Nanowerk looks at efforts in materials science to produce a better antioxidant and thereby increase longevity: "Can a major component of a catalytic converter or a fullerene derivative lead to an eventual treatment for Parkinson's disease or arthritis? ... Oxidative stress is believed to play a role in neurodegenerative diseases such as Alzheimer's and Parkinson's. Some of the symptoms of aging such as arteriosclerosis are also attributed to free-radical induced oxidation of many of the chemicals making up the body. Despite the broad role that oxidative stress plays in human disease, medicine has been limited in its development of treatments that counteract free radical damage and the ensuing burden of oxidative stress. In contrast, in the field of engineering, considerable effort has been developed to counter the effects of oxidative stress at the materials science level. ... Our initial results suggest that cerium oxide nanoparticles extend cell and organism longevity through their actions as regenerative free radical scavengers. Additional studies suggest that these nanoparticles are also potent anti-inflammatory agents. Although much work remains to be done in this realm, ceria nanoparticles hold high promise for future development of nanopharmacological agents to treat age related neurodegenerative disorders and inflammatory disorders."

View the Article Under Discussion: http://www.nanowerk.com/spotlight/spotid=1570.php
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