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Hagen SJ. Gastroduodenal injury and repair mechanisms. Curr Opin Gastroenterol 2024:00001574-990000000-00154. [PMID: 38935320 DOI: 10.1097/mog.0000000000001049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
PURPOSE OF REVIEW Although the mucosal barrier serves as a primary interface between the environment and host, little is known about the repair of acute, superficial lesions or deeper, persistent lesions that if not healed, can be the site of increased permeability to luminal antigens, inflammation, and/or neoplasia development. RECENT FINDINGS Studies on acute superficial lesions have been sparse in the past year, with more focus given to novel mechanisms of mucosal protection, and the way in which mature epithelial cells or committed stem cells dedifferentiate, reprogram, proliferate, and then regenerate the gastroduodenal mucosa after injury. For this, adenoviral therapy showed organ specific targeting with mRNA and protein expression of effectors to protect against mucosal injury and ulceration. A large database of plant-based agents known to protect against injury and ulceration was published, along with studies using plant-based compounds delivered with alginates, polysaccharide/gel floating rafts, or incorporated into nanoparticles or green carbon dots to improve targeting and retention at the ulcerated lesion. With RNA technology developing rapidly, particularly single-cell RNA sequencing, important and novel data was forthcoming on mucosal regeneration. In particular, the role of interleukin-17 hub proteins in mucosal healing was highlighted. The presence and role of injury reserve cells was determined, as was the composition of ligand gradients for cell differentiation in both stomach and duodenum. The role of amphiregulin in parietal cell differentiation from lineage-restricted stem cells and the Yap1 gene signature in metaplasia vs. healing ulcers were of particular importance. Additionally, studies unveiled the important role of mesenchymal stromal cells in differentiation and repair mechanisms, in Muse cells as an exciting new therapy for mucosal repair after injury, and the role of sympathetic neurons in activating the immune system to regulate mucosal repair mechanisms. SUMMARY Recent studies highlight novel mechanisms that promote mucosal regeneration after injury of the gastroduodenal mucosa.
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Affiliation(s)
- Susan J Hagen
- Department of Surgery, Division of Surgical Sciences, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
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Chen H, Zhang T, Yan S, Zhang S, Fu Q, Xiong C, Zhou L, Ma X, Wang R, Chen G. Protective effects of the bioactive peptide from maggots against skin flap ischemia‒reperfusion injury in rats. Heliyon 2024; 10:e29874. [PMID: 38694094 PMCID: PMC11058300 DOI: 10.1016/j.heliyon.2024.e29874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/03/2024] Open
Abstract
Ischemia‒reperfusion (I/R) injury is a frequently observed complication after flap surgery, and it affects skin flap survival and patient prognosis. Currently, there are no proven safe and effective treatment options to treat skin flap I/R injury. Herein, the potential efficacies of the bioactive peptide from maggots (BPM), as well as its underlying mechanisms, were explored in a rat model of skin flap I/R injury and LPS- or H2O2-elicited RAW 264.7 cells. We demonstrated that BPM significantly ameliorated the area of flap survival, and histological changes in skin tissue in vivo. Furthermore, BPM could markedly restore or enhance Nrf2 and HO-1 levels, and suppress the expression of pro-inflammatory cytokines, including TLR4, p-IκB, NFκB p65, p-p65, IL-6, and TNF-α in I/R-injured skin flaps. In addition, BPM treatment exhibited excellent biocompatibility with an adequate safety profile, while it exhibited superior ROS-scavenging ability and the upregulation of antioxidant enzymes in vitro. Mechanistically, the above benefits related to BPM involved the activation of Nrf2/HO-1 and suppression of TLR4/NF-κB pathway. Taken together, this study may provide a scientific basis for the potential therapeutic effect of BPM in the prevention of skin flap I/R injury and other related diseases.
