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Dieu A, Benoit L, Dupont C, de Magnée C, Reding R, Pirotte T, Steyaert A. Sevoflurane preconditioning in living liver donation is associated with better initial graft function after pediatric transplantation: a retrospective study. Perioper Med (Lond) 2024; 13:11. [PMID: 38419073 PMCID: PMC10903053 DOI: 10.1186/s13741-024-00367-x] [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: 08/29/2023] [Accepted: 02/18/2024] [Indexed: 03/02/2024] Open
Abstract
INTRODUCTION Initial allograft function determines the patient's immediate prognosis in pediatric liver transplantation. Ischemia-reperfusion injuries play a role in initial poor graft function (IPGF). In animal studies, preconditioning with inhaled anesthetic agents has demonstrated a protective effect on the liver. In humans, the few available studies are conflicting. This study assesses the association between the hypnotic agent used to maintain anesthesia during hepatectomy in living donors and the occurrence of IPGF after pediatric transplantation. METHODS We conducted a single-center retrospective analysis of children who received a living donor liver transplant (LDLT) between 2010 and 2019. We analyzed the incidence of EAD according to the hypnotic agent used to maintain general anesthesia during donor hepatectomy. RESULTS We included 183 pairs of patients (living donors-recipients). The anesthetics used in the donor were propofol (n = 85), sevoflurane (n = 69), or propofol with sevoflurane started 30 min before clamping (n = 29). Forty-two children (23%) developed IPGF. After multivariate logistic regression analysis, factors significantly associated with the occurrence of IPGF were the anesthesia maintenance agent used in the donor (p = 0.004), age of the donor (p = 0.03), duration of transplant surgery (p = 0.009), preoperative receiver neutrophil to lymphocyte ratio (p = 0.02), and albumin (p = 0.05). CONCLUSION Significantly fewer children who received a graft from a donor in whom only sevoflurane was used to maintain anesthesia developed IPGF. Although additional research is needed, this preconditioning strategy may provide an option to prevent IPGF after living liver donation.
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Affiliation(s)
- Audrey Dieu
- Department of Anesthesiology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Avenue Hippocrate 10, Brussels, 1200, Belgium.
| | - Loïc Benoit
- Department of Anesthesiology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Avenue Hippocrate 10, Brussels, 1200, Belgium
| | - Candice Dupont
- Department of Anesthesiology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Avenue Hippocrate 10, Brussels, 1200, Belgium
| | - Catherine de Magnée
- Department of General and Pediatric Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Raymond Reding
- Department of General and Pediatric Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Thierry Pirotte
- Department of Anesthesiology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Avenue Hippocrate 10, Brussels, 1200, Belgium
| | - Arnaud Steyaert
- Department of Anesthesiology, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Avenue Hippocrate 10, Brussels, 1200, Belgium
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Lisnyy II, Zakalska KA, Burlaka AA, Lysykh SA, Efimenko OV. PREVENTION OF PATHOLOGICAL EFFECT OF ISCHEMIA-REPERFUSION IN LIVER RESECTION BY SEVOFLURANE PRECONDITIONING. Exp Oncol 2023; 45:252-262. [PMID: 37824766 DOI: 10.15407/exp-oncology.2023.02.252] [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: 10/11/2023] [Indexed: 10/14/2023]
Abstract
BACKGROUND The intermittent Pringle maneuver remains the major technique for controlling hemorrhage during liver surgery. Nevertheless, this procedure involves a risk of triggering a cascade of pathological changes resulting in the ischemia-reperfusion injury (I/R) effect. The pharmacological prevention of this I/R injury represents a promising approach. The aim of the study was to compare the effects of pharmacological preconditioning with sevoflurane and propofol-based intravenous anesthesia on the postoperative function of the liver as the primary end-point. MATERIALS AND METHODS A prospective cohort study includes the analysis of the data of 73 patients who underwent liver surgery. In the study group (n = 41), preconditioning with sevoflurane inhalation was provided 30 minutes prior to liver resection. In the control group (n = 32), sevoflurane preconditioning was not provided. The primary endpoints were blood lactate concentration shortly after the surgery and one day later; alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities on postoperative Days 1, 3, and 5 as markers of hepatocyte damage. RESULTS On postoperative Day 1, in patients of the study group, lactate decreased to preoperative levels, while in the control group, lactate content increased as compared to both preoperative levels and the levels immediately after liver resection. A significant difference in AST activity levels between the groups was registered on Day 5, although this difference was not clinically relevant. The decrease in the prothrombin index in the study group on Day 3 was superior to that in the control group. The multiple regression analysis demonstrated a moderate positive association between the number of resected liver segments and the markers of the functional state of the liver in the study group while in the control group, such association was not significant. CONCLUSION The protective effect of sevoflurane on the postoperative function of the liver is manifested by the lower level of blood lactate and the stable level of transaminase activity.
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Affiliation(s)
- I I Lisnyy
- National Cancer Institute, Kyiv, Ukraine
| | | | | | - S A Lysykh
- National Cancer Institute, Kyiv, Ukraine
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Ballók B, Schranc Á, Tóth I, Somogyi P, Tolnai J, Peták F, Fodor GH. Comparison of the respiratory effects of commonly utilized general anaesthesia regimes in male Sprague-Dawley rats. Front Physiol 2023; 14:1249127. [PMID: 37791348 PMCID: PMC10544940 DOI: 10.3389/fphys.2023.1249127] [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: 06/28/2023] [Accepted: 09/05/2023] [Indexed: 10/05/2023] Open
Abstract
Background: Respiratory parameters in experimental animals are often characterised under general anaesthesia. However, anaesthesia regimes may alter the functional and mechanical properties of the respiratory system. While most anaesthesia regimes have been shown to affect the respiratory system, the effects of general anaesthesia protocols commonly used in animal models on lung function have not been systematically compared. Methods: The present study comprised 40 male Sprague-Dawley rats divided into five groups (N = 8 in each) according to anaesthesia regime applied: intravenous (iv) Na-pentobarbital, intraperitoneal (ip) ketamine-xylazine, iv propofol-fentanyl, inhaled sevoflurane, and ip urethane. All drugs were administered at commonly used doses. End-expiratory lung volume (EELV), airway resistance (Raw) and tissue mechanics were measured in addition to arterial blood gas parameters during mechanical ventilation while maintaining positive end-expiratory pressure (PEEP) values of 0, 3, and 6 cm H2O. Respiratory mechanics were also measured during iv methacholine (MCh) challenges to assess bronchial responsiveness. Results: While PEEP influenced baseline respiratory mechanics, EELV and blood gas parameters (p < 0.001), no between-group differences were observed (p > 0.10). Conversely, significantly lower doses of MCh were required to achieve the same elevation in Raw under ketamine-xylazine anaesthesia compared to the other groups. Conclusion: In the most frequent rodent model of respiratory disorders, no differences in baseline respiratory mechanics or function were observed between commonly used anaesthesia regimes. Bronchial hyperresponsiveness in response to ketamine-xylazine anaesthesia should be considered when designing experiments using this regime. The findings of the present study indicate commonly used anaesthetic regimes allow fair comparison of respiratory mechanics in experimental animals undergoing any of the examined anaesthesia protocols.
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Affiliation(s)
- Bence Ballók
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Álmos Schranc
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
- Unit for Anaesthesiological Investigations, Department of Anaesthesiology, Pharmacology, Intensive Care, and Emergency Medicine, University of Geneva, Geneva, Switzerland
| | - Ibolya Tóth
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Petra Somogyi
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
- Department of Cell Biology and Molecular Medicine, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - József Tolnai
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Ferenc Peták
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Gergely H. Fodor
- Department of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
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Wu M, Li A, Guo Y, Cao F, You S, Cao J, Mi W, Tong L. GABAergic neurons in the nucleus accumbens core mediate the antidepressant effects of sevoflurane. Eur J Pharmacol 2023; 946:175627. [PMID: 36868292 DOI: 10.1016/j.ejphar.2023.175627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 02/26/2023] [Accepted: 02/27/2023] [Indexed: 03/05/2023]
Abstract
General anaesthetics have been widely applied to induce reversible loss and recovery of consciousness in clinical practice and have been shown to have reliably safe profiles. Since brief exposure to general anaesthetics can result in long-lasting and global changes in neuronal structures and function, these drugs also exhibit strong therapeutic potential for mood disorders. Preliminary and clinical studies have suggested that the inhalational anaesthetic drug sevoflurane might relieve symptoms of depression. However, the antidepressant effects of sevoflurane and the underlying mechanisms remain elusive. In the present study, we confirmed that the antidepressant and anxiolytic effects of inhaling 2.5% sevoflurane for 30 min were comparable to those of ketamine and could be sustained for 48 h. Activation of GABAergic (γ-aminobutyric acidergic) neurons in the nucleus accumbens core by chemogenetics was shown to mimic the antidepressant effects of inhaled sevoflurane, whereas inhibition of these neurons significantly prevented these effects. Considered together, these results suggested that sevoflurane might exert rapid and long-lasting antidepressant effects via modulation of neuronal activities in the nucleus accumbens core nucleus.
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Affiliation(s)
- Meng Wu
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Department of Anesthesiology, Peking University Shougang Hospital, Beijing, 100144, China
| | - Ao Li
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Yongxin Guo
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Fuyang Cao
- Department of Anesthesia, The Sixth Medical Center of Chinese PLA General Hospital, Beijing, 100048, China
| | - Shaohua You
- Department of Pain Medicine, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Jiangbei Cao
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Weidong Mi
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
| | - Li Tong
- Anesthesia and Operation Center, The First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
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Experimental and Clinical Aspects of Sevoflurane Preconditioning and Postconditioning to Alleviate Hepatic Ischemia-Reperfusion Injury: A Scoping Review. Int J Mol Sci 2023; 24:ijms24032340. [PMID: 36768670 PMCID: PMC9916998 DOI: 10.3390/ijms24032340] [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: 10/10/2022] [Revised: 12/21/2022] [Accepted: 01/22/2023] [Indexed: 01/27/2023] Open
Abstract
Ischemia-reperfusion injury (IRI) is an inflammatory process inherent in organ transplantation procedures. It is associated with tissue damage and, depending on its intensity, can impact early graft function. In liver transplantation (LT), strategies to alleviate IRI are essential in order to increase the use of extended criteria donor (ECD) grafts, which are more susceptible to IRI, as well as to improve postoperative graft and patient outcomes. Sevoflurane, a commonly used volatile anesthetic, has been shown to reduce IRI. This scoping review aims to give a comprehensive overview of the existing experimental and clinical data regarding the potential benefits of sevoflurane for hepatic IRI (HIRI) and to identify any gaps in knowledge to guide further research. We searched Medline and Embase for relevant articles. A total of 380 articles were identified, 45 of which were included in this review. In most experimental studies, the use of sevoflurane was associated with a significant decrease in biomarkers of acute liver damage and oxidative stress. Administration of sevoflurane before hepatic ischemia (preconditioning) or after reperfusion (postconditioning) appears to be protective. However, in the clinical setting, results are conflicting. While some studies showed a reduction of postoperative markers of liver injury, the benefit of sevoflurane on clinical outcomes and graft survival remains unclear. Further prospective clinical trials remain necessary to assess the clinical relevance of the use of sevoflurane as a protective factor against HIRI.
