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Jiang L, Yang D, Zhang Z, Xu L, Jiang Q, Tong Y, Zheng L. Elucidating the role of Rhodiola rosea L. in sepsis-induced acute lung injury via network pharmacology: emphasis on inflammatory response, oxidative stress, and the PI3K-AKT pathway. Pharm Biol 2024; 62:272-284. [PMID: 38445620 PMCID: PMC10919309 DOI: 10.1080/13880209.2024.2319117] [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] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 02/07/2024] [Indexed: 03/07/2024]
Abstract
CONTEXT Sepsis-induced acute lung injury (ALI) is associated with high morbidity and mortality. Rhodiola rosea L. (Crassulaceae) (RR) and its extracts have shown anti-inflammatory, antioxidant, immunomodulatory, and lung-protective effects. OBJECTIVE This study elucidates the molecular mechanisms of RR against sepsis-induced ALI. MATERIALS AND METHODS The pivotal targets of RR against sepsis-induced ALI and underlying mechanisms were revealed by network pharmacology and molecular docking. Human umbilical vein endothelial cells (HUVECs) were stimulated by 1 μg/mL lipopolysaccharide for 0.5 h and treated with 6.3, 12.5, 25, 50, 100, and 200 μg/mL RR for 24 h. Then, the lipopolysaccharide-stimulated HUVECs were subjected to cell counting kit-8 (CCK-8), enzyme-linked immunosorbent, apoptosis, and Western blot analyses. C57BL/6 mice were divided into sham, model, low-dose (40 mg/kg), mid-dose (80 mg/kg), and high-dose (160 mg/kg) RR groups. The mouse model was constructed through caecal ligation and puncture, and histological, apoptosis, and Western blot analyses were performed for further validation. RESULTS We identified six hub targets (MPO, HRAS, PPARG, FGF2, JUN, and IL6), and the PI3K-AKT pathway was the core pathway. CCK-8 assays showed that RR promoted the viability of the lipopolysaccharide-stimulated HUVECs [median effective dose (ED50) = 18.98 μg/mL]. Furthermore, RR inhibited inflammation, oxidative stress, cell apoptosis, and PI3K-AKT activation in lipopolysaccharide-stimulated HUVECs and ALI mice, which was consistent with the network pharmacology results. DISCUSSION AND CONCLUSION This study provides foundational knowledge of the effective components, potential targets, and molecular mechanisms of RR against ALI, which could be critical for developing targeted therapeutic strategies for sepsis-induced ALI.
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Affiliation(s)
- Lu Jiang
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Dongdong Yang
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Zhuoyi Zhang
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Liying Xu
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Qingyu Jiang
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Yixin Tong
- Department of Emergency, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Lanzhi Zheng
- Department of Medical Administration, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
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Liu R, Wang Q, Li Y, Wan R, Yang P, Yang D, Tang J, Lu J. Ginsenoside Rg1 Alleviates Sepsis-Induced Acute Lung Injury by Reducing FBXO3 Stability in an m 6A-Dependent Manner to Activate PGC-1α/Nrf2 Signaling Pathway. AAPS J 2024; 26:47. [PMID: 38622374 DOI: 10.1208/s12248-024-00919-5] [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: 01/02/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Sepsis-induced acute lung injury (ALI) is one of the serious life-threatening complications of sepsis and is pathologically associated with mitochondrial dysfunction. Ginsenoside Rg1 has good therapeutic effects on ALI. Herein, the pharmacological effects of Rg1 in sepsis-induced ALI were investigated. METHODS Sepsis-induced ALI models were established by CLP operation and LPS treatment. HE staining was adopted to analyze lung pathological changes. The expression and secretion of cytokines were measured by RT-qPCR and ELISA. Cell viability and apoptosis were assessed by MTT assay, flow cytometry and TUNEL staining. ROS level and mitochondrial membrane potential (MMP) were analyzed using DHE probe and JC-1 staining, respectively. FBXO3 m6A level was assessed using MeRIP assay. The interactions between FBXO3, YTHDF1, and PGC-1α were analyzed by Co-IP or RIP. RESULTS Rg1 administration ameliorated LPS-induced epithelial cell inflammation, apoptosis, and mitochondrial dysfunction in a dose-dependent manner. Mechanically, Rg1 reduced PGC-1α ubiquitination modification level by inhibiting FBXO3 expression m6A-YTHDF1 dependently. As expected, Rg1's mitigative effect on LPS-induced inflammation, apoptosis and mitochondrial dysfunction in lung epithelial cells was abolished by FBXO3 overexpression. Moreover, FBXO3 upregulation eliminated the restoring effect of Rg1 on CLP-induced lung injury in rats. CONCLUSION Rg1 activated PGC-1α/Nrf2 signaling pathway by reducing FBXO3 stability in an m6A-YTHDF1-dependent manner to improve mitochondrial function in lung epithelial cells during sepsis-induced ALI progression.
