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. 2019 Mar 11;23(8):987–994. doi: 10.1007/s10157-019-01719-4

Fig. 4.

Fig. 4

Schema depicting proximal tubule–podocyte communication. High glucose exposure primarily downregulates proximal tubular SIRT1 levels. This reduces NMN levels and podocytes’ SIRT1 levels, accompanied by claudin-1 induction and diabetic albuminuria