PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20008879-3 2009 The first GWA study on chronic obstructive pulmonary disease (COPD) identified two single nucleotide polymorphisms at the alpha-nicotinic acetylcholine receptor (CHRNA 3/5) locus, identified earlier as risk factor for both lung cancer and nicotine dependence, to be associated with COPD. Nicotine 239-247 cholinergic receptor nicotinic alpha 3 subunit Homo sapiens 162-172