PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23518236-0 2013 Nanohydroxyapatite increases BMP-2 expression via a p38 MAP kinase dependent pathway in periodontal ligament cells. nanohydroxyapatite 0-18 bone morphogenetic protein 2 Homo sapiens 29-34