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IHC detection showed that Pax2 was expressed in the nuclei of proximal TECs in the IRI groups 24–96 h after IRI (A). The sham operation group did not show Pax2 expression in proximal tubules. The percentage of Pax2-positive proximal TECs increased 24 h after IRI and reduced to a low level 120 h after IRI, peaking at 72 h after IRI (B) (*P<0.05, IRI compared with sham).