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Affiliation(s)
- Hao Chen
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Tianqi Zhang
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Su Yan
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Shan Zhang
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Qiuyue Fu
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Chuchu Xiong
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
| | - Lina Zhou
- Zhangjiagang Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Zhangjiagang, Jiangsu, PR China
| | - Xiao Ma
- Yixing Hospital of Traditional Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Yixing, Jiangsu, PR China
| | - Rong Wang
- College of Life Science, Nanjing Normal University, Nanjing, Jiangsu, PR China
| | - Gang Chen
- Department of Plastic Surgery, Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing, Jiangsu, PR China
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Xiao P, Li C, Liu Y, Gao Y, Liang X, Liu C, Yang W. The role of metal ions in the occurrence, progression, drug resistance, and biological characteristics of gastric cancer. Front Pharmacol 2024; 15:1333543. [PMID: 38370477 PMCID: PMC10869614 DOI: 10.3389/fphar.2024.1333543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 01/22/2024] [Indexed: 02/20/2024] Open
Abstract
Metal ions exert pivotal functions within the human body, encompassing essential roles in upholding cell structure, gene expression regulation, and catalytic enzyme activity. Additionally, they significantly influence various pathways implicated in divergent mechanisms of cell death. Among the prevailing malignant tumors of the digestive tract worldwide, gastric cancer stands prominent, exhibiting persistent high mortality rates. A compelling body of evidence reveals conspicuous ion irregularities in tumor tissues, encompassing gastric cancer. Notably, metal ions have been observed to elicit distinct contributions to the progression, drug resistance, and biological attributes of gastric cancer. This review consolidates pertinent literature on the involvement of metal ions in the etiology and advancement of gastric cancer. Particular attention is directed towards metal ions, namely, Na, K, Mg, Ca, Fe, Cu, Zn, and Mn, elucidating their roles in the initiation and progression of gastric cancer, cellular demise processes, drug resistance phenomena, and therapeutic approaches.
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Affiliation(s)
- Pengtuo Xiao
- Department of Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Changfeng Li
- Department of Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yuanda Liu
- Department of Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yan Gao
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Xiaojing Liang
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Chang Liu
- Department of Endoscopy Center, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Department of Immunology, College of Basic Medical Sciences, Jilin University, Changchun, China
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Chen T, Chen J, Bao SC, Zhang JX, Wei HL, Zhou XY, Hu X, Liang Y, Li JT, Yan SG. Mechanism of Xiaojianzhong decoction in alleviating aspirin-induced gastric mucosal injury revealed by transcriptomics and metabolomics. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116910. [PMID: 37453623 DOI: 10.1016/j.jep.2023.116910] [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: 05/28/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aspirin, as a first-line drug for the treatment of cardiovascular diseases, currently has high clinical usage. However, reports of aspirin-induced gastric mucosal injury are increasing. Xiaojianzhong decoction (XJZD), a classic traditional Chinese medicine formula, has been shown to alleviate gastric mucosal injury, although its potential mechanism of action requires further study. AIM OF THE STUDY This study aimed to explore the effect and mechanism of XJZD in preventing aspirin-induced gastric mucosal injury. MATERIALS AND METHODS Aspirin was used to induce damage in the morning, while XJZD was applied as an intervention in the afternoon. The compounds in the XJZD were analyzed by means of both high-performance liquid chromatography and ultra-performance liquid chromatography-tandem mass spectrometry. The overall condition of the aspirin-related gastric mucosal injury was evaluated. The expressions of inflammatory factors and tight-junction-related proteins and apoptosis were observed via immunohistochemistry and immunofluorescence. The expression levels of the apoptosis-related proteins were detected using Western blot. Transcriptomics was used to perform the integrative analysis of gastric tissues, which was then validated. Molecular dynamics was used to explore the interaction of key compounds within the XJZD with relevant targets. Finally, non-targeted metabolomics was used to observe any metabolic changes and construct a network between the differentially expressed genes and the differential metabolites to elucidate their potential relationship. RESULTS XJZD can alleviate inflammation response, maintain the gastric mucosal barrier's integrity, reduce apoptosis and necroptosis levels, and promote the proliferation and repair of gastric mucosal tissues. Its mechanism of action may be related to the regulation of TNF-α signaling. Furthermore, molecular docking showed that the cinnamaldehyde within XJZD played an important role in its effects. In addition, XJZD can correct metabolic disorders, mainly regulating amino acid metabolism pathways. Moreover, six differential genes (Cyp1a2, Cyp1a1, Pla2g4c, etc.) were determined to alleviate both gastric mucosal injury and inflammation by regulating arachidonic acid metabolism, Tryptophan metabolism, etc. CONCLUSIONS: This study is the first to report that XJZD can inhibit necroptosis and gastric mucosal injury induced by aspirin, thereby revealing the complex mechanism of XJZD in relation to alleviating gastric mucosal injury from multiple levels and perspectives.
