Fig. 4

CD36 silencing inhibited lipid accumulation and MQ polarization. CD36 silencing inhibited lipid uptake in MQ (A). M1 type MQ polarization markers CD86 (B) and CD11C (C) expression was reduced in CD36-silenced MQ. Statistical significance (p ≤ 0.05) between Sham and exposure (nicotine or without nicotine) condition was indicated as * in each group (Control group, CD36 shRNA group and control shRNA group). CD35 and CD64 expression was downregulated in ECIG-aerosol-exposed MQ