(A–C) The mRNA expression of TGFβ, MCP1, and PDGFRβ was examined by qPCR in whole kidney lysates of WT/WT or ex/ex mice at different time points after ischemia (n = 4). (D–G) Macrophage and neutrophil infiltration in the kidney of ADAM17ex/ex mice (D and E; n = 5–6) or PTC-KO (Cre fl/fl) mice (F and G; n = 4–5) and their WT/WT littermates was examined by immunostaining at different time points after ischemia or 7 days after UUO (n = 5). *P < 0.05; **P < 0.01;***P < 0.001 as determined by an unpaired 2-tailed Student’s t test. ADAM17, a disintegrin and metalloprotease 17; IRI, ischemia reperfusion injury; MCP1, monocyte chemoattractant protein 1; PDGFRβ, platelet derived growth factor receptor beta; PTC-KO, proximal tubule cell KO; UUO, unilateral ureteral obstruction.