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. 2023 Apr 11;10:1140054. doi: 10.3389/fnut.2023.1140054

Figure 4.

Figure 4

Tryptophan induced Kyn/IS accumulation and AhR pathway activation in CKD rats. (A) Serum creatinine, blood urea nitrogen, albumin, urine protein and AhR. (B) Periodic acid–Schiff (PAS) staining of kidney tissue (100×). (C) The levels of tryptophan metabolites in serum (n = 6 in sham and Ade + Trp-H group, n = 7 in Ade and Ade + Trp-L group). The data are presented as the means + standard deviation (**p < 0.01).