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Amyloid-beta (Abeta) peptide, a cleavage product of the amyloid-beta protein precursor (AbetaPP), has been reported to be detected in the intracellular compartment. Most studies reporting the presence of intracellular Abeta are based on the use of immunohistochemistry. In this study, the presence of AbetaPP and Abeta was assessed by applying(More)
BACKGROUND/AIMS Abnormal processing of hyperphosphorylated tau (HPtau), amyloid-beta (Abeta) and alpha-synuclein (alphaS) proteins is considered as causative with regard to the clinical symptoms in age-related neurodegenerative diseases. METHODS In this retrospective, postmortem study applying immunohistochemical methodology, we assessed(More)
BACKGROUND AND PURPOSE The present study assessed beta-amyloid (Abeta) protein aggregates in postmortem human brains in subjects who had experienced stroke to examine the proposed association between ischemic stress and the accumulation of Abeta reported in rodents. METHODS A sample of 484 postmortem brains from nondemented subjects, lacking isocortical(More)
AIM A causative association between diabetes mellitus (DM) and Alzheimer's disease (AD) has been suggested based on clinical and epidemiological studies. One hypothesis is that the link between DM and AD is related to the function of insulin-degrading enzyme (IDE), an enzyme that degrades not only insulin and pancreatic amylin but also beta-amyloid (Abeta).(More)
Epidemiological studies have indicated that excessive alcohol consumption leads to cognitive impairment, but the specific pathological mechanism involved remains unknown. The present study evaluated the association between heavy alcohol intake and the neuropathological hallmark lesions of the three most common neurodegenerative disorders, i.e., Alzheimer's(More)
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