a trend towards significancep -value = 0.056
Finally, we observed an upregulation of an oxidative stress marker, oxidized glutathione (GSSG), after 120 puffs of exposure (Log2(FC D2 ) = 0.9) and a trend towards significance after 60 puffs of exposure ( p -value = 0.056; Log2(FC D1 ) = 0.48).