Results 31 to 40 of about 3,821 (183)

Vacina COVID-19: quanto valem os Anticorpos?

open access: yesRevista Portuguesa de Saúde Ocupacional, 2022
Introduction Since the appearance of the first cases of COVID-19, the pandemic has shown rapid growth with an impact on a global scale. The ability to generate immunity is a key factor for its control, which is why it has been a topic of exhaustive scientific investigation so far.
Peixoto,J, Vilaça,P, Oliveira,S
openaire   +2 more sources

EFEITO DO PERFIL SOROLÓGICO PARA DIARREIA VIRAL BOVINA (BVD) NAS TAXAS DE DESCARTE EM REBANHOS LEITEIROS

open access: yesCiência Animal Brasileira, 2010
Algumas doenças infecciosas são potencialmente capazes de comprometer a viabilidade de uma produção de leite economicamente sustentável. Este trabalho teve como objetivo avaliar a relação entre a soropositividade para diarreia viral bovina (BVD) nas ...
Luciano Bastos Lopes   +3 more
doaj   +1 more source

Resposta imunológica em caprinos vacinados contra agalaxia contagiosa

open access: yesPesquisa Veterinária Brasileira, 2013
Este trabalho teve como objetivo avaliar a eficiência de duas vacinas inativadas contra agalaxia contagiosa contendo adjuvante oleoso e aquoso. Para tanto, foram utilizados 73 caprinos, agrupados em dois experimentos.
Maria Dalva B. Alcântara   +7 more
doaj   +1 more source

Frequency of Toxoplasma gondii antibodies in tufted capuchin monkeys (Cebus apella nigritus) from an ecological station in the State of São Paulo, Brazil

open access: yesPesquisa Veterinária Brasileira, 2013
Toxoplasmosis is a worldwide zoonosis caused by Toxoplasma gondii, an obligate intracellular parasite protozoan. A large percentage of animals presents specific antibodies caused by a previous exposition, resulting in a chronic infection. Felides are the
Rodrigo Costa da Silva   +4 more
doaj   +1 more source

Anticorpos anti-reticulina em esquistossomose crônica

open access: yesRevista do Instituto Adolfo Lutz, 2022
Pela técnica de imunofluorescência indireta em cortes de fígado, rim, estômago, coração e diaf ragrna de camundongo, foi pesquisada a presença de an ticorpos anti-reticulínicos em 40 soros de pacientes com esquistossomose crônica. Concomitantemente, foram utilizados 40 soros de pacientes com sorologia positiva para infecção chag ásica, e outros ...
Roberto A. Pinto Paes   +2 more
openaire   +1 more source

Updated insights into the molecular pathogenesis of canine atopic dermatitis

open access: yesVeterinary Dermatology, Volume 36, Issue 4, Page 375-384, August 2025.
Abstract Atopic dermatitis (AD) is a common and chronic inflammatory skin disease with frequent relapses. The genomics revolution has greatly contributed and revolutionised our knowledge of human AD; understanding the molecular skin fingerprint of AD and associated pathogenic immune pathways has led to preclinical assessments of several novel ...
Frane Banovic
wiley   +1 more source

Evaluation of the indirect fluorescent antibody test and modified agglutination test for detection of antibodies against Toxoplasma gondii in experimentally infected pigs Avaliação dos testes de imunofluorescência indireta e aglutinação modificada para a detecção de anticorpos anti-Toxoplasma gondii em suínos infectados experimentalmente

open access: yesPesquisa Veterinária Brasileira, 2004
The study determined the sensitivity and specificity of the indirect fluorescent antibody test (IFAT) and modified agglutination test (MAT) for anti-Toxoplasma gondii antibody detection by analyzing sera from 46 experimentally infected pigs.
Alessandro Pelegrine Minho   +6 more
doaj   +1 more source

Evaluation of filaggrin 2 expression in dogs with atopic dermatitis before and after oclacitinib maleate administration

open access: yesVeterinary Dermatology, Volume 36, Issue 4, Page 453-461, August 2025.
Background – Canine atopic dermatitis (cAD) is a chronic, inflammatory, multifactorial and pruritic disease. The presence of skin barrier impairment (e.g. filaggrin alterations), along with abnormal immune responses, can negatively impact cutaneous barrier function.
Wendie Roldan Villalobos   +5 more
wiley   +1 more source

Socioecology and Prevalence of SARS‐CoV‐2 Infection in Quilombolas Living in the Brazilian Amazon Socioecologia e Prevalência de Infecção pelo SARS‐CoV‐2 em Quilombolas Vivendo na Amazônia Brasileira Socioecología y prevalencia de la infección por SARS‐CoV‐2 en quilombolas que viven en la Amazonía brasileña

open access: yesAmerican Journal of Human Biology, Volume 37, Issue 5, May 2025.
ABSTRACT Objectives This cross‐sectional study presents socioecological, epidemiological aspects, and the seroprevalence of immunoglobulin G (IgG) against severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) in a group of quilombola (afro‐derived) communities in the states of Pará and Tocantins, in the Brazilian Amazon, to evaluate the impact ...
Keise Adrielle Santos Pereira   +19 more
wiley   +1 more source

Antibodies specific to infectious bronchitis in broilers in Ceará state, Brazil Anticorpos específicos para bronquite infecciosa em frangos de corte no Ceará

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006
The experiment was carried out to determine the antibody levels to infectious bronchitis virus (IBV) in 1120 broilers of two broiler flocks, both from the same parental flock and free from previous vaccination.
W.M. Cardoso   +7 more
doaj   +1 more source

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