PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22082664-2 2011 AGRIN is a heparan sulfate proteoglycan found abundantly in basement membranes of the cerebral vasculature, where it has been proposed to serve a functional role in the BBB. Heparitin Sulfate 11-26 agrin Mus musculus 0-5 22082664-3 2011 Furthermore, AGRIN is the major heparan sulfate proteoglycan associated with amyloid plaques in AD brains. Heparitin Sulfate 32-47 agrin Mus musculus 13-18