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Tang Y, Liu C, Wei R, Li R, Li Z, Zhang K, Zhao X, Ma Q. TRPV1/cPLA2/AA pathway contributes to ferroptosis-mediated acute liver injury in heatstroke. Int Immunopharmacol 2024; 138:112539. [PMID: 38936054 DOI: 10.1016/j.intimp.2024.112539] [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: 02/22/2024] [Revised: 05/21/2024] [Accepted: 06/19/2024] [Indexed: 06/29/2024]
Abstract
With the increasing frequency of global heatwaves, the incidence of heatstroke (HS) is significantly rising. The liver plays a crucial role in metabolism and is an organ highly sensitive to temperature. Acute liver injury (ALI) frequently occurs in patients with HS, yet the exact mechanisms driving ALI in HS are still unknown. In this basic study, we investigated the specific molecular mechanisms by which cytosolic phospholipase A2 (cPLA2) mediates ferroptosis, contributing to the development of ALI following HS. We utilized a mouse model of HS and divided the mice into healthy control and HS groups for a series of experiments. Firstly, we assessed oxidative damage markers in tissues and cells, as well as ferroptosis biomarkers. Additionally, we conducted a non-targeted metabolomics analysis to validate the role of key enzymes in metabolism and the ferroptosis pathway. Our results indicated that ferroptosis contributed to the progression of ALI after HS. Administering the ferroptosis inhibitor liproxstatin-1 (10 mg/kg) post-HS onset significantly inhibits HS-induced ALI progression. Mechanistically, heatstroke triggered cPLA2 activation and increased the levels of its metabolic product, arachidonic acid, thereby further promoted the occurrence of ferroptosis. Furthermore, heatstroke mediated cPLA2 activation might involve enhancing transient receptor potential vanilloid subtype 1 (TRPV1) receptor function. Overall, these results highlighted the critical role that cPLA2-mediated ferroptosis plays in the development of ALI following HS, indicating that inhibiting cPLA2 may present a novel therapeutic approach to prevent ALI after HS by limiting liver cell death.
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Affiliation(s)
- Youyong Tang
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China
| | - Chenxin Liu
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China
| | - Riqing Wei
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China
| | - Ru Li
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China
| | - Zhiwei Li
- Department of General Surgery and Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor, Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Keying Zhang
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China
| | - Xiaofeng Zhao
- The First School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China; Department of Medical Critical Care Medicine, General Hospital of Southern Theatre Command of People's Liberation Army, Guangzhou 510010, China
| | - Qiang Ma
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Immune Regulation and Immunotherapy, Southern Medical University, Guangzhou, 510515, China..
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Lai MS, Yan XP, Branch DR, Loriamini M, Chen LM. Ferroptosis in liver diseases: Fundamental mechanism and clinical implications. World J Gastroenterol 2024; 30:3730-3738. [PMID: 39221065 PMCID: PMC11362879 DOI: 10.3748/wjg.v30.i32.3730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 07/17/2024] [Accepted: 08/05/2024] [Indexed: 08/26/2024] Open
Abstract
This editorial discusses a recently published paper in the World Journal of Gastroenterology. Our research focuses on p53's regulatory mechanism for controlling ferroptosis, as well as the intricate connection between ferroptosis and liver diseases. Ferroptosis is a specific form of programmed cell death that is de-pendent on iron and displays unique features in terms of morphology, biology, and genetics, distinguishing it from other forms of cell death. Ferroptosis can affect the liver, which is a crucial organ responsible for iron storage and meta-bolism. Mounting evidence indicates a robust correlation between ferroptosis and the advancement of liver disorders. P53 has a dual effect on ferroptosis through various distinct signaling pathways. However, additional investigations are required to clarify the regulatory function of p53 metabolic targets in this complex association with ferroptosis. In the future, researchers should clarify the mechanisms by which ferroptosis and other forms of programmed cell death contribute to the progression of liver diseases. Identifying and controlling important regulatory factors associated with ferroptosis present a promising therapeutic strategy for liver disorders.
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Affiliation(s)
- Ming-Shuang Lai
- The Joint Laboratory on Transfusion-Transmitted Diseases (TTDs) Between Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Nanning Blood Center, Nanning 530003, Guangxi Zhuang Autonomous Region, China
| | - Xi-Peng Yan
- The Joint Laboratory on Transfusion-Transmitted Diseases (TTDs) Between Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Nanning Blood Center, Nanning 530003, Guangxi Zhuang Autonomous Region, China
| | - Donald R Branch
- Department of Medicine and Laboratory Medicine and Pathobiology, Centre for Innovation, Canadian Blood Services, Hamilton 397086, Canada
| | - Melika Loriamini
- Department of Medicine and Laboratory Medicine and Pathobiology, Centre for Innovation, Canadian Blood Services, Hamilton 397086, Canada
| | - Li-Min Chen
- The Joint Laboratory on Transfusion-Transmitted Diseases (TTDs) Between Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Nanning Blood Center, Nanning 530003, Guangxi Zhuang Autonomous Region, China
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Key Laboratory for Transfusion-transmitted Infectious Diseases of the Health Commission of Sichuan Province, Chengdu 610052, Sichuan Province, China
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Zhou R, Guo J, Jin Z. Advancing osteoarthritis therapy with GMOCS hydrogel-loaded BMSCs-exos. J Nanobiotechnology 2024; 22:493. [PMID: 39160590 PMCID: PMC11334447 DOI: 10.1186/s12951-024-02713-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: 03/05/2024] [Accepted: 07/08/2024] [Indexed: 08/21/2024] Open
Abstract
This study investigated the mechanism of the extracellular matrix-mimicking hydrogel-mediated TGFB1/Nrf2 signaling pathway in osteoarthritis using bone marrow mesenchymal stem cell-derived exosomes (BMSCs-Exos). A GMOCS-Exos hydrogel was synthesized and evaluated for its impact on chondrocyte viability and neutrophil extracellular traps (NETs) formation. In an OA rat model, GMOCS-Exos promoted cartilage regeneration and inhibited NETs formation. Transcriptome sequencing identified TGFB1 as a key gene, with GMOCS-Exos activating Nrf2 signaling through TGFB1. Depletion of TGFB1 hindered the cartilage-protective effect of GMOCS-Exos. This study sheds light on a promising therapeutic strategy for osteoarthritis through GMOCS-Exos-mediated TGFB1/Nrf2 pathway modulation.
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Affiliation(s)
- Renyi Zhou
- Department of Orthopedics, The First Hospital of China Medical University, No. 155 Nanjing North Street, Shenyang, 110001, Liaoning Province, China
| | - Jiarong Guo
- Department of Orthopedics, The First Hospital of China Medical University, No. 155 Nanjing North Street, Shenyang, 110001, Liaoning Province, China
| | - Zhe Jin
- Department of Orthopedics, The First Hospital of China Medical University, No. 155 Nanjing North Street, Shenyang, 110001, Liaoning Province, China.
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Zhang K, Jia R, Zhang Q, Xiang S, Wang N, Xu L. Metabolic dysregulation-triggered neutrophil extracellular traps exacerbate acute liver failure. FEBS Lett 2024. [PMID: 39155145 DOI: 10.1002/1873-3468.14971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 04/24/2024] [Accepted: 05/27/2024] [Indexed: 08/20/2024]
Abstract
Acute liver failure (ALF) is an acute liver disease with a high mortality rate in clinical practice, characterized histologically by extensive hepatocellular necrosis and massive neutrophil infiltration. However, the role of these abnormally infiltrating neutrophils during ALF development is unclear. Here, in an ALF mouse model, metabolites were identified that promote the formation of neutrophil extracellular traps (NETs) in the liver, subsequently influencing macrophage differentiation and disease progression. ALF occurs with abnormalities in hepatic and intestinal metabolites. Abnormal metabolites (LTD4 and glutathione) can directly, or indirectly via reactive oxygen species, promote NET formation of infiltrating neutrophils, which subsequently regulate macrophages in a pro-inflammatory M1-like state, inducing an amplification of the destructive effects of inflammation. Together, this study provides new insights into the role of NETs in the pathogenesis of ALF.
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Affiliation(s)
- Kangnan Zhang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Rongrong Jia
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Qinghui Zhang
- Department of Clinical Laboratory, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Shihao Xiang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Na Wang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
| | - Ling Xu
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiaotong University School of Medicine, China
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Li Z, Mo RL, Gong JF, Han L, Wang WF, Huang DK, Xu JG, Sun YJ, Chen S, Han GC, Sun DQ. Dihydrotanshinone I inhibits gallbladder cancer growth by targeting the Keap1-Nrf2 signaling pathway and Nrf2 phosphorylation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155661. [PMID: 38677269 DOI: 10.1016/j.phymed.2024.155661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 03/19/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND Gallbladder cancer (GBC) poses a significant risk to human health. Its development is influenced by numerous factors, particularly the homeostasis of reactive oxygen species (ROS) within cells. This homeostasis is crucial for tumor cell survival, and abnormal regulation of ROS is associated with the occurrence and progression of many cancers. Dihydrotanshinone I (DHT I), a biologically effective ingredient isolated from Salvia miltiorrhiza, has exhibited cytotoxic properties against various tumor cells by inducing apoptosis. However, the precise molecular mechanisms by which dht I exerts its cytotoxic effects remain unclear. PURPOSE To explore the anti-tumor impact of dht I on GBC and elucidate the potential molecular mechanisms. METHODS The proliferation of GBC cells, NOZ and SGC-996, was assessed using various assays, including CCK-8 assay, colony formation assay and EdU staining. We also examined cell apoptosis, cell cycle progression, ROS levels, and alterations in mitochondrial membrane potential to delve into the intricate molecular mechanism. Quantitative PCR (qPCR), immunofluorescence staining, and Western blotting were performed to evaluate target gene expression at both the mRNA and protein levels. The correlation between nuclear factor erythroid 2-related factor 2 (Nrf2) and kelch-like ECH-associated protein 1 (Keap1) were examined using co-immunoprecipitation. Finally, the in vivo effect of dht I was investigated using a xenograft model of gallbladder cancer in mice. RESULTS Our research findings indicated that dht I exerted cytotoxic effects on GBC cells, including inhibiting proliferation, disrupting mitochondrial membrane potential, inducing oxidative stress and apoptosis. Our in vivo studies substantiated the inhibition of dht I on tumor growth in xenograft nude mice. Mechanistically, dht I primarily targeted Nrf2 by promoting Keap1 mediated Nrf2 degradation and inhibiting protein kinase C (PKC) induced Nrf2 phosphorylation. This leads to the suppression of Nrf2 nuclear translocation and reduction of its target gene expression. Moreover, Nrf2 overexpression effectively counteracted the anti-tumor effects of dht I, while Nrf2 knockdown significantly enhanced the inhibitory effect of dht I on GBC. Meanwhile, PKC inhibitors and nuclear import inhibitors increased the sensitivity of GBC cells to dht I treatment. Conversely, Nrf2 activators, proteasome inhibitors, antioxidants and PKC activators all antagonized dht I induced apoptosis and ROS generation in NOZ and SGC-996 cells. CONCLUSION Our findings indicated that dht I inhibited the growth of GBC cells by regulating the Keap1-Nrf2 signaling pathway and Nrf2 phosphorylation. These insights provide a strong rationale for further investigation of dht I as a potential therapeutic agent for GBC treatment.
