PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25236722-2 2014 Maintenance of these neurotransmitter pools is strictly dependent on the de novo synthesis of glutamine in astrocytes which requires both the anaplerotic enzyme pyruvate carboxylase and glutamine synthetase. Glutamine 94-103 pyruvate carboxylase Homo sapiens 161-181