Fig. 1From: The chitosan/carboxymethyl cellulose/montmorillonite scaffolds incorporated with epigallocatechin-3-gallate-loaded chitosan microspheres for promoting osteogenesis of human umbilical cord-derived mesenchymal stem cella 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 < 0.001Back to article page