Research Article

[Retracted] Construction and Immunogenicity of DNA Vaccines Encoding Fusion Protein of Porcine IFN-1 and GP5 Gene of Porcine Reproductive and Respiratory Syndrome Virus

Figure 7

Concentrations (pg/mL) of Th1-type cytokine of IFN-γ in the immunized mice. Mice splenocytes samples ( ) were collected 6 weeks after primary immunization and restimulated in vitro with purified PRRSV proteins (20 μg/mL). At 72 h, the supernatant was collected to determine the IFN-γ content. It was performed by using commercially available mice cytokine ELISA kits. Data are presented as the mean ± S.D.
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