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Affiliation(s)
- Rong Liu
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China.
| | - Qiang Wang
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Yao Li
- Department of Stomatology, The First People's Hospital of Yunnan Province, Kunming, 650034, Yunnan Province, People's Republic of China
| | - Ruixue Wan
- Department of Reproductive Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Ping Yang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, Yunnan Province, People's Republic of China
| | - Dexing Yang
- Department of Emergency Room of Internal, The First People's Hospital of Yunnan Province, Kunming, 650034, Yunnan Province, People's Republic of China
| | - Jiefu Tang
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Jiafei Lu
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
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Tang J, Dong W, Wang D, Deng Q, Guo H, Xiao G. Upregulation of PGC-1α expression by pioglitazone mediates prevention of sepsis-induced acute lung injury. Braz J Med Biol Res 2024; 57:e13235. [PMID: 38511769 PMCID: PMC10946242 DOI: 10.1590/1414-431x2024e13235] [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: 12/01/2023] [Accepted: 01/25/2024] [Indexed: 03/22/2024] Open
Abstract
The imbalance between pro-inflammatory M1 and anti-inflammatory M2 macrophages plays a critical role in the pathogenesis of sepsis-induced acute lung injury (ALI). Peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) may modulate macrophage polarization toward the M2 phenotype by altering mitochondrial activity. This study aimed to investigate the role of the PGC-1α agonist pioglitazone (PGZ) in modulating sepsis-induced ALI. A mouse model of sepsis-induced ALI was established using cecal ligation and puncture (CLP). An in vitro model was created by stimulating MH-S cells with lipopolysaccharide (LPS). qRT-PCR was used to measure mRNA levels of M1 markers iNOS and MHC-II and M2 markers Arg1 and CD206 to evaluate macrophage polarization. Western blotting detected expression of peroxisome proliferator-activated receptor gamma (PPARγ) PGC-1α, and mitochondrial biogenesis proteins NRF1, NRF2, and mtTFA. To assess mitochondrial content and function, reactive oxygen species levels were detected by dihydroethidium staining, and mitochondrial DNA copy number was measured by qRT-PCR. In the CLP-induced ALI mouse model, lung tissues exhibited reduced PGC-1α expression. PGZ treatment rescued PGC-1α expression and alleviated lung injury, as evidenced by decreased lung wet-to-dry weight ratio, pro-inflammatory cytokine secretion (tumor necrosis factor-α, interleukin-1β, interleukin-6), and enhanced M2 macrophage polarization. Mechanistic investigations revealed that PGZ activated the PPARγ/PGC-1α/mitochondrial protection pathway to prevent sepsis-induced ALI by inhibiting M1 macrophage polarization. These results may provide new insights and evidence for developing PGZ as a potential ALI therapy.
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Affiliation(s)
- Jing Tang
- Department of Infectious Diseases, Ziyang First People's Hospital, Ziyang, China
| | - Wenzhu Dong
- Department of Infectious Diseases, Ziyang First People's Hospital, Ziyang, China
| | - Dan Wang
- Department of Infectious Diseases, Ziyang First People's Hospital, Ziyang, China
| | - Qin Deng
- Department of Infectious Diseases, Ziyang First People's Hospital, Ziyang, China
| | - Honggang Guo
- Zhejiang Provincial Key Laboratory of Laboratory Animals and Safety Research, Hangzhou Medical College, Hangzhou, China
| | - Guibao Xiao
- Department of Infectious Diseases, Ziyang First People's Hospital, Ziyang, China
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Zhao C, Luo Q, Huang J, Su S, Zhang L, Zheng D, Chen M, Lin X, Zhong J, Li L, Ling K, Zhang S. Extracellular Vesicles Derived from Human Adipose-Derived Mesenchymal Stem Cells Alleviate Sepsis-Induced Acute Lung Injury through a MicroRNA-150-5p-Dependent Mechanism. ACS Biomater Sci Eng 2024; 10:946-959. [PMID: 38154081 DOI: 10.1021/acsbiomaterials.3c00614] [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] [Indexed: 12/30/2023]
Abstract
Extracellular vesicles (EVs) derived from human adipose mesenchymal stem cells (hADSCs) may exert a therapeutic benefit in alleviating sepsis-induced organ dysfunction by delivering cargos that include RNAs and proteins to target cells. The current study aims to explore the protective effect of miR-150-5p delivered by hADSC-EVs on sepsis-induced acute lung injury (ALI). We noted low expression of miR-150-5p in plasma and bronchoalveolar lavage fluid samples from patients with sepsis-induced ALI. The hADSC-EVs were isolated and subsequently cocultured with macrophages. It was established that hADSC-EVs transferred miR-150-5p to macrophages, where miR-150-5p targeted HMGA2 to inhibit its expression and, consequently, inactivated the MAPK pathway. This effect contributed to the promotion of M2 polarization of macrophages and the inhibition of proinflammatory cytokines. Further, mice were made septic by cecal ligation and puncture in vivo and treated with hADSC-EVs to elucidate the effect of hADSC-EVs on sepsis-induced ALI. The in vivo experimental results confirmed a suppressive role of hADSC-EVs in sepsis-induced ALI. Our findings suggest that hADSC-EV-mediated transfer of miR-150-5p may be a novel mechanism underlying the paracrine effects of hADSC-EVs on the M2 polarization of macrophages in sepsis-induced ALI.
