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Li X, Liu YJ, Wang Y, Liu YF, Xu YJ. Epoxy Triglyceride Enhances Intestinal Permeability via Caspase-1/NLRP3/GSDMD and cGAS-STING Pathways in Dextran Sulfate Sodium-Induced Colitis Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:4371-4381. [PMID: 36857113 DOI: 10.1021/acs.jafc.2c08134] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Oxidized triglyceride monomers are the main cytotoxic products of deep-frying oil. However, its impact on the intestinal barrier, the first health guardian, remains unknown. In this study, HPLC-MS/MS analysis revealed that the epoxy group is the main oxidation product, indicating that it may be the main cytotoxic factor. Therefore, 1-9,10-epoxystearic ester, 2,3-dioleic acid (EGT) and glycerol trioleate (GT) were used to reveal the effect of the epoxy group on the intestinal barrier of dextran sulfate sodium-induced colitis. Characteristics analysis showed that EGT could aggravate intestinal damage. The relative mRNA expression analysis suggested that EGT could activate Caspase-1/NLRP3/GSDMD, thereby inducing pyroptosis. The proinflammatory cytokines activated by pyroptosis and the cGAS-STING pathway were released through the pores, thus inducing the disintegration of the tight junction between the intestinal epithelial cells and enhancing intestinal permeability. Metabonomics further confirmed that EGT can change the composition and content of phospholipids on the cell membrane, indicating the morphological changes of the intestinal epithelial cell membrane. In conclusion, this study highlights that EGT induced intestinal dysfunction via Caspase-1/NLRP3/GSDMD and cGAS-STING pathways.
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Affiliation(s)
- Xue Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yan-Jun Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yu Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yuan-Fa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
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2
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Zhao L, Duan X, Liu H. Novel Grade Classification Tool with Lipidomics for Indica Rice Eating Quality Evaluation. Foods 2023; 12:foods12050944. [PMID: 36900461 PMCID: PMC10000924 DOI: 10.3390/foods12050944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 02/25/2023] Open
Abstract
The eating quality evaluation of rice is raising further concerns among researchers and consumers. This research is aimed to apply lipidomics in determining the distinction between different grades of indica rice and establishing effective models for rice quality evaluation. Herein, a high-throughput ultrahigh-performance liquid chromatography coupled with quadrupole time-of-flight (UPLC-QTOF/MS) method for comprehensive lipidomics profiling of rice was developed. Then, a total of 42 significantly different lipids among 3 sensory levels were identified and quantified for indica rice. The orthogonal partial least-squares discriminant analysis (OPLS-DA) models with the two sets of differential lipids showed clear distinction among three grades of indica rice. A correlation coefficient of 0.917 was obtained between the practical and model-predicted tasting scores of indica rice. Random forest (RF) results further verified the OPLS-DA model, and the accuracy of this method for grade prediction was 90.20%. Thus, this established approach was an efficient method for the eating grade prediction of indica rice.
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Affiliation(s)
- Luyao Zhao
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
- Correspondence:
| | - Xiaoliang Duan
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Hongbin Liu
- China Animal Disease Control Center, Beijing 100020, China
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3
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Li X, Xing C, Wang Z, Chen Z, Sun W, Xie D, Xu G, Wang X. Validity of total polar compound and its three components in monitoring the evolution of epoxy fatty acids in frying oil: fast food restaurant conditions. Food Chem 2022; 405:134945. [DOI: 10.1016/j.foodchem.2022.134945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/26/2022] [Accepted: 11/09/2022] [Indexed: 11/14/2022]
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4
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Wang Y, Cao X, Shi J, Li X, Liu Y, Xu YJ. Tracking the dynamics of epoxy triglycerides during thermal oxidation by liquid chromatography-mass spectrometry. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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5
