PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22371792-9 2010 RESULTS: Nicotine increased serum bone-resorbing cytokines (interleukin-1 and interleukin-6) and the bone resorption marker pyridinoline (PYD) while reducing the bone formation marker osteocalcin after 2 months of nicotine treatment. Nicotine 9-17 interleukin 6 Rattus norvegicus 78-91