ZHANG Xiao Qiang; YIN Li Hong; TANG Meng; PU Yue Pu

doi:10.3967/0895-3988.2011.06.011

ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts

ZHANG Xiao Qiang, YIN Li Hong, TANG Meng, PU Yue Pu

文章导航 > Biomedical and Environmental Sciences > 2011 > 24(6): 661-669

ZHANG Xiao Qiang, YIN Li Hong, TANG Meng, PU Yue Pu. ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts[J]. Biomedical and Environmental Sciences, 2011, 24(6): 661-669. doi: 10.3967/0895-3988.2011.06.011

Citation:

ZHANG Xiao Qiang, YIN Li Hong, TANG Meng, PU Yue Pu. ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts[J]. Biomedical and Environmental Sciences, 2011, 24(6): 661-669. doi: 10.3967/0895-3988.2011.06.011

doi: 10.3967/0895-3988.2011.06.011

基金项目: the National Basic Research Program of China(2011CB933404)%the Science Foundation of Jiangsu Key Laboratory for Biomaterials and Devices(2010LBMD05)%the Science Foundation of Southeast University(XJ2008335)

ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts

School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, Southeast University, Nanjing 210009, Jiangsu,China

Funds: the National Basic Research Program of China(2011CB933404)%the Science Foundation of Jiangsu Key Laboratory for Biomaterials and Devices(2010LBMD05)%the Science Foundation of Southeast University(XJ2008335)

摘要: Objective This study aims to investigate and compare the toxic effects of four types of metal oxide (ZnO,TiO2,SiO2,and Al2O3) nanoparticles with similar primary size (～20 nm) on human fetal lung fibroblasts (HFL1) in vitro.Methods The HFL1 cells were exposed to the nanoparticles,and toxic effects were analyzed by using MTT assay,cellular morphology observation and Hoechst 33 258 staining.Results The results show that the four types of metal oxide nanoparticles lead to cellular mitochondrial dysfunction,morphological modifications and apoptosis at the concentration range of 0.25-1.50 mg/mL and the toxic effects are obviously displayed in dose-dependent manner.ZnO is the most toxic nanomaterials followed by TiO2,SiO2,and Al2O3 nanoparticles in a descending order.Conclusion The results highlight the differential cytotoxicity associated with exposure to ZnO,TiO2,SiO2,and Al2O3 nanoparticles,and suggest an extreme attention to safety utilization of these nanomaterials.
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Abstract: Objective This study aims to investigate and compare the toxic effects of four types of metal oxide (ZnO,TiO2,SiO2,and Al2O3) nanoparticles with similar primary size (～20 nm) on human fetal lung fibroblasts (HFL1) in vitro.Methods The HFL1 cells were exposed to the nanoparticles,and toxic effects were analyzed by using MTT assay,cellular morphology observation and Hoechst 33 258 staining.Results The results show that the four types of metal oxide nanoparticles lead to cellular mitochondrial dysfunction,morphological modifications and apoptosis at the concentration range of 0.25-1.50 mg/mL and the toxic effects are obviously displayed in dose-dependent manner.ZnO is the most toxic nanomaterials followed by TiO2,SiO2,and Al2O3 nanoparticles in a descending order.Conclusion The results highlight the differential cytotoxicity associated with exposure to ZnO,TiO2,SiO2,and Al2O3 nanoparticles,and suggest an extreme attention to safety utilization of these nanomaterials.
- Metal oxide nanoparticles /
- Toxic effects /
- Fibroblasts

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ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts

doi: 10.3967/0895-3988.2011.06.011

刊出日期: 2011-12-20

关键词:

Metal oxide nanoparticles /

Toxic effects /

Fibroblasts

摘要: Objective This study aims to investigate and compare the toxic effects of four types of metal oxide (ZnO,TiO2,SiO2,and Al2O3) nanoparticles with similar primary size (～20 nm) on human fetal lung fibroblasts (HFL1) in vitro.Methods The HFL1 cells were exposed to the nanoparticles,and toxic effects were analyzed by using MTT assay,cellular morphology observation and Hoechst 33 258 staining.Results The results show that the four types of metal oxide nanoparticles lead to cellular mitochondrial dysfunction,morphological modifications and apoptosis at the concentration range of 0.25-1.50 mg/mL and the toxic effects are obviously displayed in dose-dependent manner.ZnO is the most toxic nanomaterials followed by TiO2,SiO2,and Al2O3 nanoparticles in a descending order.Conclusion The results highlight the differential cytotoxicity associated with exposure to ZnO,TiO2,SiO2,and Al2O3 nanoparticles,and suggest an extreme attention to safety utilization of these nanomaterials.

English Abstract

ZnO, TiO2, SiO2, and Al2O3 Nanoparticles-induced Toxic Effects on Human Fetal Lung Fibroblasts

School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, Southeast University, Nanjing 210009, Jiangsu,China

Publish Date: 2011-12-20

Keywords:

Abstract: Objective This study aims to investigate and compare the toxic effects of four types of metal oxide (ZnO,TiO2,SiO2,and Al2O3) nanoparticles with similar primary size (～20 nm) on human fetal lung fibroblasts (HFL1) in vitro.Methods The HFL1 cells were exposed to the nanoparticles,and toxic effects were analyzed by using MTT assay,cellular morphology observation and Hoechst 33 258 staining.Results The results show that the four types of metal oxide nanoparticles lead to cellular mitochondrial dysfunction,morphological modifications and apoptosis at the concentration range of 0.25-1.50 mg/mL and the toxic effects are obviously displayed in dose-dependent manner.ZnO is the most toxic nanomaterials followed by TiO2,SiO2,and Al2O3 nanoparticles in a descending order.Conclusion The results highlight the differential cytotoxicity associated with exposure to ZnO,TiO2,SiO2,and Al2O3 nanoparticles,and suggest an extreme attention to safety utilization of these nanomaterials.

Citation: