Figure 4From: Co-expression of Ubiquitin gene and capsid protein gene enhances the potency of DNA immunization of PCV2 in miceCytokine profile of proliferation T cells. The splenocytes were re-stimulated with inactivated PCV2. The supernatants were collected. IFN-r and IL-2 concentration (ng/mL) were determined by ELISA.Back to article page