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Shen C, Ding X, Ruan J, Ruan F, Hu W, Huang J, He C, Yu Y, Zuo Z. Black phosphorus quantum dots induce myocardial inflammatory responses and metabolic disorders in mice. J Environ Sci (China) 2024; 137:53-64. [PMID: 37980037 DOI: 10.1016/j.jes.2023.01.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 11/20/2023]
Abstract
As an ultrasmall derivative of black phosphorus (BP) sheets, BP quantum dots (BP-QDs) have been effectively used in many fields. Currently, information on the cardiotoxicity induced by BP-QDs remains limited. We aimed to evaluate BP-QD-induced cardiac toxicity in mice. Histopathological examination of heart tissue sections was performed. Transcriptome sequencing, real-time quantitative PCR (RT‒qPCR), western blotting, and enzyme-linked immunosorbent assay (ELISA) assays were used to detect the mRNA and/or protein expression of proinflammatory cytokines, nuclear factor kappa B (NF-κB), phosphatidylinositol 3 kinase-protein kinase B (PI3K-AKT), peroxisome proliferator-activated receptor gamma (PPARγ), and glucose/lipid metabolism pathway-related genes. We found that heart weight and heart/body weight index (HBI) were significantly reduced in mice after intragastric administration of 0.1 or 1 mg/kg BP-QDs for 28 days. In addition, obvious inflammatory cell infiltration and increased cardiomyocyte diameter were observed in the BP-QD-treated groups. Altered expression of proinflammatory cytokines and genes related to the NF-κB signaling pathway further confirmed that BP-QD exposure induced inflammatory responses. In addition, BP-QD treatment also affected the PI3K-AKT, PPARγ, thermogenesis, oxidative phosphorylation, and cardiac muscle contraction signaling pathways. The expression of genes related to glucose/lipid metabolism signaling pathways was dramatically affected by BP-QD exposure, and the effect was primarily mediated by the PPAR signaling pathway. Our study provides new insights into the toxicity of BP-QDs to human health.
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Affiliation(s)
- Chao Shen
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Xiaoyan Ding
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jinpeng Ruan
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Fengkai Ruan
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Weiping Hu
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Jiyi Huang
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Chengyong He
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China
| | - Yi Yu
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China.
| | - Zhenghong Zuo
- Department of Nephrology, State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Fujian Clinical Research Center for Chronic Glomerular Disease, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen 361102, China.
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