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Affiliation(s)
- Zhuang Li
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China; Research Technology Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Rong-Liang Mo
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Jun-Feng Gong
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China
| | - Lin Han
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China
| | - Wen-Fei Wang
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China
| | - Da-Ke Huang
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Jie-Gou Xu
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China
| | - Yan-Jun Sun
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China
| | - Shuo Chen
- Research Technology Center, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Gen-Cheng Han
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, China.
| | - Deng-Qun Sun
- Department of General Surgery, The Chinese People's Armed Police Forces Anhui Provincial Corps Hospital, Hefei 230041, China.
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Guo J, Le Y, Yuan A, Liu J, Chen H, Qiu J, Wang C, Dou X, Yuan X, Lu D. Astragaloside IV ameliorates cisplatin-induced liver injury by modulating ferroptosis-dependent pathways. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:118080. [PMID: 38521426 DOI: 10.1016/j.jep.2024.118080] [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: 01/16/2024] [Revised: 03/06/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The use of antineoplastic drugs, such as cisplatin, in clinical practice can cause adverse effects in patients, such as liver injury, which limits their long-term use. Therefore, there is an urgent need to develop alternative therapeutic strategies or drugs to minimize cisplatin-induced liver injury. Huangqi, the root of Astragalus membranaceus, is extensively used in traditional Chinese medicine (TCM) and has been employed in treating diverse liver injuries. Astragalus membranaceus contains several bioactive constituents, including triterpenoid saponins, one of which, astragaloside IV (ASIV), has been reported to have anti-inflammatory and antioxidant stress properties. However, its potential in ameliorating cisplatin-induced liver injury has not been explored. AIM OF THE STUDY The objective of this study was to examine the mechanism by which ASIV protects against cisplatin-induced liver injury. MATERIALS AND METHODS This study established a model of cisplatin-induced liver injury in mice, followed by treatment with various doses of astragaloside IV (40 mg/kg, 80 mg/kg). In addition, a model of hepatocyte ferroptosis in AML-12 cells was established using RSL3. The mechanism of action of astragaloside IV was investigated using a range of methods, including Western blot assay, qPCR, immunofluorescence, histochemistry, molecular docking, and high-content imaging system. RESULTS The findings suggested a significant improvement in hepatic injury, inflammation and oxidative stress phenotypes with the administration of ASIV. Furthermore, network pharmacological analyses provided evidence that a major pathway for ASIV to attenuate cisplatin-induced hepatic injury entailed the cell death cascade pathway. It was observed that ASIV effectively inhibited ferroptosis both in vivo and in vitro. Subsequent experimental outcomes provided further validation of ASIV's ability to hinder ferroptosis through the inhibition of PPARα/FSP1 signaling pathway. The current findings suggest that ASIV could function as a promising phytotherapy composition to alleviate cisplatin-induced liver injury. CONCLUSIONS The current findings suggest that astragaloside IV could function as a promising phytotherapy composition to alleviate cisplatin-induced liver injury.
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Affiliation(s)
- Jianan Guo
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Yifei Le
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Aini Yuan
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Jing Liu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Hang Chen
- Department of Medical Research Center, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, 312000, Zhejiang, China.
| | - Jiannan Qiu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Cui Wang
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Xiaobing Dou
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Xingyu Yuan
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
| | - Dezhao Lu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China.
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Zhang N, Han Z, Zhang R, Liu L, Gao Y, Li J, Yan M. Ganoderma lucidum Polysaccharides Ameliorate Acetaminophen-Induced Acute Liver Injury by Inhibiting Oxidative Stress and Apoptosis along the Nrf2 Pathway. Nutrients 2024; 16:1859. [PMID: 38931214 PMCID: PMC11206445 DOI: 10.3390/nu16121859] [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: 05/16/2024] [Revised: 06/03/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
The excessive employment of acetaminophen (APAP) is capable of generating oxidative stress and apoptosis, which ultimately result in acute liver injury (ALI). Ganoderma lucidum polysaccharides (GLPs) exhibit hepatoprotective activity, yet the protective impact and potential mechanism of GLPs in relation to APAP-induced ALI remain ambiguous. The intention of this research was to scrutinize the effect of GLPs on APAP-induced ALI and to shed light on their potential mechanism. The results demonstrated that GLPs were capable of notably alleviating the oxidative stress triggered by APAP, as shown through a significant drop in the liver index, the activities of serum ALT and AST, and the amounts of ROS and MDA in liver tissue, along with an increase in the levels of SOD, GSH, and GSH-Px. Within these, the hepatoprotective activity at the high dose was the most conspicuous, and its therapeutic efficacy surpassed that of the positive drug (bifendate). The results of histopathological staining (HE) and apoptosis staining (TUNEL) indicated that GLPs could remarkably inhibit the necrosis of hepatocytes, the permeation of inflammatory cells, and the occurrence of apoptosis induced by APAP. Moreover, Western blot analysis manifested that GLPs enhanced the manifestation of Nrf2 and its subsequent HO-1, GCLC, and NQO1 proteins within the Nrf2 pathway. The results of qPCR also indicated that GLPs augmented the expression of antioxidant genes Nrf2, HO-1, GCLC, and NQO1. The results reveal that GLPs are able to set off the Nrf2 signaling path and attenuate ALI-related oxidative stress and apoptosis, which is a potential natural medicine for the therapy of APAP-induced liver injury.
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Affiliation(s)
- Nan Zhang
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun 130112, China; (N.Z.); (L.L.); (Y.G.); (J.L.)
- College of Traditional Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; (Z.H.); (R.Z.)
- Jilin Provincial Key Laboratory of Traditional Chinese Medicinal Materials Cultivation and Propagation, Changchun 130112, China
| | - Zhongming Han
- College of Traditional Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; (Z.H.); (R.Z.)
| | - Rui Zhang
- College of Traditional Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China; (Z.H.); (R.Z.)
| | - Linling Liu
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun 130112, China; (N.Z.); (L.L.); (Y.G.); (J.L.)
- Jilin Provincial Key Laboratory of Traditional Chinese Medicinal Materials Cultivation and Propagation, Changchun 130112, China
| | - Yanliang Gao
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun 130112, China; (N.Z.); (L.L.); (Y.G.); (J.L.)
- Jilin Provincial Key Laboratory of Traditional Chinese Medicinal Materials Cultivation and Propagation, Changchun 130112, China
| | - Jintao Li
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun 130112, China; (N.Z.); (L.L.); (Y.G.); (J.L.)
- Jilin Provincial Key Laboratory of Traditional Chinese Medicinal Materials Cultivation and Propagation, Changchun 130112, China
| | - Meixia Yan
- Institute of Special Animal and Plant Sciences of Chinese Academy of Agricultural Sciences, Changchun 130112, China; (N.Z.); (L.L.); (Y.G.); (J.L.)
- Jilin Provincial Key Laboratory of Traditional Chinese Medicinal Materials Cultivation and Propagation, Changchun 130112, China
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Zeng Y, He Y, Wang L, Xu H, Zhang Q, Wang Y, Zhang J, Wang L. Dihydroquercetin improves experimental acute liver failure by targeting ferroptosis and mitochondria-mediated apoptosis through the SIRT1/p53 axis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155533. [PMID: 38552433 DOI: 10.1016/j.phymed.2024.155533] [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: 07/26/2023] [Revised: 02/26/2024] [Accepted: 03/11/2024] [Indexed: 05/01/2024]
Abstract
BACKGROUND Ferroptosis and mitochondria-mediated apoptosis are both involved in the pathogenesis of acute liver failure (ALF). Ferroptosis-produced reactive oxygen species (ROS) trigger the chain oxidation of polyunsaturated phospholipids and promote mitochondrial apoptosis. Dihydroquercetin (DHQ) also plays an important protective role against liver injury. PURPOSE Here, we aimed to investigate the protective effects of DHQ on ALF. We also explored the underlying mechanism. METHODS We established a Lipopolysaccharide (LPS)/D-galactosamine (D-Gal)-induced ALF mouse model and tumor necrosis factor-α (TNF-α)/D-Gal-induced ALF LO2 cell model. 2',7'-Dichlorofluorescein diacetate (DCFH-DA) and Dihydroethidium (DHE) were used to detect total ROS levels. Lipid ROS was assessed using C11-BODIPY flow cytometry. Lipid peroxidative products levels were detected using MDA ELISA assay and 4-hydroxynonenal (4-HNE) immunohistochemistry. QRT-PCR and western blots were used to test mRNA and protein expression levels, respectively. Cell viability was evaluated with CCK8 assay, and apoptosis was analyzed using flow cytometry. RESULTS DHQ treatment improved LPS/D-Gal-induced ALF, as well as TNF-α/D-Gal-induced reductions in LO2 viability and increased sirtuin 1 (SIRT1) expression. DHQ pretreatment also reduced the accumulation of ROS, reduced lipid peroxidation, elevated mitochondrial membrane potentials (ΔΨm), and decreased liver cell apoptosis both in vivo and in vitro. Additionally, the knockdown of SIRT1 and p53 activator (Tenovin-6) treatment reversed DHQ's inhibitory effects on ferroptosis and mitochondria-mediated apoptosis in vitro. DHQ enhanced p53 deacetylation by both up-regulating SIRT1 expression and directly bonding to SIRT1. We also found that Tenovin-6's stimulatory effects on ferroptosis and mitochondria-mediated apoptosis in the DHQ-treated LO2 ALF cell model were partially attenuated by overexpression of solute carrier family 7member 11 (SLC7A11), as well as by apoptotic protease activating factor 1 (Apaf-1) knockdown. CONCLUSION Our results suggest that DHQ alleviated ALF by inhibiting both ferroptosis and mitochondria-mediated apoptosis by regulating the SIRT1/p53 axis. Thus, DHQ may serve as a novel therapy for ALF.
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Affiliation(s)
- Yuqiao Zeng
- Shandong Second Medical University, Weifang, Shandong 261053, China
| | - Yiyu He
- Department of Cardiovascular Disease, Renmin Hospital of Wuhan University, Wuchang District, Wuhan City, Hubei 430060, China
| | - Li Wang
- Shandong Second Medical University, Weifang, Shandong 261053, China
| | - Hao Xu
- Infection Control Center, Linyi People's Hospital. Lanshan District, Linyi City, Shandong 276000, China
| | - Qianwen Zhang
- Infection Control Center, Linyi People's Hospital. Lanshan District, Linyi City, Shandong 276000, China
| | - Yanjun Wang
- Jilin Jianwei Natural Biotechnology Co., Ltd. Kuancheng District, Changchun City, Jilin 510664, China
| | - Jianhua Zhang
- Outpatient Department, Shandong Public Health Clinical Center, Lixia District, Jinan City, Shandong 250100, China
| | - Likun Wang
- Infection Control Center, Linyi People's Hospital. Lanshan District, Linyi City, Shandong 276000, China.
