Geon-Ho Bahn

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It is generally accepted that alcohol and nicotine affect learning ability and memory functions, especially in adolescents. In the present study, the effects of alcohol and nicotine on cell proliferation and apoptosis in the dentate gyrus of young rats were investigated. The results show that cell proliferation is suppressed by alcohol and nicotine.(More)
The present study investigated whether Shenqi-wan possesses a protective effect against hydrogen peroxide (H2O2)-induced apoptosis of the hippocampal cell line HiB5. Through morphological and biochemical analyses, it was demonstrated that HiB5 cells treated with H2O2 exhibited several apoptotic features, while cells pre-treated with Shenqi-wan prior to H2O2(More)
The medicinal plant Hypericum perforatum Linn, commonly known as St. John's wort, has been used as an antidepressant. To investigate whether St. John's wort possesses a protective effect against hydrogen peroxide (H(2)O(2))-induced cytotoxicity in neuronal cells, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay,(More)
The aqueous extract of Liuweidihuang-tang given to rats at doses of 100 mg/kg/day for 10 days induced a reduction in the frequency of error and increased neurogenesis in the hippocampal dentate gyrus. Our data suggest that Liuweidihuang-tang improves spatial learning ability by increasing neurogenesis in the dentate gyrus.
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