X-linked spinal and bulbar muscular atrophy ( SBMA ) , an adult-onset form of motor neuron disease , was recently reported to be caused by amplification of the CAG repeats in the androgen receptor gene .
x-linked spinal and bulbar muscular atrophy ( sbma ) , an adult-onset form of motor neuron disease , was recently reported to be caused by amplification of the cag repeats in the androgen receptor gene .
O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O