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Zhai J, Chen Z, Zhu Q, Guo Z, Sun X, Jiang L, Li J, Wang N, Yao X, Zhang C, Deng H, Wang S, Yang G. Curcumin inhibits PAT-induced renal ferroptosis via the p62/Keap1/Nrf2 signalling pathway. Toxicology 2024; 506:153863. [PMID: 38878878 DOI: 10.1016/j.tox.2024.153863] [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: 04/23/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/24/2024]
Abstract
Patulin (PAT), the most common mycotoxin, is widespread in foods and beverages which poses a serious food safety issue to human health. Our previous research confirmed that exposure to PAT can lead to acute kidney injury (AKI). Curcumin is the most abundant active ingredient in turmeric rhizome with various biological activities. The aim of this study is to investigate whether curcumin can prevent the renal injury caused by PAT, and to explore potential mechanisms. In vivo, supplementation with curcumin attenuated PAT-induced ferroptosis. Mechanically, curcumin inhibited autophagy, led to the accumulation of p62 and its interaction with Keap1, promoted the nuclear translocation of nuclear factor E2 related factor 2 (Nrf2), and increased the expression of antioxidant stress factors in the process of ferroptosis. These results have also been confirmed in HKC cell experiments. Furthermore, knockdown of Nrf2 in HKC cells abrogated the protective effect of curcumin on ferroptosis. In conclusion, we confirmed that curcumin mitigated PAT-induced AKI by inhibiting ferroptosis via activation of the p62/Keap1/Nrf2 pathway. This study provides new potential targets and ideas for the prevention and treatment of PAT.
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Affiliation(s)
- Jianan Zhai
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Zhengguo Chen
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Qi Zhu
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Zhifang Guo
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Xiance Sun
- Department of Occupational & Environmental Health, Dalian Medical University, Dalian 116044, China
| | - Liping Jiang
- Department of Occupational & Environmental Health, Dalian Medical University, Dalian 116044, China
| | - Jing Li
- Department of Pathology, Dalian Medical University, Dalian 116044, China
| | - Ningning Wang
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Xiaofeng Yao
- Department of Occupational & Environmental Health, Dalian Medical University, Dalian 116044, China
| | - Cong Zhang
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Haoyuan Deng
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China
| | - Shaopeng Wang
- Department of Cardiology, the First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Guang Yang
- Department of Food Nutrition and Safety, Dalian Medical University, No. 9W. Lushun South Road, Dalian 116044, China.
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Wen W, Ertas YN, Erdem A, Zhang Y. Dysregulation of autophagy in gastric carcinoma: Pathways to tumor progression and resistance to therapy. Cancer Lett 2024; 591:216857. [PMID: 38583648 DOI: 10.1016/j.canlet.2024.216857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/22/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
The considerable death rates and lack of symptoms in early stages of gastric cancer (GC) make it a major health problem worldwide. One of the most prominent risk factors is infection with Helicobacter pylori. Many biological processes, including those linked with cell death, are disrupted in GC. The cellular "self-digestion" mechanism necessary for regular balance maintenance, autophagy, is at the center of this disturbance. Misregulation of autophagy, however, plays a role in the development of GC. In this review, we will examine how autophagy interacts with other cell death processes, such as apoptosis and ferroptosis, and how it affects the progression of GC. In addition to wonderful its role in the epithelial-mesenchymal transition, it is engaged in GC metastasis. The role of autophagy in GC in promoting drug resistance stands out. There is growing interest in modulating autophagy for GC treatment, with research focusing on natural compounds, small-molecule inhibitors, and nanoparticles. These approaches could lead to breakthroughs in GC therapy, offering new hope in the fight against this challenging disease.
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Affiliation(s)
- Wen Wen
- Department of Laboratory Medicine, Shengjing Hospital of China Medical University, Liaoning Clinical Research Center for Laboratory Medicine, Shenyang, China
| | - Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri, Turkey; ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, Turkey.
| | - Ahmet Erdem
- Institute for Quantitative Health Science and Engineering (IQ), Department of Biomedical Engineering, College of Engineering and Human Medicine, Michigan State University, East Lansing, MI, 48824, USA; Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41001 Turkey.
| | - Yao Zhang
- Department of Gynaecology, Shengjing Hospital of China Medical University, Shenyang, China.
