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Yu Y, Fu Q, Li J, Zen X, Li J. E3 ubiquitin ligase COP1-mediated CEBPB ubiquitination regulates the inflammatory response of macrophages in sepsis-induced myocardial injury. Mamm Genome 2024; 35:56-67. [PMID: 37980295 DOI: 10.1007/s00335-023-10027-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/10/2023] [Indexed: 11/20/2023]
Abstract
CCAAT/enhancer-binding protein beta (CEBPB) has been associated with sepsis. However, its role in sepsis-induced myocardial injury (SIMI) remains ill-defined. This research was designed to illustrate the involvement of CEBPB in SIMI and its upstream modifier. The transcriptomic changes in heart biopsies of mice that had undergone polymicrobial sepsis were downloaded from the GEO dataset for KEGG enrichment analysis. CEBPB, on the TNF signaling pathway, was significantly enhanced in the myocardial tissues of mice with SIMI. Downregulation of CEBPB alleviated SIMI, as evidenced by minor myocardial injury and inflammatory manifestations. Moreover, ubiquitination modification of CEBPB by constitutive photomorphogenesis protein 1 homolog (COP1) led to the degradation of CEBPB and inhibited inflammatory responses in macrophages. Upregulation of COP1 protected against SIMI in mice overexpressing CEBPB. Collectively, our findings demonstrated that COP1 protected the heart against SIMI through the ubiquitination modification of CEBPB, which might be a novel therapeutic approach in the future.
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Affiliation(s)
- Yangzi Yu
- Department of Geriatrics, Tianjin Nankai Hospital, Tianjin, 300102, P.R. China
| | - Qiang Fu
- Department of Critical Care Medicine, Tianjin Forth Central Hospital, No. 3, Zhongshan Road, Hebei District, Tianjin, 300142, P.R. China.
| | - Jiarui Li
- Department of Geriatrics, Tianjin Nankai Hospital, Tianjin, 300102, P.R. China
| | - Xianming Zen
- Department of Geriatrics, Tianjin Nankai Hospital, Tianjin, 300102, P.R. China
| | - Jing Li
- Department of Ultrasound, Tianjin Nankai Hospital, Tianjin, 300102, P.R. China
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Xiao Y, Yu Y, Hu L, Yang Y, Yuan Y, Zhang W, Luo J, Yu L. Matrine Alleviates Sepsis-Induced Myocardial Injury by Inhibiting Ferroptosis and Apoptosis. Inflammation 2023; 46:1684-1696. [PMID: 37219694 DOI: 10.1007/s10753-023-01833-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/29/2023] [Accepted: 05/06/2023] [Indexed: 05/24/2023]
Abstract
Matrine is a Sophora alkaloid that exerts antitumor effects on a variety of diseases, but few studies have investigated the role of matrine in sepsis-induced myocardial injury. In the present study, we investigated the effects of matrine on septic myocardial injury and the potential mechanisms. Network pharmacology approaches were used to predict the targets of matrine in the treatment of sepsis-induced myocardial injury. A mouse sepsis-induced myocardial injury model was established to determine the effect of matrine. Mouse cardiac function was evaluated by ultrasonography, and cardiac morphology and cardiomyocyte apoptosis were evaluated by HE and TUNEL staining. Oxidative stress was assessed by measuring ROS levels and MDA and SOD activity. Bax, Bcl2, GPX4, ACSL4, PI3K, and AKT protein levels were evaluated by immunohistochemical staining and western blotting. Bioinformatics analysis identified that the potential therapeutic effect of matrine on sepsis-induced myocardial injury is closely related to ferroptosis and apoptosis regulation and showed significant involvement of the PI3K/AKT signaling pathway. In vivo, the matrine group showed improved myocardial function, morphology, and apoptosis ratio and alleviated oxidative stress compared with the LPS group, whereas 25 mg/kg matrine exerted the optimal inhibitory effect. Matrine alleviated LPS-induced cardiomyocyte ferroptosis and apoptosis, resulting in upregulation of Bax/Bcl2 and GPX4 expression and downregulation of ferroptosis marker protein (ACSL4) expression, as shown by immunohistochemistry and western blotting. Moreover, matrine increased PI3K/AKT pathway-related molecule expression and thus modulated ferroptosis and apoptosis. Matrine regulates PI3K/AKT pathway activity to inhibit apoptosis and ferroptosis and thereby alleviates sepsis-induced myocardial injury.
