Fig. 9From: Regulation of cellular gene expression by nanomaterials(Reproduced with permission [62])COS downregulates expression of the PCSK9 gene in HepG2 cells. a Western blot result showing expression of PCSK9 protein and b RT-PCR analysis of expressed PCSK9 mRNA according to the number of COS and the time after COS inoculationBack to article page