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Li W, Zhang W, Zhang D, Shi C, Wang Y. Effect of lipopolysaccharide on TAK1-mediated hepatocyte PANoptosis through Toll-like receptor 4 during acute liver failure. Int Immunopharmacol 2024; 129:111612. [PMID: 38335652 DOI: 10.1016/j.intimp.2024.111612] [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: 10/13/2023] [Revised: 01/24/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Intestinal endotoxemia (IETM) is an important pathogenic mechanism of acute liver failure (ALF), and TAK1-mediated PANoptosis is a novel cell death mode. This study investigated whether IETM can induce hepatocyte PANoptosis during ALF. METHOD PANoptosis cell and mouse models were generated, and lentiviruses (LVs), adeno-associated viral vectors (AVVs), and small interfering RNAs (siRNAs) were subsequently used to overexpress or knock down TLR and TAK1. Then, the levels of hepatocyte injury, TLR4, TAK1 and PANoptosis were detected via an enzyme-labeling instrument, tissue staining, RT-PCR, western blotting, immunofluorescence, and flow cytometry. RESULTS The BioGRID database search revealed that TAK1 might interact with TLR4. According to the in vivo experiments, compared with those in ALF mice, liver tissue damage, hepatocyte mortality and PANoptosis in mice in the AAV-TAK1 group were significantly lower, and liver function was significantly improved. According to the in vitro experiments, after promoting the expression of TLR4 in the model group, the degree of cell damage, TLR4 expression and PANoptosis further increased, while the level of TAK1 further decreased. The opposite result was obtained when TLR4 expression was inhibited. The increase in TAK1 expression in the model group reduced the degree of cell damage and PANoptosis, but the level of TLR4 was not significantly changed. In the model group of cells that exhibited TAK1 expression, further promotion of TLR4 expression inhibited the protective effect of TAK1 on cells. In the model group of cells after TAK1 expression was promoted, if the expression of TLR4 was further promoted, the protective effect of TAK1 on cells was inhibited. CONCLUSION IETM inhibited the expression of TAK1 by binding to TLR4 molecules and promoting hepatocyte PANoptosis during ALF. Promoting TAK1 expression effectively relieved lipopolysaccharide-induced hepatocyte PANoptosis.
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Affiliation(s)
- Wenyuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Wenbin Zhang
- Department of Cancer Center, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Danmei Zhang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Chunxia Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China.
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Huang Z, Bai Y, Chen Y, Chen Y, Jiang Y, Zhou J. Attenuation of intestinal ischemia-reperfusion-injury by anesthetics: a potentially protective effect of anesthetic management in experimental studies. Front Pharmacol 2024; 15:1367170. [PMID: 38444936 PMCID: PMC10912591 DOI: 10.3389/fphar.2024.1367170] [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: 01/08/2024] [Accepted: 02/08/2024] [Indexed: 03/07/2024] Open
Abstract
Intestinal ischemia-reperfusion injury (IRI) is a potentially severe clinical syndrome after major surgical procedures. In addition to causing intestinal mucosa injury, intestinal IRI further damages distant organs, causing the severity of the condition in patients. So far, effective therapy for intestinal IRI is still absent, and the survival rate of the patients is low. Previous experimental studies have shown that some anesthetics can alleviate intestinal IRI and protect organs while exerting their pharmacological effects, indicating that reasonable perioperative anesthesia management may provide potential benefits for patients to avoid intestinal IRI. These meaningful findings drive scholars to investigate the mechanism of anesthetics in treating intestinal IRI in-depth to discuss the possible new clinical uses. In the present mini-review, we will introduce the protective effects of different anesthetics in intestinal IRI to help us enrich our knowledge in this area.
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Affiliation(s)
- Zhan Huang
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, China
- Department of Anesthesiology, Dazhou Integrated TCM & Western Medicine Hospital, Dazhou Second People’s Hospital, Dazhou, China
| | - Yiping Bai
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, China
| | - Ying Chen
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, China
| | - Ye Chen
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, China
- Department of Traditional Chinese Medicine, The Affiliated Hospital, Southwest Medical University, Luzhou, China
| | - Yuan Jiang
- Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Jun Zhou
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, Southwest Medical University, Luzhou, China
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Li WY, Yang F, Li X, Wang LW, Wang Y. Stress granules inhibit endoplasmic reticulum stress-mediated apoptosis during hypoxia-induced injury in acute liver failure. World J Gastroenterol 2023; 29:1315-1329. [PMID: 36925453 PMCID: PMC10011964 DOI: 10.3748/wjg.v29.i8.1315] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 02/16/2023] [Indexed: 02/28/2023] Open
Abstract
BACKGROUND Stress granules (SGs) could be formed under different stimulation to inhibit cell injury.
