1
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Shi WT, Yao CP, Liu WH, Cao WY, Shao W, Liao SQ, Yu T, Zhu QF, Chen Z, Zang YJ, Farooq M, Wei WK, Zhang XA. An fusaric acid-based CRISPR library screen identifies MDH2 as a broad-spectrum regulator of Fusarium toxin-induced cell death. JOURNAL OF HAZARDOUS MATERIALS 2024; 480:135937. [PMID: 39342847 DOI: 10.1016/j.jhazmat.2024.135937] [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: 07/13/2024] [Revised: 09/13/2024] [Accepted: 09/21/2024] [Indexed: 10/01/2024]
Abstract
Fusarium mycotoxins are of great concern because they are the most common food-borne mycotoxins and environmental contaminants worldwide. Fusaric acid (FA), Deoxynivalenol (DON), Zearalenone (ZEA), T-2 toxin (T-2), and Fumonisin B1 (FB1) are important Fusarium toxins contaminating feeds and food and can cause serious health problems. FA can synergize with some other Fusarium toxins to enhance overall toxicity. However, the underlying molecular mechanism remains poorly understood. In this study, our CRISPR screening revealed Malate dehydrogenase 2 (MDH2) and Pyruvate dehydrogenase E1 subunit beta (PDHB) are the key genes for FA-induced cell death. Pathways associated with mitochondrial function, notably the TCA cycle, play a significant role in FA cytotoxicity. We found that MDH2 and PDHB depletion reduced FA-induced cell death, ROS accumulation, and the expression of caspase-3 and HIF-1α. The cell viability assays and flow cytometry demonstrated that MDH2 knockout but not PDHB decreased DON, ZEA, T-2, and FB1-induced cytotoxicity, apoptosis, and ROS accumulation. MDH2 inhibitor LW6 also decreased DON, ZEA, T-2, and FB1-induced toxicity. This suggested that MDH2, but not PDHB, is a common regulator of broad-spectrum Fusarium toxin (FA, DON, ZEA, T-2, and FB1)-induced cell death. Our work provides new avenues for the treatment of Fusarium toxin toxicity.
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Affiliation(s)
- Wei-Tao Shi
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China; Xinjiang Agricultural University, College of Animal Science, Urumqi 830052, PR China
| | - Chun-Peng Yao
- Vegetable Research Institute of Guangdong Academy of Agricultural Sciences, Guangdong Key Laboratory for New Technology Research of Vegetables, Guangzhou 510640, PR China
| | - Wen-Hua Liu
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Wan-Yi Cao
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Wei Shao
- Xinjiang Agricultural University, College of Animal Science, Urumqi 830052, PR China
| | - Shen-Quan Liao
- Institute of Animal Health, Guangdong Academy of Agricultural Sciences, 510640, PR China
| | - Ting Yu
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Qing-Feng Zhu
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Zhuang Chen
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Ying-Jie Zang
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Muhammad Farooq
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China
| | - Wen-Kang Wei
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China.
| | - Xiao-Ai Zhang
- Agro-biological Gene Research Center of Guangdong Academy of Agricultural Sciences, State Key Laboratory of Swine and Poultry Breeding Industry, Guangzhou 510640, PR China.
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Chen X, Wei C, Zhao J, Zhou D, Wang Y, Zhang S, Zuo H, Dong J, Zhao Z, Hao M, He X, Bian Y. Carnosic acid: an effective phenolic diterpenoid for prevention and management of cancers via targeting multiple signaling pathways. Pharmacol Res 2024; 206:107288. [PMID: 38977208 DOI: 10.1016/j.phrs.2024.107288] [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: 05/06/2024] [Revised: 06/28/2024] [Accepted: 06/28/2024] [Indexed: 07/10/2024]
Abstract
Cancer is a serious global public health issue, and a great deal of research has been made to treat cancer. Of these, discovery of promising compounds that effectively fight cancer always has been the main point of interest in pharmaceutical research. Carnosic acid (CA) is a phenolic diterpenoid compound widely present in Lamiaceae plants such as Rosemary (Rosmarinus officinalis L.). In recent years, there has been increasing evidence that CA has significant anti-cancer activity, such as leukaemia, colorectal cancer, breast cancer, lung cancer, liver cancer, pancreatic cancer, stomach cancer, lymphoma, prostate cancer, oral cancer, etc. The potential mechanisms involved by CA, including inhibiting cell proliferation, inhibiting metastasis, inducing cell apoptosis, stimulating autophagy, regulating the immune system, reducing inflammation, regulating the gut microbiota, and enhancing the effects of other anti-cancer drugs. This article reviews the biosynthesis, pharmacokinetics and metabolism, safety and toxicity, as well as the molecular mechanisms and signaling pathways of the anticancer activity of CA. This will contribute to the development of CA or CA-containing functional foods for the prevention and treatment of cancer, providing important advances in the advancement of cancer treatment strategies.
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Affiliation(s)
- Xufei Chen
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Cuntao Wei
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Juanjuan Zhao
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Dandan Zhou
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yue Wang
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Shengxiang Zhang
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Haiyue Zuo
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jianhui Dong
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Zeyuan Zhao
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Man Hao
- Clinical Medical College of Acuupuncture Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China; Department of Ortho and MSK Science, University College London, London WC1E 6BT, UK.
| | - Xirui He
- School of Bioengineering, Zhuhai Campus, Zunyi Medical University, Zhuhai, Guangdong 519041, China; UCL School of Pharmacy, Pharmacognosy & Phytotherapy, University College London, London WC1E 6BT, UK.
| | - Yangyang Bian
- Key Laboratory of Resource Biology and Modern Biotechnology in Western China, College of Life Science, Northwest University, Xi'an, Shaanxi 710069, China.
