Search results for: Washington Luiz Assunção Pereira

Items from 1 to 7 out of 7 results

article

Occurrence and clinical significance of abnormal liver findings by ultrasound in captive owl monkeys

Rafaela Takeshita, Gessiane Pereira Silva, Maria Vivina Barros Monteiro, Washington Luiz Assunção Pereira, more

Journal of Medical Primatology > 51 > 2 > 75 - 84

Background Imaging diagnostic methods are essential for a complete understanding of the liver function and may aid in early detection of hepatic disorders. Methods Sixty‐nine owl monkeys were grouped in three age groups (AG): AG1 (<2 years old, n = 14), 2 (2–6 years old, n = 21), and 3 (>7 years old, n = 34). The animals were evaluated by ultrasound, liver function tests, and hemogram. ...

article

Anatomopathological lesions of infection caused by Platynosomum illiciens (Braun, 1901) in Neotropical primates kept in captivity

Washington Luiz Assunção Pereira, David Marcial Fernandez Conga, Klena Sarges Marruaz da Silva, Reinaldo José da Silva, more

Journal of Medical Primatology > 50 > 1 > 82 - 85

This study described the hepatobiliary anatomopathological lesions associated with trematode Platynosomum illiciens parasitism in Neotropical primates kept in captivity. In the evaluated organs, we observed portal fibrosis, biliary epithelial hyperplasia, and inflammatory reaction with a predominance of lymphocytes and plasmocytes, and in some cases infiltration of eosinophils and neutrophils.

article

Methylation pattern and mutational status of BRCA1 in canine mammary tumors in a Brazilian population

Verena Costa Ferreira, Danilo do Rosário Pinheiro, Raissa Melo Sousa, Lucien Roberta Valente Miranda Aguirra, more

Comparative Clinical Pathology > 2019 > 28 > 1 > 63-67

In female dogs, mammary tumors are the most common neoplasia representing about 50% of the tumors affecting this species. In women, the importance of mutations in BRCA1 and mammary tumors development is well established. However, little information is available on the molecular mechanisms that contribute to canine mammary tumors. In this work, we evaluated the mutational and methylation status of...

article

Detection of Toxoplasma gondii antibodies in captive non‐human primates in the Amazon region, Brazil

Antonio Humberto Hamad Minervino, Ana Beatriz Melles Cassinelli, Alex Junior Souza Souza, Max Moreira Alves, more

Journal of Medical Primatology > 46 > 6 > 343 - 346

Background Toxoplasma gondii infections in captive non‐human primates are of interest because often they die due to severe toxoplasmosis. Thus, we aimed to evaluate samples from a serum bank to T. gondii antibodies. Methods Serum samples of 179 monkeys from the National Center of Primates, Brazil, were retrospective analyzed for T. gondii IgG antibodies by modified agglutination test using formalin‐fixed...

article

HEV infection in swine from Eastern Brazilian Amazon: Evidence of co-infection by different subtypes

Alex Junior Souza de Souza, Michele Soares Gomes-Gouvêa, Manoel do Carmo Pereira Soares, João Renato Rebello Pinho, more

Comparative Immunology, Microbiology and Infectious Diseases > 2012 > 35 > 5 > 477-485

Hepatitis E virus (HEV) is a fecal-orally transmitted member of the genus Hepevirus that causes acute hepatitis in humans and is widely distributed throughout the world. Pigs have been reported as the main source of genotypes 3 and 4 infection to humans in non-endemic areas. To investigate HEV infection in pigs from different regions of Pará state (Eastern Brazilian Amazon), we performed serological...

article

Ultrastructural aspects of Callithrix penicillata lingual papillae

Erika Branco, Washington Luiz Assunção Pereira, Ana Rita De Lima, André Luiz Rezende Franciolli, more

Microscopy Research and Technique > 75 > 3 > 282 - 284

Callithrix penicillata belongs to the family Callitrichidae, Callithrix genus. They are basically insectivorous, but they consume fruits. The mucosa of the tongue is composed of some papillary types, revealing different levels of expertise. The present study attempted to describe the morphological and ultrastructural aspects of the dorsal surface of the C. penicillata, describing the characteristics...

article

Dioctophyma renale (Goeze, 1782) in the abdominal cavity of a capuchin monkey (Cebus apella), Brazil

Mirian Naomi Ishizaki, Aline Amaral Imbeloni, José Augusto Pereira Carneiro Muniz, Sarah Raphaella Rocha de Azevedo Scalercio, more

Veterinary Parasitology > 2010 > 173 > 3-4 > 340-343

This study reports a case of parasitism by Dioctophyma renale (Goeze, 1762) encysted in the abdominal cavity of a capuchin monkey (Cebus apella) coming from the Centro Nacional de Primatas, Brazil. The animal was sent to the Veterinary Clinic sector with an increase in abdominal volume and no occurrence of any other clinical signs. Upon palpation, a movable circular mass with a diameter of approximately...

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Search results for: Washington Luiz Assunção Pereira

Occurrence and clinical significance of abnormal liver findings by ultrasound in captive owl monkeys

Anatomopathological lesions of infection caused by Platynosomum illiciens (Braun, 1901) in Neotropical primates kept in captivity

Methylation pattern and mutational status of BRCA1 in canine mammary tumors in a Brazilian population

Detection of Toxoplasma gondii antibodies in captive non‐human primates in the Amazon region, Brazil

HEV infection in swine from Eastern Brazilian Amazon: Evidence of co-infection by different subtypes

Ultrastructural aspects of Callithrix penicillata lingual papillae

Dioctophyma renale (Goeze, 1782) in the abdominal cavity of a capuchin monkey (Cebus apella), Brazil

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