2008
DOI: 10.11606/issn.1678-4456.bjvras.2008.26720
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Efeito do tempo de conservação de polimorfonucleares do sangue de bezerros sobre o metabolismo oxidativo e a atividade de fagocitose de Escherichia coli

Abstract: ResumoForam avaliados os efeitos do tempo sobre o metabolismo oxidativo e a fagocitose de Escherichia coli, em amostras de polimorfonucleares (PMN) do sangue, de cinco bezerros hígidos, conservadas em banho de gelo por duas (t2), quatro (t4), seis (t6), 12 (t12) e 24 (t24) horas. O metabolismo oxidativo foi avaliado utilizando o Diacetato 2' 7' Diclorofluoresceína (DCFH-DA) e a E. coli, como estímulo. Para a fagocitose a mesma bactéria foi utilizada. As amostras foram analisadas por citometria de fluxo. O meta… Show more

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“…These differences were also found by BOHLAND et al (2008), who justified that in the stimulated oxidative metabolism, the use of bacteria simulated an in vitro infection, and that phagocytosis is required to trigger the oxidative metabolism, thus leading to a more reliable result for a natural infection. In the basal test, the oxidative metabolism is spontaneous and leads to more variability of results, as well as a higher average standard error, which culminated in the lack of statistical difference for this variable.…”
Section: Resultsmentioning
confidence: 80%
See 1 more Smart Citation
“…These differences were also found by BOHLAND et al (2008), who justified that in the stimulated oxidative metabolism, the use of bacteria simulated an in vitro infection, and that phagocytosis is required to trigger the oxidative metabolism, thus leading to a more reliable result for a natural infection. In the basal test, the oxidative metabolism is spontaneous and leads to more variability of results, as well as a higher average standard error, which culminated in the lack of statistical difference for this variable.…”
Section: Resultsmentioning
confidence: 80%
“…FI indicates the number of fluorescent particles within each cell (BOHLAND et al, 2008); therefore, it may be noted that in M2, the AM produced ROS under stimulation at higher amounts, as compared to M1. However, the reduction in the percentage of AM producing stimulated ROS in this same moment was confirmed.…”
Section: Resultsmentioning
confidence: 99%