[HTML][HTML] Immunisation of mice with Mycoplasma hyopneumoniae antigens P37, P42, P46 and P95 delivered as recombinant subunit or DNA vaccines
V Galli, S Simionatto, SB Marchioro, A Fisch… - Vaccine, 2012 - Elsevier
Vaccine, 2012•Elsevier
Porcine enzootic pneumonia (PEP), which is caused by the fastidious bacterium
Mycoplasma hyopneumoniae, is one of the most economically important diseases in the pig
industry worldwide. Commercial bacterins provide only partial protection; therefore, the
development of more efficient vaccines against PEP is necessary. In this study, the cellular
and humoral immune responses elicited by DNA and recombinant subunit vaccines based
on the P37, P42, P46 and P95 antigens of M. hyopneumoniae were evaluated after the …
Mycoplasma hyopneumoniae, is one of the most economically important diseases in the pig
industry worldwide. Commercial bacterins provide only partial protection; therefore, the
development of more efficient vaccines against PEP is necessary. In this study, the cellular
and humoral immune responses elicited by DNA and recombinant subunit vaccines based
on the P37, P42, P46 and P95 antigens of M. hyopneumoniae were evaluated after the …
Porcine enzootic pneumonia (PEP), which is caused by the fastidious bacterium Mycoplasma hyopneumoniae, is one of the most economically important diseases in the pig industry worldwide. Commercial bacterins provide only partial protection; therefore, the development of more efficient vaccines against PEP is necessary. In this study, the cellular and humoral immune responses elicited by DNA and recombinant subunit vaccines based on the P37, P42, P46 and P95 antigens of M. hyopneumoniae were evaluated after the intramuscular inoculation of BALB/c mice. The expression of the cytokines INFγ, TNFα and IL1 was evaluated by real-time RT-PCR in splenocytes from vaccinated mice. All antigens delivered as subunit vaccines, especially P42 and P95, and the pcDNA3/P46 DNA vaccine were able to elicit strong immune responses. These vaccines induced cellular immune responses and the production of antibodies able to react with native M. hyopneumoniae proteins. Because both cellular and humoral immune responses were induced, P42 and P95 are promising candidates for a recombinant subunit vaccine and P46 is a promising candidate for a DNA vaccine against PEP.
Elsevier
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