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• W2091293475 endingPage "1031" @default.
• W2091293475 startingPage "974" @default.
• W2091293475 abstract "Alzheimer's disease (AD) is the most common cause of dementia and a progressive neurodegeneration that appears to result from multiple pathogenic mechanisms (including protein misfolding/aggregation, involved in both amyloid β-dependent senile plaques and tau-dependent neurofibrillary tangles), metabolic and mitochondrial dysfunction, excitoxicity, calcium handling impairment, glial cell dysfunction, neuroinflammation, and oxidative stress. Oxidative stress, which could be secondary to several of the other pathophysiological mechanisms, appears to be a major determinant of the pathogenesis and progression of AD. The identification of oxidized proteins common for mild cognitive impairment and AD suggests that key oxidation pathways are triggered early and are involved in the initial progression of the neurodegenerative process. Abundant data support that oxidative stress, also considered as a main factor for aging, the major risk factor for AD, can be a common key element capable of articulating the divergent nature of the proposed pathogenic factors. Pathogenic mechanisms influence each other at different levels. Evidence suggests that it will be difficult to define a single-target therapy resulting in the arrest of progression or the improvement of AD deterioration. Since oxidative stress is present from early stages of disease, it appears as one of the main targets to be included in a clinical trial. Exploring the articulation of AD pathogenic mechanisms by oxidative stress will provide clues for better understanding the pathogenesis and progression of this dementing disorder and for the development of effective therapies to treat this disease. Antioxid. Redox Signal. 16, 974–1031. I. Introduction A. Overview of Alzheimer's disease and scope of the review B. Oxidative stress: General concepts 1. Sources of oxidative stress 2. ROS in physiology and pathology 3. Metal ions and oxidative stress 4. Redox state and redox buffering C. Microglia, astrocytes, and oxidative stress D. Aging and oxidative stress II. Oxidative Stress in AD A. Oxidative stress and progression of AD B. Aβ, Tau, ApoE4, and oxidative stress 1. Amyloid β 2. Tau 3. Apolipoprotein E4 C. Mitochondrial impairment, mitophagy, and oxidative stress 1. Mitophagy D. Neuroinflammation and oxidative stress 1. Interleukin 1 2. Tumor necrosis factor 3. Transforming growth factor β 4. Prostaglandins 5. Oxidative stress mediators 6. Oxidative stress signal transduction pathways E. Neurotoxicity, excitotoxicity, and oxidative stress 1. Neurotoxicity 2. Excitotoxicity F. Ubiquitin proteasome system, unfolded protein response, and autophagy in oxidative stress 1. Ubiquitin proteasome system 2. Unfolded protein response 3. Autophagy III. Therapeutic Approaches for AD Aimed to Oxidative Stress A. Nonsteroidal anti-inflammatory drugs B. Modulation of microglial cell activation C. Activation of antioxidant pathways D. Mitochondrial antioxidants E. Free radical scavengers F. Cyto- and neuroprotective therapies IV. Concluding Remarks A. Future directions of research in this field" @default.
• W2091293475 created "2016-06-24" @default.
• W2091293475 creator A5044094653 @default.
• W2091293475 creator A5069439442 @default.
• W2091293475 date "2012-05-01" @default.
• W2091293475 modified "2023-10-05" @default.
• W2091293475 title "Alzheimer's Disease: Redox Dysregulation As a Common Denominator for Diverse Pathogenic Mechanisms" @default.
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