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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Muriach, Maria Romero, Francisco J. Yague, Almudena G. Collado-morente, Lucia Herrera, Daniel G. Bosch-morell, Francisco Johnsen-soriano, Siv Garcia-verdugo, J. Manuel |
| Description | Author Affiliation: Herrera DG ( Department of Psychiatry, Weill Medical College of Cornell University, New York, NY 10021, USA. dah2007@med.cornell.edu); |
| Abstract | A major pathogenic mechanism of chronic alcoholism involves oxidative burden to liver and other cell types. We show that adult neurogenesis within the dentate gyrus of the hippocampus is selectively impaired in a rat model of alcoholism, and that it can be completely prevented by the antioxidant ebselen. Rats fed for 6 weeks with a liquid diet containing moderate doses of ethanol had a 66.3% decrease in the number of new neurons and a 227-279% increase in cell death in the dentate gyrus as compared with paired controls. Neurogenesis within the olfactory bulb was not affected by alcohol. Our studies indicate that alcohol abuse, even for a short duration, results in the death of newly formed neurons within the adult brain and that the underlying mechanism is related to oxidative or nitrosative stress. Moreover, these findings suggest that the impaired neurogenesis may be a mechanism mediating cognitive deficits observed in alcoholism. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 13 |
| Volume Number | 100 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2003-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Alcoholism Antioxidants Pharmacology Ethanol Adverse Effects Hippocampus Drug Effects Animals Antimetabolites Azoles Bromodeoxyuridine Cell Division Cell Survival Pathology Microscopy, Electron Neurons Neuroprotective Agents Nitrogen Metabolism Olfactory Bulb Organoselenium Compounds Oxidative Stress Rats, Sprague-Dawley Time Factors Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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