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Yuan Y, Chen L. Clinical effect of perioperative stellate ganglion block on mechanical ventilation and respiratory function of elderly patients with septic shock. Medicine (Baltimore) 2024; 103:e38166. [PMID: 38788036 PMCID: PMC11124723 DOI: 10.1097/md.0000000000038166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 04/17/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Here we investigated the effect of a stellate ganglion block on the perioperative mechanical ventilation and postoperative recovery of respiratory function of elderly patients with infectious shock. METHODS Thirty-six elderly patients with septic shock who underwent emergency general anesthesia at our hospital were randomly divided into treatment (T) and control (C) groups (n = 18 each). Group T received a preoperative stellate ganglion block, whereas group C received normal saline. Procalcitonin and C-reactive protein levels were compared preoperatively and at 1 and 7 days postoperative. Mean arterial pressure, oxygen saturation, and mean pulmonary artery pressure were measured preoperative and postoperative as well as at 1 and 7 days later. A blood gas analysis was performed preoperatively, at the end of the operation, during extubation, and at 1 and 7 days postoperative. Intubation under general anesthesia, the completion of anesthesia, and spontaneous respiratory recovery involve pulmonary dynamic compliance, plateau pressure, and mechanical ventilation. RESULTS General condition did not differ significantly between groups (P > .05). However, mean arterial pressure at the end of surgery and at 1 and 7 days postoperative were significantly higher in group T versus C (P < .05). Furthermore, mean oxygen saturation at the end of surgery and at 1 and 7 days postoperative was significantly lower in group T versus C (P < .05), while procalcitonin and C-reactive protein levels were significantly lower at 1 and 7 days postoperative. Group T had significantly better arterial partial pressure of carbon dioxide, partial pressure of oxygen, and partial pressure of oxygen/fraction of inspired oxygen than group C at the end of surgery, during extubation, and at 1 and 7 days postoperative (P < .05). CONCLUSION Group T exhibited superior inflammatory responses and respiratory function. Stellate ganglion block in elderly patients with septic shock reduces inflammation, improves mechanical ventilation perioperatively, and promotes postoperative recovery and respiratory function.
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Affiliation(s)
- Yingchuan Yuan
- Department of Anesthesiology, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Lu Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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Xu B, Huang M, Qi H, Xu H, Cai L. Tomatidine activates autophagy to improve lung injury and inflammation in sepsis by inhibiting NF-κB and MAPK pathways. Mol Genet Genomics 2024; 299:14. [PMID: 38400847 DOI: 10.1007/s00438-024-02109-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 12/29/2023] [Indexed: 02/26/2024]
Abstract
Sepsis-induced acute lung injury (ALI) is a life-threatening medical condition with high mortality and morbidity. Autophagy is involved in the pathophysiological process of sepsis-induced ALI, including inflammation, which indicates that regulating autophagy may be beneficial for this disease. Tomatidine, a natural compound abundant in unripe tomatoes, has been reported to have anti-inflammatory, anti-tumorigenic, and lipid-lowering effects. However, the biological functions and mechanisms of tomatidine in sepsis-induced ALI remain unknown. The principal objective of this study was to investigate the effect of tomatidine on sepsis-induced ALI. Cecal ligation and puncture (CLP) was used to induce septic lung injury in mice, and 10 mg/kg tomatidine was intraperitoneally injected into mice 2 h after the operation. The results of hematoxylin and eosin staining and assessment of lung edema and total protein levels in bronchoalveolar lavage fluid (BALF) demonstrated that tomatidine alleviated CLP-induced severe lung injuries such as hemorrhage, infiltration of inflammatory cells, and interstitial and alveolar edema in mice. Additionally, the levels of proinflammatory cytokines in BALF and lung tissues were measured by enzyme-linked immunosorbent assay (ELISA), and the results showed that tomatidine inhibited CLP-induced inflammatory damage to lungs. Moreover, the results of western blotting showed that tomatidine promoted autophagy during CLP-induced ALI. Mechanistically, immunofluorescence staining and western blotting were used to measure the protein levels of TLR4, phosphorylated NF-κB, phosphorylated IκBα, and phosphorylated MAPKs, showing that tomatidine inactivated NF-κB and MAPK signaling in lung tissues of CLP-induced ALI mice. In conclusion, tomatidine exerts protective effects against sepsis-induced severe damage to the lungs by inhibiting inflammation and activating autophagy in CLP-treated mice through inactivating the NF-κB and MAPK pathways, which may be an effective candidate for treating septic ALI.
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Affiliation(s)
- Bo Xu
- Department of Emergency Medicine, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 230000, China.
| | - Min Huang
- Department of Infectious Diseases, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 230000, China
| | - Hang Qi
- Department of Emergency Medicine, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 230000, China
| | - Hongzhou Xu
- Department of Emergency Medicine, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 230000, China
| | - Liang Cai
- Department of Emergency Medicine, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 230000, China
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Pearson L, Maina A, Compratt T, Harden S, Aaroe A, Copas W, Thompson L. Stellate Ganglion Block Relieves Long COVID-19 Symptoms in 86% of Patients: A Retrospective Cohort Study. Cureus 2023; 15:e45161. [PMID: 37711269 PMCID: PMC10498998 DOI: 10.7759/cureus.45161] [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] [Accepted: 09/13/2023] [Indexed: 09/16/2023] Open
Abstract
Post-COVID-19 condition, also known as long COVID-19 syndrome and post-acute sequelae of SARS-CoV-2, encompasses an array of symptoms that persist well beyond the initial phase of the viral infection. These symptoms can range in intensity, from mild and manageable to severe and incapacitating. Due to the evolving nature of the SARS-CoV-2 pandemic, treatment protocols for the illness are in a constant state of evolution. The early stage of long COVID-19 syndrome contributes to a dearth of treatment protocols based on empirical evidence, while the absence of a conclusive pathophysiological understanding further complicates the development of such protocols. Current treatment regimens include homeopathic medicine, specialist system-focused treatments, infusion therapies, hyperbaric oxygenation, antivirals, and polypharmacy. The physiological, psychological, and societal impact of long COVID-19 cannot be approached casually and must govern the intensity with which the healthcare community approaches the treatment of long COVID-19 syndrome. In this 41-patient cohort study from a chronic pain management practice, the use of either unilateral or bilateral stellate ganglion block (SGB) was explored to manage symptoms associated with long COVID-19 syndrome. Results indicated that a substantial proportion of patients (86%) experienced a reduction of their symptoms following SGB treatment.
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Affiliation(s)
- Lisa Pearson
- Pain Management, University of South Florida, Tampa, USA
- Pain Management, Metamorphosis Ltd., Canon City, USA
- Pain Management, Texas Christian University, Fort Worth, USA
| | - Alfred Maina
- Anesthesia, Missouri State University, Springfield, USA
- Pain Management, Metamorphosis Ltd., Colorado Springs, USA
| | | | - Sherri Harden
- Pain Management, Metamorphosis Ltd., Colorado Springs, USA
| | - Abbey Aaroe
- Pain Management, Metamorphosis Ltd., Canon City, USA
| | - Whitney Copas
- Pain Management, Metamorphosis Ltd., Canon City, USA
| | - Leah Thompson
- Nursing, University of Colorado, Denver, USA
- Pain Management, Metamorphosis Ltd., Colorado Springs, USA
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Zhang J, Zhang Z, Nie X, Liu Y, Qi Y, Wang J. Deregulated RNAs involved in sympathetic regulation of sepsis-induced acute lung injury based on whole transcriptome sequencing. BMC Genomics 2022; 23:836. [PMID: 36526959 PMCID: PMC9758828 DOI: 10.1186/s12864-022-09073-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 12/06/2022] [Indexed: 12/23/2022] Open
Abstract
Sympathetic nerves play essential roles in the regulation of lung inflammation, and we investigated the effect of sympathetic denervation (SD) on sepsis-induced acute lung injury (ALI) in mice. Mice were randomized to the control, SD, ALI and SD + ALI, groups. SD and ALI were established through intratracheal 6-hydroxydopamine and intraperitoneal lipopolysaccharide, respectively. Models and gene expressions levels were evaluated by HE staining, ELISA, Western blotting and RT-qPCR. RNA extraction, whole transcriptome sequencing and subsequent biostatistical analysis were performed. Sympathetic denervation in the lungs significantly attenuated lung TNF-ɑ and norepinephrine expression, alleviated sepsis-induced acute lung injury and inhibited NF-κB signaling. Compared with the ALI group, the SD + ALI group exhibited 629 DE circRNAs, 269 DE lncRNAs,7 DE miRNAs and 186 DE mRNAs, respectively. Some DE RNAs were validated by RT-qPCR. CircRNA-miRNA-mRNA regulatory networks in the SD + ALI group revealed enrichment of the B-cell receptor signaling pathway, IL-17 signaling pathway, neuroactive ligand-receptor interaction, CAM, primary immunodeficiency, and cytokine-cytokine receptor interaction terms. The lncRNA-miRNA-mRNA network also revealed inflammation-related signaling pathways. Taken together, based on the successfully established models of SD and ALI, we show here that sympathetic nerves may regulate sepsis-induced ALI supposedly by affecting the expression of circRNAs, lncRNAs, miRNAs, and mRNAs in the lungs. These results may allow for further exploration of the roles of pulmonary sympathetic nerves in sepsis-induced ALI.
