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J Pediatr Endocrinol Metab. 2012;25(1-2):175-9.

A case of early-onset obesity, hypocortisolism, and skin pigmentation problem due to a novel homozygous mutation in the proopiomelanocortin (POMC) gene in an Indian boy.

Author information

  • 1Department of Paediatrics and Adolescent Medicine, Princess Margaret Hospital, Hong Kong SAR, China. HCN069@ha.org.hk

Abstract

Proopiomelanocortin (POMC) is the polypeptide precursor of several biologically active melanocortin peptides that have important roles in the regulation of food intake and energy homeostasis, adrenal steroidogenesis, melanocyte stimulation, and immune modulation. Mutation of the POMC gene has been associated with adrenal insufficiency, early-onset obesity, and red hair pigmentation. We describe an Indian boy with secondary hypocortisolism, hyperphagia, early-onset obesity, and skin pigmentation problem. Genetics analysis revealed a novel homozygous mutation in the POMC gene (p.Arg86Term). The boy also had central hypothyroidism in addition to the secondary hypocortisolism. Genetics analysis for the POMC gene should be considered in patients with secondary hypocortisolism, early-onset obesity, and pigmentary problems.

PMID:
22570972
[PubMed - indexed for MEDLINE]
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