Figure 3From: Replicase-based plasmid DNA shows anti-tumor activity In vivo expression of nsp4 gene. Twenty-four h after i.m. injection with PBS, pCMV-β, pSIN-β, or pSIN-β-Δnsp, total RNA was extracted from the muscle tissues and RT-PCR-amplified to detect the expression of nsp4 and β-gal genes.Back to article page