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Li X, Nian BB, Tan CP, Liu YF, Xu YJ. Deep-frying oil induces cytotoxicity, inflammation and apoptosis on intestinal epithelial cells. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3160-3168. [PMID: 34786719 DOI: 10.1002/jsfa.11659] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 10/05/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Deep-frying oil has been found to cause inflammatory bowel disease (IBD). However, the molecular mechanism of the effect of deep-frying palm oil on IBD still remains undetermined. RESULTS In the present study, bioinformatics and cell biology were used to investigate the functions and signal pathway enrichments of differentially expressed genes. The bioinformatics analysis of three original microarray datasets (GSE73661, GSE75214 and GSE126124) in the NCBI-Gene Expression Omnibus database showed 17 down-regulated genes (logFC < 0) and 2 up-regulated genes (logFC > 0) existed in the enteritis tissue. Meanwhile, pathway enrichment and protein-protein interaction network analysis suggested that IBD is relevant to cytotoxicity, inflammation and apoptosis. Furthermore, Caco-2 cells were treated with the main oxidation products of deep-frying oil-total polar compounds (TPC) and its components (polymerized triglyceride, oxidized triglycerides and triglyceride degradation products) isolated from deep-frying oil. The flow cytometry experiment revealed that TPC and its components could induce apoptosis, especially for oxidized triglyceride. A quantitative polymerase chain reaction analysis demonstrated that TPC and its component could induce Caco-2 cell apoptosis through AQP8/CXCL1/TNIP3/IL-1. CONCLUSION The present study provides fundamental knowledge for understanding the effects of deep-frying oils on the cytotoxic and inflammatory of Caco-2 cells, in addition to clarifying the molecular function mechanism of deep-frying oil in IBD. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Xue Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, China
| | - Bin-Bin Nian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, China
| | - Chin-Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, University Putra Malaysia, Seri Kembangan, Malaysia
| | - Yuan-Fa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, China
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, China
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6
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Cao X, Li X, Shu N, Tan CP, Xu YJ, Liu Y. The Characteristics and Analysis of Polar Compounds in Deep-Frying Oil: a Mini Review. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02335-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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7
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Li X, Liu Y, Nian B, Cao X, Liu Y, Xu Y. Influence of polar compounds distribution in deep‐frying oil on lipid digestion behaviour. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xue Li
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Yan‐jun Liu
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Bin‐bin Nian
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Xin‐yu Cao
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Yuan‐fa Liu
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
| | - Yong‐jiang Xu
- State Key Laboratory of Food Science and Technology School of Food Science and Technology National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology Collaborative Innovation Center of Food Safety and Quality Control Jiangnan University 1800 Lihu Road Wuxi Jiangsu 214122 China
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8
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Li X, Liu YJ, Nian BB, Cao XY, Tan CP, Liu YF, Xu YJ. Molecular dynamics revealed the effect of epoxy group on triglyceride digestion. Food Chem 2021; 373:131285. [PMID: 34740049 DOI: 10.1016/j.foodchem.2021.131285] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/07/2021] [Accepted: 09/29/2021] [Indexed: 12/26/2022]
Abstract
The digestion behavior of epoxy triglyceride, the main cytotoxic product of deep-frying oil, remains unknown, which may affect its biosafety. In this study, epoxy triglyceride (EGT) and triglyceride (GT) were used to reveal the effect of epoxy group on digestion. Digestibility rate analysis showed that the free fatty acids release rate of EGT was slower. To clarify this phenomenon, binding ability with salt ions in digestive juice and particle size were also been studied. Cluster size analysis indicated that epoxy group increased triglyceride particle size, resulting in smaller contact area between EGT and lipase. Interface behaviors displayed EGT decreased binding ability with salt ions in digestive juice. Spectroscopic analysis showed EGT caused the red shift of lipase peak, indicating that epoxy group changed lipase structure. Molecular dynamics simulation suggested EGT leads to loosen lipase structure. In conclusion, this study highlights that epoxy group could weaken the triglyceride digestion.
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Affiliation(s)
- Xue Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Yan-Jun Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Bin-Bin Nian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Xin-Yu Cao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China
| | - Chin-Ping Tan
- Department of Food Technology, Faculty of Food Science and Technology, University Putra Malaysia, Selangor 410500, Malaysia
| | - Yuan-Fa Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
| | - Yong-Jiang Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu 214122, China.
