1
|
Zhai Z, Zhang Y, Liang X, Li J, Chen Z, Zhang J, Li W, Wang T, He Q, Li F, Meng Q, Cao J, Su Z, Chang Y, Chen X, Hong A. Acesulfame potassium triggers inflammatory bowel disease via the inhibition of focal adhesion pathway. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:134901. [PMID: 38909462 DOI: 10.1016/j.jhazmat.2024.134901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 06/04/2024] [Accepted: 06/12/2024] [Indexed: 06/25/2024]
Abstract
Acesulfame potassium (ACK) was generally regarded as innocuous and extensively ingested. Nevertheless, ACK has recently gained attention as a burgeoning pollutant that has the potential to induce a range of health hazards, particularly to the digestive system. Herein, we uncover that ACK initiates inflammatory bowel disease (IBD) in mice and zebrafish, as indicated by the aggregation of macrophages in the intestine and the inhibition of intestinal mucus secretion. Transcriptome analysis of mice and zebrafish guts revealed that exposure to ACK typically impacts the cell cycle, focal adhesion, and PI3K-Akt signaling pathways. Using pharmacological approaches, we demonstrate that the PI3K-Akt signaling pathway and the generation of reactive oxygen species (ROS) triggered by cell division are not significant factors in the initiation of IBD caused by ACK. Remarkably, inhibition of the focal adhesion pathway is responsible for the IBD onset induced by ACK. Our results indicate the detrimental impacts and possible underlying mechanisms of ACK on the gastrointestinal system and provide insights for making informed choices about everyday dietary habits.
Collapse
Affiliation(s)
- Zhaodong Zhai
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Yibo Zhang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China.
| | - Xujing Liang
- Department of Infectious Disease, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Jingsheng Li
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Zhiqi Chen
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Jianbin Zhang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - WeiCai Li
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Teng Wang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Qianyi He
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Fu Li
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Qilin Meng
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Jieqiong Cao
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China; Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Zijian Su
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China
| | - Yiming Chang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China; Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Xiaojia Chen
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China; MOE Key Laboratory of Tumor Molecular Biology, Jinan University, Guangzhou, China.
| | - An Hong
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Jinan University, Guangzhou 510632, China; National Engineering Research Center of Genetic Medicine, Guangzhou 510632, China; State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Bioengineering Medicine, Guangzhou 510632, China; Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, Jinan University, Guangzhou 510632, China.
| |
Collapse
|
2
|
Jiang L, Yu Z, Zhao Y, Yin D. Obesogenic potentials of environmental artificial sweeteners with disturbances on both lipid metabolism and neural responses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170755. [PMID: 38340820 DOI: 10.1016/j.scitotenv.2024.170755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/03/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Artificial sweeteners (ASs) entered the environments after application and emissions. Recent studies showed that some ASs had obesogenic risks. However, it remained unclear whether such risks are common and how they provoke such effects. Presently, the effects of 8 widely used ASs on lipid accumulation were measured in Caenorhabditis elegans. Potential mechanisms were explored with feeding and locomotion behavior, lipid metabolism and neural regulation. Results showed that acesulfame (ACE), aspartame (ASP), saccharin sodium (SOD), sucralose (SUC) and cyclamate (CYC) stimulated lipid accumulation at μg/L levels, showing obesogenic potentials. Behavior investigation showed that ACE, ASP, SOD, SUC and CYC biased more feeding in the energy intake aspect against the locomotion in the energy consumption one. Neotame (NEO), saccharin (SAC) and alitame (ALT) reduced the lipid accumulation without significant obesogenic potentials in the present study. However, all 8 ASs commonly disturbed enzymes (e.g., acetyl-CoA carboxylase) in lipogenesis and those (e.g., carnitine palmitoyl transferase) in lipolysis. In addition, ASs disturbed PPARγ (via expressions of nhr-49), TGF-β/DAF-7 (daf-7) and SREBP (sbp-1) pathways. Moreover, they also interfered neurotransmitters including serotonin (5-HT), dopamine (DA) and acetylcholine (ACh), with influences in Gsα (e.g., via expressions of gsα-1, ser-7), glutamate (e.g., mgl-1), and cGMP-dependent signaling pathways (e.g., egl-4). In summary, environmental ASs commonly disturbed neural regulation connecting behavior and lipid metabolism, and 5 out of 8 showed clear obesogenic potentials. ENVIRONMENTAL IMPLICATION: Artificial sweeteners (ASs) are become emerging pollutants after wide application and continuous emission. Recent studies showed that some environmental ASs had obesogenic risks. The present study employed Caenorhabditis elegans to explore the influences of 8 commonly used ASs on lipid metabolisms and also the underlying mechanisms. Five out of 8 ASs stimulated lipid accumulation at μg/L levels, and they biased energy intake against energy consumption. The other three ASs reduced the lipid accumulation. ASs commonly disturbed lipogenesis and lipolysis via PPARγ, TGF-β and SREBP pathways, and also influenced neurotransmitters with Gsα, glutamate and cGMP-dependent signaling pathways.
