Fig. 5From: Tobacco and menthol flavored nicotine-free electronic cigarettes induced inflammation and dysregulated repair in lung fibroblast and epitheliumUnflavored and Tobacco flavored e-cig induced inflammatory responses in lung bronchial epitheliumBEAS-2B cells exposed to air, PG/VG, and tobacco flavored e-cig for 10 min, and then cultured for 2 days. (A). Cell number and viability was measured by AO/PI staining/ (B) Conditioned medium was used for IL-6 and IL-8 analysis. Data presented as mean ± SEM (n = 6. * P < 0.05 vs. air)Back to article page