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Figure 4 | Particle and Fibre Toxicology

Figure 4

From: Ultrafine particles from diesel vehicle emissions at different driving cycles induce differential vascular pro-inflammatory responses: Implication of chemical components and NF-κB signaling

Figure 4

Dose and time courses of UFP stimulated gene expression. (A) and (B): HAEC were treated with indicated concentration of UFP1 or UFP2 for 4 hours. The expression of HO-1 (A) and VCAM (B) was measured by qRT- PCR. (C) and (D): HAEC were treated 50 μg/ml (5.2 μg/cm2) of UFP1 or UFP2 for 4 or 24 hours. The expression of HO-1 (C) and VCAM (D) was measured by qRT- PCR. (C = control; hr = hour)

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