Research progress in the effect of SARS-CoV-2 infection on Alzheimer's disease
The global morbidity and mortality of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)infection are gradually decreasing,but the elderly people are still at higher risk of death than the general population,especially for those with Alzheimer's disease(AD).AD is a slowly progressing degenerative disease of the nervous system,and is the most common type of dementia.Its neuropathological features include overproduction and clea-rance imbalance of amyloid β-protein and overphosphorylated tau protein leading to neurofibrillary tangle.People with AD are more susceptible to be infected with SARS-CoV-2,likewise,the virus can also cause AD in those who are infected.After SARS-CoV-2 infection,it affects AD through immune response,inflammatory response,cell aging,DNA damage reaction,autophagy disorder,choroidal homeostasis disorder,over-activation of renin-angio-tensin system,and oxidative stress.This article mainly reviews the research progress in the effect of SARS-CoV-2 infection on AD.
severe acute respiratory syndrome coronavirus 2Alzheimer's diseaseimmune responseinflamma-tioncell agingautophagyoxidative stress
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