PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20691641-1 2010 BACKGROUND: Spinal and bulbar muscular atrophy is a hereditary motor neuron disease caused by the expansion of a polyglutamine tract in the androgen receptor. polyglutamine 113-126 androgen receptor Homo sapiens 140-157