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Affiliation(s)
- Jia Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, Henan, China
| | - Zhao Zhang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Xinran Nie
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, Henan, China
| | - Yingli Liu
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, Henan, China
| | - Yong Qi
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, Henan, China.
| | - Jing Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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Zhang J, Liu Y, Li H, Hu Y, Yu S, Liu Q, Chen Y. Stellate Ganglion Block Improves Postoperative Cognitive Dysfunction in aged rats by SIRT1-mediated White Matter Lesion Repair. Neurochem Res 2022; 47:3838-3853. [DOI: 10.1007/s11064-022-03800-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 12/04/2022]
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Wang L, Yuan N, Li Y, Ma Q, Zhou Y, Qiao Z, Li S, Liu C, Zhang L, Yuan M, Sun J. Stellate ganglion block relieves acute lung injury induced by severe acute pancreatitis via the miR-155-5p/SOCS5/JAK2/STAT3 axis. Eur J Med Res 2022; 27:231. [PMID: 36333771 PMCID: PMC9636723 DOI: 10.1186/s40001-022-00860-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022] Open
Abstract
Acute lung injury (ALI), a prevalent complication of severe acute pancreatitis (SAP), is also a leading contributor to respiratory failure and even death of SAP patients. Here, we intended to investigate the function and mechanism of stellate ganglion block (SGB) in ameliorating SAP-induced ALI (SAP-ALI). We engineered an SAP-ALI model in rats and treated them with SGB. HE staining and the dry and wet method were implemented to evaluate pathological alterations in the tissues and pulmonary edema. The rats serum changes of the profiles of TNF-α, IL-6, IL-1β, and IL-10 were examined. The profiles of miR-155-5p and SOCS5/JAK2/STAT3 were detected. Functional assays were performed for confirming the role of miR-155-5p in modulating the SOCS5/JAK2/STAT3 pathway in pulmonary epithelial cells. Our findings revealed that SGB vigorously alleviated SAP rat lung tissue damage and lung edema and lessened the generation of pro-inflammatory cytokines TNF-α, IL-6, and IL-1β. SGB enhanced SOCS5 expression, hampered miR-155-5p, and suppressed JAK2/STAT3 pathway activation. As evidenced by mechanism studies, miR-155-5p targeted the 3′UTR of SOCS5 and repressed its expression, hence resulting in JAK2/STAT3 pathway activation. During animal trials, we discovered that SGB ameliorated SAP-ALI, boosted SOCS5 expression, and mitigated the levels of pro-inflammatory factors and miR-155-5p in the plasma. In vitro, miR-155-5p overexpression substantially facilitated pulmonary epithelial cell apoptosis, inflammation, and JAK2/STAT3 pathway activation and restrained SOCS5 expression. All in all, our work hinted that SGB could modulate the miR-155-5p/SOCS5/JAK2/STAT3 axis to alleviate SAP-ALI.
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Jing L, Wu Y, Liang F, Jian M, Bai Y, Wang Y, Liu H, Wang A, Chen X, Han R. Effect of early stellate ganglion block in cerebral vasospasm after aneurysmal subarachnoid hemorrhage (BLOCK-CVS): study protocol for a randomized controlled trial. Trials 2022; 23:922. [DOI: 10.1186/s13063-022-06867-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
Abstract
Introduction
Stellate ganglion block has been reported to expand cerebral vessels and alleviate vasospasm after aneurysmal subarachnoid hemorrhage. However, the causal relationship between early stellate ganglion block and cerebral vasospasm prevention has not yet been established. The purpose of this study was to explore the effectiveness and safety of early stellate ganglion block as a preventive treatment for cerebral vasospasm and delayed cerebral ischemia.
