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Quantitative morphometry of interstitial area shows regression after AKI. Multiple random images were analyzed by calculating the total positive area of micrographs stained with the indicated antibodies. Scatter plots show data points with the mean and 1 SD indicated. Note the significant decrease in interstitial fibroblast area by FA14 treatment, whereas U14 remains high. SMA, Smooth Muscle Actin; UN, Uninjured.
