2001
DOI: 10.1590/s0102-86502001000500010
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Swelling Mitocondrial Em Amostras Teciduais De Gatos Submetidos À Oclusão Da Artéria Cerebral Média

Abstract: A isquemia cerebral tem sido largamente estudada com intuito de se obter medidas terapêuticas eficazes que minimizem seus efeitos, visto que uma grande quantidade de pacientes, clínicos ou cirúrgicos, apresentam conseqüências freqüentemente irreversíveis da mesma. A escolha de um modelo experimental satisfatório a fim de nortear pesquisas com agentes neuroprotetores tem sido a base desses estudos. No presente trabalho foi escolhido o gato como modelo experimental de isquemia e a avaliação foi realizada através… Show more

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“…The effects of cerebral ischemia can be evaluated by various methods ranging from clinical observation to sophis-ticated biochemical methods that provide data about cell metabolism and permit the quantization of normal metabolic reactions in tissues, such as the activity of different enzymes [5][6][7] , the determination and the study of the kinetics of neurotransmitter release from tissue 8 , the determination of lipid peroxidation by the measurement of malondialdehyde (MDA), the dosage of intracellular ATP 9 , and endothelial and mitochondrial function 10 . our group has conducted several studies to evaluate the effects of cerebral ischemia using biochemical methods and the determination of mitochondrial function and of neurotransmitter release [11][12][13][14][15] . The objective of the present study was to determine the energy metabolism patterns in the early phase of ischemia, aiming to avoid possible influence of reperfusion using ATP dosage, the patterns of oxidative stress based on lipid peroxidation with MDA measurement, and the patterns of apoptosis by caspase-3 measurement.…”
mentioning
confidence: 99%
“…The effects of cerebral ischemia can be evaluated by various methods ranging from clinical observation to sophis-ticated biochemical methods that provide data about cell metabolism and permit the quantization of normal metabolic reactions in tissues, such as the activity of different enzymes [5][6][7] , the determination and the study of the kinetics of neurotransmitter release from tissue 8 , the determination of lipid peroxidation by the measurement of malondialdehyde (MDA), the dosage of intracellular ATP 9 , and endothelial and mitochondrial function 10 . our group has conducted several studies to evaluate the effects of cerebral ischemia using biochemical methods and the determination of mitochondrial function and of neurotransmitter release [11][12][13][14][15] . The objective of the present study was to determine the energy metabolism patterns in the early phase of ischemia, aiming to avoid possible influence of reperfusion using ATP dosage, the patterns of oxidative stress based on lipid peroxidation with MDA measurement, and the patterns of apoptosis by caspase-3 measurement.…”
mentioning
confidence: 99%