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. 2013 Aug 31;29(1):9–17. doi: 10.1007/s11011-013-9428-9

Fig. 4.

Fig. 4

Effects of hyperammonemia on GLN metabolism in the brain. Enhanced GLN synthesis may cause edema in astrocytes, alterations in availability of excitatory neurotransmitter glutamate, and amino acid imbalance in the brain. AA Amino acids; GA Glutaminase; GLN Glutamine; Glu Glutamate; GS Glutamine synthetase