Immune response of broiler chickens immunized orally with the recombinant proteins flagellin and the subunit B of cholera toxin associated with Lactobacillus spp.

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dc.contributor.authorBaptista, A. A. S. [UNESP]
dc.contributor.authorDonato, T. C. [UNESP]
dc.contributor.authorGarcia, K. C. O. D. [UNESP]
dc.contributor.authorGoncalves, G. A. M. [UNESP]
dc.contributor.authorCoppola, M. P. [UNESP]
dc.contributor.authorOkamoto, Adriano Sakai [UNESP]
dc.contributor.authorSequeira, Julio Lopes [UNESP]
dc.contributor.authorAndreatti Filho, Raphael Lucio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-12-03T13:07:03Z
dc.date.available2014-12-03T13:07:03Z
dc.date.issued2014-01-01
dc.description.abstractThis study investigated the immune response of broiler chickens with oral treatment of a Lactobacillus spp. pool (PL) associated with microencapsulated recombinant proteins flagellin (FliC) and the subunit B of cholera toxin (CTB). Immune responses were evaluated by measuring IgA from intestinal fluid, serum IgY, and immunostaining of CD8(+) T lymphocytes present in the cecum. The evaluations were performed on d 0, 7, 14, 21, and 28 posttreatment. A significant increase (P < 0.05) was observed in IgA levels in all immunized groups, especially 3 wk after immunization. Treatments 2 (recombinant CTB) and 3 (recombinant FliC+CTB) showed the highest concentrations. Similarly, serum concentrations IgY (mu g/mL) increased along the experiment, and the means for treatments 2 and 3 showed significant differences (P < 0.05) compared with controls, reaching concentrations of 533 and 540 mu g/mL, respectively. The number of CD8+ T lymphocytes in all treatments greatly differed (P < 0.05) compared with the negative control at 21 d posttreatment. However, only treatment 2 (recombinant CTB), 4 (PL), and 5 (recombinant FliC+ recombinant CTB + PL) remained significantly (P < 0.05) different from the control at 28 d posttreatment. Thus, it is concluded that the microencapsulated recombinant proteins administered orally to broiler chickens are capable of stimulating humoral and cellular immune response, and the combinations of these antigens with Lactobacillus spp. can influence the population of CD8+ T cells residing in the cecum.en
dc.description.affiliationSao Paulo State Univ, Coll Vet Med & Anim Sci, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUnespSao Paulo State Univ, Coll Vet Med & Anim Sci, BR-18618970 Botucatu, SP, Brazil
dc.description.sponsorshipSao Paulo State Foundation
dc.description.sponsorshipIdFAPESP: 09/53570-3
dc.description.sponsorshipIdFAPESP: 09/52980-3
dc.format.extent39-45
dc.identifierhttp://dx.doi.org/10.3382/ps.2013-03372
dc.identifier.citationPoultry Science. Oxford: Oxford Univ Press, v. 93, n. 1, p. 39-45, 2014.
dc.identifier.doi10.3382/ps.2013-03372
dc.identifier.issn0032-5791
dc.identifier.lattes3409765424060945
dc.identifier.lattes8502462873517464
dc.identifier.lattes4703983380224373
dc.identifier.orcid0000-0002-0355-9841
dc.identifier.urihttp://hdl.handle.net/11449/111208
dc.identifier.wosWOS:000334041800007
dc.language.isoeng
dc.publisherOxford University Press
dc.relation.ispartofPoultry Science
dc.relation.ispartofjcr2.216
dc.relation.ispartofsjr1,112
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectrecombinant flagellinen
dc.subjectrecombinant cholera toxin subunit Ben
dc.subjectLactobacillus speciesen
dc.subjectimmunoglobulin Aen
dc.subjectCD8(+) T lymphocyteen
dc.titleImmune response of broiler chickens immunized orally with the recombinant proteins flagellin and the subunit B of cholera toxin associated with Lactobacillus spp.en
dc.typeArtigo
dcterms.licensehttp://www.oxfordjournals.org/access_purchase/self-archiving_policyb.html
dcterms.rightsHolderOxford Univ Press
unesp.author.lattes3409765424060945
unesp.author.lattes8502462873517464
unesp.author.lattes4703983380224373[6]
unesp.author.orcid0000-0002-0355-9841[6]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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