PKR kinase directly regulates tau expression and Alzheimer's disease‐related tau phosphorylation

L Reimer, C Betzer, RH Kofoed, C Volbracht… - Brain …, 2021 - Wiley Online Library
kinase activity within cells and acute brain tissue, we reveal that the inflammation associated
kinase, protein kinase R (PKR… -modifying residues within tau including Thr181, Ser199/202, …

Modulation of tau phosphorylation by the kinase PKR: implications in Alzheimer's disease

A Bose, F Mouton‐Liger, C Paquet, P Mazot… - Brain …, 2011 - Wiley Online Library
… Our morphological data showed that the phosphorylated form of PKR, GSK-3β or tau
protein can be co-expressed in the brains of AD patients, suggesting a possible molecular …

PKR involvement in Alzheimer's disease

J Hugon, F Mouton-Liger, J Dumurgier… - Alzheimer's research & …, 2017 - Springer
… reports implicating the kinase PKR in the pathogenesis of the … PKR and tau detected in AD
brains and could implicate PKR … the reasons why PKR gene expression is differently regulated …

The PKR/P38/RIPK1 signaling pathway as a therapeutic target in Alzheimer's disease

J Hugon, C Paquet - International Journal of Molecular Sciences, 2021 - mdpi.com
… initiation factor 2 α (eIF2α) kinase II (PKR) in brain cells and leading … PKR is a ubiquitously
expressed serine–threonine protein … PKR and p38 inhibitors could also reduce abnormal tau

The potential role of protein kinase R as a regulator of age-related neurodegeneration

NW Martinez, FE Gómez, S Matus - Frontiers in Aging Neuroscience, 2021 - frontiersin.org
… This review is focused on the kinase PKR and the … Furthermore, this PKR-mediated
phosphorylation induces tau … of PKR or the expression of a dominant-negative form of PKR inhibits …

PKR activation in neurodegenerative disease

AL Peel - Journal of Neuropathology & Experimental Neurology, 2004 - academic.oup.com
… RNA-dependent protein kinase PKR is well known as an … tau through activation of PKR and
downstream stress activated … changes in kinase expression and kinase activation (51). Active …

The PKR activator PACT is induced by Aβ: involvement in Alzheimer's disease

C Paquet, F Mouton‐Liger, EF Meurs, P Mazot… - Brain …, 2012 - Wiley Online Library
… can phosphorylate tau protein via GSK3β kinase activation. … able to trigger PACT protein
expression and PKR activation, we can … PACT accumulation and leading to tau phosphorylation. …

Activation of the cell stress kinase PKR in Alzheimer's disease and human amyloid precursor protein transgenic mice

AL Peel, DE Bredesen - Neurobiology of disease, 2003 - Elsevier
… In contrast to nondemented controls, AD cases showed prominent granular phospho-PKR
-PKR matched the distributions of abnormally phosphorylated tau and active p38 MAP kinase

Increased cerebrospinal fluid levels of double-stranded RNA-dependant protein kinase in Alzheimer's disease

F Mouton-Liger, C Paquet, J Dumurgier, P Lapalus… - Biological …, 2012 - Elsevier
… was co-expressed with phosphorylated tau in AD brains and … synthase kinase 3β activation
and tau phosphorylation (25). … kinase PKR can control indirectly the phosphorylation of tau

Activated mTOR and PKR kinases in lymphocytes correlate with memory and cognitive decline in Alzheimer's disease

M Paccalin, S Pain-Barc, C Pluchon, C Paul… - Dementia and geriatric …, 2006 - karger.com
… , PKR and eIF2 levels were adjusted to -actin expression. … positively correlated with total tau
and p-tau. This suggested … translation of tau mRNA, contributing to hyperphosphorylated tau