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Affiliation(s)
- Chengkuan Zhao
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Qianhua Luo
- Department of Pharmacology, Guangdong Second Provincial General Hospital, Guangzhou 510317, P.R. China
- Jinshazhou Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510168, P.R. China
| | - Jianxiang Huang
- College of Pharmacy, Jinan University, Guangzhou 510220, P.R. China
| | - Siman Su
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Lijuan Zhang
- Department of Pharmacy, YueBei People's Hospital (YueBei People's Hospital affiliated to Shantou University Medical College), ShaoGuan 512000, P.R. China
| | - Danling Zheng
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Meini Chen
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Xinyue Lin
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Jialin Zhong
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Li Li
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
| | - Kai Ling
- Department of Pharmacology, Shantou University Medical College, Shantou 515041, P.R. China
| | - Shuyao Zhang
- Department of Pharmacy, Guangzhou Red Cross Hospital, Jinan University, Guangzhou 510220, P.R. China
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Huang Y, Lin J, Wu Z, Li Y. Circular RNA circVAPA modulates macrophage pyroptosis in sepsis-induced acute lung injury through targeting miR-212-3p/Sirt1/Nrf2/NLRP3 axis. Int J Exp Pathol 2024; 105:21-32. [PMID: 38054576 PMCID: PMC10797424 DOI: 10.1111/iep.12497] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 08/29/2023] [Accepted: 10/21/2023] [Indexed: 12/07/2023] Open
Abstract
Sepsis-induced acute lung injury (ALI) is an inflammatory condition involving the pyroptosis of macrophages. This study investigated the role of circular RNA hsa_circ_0006990 (circVAPA) in regulating macrophage pyroptosis in ALI and the underlying mechanisms. The expression pattern of circVAPA was examined in the mouse model of ALI and in the LPS-treated RAW264.7 macrophage cell line. Lung tissue damage was evaluated by haematoxylin and eosin staining, immunohistochemistry and a myeloperoxidase activity assay. The molecular mechanisms were investigated by luciferase reporter assay, western blot, RT-qPCR and ELISA. circVAPA was down-regulated in the lung tissues of ALI mice and LPS-induced RAW264.7 cells. circVAPA over-expression alleviated lung tissue injury and dampened LPS-induced pyroptosis and Th17-associated inflammatory responses. miR-212-3p was identified as a target of circVAPA, and miR-212-3p negatively regulated the expression of Sirt1. Sirt1 knockdown largely abolished the effect of circVAPA over-expression on pyroptosis. CircVAPA/miR-212-3p/Sirt1 axis also regulates Nrf2 and NLRP3 expression upon LPS challenge. By targeting miR-212-3p, circVAPA over-expression negatively regulates the expression of Sirt1 and pyroptosis-related factors (Nrf2 and NLRP3), which alleviates the inflammatory damages in sepsis-induced ALI.
