PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26733254-10 2016 In our large study on Italian and Sardinian ALS patients with C9ORF72 GGGGCC hexanucleotide repeat expansion, compared to age-, gender- and ethnic-matched controls, ATXN2 polyQ intermediate length does not represent a modifier of ALS risk, differently from non-C9ORF72 mutated patients. polyglutamine 171-176 ataxin 2 Homo sapiens 165-170