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Iqbal N, Czékus Z, Ördög A, Poór P. Fusaric acid-evoked oxidative stress affects plant defence system by inducing biochemical changes at subcellular level. PLANT CELL REPORTS 2023; 43:2. [PMID: 38108938 PMCID: PMC10728271 DOI: 10.1007/s00299-023-03084-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 11/05/2023] [Indexed: 12/19/2023]
Abstract
Fusaric acid (FA) is one of the most harmful phytotoxins produced in various plant-pathogen interactions. Fusarium species produce FA as a secondary metabolite, which can infect many agronomic crops at all stages of development from seed to fruit, and FA production can further compromise plant survival because of its phytotoxic effects. FA exposure in plant species adversely affects plant growth, development and crop yield. FA exposure in plants leads to the generation of reactive oxygen species (ROS), which cause cellular damage and ultimately cell death. Therefore, FA-induced ROS accumulation in plants has been a topic of interest for many researchers to understand the plant-pathogen interactions and plant defence responses. In this study, we reviewed the FA-mediated oxidative stress and ROS-induced defence responses of antioxidants, as well as hormonal signalling in plants. The effects of FA phytotoxicity on lipid peroxidation, physiological changes and ultrastructural changes at cellular and subcellular levels were reported. Additionally, DNA damage, cell death and adverse effects on photosynthesis have been explained. Some possible approaches to overcome the harmful effects of FA in plants were also discussed. It is concluded that FA-induced ROS affect the enzymatic and non-enzymatic antioxidant system regulated by phytohormones. The effects of FA are also associated with other photosynthetic, ultrastructural and genotoxic modifications in plants.
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Affiliation(s)
- Nadeem Iqbal
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, Szeged, 6726, Hungary
- Doctoral School of Environmental Sciences, University of Szeged, Szeged, Hungary
| | - Zalán Czékus
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, Szeged, 6726, Hungary
- Doctoral School of Biology, University of Szeged, Szeged, Hungary
| | - Attila Ördög
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, Szeged, 6726, Hungary
| | - Péter Poór
- Department of Plant Biology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, Szeged, 6726, Hungary.
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4
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Zhang J, Yuan H, Li W, Chen S, Liu S, Li C, Yao X. Fusaric acid inhibits proliferation and induces apoptosis through triggering endoplasmic reticulum stress in MCF-7 human breast cancer cells. Mycotoxin Res 2023; 39:347-364. [PMID: 37400696 DOI: 10.1007/s12550-023-00497-z] [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: 03/17/2023] [Revised: 06/17/2023] [Accepted: 06/20/2023] [Indexed: 07/05/2023]
Abstract
Breast cancer has replaced lung cancer to be the leading cancer in the world. Currently, chemotherapy is still the major method for breast cancer therapy, but its overall effect remains unsatisfactory. Fusaric acid (FSA), a mycotoxin derived from fusarium species, has shown potency against the proliferation of several types of cancer cells, but its effect on breast cancer cells has not been examined. Therefore, we explored the possible effect of FSA on the proliferation of MCF-7 human breast cancer cells and uncovered the underlying mechanism in the present study. Our results showed that FSA has a strong anti-proliferative effect on MCF-7 cells through inducing ROS production, apoptosis and arresting cell cycle at G2/M transition phase. Additionally, FSA triggers endoplasmic reticulum (ER) stress in the cells. Notably, the cell cycle arrest and apoptosis inducing effect of FSA can be attenuated by ER stress inhibitor, tauroursodeoxycholic acid. Our study provide evidence that FSA is a potent proliferation inhibition and apoptosis inducing agent against human breast cancer cells, and the possible mechanism involves the activation of ER stress signaling pathways. Our study may highlight that FSA is promising for the future in vivo study and development of potential agent for breast cancer therapy.
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Affiliation(s)
- Jun Zhang
- School of Biomedical Sciences, Li Ka Shing Institute of Health Science, the Chinese University of Hong Kong, Hong Kong, China
| | - Huikai Yuan
- Department of General Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Wei Li
- Department of General Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shuo Chen
- Department of Biopharmaceutical Sciences, School of Pharmacy, Harbin Medical University at Daqing, Daqing, China
| | - Siwen Liu
- Institute of Fruit Tree Research, Key Laboratory of South Subtropical Fruit Biology and Genetic Research Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Chunyu Li
- Institute of Fruit Tree Research, Key Laboratory of South Subtropical Fruit Biology and Genetic Research Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Xiaoqiang Yao
- School of Biomedical Sciences, Li Ka Shing Institute of Health Science, the Chinese University of Hong Kong, Hong Kong, China.
- Rm 224A, Lo Kwee-Seong Integrated Biomedical Sciences Building, Area 39, the Chinese University of Hong, New Territories, Hong Kong, China.
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5
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Seçme M, Urgancı ABE, Üzen R, Aslan A, Tıraş F. Determination of the effects of fusaric acid, a mycotoxin, on cytotoxicity, gamma-H2AX, 8-hydroxy-2 deoxyguanosine and DNA repair gene expressions in pancreatic cancer cells. Toxicon 2023; 231:107179. [PMID: 37321408 DOI: 10.1016/j.toxicon.2023.107179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/20/2023] [Accepted: 06/04/2023] [Indexed: 06/17/2023]
Abstract
Pancreatic cancer has a poor prognosis and is an important public health problem for developing countries. Oxidative stress plays an important role in cancer initiation, progression, proliferation, invasion, angiogenesis and metastasis. For this reason, one of the important strategic targets of new cancer therapeutics is to drive cancer cells into apoptosis through oxidative stress. In nuclear and mitochondrial DNA, 8-hydroxy-2'-deoxyguanosine and gamma-H2AX (γ-H2AX) are used as important oxidative stress biomarkers. Fusaric acid (FA) is a mycotoxin that mediates toxicity produced by Fusarium species and exhibits anticancer effects in various cancers via inducing apoptosis, cell cycle arrest, or other cellular mechanisms. The aim of this study was to determine the effects of fusaric acid on cytotoxic and oxidative damage in MIA PaCa-2 and PANC-1 cell lines. In this context, dose and time dependent cytotoxic effect of fusaric acid was determined by XTT method, mRNA expression levels of genes related to DNA repair were determined by RT-PCR, and its effect on 8-hydroxy-2'-deoxyguanosine and γ-H2AX levels was revealed by ELISA assay. According to XTT results, fusaric acid inhibits cell proliferation in MIA PaCa-2 and Panc-1 cells in a dose- and time-dependent manner. IC50 doses were determined as 187.74 μM at 48 h in MIA PaCa-2 cells and 134.83 μM at 48 h in PANC-1 cells, respectively. γ-H2AX and 8-OHdG changes were not found significant in pancreatic cancer cells. The mRNA expression levels of DNA repair-related genes NEIL1, OGG1, XRCC and Apex-1 change with exposure to fusaric acid. This study contributes to the therapeutic approaches to be developed for pancreatic cancer and demonstrates the potential of fusaric acid as an anticancer agent.