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Eid RA, Abadi AM, Alghamdi MA, El-Kott AF, Mohamed G, Al-Shraim M, Alaa Eldeen M, Zaki MSA, Shalaby FM. Echinops Asteraceae extract guards against malathion-induced liver damage via minimizing oxidative stress, inflammation, and apoptosis. Toxicon 2024; 244:107750. [PMID: 38750940 DOI: 10.1016/j.toxicon.2024.107750] [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: 02/15/2024] [Revised: 04/27/2024] [Accepted: 05/06/2024] [Indexed: 05/20/2024]
Abstract
Malathion (MAL) is one of the highly toxic organophosphorus (OP) compounds that induces hepatotoxicity. Echinops. ritro leaves extract (ERLE) is traditionally used in the treatment of bacterial/fungal infections. This study's goal was to investigate the potential of extracts from ERLE against hepatotoxicity induced by MAL in male albino rats. Four equal groups of forty mature male albino rats were created: The rats in the first group used as a control. The second group of rats received ERLE orally. The third group received MAL. ERLE and MAL were administered to the fourth group of rats. Six-week treatment groups were conducted. Using lipid peroxidation indicators [malondialdehyde (MDA), alanine aminotransferase (ALT), aspartate aminotransferase (AST)], oxidative stress markers [catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GPx)], apoptotic markers [Bcl-2 & caspase-3] and tumor necrosis factor alpha (TNF-α). Rats treated with MAL underwent a significant increase on MDA, ALT, AST, caspase-3 and TNF-α marker with a significant decrease in antioxidant markers [CAT, SOD, GPx] and Bcl-2. Histologically, MAL-treated group's liver sections displayed damaged hepatocytes with collapsed portions, pyknotic nuclei, vacuolated cytoplasm, and congested central veins. Ultra structurally, rat livers treated with MAL showed dilated cisternae of endoplasmic reticulum, swollen mitochondria with disrupted cristae, nuclei with disrupted chromatin content, multiple lysosomes, multiple vacuolations and a disrupted blood sinusoid. With rats treated with ERLE, these alterations were essentially non-existent. It is possible to conclude that ERLE protects against MAL hepatotoxicity, and that this protection is related, at least in part, to its antioxidant activities.
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Affiliation(s)
- Refaat A Eid
- Department of Pathology, College of Medicine, King Khalid University, P.O. Box 62529, Abha, 12573, Saudi Arabia.
| | - Alsaleem Mohammed Abadi
- Department of Family and Community Medicine, College of Medicine, King Khalid University, P.O. Box 62529, Abha, 12573, Saudi Arabia.
| | - Mansour A Alghamdi
- Department of Anatomy, College of Medicine, King Khalid University, P.O. Box 62529, Abha, 12573, Saudi Arabia; Genomics and Personalized Medicine Unit, College of Medicine, King Khalid University, Abha, 61421, Saudi Arabia.
| | - Attalla F El-Kott
- Department of Biology, College of Science, King Khalid University, Abha 61421, Saudi Arabia; Department of Zoology, College of Science, Damanhur University, Damanhur 22511, Egypt.
| | - Gamal Mohamed
- Department of Human Anatomy, Faculty of Medicine, Jazan University, Jazan, Saudi Arabia.
| | - Mubarak Al-Shraim
- Department of Pathology, College of Medicine, King Khalid University, P.O. Box 62529, Abha, 12573, Saudi Arabia.
| | - Muhammad Alaa Eldeen
- Cell Biology, Histology & Genetics Division, Biology Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt.
| | - Mohamed Samir A Zaki
- Department of Anatomy, College of Medicine, King Khalid University, P.O. Box 62529, Abha, 12573, Saudi Arabia.
| | - Fatma Mohsen Shalaby
- King Khalid University, Faculty of Sciences, Biology Department, Abha, Kingdom of Saudi Arabia; Mansoura University, Faculty of Sciences, Department of Zoology, Mansoura, Egypt.
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Kandalgaonkar MR, Kumar V, Vijay‐Kumar M. Digestive dynamics: Unveiling interplay between the gut microbiota and the liver in macronutrient metabolism and hepatic metabolic health. Physiol Rep 2024; 12:e16114. [PMID: 38886098 PMCID: PMC11182692 DOI: 10.14814/phy2.16114] [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: 04/11/2024] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024] Open
Abstract
Although the liver is the largest metabolic organ in the body, it is not alone in functionality and is assisted by "an organ inside an organ," the gut microbiota. This review attempts to shed light on the partnership between the liver and the gut microbiota in the metabolism of macronutrients (i.e., proteins, carbohydrates, and lipids). All nutrients absorbed by the small intestines are delivered to the liver for further metabolism. Undigested food that enters the colon is metabolized further by the gut microbiota that produces secondary metabolites, which are absorbed into portal circulation and reach the liver. These microbiota-derived metabolites and co-metabolites include ammonia, hydrogen sulfide, short-chain fatty acids, secondary bile acids, and trimethylamine N-oxide. Further, the liver produces several compounds, such as bile acids that can alter the gut microbial composition, which can in turn influence liver health. This review focuses on the metabolism of these microbiota metabolites and their influence on host physiology. Furthermore, the review briefly delineates the effect of the portosystemic shunt on the gut microbiota-liver axis, and current understanding of the treatments to target the gut microbiota-liver axis.
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Affiliation(s)
- Mrunmayee R. Kandalgaonkar
- Department of Physiology and PharmacologyUniversity of Toledo College of Medicine and Life SciencesToledoOhioUSA
| | - Virender Kumar
- College of Pharmacy and Pharmaceutical SciencesUniversity of ToledoToledoOhioUSA
| | - Matam Vijay‐Kumar
- Department of Physiology and PharmacologyUniversity of Toledo College of Medicine and Life SciencesToledoOhioUSA
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11
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Shi H, Xie X, Zheng S, Chen H, Liu C, Li S, Lu M. Endotoxin tolerance ameliorates lipopolysaccharide/D-galactosamine-induced acute liver failure by negative regulation of the NF-κB/NLRP3 and activation of Nrf2/HO-1 via Sitr1. Int Immunopharmacol 2024; 132:111994. [PMID: 38581992 DOI: 10.1016/j.intimp.2024.111994] [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: 12/26/2023] [Revised: 03/26/2024] [Accepted: 03/30/2024] [Indexed: 04/08/2024]
Abstract
Acute liver failure (ALF) is a potentially fatal disorder characterized by extensive hepatocyte necrosis and rapid decline in liver function. Numerous factors, including oxidative stress, cell death, and inflammatory responses, are associated with its pathogenesis. Endotoxin tolerance (ET) refers to the phenomenon in which the body or cells exhibit low or no response to high-dose lipopolysaccharide (LPS) stimulation after pre-stimulation with low-dose LPS. However, the specific mechanism through which ET regulates LPS/D-galactosamine (D-GalN)-induced ALF remains unclear. An ALF mouse model was established by intraperitoneal injection of D-GalN (400 mg/kg) and LPS (10 mg/kg). A low dose of LPS (0.1 mg/kg/d) was continuously administered to mice for 5 d before modeling to assess the protective effect of ET. The data from this study showed that ET alleviated the inflammatory response in mice with LPS/D-GalN-induced ALF. ET inhibited LPS-induced oxidative damage and pyroptosis in macrophages in vitro. RNA sequencing analysis showed that the NF-κB/NLRP3 pathway was linked to the anti-inflammatory and antioxidative effects of ET. Furthermore, using western blot, RT-qPCR, and immunofluorescence, we verified that ET inhibited the NF-κB/NLRP3 pathway and triggered the Nrf2/HO-1 signaling pathway to attenuate oxidative stress and cell pyroptosis. Sirt1 knockdown reversed this protective effect. In summary, our research elucidates that ET prevents ALF advancement by upregulating Sirt1 levels, triggering the Nrf2/HO-1 signaling axis, and suppressing the NF-κB/NLRP3 signaling cascade to inhibit oxidative stress and cell pyroptosis. Our results provide a mechanistic explanation for the protective effect of ET against ALF.
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Affiliation(s)
- Huifang Shi
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xueting Xie
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Sijie Zheng
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hong Chen
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chenyi Liu
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shu Li
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Mingqin Lu
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Lei ZY, Li ZH, Lin DN, Cao J, Chen JF, Meng SB, Wang JL, Liu J, Zhang J, Lin BL. Med1 inhibits ferroptosis and alleviates liver injury in acute liver failure via Nrf2 activation. Cell Biosci 2024; 14:54. [PMID: 38678227 PMCID: PMC11056072 DOI: 10.1186/s13578-024-01234-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 04/12/2024] [Indexed: 04/29/2024] Open
Abstract
BACKGROUND Extensive hepatocyte mortality and the absence of specific medical therapy significantly contribute to the unfavorable prognosis of acute liver failure (ALF). Ferroptosis is a crucial form of cell death involved in ALF. In this study, we aimed to determine the impact of Mediator complex subunit 1 (Med1) on ferroptosis and its potential hepatoprotective effects in ALF. RESULTS Med1 expression is diminished in the liver of lipopolysaccharide (LPS)/D-galactosamine (D-GalN)-induced ALF mice, as well as in hepatocytes damaged by H2O2 or TNF-α/D-GalN in vitro. Med1 overexpression mitigates liver injury and decreases the mortality rate of ALF mice by ferroptosis inhibition. The mechanism by which Med1 inhibits erastin-induced ferroptosis in hepatocytes involves the upregulation of nuclear factor erythroid 2-related factor 2 (Nrf2) and its downstream antioxidant genes heme oxygenase-1 (HO-1), glutamate cysteine ligase catalytic (GCLC), and NAD(P)H quinone oxidoreductase 1 (NQO1). Furthermore, Med1 overexpression suppresses the transcription of proinflammatory cytokines tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in the liver of mice with LPS/D-GalN-induced ALF. CONCLUSION Overall, our research findings indicate that Med1 suppresses ferroptosis and alleviates liver injury in LPS/D-GalN-induced ALF through the activation of Nrf2. These findings substantiate the therapeutic viability of targeting the Med1-Nrf2 axis as a means of treating individuals afflicted with ALF.
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Affiliation(s)
- Zi-Ying Lei
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Zhi-Hui Li
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Deng-Na Lin
- Department of Gastroenterology, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Jing Cao
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jun-Feng Chen
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Shi-Bo Meng
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jia-Lei Wang
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jing Liu
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China.
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
| | - Jing Zhang
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China.
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
| | - Bing-Liang Lin
- Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China.
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China.
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, Guangdong, China.
