Abstract
A large body of evidences obtained in human and animal brain tissue suggest a role of oxidative stress (OxS) in the pathogenesis of late onset Alzheimer's disease (LOAD); on the contrary, data on peripheral markers of OxS in LOAD are still controversial. We evaluated the serum levels of products of lipid peroxidation, hydroperoxides, advanced oxidation protein products, total and residual antioxidant power, thiols, and uric acid in a sample of 334 older individuals: 101 LOAD patients, 134 patients with mild cognitive impairment (MCI), and 99 controls. At univariate analysis, serum hydroperoxides were higher while residual antioxidant power was lower in MCI and LOAD compared with in controls. By multivariate logistic regression analysis we found that, compared with controls, high levels (over median value) of serum hydroperoxides were independently associated with an increase in the likehood of having MCI (Odd Ratio: 2.59, 95% Confidence Interval: 1.08-6.21) or LOAD (OR: 4.09, 95%CI: 1.36-11.81). Furthermore, low levels of residual antioxidant power (below the median value) were associated with increased risk of having MCI (OR: 3.97, 95% CI: 1.62-9.72), but not dementia (OR: 2.31, 95%CI: 0.83-6.63). Our study suggests that a systemic redox-imbalance leading to OxS might be associated not only with LOAD but also with MCI.
Keywords: Cognitive impairment, late onset Alzheimer's disease, oxidative stress
Current Alzheimer Research
Title:Systemic Oxidative Stress in Older Patients with Mild Cognitive Impairment or Late Onset Alzheimer's Disease
Volume: 10 Issue: 4
Author(s): Carlo Cervellati, Eleonora Cremonini, Cristina Bosi, Stefania Magon, Amedeo Zurlo, Carlo M Bergamini and Giovanni Zuliani
Affiliation:
Keywords: Cognitive impairment, late onset Alzheimer's disease, oxidative stress
Abstract: A large body of evidences obtained in human and animal brain tissue suggest a role of oxidative stress (OxS) in the pathogenesis of late onset Alzheimer's disease (LOAD); on the contrary, data on peripheral markers of OxS in LOAD are still controversial. We evaluated the serum levels of products of lipid peroxidation, hydroperoxides, advanced oxidation protein products, total and residual antioxidant power, thiols, and uric acid in a sample of 334 older individuals: 101 LOAD patients, 134 patients with mild cognitive impairment (MCI), and 99 controls. At univariate analysis, serum hydroperoxides were higher while residual antioxidant power was lower in MCI and LOAD compared with in controls. By multivariate logistic regression analysis we found that, compared with controls, high levels (over median value) of serum hydroperoxides were independently associated with an increase in the likehood of having MCI (Odd Ratio: 2.59, 95% Confidence Interval: 1.08-6.21) or LOAD (OR: 4.09, 95%CI: 1.36-11.81). Furthermore, low levels of residual antioxidant power (below the median value) were associated with increased risk of having MCI (OR: 3.97, 95% CI: 1.62-9.72), but not dementia (OR: 2.31, 95%CI: 0.83-6.63). Our study suggests that a systemic redox-imbalance leading to OxS might be associated not only with LOAD but also with MCI.
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Cervellati Carlo, Cremonini Eleonora, Bosi Cristina, Magon Stefania, Zurlo Amedeo, M Bergamini Carlo and Zuliani Giovanni, Systemic Oxidative Stress in Older Patients with Mild Cognitive Impairment or Late Onset Alzheimer's Disease, Current Alzheimer Research 2013; 10 (4) . https://dx.doi.org/10.2174/1567205011310040003
DOI https://dx.doi.org/10.2174/1567205011310040003 |
Print ISSN 1567-2050 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5828 |
Call for Papers in Thematic Issues
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Aims and Scope: Introduction: Alzheimer's disease (AD) poses a significant global health challenge, with an increasing prevalence that demands concerted efforts to advance our understanding and strategies for prevention, diagnosis, treatment, and rehabilitation. This thematic issue aims to bring together cutting-edge research and innovative approaches from multidisciplinary perspectives to address ...read more
Current updates on the Role of Neuroinflammation in Neurodegenerative Disorders
Neuroinflammation is an invariable hallmark of chronic and acute neurodegenerative disorders and has long been considered a potential drug target for Alzheimer?s disease (AD) and dementia. Significant evidence of inflammatory processes as a feature of AD is provided by the presence of inflammatory markers in plasma, CSF and postmortem brain ...read more
Deep Learning for Advancing Alzheimer's Disease Research
Alzheimer's disease (AD) poses a significant global health challenge, with an increasing number of individuals affected yearly. Deep learning, a subfield of artificial intelligence, has shown immense potential in various domains, including healthcare. This thematic issue of Current Alzheimer Research explores the application of deep learning techniques in advancing our ...read more
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Dementia affects 18 million people worldwide. Dementia is a syndrome of symptoms caused by brain disease, usually chronic or progressive, clinically characterized by multiple impairments of higher cortical functions such as memory, thinking, orientation, and learning. In addition, in the course of dementia, cognitive deficits are observed, which often hinder ...read more
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