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Hu B, Tian T, Hao PP, Liu WC, Chen YG, Jiang TY, Xue FS. The Protective Effect of Sevoflurane Conditionings Against Myocardial Ischemia/Reperfusion Injury: A Systematic Review and Meta-Analysis of Preclinical Trials in in-vivo Models. Front Cardiovasc Med 2022; 9:841654. [PMID: 35571167 PMCID: PMC9095933 DOI: 10.3389/fcvm.2022.841654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/16/2022] [Indexed: 11/24/2022] Open
Abstract
Objective Myocardial ischemia/reperfusion injury (IRI) is a common and serious complication in clinical practice. Sevoflurane conditionings have been identified to provide a protection against myocardial IRI in animal experiments, but their true clinical benefits remain controversial. Here, we aimed to analyze the preclinical evidences obtained in animal models of myocardial IRI and explore the possible reasons for controversial clinical benefits. Methods Our primary outcome was the difference in mean infarct size between the sevoflurane and control groups in animal models of myocardial IRI. After searching the databases of PubMed, Embase, Web of Science, and the Cochrane Library, a systematic review retrieved 37 eligible studies, from which 28 studies controlled comparisons of sevoflurane preconditioning (SPreC) and 40 studies controlled comparisons of sevoflurane postconditioning (SPostC) that were made in a pooled random-effects meta-analysis. In total, this analysis included data from 313 control animals and 536 animals subject to sevoflurane conditionings. Results Pooled estimates for primary outcome demonstrated that sevoflurane could significantly reduce the infarct size after myocardial IRI whether preconditioning [weighted mean difference (WMD): −18.56, 95% CI: −23.27 to −13.85, P < 0.01; I2 = 94.1%, P < 0.01] or postconditioning (WMD: −18.35, 95% CI: −20.88 to −15.83, P < 0.01; I2 = 90.5%, P < 0.01) was performed. Interestingly, there was significant heterogeneity in effect size that could not be explained by any of the prespecified variables by meta-regression and stratified analysis. However, sensitivity analysis still identified the cardioprotective benefits of sevoflurane conditionings with robust results. Conclusion Sevoflurane conditionings can significantly reduce infarct size in in-vivo models of myocardial IRI. Given the fact that there is a lack of consistency in the quality and design of included studies, more well-performed in-vivo studies with the detailed characterization of sevoflurane protocols, especially studies in larger animals regarding cardioprotection effects of sevoflurane, are still required.
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Sümer Coşkun A, Bedel HA, Munzuroğlu M, Derin N, Usta C. Does Resveratrol Prevent Sevoflurane Toxicity in Newborn Rats? J Med Food 2022; 25:557-563. [PMID: 35420459 DOI: 10.1089/jmf.2021.0154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Inhalation anesthetics have been shown to cause neurodevelopmental disorders and neurotoxic effects. In this study, we aimed to investigate the effect of resveratrol on the possible neurotoxic effect of sevoflurane and the brain-derived neurotrophic factor (BDNF) pathway in newborn rats. The animals were divided into four groups: control, sevoflurane, sevoflurane+resveratrol 25 mg/kg, and sevoflurane+resveratrol 50 mg/kg. The groups that received anesthesia were given 3% sevoflurane for 2 h on the postnatal seventh, eighth, and ninth days. Control gas was applied to the control group. The Morris water maze (MWM) test was performed on postnatal 35th day. After performing the open field test on the postnatal 41st day, the animals were dissected, and the hippocampal BDNF levels were determined by Western blot method. In the MWM test, there was a significant decrease in the time spent in the target quadrant in the sevoflurane anesthesia group compared with control group. This reduction was reversed with the resveratrol pretreatment. Sevoflurane exposure significantly decreased hippocampal BDNF levels compared with the control group. The resveratrol 25 mg/kg pretreatment did not reverse this reduction, whereas resveratrol 50 mg/kg ameliorated this impairment. Sevoflurane did not cause any significant difference in the rats' performance in the open field test. However, 50 mg/kg resveratrol pretreatment caused a statistically significant increase in this performance. Our results showed that sevoflurane impaired learning and memory functions in newborn rats and resveratrol reversed this deterioration. Also BDNF might play a role in this beneficial effect of resveratrol.
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Affiliation(s)
| | - Hatice Aslı Bedel
- Pharmacology Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Mustafa Munzuroğlu
- Biophysics Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Narin Derin
- Biophysics Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
| | - Coşkun Usta
- Pharmacology Department, Akdeniz University Faculty of Medicine, Antalya, Turkey
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Kamei N, Higo S, Mizuno T, Mori K, Sakamoto A, Ozawa H. Identification of Brain Regions Activated by Sevoflurane and Propofol and Regional Changes in Gene Expression. Acta Histochem Cytochem 2022; 55:37-46. [PMID: 35444347 PMCID: PMC8913278 DOI: 10.1267/ahc.21-00091] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 12/13/2021] [Indexed: 01/01/2023] Open
Abstract
General anesthetics have different efficacies and side effect incidences based on their mechanism of action. However, detailed comparative studies of anesthetics are incomplete. In this study, target brain regions and gene expression changes in these brain regions were determined for sevoflurane and propofol to understand the mechanisms that cause differences among anesthetics. Rats were anesthetized with sevoflurane or propofol for 1 hr, and brain regions with anesthesia-induced changes in neuronal activity were examined by immunohistochemistry and in situ hybridization for c-Fos. Among the identified target brain regions, gene expression analysis was performed in the habenula, the solitary nucleus and the medial vestibular nucleus from laser microdissected samples. Genes altered by sevoflurane and propofol were different and included genes involved in the incidence of postoperative nausea and vomiting and emergence agitation, such as Egr1 and Gad2. GO enrichment analysis showed that the altered genes tended to be evenly distributed in all functional category. The detailed profiles of target brain regions and induced gene expression changes of sevoflurane and propofol in this study will provide a basis for analyzing the effects of each anesthetic agent and the risk of adverse events.
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Affiliation(s)
- Nobutaka Kamei
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School
| | - Shimpei Higo
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School
| | - Tomoki Mizuno
- Department of Anesthesiology and Pain Medicine, Graduate school of Medicine, Nippon Medical School
| | - Keisuke Mori
- Department of Anesthesiology and Pain Medicine, Graduate school of Medicine, Nippon Medical School
| | - Atsuhiro Sakamoto
- Department of Anesthesiology and Pain Medicine, Graduate school of Medicine, Nippon Medical School
| | - Hitoshi Ozawa
- Department of Anatomy and Neurobiology, Graduate School of Medicine, Nippon Medical School
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Wu J, Cai W, Du R, Li H, Wang B, Zhou Y, Shen D, Shen H, Lan Y, Chen L, Zheng X, Huang D, Shi G. Sevoflurane Alleviates Myocardial Ischemia Reperfusion Injury by Inhibiting P2X7-NLRP3 Mediated Pyroptosis. Front Mol Biosci 2021; 8:768594. [PMID: 34765646 PMCID: PMC8576530 DOI: 10.3389/fmolb.2021.768594] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/11/2021] [Indexed: 02/05/2023] Open
Abstract
Myocardial ischemia is common in aging population. This study investigates the protective effect of Sevoflurane on myocardial ischemia reperfusion injury (MIRI) and its underlying mechanism. A total of 87 patients with a history of myocardial ischemia who underwent abdominal surgery with Sevoflurane general anesthesia were recruited in the study. The clinical data, blood pressure, heart rate, pressure-rate quotient (PRQ) and rate-pressure product (RPP) were recorded. Serum samples were collected and heart-type fatty acid binding protein (H-FABP), ischemia modified albumin (IMA), interleukin-1β (IL-1β), and interleukin-18 (IL-18) were measured to observe whether Sevoflurane anesthesia had protective effect on myocardium. In addition, MIRI rats and hypoxia/reoxygenation (H/R) injury cell model was established using neonatal rat ventricular myocytes (NRVM). Rats or NRVM were pretreated with sevoflurane for 45min before hypoxia. The mRNA expression of purinergic receptor-7 (P2X7) and NLR family pyrin domain containing 3(NLRP3) were examined. The protein expression of P2X7, NLRP3, apoptosis-associated speck-like protein (ASC), cysteine aspartic acid specific protease-1(Caspase-1), Gasdermin-D (GSDMD), Bcl-2 Associated X Protein (Bax), B-cell lymphoma-2 (Bcl-2) in myocardial tissue and cells were evaluated. The serum contents of IL-1β, IL-18, Malondialdehyde (MDA), Superoxide dismutase (SOD), Lactate dehydrogenase (LDH), Creatine kinase (CK), and Creatine kinase isoenzymes (CK-MB) were measured. The cellular localization and fluorescence intensity of NLRP3 and ASC in cells were detected. It was found that the secretion of IL-1β and IL-18 decreased in the patients. After I45 min/R3h in SD rats and H3h/R1h in NRVM, the protein expressions of P2X7, NLRP3, ASC, Caspase-1 and GSDMD were increased, the release of IL-1β, IL-18, CK, CK-MB, LDH and MDA were increased, and SOD activity was decreased. Sevoflurane treatment inhibited the high expression of P2X7, NLRP3, ASC, Caspase-1 and GSDMD, inhibited the release of LDH, CK,CK-MB and MDA in cells, and improved the activity of SOD, indicating that Sevoflurane alleviated the damage of MIRI of rats and H/R of NRVM, and had myocardial protective effect. Taken together, our study suggests that Sevoflurane inhibited the expression of IL-1β, IL-18 and GSDMD by inhibiting the P2X7-NLRP3 signaling pathway. It reduced the H/R injury of cardiomyocytes and protected the cardiac function by regulating inflammatory reaction and pyroptosis.
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Affiliation(s)
- Jiaxuan Wu
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Wenfeng Cai
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Ruiming Du
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Haiyang Li
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Bin Wang
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Yanqiong Zhou
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Daifei Shen
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Huimin Shen
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Yang Lan
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Lesi Chen
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Xiaoxia Zheng
- Department of Anesthesiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Danmei Huang
- Department of Pharmacology, Shantou University Medical College, Shantou, China
| | - Ganggang Shi
- Department of Pharmacology, Shantou University Medical College, Shantou, China
- *Correspondence: Ganggang Shi,
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Sevoflurane-induced inflammation development: involvement of cholinergic anti-inflammatory pathway. Behav Pharmacol 2020; 30:730-737. [PMID: 31625977 DOI: 10.1097/fbp.0000000000000507] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Chronic inflammation plays an important role in the mechanisms underpinning the development of anesthesia-induced cognitive dysfunction. However, less is known about how anesthesia causes inflammation. One possibility is that the inflammation is related to alteration of the activity of the alpha 7 nicotinic acetylcholine receptor cholinergic anti-inflammatory pathway. This study analyzed the effect of sevoflurane administration on the cognitive function by using a novel object recognition test and Y-maze test, and on acetylcholinesterase activity and expression in hippocampal tissue by using an acetylcholinesterase assay kit and quantitative real-time PCR. This study also evaluated the effect of alpha 7 nicotinic acetylcholine receptor agonist PNU-282987 and antagonist methyllycaconitine on cognitive function and the level of hippocampal tumor necrosis factor-α in aged rats exposed to sevoflurane anesthesia. We found that 3% sevoflurane significantly impaired cognitive function and increased acetylcholinesterase activity by upregulating its expression in hippocampal tissue. Sevoflurane-induced impairment of cognitive function was significantly rescued by PNU-282987 but aggravated by methyllycaconitine. In addition to impairment of cognitive function, sevoflurane also significantly increased tumor necrosis factor-α level in plasma and hippocampal tissue. Similarly, this sevoflurane-induced change of tumor necrosis factor-α level in rats was antagonized by PNU-282987 but amplified by methyllycaconitine. In conclusion, our data show that the development of inflammation in sevoflurane-induced cognitive decline is associated with the downregulation of alpha 7 nicotinic acetylcholine receptor cholinergic anti-inflammatory pathway in aged rats.
