PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10595940-7 1999 Our results suggest that glycosaminoglycan side chains of the HSPGs agrin, syndecan, and glypican, but not perlecan, may play an important role in the formation of both senile plaques and neurofibrillary tangles. Glycosaminoglycans 25-42 syndecan 1 Homo sapiens 75-83