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Affiliation(s)
- Ting Chen
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China
| | - Juan Chen
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China
| | - Sheng-Chuan Bao
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China
| | - Jia-Xiang Zhang
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China
| | - Hai-Liang Wei
- Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Department of General Surgery, The Affliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, 712000, PR China
| | - Xiao-Yan Zhou
- Department of Gastroenterology, The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, 712000, Shaanxi Province, China
| | - Xin Hu
- State Forestry and Grassland Administration Engineering Research Center of Fu tea, Xianyang, 712000, PR China
| | - Yan Liang
- State Forestry and Grassland Administration Engineering Research Center of Fu tea, Xianyang, 712000, PR China
| | - Jing-Tao Li
- Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Departments of Infectious Disease, The Affliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, 712000, PR China.
| | - Shu-Guang Yan
- College of Basic Medicine, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China; Key Laboratory of Gastrointestinal Diseases and Prescriptions in Shaanxi Province, Shaanxi University of Chinese Medicine, Xianyang, 712046, PR China.
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Almaimani G, Jabbar AAJ, Ibrahim IAA, Alzahrani AR, Bamagous GA, Almaimani RA, Almasmoum HA, Ghaith MM, Farrash WF, Azlina MFN. Anise (Pimpinella anisum L.) attenuates azoxymethane-induced colorectal cancer by antioxidant, anti-inflammatory, and anti-apoptotic pathways in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:4439-4452. [PMID: 38103135 DOI: 10.1007/s11356-023-31349-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/30/2023] [Indexed: 12/17/2023]
Abstract
Herbal medicine is one of the most common fields explored for combating colon cancers, and Pimpinella anisum L. seeds (PAS) have been utilized widely as medicinal agents because of their increased essential oil (trans-anethole) contents. In this essence, our study investigates the toxic effect and chemoprotective potentials of PAS against azoxymethane (AOM)-induced colon cancer in rats. The toxicity trial for PAS conducted by clustering fifteen rats into three groups (five rats each): A, normal control had 10% Tween 20; B, ingested with 2 g/kg PAS; and C, supplemented with 4 g/kg PAS. The in vivo cancer trial was performed by using 30 rats (Sprague-Dawley) that were randomly adapted in five steel cages (six rats each): group A, normal controls received two subcutaneous injections of normal saline 0.09% and ingested orally 10% Tween 20; groups B-E, rats received two injections of 15 mg/kg of azoxymethane (AOM) subcutaneously in 2 weeks and treated orally with 10% Tween 20 (group B) or intraperitoneal injection of 5-fluorouracil (35 mg/kg) (group C), or orally given 200 mg/kg PAS (group D) and 400 mg/kg PAS (group E) for 8 weeks. After the scarification of rats, the colon tissues were dissected for gross and histopathological evaluations. The acute toxicity trial showed the absence of any toxic signs in rats even after 14 days of ingesting 4 g/kg of PAS. The chemoprotective experiment revealed significant inhibitory potentials (65.93%) of PAS (400 mg/kg) against aberrant crypto foci incidence that could be correlated with its positive modulation of the immunohistochemically proteins represented by a significant up-regulation of the Bax protein and a decrease of the Bcl-2 protein expressions in colon tissues. Furthermore, PAS-treated rats had notably lower oxidative stress in colon tissues evidenced by decreased MDA levels and increased antiradical defense enzymes (SOD, CAT, and GPx). The outcomes suggest 400 mg/kg PAS as a viable additive for the development of potential pharmaceuticals against colorectal cancer.
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Affiliation(s)
- Ghassan Almaimani
- Department of Surgery, Faculty of Medicine, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Ahmed A J Jabbar
- Department of Medical Laboratory Technology, Erbil Technical Health and Medical College, Erbil Polytechnic University, Erbil, 44001, Iraq.