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Nguyen TM, Fleyfel M, Boleslawski E, M'Ba L, Geniez M, Ethgen S, Béhal H, Lebuffe G. Effect of pharmacological preconditioning with sevoflurane during hepatectomy with intermittent portal triad clamping. HPB (Oxford) 2019; 21:1194-1202. [PMID: 30773451 DOI: 10.1016/j.hpb.2019.01.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 12/30/2018] [Accepted: 01/18/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND During hepatectomy, intermittent portal triad clamping (IPC) reduces ischemia-reperfusion injuries. Pharmacological preconditioning with sevoflurane revealed similar properties. The aim of the study was to evaluate the combination of a sevoflurane preconditioning regimen with IPC on ischemia-reperfusion injuries. METHODS Three regimens of anesthesia were applied: group SEV with continuous application of sevoflurane, group PRO with continuous propofol infusion and group PC where continuous propofol was substituted by sevoflurane (adjusted to reach MAC∗1.5) for 15 min before IPC. Endpoints were the values of AST and ALT, factor V, prothrombin time, bilirubinemia over the 5-postoperative days (POD), morbidity and mortality at POD30 and POD90. RESULTS The ALT values at POD5 were lower in the PC group (n = 27) 74 (48 -98) IU/L compared to PRO (n = 26) and SEV (n = 67) respectively 110 (75 -152) and 100 (64 -168) IU/L (p = 0.038). The variation of factor V compared to preoperative values was less important in the PC and SEV groups respectively -14% and -16% vs -30% (PRO) (p = 0.047). CONCLUSION Our study suggests that sevoflurane attenuates ischemia-reperfusion injuries on liver function, compared to propofol, without benefit for a specific regimen of pharmacological preconditioning when IPC is applied.
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Affiliation(s)
| | - Maher Fleyfel
- Anesthésie-Réanimation, Hôpital Huriez CHRU Lille, France
| | - Emmanuel Boleslawski
- Service de Chirurgie Digestive et Transplantations, Hôpital Huriez CHRU Lille, France
| | - Léna M'Ba
- Service de Chirurgie Digestive et Transplantations, Hôpital Huriez CHRU Lille, France
| | - Marie Geniez
- Anesthésie-Réanimation, Hôpital Huriez CHRU Lille, France
| | - Sabine Ethgen
- Anesthésie-Réanimation, Hôpital Huriez CHRU Lille, France
| | - Hélène Béhal
- Santé publique: épidémiologie et qualité des soins, Unité de Biostatistiques, CHRU Lille, France
| | - Gilles Lebuffe
- Anesthésie-Réanimation, Hôpital Huriez CHRU Lille, France
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Yang L, Wu J, Xie P, Yu J, Li X, Wang J, Zheng H. Sevoflurane postconditioning alleviates hypoxia-reoxygenation injury of cardiomyocytes by promoting mitochondrial autophagy through the HIF-1/BNIP3 signaling pathway. PeerJ 2019; 7:e7165. [PMID: 31275755 PMCID: PMC6596409 DOI: 10.7717/peerj.7165] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 05/22/2019] [Indexed: 12/14/2022] Open
Abstract
Background Sevoflurane postconditioning (SpostC) can alleviate hypoxia-reoxygenation injury of cardiomyocytes; however, the specific mechanism remains unclear. This study aimed to investigate whether SpostC promotes mitochondrial autophagy through the hypoxia-inducible factor-1 (HIF-1)/BCL2/adenovirus E1B 19-kDa-interacting protein 3 (BNIP3) signaling pathway to attenuate hypoxia-reoxygenation injury in cardiomyocytes. Methods The H9C2 cardiomyocyte hypoxia/reoxygenation model was established and treated with 2.4% sevoflurane at the beginning of reoxygenation. Cell damage was determined by measuring cell viability, lactate dehydrogenase activity, and apoptosis. Mitochondrial ultrastructural and autophagosomes were observed by transmission electron microscope. Western blotting was used to examine the expression of HIF-1, BNIP3, and Beclin-1 proteins. The effects of BNIP3 on promoting autophagy were determined using interfering RNA technology to silence BNIP3. Results Hypoxia-reoxygenation injury led to accumulation of autophagosomes in cardiomyocytes, and cell viability was significantly reduced, which seriously damaged cells. Sevoflurane postconditioning could upregulate HIF-1α and BNIP3 protein expression, promote autophagosome clearance, and reduce cell damage. However, these protective effects were inhibited by 2-methoxyestradiol or sinBNIP3. Conclusion Sevoflurane postconditioning can alleviate hypoxia-reoxygenation injury in cardiomyocytes, and this effect may be achieved by promoting mitochondrial autophagy through the HIF-1/BNIP3 signaling pathway.
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Affiliation(s)
- Long Yang
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Jianjiang Wu
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Peng Xie
- Department of Anesthesiology, Zunyi Medical College, Guizhou Key Laboratory of Anesthesia and Organ Protection, Zunyi, Guizhou, China
| | - Jin Yu
- Chongqing Health Center for Women and Children, Department of Anesthesiology, Chongqing, Chongqing, China
| | - Xin Li
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Jiang Wang
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Hong Zheng
- Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
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Ren SF, Yu H, Guo YQ, Yu H. Inhalation versus intravenous anesthesia for adults undergoing heart valve surgery: a systematic review and meta-analysis. Minerva Anestesiol 2019; 85:665-675. [DOI: 10.23736/s0375-9393.19.13377-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Grievink H, Kuzmina N, Chevion M, Drenger B. Sevoflurane postconditioning is not mediated by ferritin accumulation and cannot be rescued by simvastatin in isolated streptozotocin-induced diabetic rat hearts. PLoS One 2019; 14:e0211238. [PMID: 30682140 PMCID: PMC6347357 DOI: 10.1371/journal.pone.0211238] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/09/2019] [Indexed: 11/24/2022] Open
Abstract
Sevoflurane postconditioning (sevo postC) is an attractive and amenable approach that can protect the myocardium against ischemia/reperfusion (I/R)-injury. Unlike ischemic preconditioning (IPC), sevo postC does not require additional induced ischemic periods to a heart that is already at risk. IPC was previously shown to generate myocardial protection against I/R-injury through regulation of iron homeostasis and de novo ferritin synthesis, a process found to be impaired in the diabetic state. The current study investigated whether alterations in iron homeostasis and ferritin mRNA and protein accumulation are also involved in the cardioprotective effects generated by sevo postC. It was also investigated whether the protective effects of sevo postC in the diabetic state can be salvaged by simvastatin, through inducing nitric oxide (NO) bioavailability/activity, in isolated streptozotocin (STZ)-induced diabetic hearts (DH). Isolated rat hearts from healthy Controls and diabetic animals were retrogradely perfused using the Langendorff configuration and subjected to prolonged ischemia and reperfusion, with and without (2.4 and 3.6%) sevo postC and/or pre-treatment with simvastatin (0.5 mg/kg). Sevo postC significantly reduced infarct size and improved myocardial function in healthy Controls but not in isolated DH. The sevo postC mediated myocardial protection against I/R-injury was not associated with de novo ferrtin synthesis. Furthermore, simvastatin aggravated myocardial injury after sevo postC in STZ-induced DHs, likely due to increasing NO levels. Despite the known mechanistic overlaps between PC and postC stimuli, distinct differences underlie the cardioprotective interventions against myocardial I/R-injury and are impaired in the DH. Sevo postC mediated cardioprotection, unlike IPC, does not involve de novo ferritin accumulation and cannot be rescued by simvastatin in STZ-induced DHs.
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Affiliation(s)
- Hilbert Grievink
- Department of Anesthesiology and Critical Care and Pain Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
- Department of Biochemistry and Molecular Biology Hebrew University of Jerusalem, Jerusalem, Israel
- Cyclotron/Radiochemistry/MicroPET Unit, Hadassah Hebrew University Hospital, Hadassah Medical Organization, Jerusalem, Israel
- * E-mail:
| | - Natalia Kuzmina
- Department of Anesthesiology and Critical Care and Pain Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Mordechai Chevion
- Department of Biochemistry and Molecular Biology Hebrew University of Jerusalem, Jerusalem, Israel
| | - Benjamin Drenger
- Department of Anesthesiology and Critical Care and Pain Medicine, Hadassah Hebrew University Hospital, Jerusalem, Israel
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Lockwood G. No-brainers in medicine. Perfusion 2018; 33:507-508. [DOI: 10.1177/0267659118796944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Liao WT, Xiao XY, Zhu Y, Zhou SP. The effect of celastrol on learning and memory in diabetic rats after sevoflurane inhalation. Arch Med Sci 2018; 14:370-380. [PMID: 29593812 PMCID: PMC5868673 DOI: 10.5114/aoms.2016.63740] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 08/15/2016] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION The aim was to devise an animal model showing some of the neuropathological changes seen in senile dementia, and to investigate the effect of celastrol on cognition neuropathology in this model. MATERIAL AND METHODS Forty male Sprague Dawley rats weighing 300-350 g were randomly divided into 5 groups (n = 8 each): control (Con); inhaled sevoflurane (Sev); diabetes mellitus (DM); diabetes mellitus + inhaled sevoflurane (DM/Sev); diabetes + inhaled sevoflurane + celastrol (Cel). Diabetes was induced by an intraperitoneal injection of streptozotocin (STZ). After 20 days, the Sev, DM/Sev and Cel group rats inhaled 3% sevoflurane for 2 h, while the control and DM groups inhaled air. Cel group rats were given intraperitoneal injections of celastrol (0.7 mg/kg) daily for 4 days, while the control group received intraperitoneal injections of an equal volume of dimethylsulfoxide. The Morris water maze test was performed to test cognition. Animals were killed after the last water maze test and Congo red staining was used to observe deposition of amyloid substance in the hippocampus. The expression of GFAP and IGF-1 in the hippocampus was observed by immunohistochemistry. RESULTS Diabetes decreased cognition, increased amyloid substance and GFAP expression, and decreased IGF-1 expression in the hippocampus (all p-values < 0.05). Sevoflurane administration intensified and celastrol decreased these changes (all p-values < 0.05). CONCLUSIONS Sev/DM rats showed cognitive and neurochemical changes similar to those seen in senile dementia. Celastrol decreased these changes and should be evaluated further as a possible clinical agent in dementia.
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Affiliation(s)
- Wei-Tao Liao
- Department of Anaesthesiology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Xiao-Yu Xiao
- Department of Anaesthesiology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Yinaxian Zhu
- Department of Anaesthesiology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
| | - Shao-Peng Zhou
- Department of Anaesthesiology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, Guangdong, China
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Nan Z, Jin Z, Huijuan C, Tiezheng Z, Keyan C. Effects of TLR3 and TLR9 Signaling Pathway on Brain Protection in Rats Undergoing Sevoflurane Pretreatment during Cardiopulmonary Bypass. BIOMED RESEARCH INTERNATIONAL 2017; 2017:4286738. [PMID: 29445737 PMCID: PMC5763070 DOI: 10.1155/2017/4286738] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 10/22/2017] [Accepted: 11/07/2017] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To investigate the effects of TLR3 and TLR9 signaling pathway on brain injury during CPB in rats pretreated with sevoflurane and its possible molecular mechanism. METHODS SD rats were randomly assigned to sham group, CPB group, and Sev group. Brain tissue was obtained at before CPB (T0), at CPB for 30 minutes (T1), 1 hour after CPB (T3), and 3 hours after CPB (T5). ELISA was used to measure S100-β and IL-6. Western blot was utilized to determine TLR3 and TLR9 expression. TUNEL was applied to detect neuronal apoptosis. RESULTS Compared with CPB group, at T1, at termination after 1 hour of CPB (T2), T3, 2 hours after CPB (T4) and T5, S100-β and IL-6 decreased in Sev group. Compared with CPB group, IFN-β were increased in Sev group, except T0. Compared with CPB group, TLR3 expression increased, and TLR9 and NF-κB decreased in Sev group. The apoptotic neurons were less in Sev group than in CPB group (P < 0.05). CONCLUSION Sevoflurane intervention can activate TLR3 and TLR9 signaling pathway, upregulate TLR3 expression and downstream TRIF expression, decrease TLR9 expression, and downregulate downstream NF-κB expression in CPB rat models, thereby mitigating brain injury induced by inflammatory response during CPB.
