Cover: Confocal micrograph of lumbar spinal cord section (orange = androgen receptor; green = NeuN, neuron marker; blue = glial fibrillary acidic protein) interposed next to a H&E stained quadriceps muscle section, both from a mouse model of x-linked spinal and bulbar muscular atrophy. Note accumulation of AR protein in motor neuron nuclei and muscle histopathology (connective tissue infiltration and variably sized fibers with central nuclei). See Thomas et al., pp. 2225-2238, this issue, for further information.
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