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Molecular assay reagents intended to identify mutations in the androgen receptor (dihydrotestosterone receptor) (AR) gene, located at chromosome Xq11.21-q12.1, which encodes for a protein that functions as a steroid-hormone-activated transcription factor. Mutations at this locus have been identified in patients with androgen insensitivity syndrome (formerly testicular feminization syndrome), including Reifenstein\'s syndrome, and X-linked spinal and bulbar muscular atrophy.
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