AIM To investigate whether SGs could protect hepatocytes from hypoxia-induced damage during acute liver failure (ALF) by reducing endoplasmic reticulum stress (ERS) mediated apoptosis.
METHODS The agonist of SGs, arsenite (Ars) was used to intervene hypoxia-induced hepatocyte injury cellular model and ALF mice models. Further, the siRNA of activating transcription factor 4 (ATF4) and SGs inhibitor anisomycin was then used to intervene in cell models.
RESULTS With the increase of hypoxia time from 4 h to 12 h, the levels of HIF-1α, ERS and apoptosis gradually increased, and the expression of SGs marker G3BP1 and TIA-1 was increased and then decreased. Compared with the hypoxia cell model group and ALF mice model, the levels of HIF-1α, apoptosis and ERS were increased in the Ars intervention group. After siRNA-ATF4 intervention, the level of SGs in cells increased, and the levels of HIF-1α, ERS and apoptosis decreased. Compared with the siRNA-ATF4 group, the levels of G3BP1 in the siRNA-ATF4+anisomycin group were decreased, and the levels of HIF-1α, ERS and apoptosis were increased. Moreover, compared with the ALF group, the degree of liver injury and liver function, the levels of HIF-1α, ERS and apoptosis in the Ars intervention group were decreased, the level of SGs was increased.
CONCLUSION SGs could protect hepatocytes from hypoxia-induced damage during ALF by reducing ERS-mediated apoptosis.
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Affiliation(s)
- Wen-Yuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Fan Yang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Lu-Wen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, China
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Hirota K, Lambert DG. Ketamine; history and role in anesthetic pharmacology. Neuropharmacology 2022; 216:109171. [PMID: 35764129 DOI: 10.1016/j.neuropharm.2022.109171] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/21/2022] [Accepted: 06/23/2022] [Indexed: 12/18/2022]
Abstract
Ketamine (Ket) was developed in 1962 as a less hallucinogenic and shorter acting agent than phencyclidine. It was given to humans for the first time in 1964. However, Ket produces several adverse reactions such as raised intracranial and blood pressures along with seizures, and patients still show low acceptance due to hallucinations. As new volatile and intravenous anesthetic agents with good emergence and favorable side effect profiles were developed, Ket use markedly decreased. In the 1990s, as the ultrashort-acting opioid remifentanil was developed, high dose opioid could be used to reduce surgical stress in highly invasive procedures. However, high dose opioids can produce hyperalgesia and acute tolerance. As Ket can exert anti-hyperalgesic actions, the clinical use of low dose Ket has been reconsidered. Other beneficial effects of Ket such as; analgesia, anti-shock in hemorrhagic and septic insults, anti-inflammatory effects, anti-tumor effects, brain and spinal cord neuroprotection, and bronchodilation, have all been reported. Moreover, this anesthetic agent at low dose has been recently recognized to possess anti-depressive actions. This diverse profile extends Ket far beyond anesthesia practice and the operating room.
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Affiliation(s)
- Kazuyoshi Hirota
- Department of Anesthesiology, Hirosaki University Graduate School of Medicine, Hirosaki, 036-8562, Japan.
