PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2305899-10 1990 We suggest that adenosine deaminase stimulates phosphatidylcholine secretion by removing adenosine that occupies A1 receptors, thus reversing inhibition of cAMP-mediated secretion. Phosphatidylcholines 47-66 adenosine deaminase Rattus norvegicus 16-35