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The expression and co-localization of TLR4 and HIF-1α detected by immunofluorescence staining. Green, HIF-1α expression; red, TLR4 expression; blue, nuclei. LPS, lipopolysaccharide; si, small interfering RNA; TLR4, Toll-like receptor 4; MβCD, methyl-β-cyclodextrin; PDTC, ammonium pyrrolidinedithiocarbamate.