Methods/design
This is a single-center, prospective, randomized, controlled, blinded endpoint assessment superiority trial. A total of 228 patients will be randomized within 48 h of aneurysmal subarachnoid hemorrhage onset in a 1:1 ratio into two groups, one group receiving an additional e-SGB and the other group receiving only a camouflaging action before anesthesia induction in the operating room. The primary outcome is the incidence of symptomatic vasospasm within 14 days after aSAH. Further safety and efficacy parameters include the incidence of radiographic vasospasm, new cerebral infarction, postoperative delirium, and complications up to 90 days after surgery; postoperative cerebral hemodynamics; Mini-Mental State Examination score; modified Rankin scale score; and all-cause mortality up to 90 days after surgery.
Discussion
This is a randomized controlled trial to explore the effectiveness and safety of early stellate ganglion block as a preventive treatment to reduce cerebral vasospasm in patients with aneurysmal subarachnoid hemorrhage. If the results are positive, it may provide a new direction for the prevention and treatment of cerebral vasospasm and delayed cerebral ischemia.
Trial registration
The study was registered on Clincaltrials.gov on December 13, 2020 (NCT04691271).
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Gu Z, Xin L, Yu H, Lu S, Wu J, Wang H, Huang D, Hu C. Cervical sympathetic trunk transection alleviates acute lung injury caused by intestinal obstruction via inhibition of phospholipase A 2 in rats. BMC Anesthesiol 2022; 22:270. [PMID: 35999492 PMCID: PMC9400334 DOI: 10.1186/s12871-022-01814-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 08/18/2022] [Indexed: 11/16/2022] Open
Abstract
Background Intestinal obstruction can result in inflammatory injury to distant organs, especially the lungs. Stellate ganglion block (SGB) provides sympathetic nervous homeostasis and inhibits the systemic inflammatory response. This study aimed to investigate whether SGB can alleviate acute lung injury by inhibiting phospholipase A2 expression in rats. Methods Thirty healthy male Sprague–Dawley rats were divided into three groups: C group (sham-operated); CLP group (cecal ligation and puncture with intestinal obstruction), and cervical sympathetic trunk transection (CSTT) group (transection of the cervical sympathetic trunk following CLP).Arterial blood samples were obtained to determine the ratio of partial arterial pressure of oxygen (PaO2) to fraction of oxygen in inspired air (FiO2). Venous blood samples were used to evaluate the serum concentrations of chemokines, tumor necrosis factor (TNF)-α, interleukin (IL)-6, and IL-10 using enzyme-linked immunosorbent assays. Following euthanasia, the lungs were isolated to estimate the wet/dry lung weight (W/D) ratio, evaluate the pathological damage to lung tissues on microscopy, and determine secretory-type phospholipase A2 (sPLA2) expression using western blotting. Results Rats in the CLP group showed increased fatigue, decreased activity levels, and coarse, gray hair. The levels of chemokines, TNF-α, and IL-6 in the CLP and CSTT groups were higher than those in the C group. However, the levels were lower in the CSTT group than those in the CLP group. IL-10 levels in the CLP group were higher and lower than those in the C and CSTT groups, respectively. W/D ratios and PaO2/FiO2 in the CLP and CSTT groups were higher than those in the C group, whereas these ratios in the CSTT group were lower than those in the CLP group. No lung injury was noted in group C, and the lung injury scores were lower in the CSTT group than those in the CLP group. sPLA2 expression levels in the CLP group were higher than those in the C group, whereas these levels in the CSTT group were lower than those in the CLP group. Conclusions sPLA2 overexpression in the lungs may be a pathogenic factor in acute lung injury. CSTT alleviated acute lung injury by inhibiting sPLA2 expression. Supplementary Information The online version contains supplementary material available at 10.1186/s12871-022-01814-2.
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Affiliation(s)
- Zhengfeng Gu
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China.
| | - Lian Xin
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Huizhi Yu
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Shunmei Lu
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Jinbo Wu
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Hui Wang
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Dongxiao Huang
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
| | - Chunxiao Hu
- Department of Analgesia and Anesthesiology, Nanjing Medical University Affiliated Wuxi People's Hospital, Wuxi, China
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Zhang G, Wang F, Ran Y, Liu D. Applications of the ultrasound-guided nerve block technique for nonanalgesic effects. IBRAIN 2022; 8:389-400. [PMID: 37786735 PMCID: PMC10528970 DOI: 10.1002/ibra.12061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/28/2022] [Accepted: 07/31/2022] [Indexed: 10/04/2023]
Abstract
The nerve block technique guided by ultrasound has been able to accurately block tiny nerves throughout the body in recent years. It has been increasingly used to treat multisystem diseases or analgesia in surgical patients, but the latter accounted for the vast majority of cases. The nonanalgesic effect of nerve blocks is also in wide demand. After searching ultrasound-guided nerve block works on the PubMed database, we systematically summarized the current clinical application of the nerve block technique and the unique role and related mechanism of nerve block in the prevention and treatment of multi-system diseases or symptoms, including disorders of the circulatory and respiratory systems, postoperative cognitive dysfunction, immune function, posttraumatic stress disorder, and postoperative digestive system, to put forward the potential prospective application in future and serve as a reference for future research of nerve block therapy in these diseases mentioned.