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Affiliation(s)
- Yanjing Huang
- Department of Emergency, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, China
| | - Jinquan Lin
- Trauma Center/Department of Emergency Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, China
| | - Zhiwei Wu
- Department of Cardiology, The First Hospital of Putian, Putian, China
| | - Yiming Li
- Department of Emergency, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian Province, China
- Department of Emergency, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
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Liao Q, Li F, Xue M, Chen W, Tao Z, Song Y, Yuan Y. Polydatin alleviates sepsis‑induced acute lung injury via downregulation of Spi‑B. Biomed Rep 2023; 19:102. [PMID: 38025835 PMCID: PMC10646764 DOI: 10.3892/br.2023.1684] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 09/07/2023] [Indexed: 12/01/2023] Open
Abstract
Sepsis-induced acute lung injury (ALI) is related to the dysregulation of inflammatory responses. Polydatin supplement was reported to exhibit anti-inflammatory effects in several diseases. The present study aimed to investigate the role of polydatin in sepsis-induced ALI. A cecum ligation and puncture (CLP)-induced mouse ALI model was established first and the pathological changes of lung tissues were assessed using hematoxylin and eosin staining. Meanwhile, to mimic sepsis-induced ALI in vitro, pulmonary microvascular endothelial cells (PMVECs) were treated with lipopolysaccharide (LPS). Pro-inflammatory cytokines levels were measured in lung tissues and PMVECs using ELISA. Reverse transcription-quantitative PCR was used to measure the mRNA levels of Spi-B in lung tissues and PMVECs. Moreover, the expression levels of Spi-B, p-PI3K, p-Akt, and p-NF-κB in lung tissues and PMVECs were determined using western blotting. The data revealed that polydatin attenuated CLP-induced lung injury and inhibited sepsis-induced inflammatory responses in mice. Furthermore, polydatin significantly inhibited the expression of Spi-B, p-PI3K, p-Akt, and p-NF-κB in lung tissues of mice subjected to CLP-induced ALI, while this phenomenon was reversed through Spi-B overexpression. Consistently, the anti-inflammatory effect of polydatin was abolished by Spi-B overexpression. Taken together, the current findings revealed that polydatin alleviated sepsis-induced ALI via the downregulation of Spi-B.
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Affiliation(s)
- Qingwu Liao
- Shanghai Key Laboratory of Perioperative Stress and Protection, Department of Anesthesia, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Fang Li
- Department of Geriatrics, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, Fujian 361015, P.R. China
| | - Mingming Xue
- Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Wenan Chen
- Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Zhengang Tao
- Department of Emergency, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
| | - Yuejiao Song
- Department of Anesthesia, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, Fujian 361015, P.R. China
| | - Ying Yuan
- Department of Geriatrics, Zhongshan Hospital, Fudan University, Shanghai 200032, P.R. China
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Gong Y, Wang J. Monotropein alleviates sepsis-elicited acute lung injury via the NF-κB pathway. J Pharm Pharmacol 2023; 75:1249-1258. [PMID: 37279779 DOI: 10.1093/jpp/rgad051] [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: 12/28/2022] [Accepted: 05/15/2023] [Indexed: 06/08/2023]
Abstract
OBJECTIVES To address the effect and mechanism of Monotropein (Mon) on sepsis-induced acute lung injury (ALI). METHODS ALI model was established by lipopolysaccharide (LPS)-stimulated mouse lung epithelial cell lines (MLE-12) and cecal ligation and puncture (CLP)-treated mice, respectively. The function of Mon was examined by cell counting kit-8 (CCK-8), pathological staining, the pulmonary function examination, flow cytometry, enzyme-linked immunosorbent assay, terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick end labellingand western blot. RESULTS Mon increased the LPS-reduced viability but decreased the LPS-evoked apoptosis rate in MLE-12 cells. Mon suppressed the concentrations and protein expressions of proinflammatory factors, and the expressions of fibrosis-related proteins in LPS-challenged MLE-12 cells compared with LPS treatment alone. Mechanically, Mon downregulated the levels of NF-κB pathway, which was confirmed with the application of the receptor activator of nuclear factor-κB ligand (RANKL). Correspondingly, RANKL reversed the ameliorative effect of Mon on the proliferation, apoptosis, inflammation and fibrosis. Moreover, Mon improved the pathological manifestations, apoptosis, the W/D ratio and pulmonary function indicators in CLP-treated mice. Consistently, Mon attenuated inflammation, fibrosis and NF-κB pathway in CLP-treated mice. CONCLUSION Mon inhibited apoptosis, inflammation and fibrosis to alleviate sepsis-evoked ALI via the NF-κB pathway.
