Date: 3.8.2011
If you've ever wondered if nicotine offered society any benefit, a new study published in The FASEB Journal offers a surprising answer. Nicotine can protect the brain against Parkinson's disease, the research suggests, and the discovery of how nicotine does this may lead to entirely new types of treatments for the disease.
To make this discovery, scientists used mice genetically engineered without a specific nicotine receptor (the alpha-7 subtype) and mice with a functional receptor. Using tissue from mouse embryos, researchers prepared brain cultures using conditions that favor the slowly progressing loss of dopamine neurons, a hallmark of the disease. The scientists found that nicotine had the potential to rescue dopamine neurons in cultures from normal mice, but not in cultures from mice without the nicotine receptor.
Source:
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