PRRSV LN strain infection could impair the normal antigen presentation ability of Mo-DCs of porcine peripheral blood.
PRRSV LN strain infection could influence the mature of Mo-DCs by down-regulating the expressions of costimulatory molecules.
PRRSV LN could lead to inadequate in the adaptive immune response in early PRRSV infection by causing the Thl/Th2 unbalance.