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. 2021 Oct 8;12:755140. doi: 10.3389/fphar.2021.755140

FIGURE 4.

FIGURE 4

Effect of BUDE on vascular endothelial. (A) Changes in the plasma nitric oxide (NO). (B) Changes in the plasma endothelin 1 (ET-1). (C) Changes in the plasma endothelial nitric oxide synthase (eNOS). (D) Representative graph ( × 40, × 400) of H&E staining of the vessels: shedding of endothelial cells (red arrow) and smooth muscle cell hypertrophy (black arrow). (E) Vessel ultrastructure by scanning electron microscopy (SEM) observed at magnification 1,000× and 2000×. Compared with the normal control group # p < 0.05, ## p < 0.01; compared with the model control group * p < 0.05, ** p < 0.01, n = 9.