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[Biochemical and pharmacological mechanisms of different types of hypoxic preconditioning in cerebral ischemia in mice].

Different types of hypoxic preconditioning (hypoxic, circulatory, hemic and tissue hypoxia) increase the tolerance to complete global cerebral ischemia at early terms (hours). Biochemico-pharmacological analysis with the use of selective agonists and antagonists showed the importance of adenosine A1-receptors and K+(ATP)-channels in the mechanisms of the neuroprotective effect and natural tolerance. The general scheme of the investigated mechanisms of different types of hypoxic preconditioning has been proposed.