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Two compounds that deplete glutathione (buthionine sulfoximine and diethyl maleate) with different mechanisms of action decrease body temperature and increase tolerance to complete global cerebral ischemia, both correlating closely with the glutathione concentration decrease. Glutathione apparently participates in the regulations of these functional(More)
This review considers biochemical aspects of inflammation. The international literature until December 2006 has been analyzed, with the principal attention paid to the most dynamic problems: enzymology of inflammation, its regulation by hormones and signal transducers, and negative feedbacks, which underlie intensive current studies on pathogenesis,(More)
The trigeminocardiac reflex (TCR) is a well-known brainstem reflex, first described in skull base and neurosurgery by the senior author in 1999, leading to reflex apnea, bradycardia, and changes of mean arterial pressure. There seem to be differences between peripheral and central stimulation of the TCR, and there is a lack of clear data about the cerebral(More)
Hormone receptors and other components, functional mechanisms, and biological role of analyzed signal transduction systems (STS) are described. The recently revealed module principle of the structure and STS transactivation providing diversity and plasticity of regulation are highlighted. STS activities are significantly changed in many diseases. Novel(More)
Selective A(1)adenosine receptor agonists produced a considerable neuroprotective effect during global cerebral ischemia. The neuroprotective effect decreased in the order: A(1)agonists-NECA-adenosine-A(2A)agonist CGS 21680, while selective A(3)adenosine receptor agonist was ineffective. Inhibitory analysis showed that A(1)adenosine receptors mediate the(More)
An increase in activity of disulphide reductase system (DRS) in supernatant of liver tissue was caused by 3',5'-AMP, ATP, GTP, UTP, Mg2+, Ca2+, EDTA, protamine, noradrenaline and F-. The effect was connected with arsenite resistant fraction of DRS. After rapid homogenization the effect of noradrenaline disappeared and the effects of ATP, GTP, UTP and Ca2+(More)
Treatment of rats or liver homogenates with catecholamines (isoproterenol or noradrenaline) increased activities of both NAD+ -dependent isocitrate dehydrogenase and NAD(P)+-transhydrogenase (in the direction of hydrogen transfer NADPH----NAD+) with no change in NADP+ -dependent isocitrate dehydrogenase. These effects were realized via beta-adrenoceptors.(More)