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Representative of immunostaining of vanin-1 and 4-HNE in the obstructed kidney of rats with UUO. (A) Vanin-1 expression was localized both around the injured tubules and within a subset of injured tubules, but not in the area with interstitial fibrosis. (B) 4-HNE, which is an oxidative stress marker, was positive in the renal tubules of obstructed kidney of rats with UUO. Scale bar: 100 μm.
