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Figure 2 | Particle and Fibre Toxicology

Figure 2

From: Evolutionary age of repetitive element subfamilies and sensitivity of DNA methylation to airborne pollutants

Figure 2

DNA methylation differences of Alu subfamilies between low and high exposure group. Mean DNA methylation levels and 95% confidence intervals of Alu Sx (panel A), Alu Yb8 (panel B), and Alu Yd6 (panel C) in low and high exposure groups are shown for each study. Open circles represent low exposure group (Steel workers in low exposure job position in Study 1; indoor office workers in Study 2 and Study 3); closed circles represent high exposure group (Steel workers in high exposure job position in Study 1; gas station attendants in Study 2; and truck drivers in Study 3). Significant p values (< 0.05) for DNA methylation differences between low and high exposure groups are shown in the figures.

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