The CAT activity in the pcDNA3.1(-)-NS5A cotransfection group was 20.7% of the CAT activity in the pCAT3-NACA group.

• pCAT3-NACA单独转染HepG2细胞的CAT酶表达活性与pCAT3-NACA和pcDNA3.；1(-)-NS5A共转染组HepG2细胞的CAT酶表达活性比较；共转染组A值下降了79