Collapse
Affiliation(s)
- Linhong Jiang
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| | - Zhenyang Yu
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
| | - Yanbin Zhao
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China; School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Daqiang Yin
- State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| |
Collapse
|
3
|
Wiklund AKE, Guo X, Gorokhova E. Cardiotoxic and neurobehavioral effects of sucralose and acesulfame in Daphnia: Toward understanding ecological impacts of artificial sweeteners. Comp Biochem Physiol C Toxicol Pharmacol 2023; 273:109733. [PMID: 37619954 DOI: 10.1016/j.cbpc.2023.109733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 08/10/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
Artificial sweeteners are widely used in food and pharmaceuticals, but their stability and persistence raise concerns about their impact on aquatic life. Although standard toxicity tests do not reveal lethal effects, recent studies suggest a potential neurotoxic mode of action. Using environmentally relevant concentrations, we assessed the effects of sucralose and acesulfame, common sugar substitutes, on Daphnia magna focusing on biochemical (acetylcholinesterase activity; AChE), physiological (heart rate), and behavioural (swimming) endpoints. We found dose-dependent increases in AChE and inhibitory effects on heart rate and behaviour for both substances. Moreover, acesulfame induced a biphasic response in AChE activity, inhibiting it at lower concentrations and stimulating at higher ones. For all endpoints, the EC50 values were lower for acesulfame than for sucralose. Additionally, the relationship between acetylcholinesterase and heart rate differed depending on the substance, suggesting possible differences in the mode of action between sucralose and acesulfame. All observed EC50 values were at μg/l levels, i.e., within the levels reported for wastewater, with adverse effects observed at as low as 0.1 μg acesulfame /l. Our findings emphasise the need to re-evaluate risk assessment thresholds for artificial sweeteners and provide evidence for the neurotoxic effects of artificial sweeteners in the environment, informing international regulatory standards.
Collapse
Affiliation(s)
| | - Xueli Guo
- Department of Environmental Science, Stockholm University, SE 10691 Stockholm, Sweden
| | - Elena Gorokhova
- Department of Environmental Science, Stockholm University, SE 10691 Stockholm, Sweden.
| |
Collapse
|
4
|
Colín-García K, Elizalde-Velázquez GA, Gómez-Oliván LM, García-Medina S. Influence of sucralose, acesulfame-k, and their mixture on brain's fish: A study of behavior, oxidative damage, and acetylcholinesterase activity in Daniorerio. CHEMOSPHERE 2023; 340:139928. [PMID: 37625490 DOI: 10.1016/j.chemosphere.2023.139928] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023]
Abstract
Sucralose (SUC) and acesulfame-k (ACE-K) are widely used artificial sweeteners worldwide; however, they are frequently detected in aquatic environments due to their low metabolism and inadequate removal during wastewater treatment. The harmful effects of these compounds on hydrobionts have yet to be fully understood, as data on their toxicity is limited and inconclusive. This research aimed to determine the impact of SUC (50, 75, 125 μg/L) and ACE-K (50, 75, 125 μg/L), individually and in combination, on fish's swimming behavior, acetylcholinesterase activity, and oxidative stress response after four months of exposure. Following exposure, adult Danio rerio displayed anxiety-like behavior, as evidenced by increased freezing time and decreased swimming activity. Additionally, analysis of fish brain tissue revealed a disruption of REDOX homeostasis, leading to oxidative stress, which may be responsible for the observed inhibition of AChE activity. The results indicated that ACE-K was more toxic than SUC, and the mixture of both compounds produced a more detrimental effect than when each compound was administered alone. These findings highlight the hazardous impacts of SUC and ACE-K on fish in environmentally relevant concentrations, suggesting that these compounds should be added to the priority pollutant list.
Collapse
Affiliation(s)
- Karla Colín-García
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico
| | - Gustavo Axel Elizalde-Velázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma Del Estado de México, Paseo Colón Intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120, Toluca, Estado de México, Mexico.
| | - Sandra García-Medina
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu S/n y Cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México, CP, 07700, Mexico
| |
Collapse
|
5
|
Shi Y, Zhu H, Wang F, Chen S, Xu K, Wang L, Sun H. Daily Variability in Urinary Artificial Sweeteners and Its Association with Oxidative Stress Biomarkers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:14264-14271. [PMID: 36282477 DOI: 10.1021/acs.jafc.2c04692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Urinary artificial sweeteners (ASs) have been proved to be useful biomarkers for assessing their dietary intakes; however, it is unclear how well a spot urine sample may represent a longer-term exposure. Therefore, a longitudinal study was designed and six ASs and two oxidative stress biomarkers, namely, 8-hydroxy-2'-deoxyguanosine (8-OHdG) and malondialdehyde (MDA), were determined. Acesulfame (ACE) and saccharin (SAC) were detected in most urines with concentration ranges of
Collapse
Affiliation(s)
- Yumeng Shi
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Hongkai Zhu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Fei Wang
- Tianjin Key Laboratory of Clean Energy and Pollution Control, School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Shucong Chen
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Ke Xu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Lei Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Hongwen Sun
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| |
Collapse
|
6
|
Cao X, Rao C, Cui H, Sun D, Li L, Guo S, Zhou J, Yuan R, Yang S, Chen J. Toxic effects of glyphosate on the intestine, liver, brain of carp and on epithelioma papulosum cyprinid cells: Evidence from in vivo and in vitro research. CHEMOSPHERE 2022; 302:134691. [PMID: 35489457 DOI: 10.1016/j.chemosphere.2022.134691] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 06/14/2023]
Abstract
Glyphosate (GLY) is the most widely used organophosphorus herbicide in agriculture. The present study aimed to analyze the comprehensive toxicological effects of GLY on juvenile common carp and an epithelioma papulosum cyprinid (EPC) cell line. In the in vivo experiments, exposure to GLY (5 and 15 mg/L) for 30 days induced liver inflammation and oxidative damage in common carp and changed the physical barrier of the intestine. Histopathological analysis of the intestine, liver, brain, and changes in oxidative stress biomarkers provided evidence of damage and immune system responses to GLY. Moreover, an inhibitory effect of 15 mg/L GLY on acetylcholinesterase (AChE) activity was found in the brain, which may be an important reason for the significant decrease in both swimming distance and average acceleration of common carp. Cell experiments showed that 0.65 and 3.25 mg/L GLY inhibited the viability of EPCs. Furthermore, oxidative DNA damage, mitochondrial dysfunction, and reactive oxygen species (ROS) production were observed in EPC cells following GLY exposure. Taken together, this study not only highlights the negative effects of GLY on common carp but also enriches the knowledge of the cytotoxicity mechanism to further clarify the comprehensive toxicity of GLY in common carp.