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13
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Zhou H, Liu Y, Su Y, Ji P, Kong L, Sun R, Zhang D, Xu H, Li W, Li W. Ginsenoside Rg1 attenuates lipopolysaccharide-induced chronic liver damage by activating Nrf2 signaling and inhibiting inflammasomes in hepatic cells. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117794. [PMID: 38244950 DOI: 10.1016/j.jep.2024.117794] [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: 10/04/2023] [Revised: 01/09/2024] [Accepted: 01/18/2024] [Indexed: 01/22/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginseng (Panax ginseng C. A. Meyer) is a precious traditional Chinese medicine with multiple pharmacological effects. Ginsenoside Rg1 is a main active ingredient extracted from ginseng, which is known for its age-delaying and antioxidant effects. Increasing evidence indicates that Rg1 exhibits anti-inflammatory properties in numerous diseases and may ameliorate oxidative damage and inflammation in many chronic liver diseases. AIM OF THE STUDY Chronic inflammatory injury in liver cells is an important pathological basis of many liver diseases. However, its mechanism remains unclear and therapeutic strategies to prevent its development need to be further explored. Thus, our study is to delve the protective effect and mechanism of Rg1 against chronic hepatic inflammatory injuries induced by lipopolysaccharide (LPS). MATERIALS AND METHODS The chronic liver damage model in mice was build up by injecting intraperitoneally with LPS (200 μg/kg) for 21 days. Serum liver function indicators and levels of IL-1β, IL-6 and TNF-α were examined by using corresponding Kits. Hematoxylin and Eosin (H&E), Periodic acid-Schiff (PAS), and Masson stains were utilized to visualize hepatic histopathological damage, glycogen deposition, and liver fibrosis. The nuclear import of p-Nrf2 and the generation of Col4 in the liver were detected by IF, while IHC was employed to detect the expressions of NLRP3 and AIM2 in the hepatic. The Western blot and q-PCR were used to survey the expressions of proteins and mRNAs of fibrosis and apoptosis, and the expressions of Keap1, p-Nrf2 and NLRP3, NLRP1, AIM2 inflammasome-related proteins in mouse liver. The cell viability of human hepatocellular carcinoma cells (HepG2) was detected by Cell Counting Kit-8 to select the action concentration of LPS, and intracellular ROS generation was detected using a kit. The expressions of Nuclear Nrf2, HO-1, NQO1 and NLRP3, NLRP1, and AIM2 inflammasome-related proteins in HepG2 cells were detected by Western blot. Finally, the feasibility of the molecular interlinking between Rg1 and Nrf2 was demonstrated by molecular docking. RESULTS Rg1 treatment for 21 days decreased the levels of ALT, AST, and inflammatory factors of serum IL-1β, IL-6 and TNF-α in mice induced by LPS. Pathological results indicated that Rg1 treatment obviously alleviated hepatocellular injury and apoptosis, inflammatory cell infiltration and liver fibrosis in LPS stimulated mice. Rg1 promoted Keap1 degradation and enhanced the expressions of p-Nrf2, HO-1 and decreased the levels of NLRP1, NLRP3, AIM2, cleaved caspase-1, IL-1β and IL-6 in livers caused by LPS. Furthermore, Rg1 effectively suppressed the rise of ROS in HepG2 cells induced by LPS, whereas inhibition of Nrf2 reversed the role of Rg1 in reducing the production of ROS and NLRP3, NLRP1, and AIM2 expressions in LPS-stimulated HepG2 cells. Finally, the molecular docking illustrated that Rg1 exhibits a strong affinity towards Nrf2. CONCLUSION The findings indicate that Rg1 significantly ameliorates chronic liver damage and fibrosis induced by LPS. The mechanism may be mediated through promoting the dissociation of Nrf2 from Keap1 and then activating Nrf2 signaling and further inhibiting NLRP3, NLRP1, and AIM2 inflammasomes in liver cells.
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Affiliation(s)
- Huimin Zhou
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Yan Liu
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Yong Su
- Department of Pharmacy, the First Affiliated Hospital of Anhui Medical University, Hefei, 230032, Anhui, China
| | - Pengmin Ji
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Liangliang Kong
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Ran Sun
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Duoduo Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Hanyang Xu
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China
| | - Weiping Li
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China.
| | - Weizu Li
- Department of Pharmacology, School of Basic Medical Sciences, Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education, Anhui Medical University, Hefei, 230032, China.
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14
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Peleman C, Francque S, Berghe TV. Emerging role of ferroptosis in metabolic dysfunction-associated steatotic liver disease: revisiting hepatic lipid peroxidation. EBioMedicine 2024; 102:105088. [PMID: 38537604 PMCID: PMC11026979 DOI: 10.1016/j.ebiom.2024.105088] [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: 12/31/2023] [Revised: 02/22/2024] [Accepted: 03/12/2024] [Indexed: 04/14/2024] Open
Abstract
Metabolic dysfunction-associated steatohepatitis (MASH) is characterised by cell death of parenchymal liver cells which interact with their microenvironment to drive disease activity and liver fibrosis. The identification of the major death type could pave the way towards pharmacotherapy for MASH. To date, increasing evidence suggest a type of regulated cell death, named ferroptosis, which occurs through iron-catalysed peroxidation of polyunsaturated fatty acids (PUFA) in membrane phospholipids. Lipid peroxidation enjoys renewed interest in the light of ferroptosis, as druggable target in MASH. This review recapitulates the molecular mechanisms of ferroptosis in liver physiology, evidence for ferroptosis in human MASH and critically appraises the results of ferroptosis targeting in preclinical MASH models. Rewiring of redox, iron and PUFA metabolism in MASH creates a proferroptotic environment involved in MASH-related hepatocellular carcinoma (HCC) development. Ferroptosis induction might be a promising novel approach to eradicate HCC, while its inhibition might ameliorate MASH disease progression.
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Affiliation(s)
- Cédric Peleman
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium
| | - Sven Francque
- Laboratory of Experimental Medicine and Paediatrics, Infla-Med Centre of Excellence, University of Antwerp, Antwerp, Belgium; Department of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium.
| | - Tom Vanden Berghe
- VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Laboratory of Pathophysiology, Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
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15
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Zhou XN, Zhang Q, Peng H, Qin YJ, Liu YH, Wang L, Cheng ML, Luo XH, Li H. Silent information regulator sirtuin 1 ameliorates acute liver failure via the p53/glutathione peroxidase 4/gasdermin D axis. World J Gastroenterol 2024; 30:1588-1608. [PMID: 38617450 PMCID: PMC11008418 DOI: 10.3748/wjg.v30.i11.1588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/20/2023] [Accepted: 02/18/2024] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND Acute liver failure (ALF) has a high mortality with widespread hepatocyte death involving ferroptosis and pyroptosis. The silent information regulator sirtuin 1 (SIRT1)-mediated deacetylation affects multiple biological processes, including cellular senescence, apoptosis, sugar and lipid metabolism, oxidative stress, and inflammation. AIM To investigate the association between ferroptosis and pyroptosis and the upstream regulatory mechanisms. METHODS This study included 30 patients with ALF and 30 healthy individuals who underwent serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) testing. C57BL/6 mice were also intraperitoneally pretreated with SIRT1, p53, or glutathione peroxidase 4 (GPX4) inducers and inhibitors and injected with lipopolysaccharide (LPS)/D-galactosamine (D-GalN) to induce ALF. Gasdermin D (GSDMD)-/- mice were used as an experimental group. Histological changes in liver tissue were monitored by hematoxylin and eosin staining. ALT, AST, glutathione, reactive oxygen species, and iron levels were measured using commercial kits. Ferroptosis- and pyroptosis-related protein and mRNA expression was detected by western blot and quantitative real-time polymerase chain reaction. SIRT1, p53, and GSDMD were assessed by immunofluorescence analysis. RESULTS Serum AST and ALT levels were elevated in patients with ALF. SIRT1, solute carrier family 7a member 11 (SLC7A11), and GPX4 protein expression was decreased and acetylated p5, p53, GSDMD, and acyl-CoA synthetase long-chain family member 4 (ACSL4) protein levels were elevated in human ALF liver tissue. In the p53 and ferroptosis inhibitor-treated and GSDMD-/- groups, serum interleukin (IL)-1β, tumour necrosis factor alpha, IL-6, IL-2 and C-C motif ligand 2 levels were decreased and hepatic impairment was mitigated. In mice with GSDMD knockout, p53 was reduced, GPX4 was increased, and ferroptotic events (depletion of SLC7A11, elevation of ACSL4, and iron accumulation) were detected. In vitro, knockdown of p53 and overexpression of GPX4 reduced AST and ALT levels, the cytostatic rate, and GSDMD expression, restoring SLC7A11 depletion. Moreover, SIRT1 agonist and overexpression of SIRT1 alleviated acute liver injury and decreased iron deposition compared with results in the model group, accompanied by reduced p53, GSDMD, and ACSL4, and increased SLC7A11 and GPX4. Inactivation of SIRT1 exacerbated ferroptotic and pyroptotic cell death and aggravated liver injury in LPS/D-GalN-induced in vitro and in vivo models. CONCLUSION SIRT1 activation attenuates LPS/D-GalN-induced ferroptosis and pyroptosis by inhibiting the p53/GPX4/GSDMD signaling pathway in ALF.
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Affiliation(s)
- Xing-Nian Zhou
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Quan Zhang
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Hong Peng
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
| | - Yu-Jie Qin
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yu-Hong Liu
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Lu Wang
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Ming-Liang Cheng
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Xin-Hua Luo
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
| | - Hong Li
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
- Department of Infectious Diseases, Guizhou Provincial People's Hospital, Guiyang 550001, Guizhou Province, China
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16
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Diao J, Fan H, Zhang J, Fu X, Liao R, Zhao P, Huang W, Huang S, Liao H, Yu J, Pan D, Wang M, Xiao W, Wen X. Activation of APE1 modulates Nrf2 protected against acute liver injury by inhibit hepatocyte ferroptosis and promote hepatocyte autophagy. Int Immunopharmacol 2024; 128:111529. [PMID: 38244516 DOI: 10.1016/j.intimp.2024.111529] [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: 11/16/2023] [Revised: 01/02/2024] [Accepted: 01/08/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND Apurinic/apyrimidinic endonuclease 1/redox effector factor 1 (APE1/Ref-1) plays a crucial role in DNA base excision repair, cell apoptosis, cell signaling, and the regulation of transcription factors through redox modulation and the control of reactive oxygen species (ROS). However, the connection between APE1 and acute liver injury (ALI) remains enigmatic. This study aims to unravel the molecular mechanisms underlying ALI and shed light on the role of APE1 in this context. METHOD We induced acute liver injury (ALI) in mice by lipopolysaccharide/D-galactosamine (LPS/GalN) and intervened with the APE1 inhibitor E3330. We examined the expression of APE1 in ALI mice and ALI patient tissues after E3330 intervention, Additionally, we measured hepatic oxidative stress, ferroptosis, and autophagy marker proteins and genes. In establishing an AML-12 liver cell injury model, we utilized the Nrf2 activator tert-butylhydroquinone (TBHQ) as an intervention and examined APE1, Nrf2, ferroptosis-related proteins, and autophagy marker proteins and mRNA. RESULTS Both ALI patients and ALI mice exhibited reduced APE1 expression levels. After E3330 intervention, there was a significant exacerbation of liver injury, oxidative stress, and a reduction in the expression of proteins, including GPX4, X-CT, ATG3, ATG5, and LC3 (LC3I/II). Consistent results were also observed in AML-12 cells. With TBHQ intervention, Nrf2 expression increased, along with the expression of proteins associated with iron death and autophagy. Mechanistically, APE1 activation regulates Nrf2 to inhibit ferroptosis and promote autophagy in hepatocytes. CONCLUSION The data suggest that APE1 is a pivotal player in ALI, closely linked to its regulation of Nrf2. Strategies involving APE1 activation to modulate Nrf2, thereby inhibiting hepatocyte ferroptosis and promoting autophagy, may represent innovative therapeutic approaches for ALI. Additionally, tert-butylhydroquinone (TBHQ) holds significant promise in the treatment of acute liver injury.
