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Open AccessArticle

The Complex Toxicity of Tetracycline with Polystyrene Spheres on Gastric Cancer Cells

1
College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China
2
Shenzhen Institute of Guangdong Ocean University, Shenzhen 518108, China
3
School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
4
Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang 524088, China
5
College of Agriculture, Guangdong Ocean University, Zhanjiang 524088, China
*
Authors to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(8), 2808; https://doi.org/10.3390/ijerph17082808
Received: 8 April 2020 / Accepted: 16 April 2020 / Published: 19 April 2020
Nowadays, microplastics (MPs) exist widely in the marine. The surface has strong adsorption capacity for antibiotics in natural environments, and the cytotoxicity of complex are poorly understood. In the study, 500 nm polystyrene (PS-MPs) and 60 nm nanoplastics (PS-NPs) were synthesized. The adsorption of PS to tetracycline (TC) was studied and their toxicity to gastric cancer cells (AGS) was researched. The adsorption experimental results show that PS absorbing capacity increased with increasing TC concentrations. The defense mechanism results show that 60 nm PS-NPs, 500 nm PS-MPs and their complex induce different damage to AGS cells. Furthermore, 600 mg/L PS-NPs and PS-MPs decline cell viability, induce oxidation stress and cause apoptosis. There is more serious damage of 60 nm PS-NPs than 500 nm PS-MPs in cell viability and intracellular reactive oxygen species (ROS). DNA are also damaged by 60 nm PS-NPs and PS-TC NPs, 500 nm PS-MPs and PS-TC MPs, and 60 nm PS-NPs damage DNA more serious than 500 nm PS-MPs. Moreover, 60 nm PS-NPs and PS-TC NPs seem to promote bcl-2 associated X protein (Bax) overexpression. All treatments provided us with evidence on how PS-NPs, PS-MPs and their compounds damaged AGS cells. View Full-Text
Keywords: microplastics; nanoplastics; adsorption; tetracycline; AGS cells microplastics; nanoplastics; adsorption; tetracycline; AGS cells
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MDPI and ACS Style

Yan, X.; Zhang, Y.; Lu, Y.; He, L.; Qu, J.; Zhou, C.; Hong, P.; Sun, S.; Zhao, H.; Liang, Y.; Ren, L.; Zhang, Y.; Chen, J.; Li, C. The Complex Toxicity of Tetracycline with Polystyrene Spheres on Gastric Cancer Cells. Int. J. Environ. Res. Public Health 2020, 17, 2808. https://doi.org/10.3390/ijerph17082808

AMA Style

Yan X, Zhang Y, Lu Y, He L, Qu J, Zhou C, Hong P, Sun S, Zhao H, Liang Y, Ren L, Zhang Y, Chen J, Li C. The Complex Toxicity of Tetracycline with Polystyrene Spheres on Gastric Cancer Cells. International Journal of Environmental Research and Public Health. 2020; 17(8):2808. https://doi.org/10.3390/ijerph17082808

Chicago/Turabian Style

Yan, Xiemin; Zhang, Yuanyuan; Lu, Yuqin; He, Lei; Qu, Junhao; Zhou, Chunxia; Hong, Pengzhi; Sun, Shengli; Zhao, Hui; Liang, Yanqiu; Ren, Lei; Zhang, Yueqin; Chen, Jinjun; Li, Chengyong. 2020. "The Complex Toxicity of Tetracycline with Polystyrene Spheres on Gastric Cancer Cells" Int. J. Environ. Res. Public Health 17, no. 8: 2808. https://doi.org/10.3390/ijerph17082808

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