| | - Ibrahim Abdel Aziz Ibrahim
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Abdullah R Alzahrani
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ghazi A Bamagous
- Department of Pharmacology and Toxicology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Riyad A Almaimani
- Department of Biochemistry, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hussain A Almasmoum
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mazen M Ghaith
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Wesam F Farrash
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
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Yuan Y, Wang X, Wang Y, Liu Y, Zhao L, Zhao L, Cai S. The Gastroprotective Effect of Walnut Peptides: Mechanisms and Impact on Ethanol-Induced Acute Gastric Mucosal Injury in Mice. Nutrients 2023; 15:4866. [PMID: 38068724 PMCID: PMC10708498 DOI: 10.3390/nu15234866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/19/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
The objective of this research was to explore the protective impact of walnut peptides (WP) against ethanol-induced acute gastric mucosal injury in mice and to investigate the underlying defense mechanisms. Sixty male BALB-c mice were divided into five groups, and they were orally administered distilled water, walnut peptides (200 and 400 mg/kg bw), and omeprazole (20 mg/kg bw) for 24 days. Acute gastric mucosal injury was then induced with 75% ethanol in all groups of mice except the blank control group. Walnut peptides had significant protective and restorative effects on tissue indices of ethanol-induced gastric mucosal damage, with potential gastric anti-ulcer effects. Walnut peptides significantly inhibited the excessive accumulation of alanine aminotransferase (ALT), aspartate transferase (AST), and malondialdehyde (MDA), while promoting the expression of reduced glutathione (GSH), total antioxidant capacity (T-AOC), glutathione disulfide (GSSG), and mouse epidermal growth factor (EGF). Furthermore, the Western blot analysis results revealed that walnut peptides significantly upregulated the expression of HO-1 and NQO1 proteins in the Nrf2 signaling pathway. The defensive impact of walnut peptides on the gastric mucosa may be achieved by mitigating the excessive generation of lipid peroxides and by boosting cellular antioxidant activity.
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Affiliation(s)
- Yutong Yuan
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Xinyi Wang
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Yumeng Wang
- Beijing Key Laboratory of Functional Food from Plant Resources, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
| | - Yaqi Liu
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Liang Zhao
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Lei Zhao
- Beijing Engineering and Technology Research Center of Food Additives, School of Food and Health, Beijing Technology and Business University, Beijing 100048, China; (Y.Y.); (X.W.); (Y.L.); (L.Z.)
| | - Shengbao Cai
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
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Hagen SJ. Pathophysiology updates: gastroduodenal injury and repair mechanisms. Curr Opin Gastroenterol 2023; 39:512-516. [PMID: 37678191 PMCID: PMC10592096 DOI: 10.1097/mog.0000000000000973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
PURPOSE OF REVIEW Although the mucosal barrier serves as a primary interface between the environment and host, little is known about the repair of acute, superficial lesions or deeper, persistent lesions that if not healed, can be the site of increased permeability to luminal antigens, inflammation, and/or neoplasia development. RECENT FINDINGS Recent studies on acute superficial lesions have focused on calcium signaling and focal adhesion kinase, which regulate cell migration and controlled matrix adhesion during restitution. Microfluidic organ-on-a-chip and gut-on-a-chip models continued in development to support reductionist studies of epithelial-bacterial and/or epithelial-immune cell interactions during mucosal barrier disruption. In fact, these models may allow personalized medicine studies in the future using patient-derived cells to evaluate injury and repair mechanisms. Work done in the past year evaluated the safety and efficacy of acid blocking drugs on ulcer healing, with new animal studies providing evidence that each drug affects the microbiome in a different way that can be correlated with its efficacy in ulcer healing. Lastly, work to understand the way in which mature epithelial cells or committed stem cells dedifferentiate, reprogram, proliferate, and then regenerate the gastroduodenal mucosa after injury was a major focus of studies in the past year. SUMMARY Recent studies highlight novel mechanisms that promote restitution and mucosal regeneration after injury of the gastroduodenal mucosa.
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Affiliation(s)
- Susan J Hagen
- Department of Surgery, Division of Surgical Sciences, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
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8
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Cai Q, Shen Q, Zhu W, Zhang S, Ke J, Lu Z. Paraquat-induced ferroptosis suppression via NRF2 expression regulation. Toxicol In Vitro 2023; 92:105655. [PMID: 37507096 DOI: 10.1016/j.tiv.2023.105655] [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: 02/25/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
Paraquat (PQ) is an environmentally friendly and efficient herbicide, but PQ misuse or intentional self-use can cause death through multiple organ damage and can cause acute lung injury. Existing clinical treatments alleviate symptoms but do not significantly improve the mortality rate. Ferroptosis is a type of necrosis that presents in a manner very similar to the cell damage induced by high doses of PQ, but the role of ferroptosis in paraquat-induced lung injury remains unclear. In this study, we aimed to explore the role of ferroptosis in PQ-induced A549 cell injury and identify the potential mechanisms and critical sites of protection against PQ-induced A549 injury by ferroptosis inhibitors. We found that the ferroptosis inhibitors Ferr-1 and Lip-1 inhibit ferroptosis by attenuating oxidative stress through the upregulation of NRF2 gene expression. The protective role of the ferroptosis inhibitor Dfo was most evident in paraquat-induced cell injury. Dfo inhibited ferroptosis by iron chelation and promoted NRF2 protein level reduction. NRF2 attenuated PQ-induced ferroptosis in A549 cells, mainly through the upregulation of SLC40A1 to encourage the movement of iron to the extracellular side to alleviate iron overload, and the upregulation of SLC7A11 to promote the expression of GPX4 to inhibit lipid peroxidation.
