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New Study Links Air Pollution to Alzheimer’s Disease -- Says Cure Alzheimer's Fund
Date:4/15/2013

Boston, Massachusetts (PRWEB) April 15, 2013

High levels of exposure to air pollution may increase the risk of Alzheimer’s disease, according to a new study completed with a grant from the Cure Alzheimer’s Fund.

The study, led by Cure Alzheimer’s Research Consortium member Sam Gandy, M.D., Ph.D., of the Icahn School of Medicine at Mount Sinai, examined how elements in air pollution such as nickel nanoparticles affect the levels of certain peptides in the brain that are found to be at heightened levels in patients suffering from Alzheimer’s Disease.

“We don’t yet completely understand why the peptides accumulate, but we do know the genes responding to the peptides play an important role in developing Alzheimer’s,” said Gandy.

To test the correlation, mice were examined 24 hours after being exposed to air pollution where they showed a 72-129 percent increase in levels of the peptides.

“We were startled when three hours of air pollution exposure for the mice showed such a rapid and dramatic elevation,” said Gandy.

While the study links air pollution to Alzheimer’s, Gandy emphasized that more research is needed to better understand the role of genetics saying, “There is probably some interaction between genetic susceptibility to air pollution that mitigates the response to the exposure.”

Additionally, the study emphasized the need to better understand air pollution’s effects on humans in a natural setting.

“We suspect that humans will have an even more dramatic reaction to air pollution than mice because the human molecule is far stickier, making it highly prone to clumping and accumulation,” said Gandy. This could mean an even stronger link between air pollution and Alzheimer’s than is reflected in the study’s findings.

Interest in linking air pollution exposure to Alzheimer’s disease s
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