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Analysis of CYP17A1 gene mutation in a child patient with 17 alpha-hydroxylase/17, 20-lyase deficiency / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 439-442, 2013.
Article in Chinese | WPRIM | ID: wpr-237231
ABSTRACT
<p><b>OBJECTIVE</b>To analyze CYP17A1 gene mutations in a child patient with 17 alpha-hydroxylase/17, 20-lyase deficiency (17OHD), and to review characteristics of CYP17A1 gene mutations in Chinese patients with 17OHD.</p><p><b>METHODS</b>Clinical data were collected. PCR and DNA sequencing were performed to detect mutations in the patient.</p><p><b>RESULTS</b>The patient has presented classical features of 17OHD including hypertension, hypokalemia, decreased sex hormones and plasma cortisol, and elevated blood adrenocorticotrophic hormone. A compound heterozygous mutation c.987C>A and c.985del was detected in the CYP17A1 gene, which resulted in two premature stop codons at positions 328 and 417.</p><p><b>CONCLUSION</b>A compound mutation, c.987C>A and c.985del, has been identified in a patient with 17OHD. Among CYP17A1 gene mutations identified in Chinese patients, missence mutations have been most common, and exons 5 and 8 have been the mutation hotspots.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Sequence Data / Base Sequence / Steroid 17-alpha-Hydroxylase / Adrenal Hyperplasia, Congenital / Genetics / Lyases / Mutation Type of study: Prognostic study Limits: Adolescent / Female / Humans Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Molecular Sequence Data / Base Sequence / Steroid 17-alpha-Hydroxylase / Adrenal Hyperplasia, Congenital / Genetics / Lyases / Mutation Type of study: Prognostic study Limits: Adolescent / Female / Humans Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2013 Type: Article