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  • Title: Neurofibrillary Tangles of Aβx-40 in Alzheimer's Disease Brains.
    Author: Lacosta AM, Insua D, Badi H, Pesini P, Sarasa M.
    Journal: J Alzheimers Dis; 2017; 58(3):661-667. PubMed ID: 28453491.
    Abstract:
    The two pathognomonic lesions in the brain of AD patients are senile plaques and intraneuronal neurofibrillary tangles (NFT). Previous studies have demonstrated that amyloid-β (Aβ) is a component of both senile plaques and NFTs, and have showed that intracellular accumulation of Aβ is toxic for cells and precedes the appearance of extracellular amyloid deposits. Here we report that there are numerous intraneuronal NFT and extraneuronal NFT immunoreactive for Aβx-40 in which there is no co-localization with tau staining suggesting the existence of two different neurodegenerating populations associated with the intracellular accumulation of either tau protein or Aβx-40 in AD.
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