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Protective effect of SFN on diabetes-induced aortic pathological changes. The pathogenic changes of aortas were examined by H&E staining (a) and the accumulation of collagen was detected by Sirius-red staining (b), followed by semiquantitative analysis. Data were presented as means ± SD (n = 6); *P < 0.05 versus corresponding Ctrl; # P < 0.05 versus corresponding DM. Bar = 50 μM.
