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In healthy organisms the metabolism of the trace element zinc is well balanced. If this balance becomes destroyed the free zinc level might increase and cause toxic effects. The present study demonstrates that under definite conditions zinc ions are able to inhibit the ATPase activity of neuron-specific KIF5A (kinesin-1). Correspondingly, the motility activity of KIF5A also decreased. The inhibition...
The anterograde vesicle transport within neurons critically depends on microtubules and on the activity of kinesin. The present study demonstrates that cadmium ions inhibit the in vitro assembly of microtubules from tubulin, whereby at high cadmium levels (∼500μM) unstructured protein aggregates were formed. Cadmium ions also significantly lower both the ATPase and motility activity of neuron-specific...
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