PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16805793-2 2006 Nicotine produced time (> 12 h)- and concentration (EC(50) 3.6 and 13 microm)-dependent increases in insulin receptor substrate (IRS)-1 and IRS-2 levels by approximately 125 and 105%, without altering cell surface density of insulin receptors. Nicotine 0-8 insulin receptor substrate 1 Bos taurus 104-138