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Cited by 269

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Selective impairment of hippocampal neurogenesis by chronic alcoholism: Protective effects of an antioxidant

Open access
Herrera, Daniel G., Yagüe, Almudena G., Johnsen-Soriano, Siv, Bosch-Morell, Francisco, Collado-Morente, Lucía, Muriach, Maria, Romero, Francisco J., García-Verdugo, J. Manuel·2003·Proceedings of the National Academy of Sciences

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.

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Metadata

Authors
Herrera, D. G., Yagüe, A. G., Johnsen-Soriano, S., Bosch-Morell, F., Collado-Morente, L., Muriach, M., Romero, F. J., & García-Verdugo, J. M.
Venue
Proceedings of the National Academy of Sciences
Published
2003-06-05
Volume
100
Issue
13
Pages
7919-7924
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2166346862
Cited by
269
References
4
FWCI
4.75
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Selective impairment of hippocampal neurogenesis by chronic alcoholism: Protective effects of an antioxidant. https://app.cochat.ai/papers/10.1073/pnas.1230907100
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Herrera, D. G., Yagüe, A. G., Johnsen-Soriano, S., Bosch-Morell, F., Collado-Morente, L., Muriach, M., Romero, F. J., & García-Verdugo, J. M. (2003). Selective impairment of hippocampal neurogenesis by chronic alcoholism: Protective effects of an antioxidant. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1230907100

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.