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Affiliation(s)
- Guang‐Ting Zhang
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunYiGuizhouChina
| | - Feng‐Lin Wang
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunYiGuizhouChina
| | - Ying Ran
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunYiGuizhouChina
| | - De‐Xing Liu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunYiGuizhouChina
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Tanshinone IIA improves sepsis-induced acute lung injury through the ROCK2/NF-κB axis. Toxicol Appl Pharmacol 2022; 446:116021. [DOI: 10.1016/j.taap.2022.116021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 11/23/2022]
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Stellate Ganglion Block Combined with Dexmedetomidine Protects Obese Rats from Lipopolysaccharide-Induced Acute Lung Injury. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:5635063. [PMID: 35392150 PMCID: PMC8983233 DOI: 10.1155/2022/5635063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/04/2022] [Accepted: 03/08/2022] [Indexed: 12/04/2022]
Abstract
Objective To investigate the effect and mechanism of combined stellate ganglion block (SGB) and dexmedetomidine (Dex) in obesity-related acute lung injury. Methods Thirty-six 4-week-old male Wistar rats were randomly divided into 6 groups, each with 6 rats: blank group (Control), high-fat diet group (HFD), high-fat + lipopolysaccharide (LPS)-induced acute lung injury group (HFD + LPS), SGB group, Dex group, and SGB + Dex group. H&E staining detected the pathological structure of rat lung tissue. TUNEL staining was used to examine cell apoptosis in lung tissue. Oxidative factors were accessed by biochemical reagents. ELISA was employed to measure the levels of TNF-α, IL-1β, and MCP1 in rat alveolar lavage fluid. Western blot detected the protein expression of glucose-regulated Protein 78 (GRP78), C/EBP homologous protein (CHOP), protein kinase R-like endoplasmic reticulum kinase (PERK), and p-PERK in lung tissue. Results The body weight of rats in the HFD group was higher than that in the control group. The use of SGB or Dex alone could significantly reduce the rate of pulmonary edema and lung cell apoptosis in HFD-induced obese rats and reduce MPO, TNF-α, IL-1β, and MCP1 levels, increasing the activity of SOD and GSH-Px. In addition, using SGB or Dex alone can also significantly reduce the protein expression levels of GRP78, CHOP, and p-PERK. The combined use of SGB and Dex can enhance the above effects. Conclusion The combined use of SGB and Dex can protect against obesity-related acute lung injury and is more effective than using SGB or Dex alone.
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Li TT, Wan Q, Zhang X, Xiao Y, Sun LY, Zhang YR, Liu XN, Yang WC. Stellate ganglion block reduces inflammation and improves neurological function in diabetic rats during ischemic stroke. Neural Regen Res 2022; 17:1991-1997. [PMID: 35142688 PMCID: PMC8848600 DOI: 10.4103/1673-5374.335162] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Diabetes mellitus is an independent risk factor for ischemic stroke. Both diabetes mellitus and stroke are linked to systemic inflammation that aggravates patient outcomes. Stellate ganglion block can effectively regulate the inflammatory response. Therefore, it is hypothesized that stellate ganglion block could be a potential therapy for ischemic stroke in diabetic subjects. In this study, we induced diabetes mellitus in rats by feeding them a high-fat diet for 4 successive weeks. The left middle cerebral artery was occluded to establish models of ischemic stroke in diabetic rats. Subsequently, we performed left stellate ganglion block with 1% lidocaine using the percutaneous posterior approach 15 minutes before reperfusion and again 20 and 44 hours after reperfusion. Our results showed that stellate ganglion block did not decrease the blood glucose level in diabetic rats with diabetes mellitus but did reduce the cerebral infarct volume and the cerebral water content. It also improved the recovery of neurological function, increased 28-day survival rate, inhibited Toll like receptor 4/nuclear factor kappa B signaling pathway and reduced inflammatory response in the plasma of rats. However, injection of Toll like receptor 4 agonist lipopolysaccharide 5 minutes before stellate ganglion block inhibited the effect of stellate ganglion block, whereas injection of Toll like receptor 4 inhibitor TAK242 had no such effect. We also found that stellate ganglion block performed at night had no positive effect on diabetic ischemic stroke. These findings suggest that stellate ganglion block is a potential therapy for diabetic ischemic stroke and that it may be mediated through the Toll like receptor 4/nuclear factor kappa B signaling pathway. We also found that the therapeutic effect of stellate ganglion block is affected by circadian rhythm.
