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Effects of AuNPs on LDL-R expression. (A) A representative blot of LDL-R protein and (B) the normalized intensity of LDL-R versus GAPDH. Reverse transcription-PCR (RT-PCR) was performed with primers targeting LDL-R and GAPDH (C), and the level of LDL-R mRNA was measured using quantitative RT-PCR (D). The means ± SEM from three independent experiments were evaluated.
