L-Arginine Ameliorates High-Fat Diet-Induced Atherosclerosis by Downregulating miR-221

Figure 1

Histological morphology of rat aortic tissues. Typical hematoxylin and eosin (H&E) staining of the tissue (×100). (a) Blank group. (b) High-fat-diet group without intervention. (c) Prevention group. (d) Statin group. Scale bar is shown in Figure 1(a).

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