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Affiliation(s)
- Zhou Nan
- Department of Anesthesiology, General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Zhou Jin
- Department of Anesthesiology, General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Cao Huijuan
- Department of Anesthesiology, General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Zhang Tiezheng
- Department of Anesthesiology, General Hospital of Shenyang Military Area Command, No. 83 Wenhua Road, Shenyang, Liaoning 110016, China
| | - Chen Keyan
- Department of Laboratory Animal Science, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning 110122, China
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Sun T, Zhang HJ, Krittanawong C, Wang S, Tao Y, Li Z, Yin Q, Zhang D, Wang Q, Huang J, Zhang J, Li Z, Cheng Y. Acute atorvastatin treatment restores the cardioprotective effects of ischemic postconditioning in hyperlipidemic rats. Oncotarget 2017; 8:55187-55193. [PMID: 28903412 PMCID: PMC5589651 DOI: 10.18632/oncotarget.19232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 06/16/2017] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Ischemic Postconditioning (IPC) reduces ischemia/reperfusion (I/R) injury under normal conditions. HMG-CoA reductase inhibitors (statins), which inhibit the synthesis of mevalonate, can interfere with the cardioprotective effect of IPC. However, the beneficial role of IPC in hyperlipidemic patients, post-acute administration of statins remains unknown. This study was to determine if acute administration of atorvastatin affect the infarct size-limiting effect of IPC in hyperlipidemic rats. RESULTS Compared to control group, infarct size decreased more significantly in atorvastatin+IPC and atorvastatin+IPC+wortmannin groups than IPC or atorvastatin+IPC+PD98059 groups. Phosphorylation of PI3K/Akt was attenuated in atorvastatin + IPC+ wortmannin group, phosphorylation of P42 MAPK/ERK was increased in atorvastatin+IPC and atorvastatin+IPC+wortmannin groups. MATERIALS AND METHODS Ninety four-weeks old male SD rats fed with cholesterol enriched diet for six weeks were randomized into nine groups (n = 10/group) - sham group, control group, IPC group, atorvastatin group, wortmannin group, PD98059 group, atorvastatin+IPC group, atorvastatin+IPC+wortmannin group and atorvastatin+IPC+PD98059 group. Atorvastatin was administered orally 12 hours before myocardial reperfusion. CONCLUSIONS Post-translational activation of P42 MAPK/ERK, rather than PI3K/Akt, participates in the net protective effect of IPC and atorvastatin in hyperlipidemia.
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Affiliation(s)
- Tao Sun
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Hong-Ju Zhang
- Division of Ultrasound, Fu Wai Hospital, National Center for Cardiovascular Diseases, Beijing, China
| | - Chayakrit Krittanawong
- Department of Internal Medicine, Icahn School of Medicine at Mount Sinai St. Luke's and Mount Sinai West, New York, NY, USA
| | - Su Wang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Ying Tao
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhao Li
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Qiancheng Yin
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Donghua Zhang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Qian Wang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Ji Huang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Jingmei Zhang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Zhizhong Li
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Yutong Cheng
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China
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Randomized comparison of sevoflurane versus propofol-remifentanil on the cardioprotective effects in elderly patients with coronary heart disease. BMC Anesthesiol 2017; 17:104. [PMID: 28800722 PMCID: PMC5553920 DOI: 10.1186/s12871-017-0397-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 08/06/2017] [Indexed: 01/22/2023] Open
Abstract
Background It is skeptical about cardioprotective property of sevoflurane in patients undergoing noncardiac surgery, especially in the elderly patients with coronary heart disease. We hypothesized that long duration of sevoflurane inhalation in noncardiac surgery could ameliorate myocardial damage in such patients. Methods This was a randomized, prospective study. One hundred twenty-one elderly patients with coronary heart disease were randomly allocated into two groups. Maintenance of anesthesia was achieved by sevoflurane inhalation (Group S) or propofol-remifentanil respectively (Group PR). Serum cardiac troponin I (cTnI) and brain natriuretic peptide (BNP) were measured before anesthesia induction (T0), 8 h (T1) and 24 h (T2) after anesthesia respectively. The perioperative cardiac output, complications and postoperative 3-month follow-up from end of surgery were recorded. Results Between the two groups, there were no statistical differences in the values of cTnI and BNP during the study. However, The area under the curve of cTnI values over 24 h after operation was less in Group S. Group PR had lower cardiac output and consumed more amount of phenylephrine during the study (P < 0.05). Conclusions Compared with the group PR, sevoflurane had no benefit in the myocardial protection for the elderly patients with CHD. However, Sevoflurane showed advantage in maintaining hemodynamic stability during the operative period. Trial registration Chinese Clinical Trial Registry, ChiCTR-IPR-16008871, 21 July 2016.
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Yu J, Maimaitili Y, Xie P, Wu JJ, Wang J, Yang YN, Ma HP, Zheng H. High glucose concentration abrogates sevoflurane post-conditioning cardioprotection by advancing mitochondrial fission but dynamin-related protein 1 inhibitor restores these effects. Acta Physiol (Oxf) 2017; 220:83-98. [PMID: 27684054 DOI: 10.1111/apha.12812] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 07/30/2016] [Accepted: 09/26/2016] [Indexed: 11/26/2022]
Abstract
AIM Hyperglycaemia-induced cell injury is a primary cause of cardiovascular complications in patients with diabetes. In vivo studies demonstrated that sevoflurane post-conditioning (SpostC) was cardioprotective against ischaemia/reperfusion injury, which was blocked by hyperglycaemia. This study investigated whether high glucose concentration abrogated SpostC cardioprotection in vitro by advancing mitochondrial fission and whether mitochondrial division inhibitor-1 (Mdivi-1) restored SpostC cardioprotection in cultured primary neonatal rat cardiomyocytes (NCMs). METHODS Primary cultured NCMs in low and high glucose concentrations were subjected to hypoxia/reoxygenation (H/R) injury. SpostC was carried out by adding 2.4% sevoflurane to the cells at the beginning of reoxygenation for 15 min. Cell viability, lactate dehydrogenase (LDH) level, cell death, mitochondrial morphology, mitochondrial membrane potential and mitochondrial permeability transition pore (mPTP) opening level, as well as fission- and fusion-related proteins, were measured after H/R injury. Mdivi-1 treatment was performed 40 min before hypoxia to inhibit DRP1. RESULTS SpostC protected cultured cardiomyocytes by increasing cell viability and reducing the LDH level and cell death following H/R, but high glucose concentration eliminated the cardioprotective effect. High glucose concentration abrogated SpostC cardioprotection via mitochondrial fragmentation (evidenced by decreased mitochondrial interconnectivity and elongation) and facilitation of mPTP opening. Decreased mitochondrial membrane potential was investigated with increased DRP1, FIS1 and MFN2 and decreased MFN1 and OPA1 expressions. Mdivi-1 (100 μmol L-1 ) inhibited excessive mitochondrial fission and restored the cardioprotective effect of SpostC in high glucose conditions. CONCLUSION SpostC-induced cardioprotection against H/R injury was impaired under high glucose concentrations, but the inhibition of excess mitochondrial fission restored these effects.
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Affiliation(s)
- J. Yu
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - Y. Maimaitili
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - P. Xie
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - J. J. Wu
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - J. Wang
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - Y. N. Yang
- Department of Cardiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - H. P. Ma
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
| | - H. Zheng
- Department of Anaesthesiology; The First Affiliated Hospital of Xinjiang Medical University; Urumqi Xinjiang China
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Yang XL, Wang D, Zhang GY, Guo XL. Comparison of the myocardial protective effect of sevoflurane versus propofol in patients undergoing heart valve replacement surgery with cardiopulmonary bypass. BMC Anesthesiol 2017; 17:37. [PMID: 28259141 PMCID: PMC5336653 DOI: 10.1186/s12871-017-0326-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 02/20/2017] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND This study aimed to compare myocardial protective effects of anaesthesia with intravenous infusion of propofol versus inhalation of sevoflurane in patients undergoing heart valve replacement surgery with cardiopulmonary bypass. METHODS Seventy-six patients undergoing valve replacement with cardiopulmonary bypass were randomly assigned to propofol or sevoflurane anesthesia during the surgery, respectively. For assessing myocardial injury, cardiac troponin I (cTnI) and creatine kinase isozyme (CK-MB) were determined before induction (T0), 0.5 h (T1) and 3 h (T2) after aortic unclamping, and 24 h (T3) and 48 h (T4) after surgery. The concentrations of interleukin (IL)-6 and IL-10 as the systemic inflammatory and anti-inflammatory markers were also measured at above time points. RESULTS In the sevoflurane group, the plasma concentrations of cTnI and CK-MB from Tl to T4 and the levels of IL-6 and IL-10 from T1 to T2 were lower than those in the propofol group. Moreover, a higher ratio of automatic heart beat recovery and a shorter length of intensive care unit or hospital stay were found in the sevoflurane group comparing with the propofol group. CONCLUSION Sevoflurane anaesthesia produced more prominent myocardial protection and attenuated inflammatory response than propofol anaesthesia in patients with valve replacement surgery under cardiopulmonary bypass, resulting in shorter ICU and in-hospital stay. RETROSPECTIVE CLINICAL TRIAL REGISTRATION Identified as ChiCTR-IOR-16009979 at http://www.chictr.org.cn/ .
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Affiliation(s)
- Xiao-Lin Yang
- Departments of Anaesthesiology, Affiliated Hospital of North Sichuan Medical College, 63# Wenhua Road, Shunqing District, Nanchong, Sichuan, 637000, People's Republic of China.
| | - Dan Wang
- Departments of Anaesthesiology, Affiliated Hospital of North Sichuan Medical College, 63# Wenhua Road, Shunqing District, Nanchong, Sichuan, 637000, People's Republic of China
| | - Guo-Yuan Zhang
- Laboratory Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, People's Republic of China
| | - Xiao-Lan Guo
- Laboratory Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, 637000, People's Republic of China
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Yu J, Wu J, Xie P, Maimaitili Y, Wang J, Xia Z, Gao F, Zhang X, Zheng H. Sevoflurane postconditioning attenuates cardiomyocyte hypoxia/reoxygenation injury via restoring mitochondrial morphology. PeerJ 2016; 4:e2659. [PMID: 27833818 PMCID: PMC5101611 DOI: 10.7717/peerj.2659] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 10/05/2016] [Indexed: 12/25/2022] Open
Abstract
Background Anesthetic postconditioning is a cellular protective approach whereby exposure to a volatile anesthetic renders a tissue more resistant to subsequent ischemic/reperfusion event. Sevoflurane postconditioning (SPostC) has been shown to exert cardioprotection against ischemia/reperfusion injury, but the underlying mechanism is unclear. We hypothesized that SPostC protects cardiomyocytes against hypoxia/reoxygenation (H/R) injury by maintaining/restoring mitochondrial morphological integrity, a critical determinant of cell fate. Methods Primary cultures of neonatal rat cardiomyocytes (NCMs) were subjected to H/R injury (3 h of hypoxia followed by 3 h reoxygenation). Intervention with SPostC (2.4% sevoflurane) was administered for 15 min upon the onset of reoxygenation. Cell viability, Lactate dehydrogenase (LDH) level, cell death, mitochondrial morphology, mitochondrial membrane potential and mitochondrial permeability transition pore (mPTP) opening were assessed after intervention. Mitochondrial fusion and fission regulating proteins (Drp1, Fis1, Mfn1, Mfn2 and Opa1) were assessed by immunofluorescence staining and western blotting was performed to determine the level of protein expression. Results Cardiomyocyte H/R injury resulted in significant increases in LDH release and cell death that were concomitant with reduced cell viability and reduced mitochondrial interconnectivity (mean area/perimeter ratio) and mitochondrial elongation, and with reduced mitochondrial membrane potential and increased mPTP opening. All the above changes were significantly attenuated by SPostC. Furthermore, H/R resulted in significant reductions in mitochondrial fusion proteins Mfn1, Mfn2 and Opa1 and significant enhancement of fission proteins Drp1 and Fis1. SPostC significantly enhanced Mfn2 and Opa1 and reduced Drp1, without significant impact on Mfn1 and Fis1. Conclusions Sevoflurane postconditioning attenuates cardiomyocytes hypoxia/reoxygenation injury (HRI) by restoring mitochondrial fusion/fission balance and morphology.