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Affiliation(s)
- Yuanzhong Gong
- Department of Infectious Diseases, Nanping First Hospital affiliated to Fujian Medical University, Nanping, Fujian, China
| | - Junyi Wang
- Department of ICU, Nanping First Hospital Affiliated to Fujian Medical University, Nanping, Fujian, China
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Zhang H, Wu D, Wang Y, Guo K, Spencer CB, Ortoga L, Qu M, Shi Y, Shao Y, Wang Z, Cata JP, Miao C. METTL3-mediated N6-methyladenosine exacerbates ferroptosis via m6A-IGF2BP2-dependent mitochondrial metabolic reprogramming in sepsis-induced acute lung injury. Clin Transl Med 2023; 13:e1389. [PMID: 37715457 PMCID: PMC10504453 DOI: 10.1002/ctm2.1389] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 03/10/2023] [Revised: 08/13/2023] [Accepted: 08/18/2023] [Indexed: 09/17/2023] Open
Abstract
Neutrophil extracellular traps (NETs), released by polymorphonuclear neutrophils (PMNs), exert a robust antimicrobial function in infectious diseases such as sepsis. NETs also contribute to the pathogenesis and exacerbation of sepsis. Although the lung is highly vulnerable to infections, few studies have explored the role of NETs in sepsis-induced acute lung injury (SI-ALI). We demonstrate that NETs induce SI-ALI via enhanced ferroptosis in alveolar epithelial cells. Our findings reveal that the excessive release of NETs in patients and mice with SI-ALI is accompanied by upregulation of ferroptosis depending on METTL3-induced m6A modification of hypoxia-inducible factor-1α (HIF-1α) and subsequent mitochondrial metabolic reprogramming. In addition to conducting METTL3 overexpression and knockdown experiments in vitro, we also investigated the impact of ferroptosis on SI-ALI caused by NETs in a caecum ligation and puncture (CLP)-induced SI-ALI model using METTL3 condition knockout (CKO) mice and wild-type mice. Our results indicate the crucial role of NETs in the progression of SI-ALI via NET-activated METTL3 m6A-IGF2BP2-dependent m6A modification of HIF-1α, which further contributes to metabolic reprogramming and ferroptosis in alveolar epithelial cells.
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Affiliation(s)
- Hao Zhang
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Dan Wu
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yanghanzhao Wang
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Kefang Guo
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | | | - Lilibeth Ortoga
- Department of Biomedical EngineeringOhio State UniversityColumbusOhioUSA
| | - Mengdi Qu
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yuxin Shi
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Yuwen Shao
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
| | - Zhiping Wang
- Department of AnesthesiologyAffiliated Hospital of Xuzhou Medical UniversityXuzhouChina
| | - Juan P. Cata
- Department of Anesthesiology and Perioperative MedicineUniversity of Texas‐MD Anderson Cancer CenterHoustonTexasUSA
- Anesthesiology and Surgical Oncology Research GroupHoustonTexasUSA
| | - Changhong Miao
- Department of AnesthesiologyZhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Perioperative Stress and ProtectionShanghaiChina
- Department of AnesthesiologyShanghai Medical CollegeFudan UniversityShanghaiChina
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Guo W, Hu Z. SRPK1 promotes sepsis-induced acute lung injury via regulating PI3K/AKT/FOXO3 signaling. Immunopharmacol Immunotoxicol 2022; 45:203-212. [PMID: 36226860 DOI: 10.1080/08923973.2022.2134789] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Sepsis is the most common cause of death in intensive care unit. Moreover, sepsis is the leading cause of acute lung injury (ALI). Serine-arginine protein kinase 1 (SRPK1) was demonstrated to promote the development of ALI. However, the potentials of SRPK1 in sepsis-induced ALI are still unknown. This study aimed to investigate the potentials of SRPK1 in sepsis-induced ALI and the underlying mechanisms. METHODS Cecal ligation and puncture (CLP) was performed to establish sepsis-induced ALI model in vivo. Primary human pulmonary microvascular endothelial cells (HPMECs) were exposed to lipopolysaccharide (LPS) to construct sepsis-induced ALI model in vitro. Gene expression was detected using western blot and qRT-PCR. The interaction between forkhead box O3 (FOXO3) and NOD-like receptor thermal protein domain associated protein 3 (NLRP3) was detected using luciferase and Chromatin immunoprecipitation (ChIP) assay. Cellular functions were CCK-8, colony formation, PI staining, and flow cytometry assay. RESULTS SRPK1 was downregulated in patients with sepsis-induced ALI. Overexpression of SRPK1 suppressed the pyroptosis of HPMECs as well as promoted cell proliferation. Additionally, SRPK1 overexpression alleviated sepsis-induced ALI in vivo. SRPK1 activated phosphatidylinositol3-kinase (PI3K) signaling pathways. Blocking the activation of PI3K degraded the cellular functions of HPMECs. Moreover, FOXO3 transcriptionally inactivated NLRP3 and suppressed its mRNA and protein expression. CONCLUSION Taken together, SRPK1 suppressed sepsis-induced ALI via regulating PI3K/AKT/FOXO3/NLRP3 signaling. SRPK1 may be the potential biomarker for sepsis-induced ALI.
