Radical AGEing in Alzheimer's disease

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Abstract

The pathological presentation of Alzheimer's disease, the leading cause of senile dementia, involves regionalized neuronal death and an accumulation of intracellular and extracellular filamentous proteins aggregates that form lesions termed neurofibrillary tangles and senile plaques, respectively. Several independent parameters have been suggested as the primary factor that is responsible for this pathogenesis, including apolipoprotein ϵ genotype, hyperphosphorylation of cytoskeletal proteins, or metabolism of amyloid β. However, at present, no one theory explains adequately the host of complex biochemical and pathological facets of the disease. Recent findings suggest that age-related increases in oxidative stress and protein glycation either individually, or more probably in a synergistic manner, could, exclusive of the other theories or in concert with them, account for all aspects of Alzheimer's disease.

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