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Figure 2 | Veterinary Research

Figure 2

From: Attenuated Salmonella typhimurium delivering DNA vaccine encoding duck enteritis virus UL24 induced systemic and mucosal immune responses and conferred good protection against challenge

Figure 2

Indirect immunofluorescence detection of the expression of pVAX-UL24 and pVAX-LTB-UL24 in COS-7 cells (× 200). A, D and G show FITC staining; B, E and H show DAPI staining; C, F and I are the merged images of FITC and DAPI staining. (A, B, C) Indirect immunofluorescence result of COS-7 cells transfected with pVAX1; (D, E, F) Indirect immunofluorescence result of COS-7 cells transfected with pVAX-UL24; (G, H, I) Indirect immunofluorescence result of COS-7 cells transfected with pVAX-LTB-UL24.

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