Figure 1From: Low plasma citrulline levels are associated with acute respiratory distress syndrome in patients with severe sepsisSchematic of the integration of nitric oxide production with the urea cycle. ARG1, arginase-1; CPSI, carbamyl phosphate synthase inhibitor; NADPH, nicotinamide adenine dinucleotide phosphate; NAGS, N-acetylglutamate synthase; NO, nitric oxide; OTC, ornithine transcarbamylase; TCA, tricarboxylic acid.Back to article page