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Affiliation(s)
- Wei Guo
- Department of Medicine, Soochow University, Shizi Street, Gusu District, Suzhou, Jiangsu 215006, China.,Emergency Department, The first affiliated hospital of JinZhou Medical University, Section 5, Renmin Street, Guta District, Jinzhou, Liaoning 121000, China
| | - Zhansheng Hu
- Critical Care Medicine Department, The first affiliated hospital of JinZhou Medical University, Section 5, Renmin Street, Guta District, Jinzhou, Liaoning 121000, China
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Wang L, Zhao M. Suppression of NOD-like receptor protein 3 inflammasome activation and macrophage M1 polarization by hederagenin contributes to attenuation of sepsis-induced acute lung injury in rats. Bioengineered 2022; 13:7262-7276. [PMID: 35266443 PMCID: PMC9208453 DOI: 10.1080/21655979.2022.2047406] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [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] [Indexed: 12/25/2022] Open
Abstract
Acute lung injury (ALI) is a major leading cause of death in sepsis patients. Hederagenin (HG), derived from Hedera helix Linné, has anti-inflammatory effects, while its role in sepsis-induced ALI has not been elucidated. In vivo, rats were subjected to cecal ligation and puncture to induce ALI and then treated with HG (12.5, 25, or 50 mg/kg) by gavage. Administration of HG raised survival rate, ameliorated lung injury, and decreased lung wet/dry ratio and inflammatory cell accumulation in bronchoalveloar lavage fluid (BALF) of ALI rats. HG inhibited macrophage polarization toward the M1 phenotype as evidenced by decreased CD86 expression in rat lung tissues. Moreover, HG decreased the secretion of TNF-α, IL-6 and monocyte chemoattractant protein-1 (MCP-1) in BALF and the levels of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in lung tissues. In vitro, phorbol-12-myristate-13-acetate (PMA)-differentiated THP-1 macrophages were stimulated with 100 ng/mL lipopolysaccharide. HG treatment inhibited M1 macrophage polarization and the production of M1-related pro-inflammatory mediators (IL-6, MCP-1, iNOS, and COX-2). Mechanistically, HG inhibited NLRP3 inflammasome activation and subsequent release of IL-18 and IL-1β, and suppressed NF-κB signaling pathway both in vivo and in vitro. Notably, HG treatment further emphasized the inhibitory effect of NF-κB inhibitor BAY11-7082 on NLRP3 inflammasome activation and macrophage M1 polarization. Taken together, HG exerts a protective effect against sepsis-induced ALI by reducing the inflammatory response and macrophage M1 polarization, which may involve NF-κB pathway-modulated NLRP3 inflammasome activation.
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Affiliation(s)
- Lin Wang
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Min Zhao
- Department of Emergency Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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11
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Song Y, Wu Q, Jiang H, Hu A, Xu L, Tan C, Zhang B, Yu R, Qiu Y, Wang X, Yang W. The Effect of Shionone on Sepsis-Induced Acute Lung Injury by the ECM1/STAT5/NF-κB Pathway. Front Pharmacol 2022; 12:764247. [PMID: 35153740 PMCID: PMC8826228 DOI: 10.3389/fphar.2021.764247] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 08/25/2021] [Accepted: 12/29/2021] [Indexed: 11/16/2022] Open
Abstract
Purpose: The purpose of the present study was to estimate the effect of shionone (SHI) on sepsis-induced acute lung injury (ALI). Methods: The cecal ligation and puncture (CLP) surgery was performed to induce sepsis in mice. Pulmonary hematoxylin and eosin staining, the wet/dry ratio, myeloperoxidase (MPO) activity, and the survival rate were detected. The RAW264.7 cells were treated with SHI and stimulated with lipopolysaccharide (LPS). The cells were also overexpressed by extracellular mechanism protein 1 (ECM1) adenovirus. The relative levels of granulocyte–macrophage colony-stimulating factor, IL-6, IL-1β, TNF-α, IL-10, and TGF-β in the serum and supernatant were measured by ELISA. The protein expressions of ECM1, p-STAT5, signal transducer and activator of transcription 5 (STAT5), p-NF-κB, nuclear factor kappa-B (NF-κB), Arg1, CD206, CD16/32, and iNOS in the CLP-induced lung tissues and LPS-induced cells were detected by western blot. The cell counts of Ly6G, F4/80, CD16/32, and CD206 were evaluated by flow cytometry. The ECM1 expression was also observed by immunohistochemistry and immunofluorescence staining. Results: As a result, the histopathological change, pulmonary edema, and the MPO activity were relieved by SHI. SHI treatment increased the percentage of neutrophil and macrophage in the bronchoalveolar lavage fluid. Besides, SHI administration inhibited pro-inflammatory cytokines and M1 phenotype indices, as well as augmented the anti-inflammatory cytokines and M2 phenotype indices. SHI also attenuated the ECM1/STAT5/NF-κB pathway both in vivo and in vitro. The overexpression of ECM1 confirmed that the regulated effect of SHI was due to ECM1 signaling. Conclusion: In conclusion, the present study suggests that SHI ameliorated sepsis-induced ALI by screwing M1 phenotype to M2 phenotype macrophage via the ECM1/STAT5/NF-κB pathway.