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Affiliation(s)
- Jianxin Diao
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Huijie Fan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China; Department of Traditional Chinese Medicine, People's Hospital of Yangjiang, Yangjiang 529500, China
| | - Jia Zhang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiuqiong Fu
- School of Chinese Medicine, Consun Chinese Medicines Research Centre for Renal Diseases, Hong Kong Baptist University, Hong Kong, China
| | - Rongxin Liao
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Peng Zhao
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Wei Huang
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China
| | - Shiying Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Huajun Liao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jieying Yu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Dongmei Pan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Ming Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China; Zhujiang Hospital of Southern Medical University, Guangzhou, Guangdong 510515, China.
| | - Wei Xiao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China; Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education, Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, China.
| | - Xiaomin Wen
- Center of TCM Preventive Treatment, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510315, China; School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Ma W, Liu K, He Y, Deng S, Liu Y, Wang D. Sodium humate ameliorates LPS-induced liver injury in mice by inhibiting TLR4/NF-κB and activating NRF2/HO-1 signaling pathways. Mol Biol Rep 2024; 51:204. [PMID: 38270817 DOI: 10.1007/s11033-023-09083-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: 09/25/2023] [Accepted: 11/30/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND Acute liver damage is a type of liver disease that has a significant global occurrence and a lack of successful treatment and prevention approaches. Sodium humate (HNa), a natural organic substance, has extensive applications in traditional Chinese medicine due to its antibacterial, anti-diarrheal, and anti-inflammatory characteristics. The purpose of this research was to examine the mitigating impacts of HNa on liver damage induced by lipopolysaccharide (LPS) in mice. METHODS AND RESULTS A total of 30 female mice were randomly assigned into Con, Mod, L-HNa, M-HNa, and H-HNa groups. Mice in the Con and Mod groups were gavaged with PBS, whereas L-HNa, M-HNa, and H-HNa groups mice were gavaged with 0.1%, 0.3%, and 0.5% HNa, daily. On day 21, Mod, L-HNa, M-HNa, and H-HNa groups mice were challenged with LPS (10 mg/kg). We discovered that pretreatment with HNa improved liver pathological damage and inflammation by inhibiting the toll-like receptor 4 (TLR4)/nuclear factor kappa-B (NF-κB) signaling pathway, enhancing the polarization of liver M2 macrophages, and reducing the levels of inflammatory cytokines. Our further study found that pretreatment with HNa enhanced the liver ability to combat oxidative stress and reduced hepatocyte apoptosis by activating the nuclear factor erythroid-2-related factor 2 (NRF2)/heme oxygenase-1 (HO-1) signaling pathway and enhancing the activities of antioxidant enzymes. CONCLUSIONS In conclusion, HNa could alleviate LPS-induced liver damage through inhibiting TLR4/NF-κB and activating NRF2/HO-1 signaling pathways. This study is the first to discover the therapeutic effects of HNa on liver damage induced by LPS.
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Affiliation(s)
- Weiming Ma
- College of Veterinary Medicine, Shandong Agricultural University, Taian, China
| | - Kexin Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yanjun He
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Shouxiang Deng
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yun Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Dong Wang
- College of Veterinary Medicine, Shandong Agricultural University, Taian, China.
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.
- Shandong Agricultural University, Taishan District, Taian, 271000, China.
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Liang Y, Qiu S, Zou Y, Luo L. Targeting ferroptosis with natural products in liver injury: new insights from molecular mechanisms to targeted therapies. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 122:155134. [PMID: 37863001 DOI: 10.1016/j.phymed.2023.155134] [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: 03/31/2023] [Revised: 09/26/2023] [Accepted: 10/03/2023] [Indexed: 10/22/2023]
Abstract
BACKGROUND Ferroptosis is a brand-new type of controlled cell death that is distinguished by its reliance on iron and the production of lipid peroxidation. The role of ferroptosis in damaging liver disorders has attracted a lot of attention in recent years. One effective strategy to reduce liver damage is to target ferroptosis. PURPOSE The purpose of this review is to clarify the connection between ferroptosis and liver damage and to look into the potential contribution of natural products to the clinical management of liver damage and the discovery of novel medications. METHODS To study the methods by which natural products operate on ferroptosis to cure liver damage and their main signaling pathways, we searched databases from the time of initial publication to August 2023 in PubMed, EMBASE, Web of Science, Ovid, ScienceDirect, and China National Knowledge Infrastructure. The liver illness that each natural product treats is categorized and summarized. It's interesting to note that several natural compounds, such Artemether, Fucoidan sulfate, Curcumin, etc., have the benefit of having many targets and multiple pathways of action. RESULTS We saw that in human samples or animal models of liver injury, ferroptosis indicators were activated, lipid peroxidation levels were elevated, and iron inhibitors had the ability to reduce liver damage. Liver damage can be treated with natural products by regulating ferroptosis. This is mostly accomplished through the modulation of Nrf2-related pathways (e.g., Conclusions and Astaxanthin), biological enzymes like GPX4 and the SIRT family (e.g., Chrysophanol and Decursin), and transcription factors like P53 (e.g., Artemether and Zeaxanthin). CONCLUSIONS This review proposes a promising path for the therapeutic therapy of liver damage by providing a theoretical foundation for the management of ferroptosis utilizing natural ingredients.
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Affiliation(s)
- Yongyi Liang
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, Guangdong, China
| | - Shaojun Qiu
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, Guangdong, China
| | - Youwen Zou
- The First Clinical College, Guangdong Medical University, Zhanjiang, 524023, Guangdong, China
| | - Lianxiang Luo
- The Marine Biomedical Research Institute, Guangdong Medical University, Zhanjiang 524023, Guangdong, China; The Marine Biomedical Research Institute of Guangdong Zhanjiang, Zhanjiang, 524023, Guangdong, China.
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19
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Hu Y, He B, Cao Q, Li Y, Tang Y, Cao T, Peng B, Zhou X, Liu S. Crosstalk of ferroptosis and oxidative stress in infectious diseases. Front Mol Biosci 2023; 10:1315935. [PMID: 38131014 PMCID: PMC10733455 DOI: 10.3389/fmolb.2023.1315935] [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: 10/10/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023] Open
Abstract
Ferroptosis is a type of programmed cell death that pathogens can leverage to enhance their replication, transmission, and pathogenicity. Hosts typically combat pathogenic infections by utilizing oxidative stress as a defense mechanism. Nonetheless, some pathogens can trigger considerable oxidative stress while infecting, inducing an intense inflammatory response in the host's immune system and activating cell death. The process of ferroptosis is closely linked to oxidative stress, with their interaction exerting a substantial impact on the outcome of infectious diseases. This article presents an overview of the interrelated mechanisms of both Ferroptosis and oxidative stress in infectious diseases, identifying potential targets for treating such diseases in the context of their interaction.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Shuangquan Liu
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
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20
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Chen R, Ying C, Zou Y, Lin C, Fu Q, Xiang Z, Bao J, Chen W. Sarsasapogenin inhibits YAP1-dependent chondrocyte ferroptosis to alleviate osteoarthritis. Biomed Pharmacother 2023; 168:115772. [PMID: 37879209 DOI: 10.1016/j.biopha.2023.115772] [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: 08/23/2023] [Revised: 10/14/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023] Open
Abstract
The involvement of chondrocyte ferroptosis in the development of osteoarthritis (OA) has been observed, and Sarsasapogenin (Sar) has therapeutic promise in a variety of inflammatory diseases. This study investigates the potential influence of Sar on the mechanism of chondrocyte ferroptotic cell death in the progression of osteoarthritic cartilage degradation. An in vivo medial meniscus destabilization (DMM)-induced OA animal model as well as an in vitro examination of chondrocytes in an OA microenvironment induced by interleukin-1β (IL-1β) exposure were employed. Histology, immunofluorescence, quantitative RT-PCR, Western blot, cell viability, and Micro-CT analysis were utilized in conjunction with gene overexpression and knockdown to evaluate the chondroprotective effects of Sar in OA progression and the role of Yes-associated protein 1 (YAP1) in Sar-induced ferroptosis resistance of chondrocytes. In this study we found Sar reduced chondrocyte ferroptosis and OA progression. And Sar-induced chondrocyte ferroptosis resistance was mediated by YAP1. Furthermore, infection of siRNA specific to YAP1 in chondrocytes reduced Sar's chondroprotective and ferroptosis-suppressing effects during OA development. The findings suggest that Sar mitigates the progression of osteoarthritis by decreasing the sensitivity of chondrocytes to ferroptosis through the promotion of YAP1, indicating that Sar has the potential to serve as a therapeutic approach for diseases associated with ferroptosis.
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Affiliation(s)
- Ruihan Chen
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Chenting Ying
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Yuxuan Zou
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Changjian Lin
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Qiangchang Fu
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Zhihui Xiang
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China
| | - Jiapeng Bao
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China.
| | - Weiping Chen
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Medical College, Zhejiang University, Jie Fang Road 88, 310009 Hangzhou, China.
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21
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Wanbiao Z, Jing M, Shi Z, Tengxiang C, Xueke Z, Haiyang L. MIA3 promotes the degradation of GSH (glutathione) by binding to CHAC1, thereby promoting the progression of hepatocellular carcinoma. Mol Cell Biochem 2023:10.1007/s11010-023-04850-9. [PMID: 37948019 DOI: 10.1007/s11010-023-04850-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 09/04/2023] [Indexed: 11/12/2023]
Abstract
MIA3 (melanoma inhibitory active protein 3)/TANGO1 (Golgi transporter component protein) plays an important role in the initiation, development, and metabolism of cancer. We aimed to explore the role and underlying molecular mechanisms of MIA3/TANGO1 in the growth and migration of hepatoma cells. According to the analysis of The Cancer Genome Atlas (TCGA) database, MIA3 is expressed at higher levels in hepatocellular carcinoma (HCC) tissues than in normal tissues. Real-time quantitative polymerase chain reaction (qRT-PCR), immunohistochemistry, and western blotting were used to detect mRNA and protein expression in HCC tissues and cells. The in vitro function of MIA3 in HCC cells was evaluated using Cell Counting Kit-8 (CCK-8), colony formation, cell migration and invasion, and flow cytometry assays. Hep-G2 cells with MIA3 overexpression were subjected to RNA-seq, and the downstream target gene CHAC1 (glutathione-specific γ-glutamyl cyclotransferase 1) was selected according to the results of the volcano map of gene enrichment. The relationship between MIA3 and CHAC1 was revealed by coimmunoprecipitation and confocal microscopy. MIA3 expression was upregulated in HCC organizations and HCC samples in the TCGA dataset. Knocking out MIA3 inhibited the proliferation, migration, and invasion of Hep-G2 cells and promoted the apoptosis of Hep-G2 cells. Overexpression of MIA3 in Huh7 cells promoted the proliferation, migration, and invasion and suppressed the apoptosis of Huh7 cells. Overexpression of MIA3 promoted the expression of CHAC1 and the degradation of glutathione (GSH), thereby promoting the growth and metastasis of HCC cells. Knocking out MIA3 inhibited the expression of CHAC1 and slowed the degradation of glutathione, thereby inhibiting the growth and metastasis of HCC cells. MIA3 further promotes the growth, metastasis, and invasion of hepatoma cells by binding to the CHAC1 protein and promoting GSH degradation.
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Affiliation(s)
- Zhou Wanbiao
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 28 Guiyi Street, Guiyang, Guizhou, People's Republic of China
- School of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Man Jing
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 28 Guiyi Street, Guiyang, Guizhou, People's Republic of China
- School of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Zuo Shi
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 28 Guiyi Street, Guiyang, Guizhou, People's Republic of China
| | - Chen Tengxiang
- School of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Zhao Xueke
- Department of Infectious Diseases, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou, People's Republic of China.
| | - Li Haiyang
- Department of Hepatobiliary Surgery, The Affiliated Hospital of Guizhou Medical University, 28 Guiyi Street, Guiyang, Guizhou, People's Republic of China.
- School of Clinical Medicine, Guizhou Medical University, Guiyang, Guizhou, People's Republic of China.
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22
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Zhang XD, Liu ZY, Wang MS, Guo YX, Wang XK, Luo K, Huang S, Li RF. Mechanisms and regulations of ferroptosis. Front Immunol 2023; 14:1269451. [PMID: 37868994 PMCID: PMC10587589 DOI: 10.3389/fimmu.2023.1269451] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/25/2023] [Indexed: 10/24/2023] Open
Abstract
Regulation of cell mortality for disease treatment has been the focus of research. Ferroptosis is an iron-dependent regulated cell death whose mechanism has been extensively studied since its discovery. A large number of studies have shown that regulation of ferroptosis brings new strategies for the treatment of various benign and malignant diseases. Iron excess and lipid peroxidation are its primary metabolic features. Therefore, genes involved in iron metabolism and lipid metabolism can regulate iron overload and lipid peroxidation through direct or indirect pathways, thereby regulating ferroptosis. In addition, glutathione (GSH) is the body's primary non-enzymatic antioxidants and plays a pivotal role in the struggle against lipid peroxidation. GSH functions as an auxiliary substance for glutathione peroxidase 4 (GPX4) to convert toxic lipid peroxides to their corresponding alcohols. Here, we reviewed the researches on the mechanism of ferroptosis in recent years, and comprehensively analyzed the mechanism and regulatory process of ferroptosis from iron metabolism and lipid metabolism, and then described in detail the metabolism of GPX4 and the main non-enzymatic antioxidant GSH in vivo.
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Affiliation(s)
- Xu-Dong Zhang
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhong-Yuan Liu
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mao-Sen Wang
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yu-Xiang Guo
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiang-Kun Wang
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Kai Luo
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shuai Huang
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ren-Feng Li
- Departments of Hepatobiliary and Pancreatic Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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23
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Pan M, Wang Z, Wang Y, Jiang X, Fan Y, Gong F, Sun Y, Wang D. Celastrol alleviated acute kidney injury by inhibition of ferroptosis through Nrf2/GPX4 pathway. Biomed Pharmacother 2023; 166:115333. [PMID: 37598476 DOI: 10.1016/j.biopha.2023.115333] [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: 05/25/2023] [Revised: 08/05/2023] [Accepted: 08/13/2023] [Indexed: 08/22/2023] Open
Abstract
Ferroptosis is an important pathological process in acute kidney injury (AKI) which could lead to chronic kidney disease (CKD) and end-stage renal disease (ESRD). As an active ingredient of Chinese medicine Tripterygium wilfordii, celastrol has been reported to alleviate inflammation and preclinical studies have confirmed its anticancer effect. In the present study, we investigated the renal protective effects of celastrol against cisplatin induced AKI. Mice were administrated cisplatin by intraperitoneal injection and we found that celastrol reduced serum levels of BUN and creatinine, inhibited renal dysfunction, inflammation and oxidative stress. In addition, renal iron accumulation and ferroptosis were significantly reduced by celastrol treatment. Further mechanistic analyses suggested that Nrf2 is essential for celastrol upregulated GPX4 to alleviate ferroptosis and reduction of LDH release, intracellular iron accumulation and lipid peroxidation. These findings expand the potential uses of celastrol for treatment of various kinds of AKI associated with ferroptosis.
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Affiliation(s)
- Minling Pan
- School of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Zhen Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yiyi Wang
- School of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Xianqin Jiang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yali Fan
- School of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Fanghua Gong
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Yunpeng Sun
- The First Affiliated Hospital of Wenzhou Medical University, China.
| | - Dezhong Wang
- School of Life and Environmental Science, Wenzhou University, Wenzhou, Zhejiang 325035, China; The First Affiliated Hospital of Wenzhou Medical University, China.
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24
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Huang W, Chen H, He Q, Xie W, Peng Z, Ma Q, Huang Q, Chen Z, Liu Y. Nobiletin protects against ferroptosis to alleviate sepsis-associated acute liver injury by modulating the gut microbiota. Food Funct 2023; 14:7692-7704. [PMID: 37545398 DOI: 10.1039/d3fo01684f] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Nobiletin (NOB), a plant-based polymethoxyflavone, is a promising protective agent against sepsis; yet the mechanisms were not fully elucidated. The gut microbiota is found to be strongly associated with sepsis-associated acute liver injury (SALI). Here, our study aimed to evaluate the protective effect of NOB on SALI and explore the underlying molecular mechanisms. Cecal ligation and puncture (CLP) was used to induce SALI in mice. NOB was administered by gavage for 7 days before CLP induction. The 16S rRNA gene sequencing and fecal microbiota transplantation (FMT) were performed to verify the function of the gut microbiota. The markers of ferroptosis, inflammation, gut microbiota composition, and liver injury were determined. NOB administration significantly alleviated hepatic ferroptosis and inflammation in septic mice. Meanwhile, NOB upregulated the expression levels of nuclear factor E2-related factor 2 (Nrf2) and its downstream protein heme oxygenase-1 (HO-1). The protective effect of NOB administration against ferroptosis in SALI mice was reversed by the Nrf2 inhibitor ML385. Additionally, increased abundances of Ligilactobacillus, Akkermansia, and Lactobacillus, and decreased abundances of Dubosiella and Bacteroides in the gut were observed under NOB administration, suggesting that NOB might modulate the gut microbiota composition of septic mice. Furthermore, gut microbiota ablation by antibiotic treatment partly reversed the protective effects of NOB on sepsis. FMT also confirmed that NOB inhibited ferroptosis and activated Nrf2 signalling in SALI mice by modulating the gut microbiota. These results revealed that, by modulating the gut microbiota, NOB attenuated ferroptosis in septic liver injury through upregulating Nrf2-Gpx4. Our findings provide novel insights into microbiome-based therapeutic approaches for sepsis.
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Affiliation(s)
- Wei Huang
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Hui Chen
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Qi He
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, Guangzhou, China
| | - Weidang Xie
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Zanlin Peng
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Qiang Ma
- Department of Biopharmaceutics, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, China
| | - Qiaobing Huang
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Southern Medical University, Guangzhou, China
| | - Zhongqing Chen
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Yanan Liu
- Department of Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Xu J, Zhao L, Zhang X, Ying K, Zhou R, Cai W, Wu X, Jiang H, Xu Q, Miao D, Zeng Y, Yu F. Salidroside ameliorates acetaminophen-induced acute liver injury through the inhibition of endoplasmic reticulum stress-mediated ferroptosis by activating the AMPK/SIRT1 pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115331. [PMID: 37556956 DOI: 10.1016/j.ecoenv.2023.115331] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 07/14/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023]
Abstract
Acetaminophen (APAP) overdose has long been considered a major cause of drug-induced liver injury. Ferroptosis is a type of programmed cell death mediated by iron-dependent lipid peroxidation. Endoplasmic reticulum (ER) stress is a systemic response triggered by the accumulation of unfolded or misfolded proteins in the ER. Ferroptosis and ER stress have been proven to contribute to the progression of APAP-induced acute liver injury (ALI). It was reported that salidroside protects against APAP-induced ALI, but the potential mechanism remain unknown. In this study, male C57BL/6 J mice were intraperitoneally (i.p.) injected APAP (500 mg/kg) to induce an ALI model. Salidroside was i.p. injected at a dose of 100 mg/kg 2 h prior to APAP administration. Mice were sacrificed 12 h after APAP injection and the liver and serum of the mice were obtained for histological and biochemistry analysis. AML12 cells were used in in vitro assays. The results indicated that salidroside mitigated glutathione degradation via inhibiting cation transport regulator homolog 1 (CHAC1) to attenuate ferroptosis, and simultaneously suppressing PERK-eIF2α-ATF4 axis-mediated ER stress, thus alleviating APAP-induced ALI. However, PERK activator CCT020312 and overexpression of ATF4 inhibited the protective function of salidroside on CHAC1-mediated ferroptosis. Besides this, activation of the AMPK/SIRT1 signaling pathway by salidroside was demonstrated to have a protective effect against APAP-induced ALI. Interestingly, selective inhibition of SIRT1 ameliorated the protective effects of salidroside on ER stress and ferroptosis. Overall, salidroside plays a significant part in the mitigation of APAP-induced ALI by activating the AMPK/SIRT1 signaling to inhibit ER stress-mediated ferroptosis in the ATF4-CHAC1 axis.
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Affiliation(s)
- Jun Xu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Luying Zhao
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiangting Zhang
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Kanglei Ying
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ruoru Zhou
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Weimin Cai
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiao Wu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Haoran Jiang
- Department of Urology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qian Xu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Dan Miao
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuan Zeng
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Fujun Yu
- Department of Gastroenterology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Zhang D, Shi C, Zhang Q, Wang Y, Guo J, Gong Z. Inhibition of GSK3β activity alleviates acute liver failure via suppressing multiple programmed cell death. J Inflamm (Lond) 2023; 20:24. [PMID: 37443080 PMCID: PMC10347874 DOI: 10.1186/s12950-023-00350-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/30/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Acute liver failure (ALF) is one of the most common life-threatening diseases in adults without previous liver disease. Glycogen synthase kinase 3β (GSK3β) is a serine/threonine protein kinase that is widely distributed in the cells. Inhibition of its activity can inhibit cell death and promote autophagy through various pathways, thus providing a protective effect. In this study, we aimed to investigate the effect on ALF after inhibition of GSK3β and its potential mechanisms. METHODS D- galactosamine(D-Gal) in combination with lipopolysaccharide(LPS) was used to induce ALF in vitro and in vivo. And then GSK3β inhibitor TDZD-8 was used to explore the protective effect against ALF. After TDZD-8 treatment TUNEL staining and flow techniques were used to detect the proportion of apoptosis in liver tissues and cells respectively, while western blotting and immunofluorescence assays were performed to detect the expression levels of apoptosis, pyroptosis and necroptosis-related proteins in tissues and cells. In addition, western blotting was performed to explore the specific mechanism of hepatoprotective effect after GSK3β inhibition to detect the expression levels of TAK1, TRAF6 and HDAC3 after TRAF6 and HDAC3 inhibition alone. The co-localization of TRAF6 and HDAC3 in vitro was detected by immunofluorescence, while the interaction between TRAF6 and HDAC3 was detected by immunoprecipitation assay. RESULTS Both in vivo and in vitro experiments, GSK3β inhibitor TDZD-8 can significantly alleviate the progression of ALF. Inhibition of GSK3β activity could significantly reduce the level of hepatocyte apoptosis, pyroptosis, necroptosis and improve liver dysfunction and tissue damage. Furthermore, we found that hepatocyte TAK1 and TRAF6 levels decreased and HDAC3 levels increased in ALF, whereas inhibition of GSK3β upregulated TAK1 and TRAF6 levels and decreased HDAC3 expression. CONCLUSION GSK3β inhibitor TDZD-8 can prevent the progression of ALF, and its action may involve the TRAF6/HDAC3/TAK1 pathway.
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Affiliation(s)
- Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Qingqi Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Yukun Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Jin Guo
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei province, 430060, China.