Collapse
Affiliation(s)
- Xianglin Cao
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China.
| | - Chenyang Rao
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Han Cui
- College of Fisheries, Henan Normal University, Xinxiang, 453007, PR China.
| | - Dandan Sun
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Lulu Li
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Suqi Guo
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Jiameng Zhou
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Rongjie Yuan
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Shuai Yang
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| | - Jianjun Chen
- College of Life Science, Henan Normal University, Xinxiang, 453007, PR China.
| |
Collapse
|
7
|
Toxicological and Nutraceutical Screening Assays of Some Artificial Sweeteners. Processes (Basel) 2022. [DOI: 10.3390/pr10020410] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Artificial sweeteners are food additives worldwide used instead of fructose or glucose in many diet beverages. Furthermore, diet beverages intake has been increasing every year. Thus, some food agencies should regulate it based on toxicological studies. Debates and controversial results are demonstrated, and authority can revise its decision on the basis of new data reporting toxicological effects since cyclamate has been forbidden in some countries. Therefore, the aim of this study was to report new data about the toxicity of acesulfame-k, aspartame, and cyclamate, which are useful for authority agencies, determining the toxic potential and nutraceutical capabilities of these compounds. The toxicity, antitoxicity, genotoxicity, antigenotoxicity, and life expectancy assays were carried out in Drosophila as an in vivo model. In addition, in vitro HL-60 line cell was used to evaluate the chemopreventive activity determining the cytotoxic effect and the capability of producing DNA damage due to internucleosomal fragmentation or DNA strand breaks. Furthermore, the methylated status of these cancer cells treated with the tested compounds was assayed as a cancer therapy. Our results demonstrated that all tested compounds were neither toxic nor genotoxic, whereas these compounds resulted in antigenotoxic and cytotoxic substances, except for cyclamate. Aspartame showed antitoxic effects in Drosophila. All tested compounds decreased the quality of life of this in vivo organism model. Acesulfame-k, aspartame, and cyclamate induced DNA damage in the HL-60 cell line in the comet assay, and acesulfame-k generally increased the methylation status. In conclusion, all tested artificial sweeteners were safe compounds at assayed concentrations since toxicity and genotoxicity were not significantly induced in flies. Moreover, Aspartame and Cyclamate showed protective activity against a genotoxin in Drosophila Regarding nutraceutical potential, acesulfame-k and aspartame could be demonstrated to be chemopreventive due to the cytotoxicity activity shown by these compounds. According to DNA fragmentation and comet assays, a necrotic way could be the main mechanism of death cells induced by acesulfame-k and aspartame. Finally, Acesulfame-K hypermethylated repetitive elements, which are hypomethylated in cancer cells resulting in a benefit to humans.
Collapse
|
8
|
Li Z, Gao J, Guo Y, Cui Y, Wang Y, Duan W, Wu Z. Enhancement of antibiotic resistance dissemination by artificial sweetener acesulfame potassium: Insights from cell membrane, enzyme, energy supply and transcriptomics. JOURNAL OF HAZARDOUS MATERIALS 2022; 422:126942. [PMID: 34449343 DOI: 10.1016/j.jhazmat.2021.126942] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
The abuse of antibiotics on animals could induce the development of antibiotic resistant genes (ARGs) and antibiotic resistant bacteria (ARB), and acesulfame potassium (ACE) is the widely used artificial sweetener in animal feed. Generally speaking, ACE and ARB often coexist in livestock wastewater, however, the impact of the co-occurrence of ACE and ARB on the transmission of ARGs is still unknown. In this study, the effects of ACE on vertical gene transfer (VGT) and horizontal gene transfer (HGT) were both evaluated. For VGT, ACE may hinder the spread of sul gene in Pseudomonas HLS-6 by blocking ARB growth. As for HGT (from Escherichia coli DH5α to Pseudomonas HLS-6), environmentally relevant ACE concentration could facilitate the conjugative transfer. The underlying mechanisms of HGT were characterized by enhanced cell membrane permeability, reactive oxygen species overproduction, SOS response, energy supply, which were all further verified by the changes in transcription levels of related genes. Interestingly, intracellular Mg2+ in donor strain was found for the first time as an indicator for the conjugation occurrence in ACE treated mating system. This study may provide new insights into the role of ACE on ARGs proliferation and highlight its potential environmental impacts.
