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J Invest Dermatol. 1992 Jun;98(6 Suppl):77S-81S.

Mutations in the insulin receptor gene in patients with genetic syndromes of insulin resistance and acanthosis nigricans.

Author information

1
Diabetes Branch, National Institute of Diabetes, Digestive, and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892.

Abstract

Mutations of the insulin receptor gene have been identified in patients with genetic syndromes of insulin resistance associated with acanthosis nigricans. These mutations impair insulin responses by reducing the number of insulin receptors on the surface of target cells, or by reducing the receptor's ability to bind insulin or to undergo insulin-stimulated autophosphorylation, an important step in insulin action. Studies of mutant receptors expressed in transfection systems have contributed to our understanding of the structure-function relationships of the insulin receptor.

PMID:
1588128
DOI:
10.1111/1523-1747.ep12462281
[Indexed for MEDLINE]
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