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hBMSC upregulated antioxidant enzymes expression of HO-1 and catalase in aortas. The antioxidant enzyme expression of HO-1 (a) and catalase (b) was examined by immunohistochemical staining followed with semiquantitative analysis. Data were presented as means ± SD (n = 7). ∗P < 0.05 versus control group; &P < 0.05 versus IR group; #P < 0.05 versus IR + LD hBMSC group. Scale bar, 50 μm.
