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The protein expression level of TLR-4 (A) and NF-κB p65 (B) was detected by the immunofluorescence assay.
Notes: Merge: superimposed images of TLR-4 or NF-κB p65 in red and nuclei (DAPI) in blue, scale bars at 100 μm.
Abbreviations: CSE, cigarette smoke extract; DAPI, 4′,6-diamidino-2-phenylindole; NF-κB, nuclear factor κB; TLR-4, Toll-like receptor-4.
