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. 2017 Aug 29;38(5):2053–2060. doi: 10.1007/s10792-017-0697-x

Fig. 5.

Fig. 5

Changes in MCP-1 and IL-8 protein concentrations in culture medium of ARPE-19 cells in serum-free media were preincubated for 30 min with berberine or 0.05% DMSO. After LPS (1 μg/ml) had been added to the medium, the cells were incubated for 6, 12, 18, 24, and 30 h. The MCP-1 levels (a) and IL-8 concentrations (b) in the culture media after stimulation with LPS, determined using ELISA, are shown. The data are expressed as means ± standard errors of four independent experiments. *P < 0.01, compared to the value without berberine