Fig. 2. Acute ozone exposure differentially affects the gene expression of circadian clock genes in the lungs analyzed by qRT-PCR.
(A-B) Gene expression of circadian clock genes (Clock, Arntl, Nr1d1, Nr1d2, Nfil3, Per1, Per2, Cry1, Cry2, and Rora) in females and males exposed to FA vs. O3 (2 ppm) for 3 h. Data are mean ± SEM (n=3–4 in FA group and n=4–7 in O3 group) and significance determined using Student’s t-test. * P < 0.05, FA vs. O3.