Alzheimer’s disease(AD)is a neurodegenerative disease that is characterized by an age-dependent progressive decline of memory,impairment of cognitive functions and changes in personality and behavior.Despite the improvement in understanding of the mechanisms underlying the disease,AD remains an incurable complex disorder with multifaceted pathophysiology to date.Apolipoprotein E(ApoE)is the main cholesterol carrier in the brain that supports lipid transport between brain cells.The individuals carrying the APOE4 allele are known to be at increased risk of developing AD compared with those carrying the more common APOE3 allele.
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