Fig. 1

a Effect of EGCG on the activity of the HUMSCs after 48 h observed by MMT assay. b Effect of EGCG on the HUMSCs proliferation. *P < 0.05, **P < 0.01 and ***P < 0.001
a Effect of EGCG on the activity of the HUMSCs after 48 h observed by MMT assay. b Effect of EGCG on the HUMSCs proliferation. *P < 0.05, **P < 0.01 and ***P < 0.001