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. Author manuscript; available in PMC: 2022 Sep 10.
Published in final edited form as: Sci Total Environ. 2022 Jun 1;838(Pt 1):155713. doi: 10.1016/j.scitotenv.2022.155713

Fig. 3.

Fig. 3.

Chronic Cr(VI) treatment increased CXCL5 expression in human bronchial epithelial cells. (A) CXCL5 protein expression levels in human lung fibroblasts (HLF), human umbilical vein endothelial (HUVEC) cells, and immortalized bronchial epithelial cells (B2B) treated with different concentrations of Cr(VI) for 72 h were determined by ELISA. * and **, p < 0.05 and p < 0.01 compared to control group without Cr(VI) treatment. (B) The expression of CXCL5 mRNA in cells treated with Cr (VI) for indicated time points was analyzed using qRT-PCR. (C) CXCL5 protein in supernatant of cells treated as above was detected by ELISA. P values <0.05 (5.0E-2) means the results are statistically significant. * and **, p < 0.05 and p < 0.01 compared to parental B2B cells.