
Research Advances in the Association Between Alzheimer's Disease and Double-Stranded RNA-Dependent Protein Kinase
Yi GONG, Xingyang XIAO, Yousheng HU, Yiwei XIE, Zhihui WU
Acta Academiae Medicinae Sinicae ›› 2024, Vol. 46 ›› Issue (3) : 425-434.
Abbreviation (ISO4): Acta Academiae Medicinae Sinicae
Editor in chief: Xuetao CAO
Research Advances in the Association Between Alzheimer's Disease and Double-Stranded RNA-Dependent Protein Kinase
Alzheimer's disease(AD)is a severe threat to human health and one of the three major causes of human death.Double-stranded RNA-dependent protein kinase(PKR)is an interferon-induced protein kinase involved in innate immunity.in the occurrence and development of AD,PKR is upregulated and continuously activated.On the one hand,the activation of PKR triggers an integrated stress response in brain cells.On the other hand,it indirectly upregulates the expression ofβ-site amyloid precursor protein cleaving enzyme 1 and facilitates the accumulation of amyloid-βprotein(Aβ),which could activate PKR activator to further activate PKR,thus forming a sustained accumulation cycle of Aβ.in addition,PKR can promote Tau phosphorylation,thereby reducing microtubule stability in nerve cells.Inflammation in brain tissue,neurotoxicity resulted from Aβaccumulation,and disruption of microtubule stability led to the progression of AD and the declines of memory and cognitive function.Therefore,PKR is a key molecule in the development and progression of AD.Effective PKR detection can aid in the diagnosis and prediction of AD progression and provide opportunities for clinical treatment.the inhibitors targeting PKR are expected to control the activity of PKR,thereby controlling the progression of AD.Therefore,PKR could be a target for the development of therapeutic drugs for AD。
Alzheimer's disease / double-stranded RNA-dependent protein kinase / amyloid-beta / Tau
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