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This study aims to compare and analyze lactate dehydrogenase (LDH), succinic dehydrogenase (SDH) and differences in capillary density level in the model of myocardial damage which caused by rats diabetes. The Wistar rats were divided into 4 groups, including control, diabetic, myocardial infarction
The effect of 3-nitropropionic acid (3-NP), a selective inhibitor of succinic dehydrogenase, preconditioning on postischemic neurological deterioration and infarction was examined in gerbils after transient ischemia. The animals were pretreated with 1-80mg/kg of 3-NP 1 day before ischemia induced by
Contents and activity of lactate dehydrogenase and succinic dehydrogenase of cardiomyocytes have been studied histochemically and cytophotometrically in the left ventricle of the rabbit heart under conditions of myocardial infarction experimentally induced by alpha-tocoferol and sodium nucleinate.
A study was made of effects of transcardiac galvanization (TCG) on activities of a panel of oxidation-reduction enzymes as well as on the cardiac muscle content of high energy substrates, and size of the lesion area, in experimental myocardial infarction (EMI) in 50 albino male rats. After two TCG
The development of infarction and/or selective neuronal death in the brain after transient cerebral ischemia depends on the severity of the ischemic episode. After transient cerebral ischemia of the threshold level for the induction of infarction, both changes evolve slowly in various postischemic
We have previously shown that acute coronary occlusion in the dog is often accompanied by increased adrenaline release into the blood. In the present study the consequences of this humoral reaction were studied in anaesthetised healthy mongrel dogs subjected to adrenaline infusion administered at a
Ultrasound-guided ethanol injection (PEI) is an effective treatment of autonomously functioning thyroid nodules (AFTN) but little is known about the tissue lesions induced by alcohol. We report morphological changes of an AFTN which was removed after successful PEI treatment. At histological
Acute cerebral infarction in gerbils, produced by unilateral carotid ligation, was used as a model to investigate secondary myocardial changes. The extent of the myocardial damage revealed by succinic dehydrogenase (SDH) histochemistry and by release of myocardial creatine phosphokinase (MB-CK) was
We have examined the regional differences in the evolution of energy failure in experimental focal cerebral ischemia. In gerbil brain subjected to repeated unilateral common carotid artery occlusion, the tissue ATP content, pH and succinic dehydrogenase activity decreased at different rates after
Short ischemic episodes increase tolerance against subsequent severe ischemia in the heart. Nitropropionate (3-NP), an irreversible inhibitor of succinic dehydrogenase of the mitochondrial complex II, was shown to induce protective effect against ischemic brain injury. The aim of this study was to
A 40-year-old woman who developed intestinal dysmobility was found, at rectal biopsy, to have marked microvacuolation of mucosal muscle layer cells, which corresponded to increased accumulation of abnormal mitochondria. Skeletal muscle biopsy specimens showed ragged-red fibers, vessels strongly
We investigated the effectiveness of the beta-blocking agent metipranolol in preventing detrimental systemic and myocardial alterations induced in healthy dogs by adrenaline (AD) infused at a rate which mimics spontaneous secretion after coronary occlusion. Metipranolol (0.3 mg/kg) was infused
Imbalances between cellular K+ efflux and influx are considered to be involved in cerebral ischemia-reperfusion (I/R) injury. High-potassium pretreatment alleviates this injury, but the underlying molecular mechanism is unclear. In this study, we sought to investigate whether