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Affiliation(s)
- Mücahit Seçme
- Department of Medical Biology, Faculty of Medicine, Ordu University, Ordu, Turkey.
| | - Ayşen Buket Er Urgancı
- Department of Medical Biology, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Ramazan Üzen
- Department of Medical Biology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Ali Aslan
- Department of Physiology, Faculty of Medicine, Ordu University, Ordu, Turkey
| | - Fatih Tıraş
- Leverhulme Research Centre for Forensic Science, Dundee University, Dundee, Scotland, UK
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6
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Xiao Z, Huang G, Lu D. A MAPK signaling cascade regulates the fusaric acid-induced cell death in Arabidopsis. JOURNAL OF PLANT PHYSIOLOGY 2023; 287:154049. [PMID: 37423042 DOI: 10.1016/j.jplph.2023.154049] [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: 05/03/2023] [Revised: 06/29/2023] [Accepted: 07/01/2023] [Indexed: 07/11/2023]
Abstract
Mycotoxin contamination of foods and feeds is a global problem. Fusaric acid (FA) is a mycotoxin produced by Fusarium species that are phytopathogens of many economically important plant species. FA can cause programmed cell death (PCD) in several plant species. However, the signaling mechanisms of FA-induced cell death in plants are largely unknown. Here we showed that FA induced cell death in the model plant Arabidopsis thaliana, and MPK3/6 phosphorylation was triggered by FA in Arabidopsis. Both the acid nature and the radical of FA are required for its activity in inducing MPK3/6 activation and cell death. Expression of the constitutively active MKK5DD resulted in the activation of MPK3/6 and promoted the FA-induced cell death. Our work demonstrates that the MKK5-MPK3/6 cascade positively regulates FA-induced cell death in Arabidopsis and also provides insight into the mechanisms of how cell death is induced by FA in plants.
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Affiliation(s)
- Zejun Xiao
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei, 050021, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Guozhong Huang
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, Hebei, 050021, China
| | - Dongping Lu
- Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
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7
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Ma C, Chen K, Wang Y, Cen C, Zhai Q, Zhang J. Establishing a novel colorectal cancer predictive model based on unique gut microbial single nucleotide variant markers. Gut Microbes 2022; 13:1-6. [PMID: 33430705 PMCID: PMC7808391 DOI: 10.1080/19490976.2020.1869505] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Current metagenomic species-based colorectal cancer (CRC) microbial biomarkers may confuse diagnosis because the genetic content of different microbial strains, even those belonging to the same species, may differ from 5% to 30%. Here, a total of 7549 non-redundant single nucleotide variants (SNVs) were annotated in 25 species from 3 CRC cohorts (n = 249). Then, 22 microbial SNV markers that contributed to distinguishing subjects with CRC from healthy subjects were identified by the random forest algorithm to construct a novel CRC predictive model. Excitingly, the predictive model showed high accuracy both in the training (AUC = 75.35%) and validation cohorts (AUC = 73.08%-88.02%). We further explored the specificity of these SNV markers in a broader background by performing a meta-analysis across 4 metabolic disease cohorts. Among these SNV markers, 3 SNVs that were enriched in CRC patients and located in the genomes of Eubacterium rectale and Faecalibacterium prausnitzii were CRC specific (AUC = 72.51%-94.07%).
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Affiliation(s)
- Chenchen Ma
- College of Food Science and Engineering, Hainan University, Haikou, Hainan, P. R. China,Key Laboratory of Food Nutrition and Functional Food of HainanProvince, Hainan University, Haikou, Hainan, China
| | - Kaining Chen
- Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, P. R. China
| | - Yuanyuan Wang
- College of Food Science and Engineering, Hainan University, Haikou, Hainan, P. R. China,Key Laboratory of Food Nutrition and Functional Food of HainanProvince, Hainan University, Haikou, Hainan, China
| | - Chaoping Cen
- Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, P. R. China
| | - Qixiao Zhai
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, P. R China,School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China,Qixiao Zhai State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu214122, P. R China
| | - Jiachao Zhang
- College of Food Science and Engineering, Hainan University, Haikou, Hainan, P. R. China,Key Laboratory of Food Nutrition and Functional Food of HainanProvince, Hainan University, Haikou, Hainan, China,CONTACT Jiachao Zhang College of Food Science and Engineering, Hainan University, Haikou, Hainan570228, P. R. China
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8
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Min F, Liu X, Li Y, Dong M, Qu Y, Liu W. Carnosic Acid Suppresses the Development of Oral Squamous Cell Carcinoma via Mitochondrial-Mediated Apoptosis. Front Oncol 2021; 11:760861. [PMID: 34900710 PMCID: PMC8662526 DOI: 10.3389/fonc.2021.760861] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 11/08/2021] [Indexed: 12/15/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) predominantly consists of squamous cells and is the tumor with the highest incidence of the head and neck. Carnosic acid (CA), a natural monomer drug obtained from rosemary and salvia, shows various pharmacological effects, including of tumor development. This study aimed to assess for an effect of CA on the development of OSCC and the underlying mechanisms. In CAL27 and SCC9 cells, CA inhibited cell proliferation and migration, increased intracellular levels of reactive oxygen species (ROS) and Ca2+, decreased the mitochondrial membrane potential (MMP), and promoted apoptosis. In CAL27- and SCC9-xenotransplanted BALB/c nude mice, CA inhibited the tumor growth without affecting the body weight and tissue morphology. CA upregulated Bax, Bad, cleaved Caspase-3 and -9 levels, and the cleaved PARP1/PARP1 ratio but downregulated Bcl-2 in CA-treated OSCC cells and OSCC cells-xenotransplanted BALB/c nude mice. These results indicate that CA suppresses OSCC at least via the mitochondrial apoptotic pathway and offers this natural compound as a potential therapeutic against OSCC.