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Affiliation(s)
- Jin Yu
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
| | - Jianjiang Wu
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
| | - Peng Xie
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
| | - Yiliyaer Maimaitili
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
| | - Jiang Wang
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
| | - Zhengyuan Xia
- Department of Anethesiology, University of Hong Kong , Hongkong , China
| | - Feng Gao
- Department of Aerospace Medicine, School of Basic Medical Sciences, Fourth Military Medical University , Xi'an, Shaanxi , China
| | - Xing Zhang
- Department of Aerospace Medicine, School of Basic Medical Sciences, Fourth Military Medical University , Xi'an, Shaanxi , China
| | - Hong Zheng
- Department of Anethesiology, The First Affiliated Hospital of Xinjiang Medical University , Urumqi, Xinjiang , China
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Ye J, Zhang Z, Wang Y, Chen C, Xu X, Yu H, Peng M. Altered hippocampal microRNA expression profiles in neonatal rats caused by sevoflurane anesthesia: MicroRNA profiling and bioinformatics target analysis. Exp Ther Med 2016; 12:1299-1310. [PMID: 27588052 PMCID: PMC4998092 DOI: 10.3892/etm.2016.3452] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 05/16/2016] [Indexed: 12/11/2022] Open
Abstract
Although accumulating evidence has suggested that microRNAs (miRNAs) have a serious impact on cognitive function and are associated with the etiology of several neuropsychiatric disorders, their expression in sevoflurane-induced neurotoxicity in the developing brain has not been characterized. In the present study, the miRNAs expression pattern in neonatal hippocampus samples (24 h after sevoflurane exposure) was investigated and 9 miRNAs were selected, which were associated with brain development and cognition in order to perform a bioinformatic analysis. Previous microfluidic chip assay had detected 29 upregulated and 24 downregulated miRNAs in the neonatal rat hippocampus, of which 7 selected deregulated miRNAs were identified by the quantitative polymerase chain reaction. A total of 85 targets of selected deregulated miRNAs were analyzed using bioinformatics and the main enriched metabolic pathways, mitogen-activated protein kinase and Wnt pathways may have been involved in molecular mechanisms with regard to neuronal cell body, dendrite and synapse. The observations of the present study provided a novel understanding regarding the regulatory mechanism of miRNAs underlying sevoflurane-induced neurotoxicity, therefore benefitting the improvement of the prevention and treatment strategies of volatile anesthetics related neurotoxicity.
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Affiliation(s)
- Jishi Ye
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Zongze Zhang
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Yanlin Wang
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Chang Chen
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Xing Xu
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Hui Yu
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Mian Peng
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
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Mukherjee R. Forewarned is forearmed: Benefits of remote ischemic preconditioning. J Thorac Cardiovasc Surg 2015; 151:786-787. [PMID: 26628358 DOI: 10.1016/j.jtcvs.2015.10.089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 10/24/2015] [Indexed: 12/01/2022]
Affiliation(s)
- Rupak Mukherjee
- Division of Cardiothoracic Surgery, Department of Surgery, Medical University of South Carolina, Charleston, SC; Ralph H. Johnson VA Medical Center, Charleston, SC.
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Sun C, Xue FS, Li RP, Liu GP. Rational Study Design is Important for Assessing Myocardial Protection of Anesthetics. Chin Med J (Engl) 2015; 128:3123-4. [PMID: 26609002 PMCID: PMC4795252 DOI: 10.4103/0366-6999.169173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
| | - Fu-Shan Xue
- Department of Anesthesiology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100144, China
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Zhou J, Zhou N, Wu XN, Cao HJ, Sun YJ, Zhang TZ, Chen KY, Yu DM. Role of the Toll‑like receptor 3 signaling pathway in the neuroprotective effect of sevoflurane pre‑conditioning during cardiopulmonary bypass in rats. Mol Med Rep 2015; 12:7859-68. [PMID: 26460219 PMCID: PMC4758330 DOI: 10.3892/mmr.2015.4420] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Accepted: 06/23/2015] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was to explore the roles and possible molecular mechanism of the alleviating effect of sevoflurane pre‑treatment on the extracorporeal circulation and to investigate the possible involvement of the Toll‑like receptor (TLR3) signaling pathway. A total of 64 male Sprague Dawley rats were randomly divided into three groups: The sham operation group (H group; n=8), cardiopulmonary bypass (CPB) group (C group; n=24) and sevoflurane pre‑conditioning group (S group; n=32). The C group was subjected to tracheal intubation and mechanical ventilation, vessel puncture and catheter placement in the right femoral artery and right internal jugular vein, while no CPB was performed in the H group. The S group was pre‑treated with 2.4% sevoflurane for 1 h prior to establishing the CPB model. The CPB in the C and S groups was performed for 1 h. Blood of the rats was analyzed and clinical parameters were detected prior to, during and at various time‑points after CPB. In addition, eight rats from the C and S groups each were sacrificed at these time‑points and brain tissue samples were analyzed. The levels of the brain damage‑specific protein S100‑β as well as IL‑6 and IFN‑β in the serum were detected by ELISA; furthermore, the expression levels of TLR3 and TIR‑domain‑containing adapter‑inducing interferon‑β (TRIF) in the left hippocampus were assessed by ELISA and/or western blot analysis. The right hippocampus was assessed for neuronal apoptosis by terminal deoxynucleotidyl transferase dUTP nick end labeling assay. The mean arterial pressure, heart rate and hematocrit were significantly decreased following CPB (P<0.05), while there was no significant changes in any other clinical parameters. The serum levels of S100‑β and IL‑6 in the C group were significantly increased compared with those in the H group (P<0.05), which was attenuated by sevoflurane‑pre‑treatment. Compared with the H group, the serum levels of IFN‑β as well as hippocampal protein levels of TLR3 and TRIF were significantly increased in the C group during and after CPB (P<0.05), which was markedly aggravated in the S group (P<0.05). The number of apoptotic hippocampal neurons, although being generally low, was significantly increased in the C group compared with that in the H group (P<0.05), while apoptosis was significantly attenuated by sevoflurane‑pre‑treatment (P<0.05). The present study therefore concluded that 2.4% sevoflurane pre‑treatment has a protective effect on the rat brain against CPB‑induced injury, which may be mediated via the TLR3 signaling pathway through upregulating the expression levels of anti‑inflammatory and downregulating pro‑inflammatory proteins.
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Affiliation(s)
- Jin Zhou
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Nan Zhou
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Xiao-Ning Wu
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Hui-Juan Cao
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Ying-Jie Sun
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Tie-Zheng Zhang
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Ke-Yan Chen
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
| | - Dong-Mei Yu
- Department of Anaesthesiology, General Hospital of Shenyang Military Region, Shenyang, Liaoning 110015, P.R. China
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Morita T, Ishikawa M, Sakamoto A. Identical MicroRNAs Regulate Liver Protection during Anaesthetic and Ischemic Preconditioning in Rats: An animal study. PLoS One 2015; 10:e0125866. [PMID: 25974021 PMCID: PMC4431739 DOI: 10.1371/journal.pone.0125866] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 03/25/2015] [Indexed: 12/19/2022] Open
Abstract
Anaesthetic preconditioning (APC) and ischemic preconditioning (IPC) ameliorate liver ischemia-reperfusion (I/R) injury and are important for regulating hepatic I/R injury. MicroRNAs (miRNAs) are short, noncoding RNA molecules of 21-23 nucleotides in length, and are currently under intensive investigation regarding their ability to regulate gene expression in a wide range of species. miRNA activity is involved in controlling a wide range of biological functions and processes. We evaluated whether APC and IPC are mediated by the same miRNAs by performing comprehensive miRNA screening experiments in a rat model of hepatic I/R injury. Twenty-one rats were randomly divided into three groups (n = 7/group): control (mock preconditioning), APC, and IPC. Control rats were subjected to 60 min of hepatic ischemia followed by 4 h of reperfusion, whereas the APC and IPC groups were preconditioned with 2% sevoflurane and hepatic ischemia for 10 min prior to ischemia-reperfusion, respectively. Liver samples were collected to measure miRNA levels after 3 h of reperfusion, and gene networks and canonical pathways were identified using Ingenuity Pathway Analysis (IPA). Blood samples were collected to measure the levels of aspartate aminotransferase (AST) and alanine aminotransferase (ALT). Although haemodynamic parameters did not vary among the groups, AST and ALT levels were significantly higher in the control group than in the APC and IPC groups. Comprehensive miRNA screening experiments revealed that most miRNAs altered in the APC group were common to those in the IPC group. IPA identified five miRNAs related to the Akt-glycogen synthase kinase-3β (GSK-3β)-cyclin D1 pathway that were significantly affected by both preconditioning strategies. The application of either APC or IPC to ameliorate hepatic I/R injury results in expression of several common miRNAs that are related to the Akt-GSK-cyclin D1 pathway.
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Affiliation(s)
- Tomonori Morita
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Masashi Ishikawa
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
| | - Atsuhiro Sakamoto
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, Japan
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Zhang J, Wang C, Yu S, Luo Z, Chen Y, Liu Q, Hua F, Xu G, Yu P. Sevoflurane postconditioning protects rat hearts against ischemia-reperfusion injury via the activation of PI3K/AKT/mTOR signaling. Sci Rep 2014; 4:7317. [PMID: 25471136 PMCID: PMC4255182 DOI: 10.1038/srep07317] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 11/17/2014] [Indexed: 12/28/2022] Open
Abstract
Phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) pathway plays a key role in myocardial ischemia-reperfusion (I/R) injury. Mammalian target of rapamycin (mTOR), a downstream target of PI3K/AKT signaling, is necessary and sufficient to protect the heart from I/R injury. Inhaled anesthetic sevoflurane is widely used in cardiac surgeries because its induction and recovery are faster and smoother than other inhaled anesthetics. Sevoflurane proved capable of inducing postconditioning effects in the myocardium. However, the underlying molecular mechanisms for sevoflurane-induced postconditioning (SPC) were largely unclear. In the present study, we demonstrated that SPC protects myocardium from I/R injury with narrowed cardiac infarct focus, increased ATP content, and decreased cardiomyocyte apoptosis, which are mainly due to the activation of PI3K/AKT/mTOR signaling and the protection of mitochondrial energy metabolism. Application of dactolisib (BEZ235), a PI3K/mTOR dual inhibitor, abolishes the up-regulation of pho-AKT, pho-GSK, pho-mTOR, and pho-p70s6k induced by SPC, hence abrogating the anti-apoptotic effect of sevoflurane and reducing SPC-mediated protection of heart from I/R injury. As such, this study proved that PI3K/AKT/mTOR pathway plays an important role in SPC induced cardiac protection against I/R injury.
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Affiliation(s)
- Jing Zhang
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Chen Wang
- Department of Anesthesiology, the Second Affiliate Hospital of Soochow University, Suzhou, 215000, China
| | - Shuchun Yu
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Zhenzhong Luo
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Yong Chen
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Qin Liu
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Fuzhou Hua
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Guohai Xu
- Department of Anesthesiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
| | - Peng Yu
- Department of Cardiology, the Second Affiliate Hospital of Nanchang University, Nanchang, 330000, China
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Zhang YL, Yao YT, Fang NX, Zhou CH, Gong JS, Li LH. Restoration of autophagic flux in myocardial tissues is required for cardioprotection of sevoflurane postconditioning in rats. Acta Pharmacol Sin 2014; 35:758-69. [PMID: 24793309 DOI: 10.1038/aps.2014.20] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Accepted: 03/04/2014] [Indexed: 01/03/2023] Open
Abstract
AIM Sevoflurane postconditioning (SpostC) has been shown to protect the heart from ischemia-reperfusion (I/R) injury. In this study, we examined whether SpostC affected autophagic flux in myocardial tissues that contributed to its cardioprotective effects in rats following acute I/R injury. METHODS SD rats underwent 30 min of left anterior descending coronary artery ligation followed by 120 min of reperfusion. The rats were subjected to inhalation of 2.4% (v/v) sevoflurane during the first 5 min of reperfusion, and chloroquine (10 mg/kg, ip) was injected 1 h before I/R. Myocardial infarct size was estimated using TTC staining. Autophagosomes in myocardial tissues were detected under TEM. Expression of LC3B-II, beclin-1, p62/SQSTM1, cathepsin B, caspase-3 and cleaved PARP was assessed using Western blot analysis. Plasma cardiac troponin I was measured using ELISA. Cardiomyocyte apoptosis was evaluated with TUNEL staining. RESULTS I/R procedure produced severe myocardium infarct and apoptosis accompanied by markedly increased number of autophagosomes, as well as increased levels of LC3B-II, beclin-1 and p62 in myocardial tissues. SpostC significantly reduced infarct size, attenuated myocardial apoptosis, restored intact autophagic flux and improved the lysosomal function in myocardial tissues. Administration of chloroquine that blocked autophagic flux abrogated the cardioprotective effects of SpostC. CONCLUSION SpostC exerts its cardioprotective effects in rats following I/R injury via restoring autophagic flux in myocardial tissues.
