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[The role of neurotrophic factors in formation of vibration disease].

The authors studied serum levels of neurotrophic factors (brain-derived neurotrophic factor BDNF and ciliary neurotrophic factor CNTF) in workers exposed to vibration (workers with long length of service and without health disorders caused by vibration, patients with occupational limbs polyneuropathy, and vibration disease patients). Findings are that occupational vibration induces increased BDNF and CNTF serum levels in all groups examined. Increased levels of neurotrophic factors at early stages of pathologic process indicate their protective action, action of compensatory protective mechanisms. However, high levels of BDNF and CNTF in vibration disease may point to neurodestructive processes in nervous system.