Absence of disturbed axonal transport in spinal and bulbar muscular atrophy

Abstract excerpt

Spinal and bulbar muscular atrophy (SBMA), or Kennedy's disease, is a late-onset motor neuron disease (MND) caused by an abnormal expansion of the CAG repeat in the androgen receptor (AR) gene on the X-chromosome, encoding a polyglutamine (poly-Q) sequence in the protein product. Mutant poly-Q-expanded AR protein is widely expressed but leads to selective lower motoneuron death. Although the mechanisms that...

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