GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy
Alzheimer’s disease (AD) is the most common form of dementia present in older adults; its etiology involves genetic and environmental factors. In recent years, epidemiological studies have shown a correlation between AD and chronic epilepsy since a considerable number of patients with AD may present...
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doaj-264b0aad8c1f437fa4b064470c3de6f62020-11-25T02:10:34ZengFrontiers Media S.A.Frontiers in Cellular Neuroscience1662-51022020-03-011410.3389/fncel.2020.00019485621GSK3β and Tau Protein in Alzheimer’s Disease and EpilepsyDanira Toral-Rios0Pavel S. Pichardo-Rojas1Mario Alonso-Vanegas2Victoria Campos-Peña3Departamento de Fisiología Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Mexico City, MexicoFacultad de Ciencias de la Salud, Universidad Autónoma de Baja California, Ensenada, MexicoCentro Internacional de Cirug#x000ED;a de Epilepsia, Instituto Nacional de Neurología y Neurocirugía, HMG, Hospital Coyoacán, Mexico City, MexicoLaboratorio Experimental de Enfermedades Neurodegenerativas, Instituto Nacional de Neurología y Neurocirugía, Mexico City, MexicoAlzheimer’s disease (AD) is the most common form of dementia present in older adults; its etiology involves genetic and environmental factors. In recent years, epidemiological studies have shown a correlation between AD and chronic epilepsy since a considerable number of patients with AD may present seizures later on. Although the pathophysiology of seizures in AD is not completely understood, it could represent the result of several molecular mechanisms linked to amyloid beta-peptide (Aβ) accumulation and the hyperphosphorylation of tau protein, which may induce an imbalance in the release and recapture of excitatory and inhibitory neurotransmitters, structural alterations of the neuronal cytoskeleton, synaptic loss, and neuroinflammation. These changes could favor the recurrent development of hypersynchronous discharges and epileptogenesis, which, in a chronic state, favor the neurodegenerative process and influence the cognitive decline observed in AD. Supporting this correlation, histopathological studies in the brain tissue of temporal lobe epilepsy (TLE) patients have revealed the presence of Aβ deposits and the accumulation of tau protein in the neurofibrillary tangles (NFTs), accompanied by an increase of glycogen synthase kinase-3 beta (GSK3β) activity that may lead to an imminent alteration in posttranslational modifications of some microtubule-associated proteins (MAPs), mainly tau. The present review is focused on understanding the pathological aspects of GSK3β and tau in the development of TLE and AD.https://www.frontiersin.org/article/10.3389/fncel.2020.00019/fulltau proteinGSK3βepilepsyneurodegenerationhippocampal sclerosis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Danira Toral-Rios Pavel S. Pichardo-Rojas Mario Alonso-Vanegas Victoria Campos-Peña |
spellingShingle |
Danira Toral-Rios Pavel S. Pichardo-Rojas Mario Alonso-Vanegas Victoria Campos-Peña GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy Frontiers in Cellular Neuroscience tau protein GSK3β epilepsy neurodegeneration hippocampal sclerosis |
author_facet |
Danira Toral-Rios Pavel S. Pichardo-Rojas Mario Alonso-Vanegas Victoria Campos-Peña |
author_sort |
Danira Toral-Rios |
title |
GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy |
title_short |
GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy |
title_full |
GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy |
title_fullStr |
GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy |
title_full_unstemmed |
GSK3β and Tau Protein in Alzheimer’s Disease and Epilepsy |
title_sort |
gsk3β and tau protein in alzheimer’s disease and epilepsy |
publisher |
Frontiers Media S.A. |
series |
Frontiers in Cellular Neuroscience |
issn |
1662-5102 |
publishDate |
2020-03-01 |
description |
Alzheimer’s disease (AD) is the most common form of dementia present in older adults; its etiology involves genetic and environmental factors. In recent years, epidemiological studies have shown a correlation between AD and chronic epilepsy since a considerable number of patients with AD may present seizures later on. Although the pathophysiology of seizures in AD is not completely understood, it could represent the result of several molecular mechanisms linked to amyloid beta-peptide (Aβ) accumulation and the hyperphosphorylation of tau protein, which may induce an imbalance in the release and recapture of excitatory and inhibitory neurotransmitters, structural alterations of the neuronal cytoskeleton, synaptic loss, and neuroinflammation. These changes could favor the recurrent development of hypersynchronous discharges and epileptogenesis, which, in a chronic state, favor the neurodegenerative process and influence the cognitive decline observed in AD. Supporting this correlation, histopathological studies in the brain tissue of temporal lobe epilepsy (TLE) patients have revealed the presence of Aβ deposits and the accumulation of tau protein in the neurofibrillary tangles (NFTs), accompanied by an increase of glycogen synthase kinase-3 beta (GSK3β) activity that may lead to an imminent alteration in posttranslational modifications of some microtubule-associated proteins (MAPs), mainly tau. The present review is focused on understanding the pathological aspects of GSK3β and tau in the development of TLE and AD. |
topic |
tau protein GSK3β epilepsy neurodegeneration hippocampal sclerosis |
url |
https://www.frontiersin.org/article/10.3389/fncel.2020.00019/full |
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