental ConsanguinityHPO TermsVariantZygosityMode of InheritanceReferenceRemarks
618406.1United Arab EmiratesUnknown NM_005912.3:c.485C>THomozygousAutosomal, RecessiveBen-Rebeh et al. 2012
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