Genotoxic and Toxic Effects of The Flame Retardant Tris(Chloropropyl) Phosphate (TCPP) in Human Lymphocytes, Microalgae and Bacteria

被引:9
作者
Antonopoulou, Maria [1 ]
Vlastos, Dimitris [2 ]
Dormousoglou, Margarita [1 ]
Bouras, Spyridon [1 ]
Varela-Athanasatou, Maria [1 ]
Bekakou, Irene-Eleni [1 ]
机构
[1] Univ Patras, Dept Sustainable Agr, Dept Environm Engn, Agrinion 30100, Greece
[2] Univ Patras, Dept Biol, Sect Genet Cell Biol & Dev, Patras 26500, Greece
关键词
tris(chloropropyl) phosphate (TCPP); flame retardants; human lymphocytes; genotoxicity; cytotoxicity; aquatic organisms; LUMINESCENT BACTERIA; PLASTICIZERS; EXPRESSION; TDCPP; WATER;
D O I
10.3390/toxics10120736
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Tris(chloropropyl) phosphate (TCPP) is a characteristic and widely used organophosphorus flame retardant. TCPP is comprised of four isomers and the most abundant is tris(1-chloro-2-propyl) phosphate. TCPP can be released into the environment, with potential impacts on living organisms and humans due to its extensive industrial use. Aiming to assess the potential risks of TCPP on human health and the environment, its toxic and genotoxic effects-using organisms from different trophic levels, i.e., bacteria, green microalgae, and human cells-were investigated. TCPP exposure at nominal concentrations of 10, 20, 30 and 40 mu g mL(-1) was studied to identify the potential risk of inducing genotoxic effects in cultured human lymphocytes. Treatment with 30 and 40 mu g mL(-1) of TCPP induced marginally significant micronuclei (MN) frequencies as well as cytotoxic effects. Freshwater microalgae species treated with TCPP (0.5, 1, 10, 20 and 50 mu g L-1) showed different growth rates over time. All the tested microalgae species were adversely affected after exposure to TCPP during the first 24 h. However, differences among the microalgae species' sensitivities were observed. In the case of the freshwater species, the most sensitive was found to be Chlorococcum sp. The marine algal species Dunaliella tertiolecta and Tisochrysis lutea were significantly affected after exposure to TCPP. The effects of TCPP on Aliivibrio fischeri that were observed can classify this flame retardant as a "harmful" compound. Our results suggest a potential risk to aquatic organisms and humans from the wide utilization of TCPP and its consequent release into the environment. These results highlight that further research should be conducted to investigate the effects of TCPP individually and in combination with other organophosphorus flame retardants in various organisms. In addition, the concern induced by TCPP points out that measures to control the introduction of TCPP into the environment should be taken.
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页数:14
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