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Affiliation(s)
- Fenghe Min
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Jilin University, Changchun, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China.,School of Life Sciences, Jilin University, Changchun, China
| | - Xin Liu
- School of Life Sciences, Jilin University, Changchun, China
| | - Yuan Li
- School of Life Sciences, Jilin University, Changchun, China
| | - Mingyuan Dong
- School of Life Sciences, Jilin University, Changchun, China
| | - Yidi Qu
- School of Life Sciences, Jilin University, Changchun, China
| | - Weiwei Liu
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Jilin University, Changchun, China.,Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Changchun, China
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9
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Shi R, Liu Z, Liu T. The antagonistic effect of bisphenol A and nonylphenol on liver and kidney injury in rats. Immunopharmacol Immunotoxicol 2021; 43:527-535. [PMID: 34282716 DOI: 10.1080/08923973.2021.1950179] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Bisphenol A (BPA) and nonylphenol (NP) are widely distributed endocrine-disrupting compounds. We aimed to estimate the combined toxicity of BPA and NP at a clinically safe dose (100 μg/kg) in rats. MATERIALS AND METHODS Liver and kidney functions were evaluated by detecting the relevant indicators. Hematoxylin and Eosin (HE) staining was performed to examine the injury in the tissue. TUNEL assay and Western blot were used to detect cell apoptosis and expressions of target factors, respectively. RESULTS The body weight of rats in the BPA + NP group was lighter than that in the BPA or NP group. BPA or NP weakened liver function through increasing levels of aspartate aminotransferase (AST), alkaline phosphatase (ALP), alanine aminotransferase (ALT), cholesterol (CHOL), triglyceride TG, globulin (GLOB), treponemiapallidum (TP), and total bilirubin (TBIL). BPA and NP could induce kidney damage by elevating the levels of serum creatinine (Scr) and blood urea nitrogen (BUN). Moreover, the malondialdehyde (MDA) content was increased, whereas the activities of superoxide dismutase (SOD), glutathione (GSH), glutathione peroxidase (GSH-PX), glutathione sulfotransferase (GSH-ST), catalase (CAT), and peroxidase (POD) were reduced in those groups exposed to BPA or NP. HE staining exhibited injuries of the liver and kidney. Furthermore, the apoptosis of liver and kidney cells was enhanced by exposure to BPA or NP. Additionally, the expressions of CYP2D6, CYP1A1, and CYP2E1 were triggered by the treatment of BPA or NP. The combined effect of BPA and NP seemed to be antagonistic at a low dose. CONCLUSION BPA and NP may have potential interactions.
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Affiliation(s)
- Rui Shi
- Department of Hepatobiliary Surgery, Tianjin First Central Hospital, Tianjin, China
| | - Zirong Liu
- Department of Hepatobiliary Surgery, Tianjin First Central Hospital, Tianjin, China
| | - Tong Liu
- Department of General surgery, General Hospital of Tianjin Medical University, Tianjin, China
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10
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Zhang Q, Yang F, Liao S, Wang B, Li R, Dong Y, Zhou M, Yang Y, Xu G. Synthesis, Antibacterial Activity, and Structure–Activity Relationship of Fusaric Acid Analogs. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qing‐Yan Zhang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
- Engineering Research Center for the Development and Application of Ethnic Medicine and TCM Ministry of Education & Guizhou Provincial Key Laboratory of Pharmaceutics Guiyang Guizhou 550004 China
| | - Fei‐Yu Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
| | - Shang‐Gao Liao
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
| | - Bing Wang
- School of Biology & Engineering Guizhou Medical University Guian New District Guizhou 550025 China
| | - Rui Li
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
| | - Yong‐Xi Dong
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
| | - Meng Zhou
- Engineering Research Center for the Development and Application of Ethnic Medicine and TCM Ministry of Education & Guizhou Provincial Key Laboratory of Pharmaceutics Guiyang Guizhou 550004 China
| | - Yuan‐Yong Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
| | - Guo‐Bo Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants & School of Pharmacy Guizhou Medical University Guian New District Guizhou 550025 China
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12
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Ghazi T, Nagiah S, Chuturgoon AA. Fusaric acid decreases p53 expression by altering promoter methylation and m6A RNA methylation in human hepatocellular carcinoma (HepG2) cells. Epigenetics 2021; 16:79-91. [PMID: 32631113 PMCID: PMC7889137 DOI: 10.1080/15592294.2020.1788324] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 05/08/2020] [Accepted: 06/02/2020] [Indexed: 12/20/2022] Open
Abstract
Fusaric acid (FA) is a food-borne mycotoxin that mediates toxicity with limited information on its epigenetic properties. p53 is a tumour suppressor protein that regulates cell cycle arrest and apoptotic cell death. The expression of p53 is regulated transcriptionally by promoter methylation and post-transcriptionally by N-6-methyladenosine (m6A) RNA methylation. We investigated the effect of FA on p53 expression and its epigenetic regulation via promoter methylation and m6A RNA methylation in human hepatocellular carcinoma (HepG2) cells. HepG2 cells were treated with FA [0, 25, 50, 104, and 150 µg/ml; 24 h] and thereafter, DNA, RNA, and protein was isolated. Promoter methylation and expression of p53 was measured using qPCR and Western blot. RNA immuno-precipitation was used to determine m6A-p53 levels. The expression of m6A methyltransferases (METTL3 and METTL14), demethylases (FTO and ALKBH5), and readers (YTHDF1-3 and YTHDC2) were measured using qPCR. FA induced p53 promoter hypermethylation (p < 0.0001) and decreased p53 expression (p < 0.0001). FA decreased m6A-p53 levels (p < 0.0001) by decreasing METTL3 (p < 0.0001) and METTL14 (p < 0.0001); and suppressed expression of YTHDF1 (p < 0.0001), YTHDF3 (p < 0.0001), and YTHDC2 (p < 0.0001) that ultimately reduced p53 translation (p < 0.0001). Taken together, the data shows that FA epigenetically decreased p53 expression by altering its promoter methylation and m6A RNA methylation in HepG2 cells. This study reveals a mechanism for p53 regulation by FA and provides insight into future therapeutic interventions.
