cyclic amp/hemorrhage

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Plasma catecholamines, cyclic AMP and metabolic substrates in hemorrhagic shock of the rat. The effect of adrenal demedullation and 6-OH-dopamine treatment.

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Plasma catecholamines, cyclic AMP and metabolic substrates in hemorrhagic shock of rats was studied in 4 groups of animals: 1) Control rats, 2) rats with adrenal demedullation, 3) rats with 6-OH-dopamine induced chemical sympathectomy, and 4) rats with combined demedullation and sympathectomy. The

Cyclic AMP and metabolic substrates in hemorrhagic shock of the rat.

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Hemorrhagic shock was induced in rats by bleeding to 35 mmHg for a period of 4 h. Plasma glucose increased rapidly following the onset of bleeding and reached twice the control value after 30 min. After 2 h hypotension the liver content of glycogen was depleted and subsequently the rats became

Cyclic AMP and metabolic substrates following hemorrhage in awake and anesthetized rats.

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The levels of several metabolites in plasma were studied during a period of 4 h in awake and barbiturate anesthetized rats after a blood volume loss of approximately 3% of b.w. Blood pressure was 70 mmHg (9.3 kPa) in the awake and 35 mmHg (4.7 kPa) in the anesthetized rats. Resting levels of plasma

Primate kidney function in hemorrhagic shock as influenced by dibutyryl cyclic AMP.

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Standardized hemorrhagic shock was employed to study alterations in electrolyte and water handling in the owl monkey, either normally hydrated or moderately dehydrated. Increase in fractional clearance of osmolarity,sodium, and calcium occurred with retransfusion after the hypotensive phase. In the

Mechanisms of lung neutrophil activation after hemorrhage or endotoxemia: roles of reactive oxygen intermediates, NF-kappa B, and cyclic AMP response element binding protein.

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Acute inflammatory lung injury occurs frequently in the setting of severe infection or blood loss. Accumulation of activated neutrophils in the lungs and increased pulmonary proinflammatory cytokine levels are major characteristics of acute lung injury. In the present experiments, we examined

Cyclic AMP excretion in urines of patients with subarachnoid hemorrhages.

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Urinary excretion of cAMP was closely monitored for several days in 74 patients with subarachnoid hemorrhages. A rise in urinary cAMP up to 45 microM/24h was observed (normal values being 1 to 5 microM/24h). Patients with associated metabolic disorders were excluded from this study. We have found a

Impaired intracellular signal transduction via cyclic AMP contributes to cerebral vasospasm in rats with subarachnoid hemorrhage.

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No drug can completely prevent vasospasm after subarachnoid hemorrhage. Impaired intracellular signal transduction by cyclic nucleotides might be involved. We investigated effects of intravenous isoproterenol and NKH477 on cerebral blood flow in rats with or without intracisternal injection of

[Effects of dibutyryl cyclic AMP on hepatic energy metabolism during hemorrhagic hypotension (author's transl)].

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[Level of cyclic AMP in cerebrospinal fluid during a meningeal hemorrhage].

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Proceedings: The effect of haemorrhagic shock upon plasma glucose, insulin and cyclic AMP levels in the pig.

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Evidence for glomerular actions of ADH and dibutyryl cyclic AMP in the rat.

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Experiments were performed on 54 chronically water diuretic Munich-Wistar rats to investigate the effects of various antidiuretic peptides on the determinants of glomerular ultrafiltration. Transition from water diuresis to antidiuresis, induced either by intravenous infusion of 1) exogenous

The novel compound MP407 inhibits platelet aggregation through cyclic AMP-dependent processes.

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Platelet hyperactivity plays a critical role for initiating several vascular diseases such as atherothrombosis. Therefore, development of effective antiplatelet agents is necessary for ameliorating platelet-related diseases. In this study, we investigated the effects of the new synthesized compound,

Antiplatelet activity of Staphylococcus aureus lipoteichoic acid is mediated through a cyclic AMP pathway.

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In this study, Gram-positive Staphylococcus aureus lipoteichoic acid (LTA) dose dependently (0.1-1.0 microg/mL) and time dependently (10-60 min) inhibited platelet aggregation in human platelets stimulated by agonists (i.e., thrombin and collagen). LTA also dose dependently inhibited intracellular

Concentration of 3', 5' cyclic adenosine monophosphate in ventricular cerebrospinal fluid of patients with prolonged coma after head trauma or intracranial hemorrhage.

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A previous study showed that cerebrospinal fluid from the lateral ventricle of patients without disturbance of sensorium or intracranial pressure contains 15 to 30 nm 3', 5' cyclic adenosine monophosphate. We measured the concentration of this cyclic nucleotide by radioimmunoassay in cerebrospinal

Acquired platelet dysfunction and overproduction of platelet cyclic AMP in two patients with myeloid malignancies.

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The pathophysiology of impaired platelet function in acquired disorders is often poorly understood. We report two unrelated patients with hematologic malignancies associated with acquired severe bleeding diathesis, and complex platelet function abnormalities, including overproduction of the

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