Oxidative Stress and Proteinopathy in Alzheimer's Disease
A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Neurobiology and Clinical Neuroscience".
Deadline for manuscript submissions: 30 September 2024 | Viewed by 210
Special Issue Editor
Interests: glial mediated neuroinflammation in AD; oxidative stress as a AD contributing factor; gene therapy as a treatment for aging and neurodegenerative disordres
Special Issue Information
Dear Colleagues,
The multifactorial nature of Alzheimer’s disease (AD) has given rise to several research debates on the early events that led to AD. Of note, interrogation of post-mortem AD brain and several neuroimaging studies has revealed accumulation and misfolding of certain proteins (prominantely amyloid beta and tau) as the important primary event playing a significant role in the initiation and progression of the disease. This is of particular relevance since this results in synaptic dysfunction and loss, leading to cognitive decline and ultimately results in neuronal cell death. An intriguing and complex relationship has been shown between Aβ and mitochondrial dysfunction, redox metal imbalance, failure of protein clearance mechanism, advanced glycation end-products, and calcium excitotoxicity that may further contribute to the oxidative stress in the brains of AD patients. This results in the accumulation of free radicals and respiratory chain defects that consequently participate in the formation of excess free radicals, as well as extracellular Aβ deposits that induce local inflammatory processes and activate glial cell, another potential source of ROS, and reduction in antioxidant defense mechanism, thus creating a vicious cycle. Understanding these interactions may thus aid in the identification of potential neuroprotective therapies that could be clinically useful.
Dr. Chanchal Sharma
Guest Editor
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Keywords
- Alzheimer’s disease
- oxidative stress
- synaptic dysfunction
- abnormal protein accumulation
- gliosis
- neuroinflammation
- antioxidant therapies
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