?:definition
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Molecular assay reagents intended to identify deletions or duplications of the cytochrome P450 family 21 subfamily A member 2 (CYP21A2) gene, located at chromosome 6p21.3, which encodes the enzyme steroid 21-hydroxylase. Cytochrome P450 family members are involved in the processing of ingested drugs and the synthesizing of cholesterol, steroid hormones, and lipids. Genetic variants at this locus have been associated with 21-hydroxylase deficiency.
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