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Affiliation(s)
- Terisha Ghazi
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
| | - Savania Nagiah
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
| | - Anil A. Chuturgoon
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, Howard College Campus, University of KwaZulu-Natal, Durban, South Africa
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13
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Adaku Chilaka C, Mally A. Mycotoxin Occurrence, Exposure and Health Implications in Infants and Young Children in Sub-Saharan Africa: A Review. Foods 2020; 9:E1585. [PMID: 33139646 PMCID: PMC7693847 DOI: 10.3390/foods9111585] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/22/2020] [Accepted: 10/29/2020] [Indexed: 02/07/2023] Open
Abstract
Infants and young children (IYC) remain the most vulnerable population group to environmental hazards worldwide, especially in economically developing regions such as sub-Saharan Africa (SSA). As a result, several governmental and non-governmental institutions including health, environmental and food safety networks and researchers have been proactive toward protecting this group. Mycotoxins, toxic secondary fungal metabolites, contribute largely to the health risks of this young population. In SSA, the scenario is worsened by socioeconomic status, poor agricultural and storage practices, and low level of awareness, as well as the non-establishment and lack of enforcement of regulatory limits in the region. Studies have revealed mycotoxin occurrence in breast milk and other weaning foods. Of concern is the early exposure of infants to mycotoxins through transplacental transfer and breast milk as a consequence of maternal exposure, which may result in adverse health effects. The current paper presents an overview of mycotoxin occurrence in foods intended for IYC in SSA. It discusses the imperative evidence of mycotoxin exposure of this population group in SSA, taking into account consumption data and the occurrence of mycotoxins in food, as well as biomonitoring approaches. Additionally, it discusses the health implications associated with IYC exposure to mycotoxins in SSA.
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Affiliation(s)
- Cynthia Adaku Chilaka
- Institute of Pharmacology and Toxicology, Julius Maximilian University of Würzburg, Versbacher Straβe 9, 97078 Würzburg, Germany;
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Tsotetsi N, Amoako DG, Somboro AM, Khumalo HM, Khan RB. Molecular mechanisms underlying the renoprotective effects of 1,4,7-triazacyclononane: a βeta-lactamase inhibitor. Cytotechnology 2020; 72:785-796. [PMID: 32920746 DOI: 10.1007/s10616-020-00422-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 09/07/2020] [Indexed: 12/11/2022] Open
Abstract
Broad-spectrum β-lactam antibiotics such as penicillin are routinely used against both Gram-negative and Gram-positive bacteria. However, bacteria that produce β-lactamase have developed resistance against these antibiotics by cleaving the β-lactam ring and rendering the antibiotic inactive. To combat this effect, 1,4,7- Triazacyclononane (TACN), a cyclic organic compound derived from cyclononanes has been shown to preserve the activity of β-lactam antibiotics by inhibiting β-lactamase. However, its cytotoxic effects require elucidation. Given that the cytotoxic target for many therapeutics is the kidney, this study investigated the effects of TACN on human embryonic kidney cells (Hek293) cells. Hek293 cells were treated with TACN (0-500 µM) for 24 h and the cytotoxicity was assessed (MTT and LDH assay). Apoptosis was luminometrically detected by measuring phosphatidylserine externalisation and caspase activity and fluorescently detecting necrosis. DNA fragmentation was visualised using fluorescent microscopy. Expression of the apoptosis-related protein were determined by western blot. The results generated indicate that TACN does not initiate necrosis as LDH was decreased. Likewise, decreased apoptosis was supported by the decreased phosphatidylserine, caspases, Bax, cleaved PARP, IAP and NF-kB. However, increased DNA fragmentation was associated with increased p53. Therefore, effects of TACN at the nucleus, produced a p53 response to initiate DNA repair and did not culminate in cell death. The findings show that TACN is not cytotoxic to Hek293 cells via the apoptotic route. Since TACN did not induce cell death, its potential as a metallo-β-lactamase inhibitor (MBLI) may be exploited to counteract the effect of MBL-producing bacteria. Restoring β-lactam activity will curb the global menace of antibiotic resistance.
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Affiliation(s)
- Nrateng Tsotetsi
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
| | - Daniel G Amoako
- Biomedical Resource Unit, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.
| | - Anou M Somboro
- Biomedical Resource Unit, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Hezekiel M Khumalo
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa
| | - Rene B Khan
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban, South Africa.
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Xu Y, Li X, Gong W, Huang HB, Zhu BW, Hu JN. Construction of Ginsenoside Nanoparticles with pH/Reduction Dual Response for Enhancement of Their Cytotoxicity Toward HepG2 Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8545-8556. [PMID: 32686932 DOI: 10.1021/acs.jafc.0c03698] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The aim of this study is to construct a pH- and reduction-responsive nanodrug delivery system to effectively deliver a ginsenoside (Rh2) and enhance its cytotoxicity against human hepatocarcinoma cells (HepG2). Here, pullulan polysaccharide was grafted by urocanic acid and α-lipoic acid (α-LA) to obtain a copolymer, α-LA-conjugated N-urocanyl pullulan (LA-URPA), which was expected to have pH and redox dual response. Then, the copolymer LA-URPA was used to encapsulate ginsenoside Rh2 to form Rh2 nanoparticles (Rh2 NPs). The results showed that Rh2 NPs exhibited an average size of 119.87 nm with a uniform spherical morphology. Of note, Rh2 NPs showed a high encapsulation efficiency of 86.00%. Moreover, Rh2 NPs possessed excellent pH/reduction dual-responsive drug release under acidic conditions (pH 5.5) and glutathione (GSH) stimulation with a low drug leakage of 14.8% within 96 h. Furthermore, Rh2 NPs with pH/reduction dual response had higher cytotoxicity than Rh2 after incubation with HepG2 cells for 72 h, indicating that Rh2 NPs had a longer circulation time. After the treatment with Rh2 NPs, the excessive increase of reactive oxygen species and the decrease of superoxide dismutase, glutathione (GSH), and mitochondrial membrane potential suggested that the mitochondrial pathway mediated by oxidative stress played a role in this Rh2 NP-induced apoptosis. In conclusion, this study provides a new strategy for improving the application of ginsenoside Rh2 in the food and pharmaceutical fields.
