Propolis Ethanol Extract Stimulates Cytokine and Chemokine Production through NF-κB Activation in C2C12 Myoblasts

Figure 3

Effect of supernatants from PEE-conditioned C2C12 cells on macrophage migration. (a) Representative microscopic images of the RAW264 macrophages treated with supernatant from C2C12 cells treated with PEE or vehicle for 8 h. Scale bars represent 200 μm. (b) Quantification of macrophage migration based on the wells’ fluorescent intensity (means ± SD of four wells). versus supernatant from vehicle-conditioned control cells.

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