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Lu Y, Hu J, Chen L, Li S, Yuan M, Tian X, Cao P, Qiu Z. Ferroptosis as an emerging therapeutic target in liver diseases. Front Pharmacol 2023; 14:1196287. [PMID: 37256232 PMCID: PMC10225528 DOI: 10.3389/fphar.2023.1196287] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 05/02/2023] [Indexed: 06/01/2023] Open
Abstract
Ferroptosis is an iron-dependently nonapoptotic cell death characterized by excessive accumulation of lipid peroxides and cellular iron metabolism disturbances. Impaired iron homeostasis and dysregulation of metabolic pathways are contributors to ferroptosis. As a major metabolic hub, the liver synthesizes and transports plasma proteins and endogenous fatty acids. Also, it acts as the primary location of iron storage for hepcidin generation and secretion. To date, although the intricate correlation between ferroptosis and liver disorders needs to be better defined, there is no doubt that ferroptosis participates in the pathogenesis of liver diseases. Accordingly, pharmacological induction and inhibition of ferroptosis show significant potential for the treatment of hepatic disorders involved in lipid peroxidation. In this review, we outline the prominent features, molecular mechanisms, and modulatory networks of ferroptosis and its physiopathologic functions in the progression of liver diseases. Further, this review summarizes the underlying mechanisms by which ferroptosis inducers and inhibitors ameliorate liver diseases. It is noteworthy that natural active ingredients show efficacy in preclinical liver disease models by regulating ferroptosis. Finally, we analyze crucial concepts and urgent issues concerning ferroptosis as a novel therapeutic target in the diagnosis and therapy of liver diseases.
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Affiliation(s)
- Yuzhen Lu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Junjie Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Liang Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Shan Li
- Hubei Key Laboratory of Wudang Local Chinese Medicine Research, Hubei University of Medicine, Shiyan, China
- Department of Biochemistry, Institute of Basic Medical Sciences, Hubei University of Medicine, Shiyan, China
| | - Ming Yuan
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Xianxiang Tian
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
| | - Peng Cao
- Department of Pharmacy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenpeng Qiu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, China
- Hubei Key Laboratory of Resources and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, China
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Ma DY, Liu JX, Wang LD, Zhi XY, Luo L, Zhao JY, Qin Y. GSK-3β-dependent Nrf2 antioxidant response modulates ferroptosis of lens epithelial cells in age-related cataract. Free Radic Biol Med 2023; 204:161-176. [PMID: 37156294 DOI: 10.1016/j.freeradbiomed.2023.04.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 04/05/2023] [Accepted: 04/29/2023] [Indexed: 05/10/2023]
Abstract
Oxidative stress-induced lens epithelial cells (LECs) death plays a pivotal role in age-related cataract (ARC) with severe visual impairment, in which ferroptosis is gradually receiving numerous attention resulting from lipid peroxide accumulation and reactive oxygen species (ROS) overproduction. However, the essential pathogenic factors and the targeted medical strategies still remain skeptical and indistinct. In this work, by transmission electron microscopy (TEM) analysis, the major pathological courses in the LECs of ARC patients have been identified as ferroptosis, which was manifested with remarkable mitochondrial alterations, and similar results were found in aged mice (24-month-old). Furthermore, the primary pathological processes in the NaIO3-induced mice and HLE-B3 cell model have also been verified to be ferroptosis with an irreplaceable function of Nrf2, proved by the increased sensitivity to ferroptosis when Nrf2 was blocked in Nrf2-KO mice and si-Nrf2-treated HLE-B3 cells. Importantly, it has been found that an increased expression of GSK-3β was indicated in low-Nrf2-expressed tissues and cells. Subsequently, the contributions of abnormal GSK-3β expression to NaIO3-induced mice and HLE-B3 cell model were further evaluated, inhibition of GSK-3β utilizing SB216763 significantly alleviated LECs ferroptosis with less iron accumulation and ROS generation, as well as reversed expression alterations of ferroptosis markers, including GPX4, SLC7A11, SLC40A1, FTH1 and TfR1, in vitro and in vivo. Collectively, our findings conclude that targeting GSK-3β/Nrf2 balance might be a promising therapeutic strategy to mitigate LECs ferroptosis and thus probably delay the pathogenesis and development of ARC.
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Affiliation(s)
- Dong-Yue Ma
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Jin-Xia Liu
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Lu-di Wang
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Xin-Yu Zhi
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Li Luo
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Jiang-Yue Zhao
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China
| | - Yu Qin
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Eye Hospital of China Medical University, Key Lens Research Laboratory of Liaoning Province, Shenyang City, Liaoning Province, 110005, PR China.
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He X, Liang SM, Wang HQ, Tao L, Sun FF, Wang Y, Zhang C, Huang YC, Xu DX, Chen X. Mitoquinone protects against acetaminophen-induced liver injury in an FSP1-dependent and GPX4-independent manner. Toxicol Appl Pharmacol 2023; 465:116452. [PMID: 36894071 DOI: 10.1016/j.taap.2023.116452] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/09/2023]
Abstract
Mitochondrial oxidative stress has been a crucial mediator in acetaminophen (APAP)-induced hepatotoxicity. MitoQ, an analog of coenzyme Q10, is targeted towards mitochondria and acts as a potent antioxidant. This study aimed to explore the effect of MitoQ on APAP-induced liver injury and its possible mechanisms. To investigate this, CD-1 mice and AML-12 cells were treated with APAP. Hepatic MDA and 4-HNE, two markers of lipid peroxidation (LPO), were elevated as early as 2 h after APAP. Oxidized lipids were rapidly upregulated in APAP-exposed AML-12 cells. Hepatocyte death and mitochondrial ultrastructure alterations were observed in APAP-induced acute liver injury. The in vitro experiments showed that mitochondrial membrane potentials and OXPHOS subunits were downregulated in APAP-exposed hepatocytes. MtROS and oxidized lipids were elevated in APAP-exposed hepatocytes. We discovered that APAP-induced hepatocyte death and liver injury were ameliorated by attenuation of protein nitration and LPO in MitoQ-pretreated mice. Mechanistically, knockdown of GPX4, a key enzyme for LPO defense systems, exacerbated APAP-induced oxidized lipids, but did not influence the protective effect of MitoQ on APAP-induced LPO and hepatocyte death. Whereas knockdown of FSP1, another key enzyme for LPO defense systems, had little effect on APAP-induced lipid oxidation but partially weakened the protection of MitoQ on APAP-induced LPO and hepatocyte death. These results suggest that MitoQ may alleviate APAP-evoked hepatotoxicity by eliminating protein nitration and suppressing hepatic LPO. MitoQ prevents APAP-induced liver injury partially dependent of FSP1 and independent of GPX4.
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Affiliation(s)
- Xue He
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Shi-Min Liang
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Hong-Qian Wang
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Li Tao
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Fei-Fei Sun
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Yan Wang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Cheng Zhang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Yi-Chao Huang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - De-Xiang Xu
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China.
| | - Xi Chen
- Department of Gastroenterology, Anhui Provincial Key Laboratory of Digestive Disease, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China.
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Guo G, Yang W, Sun C, Wang X. Dissecting the potential role of ferroptosis in liver diseases: an updated review. Free Radic Res 2023; 57:282-293. [PMID: 37401821 DOI: 10.1080/10715762.2023.2232941] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/21/2023] [Accepted: 06/29/2023] [Indexed: 07/05/2023]
Abstract
Ferroptosis is a novel form of cell death, manifested by iron-dependent, non-apoptotic manner resulting from the intracellular accumulation of large clusters of reactive oxygen species (ROS) and lipid peroxides due to abnormal iron metabolism. Since the liver is the main organ of human body for storing iron, it is essential to perform in-depth investigation on the role and mechanistic basis of ferroptosis in the context of divergent liver diseases. We previously summarized the emerging role of ferroptosis among various liver diseases, however, the past few years have been a surge in research establishing ferroptosis as the molecular basis or treatment option. This review article concentrated on the accumulating research progress of ferroptosis in a range of liver diseases such as acute liver injury/failure (ALI/ALF), immune-mediated hepatitis, alcoholic liver disease (ALD), nonalcoholic fatty liver disease and liver fibrosis. Ferroptosis may be a promising target for the prevention and treatment of various liver diseases, providing a strategy for exploring new therapeutic avenues for these entities.
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Affiliation(s)
- Gaoyue Guo
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Digestive Disease, Tianjin Medical University General Hospital, Tianjin, China
| | - Wanting Yang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Digestive Disease, Tianjin Medical University General Hospital, Tianjin, China
| | - Chao Sun
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Digestive Disease, Tianjin Medical University General Hospital, Tianjin, China
- Department of Gastroenterology, Tianjin Medical University General Hospital Airport Hospital, Tianjin, China
| | - Xiaoyu Wang
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Institute of Digestive Disease, Tianjin Medical University General Hospital, Tianjin, China
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31
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Dong C, Song C, He Z, Song Q, Song T, Liu J, Xiong Y, Su X, Zhou J, Yang S, Liao W. Protective efficacy of Schizandrin B on ameliorating nephrolithiasis via regulating GSK3β/Nrf2 signaling-mediated ferroptosis in vivo and in vitro. Int Immunopharmacol 2023; 117:110042. [PMID: 36940552 DOI: 10.1016/j.intimp.2023.110042] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/25/2023] [Accepted: 03/12/2023] [Indexed: 03/23/2023]
Abstract
Schizandrin B (SchB) protects against oxidative, inflammatory, and ferroptotic injury. Oxidative stress and inflammation are indispensably involved in nephrolithiasis and ferroptosis also plays an important role in stone formation. It is unclear whether SchB can ameliorate nephrolithiasis; its underlying mechanism is also unknown. First, we employed bioinformatics to investigate the mechanisms of nephrolithiasis. To evaluate the efficacy of SchB, HK-2 cell models of oxalate-induced damage, Erastin-induced ferroptosis, and the Sprague Dawley rat model of Ethylene Glycol-induced nephrolithiasis were established. Then, Nrf2 siRNA and GSK3β overexpression plasmids were transfected into HK-2 cells to elucidate the role of SchB in regulating oxidative stress-mediated ferroptosis. In our study, oxidative stress and inflammation were strongly associated with nephrolithiasis. Administration of SchB attenuated the cell viability, dysfunctional mitochondria, oxidative stress and inflammatory response in vitro and alleviated renal injury and crystal deposition in vivo. SchB treatment also reduced the levels of cellular Fe2+ accumulation, lipid peroxidation and MDA, and regulated ferroptosis-related proteins, including XCT, GPX4, FTH1 and CD71, in Erastin-induced or oxalate-induced HK-2 cells. Mechanistically, SchB facilitated Nrf2 nuclear translocation, and silencing Nrf2 or overexpressing GSK3β worsened oxalate-induced oxidative injury and abolished the beneficial effect of SchB against ferroptosis in vitro. To summarize, SchB could alleviate nephrolithiasis by positively regulating GSK3β/Nrf2 signaling-mediated ferroptosis.
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Affiliation(s)
- Caitao Dong
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Chao Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Ziqi He
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Qianlin Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Tianbao Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Junwei Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Yunhe Xiong
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Xiaozhe Su
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Jiawei Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Sixing Yang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China.
| | - Wenbiao Liao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China.
