Cited by 324Sexual Differentiation and DisordersAdrenal Hormones and DisordersMetabolism and Genetic Disorders

Steroid 21-hydroxylase deficiency: genotype may not predict phenotype

Wilson, R. C.·1995·Journal of Clinical Endocrinology & Metabolism

Abstract

Steroid 21-hydroxylase deficiency is the most frequent cause of congenital adrenal hyperplasia. We have determined the 21-hydroxylase genotype in 197 patients with congenital adrenal hyperplasia owing to 21-hydroxylase deficiency and assessed phenotypic characteristics based on 1) genital status with respect to virilization in females, 2) ACTH stimulation tests to evaluate the secretion of androgens and 17-hydroxyprogesterone, and 3) salt deprivation tests to precisely describe the phenotype with respect to aldosterone deficiency and salt wasting. After dividing our patients into 26 21-hydroxylase gene mutation-identical groups, we found that, in general, the patient's phenotype matched the severity of the genotype. However, in 13 of these groups, the genotype did not always predict the phenotype, even within families. This study, has demonstrated that the 10 most common mutations observed in the 21-hydroxylase gene result in phenotypes that are not always concordant with the genotype.

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Crossref · 10.1210/jc.80.8.2322

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Authors
Wilson, R. C.
Venue
Journal of Clinical Endocrinology & Metabolism
Published
1995-08-01
Volume
80
Issue
8
Pages
2322-2329
ISSN
0021-972X (ISSN-L)
OpenAlex
W2014696401
Cited by
324
References
0
Citations by year
2025: 2 · 2024: 2 · 2023: 3 · 2022: 4 · 2021: 6 · 2020: 8 · 2019: 10 · 2018: 6 · 2017: 3 · 2016: 9 · 2015: 8 · 2014: 7 · 2013: 10 · 2012: 6
FWCI
4.09
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Center for Research Resources (RR06020)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD 00072)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Sexual Differentiation and Disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
Keywords
21-hydroxylase deficiency, congenital adrenal hyperplasia, genotype-phenotype discordance, 17-hydroxyprogesterone, ACTH stimulation test, aldosterone deficiency, salt wasting
MeSH terms
Adrenal Hyperplasia, Congenital, Adult, Aldosterone, Alleles, Child, Preschool, Female, Genotype, Humans, Infant, Newborn, Male, Mutation, Phenotype, Regression Analysis, Steroid 21-Hydroxylase, Virilism

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