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In an experimental model of in vivo hyperthermia, we investigated the involvement of a number of signalling events in rat liver. We report that in vivo heat shock causes a powerful activation of c-Jun N-terminal kinase and p38 kinase but does not trigger poly(ADP-ribose) polymerase cleavage, a signature event of apoptosis. Among the upstream regulators of the kinases, we show that stress-activated...
In this work we attempt to analyze the coupling between the dynamics of biochemical reactions (especially chaotic dynamics), and the geometry of cytoarchitecture (especially fractal ultrastructure), because of its importance and consequences for the ultradian dynamic behaviour of cells. Fractal geometry in intracellular macromolecular assemblies suggests that chaotic dynamics occur during their organization...
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