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. 2018 Dec 10;9:1779. doi: 10.3389/fphys.2018.01779

FIGURE 1.

FIGURE 1

OPN is highly expressed in pediatric diseased kidney. (A) In the pediatric patient with enlarged right kidney, OPN (white) is highly expressed in the renal tubular epithelial cells. (B) In an elderly patient with a normal kidney, OPN (white) is moderately expressed in the renal tubular epithelial cells. Scale bar = 50 μm.