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| Cassali,G.D.; Silva,P.; Rêma,A.; Gärtner,F.; Gobbi,H.; Tafuri,W.L.; Schmitt,F.C.. |
| The authors describe their experience with an automated immunohistochemical system applied to canine tissue samples. Twenty human cellular markers specific monoclonal and polyclonal antibodies and two different antigen retrieval methods were used in normal and neoplastic breast tissue, as well as skin samples obtained from female dogs of pure and mixed breeds. The antibodies tested were the most frequently used in human and veterinary medicine studies, employed with diagnostic purposes in breast pathology, as well as in cancer research. Most of them may be used to study other normal and abnormal tissues and included cytokeratins, progesterone receptor, c-erbB2, p53, MIB-1, PCNA, EMA, vimentin, desmin, alpha-actin, S-100, pan-cadherin, and E-cadherin. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dog; Immunohistochemistry; Automated system; Mammary gland. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352001000300010 |
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| Xavier,S.C.; Chiarelli,I.M.; Lima,W.G.; Gonçalves,R.; Tafuri,W.L.. |
| A remarkable histopathological picture of one asymptomatic dog naturally infected with Leishmania infantum (syn. chagasi) has been presented. Intracellular parasites were ease found in macrophages of all exanimated organs, especially in skin. Embedded paraffin tissues of liver, spleen, axillary and popliteal lymph nodes, and skin (ear, muzzle and abdomen) were stained by hematoxylin and eosin and by immunocytochemical reaction (streptoavidin-peroxidase method) to detect parasites. All organs showed an intense parasitism associated to severe pathological changes. All lymph nodes had conspicuous histological architecture alterations. Lymphocytes were replaced by macrophages stuffed with an intense number of amastigotes forms of Leishmania. The lymphoid... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dog; Leishmania infantum; Histopathology. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000600004 |
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| Silva,L.C.; Assis,V.P.; Ribeiro,V.M.; Tafuri,W.L.; Toledo Júnior,J.C.; Silva,S.O.; Melo,M.N.; Rachid,M.A.; Valle,G.R.. |
| Considering the venereal transmission of visceral leishmaniasis from dogs to bitches, the aim of this study was to verify if the penile surface and smegma from infected dogs can be the source of parasites in bitches. Twelve Leishmania infantum infected dogs had semen and smegma samples collected for submission to PCR identification of the DNA of the parasite. Semen (41.7%) and smegma (50.0%) have similar positive incidence (P>0.05; Fisher's exact test), with 58.3% of the dogs positive for semen and/or smegma samples. The proportion of positivity for both semen and smegma was 33.3%, but 8.3% was positive only for semen, and 16.7% only for smegma, revealing a moderate agreement between tests (K=0.5; Kappa index). It was concluded that Leishmania infantum... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Leishmania infantum; Dog; Prepuce; Smegma; Semen. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000300731 |
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| Campos,L.S.; Tafuri,W.L.; Pinto,A.J.W.. |
| RESUMO Os fixadores biológicos desempenham um papel importante na qualidade final da histologia. Na rotina veterinária, a biópsia de pele é um procedimento comum e a escolha do fixador é primordial para resultado final adequado. Os fixadores mais usados são à base de formalina, ainda que sejam tóxicos, cancerígenos, de baixa penetração e de fixação lenta. Mesmo assim, não existe um fixador ideal que substitua as suas qualidades. O objetivo deste trabalho foi avaliar qualitativamente a preservação das características histológicas de pele de cão utilizando diferentes fixadores de tecidos incluídos em parafina, cortados e corados pela hematoxilina-eosina. Utilizou-se uma caneta Punch de 4 milímetros para coletar amostras de pele de orelha em seis cadáveres de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cão; Formol; Bouin; Carnoy; Histologia. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352016000501212 |
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| SantAna,J.A.P.; Lima,W.G.; Oliveira,M.R.; Simões,L.A.; Michalick,M.S.M.; Melo,M.N.; Tafuri,W.L.; Tafuri,Wg.L.. |
| The histopathological description of intralobular hepatic granulomas in animals with a defined clinical status (asymptomatic, oligosymptomatic and symptomatic animals) was reported. Seventy-one mongrel dogs naturally infected with Leishmania chagasi were obtained from two Brazilian endemic areas: João Pessoa, PB and Belo Horizonte, MG. The hepatic parasite load was determined and compared to granuloma formation. Liver fragments from all infected animals showed remarkable leishmaniotic granulomatous inflammatory reaction. Granulomas with variable size were constituted by macrophages (parasitized or not with amastigotes of L. chagasi), some epithelioid cells, small numbers of lymphocytes, plasma cells, and rare neutrophils. Asymptomatic dogs had higher... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dog; Leishmaniasis; Hepatic granuloma; Clinical status. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352007000500008 |
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| Mendes,R.S.; Gurjão,T.A.; Oliveira,L.M.; Santana,V.L.; Tafuri,W.L.; Santos,J.R.S.; Dantas,A.F.M.; Souza,A.P.. |
| A leishmaniose visceral (LV) é uma doença infecciosa crônica frequentemente fatal causada pela Leishmania infantum chagasi nas Américas. A enfermidade pode acometer vários órgãos, determinando diferentes manifestações clínicas. Contudo o envolvimento do coração raramente tem sido reportado em cães infectados por Leishmania sp. Dessa forma, descreve-se um caso de miocardite crônica com repercussões clínicas e patológicas em um cão naturalmente infectado por Leishmania infantum chagasi. A positividade para Leishmaniose Visceral foi determinada pela presença de anticorpos antiLeishmania sp. nos testes sorológicos (RIFI, ELISA e DPP) e confirmada por visualização de formas amastigotas de Leishmania sp. em punção aspirativa do linfonodo poplíteo. O exame... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cão; Miocardite; Leishmania infantum chagasi; Imuno-histoquímica; Troponina I. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000100012 |
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