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Affiliation(s)
- Qiqi Cai
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Qunhe Shen
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Weimin Zhu
- Emergency Department, Enze Hospital, Enze Medical Center, Taizhou, China
| | - Sheng Zhang
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Jingjing Ke
- Department of Emergency Intensive Care Unit, Huangyan Hospital affiliated with Wenzhou Medical University, Taizhou First People's Hospital, Taizhou City, Zhejiang Province, China
| | - Zhongqiu Lu
- Department of Emergency Medicine, The First Affiliated Hospital of Wenzhou Medical, the key specialty of traditional Chinese Medicine of Zhejiang Provincial in the 13th Five-Year Plan period (Emergency Department), Wenzhou Key Laboratory of emergency and disaster medicine, Wenzhou City, Zhejiang Province, China.
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Yan R, Lin B, Jin W, Tang L, Hu S, Cai R. NRF2, a Superstar of Ferroptosis. Antioxidants (Basel) 2023; 12:1739. [PMID: 37760042 PMCID: PMC10525540 DOI: 10.3390/antiox12091739] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 09/29/2023] Open
Abstract
Ferroptosis is an iron-dependent and lipid peroxidation-driven cell death cascade, occurring when there is an imbalance of redox homeostasis in the cell. Nuclear factor erythroid 2-related factor 2 (NFE2L2, also known as NRF2) is key for cellular antioxidant responses, which promotes downstream genes transcription by binding to their antioxidant response elements (AREs). Numerous studies suggest that NRF2 assumes an extremely important role in the regulation of ferroptosis, for its various functions in iron, lipid, and amino acid metabolism, and so on. Many pathological states are relevant to ferroptosis. Abnormal suppression of ferroptosis is found in many cases of cancer, promoting their progression and metastasis. While during tissue damages, ferroptosis is recurrently promoted, resulting in a large number of cell deaths and even dysfunctions of the corresponding organs. Therefore, targeting NRF2-related signaling pathways, to induce or inhibit ferroptosis, has become a great potential therapy for combating cancers, as well as preventing neurodegenerative and ischemic diseases. In this review, a brief overview of the research process of ferroptosis over the past decade will be presented. In particular, the mechanisms of ferroptosis and a focus on the regulation of ferroptosis by NRF2 will be discussed. Finally, the review will briefly list some clinical applications of targeting the NRF2 signaling pathway in the treatment of diseases.
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Affiliation(s)
| | | | | | | | - Shuming Hu
- Department of Biochemistry & Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; (R.Y.); (B.L.); (W.J.); (L.T.)
| | - Rong Cai
- Department of Biochemistry & Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; (R.Y.); (B.L.); (W.J.); (L.T.)
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10
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Zeng XY, Qiu XZ, Wu JN, Liang SM, Huang JA, Liu SQ. Interaction mechanisms between autophagy and ferroptosis: Potential role in colorectal cancer. World J Gastrointest Oncol 2023; 15:1135-1148. [PMID: 37546557 PMCID: PMC10401467 DOI: 10.4251/wjgo.v15.i7.1135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/28/2023] [Accepted: 04/23/2023] [Indexed: 07/12/2023] Open
Abstract
Colorectal cancer (CRC) is a common malignancy that has the second highest incidence and mortality rate. Although there are many personalized treatment options for CRC, the therapeutic effects are ultimately limited by drug resistance. Studies have aimed to block the initiation and progression of CRC by inducing cell death to overcome this obstacle. Substantial evidence has indicated that both autophagy and ferroptosis play important regulatory roles in CRC. Autophagy, a lysosome-dependent process by which cellular proteins and organelles are degraded, is the basic mechanism for maintaining cell homeostasis. The duality and complexity of autophagy in cancer therapy is a hot topic of discussion. Ferroptosis, a regulated cell death pathway, is associated with iron accumulation-induced lipid peroxidation. The activation of ferroptosis can suppress CRC proliferation, invasion and drug resistance. Furthermore, recent studies have suggested an interaction between autophagy and ferroptosis. Autophagy can selectively degrade certain cellular contents to provide raw materials for ferroptosis, ultimately achieving antitumor and anti-drug resistance. Therefore, exploring the interaction between autophagy and ferroptosis could reveal novel ideas for the treatment of CRC. In this review, we describe the mechanisms of autophagy and ferroptosis, focusing on their roles in CRC and the crosstalk between them.