Collapse
Affiliation(s)
- Ziqiao Li
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| | - Jingfeng Gao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China.
| | - Yi Guo
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| | - Yingchao Cui
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| | - Yuwei Wang
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| | - Wanjun Duan
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| | - Zejie Wu
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China
| |
Collapse
|
9
|
Wu X, Wang LJ, Hou Y, Guo RY, Liu M, Yang L, Zhang JL. Different action mechanisms of low- and high-level quercetin in the brains of adult zebrafish (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 223:112597. [PMID: 34365213 DOI: 10.1016/j.ecoenv.2021.112597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/27/2021] [Accepted: 08/01/2021] [Indexed: 06/13/2023]
Abstract
Quercetin is reported to be beneficial to or pose hazards to the health of animals, the inconsistence remains to be recognized and debated. This work was conducted to understand the neuroprotective or neurotoxic properties of quercetin, and investigate the different action mechanisms between low- and high-level quercetin. Therefore, we evaluated brain oxidative stress and monoamine neurotransmitters in adult zebrafish (Danio rerio) after exposure to 1 and 1000 μg/L quercetin. In addition, the brain transcriptional profiles were analyzed to identify genes and pathways that were differentially regulated in the brains. The results of oxidative stress and neurotransmitters suggest that low-level quercetin might be beneficial to nervous system, while high-level quercetin might exert detrimental effects. Furthermore, transcriptional profiles also suggested different toxic mechanisms occurred between low- and high-level quercetin. At 1 μg/L quercetin, enrichment analysis of differently expressed genes (DEGs) revealed that the fanconi anemia pathway might be an important mechanism in neuroprotective effects. At 1000 μg/L quercetin, the up-regulated DEGs were enriched in many Gene Ontology (GO) terms related to neuronal synapses, indicating potential neuroprotective effects; however, enrichment of up-regulated DEGs in GO terms of response to stimulus and the MAPK signaling pathway was also found, which indicated increases of stress. Notably, at 1000 μg/L quercetin, the down-regulated DEGs were enriched in several GO terms related to the proteostasis and the proteasome pathway, indicating impairment of proteasome functions which was involved in neurodegenerative diseases. Moreover, several hub genes involved in the pathology of neurodegenerative diseases were identified by Protein-protein interaction analysis at 1000 μg/L quercetin. Thus, high-level quercetin might pose potential risk inducing neurodegenerative diseases, which should receive more attention in the future. Additionally, our findings may provide awareness to society and researchers about toxicity possibilities of phytochemicals on wildlife and human.
Collapse
Affiliation(s)
- Xia Wu
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China
| | - Li-Jun Wang
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China
| | - Yu Hou
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China
| | - Rui-Ying Guo
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China
| | - Min Liu
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Li Yang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Ji-Liang Zhang
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, Hainan, China.
| |
Collapse
|
10
|
Acesulfame K Photodegradation over Nitrogen-Doped TiO2. Catalysts 2021. [DOI: 10.3390/catal11101193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Acesulfame K is a zero-calorie alternative to sugar used worldwide. There is contradictory information on the toxicity of the compound, but its accumulation in the aquatic environment is undeniable. In this study, one-pot sol-gel synthesis was used to obtain nitrogen-doped TiO2 photocatalysts. Doping up to 6.29 wt % of nitrogen caused an increase in the surface area of the catalysts (48.55–58.23 m2∙g−1) and a reduction of the pHPZC value (5.72–5.05). Acesulfame K photodegradation was tested at the initial concentration of 20–100 ppm and the catalyst concentration at the level of 1 g∙L−1. Compared to the pure anatase, 4.83–6.29 wt % nitrogen-doped TiO2 showed an effective photodegradation of Acesulfame K. Ninety percent molecule removal was obtained after ~100 min, ~90 min, and ~80 min for initial concentrations of 20 ppm, 50 ppm, and 100 ppm, respectively. The increased activity of the catalysts is due to the modification of the TiO2 lattice structure and probably the limitation of the photogenerated electron/hole charge carrier recombination. It was shown that the electrostatic interactions between Acesulfame K and the catalyst surface play an important role in the photodegradation efficiency.
