| Distinct responses from triglyceride and cholesterol metabolism in common carp (Cyprinus carpio) upon environmental cadmium exposure | |
Guo, Wenli; Gao, Beibei; Zhang, Xiaoqian; Ren, Quanzhong; Xie, Dizhi; Liang, Junping; Li, Hui; Wang, Xianfeng; Zhang, Yuru; Liu, Sijin ; Nie, Guoxing
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| 2022-08 | |
| Source Publication | AQUATIC TOXICOLOGY
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| ISSN | 0166-445X |
| Volume | 249Issue:0Pages:106239 |
| Abstract | Due to high persistence and bioavailability, Cadmium (Cd) is one of the most prevalent environmental contaminants, posing an elevating threat to the ecosystems. It has been evidenced that high-dose Cd elicits deleterious effects on aquatic organisms, but the potential toxicities of Cd at environmentally relevant concentrations remains underappreciated. In this study, we used common carp to investigate how environmental Cd exposure affects triglyceride (TG) and cholesterol metabolism and underlying mechanisms. The data indicated that Cd resulted in the shift of TG from the liver to blood and the movement of cholesterol in the opposite direction, ultimately giving rise to the storage of crude lipid in liver and muscle, especially hepatic cholesterol retention. Cholesterol, instead of TG, became the principal cause during the progression of hepatic lipid accumulation. Mechanistic investigations at transcriptional and translational levels further substantiated that Cd blocked hepatic biosynthesis of TG and enhanced TG efflux out of the liver and fatty acid beta-oxidation, which collectively led to the compromised TG metabolism in the liver and accelerated TG export to the serum. Additionally, strengthened synthesis, retarded export and oxidation of cholesterol detailed the hepatic prominent cholesterol retention. Taken together, our results demonstrated that environmental exposure to Cd perturbed lipid metabolism through triggering distinct responses from hepatic TG and cholesterol homeostasis. These indicated that environmental factors (such as waterborne Cd) could be a potential contributor to the prevalence of nonalcoholic fatty-liver disease in aquaculture and more efforts should be devoted to the ecological risk assessment of pollutants under environmental scenarios. |
| Department | 环境化学与生态毒理学国家重点实验室 ; 环境化学与生态毒理学国家重点实验室 |
| Keyword | FLY HERMETIA-ILLUCENS FATTY LIVER LIPID-METABOLISM GENE-EXPRESSION OXIDATIVE STRESS GROWTH-PERFORMANCE TRANSFER PROTEIN PPAR-GAMMA ZEBRAFISH FISH |
| Document Type | 期刊论文 |
| Identifier | https://ir.rcees.ac.cn/handle/311016/47510 |
| Collection | 环境化学与生态毒理学国家重点实验室 |
| Corresponding Author | Nie, Guoxing |
| Affiliation | 1.Henan Normal Univ, Coll Fisheries, Xinxiang 453007, Henan, Peoples R China 2.Henan Normal Univ, Engn Technol Res Ctr Henan Prov Aquat Anim Cultiv, Xinxiang 453007, Henan, Peoples R China 3.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China 4.Chinese Acad Sci, State Key Lab Environm Chem & Ecotoxicol, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 5.South China Agr Univ, Coll Marine Sci, Guangzhou 510642, Peoples R China |
| Recommended Citation GB/T 7714 | Guo, Wenli,Gao, Beibei,Zhang, Xiaoqian,et al. Distinct responses from triglyceride and cholesterol metabolism in common carp (Cyprinus carpio) upon environmental cadmium exposure[J]. AQUATIC TOXICOLOGY,2022,249(0):106239. |
| APA | Guo, Wenli.,Gao, Beibei.,Zhang, Xiaoqian.,Ren, Quanzhong.,Xie, Dizhi.,...&Nie, Guoxing.(2022).Distinct responses from triglyceride and cholesterol metabolism in common carp (Cyprinus carpio) upon environmental cadmium exposure.AQUATIC TOXICOLOGY,249(0),106239. |
| MLA | Guo, Wenli,et al."Distinct responses from triglyceride and cholesterol metabolism in common carp (Cyprinus carpio) upon environmental cadmium exposure".AQUATIC TOXICOLOGY 249.0(2022):106239. |
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| Distinct responses f（7698KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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