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Expression of EGFP on BHK-21 cells. BHK-21 cells were cotransfected with pVaXJ-EGFP+pVaE+pVaC, pVaXJ-EGFP+pVaE, pVaXJ-EGFP+pVaC, respectively, and the expressions of EGFP were observed through scanned by an inverted fluorescence microscope (400×) at 24 hours postinfection. The BHK-21 cells without any transfection (Mock) were used as control.
