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Nanoparticles and Colloids as Contributing Factors in Neurodegenerative Disease

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  • Stephen C. Bondy

    (Division of Occupational & Environmental Health, Department of Medicine, University of California, Irvine, Irvine, CA 92697, USA)

Abstract

This review explores the processes underlying the deleterious effects of the presence of insoluble or colloidal depositions within the central nervous system. These materials are chemically unreactive and can have a prolonged residence in the brain. They can be composed of mineral or proteinaceous materials of intrinsic or exogenous origin. Such nanoparticulates and colloids are associated with a range of slow-progressing neurodegenerative states. The potential common basis of toxicity of these materials is discussed. A shared feature of these disorders involves the appearance of deleterious inflammatory changes in the CNS. This may be due to extended and ineffective immune responses. Another aspect is the presence of excess levels of reactive oxygen species within the brain. In addition with their induction by inflammatory events, these may be further heightened by the presence of redox active transition metals to the large surface area afforded by nanoparticles and amphipathic micelles.

Suggested Citation

  • Stephen C. Bondy, 2011. "Nanoparticles and Colloids as Contributing Factors in Neurodegenerative Disease," IJERPH, MDPI, vol. 8(6), pages 1-12, June.
    • Handle: RePEc:gam:jijerp:v:8:y:2011:i:6:p:2200-2211:d:12758
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    Cited by:

    1. Susan Mirlohi, 2020. "In Vitro Evaluation of Iron-Induced Salivary Lipid Oxidation Associated with Exposure to Iron Nanoparticles: Application Possibilities and Limitations for Food and Exposure Sciences," IJERPH, MDPI, vol. 17(10), pages 1-13, May.

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