Collapse
|
11
|
Alves PDCC, Rodrigues-Silva C, Ribeiro AR, Rath S. Removal of low-calorie sweeteners at five Brazilian wastewater treatment plants and their occurrence in surface water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 289:112561. [PMID: 33865021 DOI: 10.1016/j.jenvman.2021.112561] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 04/01/2021] [Accepted: 04/04/2021] [Indexed: 06/12/2023]
Abstract
The consumption of low-calorie sweeteners (LCSs) such as acesulfame (ACE), sucralose (SUC), saccharin (SAC), cyclamate (CYC), aspartame (ASP), neotame (NEO), and stevioside (STV) is increasing worldwide to meet the demand for reduced-calorie foods and beverages. However, there are no consumption data available in Brazil, as well as their concentration in sewage and removal on wastewater treatment plants (WWTPs). In the present study, ACE, SUC, SAC, CYC, ASP, NEO, and STV were assessed at five WWTPs located in the metropolitan region of Campinas (São Paulo State, Brazil), in operation with different treatment processes. Surface water was also analyzed. Analyses were carried out by on-line solid-phase extraction ultra-high performance liquid chromatography-tandem mass spectrometry. The major points are the following: LCS concentrations in the influents ranged from 0.25 to 189 μg L-1 and followed the order CYC > ACE > SAC > SUC. NEO, ASP, and STV were not detected at any sampling site. Sweetener concentrations in the WWTP outputs differed mainly due to the different treatment setups employed. CYC and SAC were completely removed by biodegradation-based processes, while ACE removal was favored by the anaerobic-anoxic-aerobic process. SUC presented the highest concentration in the treated sewage, even at the WWTP operating with ultrafiltration membranes and therefore could be a marker compound for evaluation of the efficiency of removal of contaminants in WWTPs. Risk quotient estimation, using the PNEC and MEC values, indicated that the levels of the LCS reported here were harmless to the biota. The consumption of ACE, CYC, SAC, and SUC was estimated to be 2634 t year-1.
Collapse
Affiliation(s)
- Priscilla da Costa Cunha Alves
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
| | - Caio Rodrigues-Silva
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
| | - Alyson Rogério Ribeiro
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil; Department of Preventive Veterinary Medicine, Veterinary School, Federal University of Minas Gerais, Minas Gerais, 31270-901, Brazil.
| | - Susanne Rath
- Institute of Chemistry, Department of Analytical Chemistry, University of Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil
| |
Collapse
|
12
|
Saputra F, Lai YH, Fernandez RAT, Macabeo APG, Lai HT, Huang JC, Hsiao CD. Acute and Sub-Chronic Exposure to Artificial Sweeteners at the Highest Environmentally Relevant Concentration Induce Less Cardiovascular Physiology Alterations in Zebrafish Larvae. BIOLOGY 2021; 10:548. [PMID: 34207293 PMCID: PMC8233861 DOI: 10.3390/biology10060548] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/14/2021] [Accepted: 06/15/2021] [Indexed: 12/16/2022]
Abstract
Artificial sweeteners are widely used food ingredients in beverages and drinks to lower calorie intake which in turn helps prevent lifestyle diseases such as obesity. However, as their popularity has increased, the release of artificial sweetener to the aquatic environment has also increased at a tremendous rate. Thus, our study aims to systematically explore the potential cardiovascular physiology alterations caused by eight commercial artificial sweeteners, including acesulfame-K, alitame, aspartame, sodium cyclamate, dulcin, neotame, saccharine and sucralose, at the highest environmentally relevant concentration on cardiovascular performance using zebrafish (Danio rerio) as a model system. Embryonic zebrafish were exposed to the eight artificial sweeteners at 100 ppb and their cardiovascular performance (heart rate, ejection fraction, fractional shortening, stroke volume, cardiac output, heartbeat variability, and blood flow velocity) was measured and compared. Overall, our finding supports the safety of artificial sweetener exposure. However, several finding like a significant increase in the heart rate and heart rate variability after incubation in several artificial sweeteners are noteworthy. Biomarker testing also revealed that saccharine significantly increase the dopamine level in zebrafish larvae, which is might be the reason for the cardiac physiology changes observed after saccharine exposure.
Collapse
Affiliation(s)
- Ferry Saputra
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan;
| | - Yu-Heng Lai
- Department of Chemistry, Chinese Culture University, Taipei 11114, Taiwan;
| | - Rey Arturo T. Fernandez
- Laboratory for Organic Reactivity, Discovery and Synthesis (LORDS), Research Center for the Natural and Applied Sciences, University of Santo Tomas, Espana St., Manila 1015, Philippines; (R.A.T.F.); (A.P.G.M.)
| | - Allan Patrick G. Macabeo
- Laboratory for Organic Reactivity, Discovery and Synthesis (LORDS), Research Center for the Natural and Applied Sciences, University of Santo Tomas, Espana St., Manila 1015, Philippines; (R.A.T.F.); (A.P.G.M.)
| | - Hong-Thih Lai
- Department of Aquatic Biosciences, National Chiayi University, Chiayi 600355, Taiwan
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung 90003, Taiwan
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan 320314, Taiwan;
- Center for Nanotechnology, Chung Yuan Christian University, Taoyuan 320314, Taiwan
- Research Center for Aquatic Toxicology and Pharmacology, Chung Yuan Christian University, Taoyuan 320314, Taiwan
| |
Collapse
|
13
|
Chow CH, Law JCF, Leung KSY. Degradation of acesulfame in UV/monochloramine process: Kinetics, transformation pathways and toxicity assessment. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123935. [PMID: 33264984 DOI: 10.1016/j.jhazmat.2020.123935] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/31/2020] [Accepted: 09/02/2020] [Indexed: 06/12/2023]
Abstract
UV/monochloramine (UV/NH2Cl) is an emerging advanced oxidation process that can generate various reactive species like reactive chlorine species (RCS) and hydroxyl radicals for micropollutant removal. This study investigated the potential toxicity of transformation products resulting from UV/NH2Cl treatment of acesulfame (ACE), as an example of micropollutant, found in worldwide aquatic environment. Compared with UV photolysis and chloramination, the UV/NH2Cl process more effectively degraded ACE. The transformation products of ACE treated with the UV/NH2Cl process were identified and characterized with high resolution mass spectrometry. The formation of chlorinated-TPs indicated the role of RCS in UV/NH2Cl transformation even though UV photolysis was predominantly responsible for the ACE degradation. The Vibrio fischeri bioluminescence inhibition assay revealed a higher toxicity of TPs derived from UV/NH2Cl than from UV photolysis. The increased toxicity could be attributed to most of the generated chlorinated-TPs (Cl-TPs), in particular those halo-alcohols. The ECOSAR program predicts that halo-alcohol TPs are more toxic than their non-chlorinated analogues and other Cl-TPs. This study provides insight into the important role of reactive species in the micropollutants' transformation of UV/NH2Cl process. It further provides information relevant to the potential risk when applying the process for micropollutant removal in water treatment.