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Affiliation(s)
- Ting-Ting Li
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Qiang Wan
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xin Zhang
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yuan Xiao
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Li-Ying Sun
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Yu-Rong Zhang
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Xiang-Nan Liu
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
| | - Wan-Chao Yang
- Department of Anesthesiology, The 2nd Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, China
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Zhao D, Zhang X, Feng Y, Bian Y, Fu Z, Wu Y, Ma Y, Li C, Wang J, Dai J, Fu Y, Lin S, Hu J. Taurine Alleviates LPS-Induced Acute Lung Injury by Suppressing TLR-4/NF-κB Pathway. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:63-72. [DOI: 10.1007/978-3-030-93337-1_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Fischer L, Barop H, Ludin SM, Schaible HG. Regulation of acute reflectory hyperinflammation in viral and other diseases by means of stellate ganglion block. A conceptual view with a focus on Covid-19. Auton Neurosci 2021; 237:102903. [PMID: 34894589 DOI: 10.1016/j.autneu.2021.102903] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 10/23/2021] [Accepted: 11/01/2021] [Indexed: 12/15/2022]
Abstract
Whereas the autonomic nervous system (ANS) and the immune system used to be assigned separate functions, it has now become clear that the ANS and the immune system (and thereby inflammatory cascades) work closely together. During an acute immune response (e. g., in viral infection like Covid-19) the ANS and the immune system establish a fast interaction resulting in "physiological" inflammation. Based on our knowledge of the modulation of inflammation by the ANS we propose that a reflectory malfunction of the ANS with hyperactivity of the sympathetic nervous system (SNS) may be involved in the generation of acute hyperinflammation. We believe that sympathetic hyperactivity triggers a hyperresponsiveness of the immune system ("cytokine storm") with consecutive tissue damage. These reflectory neuroimmunological and inflammatory cascades constitute a general reaction principle of the organism under the leadership of the ANS and does not only occur in viral infections, although Covid-19 is a typical current example therefore. Within the overreaction several interdependent pathological positive feedback loops can be detected in which the SNS plays an important part. Consequently, there is a chance to regulate the hyperinflammation by influencing the SNS. This can be achieved by a stellate ganglion block (SGB) with local anesthetics, temporarily disrupting the pathological positive feedback loops. Thereafter, the complex neuroimmune system has the chance to reorganize itself. Previous clinical and experimental data have confirmed a favorable outcome in hyperinflammation (including pneumonia) after SGB (measurable e. g. by a reduction in proinflammatory cytokines).
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Affiliation(s)
- Lorenz Fischer
- University of Bern, Interventional Pain Management, General Internal Medicine, Schwanengasse 5/7, 3011 Bern, Switzerland.
| | - Hans Barop
- Neural Therapy, Friedrich-Legahn-Str. 2, 22587 Hamburg, Germany
| | | | - Hans-Georg Schaible
- University Hospital Jena, Institute of Physiology1/Neurophysiology, Teichgraben 8, 07743 Jena, Germany.
