Volume 17 Issue 2
Jun.  2004
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AI-GUO WANG, TAO Xia, QI-LONG CHU, Ming Zhang, FANG LIU, XUE-MIN CHEN, KE-DI YANG. Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes[J]. Biomedical and Environmental Sciences, 2004, 17(2): 217-222.
Citation: AI-GUO WANG, TAO Xia, QI-LONG CHU, Ming Zhang, FANG LIU, XUE-MIN CHEN, KE-DI YANG. Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes[J]. Biomedical and Environmental Sciences, 2004, 17(2): 217-222.

Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes

Funds:  国家自然科学基金(30271155)%国家重点基础研究发展计划(973计划)(2022CB512908)
  • Objective To investigate the effects of fluoride on lipid peroxidation, DNA damage and apoptosis in human embryo hepatocyte L-02 cells. Methods Lipid peroxide (LPO) level, reduced glutathione (GSH) content, DNA damage, apoptosis, and cell cycle analysis were measured after in vitro cultured L-02 cells were exposed to sodium fluoride at different doses (40 μg/mL, 80 μg/mL, and 160 μg/mL) for 24 hours. Results Fluoride caused an increase of LPO levels and a decrease of GSH content in L-02 cells. There appeared to be an obvious dose-effect relationship between the fluoride concentration and the observed changes. Fluoride also caused DNA damage and apoptosis and increased the cell number in S phase of cell cycle in the cells tested. There was a statistically significant difference in DNA damage and apoptosis when comparing the high dose of fluoride treated cells with the low dose of fluoride treated cells. Conclusion Fluoride can cause lipid peroxidation, DNA damage, and apoptosis in the L-02 cell experimental model and there is a significant positive correlation between fluoride concentration and these pathological changes.
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Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes

Funds:  国家自然科学基金(30271155)%国家重点基础研究发展计划(973计划)(2022CB512908)

Abstract: Objective To investigate the effects of fluoride on lipid peroxidation, DNA damage and apoptosis in human embryo hepatocyte L-02 cells. Methods Lipid peroxide (LPO) level, reduced glutathione (GSH) content, DNA damage, apoptosis, and cell cycle analysis were measured after in vitro cultured L-02 cells were exposed to sodium fluoride at different doses (40 μg/mL, 80 μg/mL, and 160 μg/mL) for 24 hours. Results Fluoride caused an increase of LPO levels and a decrease of GSH content in L-02 cells. There appeared to be an obvious dose-effect relationship between the fluoride concentration and the observed changes. Fluoride also caused DNA damage and apoptosis and increased the cell number in S phase of cell cycle in the cells tested. There was a statistically significant difference in DNA damage and apoptosis when comparing the high dose of fluoride treated cells with the low dose of fluoride treated cells. Conclusion Fluoride can cause lipid peroxidation, DNA damage, and apoptosis in the L-02 cell experimental model and there is a significant positive correlation between fluoride concentration and these pathological changes.

AI-GUO WANG, TAO Xia, QI-LONG CHU, Ming Zhang, FANG LIU, XUE-MIN CHEN, KE-DI YANG. Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes[J]. Biomedical and Environmental Sciences, 2004, 17(2): 217-222.
Citation: AI-GUO WANG, TAO Xia, QI-LONG CHU, Ming Zhang, FANG LIU, XUE-MIN CHEN, KE-DI YANG. Effects of Fluoride on Lipid Peroxidation, DNA Damage and Apoptosis in Human Embryo Hepatocytes[J]. Biomedical and Environmental Sciences, 2004, 17(2): 217-222.

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