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Affiliation(s)
- Yi Song
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Qian Wu
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Huojun Jiang
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Aihao Hu
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Lingqi Xu
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Caiping Tan
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Biao Zhang
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Rongming Yu
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Yizhen Qiu
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Xin Wang
- Li Shicai School Inheritance Studio, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Wenzhong Yang
- Department of Critical Care Medicine, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
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Li J, Xu H, Li N, Du W, Ti J, Chen J. Long non-coding RNA growth arrest specific 5 is downregulated in sepsis-ALI and inhibits apoptosis by up-regulating miR-146a. Bioengineered 2022; 13:4146-4152. [PMID: 35112981 PMCID: PMC8974100 DOI: 10.1080/21655979.2021.2014619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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] [Indexed: 12/12/2022] Open
Abstract
Long non-coding RNA (lncRNA) growth arrest specific 5 (GAS5) and microRNA (miR)-146a both have inhibitory effects on LPS-induced inflammation, suggesting the crosstalk between them. In this study, the expression of GAS5 and miR-146a in patients with sepsis-induced acute lung injury (sepsis-ALI), sepsis patients without obvious complications (sepsis) and healthy controls were studied by RT-qPCR. The role of GAS5 in the expression and methylation of miR-146a in human bronchial epithelial cells (HBEpCs) were studied by RT-qPCR and methylation-specific PCR (MSP), respectively. Cell apoptosis was analyzed by flow cytometry. We found that GAS5 and miR-146a were downregulated in sepsis-ALI and the expression of these two were correlated. LPS induced the downregulation of GAS5 and miR-146a in HBEpCs. In HBEpCs, overexpression of GAS5 increased the expression levels of miR-146a and reduced the methylation of miR-146a gene. Under lipopolysaccharide (LPS) treatment, overexpression of GAS5 and miR-146a decreased the apoptotic rate of HBEpCs. Moreover, the combined overexpression of GAS5 and miR-146a showed stronger effects. Therefore, GAS5 is downregulated in sepsis-ALI and inhibits cell apoptosis by up-regulating the expression of miR-146a.
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Affiliation(s)
- Jiaqiong Li
- Department of Critical Care Medicine, Xuzhou Central Hospital, Xuzhou Clinic School of Nanjing Medical University, Xuzhou City, Jiangsu Province, China
| | - Hongyang Xu
- Department of Lung Transplant Center, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi City, Jiangsu Province, China
| | - Na Li
- Department of Critical Care Medicine, Xuzhou Central Hospital, Xuzhou Clinic School of Nanjing Medical University, Xuzhou City, Jiangsu Province, China
| | - Wenjing Du
- Department of Critical Care Medicine, Xuzhou Central Hospital, Xuzhou Clinic School of Nanjing Medical University, Xuzhou City, Jiangsu Province, China
| | - Junxiang Ti
- Department of Critical Care Medicine, Xuzhou Central Hospital, Xuzhou Clinic School of Nanjing Medical University, Xuzhou City, Jiangsu Province, China
| | - Jingyu Chen
- Department of Lung Transplant Center, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi City, Jiangsu Province, China
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Chen Q, Shao X, He Y, Lu E, Zhu L, Tang W. Norisoboldine Attenuates Sepsis-Induced Acute Lung Injury by Modulating Macrophage Polarization via PKM2/HIF-1α/PGC-1α Pathway. Biol Pharm Bull 2021; 44:1536-1547. [PMID: 34602563 DOI: 10.1248/bpb.b21-00457] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study aimed to investigate the effect of norisopoldine (NOR) on acute lung injury in septic mice. Lipopolysaccharide (LPS) was used to establish sepsis induced acute lung injury (ALI) in mice. The dry and wet weight of mice lung was detected, and the pathological changes of lung were observed by hematoxylin and eosin (H&E) staining. Bronchoalveolar lavage fluid (BALF) was detected. Inflammatory factors in BALF were detected by enzyme-linked immunosorbent assay (ELISA). The polarization of macrophages in lung tissue was detected by flow cytometry. The markers of M1 and M2 macrophages were detected by RT-PCR. LPS induced RAW264.7 cells were treated with NOR. Inflammatory response, macrophage polarization, glycolysis, and M2 pyruvate kinase (PKM2)/hypoxia inducible factor-1α (HIF-1α)/peroxisome proliferator activated receptor-γ co-activator 1-α (PGC-1α) signaling pathway were detected. NOR could effectively alleviate sepsis induced ALI, and reduce the number of total cells, total protein concentration, neutrophils, macrophages in BALF. NOR decreased the level of inflammatory factors and promoted macrophages from M1 to M2 type in vivo and vitro. Moreover, NOR could activated PKM2, and inhibited PKM2 from cytoplasm to nuclear, attenuated HIF-1α expression, and increased PGC-1α and peroxisome proliferator-activated receptor (PPAR)-γ expression. In addition, NOR inhibited glycolysis and promoted oxidative phosphorylation in RAW264.7 cells. Furthermore, PKM2 inhibitors could reverse the effect of NOR on PKM2/HIF-1α/PGC-1α signaling pathway in RAW264.7 cells. NOR alleviated sepsis induced AIL in mice, inhibited the inflammatory response, promote M2 polarization of macrophages through regulating PKM2/HIF-1α/PGC-1α signaling pathway.