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Affiliation(s)
- Yu Xu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Xiang Li
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Wei Gong
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Hai-Bo Huang
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Bei-Wei Zhu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, P. R. China
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
| | - Jiang-Ning Hu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, P. R. China
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Merel D, Savoie JM, Mata G, Salmones D, Ortega C, Atanasova V, Chéreau S, Monribot-Villanueva JL, Guerrero-Analco JA. Methanolic Extracts from Cultivated Mushrooms Affect the Production of Fumonisins B and Fusaric Acid by Fusarium verticillioides. Toxins (Basel) 2020; 12:E366. [PMID: 32498307 PMCID: PMC7354567 DOI: 10.3390/toxins12060366] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 01/21/2023] Open
Abstract
The maize pathogen Fusarium verticillioides and their mycotoxins cause damage to plants, animals, and human health. This work aimed to evaluate the effect of crude extracts (CEs) from Agaricus subrufescens, Lentinula edodes, and Pleurotus ostreatus fruiting bodies on in vitro production of biomass and mycotoxins by two strains of F. verticillioides. Stipes and pilei were separated before extraction for A. subrufescens and L. edodes. Comparative metabolomics and dereplication of phenolic compounds were used to analyze all CEs. Mushroom CEs did not significantly inhibit the production of mycelial biomass at concentrations of 2 mg mL⁻1. CEs from A. subrufescens (stipes and pilei) and L. edodes pilei inhibited the production of fumonisins B1 + B2 + B3 by 54% to 80%, whereas CE from P. ostreatus had no effect. In contrast, CE from L. edodes stipes dramatically increased the concentration of fumonisins in culture media. Fusaric acid concentration was decreased in cultures by all CEs except L. edodes stipes. Differences in phenolic composition of the extracts may explain the different effects of the CE treatments on the production of mycotoxins. The opposing activities of stipes and pilei from L. edodes offer an opportunity to search for active compounds to control the mycotoxin production by F. verticillioides.
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Affiliation(s)
- Daniel Merel
- Red Manejo Biotecnológico de Recursos (RMBR), Instituto de Ecología (A.C), Xalapa 91073, Mexico; (D.M.); (D.S.); (C.O.)
- Red Estudios Moleculares Avanzados (REMAV), Instituto de Ecología (A.C), Xalapa 91073, Mexico;
| | - Jean-Michel Savoie
- INRAE, Mycology and Food Safety (MycSA), F-22882 Villenave d’Ornon, France; (V.A.); (S.C.)
| | - Gerardo Mata
- Red Manejo Biotecnológico de Recursos (RMBR), Instituto de Ecología (A.C), Xalapa 91073, Mexico; (D.M.); (D.S.); (C.O.)
| | - Dulce Salmones
- Red Manejo Biotecnológico de Recursos (RMBR), Instituto de Ecología (A.C), Xalapa 91073, Mexico; (D.M.); (D.S.); (C.O.)
| | - Carlos Ortega
- Red Manejo Biotecnológico de Recursos (RMBR), Instituto de Ecología (A.C), Xalapa 91073, Mexico; (D.M.); (D.S.); (C.O.)
| | - Vessela Atanasova
- INRAE, Mycology and Food Safety (MycSA), F-22882 Villenave d’Ornon, France; (V.A.); (S.C.)
| | - Sylvain Chéreau
- INRAE, Mycology and Food Safety (MycSA), F-22882 Villenave d’Ornon, France; (V.A.); (S.C.)
| | | | - José A. Guerrero-Analco
- Red Estudios Moleculares Avanzados (REMAV), Instituto de Ecología (A.C), Xalapa 91073, Mexico;
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Sheik Abdul N, Nagiah S, Chuturgoon AA. The neglected foodborne mycotoxin Fusaric acid induces bioenergetic adaptations by switching energy metabolism from mitochondrial processes to glycolysis in a human liver (HepG2) cell line. Toxicol Lett 2020; 318:74-85. [DOI: 10.1016/j.toxlet.2019.10.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 10/03/2019] [Accepted: 10/17/2019] [Indexed: 12/21/2022]
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Abdul NS, Nagiah S, Anand K, Chuturgoon AA. Molecular docking and mechanisms of fusaric acid induced mitochondrial sirtuin aberrations in glycolytically and oxidatively poised human hepatocellular carcinoma (HepG2) cells. Toxicon 2019; 173:48-56. [PMID: 31778683 DOI: 10.1016/j.toxicon.2019.11.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 11/05/2019] [Accepted: 11/24/2019] [Indexed: 10/25/2022]
Abstract
Fusaric acid (FA) is a ubiquitous yet neglected mycotoxin. The toxicity of FA is associated with mitochondrial dysfunction and oxidative stress. Sirtuins (SIRTs) are key mediators of cell stress responses through deacetylation of antioxidant, mitochondrial maintenance and energy metabolism proteins. Dietary bioactive compounds have profound effects on SIRT activity, however little is known regarding common foodborne toxins and SIRTs. In this study the interaction of FA with mitochondrial SIRTs - SIRT3 and SIRT5, were firstly studied by molecular docking. Thereafter we substantiated the in silico findings by investigating the effect of FA on expression profiles of SIRT3 and SIRT5, and transcriptional and post-transcriptional regulators, PGC-1α and miRNA-30c using western blots and qPCR in vitro. FA was predicted to bind to the active site of SIRT3 and SIRT5 having implications for biological activity. Furthermore, protein expression of SIRT3 and SIRT5 was down-regulated despite elevated mRNA levels. Further experimentation revealed post-transcriptional regulation of both SIRTs as evidenced by elevated miRNA-30c despite induction of PGC-1α. This study highlights the potential of a diet contaminated with FA to dysregulate mitochondrial specific proteins that can lead to initiation and progression of sirtuin related diseases including cancer and insulin resistance.
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Affiliation(s)
- Naeem Sheik Abdul
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Savania Nagiah
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Krisnan Anand
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Anil A Chuturgoon
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa.