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9
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Liu Y, Li J, Liu Y. Effects of epoxy stearic acid on lipid metabolism in HepG2 cells. J Food Sci 2020; 85:3644-3652. [PMID: 32885409 DOI: 10.1111/1750-3841.15405] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/29/2020] [Accepted: 07/10/2020] [Indexed: 01/09/2023]
Abstract
In the present study, effects of cis-9,10-epoxystearic acid (ESA) generated by the thermal oxidation of oleic acid on HepG2 cells, including intracellular lipid accumulation, fatty acid composition, and lipid metabolism, were investigated. Our results revealed that ESA increased the number and size of cellular lipid droplets. Intracellular triacylglycerol and total cholesterol content demonstrated that ESA induced lipid accumulation in HepG2 cells in a dose- and time-dependent manner. Results of fatty acid composition further indicated that ESA could lead to intracellular lipid accumulation. Our results also revealed that ESA may suppress the fatty acid oxidation in peroxisomes and mitochondria, including PPARα, Cpt1α, and Acox1, whereas the expression of genes involved in lipid synthesis, including Srebp-1c and Scd1, was enhanced. These findings provide critical information on the effects of ESA on HepG2 cells, particularly lipid accumulation and metabolism, which is important for evaluating the biosafety of the oxidative product of oleic acid. PRACTICAL APPLICATION: The administration of cis-9,10-epoxystearic acid to HepG2 cells could lead to disorder of lipid metabolism of cells by enhancing the intracellular lipid content, as well as suppressing the fatty acid oxidation in peroxisomes and mitochondria. These findings could provide information for the evaluation of the biosafety of the oxidative product of oleic acid.
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Affiliation(s)
- Ying Liu
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, People's Republic of China
| | - Jinwei Li
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, People's Republic of China
| | - Yuanfa Liu
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu Province, 214122, People's Republic of China
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10
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Liu Y, Li J, Cheng Y, Liu Y. Volatile components of deep-fried soybean oil as indicator indices of lipid oxidation and quality degradation. Eur Food Res Technol 2020. [DOI: 10.1007/s00217-020-03475-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Influence of carbohydrate- and protein-based foods on the formation of polar lipid fraction during deep-frying. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106781] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Liu Y, Li J, Cheng Y, Liu Y. Effect of frying oils’ fatty acid profile on quality, free radical and volatiles over deep-frying process: A comparative study using chemometrics. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.033] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Liu Y, Cheng Y, Li J, Wang Y, Liu Y. Epoxy Stearic Acid, an Oxidative Product Derived from Oleic Acid, Induces Cytotoxicity, Oxidative Stress, and Apoptosis in HepG2 Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:5237-5246. [PMID: 29730927 DOI: 10.1021/acs.jafc.8b01954] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In the present study, effects of cis-9,10-epoxy stearic acid (ESA) generated by the thermal oxidation of oleic acid on HepG2 cells, including cytotoxicity, apoptosis, and oxidative stress, were investigated. Our results revealed that ESA decreased the cell viability and induced cell death. Cell cycle analysis with propidium iodide staining showed that ESA induced cell cycle arrest at the G0/G1 phase in HepG2 cells. Cell apoptosis analysis with annexin V and propidium iodide staining demonstrated that ESA induced HepG2 cell apoptotic events in a dose- and time-dependent manner; the apoptosis of cells after treated with 500 μM ESA for 12, 24, and 48 h was 32.16, 38.70, and 65.80%, respectively. Furthermore, ESA treatment to HepG2 cells resulted in an increase in reactive oxygen species and malondialdehyde (from 0.84 ± 0.02 to 8.90 ± 0.50 nmol/mg of protein) levels and a reduction in antioxidant enzyme activity, including superoxide dismutase (from 1.34 ± 0.27 to 0.10 ± 0.007 units/mg of protein), catalase (from 100.04 ± 5.05 to 20.09 ± 3.00 units/mg of protein), and glutathione peroxidase (from 120.44 ± 7.62 to 35.84 ± 5.99 milliunits/mg of protein). These findings provide critical information on the effects of ESA on HepG2 cells, particularly cytotoxicity and oxidative stress, which is important for the evaluation of the biosafety of the oxidative product of oleic acid.
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Affiliation(s)
- Ying Liu
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Yajun Cheng
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Jinwei Li
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Yuanpeng Wang
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
| | - Yuanfa Liu
- School of Food Science and Technology, Synergetic Innovation Center of Food Safety and Nutrition , Jiangnan University , 1800 Lihu Avenue , Wuxi , Jiangsu 214122 , People's Republic of China
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