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  • Title: Two novel mutations found in a patient with 17alpha-hydroxylase enzyme deficiency.
    Author: Ergun-Longmire B, Auchus R, Papari-Zareei M, Tansil S, Wilson RC, New MI.
    Journal: J Clin Endocrinol Metab; 2006 Oct; 91(10):4179-82. PubMed ID: 16849412.
    Abstract:
    CONTEXT: Congenital adrenal hyperplasia resulting from 17alpha-hydroxylase deficiency (17OHD) is a rare disorder associated with hypertension. SUBJECT AND METHODS: We describe a phenotypically and hormonally affected female patient with 17OHD. DNA sequencing of her CYP17 gene revealed a maternal heterozygous mutation in exon 2 (R125Q) and a paternal heterozygous mutation in exon 8 (R416H). These are novel mutations in the CYP17 gene that completely eliminate enzyme activity. CONCLUSION: Identification of novel mutations in the CYP17 gene is vital in understanding the molecular mechanisms of its deficiency and in providing additional information about the structure and enzymatic functions of P450c17.
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