Genetics of Congenital Adrenal Hyperplasia

Publication date: Available online 1 March 2017
Source:Endocrinology and Metabolism Clinics of North America
Author(s): Fady Hannah-Shmouni, Wuyan Chen, Deborah P. Merke

Teaser

Congenital adrenal hyperplasia (CAH) refers to a group of autosomal recessive disorders due to single-gene defects in the various enzymes required for cortisol biosynthesis. CAH represents a continuous phenotypic spectrum with more than 95% of all cases caused by 21-hydroxylase deficiency. Genotyping is an important tool in confirming the diagnosis or carrier state, provides prognostic information on disease severity, and is essential for genetic counseling. In this article, the authors provide an in-depth discussion on the genetics of CAH, including genetic diagnosis, molecular analysis, genotype-phenotype relationships, and counseling of patients and their families.


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