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19
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Perumal PO, Mhlanga P, Somboro AM, Amoako DG, Khumalo HM, Khan RM. Cytoproliferative and Anti-Oxidant Effects Induced by Tannic Acid in Human Embryonic Kidney (Hek-293) Cells. Biomolecules 2019; 9:E767. [PMID: 31766707 PMCID: PMC6995534 DOI: 10.3390/biom9120767] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 12/14/2022] Open
Abstract
Tannic acid (TA) portrays a myriad of beneficial properties and has forthwith achieved incessant significance for its cytoprotective qualities in traditional and modern-day medicine. However, TA displays an ambiguous nature demonstrating anti-oxidant and pro-oxidant traits, beckoning further research. Although vast literature on the anti-proliferative effects of TA on cancer cell lines exist, the effects on normal cells remain unchartered. Herein, the cytoproliferative and anti-oxidant effects induced by TA in human embryonic kidney (Hek-293) cells were investigated. Data obtained from the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay demonstrated that TA increased the cell viability and cellular proliferation rate at higher concentrations. Hoechst assay, examining proliferation marker Ki67 supported these findings. DNA fragmentation and oxidative stress-inducers were specifically noted at IC25 and IC50 treatments via biochemical assays. This alluded to TA's pro-oxidant characteristics. However, the countervailing anti-oxidant defence mechanisms as the endogenous anti-oxidants and phase2 detoxification enzymes were significantly upregulated. Luminometry fortified the anti-oxidant capacity of TA, whereby executioner caspase-3/7 were not activated subservient to the activation of initiator caspases-8 and -9. Thus, proving that TA has anti-apoptotic traits, inter alia. Therefore, TA proved to harbour anti-oxidant, anti-apoptotic, and proliferative effects in Hek-293 cells with its partial cytotoxic responses being outweighed by its cytoprotective mechanisms.
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Affiliation(s)
- Pearl O. Perumal
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban 4000, South Africa; (P.O.P.); (P.M.); (H.M.K.)
| | - Priscilla Mhlanga
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban 4000, South Africa; (P.O.P.); (P.M.); (H.M.K.)
| | - Anou M. Somboro
- Biomedical Resource Unit, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa;
| | - Daniel G. Amoako
- Biomedical Resource Unit, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa;
| | - Hezekiel M. Khumalo
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban 4000, South Africa; (P.O.P.); (P.M.); (H.M.K.)
| | - Rene M. Khan
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban 4000, South Africa; (P.O.P.); (P.M.); (H.M.K.)
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20
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Ahmed-Farid OA, Haredy SA, Niazy RM, Linhardt RJ, Warda M. Dose-dependent neuroprotective effect of oriental phyto-derived glycyrrhizin on experimental neuroterminal norepinephrine depletion in a rat brain model. Chem Biol Interact 2019; 308:279-287. [PMID: 31150628 DOI: 10.1016/j.cbi.2019.05.045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 04/20/2019] [Accepted: 05/27/2019] [Indexed: 10/26/2022]
Abstract
The dose-dependent neuroprotective role of licorice-derived glycyrrhizin during subacute neuroterminal norepinephrine (NE) depletion was studied in rat brain. Experimental design included thirty 5-week-old male rats randomly divided into five groups. Compared to the saline-injected control group, the group receiving daily intraperitoneal injection of fusaric acid (FA; 5 mg/kg/b.w.) for 30 days showed pharmacological depletion of NE. The neuroprotective effects of three successively increasing oral doses of glycyrrhizin were examined in FA-treated rats. Neurochemical parameters and histo-/immunohistopathological changes in the hippocampus were examined. FA generated global hippocampal stress with altered neurobiochemical parameters, accompanied by immune-confirmed inflammatory tissue damage, and noticeable behavioral changes. Although glycyrrhizin after FA-induced intoxication did not correct the recorded drop in the NE level, it decreased the dopamine levels to control levels. Similarly, glycyrrhizin at a high dose restored the serotonin level to its normal value and blocked the FA-induced increase in the level of its metabolite, 5-hydroxyindoleacetic acid. The FA-induced rise in γ-aminobutyric acid (GABA) and histamine was alleviated after administration of a high dose of glycyrrhizin. This was accompanied by improvements in the bioenergetic status and neuronal regenerative capacity through recovery of ATP and brain-derived neurotrophic factor levels to the pre-intoxicated values. High doses of glycyrrhizin also ameliorated the FA-generated behavioral changes and oxidative damage, manifested by the reduction in the expression of cortical pro-apoptotic caspase 3 in the same group. This study suggests that glycyrrhizin can potentially mend most of the previously evoked neuronal damage induced by FA intoxication in the brain of an experimental rat model.
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Affiliation(s)
- Omar A Ahmed-Farid
- Physiology Department, National Organization for Drug Control and Research (NODCAR), Giza, 12553, Egypt
| | - Shimaa A Haredy
- Physiology Department, National Organization for Drug Control and Research (NODCAR), Giza, 12553, Egypt
| | - Reham M Niazy
- Physiology Department, National Organization for Drug Control and Research (NODCAR), Giza, 12553, Egypt
| | - Robert J Linhardt
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
| | - Mohamad Warda
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
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21
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Sheik Abdul N, Nagiah S, Chuturgoon AA. Fusaric acid induces NRF2 as a cytoprotective response to prevent NLRP3 activation in the liver derived HepG2 cell line. Toxicol In Vitro 2019; 55:151-159. [DOI: 10.1016/j.tiv.2018.12.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 11/21/2018] [Accepted: 12/17/2018] [Indexed: 01/16/2023]
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22
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Compounds with Potential Activity against Mycobacterium tuberculosis. Antimicrob Agents Chemother 2018; 62:AAC.02236-17. [PMID: 29437626 DOI: 10.1128/aac.02236-17] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 02/01/2018] [Indexed: 12/26/2022] Open
Abstract
The high acquisition rate of drug resistance by Mycobacterium tuberculosis necessitates the ongoing search for new drugs to be incorporated in the tuberculosis (TB) regimen. Compounds used for the treatment of other diseases have the potential to be repurposed for the treatment of TB. In this study, a high-throughput screening of compounds against thiol-deficient Mycobacterium smegmatis strains and subsequent validation with thiol-deficient M. tuberculosis strains revealed that ΔegtA and ΔmshA mutants had increased susceptibility to azaguanine (Aza) and sulfaguanidine (Su); ΔegtB and ΔegtE mutants had increased susceptibility to bacitracin (Ba); and ΔegtA, ΔmshA, and ΔegtB mutants had increased susceptibility to fusaric acid (Fu). Further analyses revealed that some of these compounds were able to modulate the levels of thiols and oxidative stress in M. tuberculosis This study reports the activities of Aza, Su, Fu, and Ba against M. tuberculosis and provides a rationale for further investigations.