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Cui J, Zhu M, Sun X, Yang J, Guo M. Microplastics induced endoplasmic reticulum stress to format an inflammation and cell death in hepatocytes of carp (Cyprinus carpio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 269:106870. [PMID: 38395010 DOI: 10.1016/j.aquatox.2024.106870] [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: 01/28/2024] [Revised: 02/15/2024] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Microplastics (MPs) are a serious threat to the living environment of aquatic organisms. However, there are fewer studies on the toxicity of microplastics to freshwater organisms. This study aimed to establish a polystyrene microplastics (PS-MPs) model by feeding carp (Cyprinus carpio) PS-MP (1000 ng/L) particles 8 μm in size. HE staining revealed a mass of inflammatory cells infiltrated in the carp hepatopancreas. The activities of alkaline phosphatase (AKP), aspartate transaminase (AST), lactate dehydrogenase (LDH), and alanine transaminase (ALT) were strengthened considerably, suggesting that PS-MPs cause injury to the hepatopancreas of carp. Real-Time polymerase chain reaction and western blotting results indicated increased levels of glucose-regulated protein 78 (GRP78), (PKR)-like ER kinase (PERK), eukaryotic translation initiation Factor 2α (EIF2α) and activating transcription Factor 4 (ATF4) genes and increased levels of inflammatory factors downstream of endoplasmic reticulum stress (ERs) thioredoxin-interacting protein (TXNIP), NOD-like receptor protein 3 (NLRP3), interleukin-18 (IL-18), interleukin-1β (IL-1β), and caspase 1. Increased expression of microtubule-associated protein-2 (LC3II), autophagy-related 5 (ATG5) and autophagy-related 12 (ATG12) genes revealed that PS-MPs promoted autophagy in carp hepatocytes. The enhanced expression of the Caspase 12, Caspase 3, and Bax genes suggested that PS-MPs led to the apoptosis of carp hepatocytes. These results suggest that PS-MPs result in serious injury to the hepatopancreas of carp. The present study of PS-MPs in freshwater fish from the aspect of endoplasmic reticulum stress was conducted to provide references and suggestions for toxicological studies of PS-MPs in freshwater environments.
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Affiliation(s)
- Jie Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Mengran Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiaoran Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Jie Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Mengyao Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Zhang JX, Yuan WC, Li CG, Zhang HY, Han SY, Li XH. A review on the mechanisms underlying the antitumor effects of natural products by targeting the endoplasmic reticulum stress apoptosis pathway. Front Pharmacol 2023; 14:1293130. [PMID: 38044941 PMCID: PMC10691277 DOI: 10.3389/fphar.2023.1293130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 10/27/2023] [Indexed: 12/05/2023] Open
Abstract
Cancer poses a substantial risk to human life and wellbeing as a result of its elevated incidence and fatality rates. Endoplasmic reticulum stress (ERS) is an important pathway that regulates cellular homeostasis. When ERS is under- or overexpressed, it activates the protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK)-, inositol-requiring enzyme 1 (IRE1)- and activating transcription Factor 6 (ATF6)-related apoptotic pathways to induce apoptosis. Tumor cells and microenvironment are susceptible to ERS, making the modulation of ERS a potential therapeutic approach for treating tumors. The use of natural products to treat tumors has substantially progressed, with various extracts demonstrating antitumor effects. Nevertheless, there are few reports on the effectiveness of natural products in inducing apoptosis by specifically targeting and regulating the ERS pathway. Further investigation and elaboration of its mechanism of action are still needed. This paper examines the antitumor mechanism of action by which natural products exert antitumor effects from the perspective of ERS regulation to provide a theoretical basis and new research directions for tumor therapy.
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Affiliation(s)
- Jie-Xiang Zhang
- The First Clinical College of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wei-Chen Yuan
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor, The First Clinical College of Nanjing University of Chinese Medicine, Nanjing, China
- The College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Cheng-Gang Li
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hai-Yan Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shu-Yan Han
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Integration of Chinese and Western Medicine, Peking University Cancer Hospital and Institute, Beijing, China
| | - Xiao-Hong Li
- Shandong University of Traditional Chinese Medicine, Jinan, China
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