PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18054733-10 2007 DPP-4 inhibition is suggested to be a first-line treatment of type-2 diabetes, particularly in its early stages in combination with metformin. Metformin 132-141 dipeptidyl peptidase 4 Homo sapiens 0-5