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Misfolded, N- and C-terminally truncated tau protein is the primary constituent of neurofibrillary tangles in brains of patients afflicted with Alzheimer's disease (AD). Intracellular accumulation of misfolded and truncated tau leads to generation of cytotoxic intermediates; transgenic expression of truncated tau leads to neurological deficits,(More)
Tau protein is a member of microtubule-associated protein family. Under pathological conditions, tau undergoes multiple modifications that lead to the formation of insoluble deposits in neurons, resulting in neuronal dysfunction in several neurodegenerative disorders collectively called tauopathies, with Alzheimer's disease being the most frequent example.(More)
Impairment of "protein quality control" in neurons is associated with etiopathogenesis of neurodegenerative diseases. The worn-out products of cell metabolism should be safely eliminated via the proteasome, autophago-lysosome and exocytosis. Insufficient activity of these degradation mechanisms within neurons leads to the accumulation of toxic protein(More)
Accumulation of misfolded forms of microtubule associated, neuronal protein tau causes neurofibrillary degeneration typical of Alzheimer's disease and other tauopathies. This process is accompanied by elevated cellular stress and concomitant deregulation of heat-shock proteins. We used a transgenic rat model of tauopathy to study involvement of heat shock(More)
Neuroinvasive microorganisms are suspected to play an important role in the etiopathogenesis of neurological diseases. However, direct evidence for the pathogenic function is still missing. The main aim of this study was to investigate biochemical and morphological changes that may occur as a result of an in vitro infection of rat cerebrocortical neurons by(More)
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