| | - David G Lambert
- Department of Cardiovascular Sciences (Anaesthesia, Critical Care and Pain Management), University of Leicester, Hodgkin Building, Leicester, LE1 9HN, UK
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Ketamine administration ameliorates anesthesia and surgery‑induced cognitive dysfunction via activation of TRPV4 channel opening. Exp Ther Med 2022; 24:478. [PMID: 35761804 PMCID: PMC9214599 DOI: 10.3892/etm.2022.11405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/16/2022] [Indexed: 11/05/2022] Open
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Xiaoming A, Wenbo J, Jinyi W, Bin W, Chunyang H, Qi C, Lianbao K. Macrophage Regnase-1 Deletion Deteriorates Liver Ischemia/Reperfusion Injury Through Regulation of Macrophage Polarization. Front Physiol 2020; 11:582347. [PMID: 33192591 PMCID: PMC7658104 DOI: 10.3389/fphys.2020.582347] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/14/2020] [Indexed: 12/11/2022] Open
Abstract
Background Regnase-1 (MCPIP) has been identified as an anti-inflammatory agent, but little is known about its influence on liver ischemia/reperfusion (I/R) injury. Macrophages can evolve biphasic responses and differentiate into remarkable polarizations, contributing greatly to the uncontrolled inflammatory cascades during liver I/R injury. Therefore, the aim of this study was to explore whether regnase-1 participated in liver I/R via manipulating macrophage polarization. Materials and methods C57BL/6 mice were randomly divided into five groups: Sham, I/R, Clodronate, Clo + BMDM, and Clo + LV MCPIP BMDM. A liver I/R model was established, and histopathological and immunostaining examinations were performed for the liver specimens; double immunofluorescence staining was used to localize MCPIP in the liver. Primary hepatocytes were isolated to simulate a hypoxia and reoxygenation (H/R) model in vitro. Bone marrow-derived macrophages (BMDM) were extracted and subjected to lentiviral transduction to knockdown MCPIP expression. BMDM with or without MCPIP deletion were exposed to H/R supernatants, and the polarized states were measured by flow cytometry. RT-PCR analysis and Western blot were also conducted. Results Compared to those in the Sham group, liver functions and Suzuki’s scores were deteriorated in the I/R group, which were reversed in the Clodronate group. The increased expression of regnase-1 in the I/R group diminished with pretreatment of clodronate liposomes. Subsequent double immunofluorescence staining established the localization of regnase-1 in macrophages in the liver. The insulted lesions in the Clodronate group became progressively aggravated with adoptive transfer of BMDM in the Clo + BMDM group, and they were further exacerbated with the transfusion of BMDM with MCPIP knockdown in the Clo + LV MCPIP BMDM group. Gene expressions of M1 and M2 markers were detected by RT-PCR, suggesting that MCPIP knockdown tended to favor the M1 transformation. Subsequently, ex vivo flow cytometrical detection showed that, upon stimulation by H/R supernatants, LV-MCPIP BMDM posed a higher ratio of M1/M2 than BMDM. Finally, we found that MCPIP participated in macrophage M1/M2 polarization through the NF-κB, C/EBPβ, and PPARγ signaling pathways during liver I/R. Conclusion Our study confirms that regnase-1 plays a critical role in liver I/R via regulation of macrophage polarization and, thus, might offer a potential therapeutic target.
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Affiliation(s)
- Ai Xiaoming
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China
| | - Jia Wenbo
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wang Jinyi
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wu Bin
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hu Chunyang
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chen Qi
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Kong Lianbao
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Cheung HM, Yew DTW. Effects of Perinatal Exposure to Ketamine on the Developing Brain. Front Neurosci 2019; 13:138. [PMID: 30853884 PMCID: PMC6395450 DOI: 10.3389/fnins.2019.00138] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/06/2019] [Indexed: 12/14/2022] Open
Abstract
Initially used as an analgesic and anesthetic, ketamine has unfortunately been abused as a popular recreational party drug due to its psychotropic effects. Over the last decade, ketamine has also emerged as an effective rapid-onset anti-depressant. The increasingly widespread use and misuse of the drug in infants and pregnant women has posed a concern about the neurotoxicity of ketamine to the immature brains of developing fetuses and children. In this review, we summarize recent research findings on major possible mechanisms of perinatal ketamine-induced neurotoxicity. We also briefly summarize the neuroprotective effects of ketamine in the presence of noxious stimuli. Future actions include implementation of more drug abuse education and prevention campaigns to raise the public’s awareness of the harmful effects of ketamine abuse; further investigations to justify the clinical use of ketamine as analgesic, anesthetic and anti-depressant; and further studies to develop alternatives to ketamine or treatments that can alleviate the detrimental effects of ketamine use, especially in infants and pregnant women.
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Affiliation(s)
- Hoi Man Cheung
- School of Chinese Medicine, The Chinese University of Hong Kong, Sha Tin, Hong Kong.,Hong Kong College of Technology, Sha Tin, Hong Kong
| | - David Tai Wai Yew
- School of Chinese Medicine, The Chinese University of Hong Kong, Sha Tin, Hong Kong.,Hong Kong College of Technology, Sha Tin, Hong Kong
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