Free Radical Biology of Endocrine, Metabolic & Immune Disorders

Author(s): Samrat Singh Bhandari*, Nileswar Das and Vatsala Sharma

DOI: 10.2174/9789815049220122010008

Free Radical Biology in Alzheimer's Disease

Pp: 95-112 (18)

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Free Radical Biology of Endocrine, Metabolic & Immune Disorders

Free Radical Biology in Alzheimer's Disease

Author(s): Samrat Singh Bhandari*, Nileswar Das and Vatsala Sharma

Pp: 95-112 (18)

DOI: 10.2174/9789815049220122010008

* (Excluding Mailing and Handling)

Abstract

Understanding the pathological findings and pathogenesis of Alzheimer's
disease has been ever-expanding and challenging. Oxidative stress resulting from
excessive free radicals that can be scavenged by the antioxidant system of our body has
been implicated in the initiation and progression of the illness. Neuronal oxidative
stress can induce the formation of amyloid-beta (Aβ) protein, and it has been found that
Aβ is involved in several intracellular pathways that orchestrate the cellular oxidative
stress, resulting in a vicious cycle. Several risk factors can lead to AD by increasing
neuronal oxidative stress. Therapy based on increasing and reinforcing the antioxidant
defense against free radicals has shown promising results. New approaches are being
developed, such as interventions targeting mitochondria and drugs that act through
numerous mechanisms to address the various ways through which oxidative stress
causes AD.


Keywords: Amyloid-beta protein, Antioxidants, Oxidative stress, Risk factors.

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