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Autoantibodies to cardiac beta1-adrenoceptors and M2-muscarinic receptors have mainly been found in the sera of patients with idiopathic dilated cardiomyopathy (DCM). In order to elucidate the pathological significance of these autoantibodies in DCM, it is necessary to understand their characteristic distribution in a healthy population of different genders(More)
The effects of anti-peptide antibodies (Ab) against the second extracellular loop of human muscarinic receptor-2 on cardiac function in rats in vivo were studied. These effects were compared with those of the muscarinic receptor agonist, carbachol (Carb). It was shown that: (1) both Carb and Ab administered intravenously in the same doses of 0.4 nmol, 1.0(More)
Microstructural and mechanical properties of organic surfactant templated nanoporous thin silica films have been studied by X-ray diffraction, Fourier transform infrared spectroscopy, and nanoindentation. Compared with many other porous low-k dielectrics, the self-assembled molecularly templated nanoporous silica films demonstrate better mechanical(More)
The effects of arginine aspirin (AAs) on the effective refractory period (ERP) and ventricular fibrillation threshold (VFT) of ischemic ventricular muscle were observed in 24 anesthetized open-chest rabbits. that the platelet aggregation rate was shown to be increased by 11 +/- 5%, and VFT decreased by 24 +/- 3 mA at 50 min after coronary occlusion.(More)
Anomalies in the vascular structures of the neck, cranial base, temporal bone, and intracranial circulation may give rise to pulsatile tinnitus. If the anomalous sound is perceived also by others, then it is defined as objective tinnitus. Herein, the case is reported of right pulsatile tinnitus of one year's duration, which appeared after cranial trauma.(More)
Electron paramagnetic resonance (EPR) measurements were performed on photosystem II (PSII) membranes that were treated with 2 M NaCl to release the 17- and 23-kilodalton (kDa) polypeptides. By using 75 microM 3-(3,4-dichlorophenyl)-1,1-dimethylurea to limit the photosystem II samples to one stable charge separation in the temperature range of 77-273 K, we(More)
AIM To study the effects of propylbutyldopamine (PBDA) on the inward rectifier potassium current (Ik1). METHODS The quasi-steady state current-voltage relationship from the isolated guinea pig ventricular cells were measured using whole-cell patch-clamp techniques with a slow ramp depolarization (8 mV.s-1). RESULTS PBDA 5, 50, and 100 mumol.L-1(More)