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Zhang H, Zhu C, Zhao J, Zheng R, Xing J, Li Z, Zhang Y, Xu Q. The enhanced hepatotoxicity of isobavachalcone in depigmented zebrafish due to calcium signaling dysregulation and lipid metabolism disorder. J Appl Toxicol 2024; 44:919-932. [PMID: 38400677 DOI: 10.1002/jat.4593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
Isobavachalcone (IBC) is a flavonoid component derived from Psoraleae Fructus that can increase skin pigmentation and treat vitiligo. However, IBC has been reported to be hepatotoxic. Current studies on IBC hepatotoxicity are mostly on normal organisms but lack studies on hepatotoxicity in patients. This study established the depigmented zebrafish model by using phenylthiourea (PTU) and investigated the difference in hepatotoxicity between normal and depigmented zebrafish caused by IBC and the underlying mechanism. Morphological, histological, and ultrastructural examination and RT-qPCR verification were used to evaluate the effects of IBC on the livers of zebrafish larvae. IBC significantly decreased liver volume, altered lipid metabolism, and induced pathological and ultrastructural changes in the livers of zebrafish with depigmentation compared with normal zebrafish. The RNA-sequencing and RT-qPCR results showed that the difference in hepatotoxicity between normal and depigmented zebrafish caused by IBC was closely related to the calcium signaling pathway, lipid decomposition and metabolism, and oxidative stress. This work delved into the mechanism of the enhanced IBC-induced hepatotoxicity in depigmented zebrafish and provided a new insight into the hepatotoxicity of IBC.
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Affiliation(s)
- Huiwen Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Chengyue Zhu
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Jingcheng Zhao
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
- College of Medicine, Xin Jiang Medical University, Urumqi, China
| | - Ruifang Zheng
- Institute of Medicine of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Jianguo Xing
- Institute of Medicine of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Zhijian Li
- College of Medicine, Xin Jiang Medical University, Urumqi, China
- Hospital of Xin Jiang Traditional UYGMJR Medicine, Urumqi, China
| | - Yun Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Qian Xu
- Jinan Municipal Hospital of Traditional Chinese Medicine, Jinan, China
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Zhou Z, Wu F, Tong Y, Zhang S, Li L, Cheng F, Zhang B, Zeng X, Yu Z, You J. Toxicity and chemical characterization of shale gas wastewater discharged to the receiving water: Evidence from toxicity identification evaluation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169510. [PMID: 38154638 DOI: 10.1016/j.scitotenv.2023.169510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/17/2023] [Accepted: 12/17/2023] [Indexed: 12/30/2023]
Abstract
Flowback and produced water (FPW) generated from shale gas extraction is a complex mixture consisting of injected drilling fluid, deep formation water, and byproducts of downhole reactions. Limited knowledge is available regarding the impact of discharged FPW on surface water in China. With the development of shale gas exploitation, this emphasizes an urgent need for comprehensive assessments and stringent regulations to ensure the safe disposal of shale gas extraction-related wastewater. Herein, we explored potential impacts of treated shale gas wastewater discharged into a local river in southwest China through toxicity identification evaluation (TIE). Results revealed that organics and particulates significantly contributed to the overall toxicity of the treated FPW wastewater. Through target and suspect chemical analyses, various categories of organic contaminants were detected, including alkanes, aromatic hydrocarbons, biocides, phenols, and phthalates. Furthermore, non-target analysis uncovered the presence of surfactant-related contaminants in tissues of exposed organisms, but their contribution to the observed toxicity was unclear due to the lack of effect data for these compounds. Higher toxicity was found at the discharge point compared with upstream sites; however, the toxicity was rapidly mitigated due to dilution in the receiving river, posing little impact on downstream areas. Our study highlighted the importance of monitoring toxicity and water quality of FPW effluent even though dilution could be a viable approach when the water volume in the discharge was small.
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Affiliation(s)
- Zhimin Zhou
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China; State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China
| | - Fan Wu
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China.
| | - Yujun Tong
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Shaoqiong Zhang
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Liang Li
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Fei Cheng
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
| | - Biao Zhang
- State Key Laboratory of Organic Geochemistry, Guangdong Key Laboratory of Environment and Resources, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Xiangying Zeng
- State Key Laboratory of Organic Geochemistry, Guangdong Key Laboratory of Environment and Resources, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Zhiqiang Yu
- State Key Laboratory of Organic Geochemistry, Guangdong Key Laboratory of Environment and Resources, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Jing You
- School of Environment and Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China
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Al Marshoudi M, Al Reasi HA, Al Habsi A, Barry MJ. Additive effects of microplastics on accumulation and toxicity of cadmium in male zebrafish. CHEMOSPHERE 2023; 334:138969. [PMID: 37244557 DOI: 10.1016/j.chemosphere.2023.138969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/04/2023] [Accepted: 05/16/2023] [Indexed: 05/29/2023]
Abstract
Microplastics (MPs) have emerged as contaminants of concern because of their ubiquitous presence in almost all aquatic environments. The ecological effects of MPs are complex and depend on multiple factors including their age, size and the ecological matrix. There is an urgent need for multifactorial studies to elucidate their impacts. We measured the effects of virgin and naturally aged MPs, alone, pretreated with cadmium (Cd), or in combination with ionic Cd, on the bioaccumulation of Cd, metallothionein expression, behavior, and histopathology of adult zebrafish (Danio rerio). Zebrafish were exposed to virgin or aged polyethylene MPs (0.1% MPs enriched diets, w/w) or waterborne Cd (50 μg/L) or a combination of the two for 21 days. There was an additive interaction between water-borne Cd and MPs on bioaccumulation in males but not in females, Cd accumulation increased by twofold when water-borne Cd and MPs were combined. Water-borne Cd significantly induced higher levels of metallothionein compared to MPs pre-exposed to Cd. However, Cd-treated MPs caused greater damage to the intestine and liver compared to untreated MPs suggesting that bound Cd could be released or modulate MPs toxicity. We also showed that co-exposure to water-borne Cd and MPs increased anxiety in the zebrafish, compared with water-borne Cd alone, suggesting using microplastics as a vector may increase toxicity. This study demonstrates that MPs can enhance the toxicity of Cd, but further study is needed to elucidate the mechanism.
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Affiliation(s)
- Maklas Al Marshoudi
- Biology Department, Sultan Qaboos University, PO Box 36, Muscat, 123, Sultanate of Oman; Current Address: College of Applied Sciences and Pharmacy, University of Technology and Applied Sciences (UTA), Muscat, PO Box 74, Al-Khuwair, Sultanate of Oman
| | - Hassan A Al Reasi
- Biology Department, Sultan Qaboos University, PO Box 36, Muscat, 123, Sultanate of Oman; Center for Environmental Studies and Research, Sultan Qaboos University, Al-Khod, Muscat, PO Box: 17, Postal Code: 123 SQU, Oman
| | - Aziz Al Habsi
- Biology Department, Sultan Qaboos University, PO Box 36, Muscat, 123, Sultanate of Oman
| | - Michael J Barry
- Biology Department, Sultan Qaboos University, PO Box 36, Muscat, 123, Sultanate of Oman.
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