Genetics and biochemical variability of variants of 21 hydroxylase deficiency.
نویسندگان
چکیده
منابع مشابه
Genetics and biochemical variability of variants of 21 hydroxylase deficiency.
In a population and family study we have examined the relationship between HLA types, classical congenital adrenal hyperplasia (CAH), and variants of 21 hydroxylase (21 OH) deficiency detected by increased blood levels of 17 hydroxyprogesterone (17 PO) in response to ACTH after overnight suppression with dexamethasone ('short Synacthen test'). In a non-CAH population, 7.7% of subjects were foun...
متن کاملRecent advances in biochemical and molecular analysis of congenital adrenal hyperplasia due to 21-hydroxylase deficiency
The term congenital adrenal hyperplasia (CAH) covers a group of autosomal recessive disorders caused by defects in one of the steroidogenic enzymes involved in the synthesis of cortisol or aldosterone from cholesterol in the adrenal glands. Approximately 95% of all CAH cases are caused by 21-hydroxylase deficiency encoded by the CYP21A2 gene. The disorder is categorized into classical forms, in...
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We report the biochemical hallmarks of tyrosine hydroxylase deficiency with emphasis on reliable diagnostic strategies of four new cases of an inborn error of tyrosine hydroxylase (TH). Three of our patients from different parts of the Netherlands were found homozygous for a mutation in exon 6 (G698A) of the TH gene, and one patient was found compound heterozygous for the same mutation and an a...
متن کامل21-Hydroxylase Deficiency: Newborn Screening in Iran?
Nejat Mahdieh1,2, PhD; Bahareh Rabbani1, PhD, and Ali Rabbani*1,3, MD 1. Growth and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran 2. Faculty of Medicine, Ilam University of Medical Sciences, Ilam , Iran 3. Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran 21-hydroxylase deficiency (21-OHD) accounts for the cause of 90-95% of ...
متن کاملExtensive clinical experience: nonclassical 21-hydroxylase deficiency.
CONTEXT Nonclassical congenital adrenal hyperplasia (CAH) owing to steroid 21-hydroxylase deficiency (NC21OHD) is the most frequent of all autosomal recessive genetic diseases, occurring in one in 100 persons in the heterogeneous New York City population. NC21OHD occurs with increased frequency in certain ethnic groups, such as Ashkenazi Jews, in whom one in 27 express the disease. NC21OHD is u...
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ژورنال
عنوان ژورنال: Journal of Medical Genetics
سال: 1985
ISSN: 1468-6244
DOI: 10.1136/jmg.22.5.354