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Xue FS, Cui XL, Cheng Y, Wang SY. Comparing Cardioprotective Effects of Anesthesia Methods in Patients Undergoing Elective Abdominal Aortic Surgery. Anesthesiology 2014; 120:1291-2. [DOI: 10.1097/aln.0000000000000187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Fu-Shan Xue
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China (F.-S.X.).
| | - Xin-Long Cui
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China (F.-S.X.).
| | - Yi Cheng
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China (F.-S.X.).
| | - Shi-Yu Wang
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China (F.-S.X.).
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Takeuchi J, Sakamoto A, Takizawa T. Sevoflurane anesthesia persistently downregulates muscle-specific microRNAs in rat plasma. Int J Mol Med 2014; 34:291-8. [PMID: 24718700 DOI: 10.3892/ijmm.2014.1739] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 03/31/2014] [Indexed: 11/06/2022] Open
Abstract
The volatile anesthetic, sevoflurane, is widely used in surgery. Over the years, there has been a growing interest in the biological effects of sevoflurane on tissue and organ systems and the molecular mechanisms involved. MicroRNAs (miRNAs or miRs) acting as pivotal post‑transcriptional regulators for fine-tuning gene networks are not only expressed intracellularly, but are also secreted into the plasma. However, the sevoflurane‑associated dynamics of circulating miRNAs and the effects of sevoflurane on tissues remain unknown. Thus, the aim of this study was to perform a comprehensive analysis of circulating miRNA levels and compositions in sevoflurane‑anesthetized rats. The rats were allowed to breathe spontaneously under 2% sevoflurane anesthesia for 6 h, and we performed a quantitative polymerase chain reaction (PCR)‑based array analysis of the time-dependent changes in plasma miRNA levels and compositions. Subsequently, we validated the levels of muscle‑specific miRNAs (also known as myomiRNAs; miR-1, miR‑133a, miR-133b and miR-206) of the plasma, heart and skeletal muscle by quantitative PCR following 3 and 6 h of anesthesia, as well as at 1, 3, 7 and 14 days post-anesthesia. Of the 210 miRNAs detected in the rat plasma from the control group (no anesthesia), 161 plasma miRNAs (77%) were transiently downregulated as a result of sevoflurane anesthesia. Although the downregulation of the plasma miRNAs (148 out of the 161 plasma mRNAs; 92%) recovered immediately after anesthesia, the plasma levels of 4 muscle-specific miRNAs were persistently downregulated until 14 days post-anesthesia. In the cardiac and skeletal muscles, the expression levels of the muscle-specific miRNAs were upregulated within 2 weeks post-anesthesia, indicating that the expression levels of the muscle-specific miRNAs in the cardiac and skeletal muscles and their plasma levels are substantially inversely correlated following anesthesia. Our data suggest that sevoflurane predominantly affects cardiac and skeletal muscles and suppresses the release of miRNA from these tissues into the circulation. This new information provides novel insight into the molecular mechanisms of action of the anesthetic, sevoflurane.
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Affiliation(s)
- Jumpei Takeuchi
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8602, Japan
| | - Atsuhiro Sakamoto
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8602, Japan
| | - Toshihiro Takizawa
- Department of Molecular Medicine and Anatomy, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8602, Japan
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Goto G, Hori Y, Ishikawa M, Tanaka S, Sakamoto A. Changes in the gene expression levels of microRNAs in the rat hippocampus by sevoflurane and propofol anesthesia. Mol Med Rep 2014; 9:1715-22. [PMID: 24626427 DOI: 10.3892/mmr.2014.2038] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 02/13/2014] [Indexed: 11/05/2022] Open
Abstract
General anesthesia is commonly used in the surgical arena, but little is known regarding its influence at the genomic and molecular levels. MicroRNAs (miRNAs) belong to a new class of non-coding RNA molecules which influence cell biology. In the present study, it was hypothesized that miRNAs alter gene expression levels under general anesthesia. The aim was to compare the miRNA expression profiles in the rat hippocampus in response to anesthesia with representative volatile (sevoflurane) and intravenous (propofol) anesthetics. Wistar Rats were randomly assigned to either a 2.4% sevoflurane, 600 µg/kg/min propofol or control (without anesthetics) group. Total RNA from hippocampal samples which contained miRNA was subjected to quantitative reverse transcription-polymerase chain reaction and Taqman Low-Density Arrays (TLDA). A total of 373 miRNAs are associated with rats and the TLDA analysis revealed that 279 expressed miRNAs (74.8%) were expressed in all three groups. Significant differences in the levels of 33 of the 279 expressed miRNAs (11.8%) were observed among the three groups in response to the anesthetic agents, and when compared with the control group, significant differences were found in 26 of the 279 expressed miRNAs (9.3%). Following sevoflurane anesthesia, the levels of four miRNAs were significantly increased and those of 12 were significantly reduced. By contrast, following propofol anesthesia, the levels of 11 miRNAs were significantly reduced but no miRNAs exhibited significantly elevated levels. One miRNA was common between the two anesthesia groups, whereas 14 miRNAs were significantly differentially expressed. In conclusion, sevoflurane and propofol exerted different effects on miRNA expression in the rat hippocampus.
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Affiliation(s)
- Gentaro Goto
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan
| | - Yoko Hori
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan
| | - Masashi Ishikawa
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan
| | - Shunsuke Tanaka
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan
| | - Atsuhiro Sakamoto
- Department of Anesthesiology and Pain Medicine, Graduate School of Medicine, Nippon Medical School, Tokyo 113-8603, Japan
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Wu W, Zhou X, Liu P, Fei W, Li L, Yun H. Isoflurane reduces hypoxia/reoxygenation-induced apoptosis and mitochondrial permeability transition in rat primary cultured cardiocytes. BMC Anesthesiol 2014; 14:17. [PMID: 24612850 PMCID: PMC3975578 DOI: 10.1186/1471-2253-14-17] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 03/03/2014] [Indexed: 11/10/2022] Open
Abstract
Background The volatile anesthetic isoflurane protects the heart from hypoxia/reperfusion (H/R) injury. However, it is still incompletely understood whether isoflurane exerts its protective role through preventing mitochondrial permeability transition pore (MPTP) opening. Methods Primary cultured cardiocytes were exposed to H/R in the absence or presence of isoflurane. Cell cytotoxicity and apoptosis were detected by MTT assay and TUNEL staining, respectively. MPTP function was monitored by confocal imaging after reoxygenation. ROS production and activation of caspase-3 were determined by fluorescent reader and western blot, respectively. Results As compared to the control group, H/R led to significant cell cytotoxicity and apoptosis, while application of isoflurane markedly reversed the effects. Furthermore, isoflurane significantly inhibits the formation of H/R-induced excess ROS production. Finally, isoflurane attenuated the onset of mitochondrial permeability transition pore (MPTP) occurred during hypoxia/reoxygenation, and in turn inhibited activation of caspase-3. Conclusions These data indicate that isoflurane has a protective effect on cardiocytes exposed to H/R by reducing excess ROS production, blocking open of MPTP and further reducing apoptosis.
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Affiliation(s)
| | | | | | | | | | - Huifang Yun
- Department of Anesthesiology, Changzhou No,2 People's Hospital, the affiliated hospital of Nanjing Medical University, Changzhou 213003, China.
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Yao YY, Zhu MH, Zhang FJ, Wen CY, Ma LL, Wang WN, Wang CC, Liu XB, Yu LN, Qian LB, Wang JA, Yan M. Activation of Akt and cardioprotection against reperfusion injury are maximal with only five minutes of sevoflurane postconditioning in isolated rat hearts. J Zhejiang Univ Sci B 2014; 14:511-7. [PMID: 23733428 DOI: 10.1631/jzus.b1200195] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
It had been proved that administration of sevoflurane for the first two minutes of reperfusion effectively protects the heart against reperfusion injury in rats in vivo. Our aim was to investigate the duration of effective sevoflurane administration and its underlying mechanism in isolated rat hearts exposed to global ischemia/reperfusion (I/R) injury. Adult male Sprague-Dawley rats were randomly divided into six groups (n=12): a sham-operation group, an I/R group, and four sevoflurane postconditioning groups (S2, S5, S10, and S15). In the S2, S5, S10, and S15 groups, the duration times of sevoflurane administration were 2, 5, 10, and 15 min after the onset of reperfusion, respectively. The isolated rat hearts were mounted on the Langendorff system, and after a period of equilibrium were subjected to 40 min global ischemia and 120 min reperfusion. Left ventricular (LV) hemodynamic parameters were monitored throughout each experiment and the data at 30 min of equilibrium and 30, 60, 90, and 120 min of reperfusion were analyzed. Myocardial infarct size at the end of reperfusion (n=7 in each group) and the expression of myocardial phosphorylated Akt (p-Akt) after 15-min reperfusion were determined in a duplicate set of six groups of rat hearts (n=5 in each group). Compared with the I/R group, the S5, S10, and S15 groups had significantly improved left ventricular end-diastolic pressure (LVEDP), left ventricular developed pressure (LVDP), and the maximal rate of rise or fall of the LV pressure (±dP/dtmax), and decreased myocardial infarct size (P<0.05), but not the S2 group. After 15 min of reperfusion, the expression of p-Akt was markedly up-regulated in the S5, S10, and S15 groups compared with that in the I/R group (P<0.05), but not in the S2 group. Sevoflurane postconditioning for 5 min was sufficient to activate Akt and exert maximal cardioprotection against I/R injury in isolated rat hearts.
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Affiliation(s)
- Yuan-yuan Yao
- Department of Anesthesiology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
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The anesthesia in abdominal aortic surgery (ABSENT) study: a prospective, randomized, controlled trial comparing troponin T release with fentanyl-sevoflurane and propofol-remifentanil anesthesia in major vascular surgery. Anesthesiology 2014; 119:802-12. [PMID: 23838709 DOI: 10.1097/aln.0b013e31829bd883] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND On the basis of data indicating that volatile anesthetics induce cardioprotection in cardiac surgery, current guidelines recommend volatile anesthetics for maintenance of general anesthesia during noncardiac surgery in hemodynamic stable patients at risk for perioperative myocardial ischemia. The aim of the current study was to compare increased troponin T (TnT) values in patients receiving sevoflurane-based anesthesia or total intravenous anesthesia in elective abdominal aortic surgery. METHODS A prospective, randomized, open, parallel-group trial comparing sevoflurane-based anesthesia (group S) and total intravenous anesthesia (group T) with regard to cardioprotection in 193 patients scheduled for elective abdominal aortic surgery. Increased TnT level on the first postoperative day was the primary endpoint. Secondary endpoints were postoperative complications, nonfatal coronary events and mortality. RESULTS On the first postoperative day increased TnT values (>13 ng/l) were found in 43 (44%) patients in group S versus 41 (43%) in group T (P = 0.999), with no significant differences in TnT levels between the groups at any time point. Although underpowered, the authors found no differences in postoperative complications, nonfatal coronary events or mortality between the groups. CONCLUSIONS In elective abdominal aortic surgery sevoflurane-based anesthesia did not reduce myocardial injury, evaluated by TnT release, compared with total intravenous anesthesia. These data indicate that potential cardioprotective effects of volatile anesthetics found in cardiac surgery are less obvious in major vascular surgery.
