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Effects of Tiaozhi granule on HUVECs viability. HUVECs were incubated with different concentration of Tiaozhi granule sera for 48 hours (a) or were treated with rapamycin (Rapa) for 48 hours (b) or Ang II for 24 hours (c) under different concentration of Tiaozhi granule sera. Cell viability was analyzed by MTT assay. Data from each group is expressed as absorbance of each well at 570 nm and is presented as mean ± SEM (n = 8).