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Luo S, Ding X, Zhao S, Mou T, Li R, Cao X. Long non-coding RNA CHRF accelerates LPS-induced acute lung injury through microRNA-146a/Notch1 axis. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1299. [PMID: 34532436 PMCID: PMC8422153 DOI: 10.21037/atm-21-3064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/12/2021] [Indexed: 11/06/2022]
Abstract
Background The present study sought to investigate the regulatory role of the long non-coding RNA (lncRNA) cardiac hypertrophy-related factor (CHRF) in a mouse model of acute lung injury (ALI) and in primary mouse pulmonary microvascular endothelial cells (MPVECs) treated with lipopolysaccharide (LPS). Methods C57BL/6 mice were given adenovirus (Ad) sh-CHRF or negative control (NC) before undergoing cecal ligation and perforation. MPVECs transfected with Adsh-CHRF or NC were treated with LPS. Double luciferase assay was used to detect the binding of miR-146a to CHRF or Notch1. Subsequently, MPVECs were co-transfected with miR-146a inhibitor and sh-CHRF for 24 hours, and then treated with LPS. Results High expression of CHRF was detected in septic mice. Cecal ligation and perforation induced ALI and apoptosis in mice, whereas, CHRF knockout could inhibit ALI. The protein expression levels of TNF-α, IL-1β and IL-6 in the lung and bronchoalveolar lavage fluid of the CLP group were up-regulated, whereas the expression of IL-4 and IL-10 was down-regulated. CHRF inhibition reduced the production of proinflammatory cytokines in septic mice. The inhibitory effect of CHRF gene knockdown on lung inflammation and apoptosis was confirmed in the septic cell model. Mechanistic investigation showed that CHRF up-regulated the level of Notch1 by sponging miR-146a. Additionally, the low expression of miR-146a reversed the inhibitory effect of CHRF gene knockout on LPS-induced inflammatory response and apoptosis. Together, in vivo and in vitro results demonstrated that CHRF enhanced sepsis-induced ALI by targeting miR-146a and up-regulating Notch1. Conclusions CHRF can induce inflammation and apoptosis caused by sepsis by miR-146a/Notch1 axis. Therefore, it may serve as a potential drug target for treating sepsis-induced ALI.
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Affiliation(s)
- Shu Luo
- Department of Emergency, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Xuefeng Ding
- Department of Critical Care, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Shiqiao Zhao
- Department of Emergency, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Tianyi Mou
- Department of Emergency, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Ruixiu Li
- Department of Emergency, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Xiaoping Cao
- Department of Emergency, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
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16
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Yang JJ, Wu BB, Han F, Chen JH, Yang Y. Gene expression profiling of sepsis-associated acute kidney injury. Exp Ther Med 2020; 20:34. [PMID: 32952625 PMCID: PMC7485311 DOI: 10.3892/etm.2020.9161] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 06/19/2020] [Indexed: 12/29/2022] Open
Abstract
Sepsis accounts for more than 50% of all acute kidney injury (AKI) cases, and the combination of sepsis and AKI increases the risk of mortality from sepsis alone. However, to the best of our knowledge, the specific mechanism by which sepsis causes AKI has not yet been fully elucidated, and there is no targeted therapy for sepsis-associated AKI (SA-AKI). The present study investigated gene expression profiles using RNA sequencing (RNA-Seq) and bioinformatics analyses to assess the function of differentially expressed genes (DEGs) and the molecular mechanisms relevant to the prognosis of SA-AKI. From the bioinformatics analysis, 2,256 downregulated and 3,146 upregulated genes were identified (false discovery rate <0.1 and fold-change >2). Gene Ontology analysis revealed that the genes were enriched in cellular metabolic processes, cell death and apoptosis. The enriched transcription factors were v-rel reticuloendotheliosis viral oncogene homolog A and signaling transducer and activator of transcription 3. The enriched microRNAs (miRNAs or miRs) among the DEGs were miR-30e, miR-181a, miR-340, miR-466d and miR-466l. Furthermore, the enriched pathways included toll-like receptor signaling, nod-like receptor signaling and the Janus kinase/STAT signaling pathway. In conclusion, the present study identified certain prognosis-related genes, transcription factors, miRNAs and pathways by analyzing gene expression profiles of SA-AKI using RNA-Seq, which provides some basis for future experimental studies.
