PESQUISA VETERINÁRIA BRASILEIRA

Abstract in English:

ABSTRACT.- Maggioli M.F., Lobo J.R., Fioravanti M.C.S., Kipnis A. & Junqueira-Kipnis A.P. 2013. Cellular immune response of Curraleiro Pé-duro and Nellore calves following Mycobacterium bovis-BCG vaccination. Pesquisa Veterinária Brasileira 33(12):1403-1408. Laboratório de Imunopatologia das Doenças Infecciosas, Instituto de Patologia Tropical e Saúde Pública, Rua Delenda Resende de Melo s/n, Setor Universitário, Goiânia, GO 74605050, Brazil. E-mail: apkipnis@gmail.com The present study aimed to assess the CD4, CD8 and gd blood levels for Curraleiro Pé-duro, as well as the specific IFN-g response after BCG vaccination using flow cytometry. The specific immune response against BCG was also evaluated by tuberculin skin test, performed before and 45 days after the vaccination. For comparison purposes, the same parameters were investigated on Nellore calves, an exotic bovine with resistance previously demonstrated. Naturally, Curraleiro Pé-duro animals had greater levels of CD4, CD8 and &#947;&#948; lymphocytes (p<0.05). In response to vaccine, Curraleiro Pé-duro showed greater ability to respond specifically to BCG, generating resistance profile (Th1), evidenced by greater number of antigen specific CD4+ cells producing IFN-&#947; (p<0.05) and also higher tuberculin skin test reaction (p<0.05). Additionally, vaccinated Curraleiro Pé-duro calves had higher CD4 cells numbers than both Nellore control (p<0.05) and vaccinated groups (p<0.05). Curraleiro Pé-duro calves’ higher basal lymphocytes blood level and stronger response in both IFN-&#947; and tuberculin skin test parameters probably play a positive role on protection/resistance to Mycobacterium bovis.

• Mycobacterium bovis-BCG vaccination tuberculosis vacinação com Mycobacterium bovis-BCG resistência bovina tuberculose citometria de fluxo

Abstract in Portuguese:

RESUMO.- Maggioli M.F., Lobo J.R., Fioravanti M.C.S., Kipnis A. & Junqueira-Kipnis A.P. 2013. Cellular immune response of Curraleiro Pé-duro and Nellore calves following Mycobacterium bovis-BCG vaccination. [Resposta imune celular de bezerros Curraleiro Pé-duro e Nelore após vacinação com Mycobacterium bovis-BCG.] Pesquisa Veterinária Brasileira 33(12):1403-1408. Laboratório de Imunopatologia das Doenças Infecciosas, Instituto de Patologia Tropical e Saúde Pública, Rua Delenda Resende de Melo s/n, Setor Universitário, Goiânia, GO 74605050, Brazil. E-mail: apkipnis@gmail.com O presente estudo teve como objetivo avaliar níveis sanguíneos de células CD4, CD8 e &#947;&#948; no sangue periférico de bezerros Curraleiro Pé-Duro, bem como a produção específica de IFN-&#947; por essas células em resposta à vacinação com BCG, através de citometria de fluxo. A resposta imune específica contra BCG também foi avaliada por teste tuberculínico, realizado antes e 45 dias após a vacinação. Para fins de comparação, os mesmos parâmetros foram investigados em bezerros da raça Nelore, uma raça bovina exótica com resistência demonstrado anteriormente. Naturalmente, animais da raça Curraleiro Pé-Duro apresentaram maiores níveis de CD4, CD8 e linfócitos &#947;&#948;. Em resposta a vacina, Curraleiro Pé-duro mostrou maior capacidade de responder especificamente ao BCG, gerando perfil de resistência (Th1), evidenciado pelo maior número de células CD4+ específicas produtoras de IFN-&#947; e maior reação cutânea a por tuberculina. Os maiores níveis basais de linfócitos, maior produção de IFN-&#947; e reação cutânea à prova tuberculínica provavelmente desempenham um papel positivo na proteção/resistência ao Mycobacterium tuberculosis.

Abstract in English:

ABSTRACT.- Vieira R.C., Bombardiere E., Oliveira J.J., Lino-Júnior R.S., Brito L.A.B. & Junqueira-Kipnis A.P. 2008. [Influence of Copaifera langsdorffii oil on the repair of a surgical wound in the presence of foreign body.] Influência do óleo de Copaifera langsdorffii no reparo de ferida cirúrgica em presença de corpo estranho. Revista Pesquisa Veterinária Brasileira 28(8):358-366. Instituto de Patologia Tropical e Saúde Pública (IPTSP), UFG, Rua 235 s/n, Sala 325, Setor Universitário, Goiânia, GO 74605-050, Brazil. E-mail: rafael.objetivo@gmail.com Copaifera langsdorffii is a Brazilian native leguminosae that produce resin-oil, popularly known as copaíba oil. This oil is used for the treatment of skin wound due to its recognized antiinflammatory and wound healing effects. Despite, its popular use, there are few published data about the therapeutic effect of this medicinal plant. The aim of the study was to evaluate the topic treatment effect of the Copaíba oil on the process of skin repair inflammation induced by a foreign body subcutanously implanted. Sixty BALB/c mice were submitted to a 1cm linear incision and a 12mm circle coverslip was subcutaneously implanted. Four treatments groups were established: control, sterile saline (C); vehicle control, sterile mineral oil, (VC); treatment 1 (T1), mineral oil plus copaiba oil (V/V), and treatment 2 (T2) copaiba oil. The evaluations were performed at pre-determined time points (1, 3, 5, 7 and 14 days). It was possible to find fibroblasts, epithelial cells proliferation, re-epithelization and newly formed blood vessels in all groups, however, all oil treated groups (T1 and T2) did not present re-epithelization at three days post surgical incision. On days 5 and 7, a higher intensity of edema and hyperemia on the groups T1 and T2 was observed, besides that, the T1 and T2 groups presented a serous cellular scab on the wounds that was absent on the C and VC groups. The inflammatory reactions among the groups C and VC showed more mononuclear cells than the T1 and T2 groups that presented a mixed cell patter composed from both mono and polymorphonuclear cells. Although the surgical wounds were re-epithelizaded, in the groups T1 and T2, they were covered by a serous cellular crust and the dermis tissue still presented an intense mononuclear cell inflammatory focus. Fourteen days after of the surgical incision, the gross aspects on groups C and VC were similar and on groups T1 and T2, despite wound to be completely closed and without crusts, the skin those animals was thickened. Furthermore, the dermis on group T2 presented moderate fibrosis, while the other groups presented slightly ones. The results demonstrated that topical treatment with C. langsdorffii oil debilitated the normal process of a wound repair in the presence of a foreign body.

• Copaifera langsdorffii copaíba wound healing anti-inflammatory

Abstract in Portuguese:

ABSTRACT.- Vieira R.C., Bombardiere E., Oliveira J.J., Lino-Júnior R.S., Brito L.A.B. & Junqueira-Kipnis A.P. 2008. [Influence of Copaifera langsdorffii oil on the repair of a surgical wound in the presence of foreign body.] Influência do óleo de Copaifera langsdorffii no reparo de ferida cirúrgica em presença de corpo estranho. Revista Pesquisa Veterinária Brasileira 28(8):358-366. Instituto de Patologia Tropical e Saúde Pública (IPTSP), UFG, Rua 235 s/n, Sala 325, Setor Universitário, Goiânia, GO 74605-050, Brazil. E-mail: rafael.objetivo@gmail.com Copaifera langsdorffii is a Brazilian native leguminosae that produce resin-oil, popularly known as copaíba oil. This oil is used for the treatment of skin wound due to its recognized antiinflammatory and wound healing effects. Despite, its popular use, there are few published data about the therapeutic effect of this medicinal plant. The aim of the study was to evaluate the topic treatment effect of the Copaíba oil on the process of skin repair inflammation induced by a foreign body subcutanously implanted. Sixty BALB/c mice were submitted to a 1cm linear incision and a 12mm circle coverslip was subcutaneously implanted. Four treatments groups were established: control, sterile saline (C); vehicle control, sterile mineral oil, (VC); treatment 1 (T1), mineral oil plus copaiba oil (V/V), and treatment 2 (T2) copaiba oil. The evaluations were performed at pre-determined time points (1, 3, 5, 7 and 14 days). It was possible to find fibroblasts, epithelial cells proliferation, re-epithelization and newly formed blood vessels in all groups, however, all oil treated groups (T1 and T2) did not present re-epithelization at three days post surgical incision. On days 5 and 7, a higher intensity of edema and hyperemia on the groups T1 and T2 was observed, besides that, the T1 and T2 groups presented a serous cellular scab on the wounds that was absent on the C and VC groups. The inflammatory reactions among the groups C and VC showed more mononuclear cells than the T1 and T2 groups that presented a mixed cell patter composed from both mono and polymorphonuclear cells. Although the surgical wounds were re-epithelizaded, in the groups T1 and T2, they were covered by a serous cellular crust and the dermis tissue still presented an intense mononuclear cell inflammatory focus. Fourteen days after of the surgical incision, the gross aspects on groups C and VC were similar and on groups T1 and T2, despite wound to be completely closed and without crusts, the skin those animals was thickened. Furthermore, the dermis on group T2 presented moderate fibrosis, while the other groups presented slightly ones. The results demonstrated that topical treatment with C. langsdorffii oil debilitated the normal process of a wound repair in the presence of a foreign body.