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. 2024 Nov 4;10:118. doi: 10.1038/s41522-024-00592-8

Fig. 3. Overview fasting levels histidine related metabolites in humans.

Fig. 3

A Fasting serum histidine levels increased in the type 2 diabetes group after oral histidine supplementation. B Fasting Imidazole propionate levels increased in T2D and controls after two weeks and further increased after antibiotics use. Also, after the recovery period ImP levels were still higher compared to baseline (C) Fasting Urocanate level increased after antibiotics use in both groups but not at other visits compared to baseline. Paired Wilcox test FDR corrected. Control n = 19, Type 2 Diabetes n = 20.