Figure 5From: Earthworm (Pheretima aspergillum) extract stimulates osteoblast activity and inhibits osteoclast differentiation Earthworm extract stimulates the expression of osteogenic-related proteins. Western blot analysis was applied to observe the expression of ALP, osteopontin and osteocalcin of osteoblasts after treatment with PBS as a control or different concentrations of earthworm extract for 7 days.Back to article page