Fig. 2. Effects of serelaxin on CFs proliferation. The effect of serelaxinon CFs proliferation was detected by CCK-8 assay after treatment for 24 and 48 h. The optical density was normalized to a relative value of 100% for untreated cells. Data were represented as means ± standard deviation (SD) from three independent experiments. *p < 0.05 versus control, #p < 0.05 versus LPS group.