PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33644966-1 2021 Huntington"s disease arises from polyQ expansion within the exon-1 region of huntingtin (htt ex1 ), resulting in an aggregation prone protein that accumulates in neuronal inclusion bodies. polyglutamine 33-38 huntingtin Homo sapiens 77-87