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  2. Biochemistry of Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Biochemistry_of_Alzheimer's...

    The biochemistry of Alzheimer's disease, the most common cause of dementia, is not yet very well understood. Alzheimer's disease (AD) has been identified as a proteopathy : a protein misfolding disease due to the accumulation of abnormally folded amyloid beta (Aβ) protein in the brain . [ 1 ]

  3. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    The causes of Alzheimer's disease remain poorly understood. [16] There are many environmental and genetic risk factors associated with its development. The strongest genetic risk factor is from an allele of apolipoprotein E. [17] [18] Other risk factors include a history of head injury, clinical depression, and high blood pressure. [1]

  4. Biomarkers of Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Biomarkers_of_Alzheimer's...

    The biomarkers can be used to diagnose Alzheimer's disease (AD) in a very early stage, but they also provide objective and reliable measures of disease progress. It is imperative to diagnose AD disease as soon as possible, because neuropathologic changes of AD precede the symptoms by years. [ 1 ]

  5. Shifts in brain activity may signal Alzheimer's long before ...

    www.aol.com/shifts-brain-activity-may-signal...

    The study found that increased levels of both amyloid-beta and tau proteins in the brain may lead to changed brain activity before the cognitive symptoms of Alzheimer’s disease appear. Focusing ...

  6. Some people have Alzheimer’s without symptoms: What ... - AOL

    www.aol.com/lifestyle/people-alzheimer-without...

    “A study from 2019 reported that a woman carrying the presenilin 1 (PSEN1) mutation, a genetic cause of early-onset Alzheimer’s disease, did not develop dementia in her 40s as others with the ...

  7. Neurofibrillary tangle - Wikipedia

    en.wikipedia.org/wiki/Neurofibrillary_tangle

    Neurofibrillary tangles (NFTs) are intracellular aggregates of hyperphosphorylated tau protein that are most commonly known as a primary biomarker of Alzheimer's disease. Their presence is also found in numerous other diseases known as tauopathies. Little is known about their exact relationship to the different pathologies.

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