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Ciência Rural

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PORTO, Ana Carolina Rusca Correa; FERNANDES, Wilson Roberto  and  BARREIRA, Maria Cristina Roque. Rhodococcus equi Part 2: immunology and profilaxy. Cienc. Rural [online]. 2011, vol.41, n.12, pp.2151-2158. ISSN 0103-8478.

Rhodococcus equi is an important pathogen in equine neonatology that is ubiquitous and a normal intestinal inhabitant of equines. All foals are exposed at birth, however, some foals develop disease and others do not. This article reviews concepts of the equine immune response, both in the immune adult and susceptible neonate, with respect to this pathogen. Humoral immune responses are addressed, with a discussion on the use of hyperimmune plasma as a prophylactic tool. The role that innate immune mechanisms play in the susceptibility of some foals to R. equi infection is also highlighted. Likewise, cell-mediated immune components are reviewed, with particular attention directed towards research to develop an effective vaccine for foals.

Keywords : Rhodococcus equi; vap genes; immune response; vaccine.

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