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Affiliation(s)
- Yuhong Xiao
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yun Yu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Longlong Hu
- Department of Cardiology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yuhui Yang
- HuanKui Academy of Nanchang University, Nanchang, Jiangxi, China
| | - Ye Yuan
- HuanKui Academy of Nanchang University, Nanchang, Jiangxi, China
| | - Wenjun Zhang
- Department of Rehabilitation Medicine, Ganzhou Hospital of Nanchang University, Ganzhou, Jiangxi, China
| | - Jun Luo
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.
| | - Lingling Yu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.
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Xu KZ, Xu P, li JJ, Zuo AF, Wang SB, Han F. Predictors and nomogram of in-hospital mortality in sepsis-induced myocardial injury: a retrospective cohort study. BMC Anesthesiol 2023; 23:230. [PMID: 37420185 PMCID: PMC10327384 DOI: 10.1186/s12871-023-02189-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/23/2023] [Indexed: 07/09/2023] Open
Abstract
BACKGROUND Sepsis-induced myocardial injury (SIMI) is a common organ dysfunction and is associated with higher mortality in patients with sepsis. We aim to construct a nomogram prediction model to assess the 28-day mortality in patients with SIMI. . METHOD We retrospectively extracted data from Medical Information Mart for Intensive Care (MIMIC-IV) open-source clinical database. SIMI was defined by Troponin T (higher than the 99th percentile of upper reference limit value) and patients with cardiovascular disease were excluded. A prediction model was constructed in the training cohort by backward stepwise Cox proportional hazards regression model. The concordance index (C-index), area under the receiver operating characteristics curve (AUC), net reclassification improvement (NRI), integrated discrimination improvement (IDI), calibration plotting and decision-curve analysis (DCA) were used to evaluate the nomogram. RESULTS 1312 patients with sepsis were included in this study and 1037 (79%) of them presented with SIMI. The multivariate Cox regression analysis in all septic patients revealed that SIMI was independently associated with 28-day mortality of septic patients. The risk factors of diabetes, Apache II score, mechanical ventilation, vasoactive support, Troponin T and creatinine were included in the model and a nomogram was constructed based on the model. The C-index, AUC, NRI, IDI, calibration plotting and DCA showed that the performance of the nomogram was better than the single SOFA score and Troponin T. CONCLUSION SIMI is related to the 28-day mortality of septic patients. The nomogram is a well-performed tool to predict accurately the 28-day mortality in patients with SIMI.
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Affiliation(s)
- Kai-Zhi Xu
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
| | - Ping Xu
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
| | - Juan-Juan li
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
| | - A-Fang Zuo
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
| | - Shu-Bao Wang
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
| | - Fang Han
- Emergency and Critical Care Center, Intensive Care Unit, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, 310000 China
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Deng W, Ren G, Luo J, Gao S, Huang W, Liu W, Ye S. TRPM7 mediates endoplasmic reticulum stress and ferroptosis in sepsis-induced myocardial injury. J Bioenerg Biomembr 2023; 55:207-217. [PMID: 37264258 DOI: 10.1007/s10863-023-09968-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/15/2023] [Indexed: 06/03/2023]
Abstract
Transient receptor potential melastatin 7 (TRPM7), a non-selective cation channel, was significantly upregulated in the blood of patients with sepsis. This study focuses on the preliminary exploration of the probable regulatory mechanism of TRPM7 in sepsis-induced myocardial injury (SIMI). HL-1 cardiac muscle cell line was treated with lipopolysaccharide (LPS) to mimic SIMI in vitro, and TRPM7 level was assessed. The impacts of TRPM7 knockdown on cellular inflammation response, oxidative stress, apoptosis, endoplasmic reticulum (ER) stress, and ferroptosis were identified. In order to explore the mechanism, ER stress agonist tunicamycin (TM) or ferroptosis inducer erastin was applied to treat HL-1 cells. The influences of TM and erastin on the aforementioned aspects were evaluated. TRPM7 was elevated in response to LPS stimulation, and its knockdown reduced the secretion of inflammatory factors and oxidative stress degree. Moreover, TRPM7 knockdown significantly suppressed cell apoptosis, ER stress, and ferroptosis. TM and erastin reversed the functions of TRPM7 knockdown, indicating ER stress and ferroptosis mediated in the regulation of TRPM7. This research proposes the possibility of TRPM7 as a marker or target for SIMI, and provides theoretical support for follow-up research.
