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The binding of PET radiotracer [(11)C]flumazenil to the GABA(A) receptors is described by the receptor density (B(max)) and binding affinity (K(D)). The estimation of B(max) and K(D) is usually based on Scatchard analysis including at least two PET scans at steady state of various specific activities. Recently, a novel full saturation method to estimate(More)
This study aimed to investigate the use of quinidine microdialysis to study potential changes in brain P-glycoprotein functionality after induction of status epilepticus (SE) by kainate. Rats were infused with 10 or 20 mg/kg quinidine over 30 min or 4 h. Plasma, brain extracellular fluid (brain ECF), and end-of-experiment total brain concentrations of(More)
Sublethal doses of CdCl2 (3 mg/kg iv), HgCl2 (2 mg/kg iv), or NaVO3 (6 mg/kg iv) did not alter the content of reduced glutathione (GSH) in the livers of mice during the 24-h observation period. In the kidneys, a tendency to increased GSH content was seen, especially after HgCl2 treatment; in lung and brain the GSH levels were significantly lowered upon the(More)
Cortical spreading depression, which plays an important role in multiple neurological disorders, has been studied primarily with experimental models that use highly invasive methods. We developed a relatively non-invasive optogenetic model to induce cortical spreading depression by transcranial stimulation of channelrhodopsin-2 ion channels expressed in(More)
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