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<p>The intricate relationship between oxidative stress and neurological disorders stems from multiple factors inherent to central nervous system function. Neural tissue’s high oxygen consumption, elevated iron content, and hydrogen peroxide generation create conditions favorable for oxidative imbalance. The susceptibility of neuronal membranes to oxidative damage is particularly noteworthy due to their high polyunsaturated fatty acid composition. This vulnerability, coupled with disrupted redox homeostasis marked by excessive reactive oxygen species (ROS) and compromised antioxidant mechanisms, contributes to the pathogenesis of major neurodegenerative conditions, including Parkinson’s, Alzheimer’s, and Huntington’s diseases. The interplay between mitochondrial dysfunction, protein aggregation, and neuroinflammation further exacerbates oxidative damage, creating a self-perpetuating cycle of cellular stress. These processes trigger various cell death pathways, including apoptosis and necrosis, ultimately leading to progressive neuronal loss. Understanding the complex network of cellular and molecular mechanisms affected by oxidative stress is crucial for developing targeted therapeutic strategies. Current research focuses on both endogenous antioxidant systems and novel neuroprotective compounds that could potentially modulate these pathways. Future investigations into these biochemical pathways are essential for elucidating disease mechanisms, identifying biomarkers for early detection, and developing more effective therapeutic interventions in the field of neurodegeneration.</p>

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Multifaceted role of oxidative stress in neurological disorders

  • 期刊论文

  • 发表日期：

    2025年6月26日

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  • Ayushi Singh,
  • Vatsalya Tiwari,
  • Supriya Roy

摘要

The intricate relationship between oxidative stress and neurological disorders stems from multiple factors inherent to central nervous system function. Neural tissue’s high oxygen consumption, elevated iron content, and hydrogen peroxide generation create conditions favorable for oxidative imbalance. The susceptibility of neuronal membranes to oxidative damage is particularly noteworthy due to their high polyunsaturated fatty acid composition. This vulnerability, coupled with disrupted redox homeostasis marked by excessive reactive oxygen species (ROS) and compromised antioxidant mechanisms, contributes to the pathogenesis of major neurodegenerative conditions, including Parkinson’s, Alzheimer’s, and Huntington’s diseases. The interplay between mitochondrial dysfunction, protein aggregation, and neuroinflammation further exacerbates oxidative damage, creating a self-perpetuating cycle of cellular stress. These processes trigger various cell death pathways, including apoptosis and necrosis, ultimately leading to progressive neuronal loss. Understanding the complex network of cellular and molecular mechanisms affected by oxidative stress is crucial for developing targeted therapeutic strategies. Current research focuses on both endogenous antioxidant systems and novel neuroprotective compounds that could potentially modulate these pathways. Future investigations into these biochemical pathways are essential for elucidating disease mechanisms, identifying biomarkers for early detection, and developing more effective therapeutic interventions in the field of neurodegeneration.