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Affiliation(s)
- Jing-Juan Yang
- Department of Nephrology, The Fourth Affiliated Hospital, College of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, P.R. China
| | - Bin-Bin Wu
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China
| | - Fei Han
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China
| | - Jiang-Hua Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China
| | - Yi Yang
- Department of Nephrology, The Fourth Affiliated Hospital, College of Medicine, Zhejiang University, Yiwu, Zhejiang 322000, P.R. China.,Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310000, P.R. China
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Yin M, Li ZH, Wang C, Li Y, Zhang H, Du HB, Zhao ZA, Niu CY, Zhao ZG. Stellate Ganglion Blockade repairs Intestinal Mucosal Barrier through suppression of Endoplasmic Reticulum Stress following Hemorrhagic Shock. Int J Med Sci 2020; 17:2147-2154. [PMID: 32922175 PMCID: PMC7484657 DOI: 10.7150/ijms.47662] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/14/2020] [Indexed: 12/21/2022] Open
Abstract
Background: Hemorrhagic shock-induced ischemia and hypoxia elicit endoplasmic reticulum stress (ERS) that leads to cell apoptosis, tissue structural damage and organ dysfunction and failure. Stellate ganglion blockade (SGB) has been demonstrated to improve intestinal barrier dysfunction induced by hemorrhagic shock. The present study sought to investigate whether the beneficial effect of SGB on the intestinal mucosal barrier function is via suppression of ERS. Materials and methods: A conscious rat model of hemorrhagic shock (40 ±2 mmHg for 1 hour, followed by resuscitation) was established. The parameters reflecting intestinal morphology and intestinal mucosal barrier function including wet-dry ratio (W/D), intestinal permeability, D-lactic acid (D-LA) and intestinal fatty acid binding protein (I-FABP) in plasma, and expressions of ATF6α, PERK, and IRE1α in intestinal tissues were then observed. Furthermore, the effects of either SGB or ERS inhibitor, 4-phenylbutyric acid (4-PBA), on these parameters in rats with hemorrhagic shock were assessed. The effect of ERS agonist tunicamycin (TM) on the rats subjected with both SGB and hemorrhagic shock was also determined. Results: Either SGB or administration of ERS inhibitor, 4-PBA, alleviated hemorrhagic shock-induced adverse effects such as intestinal mucosal barrier dysfunction and excessive autophagy, which were characterized by damaged intestinal tissue, enhanced intestinal permeability and D-LA and I-FABP levels in plasma, and increased expressions of ATF6α, PERK, IRE1α in intestinal tissue. In contrast, administration of ERS agonist, TM, suppressed the beneficial effects of SGB on intestinal tissue and function during hemorrhagic shock. Conclusion: The SGB repairs intestinal mucosal barrier through suppression of ERS following hemorrhagic shock.
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Affiliation(s)
- Meng Yin
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Zhong-Hua Li
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Chen Wang
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Ying Li
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Hong Zhang
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Hui-Bo Du
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Zhen-Ao Zhao
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
| | - Chun-Yu Niu
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China.,Hebei Medical University, Shijiazhuang, PR China
| | - Zi-Gang Zhao
- Institute of Microcirculation, Hebei North University, Hebei Zhangjiakou, PR China
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Mitochondrial Coenzyme Q Protects Sepsis-Induced Acute Lung Injury by Activating PI3K/Akt/GSK-3 β/mTOR Pathway in Rats. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5240898. [PMID: 31815144 PMCID: PMC6878790 DOI: 10.1155/2019/5240898] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 10/10/2019] [Accepted: 10/25/2019] [Indexed: 12/21/2022]
Abstract
The aim of our study was to assess the effects of mitochondrial coenzyme Q (MitoQ) on sepsis-induced acute lung injury (ALI) and investigate its possible mechanisms. The cecal ligation and puncture (CLP) method was used to establish a septic ALI model. Rats were randomly divided into Con group, CLP group, MitoQ group, and MitoQ + LY294002 group. The survival rate of the rats was recorded, and the survival rate curve was plotted. Moreover, the ratio of wet/dry weight (W/D) in lung tissue was measured. The activity of myeloperoxidase (MPO) was measured by using the MPO colorimetric activity assay kit. The levels of high-mobility group box 1 (HMGB1) and interleukin-6 (IL-6), macrophage inflammatory protein 2 (MIP2), and keratinocyte chemoattractant (KC) were analyzed by ELISA. The histopathological changes were measured by HE staining, and the lung injury was scored. TUNEL assay was applied to detect the apoptotic cells in lung tissue. The protein expressions were detected by western blot. MitoQ increased the survival rate and alleviated pulmonary edema in septic ALI rats. In addition, MitoQ inhibited the MPO activity and decreased the levels of HMGB1 and IL-6. After treatment with MitoQ, alveolar wall edema, inflammatory cell infiltration, and red blood cell exudation were relieved. MitoQ inhibited cell apoptosis in lung tissue of septic ALI rats. Meanwhile, MitoQ treatment remarkedly increased the expression of p-Akt, p-GSK-3β, and p-mTOR but decreased Bax, caspase-3, caspase-9, Beclin-1, and LC-3II/LC-3I. The effects of MitoQ were significantly reversed by the PI3K inhibitor (LY294002). Our study demonstrated that MitoQ could protect sepsis-induced acute lung injury by activating the PI3K/Akt/GSK-3β/mTOR pathway in rats.
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