Collapse
Affiliation(s)
- Chi-Hang Chow
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Japhet Cheuk-Fung Law
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Kelvin Sze-Yin Leung
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region; HKBU Institute of Research and Continuing Education, Shenzhen Virtual University Park, Shenzhen, China.
| |
Collapse
|
14
|
Zhang H, Deng H, Wang Y. Comprehensive investigations about the binding interaction of acesulfame with human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 237:118410. [PMID: 32361316 DOI: 10.1016/j.saa.2020.118410] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
In this work, the binding interaction of an artificial sweetener, acesulfame (ACS) with human serum albumin (HSA) are investigated at the molecular level by using spectral methods and molecular modeling. ACS has the ability to induce static quenching of the intrinsic fluorescence of HSA by a complex formed between HSA and ACS through weak multi-noncovalent forces including hydrophobic, hydrogen bond and van der Waals forces. ACS enters subdomain IIA of HSA to induce the tertiary structure changes of HSA and decreased the hydrophobicity of protein. In addition, ACS binding does not obviously alter the secondary structure of HSA. This study is hoped to provide some crucial information for further investigations of the biosafety of sweetener.
Collapse
Affiliation(s)
- Hongmei Zhang
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China
| | - Hao Deng
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China
| | - Yanqing Wang
- School of Chemical and Environmental Engineering, Yancheng Teachers University, Yancheng City, Jiangsu Province 224002, People's Republic of China.
| |
Collapse
|
15
|
Lin Y, Rivera MS, Jiang T, Li G, Cotto I, Vosloo S, Carpenter CM, Larese-Casanova P, Giese RW, Helbling DE, Padilla IY, Rosario-Pabón Z, Vega CV, Cordero JF, Alshawabkeh AN, Pinto A, Gu AZ. Impact of Hurricane Maria on Drinking Water Quality in Puerto Rico. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:9495-9509. [PMID: 32640159 PMCID: PMC7837318 DOI: 10.1021/acs.est.0c01655] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
This study performed a comprehensive assessment of the impact of Hurricane Maria (HM) on drinking water quality in Puerto Rico (PR) by integrating targeted chemical analysis of both inorganic (18 trace elements) and organic trace pollutants (200 micropollutants) with high-throughput quantitative toxicogenomics and in vitro biomarkers-based toxicity assays. Average concentrations of 14 detected trace elements and 20 organic micropollutants showed elevation after HM. Arsenic, sucralose, perfluorooctanoic acid (PFOA), atrazine-2-hydroxy, benzotriazole, acesulfame, and prometon were at significantly (p < 0.05) higher levels in the post-HM than in the pre-HM samples. Thirteen micropollutants, including four pesticides, were only detected in posthurricane samples. Spatial comparison showed higher pollutant and toxicity levels in the samples from northern PR (where eight Superfund sites are located) than in those from southern PR. Distinctive pathway-specific molecular toxicity fingerprints for water extracts before and after HM and at different locations revealed changes in toxicity nature that likely resulted from the impact of HM on drinking water composition. Correlation analysis and Maximum Cumulative Ratio assessment suggested that metals (i.e., arsenic) and PFOA were the top ranked pollutants that have the potential to cause increased risk after HM, providing a possible direction for future water resource management and epidemiological studies.