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Affiliation(s)
- Wenlong Deng
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China
| | - Guobin Ren
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China
| | - Jiajing Luo
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China
| | - She Gao
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China
| | - Weihong Huang
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China
| | - Weitao Liu
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China.
| | - Shupei Ye
- Department of Emergency, SSL Central Hospital of Dongguan City, 1 Xianglong Road, Dongguan, 523326, Guangdong, People's Republic of China.
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Li J, Jiang R, Hou Y, Lin A. Mesenchymal stem cells-derived exosomes prevent sepsis-induced myocardial injury by a CircRTN4/miR-497-5p/MG53 pathway. Biochem Biophys Res Commun 2022; 618:133-140. [PMID: 35724457 DOI: 10.1016/j.bbrc.2022.05.094] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/17/2022] [Accepted: 05/30/2022] [Indexed: 11/02/2022]
Abstract
Sepsis is a life-threatening organ function dysfunction featured by stimulated oxidative stress and inflammatory responses, in which about 40%-60% of sepsis patients are accompanied with cardiac dysfunction. Mesenchymal stem cells (MSCs)-derived exosomes exert critical roles in the treatment of multiple diseases through transferring non-coding RNAs. Circular RNA (circRNA) is a novel form of functional RNAs that involves in the progression of multiple cardiac pathological condition. Nevertheless, the function of MSCs-derived exosomal circRTN4 in sepsis-induced myocardial injury is still obscure. Significantly, FISH assay demonstrated the location of circRTN4 in cytoplasm of cardiomyocytes. The expression of circRTN4 was reduced in the cardiac tissues from caecal ligation and puncture (CLP) rats and LPS-treated cardiomyocytes. CircRTN4 could be delivered to cardiomyocytes cells via MSCs-derived exosomes. The cardiac injury and apoptosis were induced in the CLP rats and the treatment of MSCs-derived exosomal circRTN4 relieved the phenotypes. MSCs-derived exosomal circRTN4 notably suppressed the upregulated ROS level in the CLP rats. The activity of SOD and GSH was repressed in CLP rats, in which MSCs-derived exosomal circRTN4 rescued the activity in the rats. The upregulated IL-1β, IL-6, and TNF-α levels in CLP rats were reduced by the treatment of MSCs-derived exosomal circRTN4. MSCs-derived exosomal circRTN4 improved cell survival and suppressed apoptosis of LPS-treated cardiomyocytes. CircRTN4 direct interact with miR-497-5p to upregulate MG53 expression in cardiomyocytes. MSCs-derived exosomal circRTN4 relieves LPS-stimulated cardiomyocyte damage via targeting miR-497-5p/MG53 axis. Therefore, we determine that MSCs-derived exosomes prevent sepsis-induced myocardial injury by a circRTN4/miR-497-5p/MG53 pathway. Our data provides novel insight into the regulatory mechanism by which MSCs-derived exosomal circRTN4 regulates sepsis-induced myocardial injury. MSCs-derived exosomal circRTN4 may be applied as a promising therapeutic approach for sepsis-induced myocardial injury.
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Affiliation(s)
- Jiang Li
- Zhengzhou Railway Vocational and Technical College, Henan Provincial Engineering Research Center of Natural Drug Extraction and Medical Technology Application, Zhengzhou, 450000, China
| | - Rui Jiang
- Zhengzhou Railway Vocational and Technical College, Henan Provincial Engineering Research Center of Natural Drug Extraction and Medical Technology Application, Zhengzhou, 450000, China
| | - Yuanyuan Hou
- Zhengzhou Railway Vocational and Technical College, Henan Provincial Engineering Research Center of Natural Drug Extraction and Medical Technology Application, Zhengzhou, 450000, China
| | - Aiqin Lin
- Zhengzhou Railway Vocational and Technical College, Henan Provincial Engineering Research Center of Natural Drug Extraction and Medical Technology Application, Zhengzhou, 450000, China.