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Wang J, Zheng H, Chen CL, Lu W, Zhang YQ. Sevoflurane at 1 MAC provides optimal myocardial protection during off-pump CABG. SCAND CARDIOVASC J 2013; 47:175-84. [DOI: 10.3109/14017431.2012.760749] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Protection of pharmacological postconditioning in liver surgery: results of a prospective randomized controlled trial. Ann Surg 2013; 256:837-44; discission 844-5. [PMID: 23095629 DOI: 10.1097/sla.0b013e318272df7c] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES : To elucidate the possible organ-protective effect of pharmacological postconditioning in patients undergoing liver resection with inflow occlusion. BACKGROUND : Inflow occlusion reduces blood loss during liver transection in selected patients but is potentially harmful due to ischemia-reperfusion injury. Preventive strategies include the use of repetitive short periods of ischemia interrupted by a reperfusion phase (intermittent clamping), application of a short period of ischemia before transection (ischemic preconditioning), or pharmacological preconditioning before transection. Whether intervention after resection (postconditioning) may confer protection is unknown. METHODS : A 3 arm, prospective, randomized trial was designed for patients undergoing liver resection with inflow occlusion to compare the effects of pharmacological postconditioning with the volatile anesthetic agent sevoflurane (n = 48), intermittent clamping (n = 50), or no protective intervention (continuous inflow occlusion, n = 17). Endpoints included peak serum aspartate transaminase level, postoperative complications, and hospital stay. All patients were intravenously anesthetized with propofol. In patients with postconditioning, propofol infusion was stopped upon reperfusion and replaced with sevoflurane for 10 minutes. RESULTS : Compared with the control group, both postconditioning (P = 0.044) and intermittent clamping (P = 0.015) significantly reduced aspartate transaminase levels. The risk of complications was significantly decreased by postconditioning, odds ratio, 0.08 [95% confidence interval (CI), 0.02-0.36; P = 0.001]) and intermittent clamping, odds ratio, 0.50 [95% CI, 0.26-0.96; P = 0.038], compared with controls. Both interventions reduced length of hospital stay, postconditioning -4 days [95% CI, -6 to -1; P = 0.009], and intermittent clamping -2 days, [95% CI, -4 to 0; P = 0.019]. CONCLUSIONS : Pharmacological postconditioning reduces organ injury and postoperative complications. This easily applicable strategy should be used in patients with prolonged continuous inflow occlusion.
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Tajima T, Hirakawa K, Kawaguchi H, Sakamoto A. Proton nuclear magnetic resonance and pattern recognition analysis of liver extracts from rats under different anesthetics. BMC Med Imaging 2012; 12:28. [PMID: 22898647 PMCID: PMC3443671 DOI: 10.1186/1471-2342-12-28] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 08/13/2012] [Indexed: 01/01/2023] Open
Abstract
Background Although general anesthesia is widely used in the surgical arena, the mechanisms by which general anesthetics act remain unclear. We previously described alterations in gene expression ratios in hepatic tissue taken from rats treated with anesthetics. Consequently, it is considered that anesthetics influence liver metabolism. Thus, the goal of this study was to use pattern recognition analysis of proton nuclear magnetic resonance spectra to visualize changes in liver metabolic phenotypes in response to widely used intravenous anesthetics (propofol and dexmedetomidine) and inhalational anesthetics (sevoflurane and isoflurane). Methods Rats were randomized into 13 groups (n = 6 in each group), and each group received one of following agents: propofol, dexmedetomidine, sevoflurane, isoflurane, or no anesthetic (control group). The liver was directly removed from rats immediately after or 24 h or 48 h after a 6-h period of anesthesia. Hydrophilic compounds were extracted from the liver and were analyzed with proton nuclear magnetic resonance spectroscopy. All spectral data were processed and analyzed by principal component analysis for comparison of metabolite profiles. Results Data were visualized by plotting principal component (PC) scores. In the plots, each point represents an individual sample. Each group was clustered separately on the plots, and the PC scores of the propofol group were clearly distinct from those of the control group and other anesthetic groups. The difference in PC scores was more pronounced immediately after completion of anesthesia when compared with 24 or 48 h after completion of anesthesia. Although the effect of intravenous anesthetics on the liver dissipated over time, the effect of inhalational anesthetics persisted. Conclusions Propofol, dexmedetomidine, sevoflurane and isoflurane exert different effects on liver metabolism. In particular, liver metabolism was markedly altered after exposure to propofol. The effect of anesthesia on the liver under propofol or dexmedetomidine resolved rapidly when compared with the effect under sevoflurane or isoflurane.
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Affiliation(s)
- Tomoyuki Tajima
- Department of Anesthesiology, Nippon Medical School, Bunkyo-ku, Tokyo, Japan.
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Tai W, Shi E, Yan L, Jiang X, Ma H, Ai C. Diabetes abolishes the cardioprotection induced by sevoflurane postconditioning in the rat heart in vivo: roles of glycogen synthase kinase-3β and its upstream pathways. J Surg Res 2012; 178:96-104. [PMID: 22482760 DOI: 10.1016/j.jss.2012.02.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 01/29/2012] [Accepted: 02/09/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND We measured the cardioprotection afforded by sevoflurane postconditioning in streptozotocin-induced diabetic rats (DRs) and determined the roles of glycogen synthase kinase (GSK), phosphatidylinositol-3-kinase/Akt, and extracellular signal-regulated kinase (ERK1/2) in such a procedure. METHODS DRs and nondiabetic rats (NDRs) were subjected to a 30-min coronary artery occlusion followed by a 120-min reperfusion. Postconditioning was achieved by inhalation of 1 minimum alveolar concentration sevoflurane at the first 5 min of reperfusion. The infarct size was determined by triphenyltetrazolium chloride staining. Expressions of GSK-3β, Akt, and ERK1/2 were measured using Western blotting. RESULTS In NDRs, the infarct size was significantly decreased from 53.4% ± 7.6% to 34.9% ± 5.6% by sevoflurane postconditioning (P < 0.01). Such an anti-infarct effect was abolished completely in the DRs, as evidenced by a similar infarct size observed between the sevoflurane-treated and untreated DRs (49.3% ± 8.6% and 49.6% ± 9.3%, respectively, P > 0.05). Direct inhibition of GSK-3β by injection of SB216763 just before the start of reperfusion induced equivalent infarct-sparing effects in both NDRs (37.8% ± 3.9% and 53.4% ± 7.6% in SB216763-treated and untreated NDRs, respectively; P < 0.01) and DRs (38.8% ± 3.2% and 49.3% ± 8.6% in SB216763-treated and untreated DRs, respectively; P < 0.05). Sevoflurane postconditioning remarkably enhanced the phosphorylation of GSK-3β Ser(9), Akt Ser(473), and ERK1/2 in NDRs, which were blocked in DRs. CONCLUSIONS The cardioprotection induced by sevoflurane postconditioning is abolished by diabetes. This might be due to the impairment of phosphorylation of GSK-3β and its upstream signaling pathways of phosphatidylinositol-3-kinase/Akt and ERK1/2 in the presence of diabetes.
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Affiliation(s)
- Wenjun Tai
- Department of Anesthesiology, First Affiliated Hospital, China Medical University, Liaoning, People's Republic of China
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Stumpner J, Lange M, Beck A, Smul TM, Lotz CA, Kehl F, Roewer N, Redel A. Desflurane-induced post-conditioning against myocardial infarction is mediated by calcium-activated potassium channels: role of the mitochondrial permeability transition pore. Br J Anaesth 2012; 108:594-601. [PMID: 22315330 DOI: 10.1093/bja/aer496] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Desflurane (DES)-induced preconditioning is mediated by large-conductance calcium-activated potassium channels (BK(Ca)). Whether BK(Ca) are involved in anaesthetic-induced post-conditioning is unknown. We tested the hypothesis that DES-induced post-conditioning is mediated by BK(Ca) upstream of the mitochondrial permeability transition pore (mPTP). METHODS Pentobarbital-anaesthetized male C57Black/6 mice were subjected to 45 min coronary artery occlusion (CAO) and 3 h reperfusion. Animals received either no intervention or dimethylsulphoxide (DMSO, 10 µl g(-1)). DES (1.0 MAC, 7.5 vol%) was administered for 18 min, starting 3 min before the end of CAO. The following agents were given either alone or in combination with DES: the BK(Ca) activator NS1619 (1 µg g(-1)), the BK(Ca) inhibitor iberiotoxin (IbTx, 0.05 µg g(-1)), the mPTP opener atractyloside (ATRA, 25 µg g(-1)), and the mPTP inhibitor cyclosporine A (CYC A, 10 µg g(-1)). Infarct size (IS) was determined with triphenyltetrazolium chloride and the area at risk with Evans Blue, respectively. RESULTS IS in control animals was 48(6)%. Neither DMSO, IbTx nor ATRA affected myocardial IS. DES alone or NS1619 alone or the combination reduced IS (P<0.05), CYC A alone or in combination with IbTx or DES also reduced IS (P<0.05). DES-induced reduction of myocardial IS was completely abolished by IbTx and was partially blocked by ATRA and ATRA partially blocked IS reduction by NS1619. CONCLUSIONS These data suggest that DES-induced post-conditioning against myocardial infarction is mediated by BK(Ca) and mPTP. Cardioprotection by BK(Ca) activator NS1619 might occur, at least in part, independently of mPTP.
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Affiliation(s)
- J Stumpner
- Department of Anaesthesia and Critical Care, University of Wuerzburg, Oberduerrbacher Str. 6, 97080 Wuerzburg, Germany.
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The effect of sevoflurane postconditioning on cardioprotection against ischemia-reperfusion injury in rabbits. Mol Biol Rep 2012; 39:6049-57. [DOI: 10.1007/s11033-011-1419-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Accepted: 12/19/2011] [Indexed: 10/14/2022]
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Clinical application of the cardioprotective effects of volatile anaesthetics: PRO--get an extra benefit from a proven anaesthetic free of charge. Eur J Anaesthesiol 2011; 28:620-2. [PMID: 21760514 DOI: 10.1097/eja.0b013e328349d5f3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Volatile anaesthetic agents have been used in millions of patients around the world and have proved to be both well tolerated and efficient. In recent years, cardioprotective properties of these drugs have been demonstrated unequivocally in numerous experimental investigations, but the beneficial effects of volatile anaesthetics in daily clinical practice are still under debate. In order to elucidate their cardioprotective properties in an unbiased way, the STAIR (Stroke Therapy Academic Industry Roundtable Preclinical Recommendation) criteria proposed as a framework for researchers in the field of neuroprotection can be applied to research conducted in the field of cardioprotection by volatile anaesthetics. All STAIR criteria have already been clearly fulfilled when all experimental and clinical studies are considered. Specifically, a dose-response pattern has been found with a minimal alveolar concentration value and a ceiling effect; volatile anaesthetics show two distinct therapeutic windows after application; important outcome measures such as hospital length of stay have been addressed; and multiple species have been studied by different independent groups of researchers who were largely able to reproduce their findings. Given the numerous confounding factors capable of attenuating or even abolishing the cardioprotective properties of volatile anaesthetics in laboratory investigations, the positive effects found in the majority of clinical trials point to the fact that the cardioprotective effects exerted by volatile anaesthetics are robust and triggered by interactions with several distinct cellular and subcellular targets, thereby providing multiplication and reiteration. The available evidence indicates that volatile anaesthetic agents should be used routinely in clinical practice in order to claim an extra benefit for our patients 'free of charge'.
