Toxicological effects of polystyrene nanoplastics on marine organisms

被引：18

作者：

Hsieh, Shu-Ling ^{[1
]}

Hsieh, Shuchen ^{[2
]}

Xu, Ruo-Qi ^{[1
]}

Chen, Ya-Ting ^{[1
]}

Chen, Chiu-Wen ^{[3
]}

Singhania, Reeta Rani ^{[3
]}

Chen, Yi-Chun ^{[4
]}

Tsai, Tsai -Hui ^{[1
]}

Dong, Cheng-Di ^{[3
,5
]}

机构：

[1] Natl Kaohsiung Univ Sci & Technol, Dept Seafood Sci, Kaohsiung 81157, Taiwan

[2] Natl Sun Yat Sen Univ, Dept Chem, Kaohsiung 80424, Taiwan

[3] Natl Kaohsiung Univ Sci & Technol, Dept Marine Environm Engn, Kaohsiung 81157, Taiwan

[4] Educ Univ Hong Kong, Ctr Environm & Sustainable Dev, Tai Po Campus, Hong Kong, Peoples R China

[5] Natl Kaohsiung Univ Sci & Technol, Dept Marine Environm Engn, 142 Haijhuan Rd, Kaohsiung 81157, Taiwan

来源：

ENVIRONMENTAL TECHNOLOGY & INNOVATION | 2023年 / 30卷

关键词：

Polystyrene nanoplastics; Litopenaeus vannamei; Immune disruption; Oxidative stress; Histopathology damage; IMMUNE-RESPONSES; SHRIMP; HEMOCYTES; MICROBEADS; SYSTEM;

D O I：

10.1016/j.eti.2023.103073

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Nanoplastic (NP) is an emerging contaminant in recent years, and it has been detected in water and even in polar ice. Further verification of the toxic potential of NPs in marine organisms is needed so that the ecological threat can be minimized. This study investigated the effects of 0.1, 0.2, 0.5, and 1.0 mu g (g shrimp)-1 of polystyrene nanoplastics (PS-NPs) on immune and oxidative response in Litopenaeus vannamei (L. vannamei) and the survival rate was recorded everyday. After 7 days, the immune and antioxidant parameters were analyzed, and histopathology and accumulation of PS-NPs were observed. The results indicated that the survival rate of shrimp receiving > 0.5 mu g (g shrimp)-1 PS-NPs was remarkably decreased than that of the control. The immune response results indicated that phagocytic activity (PA) receiving different concentrations of PS-NPs was remarkably decreased than the control. Respiratory burst activity (RB) receiving different concentrations of PS-NPs was remarkably increased than the control. However, superoxide dismutase activity (SOD) receiving > 0.2 mu g (g shrimp)-1 of PS -NPs was remarkably decreased than the control. The oxidative response results indicated that SOD activity receiving different concentrations of PS-NPs was remarkably decreased than that of the control. The catalase (CAT) activity, SOD mRNA expression, and mal-ondialdehyde (MDA) content receiving different concentrations PS-NPs was remarkably increased than that of the control. In addition, CAT mRNA expression receiving > 0.2 mu g (g shrimp)-1 of PS-NPs was remarkably increased than the control. The histopathology shows that different concentrations of PS-NPs cause muscle, hepatopancreas, midgut gland, and gill damage. These results indicate that PS-NPs cause toxicity to L. vannamei by immune disruption, increased oxidative stress, and histopathology damage.(c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

引用

页数：12

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