PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1982483-4 1990 We conclude that the increase in brain water content is linked to the glutamine accumulation derived from the detoxification of ammonia by glutamine synthetase. Ammonia 128-135 glutamate-ammonia ligase Rattus norvegicus 139-159