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Affiliation(s)
- Xin-Ya Zeng
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Xin-Ze Qiu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Jiang-Ni Wu
- Department of Pathology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Sheng-Mei Liang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Jie-An Huang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
| | - Shi-Quan Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530000, Guangxi Zhuang Autonomous Region, China
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Liu Y, Lian X, Qin X. Bile acid metabolism involved into the therapeutic action of Xiaojianzhong Tang via gut microbiota to treat chronic atrophic gastritis in rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 109:154557. [PMID: 36610165 DOI: 10.1016/j.phymed.2022.154557] [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: 05/12/2022] [Revised: 11/03/2022] [Accepted: 11/16/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND As a classical traditional Chinese medicine (TCM), Xiaojianzhong Tang (XJZ) is effective in treating chronic atrophic gastritis (CAG). However, the pharmacological mechanism of XJZ has not been fully explained. PURPOSE The purpose of this study was to investigate the mechanism of XJZ against CAG rats via gut microbiome using a multi-omics approach. METHODS The rat cecal contents were analyzed through the integration of an untargeted metabolomic approach based on ultra-high performance liquid chromatography coupled with the quadrupole-time of flight mass spectrometry (UHPLC-QTOF-MS) and 16S rRNA gene sequencing. Finally, the interaction of differential metabolites with bile acid (BA)-related targets was verified by molecular docking. RESULTS A new strategy was adopted to screen out the differential metabolites based on the comprehensive evaluation of VIP, |log2(FC)|, -ln(p-value) and ǀp(corr)ǀ. As results, XJZ showed favor regulations on the screened metabolites, cholic acid, deoxycholic acid, glycoursodeoxycholic acid, taurochenodesoxycholic acid, docosahexaenoic acid and L-isoleucine. The 16S rRNA gene sequencing analysis showed that XJZ could regulate gut microbiota disturbances in CAG rats, especially bile acid (BA) metabolism-related bacteria (Butyricimonas, Desulfovibrio, Bacteroides, Parabacteroides, Acetobacter and Alistipes). Molecular docking further showed that the differential metabolites regulated by XJZ had a good docking effect on BA-related targets. CONCLUSION The current work indicated that XJZ's therapeutic action was strongly linked to BA-related microorganisms and metabolic processes. These findings provided new insights into the effects of XJZ for the treatment of CAG.
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Affiliation(s)
- Yuetao Liu
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China.
| | - Xu Lian
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, No. 92, Wucheng Road, Taiyuan 030006, Shanxi, PR China.
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Schiavi A, Runci A, Maiorino T, Naso FD, Barenys M, Fritsche E, Strappazzon F, Ventura N. Cobalt chloride has beneficial effects across species through a hormetic mechanism. Front Cell Dev Biol 2022; 10:986835. [DOI: 10.3389/fcell.2022.986835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/05/2022] [Indexed: 01/18/2023] Open
Abstract
Severe oxygen and iron deficiencies have evolutionarily conserved detrimental effects, leading to pathologies in mammals and developmental arrest as well as neuromuscular degeneration in the nematode Caenorhabditis elegans. Yet, similar to the beneficial effects of mild hypoxia, non-toxic levels of iron depletion, achieved with the iron chelator bipyridine or through frataxin silencing, extend C. elegans lifespan through hypoxia-like induction of mitophagy. While the positive health outcomes of hypoxia preconditioning are evident, its practical application is rather challenging. Here, we thus test the potential beneficial effects of non-toxic, preconditioning interventions acting on iron instead of oxygen availability. We find that limiting iron availability through the iron competing agent cobalt chloride has evolutionarily conserved dose-dependent beneficial effects: while high doses of cobalt chloride have toxic effects in mammalian cells, iPS-derived neurospheres, and in C. elegans, sub-lethal doses protect against hypoxia- or cobalt chloride-induced death in mammalian cells and extend lifespan and delay age-associated neuromuscular alterations in C. elegans. The beneficial effects of cobalt chloride are accompanied by the activation of protective mitochondrial stress response pathways.
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