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Yanyan L, Kurniawan TA, Ying Z, Albadarin AB, Walker G. Enhanced photocatalytic degradation of acetaminophen from wastewater using WO3/TiO2/SiO2 composite under UV–VIS irradiation. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.08.092] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Zhang X, Chen Y, Cai G, Li X, Wang D. Carnosic acid induces apoptosis of hepatocellular carcinoma cells via ROS-mediated mitochondrial pathway. Chem Biol Interact 2017; 277:91-100. [PMID: 28918123 DOI: 10.1016/j.cbi.2017.09.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 08/30/2017] [Accepted: 09/08/2017] [Indexed: 01/06/2023]
Abstract
Carnosic acid (CA), an important bioactive phenolic diterpene mainly found in labiate plants, exerts various biological functions, including antioxidant, anti-inflammatory, antitumor, and neuroprotective activities. In the present study, we proved the deleterious effects of CA against hepatocellular carcinoma (HCC) in both in vitro and in vivo models. In vitro, CA significantly decreased cell viability, inhibited cell proliferation and migration, enhanced apoptosis, and increased caspase-3, -8, and -9 activities in HepG2 and SMMC-7721 cells. Specifically, CA led to a decreased mitochondrial membrane potential (MMP) and increases in intracellular reactive oxygen species (ROS) levels and apoptosis-related protein expression. Pre-incubation of HCC cells with N-Acetyl-l-cysteine (NAC), a ROS inhibitor, strongly suppressed CA-induced apoptotic phenomena, including reduced cell viability, excessive ROS levels, MMP decreases, and abnormal protein expression, suggesting an association of CA-induced apoptosis with oxidative stress-mediated mitochondrial pathways. In HepG2-and SMMC-7721-xenograft tumor mouse models, treatment with CA inhibited tumor growth and modulated apoptosis-related protein expression, confirming the anti-HCC effects of this chemical. Moreover, the CA-mediated anti-HCC effects associated with oxidative stress provide experimental evidence to support the potential use of CA as a drug therapy for HCC.
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Affiliation(s)
- Xinrui Zhang
- School of Life Sciences, Jilin University, Jilin, 130012, China.
| | - Yiling Chen
- School of Life Sciences, Jilin University, Jilin, 130012, China; Zhuhai College of Jilin University, Jilin University, Zhuhai, 519000, China; Southern Research Institute, Jilin University, Zhuhai, 519000, China.
| | - Guangsheng Cai
- School of Life Sciences, Jilin University, Jilin, 130012, China.
| | - Xin Li
- Zhuhai College of Jilin University, Jilin University, Zhuhai, 519000, China; Southern Research Institute, Jilin University, Zhuhai, 519000, China.
| | - Di Wang
- School of Life Sciences, Jilin University, Jilin, 130012, China; Zhuhai College of Jilin University, Jilin University, Zhuhai, 519000, China.
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Ghazi T, Nagiah S, Tiloke C, Sheik Abdul N, Chuturgoon AA. Fusaric Acid Induces DNA Damage and Post-Translational Modifications of p53 in Human Hepatocellular Carcinoma (HepG 2 ) Cells. J Cell Biochem 2017; 118:3866-3874. [PMID: 28387973 DOI: 10.1002/jcb.26037] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/06/2017] [Indexed: 11/06/2022]
Abstract
Fusaric acid (FA), a common fungal contaminant of maize, is known to mediate toxicity in plants and animals; however, its mechanism of action is unclear. p53 is a tumor suppressor protein that is activated in response to cellular stress. The function of p53 is regulated by post-translational modifications-ubiquitination, phosphorylation, and acetylation. This study investigated a possible mechanism of FA induced toxicity in the human hepatocellular carcinoma (HepG2 ) cell line. The effect of FA on DNA integrity and post-translational modifications of p53 were investigated. Methods included: (a) culture and treatment of HepG2 cells with FA (IC50 : 580.32 μM, 24 h); (b) comet assay (DNA damage); (c) Western blots (protein expression of p53, MDM2, p-Ser-15-p53, a-K382-p53, a-CBP (K1535)/p300 (K1499), HDAC1 and p-Ser-47-Sirt1); and (d) Hoechst 33342 assay (apoptosis analysis). FA caused DNA damage in HepG2 cells relative to the control (P < 0.0001). FA decreased the protein expression of p53 (0.24-fold, P = 0.0004) and increased the expression of p-Ser-15-p53 (12.74-fold, P = 0.0126) and a-K382-p53 (2.24-fold, P = 0.0096). This occurred despite the significant decrease in the histone acetyltransferase, a-CBP (K1535)/p300 (K1499) (0.42-fold, P = 0.0023) and increase in the histone deacetylase, p-Ser-47-Sirt1 (1.22-fold, P = 0.0020). The expression of MDM2, a negative regulator of p53, was elevated in the FA treatment compared to the control (1.83-fold, P < 0.0001). FA also inhibited cell proliferation and induced apoptosis in HepG2 cells as evidenced by the Hoechst assay. Together, these results indicate that FA is genotoxic and post-translationally modified p53 leading to HepG2 cell death. J. Cell. Biochem. 118: 3866-3874, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Terisha Ghazi
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of Kwa-Zulu Natal, Congella, Durban, 4013, South Africa
| | - Savania Nagiah
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of Kwa-Zulu Natal, Congella, Durban, 4013, South Africa
| | - Charlette Tiloke
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of Kwa-Zulu Natal, Congella, Durban, 4013, South Africa
| | - Naeem Sheik Abdul
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of Kwa-Zulu Natal, Congella, Durban, 4013, South Africa
| | - Anil A Chuturgoon
- Discipline of Medical Biochemistry and Chemical Pathology, School of Laboratory Medicine and Medical Science, College of Health Sciences, University of Kwa-Zulu Natal, Congella, Durban, 4013, South Africa
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