1.Studies of the pig interleukin 2(IL-2) eukaryon expression plasmid on cellular immune responses of BALB/c mice immuned with pcDNA-PRRSV-ORF5 DNA vaccine
Xiwen CHEN ; Anchun CHENG ; Mingshu WANG ; Nigen XINI ; Wenbo DOU ; Pingying ZHANG ; Xuemei LI ; Gang WANG ; Wumei LIU
Chinese Journal of Immunology 1985;0(01):-
Objective:To study the effect of pig interleukin 2(IL 2) eukaryon expression plasmid on cellular immune responses of BALB/c mice immuned with pcDNA PRRSV ORF5 DNA vaccine.Methods:BALB/c mice were immunized with pcDNA PRRSV ORF5 DNA vaccine and pig interleukin 2(IL 2) eukaryon expression plasmid by the routes of co injection and DNA vaccine injection alone respectively, with PBS and pcDNA3 1(+) as controls. Fluoresecence Activated Cell Sorter(FACS),T lymphocyte proliferation test(MTT) were used to detect the number of CD4 +、CD8 + and the T lymphocyte proliferation in peripheral blood of mice vaccinated.Results:ConA response of T lymphocytes in blood was higher in experiment group than the control group ( P
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