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Shan B, Li JY, Liu YJ, Tang XB, Zhou Z, Luo LX. LncRNA H19 Inhibits the Progression of Sepsis-Induced Myocardial Injury via Regulation of the miR-93-5p/SORBS2 Axis. Inflammation 2020; 44:344-357. [PMID: 32996061 DOI: 10.1007/s10753-020-01340-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/02/2020] [Accepted: 09/08/2020] [Indexed: 12/13/2022]
Abstract
Sepsis is an infectious disease that seriously endangers human health. It usually leads to myocardial injury which seriously endangers to the health of human beings. H19 has been confirmed to play key roles in various diseases, including sepsis. However, its function in the progression of sepsis-induced myocardial injury remains largely unknown. H9C2 cells were treated with lipopolysaccharide (LPS) to mimic sepsis-induced myocardial injury in vitro. Cell proliferation and apoptosis were detected by MTT assay and flow cytometry, respectively. In addition, gene and protein expression levels in H9C2 cells were measured by quantitative real-time PCR (qRT-PCR) and Western blotting. The levels of inflammatory cytokines in H9C2 cell supernatants were tested by ELISA. JC-1 staining was performed to observe the mitochondrial membrane potential level in H9C2 cells. H19 and SORBS2 were downregulated in H9C2 cells following LPS treatment, while miR-93-5p was upregulated. Moreover, LPS-induced cell growth inhibition and mitochondrial damage were significantly reversed by overexpression of H19. In addition, H19 upregulation notably suppressed LPS-induced inflammatory responses in H9C2 cells. Moreover, H19 sponged miR-93-5p to promote SORBS2 expression. Overall, H19 suppressed sepsis-induced myocardial injury via regulation of the miR-93-5p/SORBS2 axis. H19 attenuated the development of sepsis-induced myocardial injury in vitro via modulation of the miR-93-5p/SORBS2 axis. Thus, H19 could serve as a potential target for the treatment of sepsis-induced myocardial injury.
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Affiliation(s)
- Bin Shan
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China
| | - Jia-Yan Li
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China
| | - Ya-Jiang Liu
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China
| | - Xiao-Bin Tang
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China
| | - Zheng Zhou
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China
| | - Liang-Xian Luo
- Department of Critical Care Medicine, The First People's Hospital of Chenzhou, No. 8, Qinnian Avenue Road, Chenzhou, 423000, Hunan Province, People's Republic of China.
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Qin YJ, Zhang XL, Yu YQ, Bian XH, Dong SM. Cardioprotective effect of erythropoietin on sepsis-induced myocardial injury in rats. World J Emerg Med 2014; 4:215-22. [PMID: 25215122 PMCID: PMC4129848 DOI: 10.5847/wjem.j.issn.1920-8642.2013.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Accepted: 07/26/2013] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND: Sepsis-induced myocardial injury is one of the major predictors of morbidity and mortality of sepsis. The cytoprotective function of erythropoietin (EPO) has been discovered and extensively studied. However, the cardioprotective effects of EPO on sepsis-induced myocardial injury in the rat sepsis model has not been reported. METHODS: The rat models of sepsis were produced by cecal ligation and perforation (CLP) surgery. Rats were randomly (random number) assigned to one of three groups (n=8 for each group): sham group, CLP group and EPO group (1000 IU/kg erythropoietin). Arterial blood was withdrawn at 3, 6, 12, and 24 hours after CLP. cTnI, BNP, CK-MB, LDH, AST, TNF-α, IL-6, IL-10, and CRP were tested by the ELISA assay. Changes of hemodynamic parameters were recorded at 3, 6, 12, 24 hours after the surgery. Histological diagnosis was made by hematoxylin and eosin. Flow cytometry was performed to examine cell apoptosis, myocardium mitochondrial inner membrane potential, and NF-κB (p65). Survival rate at 7 days after CLP was recorded. RESULTS: In the CLP group, myocardial enzyme index and inflammatory index increased at 3, 6, 12 and 24 hours after CLP compared with the sham group, and EPO significantly blocked the increase. Compared with the CLP group, EPO significantly improved LVSP, LV +dp/dtmax, LV −dp/dtmin, and decreased LVEDP at different time. EPO blocked the reduction of mitochondrial transmembrane potential, suppressed the cardiomyocyte apoptosis, inhibited the activation of NF-κB, and reduced the production of proinflmmatory cytokines. No difference in the survival rate at 7 days was observed between the CLP group and the EPO group. CONCLUSION: Exogenous EPO has cardioprotective effects on sepsis-induced myocardial injury.
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Affiliation(s)
- Yan-Jun Qin
- Department of Emergency Medicine, Third Hospital of Hebei Medical University, Shijiazhuang 050051, China
| | - Xin-Liang Zhang
- Department of Clinical Laboratory, General Hospital of Hebei Province, Shijiazhuang 050051, China
| | - Yue-Qing Yu
- Department of Clinical Laboratory, General Hospital of Hebei Province, Shijiazhuang 050051, China
| | - Xiao-Hua Bian
- Department of Emergency Medicine, Third Hospital of Hebei Medical University, Shijiazhuang 050051, China
| | - Shi-Min Dong
- Department of Emergency Medicine, Third Hospital of Hebei Medical University, Shijiazhuang 050051, China
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