PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16088227-0 2005 Age-related increase of kynurenic acid in human cerebrospinal fluid - IgG and beta2-microglobulin changes. Kynurenic Acid 24-38 beta-2-microglobulin Homo sapiens 78-97