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. 2017 Jul 18;7:5691. doi: 10.1038/s41598-017-05932-7

Figure 2.

Figure 2

TRAIL regulates the production of cytokines and chemokines in a time- and dose-dependent manner. (AD) SGBS adipocytes on day 14 of adipogenic differentiation were treated with TRAIL (30 ng/ml) or vehicle for 6, 12 and 24 hours. The mRNA expression of IL-6 (A), IL-8 (B), MCP-1 (C) and CCL-20 (D) was analyzed by qPCR. The mRNA levels were normalized to HPRT. Depicted are the means and SEM of 4 independent experiments. Two-way ANOVA and Sidak’s multiple comparison were used to test for statistical significance. (EH) SGBS adipocytes on day 14 of adipogenic differentiation were treated with increasing doses of TRAIL or vehicle for 6 hours. The mRNA expression of IL-6 (E), IL-8 (F), MCP-1 (G) and CCL-20 (H) was analyzed by qPCR. The mRNA levels were normalized to HPRT. Depicted are the means and SEM of 3 independent experiments. One-way ANOVA and Dunnett’s multiple comparison were used to test for statistical significance. (IL) SGBS adipocytes on day 14 of adipogenic differentiation were treated with TRAIL (30 ng/ml) or vehicle. After 24 hours, media supernatants were collected and IL-6 (I), IL-8 (J), MCP-1 (K) and CCL-20 (L) concentrations were determined by ELISA. Means and SEM of 3–7 independent experiments are shown. Unpaired Student’s t-tests were used to test for statistical significance. *p < 0.05, **p < 0.01, ***p < 0.001.