Particulate Matter, Oxidative Stress and Neurotoxicity

Neurotoxicology. 2008 May;29(3):479-88. doi: 10.1016/j.neuro.2007.12.004. Epub 2008 Jan 4.

Abstract

Particulate matter (PM), a component of air pollution has been epidemiologically associated with sudden deaths, cardiovascular and respiratory illnesses. The effects are more pronounced in patients with pre-existing conditions such as asthma, diabetes or obstructive pulmonary disorders. Clinical and experimental studies have historically focused on the cardiopulmonary effects of PM. However, since PM particles carry numerous biocontaminants that are capable of triggering free radical production and cytokine release, the possibility that PM may affect organs systems sensitive to oxidative stress must be considered. Four independent studies that summarize the neurochemical and neuropathological changes found in the brains of PM exposed animals are described here. These were recently presented at two 2007 symposia sponsored by the Society of Toxicology (Charlotte, NC) and the International Neurotoxicology Association (Monterey, CA).

Publication types

  • Review

MeSH terms

  • Animals
  • Humans
  • Hypothalamo-Hypophyseal System / drug effects
  • Neurotoxicity Syndromes / physiopathology*
  • Oxidative Stress / drug effects
  • Oxidative Stress / physiology*
  • Particulate Matter / toxicity*

Substances

  • Particulate Matter