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Cardioprotective effects of inhalational and intravenous anesthetics. COR ET VASA 2011. [DOI: 10.33678/cor.2011.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Sevoflurane Postconditioning Attenuates Spinal Cord Reperfusion Injury Through Free Radicals-Mediated Up-Regulation of Antioxidant Enzymes in Rabbits. J Surg Res 2011; 169:292-300. [DOI: 10.1016/j.jss.2009.11.707] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2009] [Revised: 10/26/2009] [Accepted: 11/12/2009] [Indexed: 12/20/2022]
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Kim TY, Kim DK, Yoon TG, Lim JA, Woo NS, Chee HK, Shin JK, Song MG, Kim SH. Myocardial Injury in Remifentanil-Based Anaesthesia for off-Pump Coronary Artery Bypass Surgery: An Equipotent Dose of Sevoflurane versus Propofol. Anaesth Intensive Care 2011; 39:418-25. [DOI: 10.1177/0310057x1103900312] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This randomised controlled trial compared the effect of equipotent anaesthetic doses of sevoflurane (S group) versus propofol (P group), during remifentanil-based anaesthesia for off-pump coronary artery bypass surgery, on myocardial injury. Either sevoflurane or propofol was titrated to maintain bispectral index values between 40 and 50. In both groups, a targeted concentration of remifentanil 20 ng.ml-1 was maintained during anaesthesia. The concentrations of creatine kinase MB and troponin I were measured before the start of surgery, on admission to the intensive care unit, and at 12 and 24 hours after intensive care unit admission. The postoperative values of creatine kinase MB (S group: 15.08±18.97, 20.78±20.92, 12.76±12.82 vs 2.09±1.54 ng.ml-1; P group: 10.99±13.15, 27.16±56.55, 11.88±18.80 vs 1.84±1.67 ng.ml-1) and troponin I (S group: 3.56±5.19, 5.66±7.89, 3.35±4.55 vs 0.52±1.90 ng.ml-1; P group: 2.42±3.33, 4.11±6.01, 3.04±5.31 vs 0.43±1.28 ng.ml-1) were significantly higher than preoperative values in both groups but there were no significant differences between the two groups. There were no significant differences in time to extubation (S group, 476±284 minutes; P group, 450±268 minutes) and intensive care unit length of stay (S group, 2775±1449 minutes; P group, 2797±1534 minutes) between the two groups. In conclusion, sevoflurane and propofol at equipotent doses guided by bispectral index with remifentanil 20 ng.ml-1 had similar creatine kinase MB and troponin I values.
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Affiliation(s)
- T.-Y. Kim
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - D.-K. Kim
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
- Department of Cardiovascular and Thoracic Surgery
| | - T.-G. Yoon
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
- Department of Cardiovascular and Thoracic Surgery
| | - J.-A. Lim
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - N.-S. Woo
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - H.-K. Chee
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
- Department of Anaesthesiology
| | - J.-K. Shin
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
- Department of Anaesthesiology
| | - M.-G. Song
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
- Department of Anaesthesiology
| | - S.-H. Kim
- Department of Anaesthesiology and Pain Medicine, Konkuk University School of Medicine, Seoul, Korea
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Hellström J, Öwall A, Bergström J, Sackey PV. Cardiac outcome after sevoflurane versus propofol sedation following coronary bypass surgery: a pilot study. Acta Anaesthesiol Scand 2011; 55:460-7. [PMID: 21342154 DOI: 10.1111/j.1399-6576.2011.02405.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Studies of volatile anesthetic administration during coronary artery bypass grafting (CABG) report reduced serum levels of post-operative cardiac troponin-T (cTnT). Our primary objective was to evaluate whether short-term sedation with sevoflurane in the intensive care unit (ICU)--after CABG--could affect the release of cTnT, compared with propofol sedation. METHODS Following isolated CABG with cardiopulmonary bypass, 100 patients were randomized to either sevoflurane via the Anesthetic Conserving Device (AnaConDa(®)) or propofol for ICU sedation. Study drugs were administered for 2 h during mechanical ventilation and thereafter until extubation criteria were met. The primary endpoint was cTnT 12 h post-operatively. Crude cTnT data were not normally distributed and therefore compared with the Mann-Whitney U-test. Because of the skewed pre-operative and post-operative cTnT data, we performed a post hoc analysis of the change in cTnT between pre-operative values and 12 h post-operatively. RESULTS There was no statistically significant difference between groups in the primary endpoint cTnT values at 12 h post-operatively, cardiac events or the need for hemodynamic support. In the post hoc analysis, the cTnT increase from pre-operative values to 12 h post-operatively was less pronounced in the sevoflurane group (P=0.008). CONCLUSION Post-operative short-term sevoflurane sedation following CABG, in comparison with propofol, did not affect the cTnT values at 12 h post-operatively and clinical outcome was equal between groups. The result from the post hoc analysis, with less cTnT change over time, is nevertheless hypothesis-generating and warrants a larger study.
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Affiliation(s)
- J Hellström
- Institution of Molecular Medicine and Surgery, Section of Cardiothoracic Surgery and Anesthesiology, Karolinska Institutet, Stockholm, Sweden.
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Hanci V, Aydin M, Yurtlu BS, Ayoğlu H, Okyay RD, Taş E, Erdoğan G, Aydoğan K, Turan IO. Anesthesia induction with sevoflurane and propofol: evaluation of P-wave dispersion, QT and corrected QT intervals. Kaohsiung J Med Sci 2011; 26:470-7. [PMID: 20837343 DOI: 10.1016/s1607-551x(10)70074-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2009] [Accepted: 03/25/2010] [Indexed: 12/24/2022] Open
Abstract
The present study compared the effects of anesthesia induction with sevoflurane and propofol on hemodynamics, P-wave dispersion (Pwd), QT interval and corrected QT (QTc) interval. A total of 72 adult patients were included in this prospective study. All patients had control electrocardiograms (ECGs) before anesthesia induction. Anesthesia was induced with sevoflurane inhalation or intravenous propofol. Electrocardiography for all patients was performed during the 1(st) and 3(rd) minutes of induction, 3 minutes after administration of muscle relaxant, and at 5 minutes and 10 minutes after intubation. Pwd and QT intervals were measured on all ECGs. QTc intervals were determined using the Bazett formula. There was no significant difference in Pwd and QT and QTc intervals on control ECGs. In the sevoflurane group, except for control ECGs, Pwd and QTc interval on all ECGs were significantly longer than those in the propofol group (p < 0.05). We conclude that propofol should be used for anesthesia induction in patients with a predisposition to preoperative arrhythmias, and in those whose Pwd and QTc durations are prolonged on preoperative ECGs.
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Affiliation(s)
- Volkan Hanci
- Department of Anesthesiology and Reanimation, School of Medicine, Zonguldak Karaelmas University, Turkey.
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Yu LN, Yu J, Zhang FJ, Yang MJ, Ding TT, Wang JK, He W, Fang T, Chen G, Yan M. Sevoflurane postconditioning reduces myocardial reperfusion injury in rat isolated hearts via activation of PI3K/Akt signaling and modulation of Bcl-2 family proteins. J Zhejiang Univ Sci B 2011; 11:661-72. [PMID: 20803770 DOI: 10.1631/jzus.b1000155] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Sevoflurane postconditioning reduces myocardial infarct size. The objective of this study was to examine the role of the phosphatidylinositol-3-kinase (PI3K)/Akt pathway in anesthetic postconditioning and to determine whether PI3K/Akt signaling modulates the expression of pro- and antiapoptotic proteins in sevoflurane postconditioning. Isolated and perfused rat hearts were prepared first, and then randomly assigned to the following groups: Sham-operation (Sham), ischemia/reperfusion (Con), sevoflurane postconditioning (SPC), Sham plus 100 nmol/L wortmannin (Sham+Wort), Con+Wort, SPC+Wort, and Con+dimethylsulphoxide (DMSO). Sevoflurane postconditioning was induced by administration of sevoflurane (2.5%, v/v) for 10 min from the onset of reperfusion. Left ventricular developed pressure (LVDP), left ventricular end-diastolic pressure (LVEDP), maximum increase in rate of LVDP (+dP/dt), maximum decrease in rate of LVDP (-dP/dt), heart rate (HR), and coronary flow (CF) were measured at baseline, R30 min (30 min of reperfusion), R60 min, R90 min, and R120 min. Creatine kinase (CK) and lactate dehydrogenase (LDH) were measured after 5 min and 10 min reperfusion. Infarct size was determined by triphenyltetrazolium chloride staining at the end of reperfusion. Total Akt and phosphorylated Akt (phospho-Akt), Bax, Bcl-2, Bad, and phospho-Bad were determined by Western blot analysis. Analysis of variance (ANOVA) and Student-Newman-Keuls' test were used to investigate the significance of differences between groups. The LVDP, + or - dP/dt, and CF were higher and LVEDP was lower in the SPC group than in the Con group at all points of reperfusion (P<0.05). The SPC group had significantly reduced CK and LDH release and decreased infarct size compared with the Con group [(22.9 + or - 8)% vs. (42.4 + or - 9.4)%, respectively; P<0.05]. The SPC group also had increased the expression of phospho-Akt, Bcl-2, and phospho-Bad, and decreased the expression of Bax. Wortmannin abolished the cardioprotection of sevoflurane postconditioning. Sevoflurane postconditioning may protect the isolated rat heart. Activation of PI3K and modulation of the expression of pro- and antiapoptotic proteins may play an important role in sevoflurane-induced myocardial protection.
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Affiliation(s)
- Li-na Yu
- Department of Anesthesiology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
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Huhn R, Heinen A, Hollmann MW, Schlack W, Preckel B, Weber NC. Cyclosporine A administered during reperfusion fails to restore cardioprotection in prediabetic Zucker obese rats in vivo. Nutr Metab Cardiovasc Dis 2010; 20:706-712. [PMID: 19819119 DOI: 10.1016/j.numecd.2009.06.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2009] [Revised: 06/03/2009] [Accepted: 06/23/2009] [Indexed: 11/21/2022]
Abstract
BACKGROUND AND AIMS Hyperglycaemia blocks sevoflurane-induced postconditioning, and cardioprotection in hyperglycaemic myocardium can be restored by inhibition of the mitochondrial permeability transition pore (mPTP). We investigated whether sevoflurane-induced postconditioning is also blocked in the prediabetic heart and if so, whether cardioprotection could be restored by inhibiting mPTP. METHODS AND RESULTS Zucker lean (ZL) and Zucker obese (ZO) rats were assigned to one of seven groups. Animals underwent 25 min of ischaemia and 120 min of reperfusion. Control (ZL-/ZO Con) animals were not further treated. postconditioning groups (ZL-/ZO Sevo-post) received sevoflurane for 5 min starting 1min prior to the onset of reperfusion. The mPTP inhibitor cyclosporine A (CsA) was administered intravenously in a concentration of 5 (ZO CsA and ZO CsA+Sevo-post) or 10 mg/kg (ZO CsA10+Sevo-post) 5 min before the onset of reperfusion. At the end of reperfusion, infarct sizes were measured by TTC staining. Blood samples were collected to measure plasma levels of insulin, cholesterol and triglycerides. Sevoflurane postconditioning reduced infarct size in ZL rats to 35±12% (p<0.05 vs. ZL Con: 60±6%). In ZO rats sevoflurane postconditioning was abolished (ZO Sevo-post: 59±12%, n.s. vs. ZO Con: 58±6%). 5 mg and 10 mg CsA could not restore cardioprotection (ZO CsA+Sevo-post: 59±7%, ZO CsA10+Sevo-post: 57±14%; n.s. vs. ZO Con). In ZO rats insulin, cholesterol and triglyceride levels were significant higher than in ZL rats (all p<0.05). CONCLUSION Inhibition of mPTP with CsA failed to restore cardioprotection in the prediabetic but normoglycaemic heart of Zucker obese rats in vivo.
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Affiliation(s)
- R Huhn
- Department of Anaesthesiology, Academic Medical Centre (AMC), University of Amsterdam, Amsterdam, The Netherlands
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