Disrupted Transforming Growth Factor-β Signaling in Spinal and Bulbar Muscular Atrophy

Abstract excerpt

Spinal and bulbar muscular atrophy (SBMA) is a late-onset lower motor neuron disease caused by the expansion of a trinucleotide CAG repeat, which encodes a polyglutamine tract in androgen receptor (AR). Although it is commonly held that the pathogenic polyglutamine proteins accumulate in neurons and thereby induce transcriptional dysregulation, the downstream molecular events have remained elusive. Here, we...

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