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Pituitary adenylate cyclase activating polypeptide (PACAP) exerts neuroprotective effects in various in vitro and in vivo models of cerebral pathologies. It has been shown that PACAP protects neurons in rat models of both global and focal ischemia. In the present study, we investigated factors that may play a role in the neuroprotective effects of PACAP.(More)
INTRODUCTION Hemorheological factors are of significance in the determination of flow characteristics of blood and play an important role in the pathogenesis of cerebrovascular diseases. AIMS AND METHODS In this study the changes of rheological factors--hematocrit (Hct), plasma fibrinogen concentration (PFC), whole blood (WBV) and plasma viscosity (PV),(More)
INTRODUCTION AND OBJECTIVE Haemorrheological parameters and endothelial function are known to be altered in vascular diseases, including stroke. Treatment with HMG-CoA reductase inhibitors ('statins') improves cerebrovascular (and cardiovascular) morbidity and mortality in patients with atherosclerosis; the beneficial effects may involve lipid-independent(More)
Oxygen-free radicals play an important role in several physiologic and pathophysiologic processes. In pathologic circumstances, they can modify and damage biologic systems. Because oxygen-free radicals are involved in a wide range of diseases (cerebrovascular, cardiovascular, etc.), scavenging these radicals should be considered as an important therapeutic(More)
BACKGROUND Sex-specific response to antiplatelet medications have been reported in several previous studies. OBJECTIVE We investigated a possible connection between gender differences in hemorheological parameters and in vitro platelet aggregation in vascular patients treated with widely used antiplatelet agents. METHODS In vitro platelet aggregation(More)
BACKGROUND Platelet glycoprotein (GP) IIb/IIIa receptors play an inevitable role in platelet aggregation. The GP IIIa gene is polymorphic (PlA1/PlA2) and the presence of a PlA2 allele might be associated with an increased risk for acute coronary syndrome (ACS). OBJECTIVE To examine the prevalence of the PlA2 allele in patients with ACS and in subjects(More)
Pathologic platelet activation has been implicated in the pathogenesis of ischemic heart disease. Since cardiomyocytes can be protected from ischemia-reoxygenation injury by poly(ADP-ribose) polymerase (PARP) inhibitors mimicking the adenine/ADP part of NAD, their structural resemblance to ADP may also enable the blockade of platelet aggregation via binding(More)
The performance of a new thin-film Lu2 O3 :Eu scintillator for single-cell radionuclide imaging is investigated. Imaging the metabolic properties of heterogeneous cell populations in real time is an important challenge with clinical implications. An innovative technique called radioluminescence microscopy has been developed to quantitatively and sensitively(More)