PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23747723-6 2013 BMP4-induced decrease of Kv4.3 K(+) channel protein expression was also reversed by the NADPH oxidase inhibitor apocynin and the radical scavenger tempol. tempol 147-153 bone morphogenetic protein 4 Homo sapiens 0-4