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Mann JP, Lenz D, Stamataki Z, Kelly D. Common mechanisms in pediatric acute liver failure. Trends Mol Med 2023; 29:228-240. [PMID: 36496278 DOI: 10.1016/j.molmed.2022.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/06/2022] [Accepted: 11/14/2022] [Indexed: 12/12/2022]
Abstract
Acute liver failure (ALF) is a rare but potentially fatal disease in children. The etiology is multifactorial, including infection, autoimmune, and genetic disorders, as well as indeterminate hepatitis, which has a higher requirement for liver transplantation. Activation of the innate and adaptive immune systems leads to hepatocyte-specific injury which is mitigated by T regulatory cell activation. Recovery of the native liver depends on activation of apoptotic and regenerative pathways, including the integrated stress response (ISR; e.g., PERK), p53, and HNF4α. Loss-of-function mutations in these pathways cause recurrent ALF in response to non-hepatotropic viruses. Deeper understanding of these mechanisms will lead to improved diagnosis, management, and outcomes for pediatric ALF.
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Affiliation(s)
- Jake P Mann
- Liver Unit, Birmingham Women's and Children's Hospital, and University of Birmingham, Birmingham, UK
| | - Dominic Lenz
- Division of Neuropediatrics and Pediatric Metabolic Medicine, Center for Pediatric and Adolescent Medicine, University Hospital Heidelberg, Heidelberg, Germany
| | - Zania Stamataki
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
| | - Deirdre Kelly
- Liver Unit, Birmingham Women's and Children's Hospital, and University of Birmingham, Birmingham, UK; Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK.
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Yu C, Chen P, Miao L, Di G. The Role of the NLRP3 Inflammasome and Programmed Cell Death in Acute Liver Injury. Int J Mol Sci 2023; 24:ijms24043067. [PMID: 36834481 PMCID: PMC9959699 DOI: 10.3390/ijms24043067] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/25/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
Acute liver injury (ALI) is a globally important public health issue that, when severe, rapidly progresses to acute liver failure, seriously compromising the life safety of patients. The pathogenesis of ALI is defined by massive cell death in the liver, which triggers a cascade of immune responses. Studies have shown that the aberrant activation of the nod-like receptor protein 3 (NLRP3) inflammasome plays an important role in various types of ALI and that the activation of the NLRP3 inflammasome causes various types of programmed cell death (PCD), and these cell death effectors can in turn regulate NLRP3 inflammasome activation. This indicates that NLRP3 inflammasome activation is inextricably linked to PCD. In this review, we summarize the role of NLRP3 inflammasome activation and PCD in various types of ALI (APAP, liver ischemia reperfusion, CCl4, alcohol, Con A, and LPS/D-GalN induced ALI) and analyze the underlying mechanisms to provide references for future relevant studies.
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Affiliation(s)
- Chaoqun Yu
- School of Basic Medicine, College of Medicine, Qingdao University, Qingdao 266071, China
| | - Peng Chen
- School of Basic Medicine, College of Medicine, Qingdao University, Qingdao 266071, China
| | - Longyu Miao
- School of Basic Medicine, College of Medicine, Qingdao University, Qingdao 266071, China
| | - Guohu Di
- School of Basic Medicine, College of Medicine, Qingdao University, Qingdao 266071, China
- Institute of Stem Cell and Regenerative Medicine, School of Basic Medicine, Qingdao University, Qingdao 266071, China
- Correspondence: ; Tel.: +86-532-83780012; Fax: +86-532-83780010
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Dehydroeburicoic Acid, a Dual Inhibitor against Oxidative Stress in Alcoholic Liver Disease. Pharmaceuticals (Basel) 2022; 16:ph16010014. [PMID: 36678511 PMCID: PMC9866905 DOI: 10.3390/ph16010014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/04/2022] [Accepted: 12/08/2022] [Indexed: 12/25/2022] Open
Abstract
Alcoholic liver disease (ALD) is a complicated disease which can lead to hepatocellular carcinoma; however, there is a lack of satisfactory therapeutics. Dehydroeburicoic acid (DEA) (1), a triterpenoid isolated from Antrodia cinnamomea, has been reported to act against ALD, but its mechanisms of action are still not clear. In this study, we report for the first time the use of DEA (1) as a dual inhibitor of the Keap1-Nrf2 protein-protein interaction (PPI) and GSK3β in an in vitro ALD cell model. DEA (1) engages Keap1 to disrupt the Keap1-Nrf2 PPI and inhibits GSK3β to restore Nrf2 activity in a Keap1-independent fashion. DEA (1) promotes Nrf2 nuclear translocation to activate downstream antioxidant genes. Importantly, DEA (1) restores the mitochondrial dysfunction induced by ethanol and generates antioxidant activity in the ALD cell model with minimal toxicity. We anticipate that DEA (1) could be a potential scaffold for the further development of clinical agents for treating ALD.
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Didamoony MA, Atwa AM, Abd El-Haleim EA, Ahmed LA. Bromelain ameliorates D-galactosamine-induced acute liver injury: role of SIRT1/LKB1/AMPK, GSK3β/Nrf2 and NF-κB p65/TNF-α/caspase-8, -9 signalling pathways. J Pharm Pharmacol 2022; 74:1765-1775. [PMID: 36227279 DOI: 10.1093/jpp/rgac071] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2022] [Indexed: 11/14/2022]
Abstract
OBJECTIVES The present research focused on estimating, for the first time, the potential protective effects of bromelain against D-galactosamine-induced acute liver injury in rats as well as identifying the possible underlying mechanisms. METHODS Silymarin (100 mg/kg/day, p.o.) as a reference drug or bromelain (20 and 40 mg/kg/day, p.o.) were administered for 10 days, and on the 8th day of the experiment, a single dose of galactosamine (400 mg/kg/i.p.) induced acute liver injury. KEY FINDINGS Pretreatment with bromelain improved liver functions and histopathological alterations induced by galactosamine. Bromelain ameliorated oxidative stress by inducing SIRT1 protein expression and increasing LKB1 content. This resulted in phosphorylating the AMPK/GSK3β axis, which stimulated Nrf2 activation in hepatic cells and thus increased the activity of its downstream antioxidant enzymes [HO-1 and NQO1]. Besides, bromelain exerted significant anti-apoptotic and anti-inflammatory effects by suppressing hepatic contents of TNF-α, NF-κB p65, as well as caspase-8 and caspase-9. The protective effects of bromelain40 were proved to be better than silymarin and bromelain20 in most of the assessed parameters. CONCLUSIONS Our results highlight the significant hepatoprotective effects of bromelain against acute liver injury through modulation of SIRT1/LKB1/AMPK, GSK3β/Nrf2 signalling in addition to NF-κB p65/TNF-α/ caspase-8 and -9 pathway.
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Affiliation(s)
- Manar A Didamoony
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Egyptian Russian University, Egypt
| | - Ahmed M Atwa
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Egyptian Russian University, Egypt
| | - Enas A Abd El-Haleim
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, Egypt
| | - Lamiaa A Ahmed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, Egypt
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Liu X, Wang S, Jin S, Huang S, Liu Y. Vitamin D 3 attenuates cisplatin-induced intestinal injury by inhibiting ferroptosis, oxidative stress, and ROS-mediated excessive mitochondrial fission. Food Funct 2022; 13:10210-10224. [PMID: 36111853 DOI: 10.1039/d2fo01028c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Intestinal injury is one of the main side-effects of cisplatin (CP) chemotherapy, severely limiting the clinical application of CP. Vitamin D3 is an essential nutrient for mammals and exists in a wide range of foods; it regulates immune function and reduces oxidative stress. However, the effect of vitamin D3 on CP-induced intestinal injury is not elucidated. This is the first study to investigate the relationship between ferroptosis and the protective effect of vitamin D3 on CP-induced intestinal injury. An animal model of CP-induced intestinal injury was established to evaluate the effect of vitamin D3 on CP-induced intestinal injury and elucidate the underlying mechanisms. We found that vitamin D3 alleviated intestinal barrier injury and the abnormal morphological structure in CP-induced intestinal injury mice. Vitamin D3 suppressed oxidative stress by increasing the antioxidant capacity, inhibiting the accumulation of ROS and MDA, and reducing intestinal inflammatory responses. Vitamin D3 also decreased excessive mitochondrial fission and increased mitochondrial ATPase activity by inhibiting ROS production, which further alleviated the accumulation of ROS. We also confirmed the involvement of ferroptosis in CP-induced intestinal injury in our animal model using ferrostatin-1 (Fer-1) intervention. Vitamin D3 decreased iron accumulation and reversed GPX4 and DHODH down-regulation. In conclusion, vitamin D3 protected against CP-induced intestinal injury by inhibiting ferroptosis and alleviating oxidative stress and ROS-mediated excessive mitochondrial fission, suggesting that it may be a novel and promising candidate to prevent CP-induced intestinal injury.
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Affiliation(s)
- Xingyao Liu
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Shuang Wang
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Shengzi Jin
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Siqi Huang
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
| | - Yun Liu
- Heilongjiang Provincial Key Laboratory of Pathogenic Mechanism for Animal Disease and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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37
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Alanyl-Glutamine Protects against Lipopolysaccharide-Induced Liver Injury in Mice via Alleviating Oxidative Stress, Inhibiting Inflammation, and Regulating Autophagy. Antioxidants (Basel) 2022; 11:antiox11061070. [PMID: 35739966 PMCID: PMC9220087 DOI: 10.3390/antiox11061070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 12/23/2022] Open
Abstract
Acute liver injury is a worldwide problem with a high rate of morbidity and mortality, and effective pharmacological therapies are still urgently needed. Alanyl-glutamine (Ala-Gln), a dipeptide formed from L-alanine and L-glutamine, is known as a protective compound that is involved in various tissue injuries, but there are limited reports regarding the effects of Ala-Gln in acute liver injury. This present study aimed to investigate the protective effects of Ala-Gln in lipopolysaccharide (LPS)-induced acute liver injury in mice, with a focus on inflammatory responses and oxidative stress. The acute liver injury induced using LPS (50 μg/kg) and D-galactosamine (D-Gal) (400 mg/kg) stimulation in mice was significantly attenuated after Ala-Gln treatment (500 and 1500 mg/kg), as evidenced by reduced plasma alanine transaminase (ALT) (p < 0.01, p < 0.001), aspartate transaminase (AST) (p < 0.05, p < 0.001), and lactate dehydrogenase (LDH) (p < 0.01, p < 0.001) levels, and accompanied by improved histopathological changes. In addition, LPS/D-Gal-induced hepatic apoptosis was also alleviated by Ala-Gln administration, as shown by a greatly decreased ratio of TUNEL-positive hepatocytes, from approximately 10% to 2%, and markedly reduced protein levels of cleaved caspase-3 (p < 0.05, p < 0.001) in liver. Moreover, we found that LPS/D-Gal-triggered oxidative stress was suppressed after Ala-Gln treatment, the effect of which might be dependent on the elevation of SOD and GPX activities, and on GSH levels in liver. Interestingly, we observed that Ala-Gln clearly inhibited LPS/D-Gal exposure-induced macrophage accumulation and the production of proinflammatory factors in the liver. Furthermore, Ala-Gln greatly regulated autophagy in the liver in LPS/D-Gal-treated mice. Using RAW264.7 cells, we confirmed the anti-inflammatory role of Ala-Gln-targeting macrophages.
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