Collapse
Affiliation(s)
- Yishan Lin
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY
| | | | - Tao Jiang
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | - Guangyu Li
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | - Irmarie Cotto
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | - Solize Vosloo
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | | | | | - Roger W. Giese
- Department of Pharmaceutical Sciences, Northeastern University, Boston, MA
| | - Damian E. Helbling
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY
| | - Ingrid Y. Padilla
- Department of Civil Engineering and Surveying, University of Puerto Rico, Mayagüez, PR
| | | | | | - José F. Cordero
- Department of Epidemiology and Biostatistics, University of Georgia, Athens, GA, USA
| | - Akram N. Alshawabkeh
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | - Ameet Pinto
- Department of Civil and Environmental Engineering, Northeastern University, Boston, MA
| | - April Z. Gu
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY
| |
Collapse
|
16
|
Belton K, Schaefer E, Guiney PD. A Review of the Environmental Fate and Effects of Acesulfame-Potassium. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2020; 16:421-437. [PMID: 32065497 PMCID: PMC7318193 DOI: 10.1002/ieam.4248] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/12/2019] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
The use of low and no calorie sweeteners (LNCSs) has increased substantially the past several decades. Their high solubility in water, low absorption to soils, and reliable analytical methods facilitate their detection in wastewater and surface waters. Low and no calorie sweeteners are widely used in food and beverage products around the world, have been approved as food additives, and are considered safe for human consumption by the United States Food and Drug Administration (USFDA) and other regulatory authorities. Concerns have been raised, however, regarding their growing presence and potential aquatic toxicity. Recent studies have provided new empirical environmental monitoring, environmental fate, and ecotoxicity on acesulfame potassium (ACE-K). Acesulfame potassium is an important high-production LNCS, widely detected in the environment and generally reported to be environmentally persistent. Acesulfame-potassium was selected for this environmental fate and effects review to determine its comparative risk to aquatic organisms. The biodegradation of ACE-K is predicted to be low, based on available quantitative structure-activity relationship (QSAR) models, and this has been confirmed by several investigations, mostly published prior to 2014. More recently, there appears to be an interesting paradigm shift with several reports of the enhanced ability of wastewater treatment plants to biodegrade ACE-K. Some studies report that ACE-K can be photodegraded into potentially toxic breakdown products, whereas other data indicate that this may not be the case. A robust set of acute and chronic ecotoxicity studies in fish, invertebrates, and freshwater plants provided critical data on ACE-K's aquatic toxicity. Acesulfame-potassium concentrations in wastewater and surface water are generally in the lower parts per billion (ppb) range, whereas concentrations in sludge and groundwater are much lower (parts per trillion [ppt]). This preliminary environmental risk assessment establishes that ACE-K has high margins of safety (MOSs) and presents a negligible risk to the aquatic environment based on a collation of extensive ACE-K environmental monitoring, conservative predicted environmental concentration (PEC) and predicted no-effect concentration (PNEC) estimates, and prudent probabilistic exposure modeling. Integr Environ Assess Manag 2020;16:421-437. © 2020 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals, Inc. on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
Collapse
Affiliation(s)
- Kerry Belton
- Grocery Manufacturers AssociationArlingtonVirginiaUSA
| | | | | |
Collapse
|
17
|
Lack of potential carcinogenicity for acesulfame potassium - Systematic evaluation and integration of mechanistic data into the totality of the evidence. Food Chem Toxicol 2020; 141:111375. [PMID: 32360221 DOI: 10.1016/j.fct.2020.111375] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/13/2020] [Accepted: 04/17/2020] [Indexed: 01/19/2023]
Abstract
The safety of low- and no-calorie sweeteners remains a topic of general interest. Substantial evidence exists demonstrating a lack of carcinogenicity of the no-calorie sweetener acesulfame potassium (Ace K). The objective of this evaluation was to conduct a systematic assessment of available mechanistic data using a framework that quantitatively integrates proposed key characteristics of carcinogens (KCCs) into the totality of the evidence. Over 800 KCC-relevant endpoints from a variety of in vitro and in vivo assays were assessed for quality, relevance, and activity, and integrated to determine the overall strength of the evidence for plausibility that Ace K acts through the KCC. Overall, there was a lack of activity across the KCCs (overall integrated score <0 and no "strong" categorization for evidence of activity) in which data were identified. Together with the absence of treatment-related tumor effects in rodent bioassays, these results support the conclusion that Ace K is unlikely to induce a carcinogenic response. This assessment employed a weight of the evidence analysis that includes the consideration of factors such as reliability, strength of the model system, activity, and dose in a complex and heterogeneous dataset, and the ultimate integration of multiple data streams in the cancer hazard evaluation.
Collapse
|
18
|
Two novel mixed-ligand zinc-acesulfame compounds: Synthesis, spectroscopic and thermal characterization and biological applications. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127265] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
19
|
Dong G, Li X, Han G, Du L, Li M. Zebrafish neuro-behavioral profiles altered by acesulfame (ACE) within the range of "no observed effect concentrations (NOECs)". CHEMOSPHERE 2020; 243:125431. [PMID: 31995882 DOI: 10.1016/j.chemosphere.2019.125431] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 11/08/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
Recently, artificial sweeteners have received widespread attention as the emerging environmental pollutants, among which, acesulfame (ACE) is ubiquitously present and extremely persistent in the ecosystem. Although the environmental behavior of ACE has already been well studied, its chronic eco-toxicological effects on aquatic organisms are rarely reported. Thus, more researches should be performed to determine the concentration which exerted the observable toxicological effect. Herein, we examined neuro-behavioral effects of ACE at 1, 10 and 100 mg/L on adult zebrafish via performing the behavioral test batteries including light/dark preference test, novel tank diving test, novel object exploration test, social preference test and colour-enhanced CPP test. In addition, in order to fully phenotype the behavioral alteration induced by ACE, we applied the techniques deriving from behavioral phenomics to analyze and interpret the big data from a large number of behavioral variables. Furthermore, the alterations of neurotransmitter in brain were also assayed to confirm the behavioral results. We found that ACE within the concentration range of No Observed Effect Concentrations (NOECs) had remarkably altered the neuro-behavioral profiles: altered the preference for light/dark, reduced the exploration ability of zebrafish in the novel tank and novel object exploration test, affected the group preference of zebrafish, changed the colour preference, learning and memory ability of zebrafish and disturbed the quantitative patterns of neurotransmitter in brain. As a result, this research can offer a reference for readjusting the NOECs of ACE and assessing neurotoxicity of artificial sweeteners.
