Metabolic pathways impacted by PEPCK in the small intestine of mice. αKG, α-ketoglutarate; DHAP, dihydroxyacetone phosphate; FFA, free fatty acid; GA3P, glyceraldehyde 3-phosphate; Lac, lactate; MAG, monoacylglyceride; Mal, malate; OAA, oxaloacetate; PEP, phosphoenolpyruvate; PEPCK, phosphoenolpyruvate carboxykinase; Succ, succinate.