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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] Amyloid beta is a short peptide that is an abnormal proteolytic byproduct of the transmembrane protein amyloid-beta precursor protein (APP), whose function is ...
Currently, there are many biomarkers for diagnosis of Alzheimer's disease. However, most of them do not provide consistent data results. The novel approach (autoantibody) not only explained the discrepancy of results in previous studies of autoantibody, but provided a new standard as a biomarker of Alzheimer's disease. Compared to other ...
In Alzheimer’s disease, the most common form of dementia, the blood-brain barrier is disrupted. A new study has uncovered unique molecular signatures linked to the disruption of this blood-brain ...
In the new study, the p-tau217 test was combined with another blood biomarker for Alzheimer’s called the amyloid 42/40 ratio, which measures two types of amyloid proteins, another biomarker of ...
A protein called tau stabilises the microtubules when phosphorylated, and is therefore called a microtubule-associated protein. In Alzheimer's disease, tau undergoes chemical changes, becoming hyperphosphorylated; it then begins to pair with other threads, creating neurofibrillary tangles and disintegrating the neuron's transport system. [105]
Although glial fibrillary acidic protein levels are elevated in other types of dementia, the increase in glial fibrillary acidic protein levels is more profound in Alzheimer’s. Thus, glial ...
The researchers first used machine learning to quantify the progression of Alzheimer’s disease, including pTau — referring to levels of phosphorylated tau protein in plasma, a blood component ...
Apolipoprotein F (apoF) is one of the minor apolipoprotein in blood plasma and it is a lipid transfer inhibit protein to inhibit cholesteryl ester transfer protein-mediated transfers of cholesteryl esters and triglycerides. [10] [11]
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