Collapse
Affiliation(s)
- Gaopan Dong
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, Jinan, Shandong, 250012, China
| | - Xiang Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, Jinan, Shandong, 250012, China
| | - Guangxi Han
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, Jinan, Shandong, 250012, China
| | - Lupei Du
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, Jinan, Shandong, 250012, China
| | - Minyong Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmacy, Shandong University, Jinan, Shandong, 250012, China.
| |
Collapse
|
20
|
Chow CH, Sze-Yin Leung K. Transformations of organic micropollutants undergoing permanganate/bisulfite treatment: Kinetics, pathways and toxicity. CHEMOSPHERE 2019; 237:124524. [PMID: 31549647 DOI: 10.1016/j.chemosphere.2019.124524] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 07/28/2019] [Accepted: 08/04/2019] [Indexed: 06/10/2023]
Abstract
Permanganate/bisulfite (PM/BS) is a relatively new advanced oxidation process that can degrade organic micropollutants at extraordinary high rates. In this study, the degradability of PM/BS process towards different representative types of compounds was studied by investigating the kinetics, reaction site specificity and transformation chemistry. Acesulfame (ACE) and carbamazepine (CBZ) were two typical compounds containing olefinic moieties. Sucralose (SUC) was selected as a reference compound, and it is without aromatic and olefinic moieties. The kinetics results indicated that ACE and CBZ were effectively degraded while SUC was not. Preferred reaction sites of Mn3+ species was elucidated by identification of the ACE-transformation products (TPs) and CBZ-TPs with UHPLC-QTOF-MS. Seventeen ACE-TPs including two new compounds and eleven CBZ-TPs produced during the PM/BS process were identified and characterized. Transformation pathways revealed that cleavage of olefinic double bonds was the main reaction mechanism. Chemical structures containing electron-donating groups preferentially reacted with electrophilic Mn3+ species during the process. In addition, transformation products of ACE and CBZ during PM/BS process did not induce higher toxicity. This study provides a preliminary interpretation on the selectivity of PM/BS process according to the micropollutants' chemical structures, which hope to shed light on the future development of PM/BS treatment.
Collapse
Affiliation(s)
- Chi-Hang Chow
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region
| | - Kelvin Sze-Yin Leung
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region; HKBU Institute of Research and Continuing Education, Shenzhen Virtual University Park, Shenzhen, China.
| |
Collapse
|
21
|
Abstract
Rivers are important ecosystems under continuous anthropogenic stresses. The hyporheic zone is a ubiquitous, reactive interface between the main channel and its surrounding sediments along the river network. We elaborate on the main physical, biological, and biogeochemical drivers and processes within the hyporheic zone that have been studied by multiple scientific disciplines for almost half a century. These previous efforts have shown that the hyporheic zone is a modulator for most metabolic stream processes and serves as a refuge and habitat for a diverse range of aquatic organisms. It also exerts a major control on river water quality by increasing the contact time with reactive environments, which in turn results in retention and transformation of nutrients, trace organic compounds, fine suspended particles, and microplastics, among others. The paper showcases the critical importance of hyporheic zones, both from a scientific and an applied perspective, and their role in ecosystem services to answer the question of the manuscript title. It identifies major research gaps in our understanding of hyporheic processes. In conclusion, we highlight the potential of hyporheic restoration to efficiently manage and reactivate ecosystem functions and services in river corridors.
Collapse
|
22
|
Chow CH, Leung KSY. Removing acesulfame with the peroxone process: Transformation products, pathways and toxicity. CHEMOSPHERE 2019; 221:647-655. [PMID: 30665093 DOI: 10.1016/j.chemosphere.2019.01.082] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 01/07/2019] [Accepted: 01/11/2019] [Indexed: 06/09/2023]
Abstract
Emerging contaminants (ECs) are receiving considerable attention because of their widespread occurrence, persistence and potential threat to the environment, wildlife and humans. Acesulfame (ACE), an extensively used artificial sweetener, is the most worrisome example of ECs. The photolysis/photocatalysis, chlorination and/or permanganate oxidation of ACE produces transformation products (TPs) that are more persistent and toxic than precursors. Thus, an alternative treatment method to treat ACE is required; oxidation by the peroxone process could be that method and was systematically investigated, as reported here. During the peroxone process, ACE degradation followed pseudo-first-order kinetics, with a rate that was significantly higher than after conventional ozonation. The hydroxyl radical was the major reactive species. Amount of hydrogen peroxide (H2O2) used, pH and type of water matrix showed significant influence on ACE degradation. Fifteen TPs in ultrapure water extracts, including four newly reported compounds, were identified and characterized by high resolution mass spectrometry (HR-MS) based on accurate mass measurements and MS/MS fragmentation. The reduced toxicity compared to other reported treatments of ACE was likely due to different transformation pathways and TPs generated. The peroxone process therefore appears to be one viable choice for safe removal of ACE.
Collapse
Affiliation(s)
- Chi-Hang Chow
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong
| | - Kelvin Sze-Yin Leung
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong; HKBU Institute of Research and Continuing Education, Shenzhen Virtual University Park, Shenzhen, China; School of Environment, Guangzhou Key Laboratory of Environmental Exposure and Health, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, 510632, China.
| |
Collapse
|