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Affiliation(s)
- Qi Chen
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
| | - Xuebo Shao
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
| | - Yanyan He
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
| | - Enkui Lu
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
| | - Lijun Zhu
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
| | - Weidong Tang
- Department of Critical Care Medicine, the First People's Hospital of Fuyang District
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Luo F, Jiang W, Xu Y, Liu XM, Wang W, Zhang W, Luo C. The Mechanisms Involved in Mesenchymal Stem Cell Alleviation of Sepsis-Induced Acute Lung Injury in Mice: A Pilot Study. Curr Ther Res Clin Exp 2020; 93:100593. [PMID: 32760471 PMCID: PMC7393454 DOI: 10.1016/j.curtheres.2020.100593] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 02/17/2020] [Accepted: 06/21/2020] [Indexed: 12/19/2022] Open
Abstract
Background Acute lung injury is a common complication of sepsis in intensive care unit patients. Inflammation is among the main mechanisms of sepsis. Therefore, suppression of inflammation is an important mechanism for sepsis treatment. Mesenchymal stem cells (MSCs) have been reported to exhibit antimicrobial properties. Objective The present study investigated the effects of MSCs on sepsis-induced acute lung injury. Methods Male C57BL/6 mice underwent a cecal ligation and puncture (CLP) operation to induce sepsis and then received either normal saline or MSCs (1 × 106 cells intravenously) at 3 hours after surgery. Survival after surgery was assessed. Lung injury was assessed by histology score, the presence of lung edema, vascular permeability, inflammatory cell infiltration, and cytokine levels in bronchoalveolar lavage fluid. Finally, we tested nuclear factor kappa-light-chain-enhancer of activated B cells activation in lung tissue. Results As expected, CLP caused lung injury as indicated by significant increases in the histopathology score, lung wet to dry weight ratio, and total protein concentration. However, mice treated with MSCs had amelioration of the lung histopathologic changes, lung wet to dry weight ratio, and total protein concentration. The levels of cytokines tumor necrosis factor alpha, interleukin 6, interleukin 1β, and interleukin 17 in bronchoalveolar lavage fluid were dramatically decreased after MSCs treatment. In contrast, expression of interleukin 10 was increased after MSCs treatment. Moreover, mice treated with MSCs had a higher survival rate than the CLP group. Neutrophil infiltration into bronchoalveolar lavage fluid was attenuated after MSCs injection, but the amounts of macrophages observed in the MSC group showed no significant differences compared with the CLP group. In addition, MSCs treatment significantly reduced nuclear factor kappa-light-chain-enhancer of activated B cells activation in lung tissue. Conclusions Based on the above findings, treatment with MSCs dampened the inflammatory response and inhibited nuclear factor kappa-light-chain-enhancer of activated B cells activation in the mouse CLP model. Thus, MSCs may be a potential new agent for the treatment of sepsis-induced acute lung injury. (Curr Ther Res Clin Exp. 2020; 81:XXX-XXX).
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Affiliation(s)
- Feng Luo
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Wei Jiang
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Yan Xu
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Xue-Mei Liu
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Wei Wang
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Wei Zhang
- The Affiliated Hospital of Qingdao University, Shandong, China
| | - Congjuan Luo
- The Affiliated Hospital of Qingdao University, Shandong, China
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Cheng Y, Cao X, Qin L. Mesenchymal Stem Cell-Derived Extracellular Vesicles: A Novel Cell-Free Therapy for Sepsis. Front Immunol 2020; 11:647. [PMID: 32373121 PMCID: PMC7186296 DOI: 10.3389/fimmu.2020.00647] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [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: 01/12/2020] [Accepted: 03/23/2020] [Indexed: 12/20/2022] Open
Abstract
Sepsis remains a serious and life-threatening disease with high morbidity and mortality. Due to the unique immunomodulatory, anti-inflammatory, anti-apoptotic, anti-microbial, anti-oxidative, and reparative properties, mesenchymal stem cells (MSCs) have been extensively used in preclinical and clinical trials for diverse diseases and have shown great therapeutic potential in sepsis. However, concerns remain regarding whether MSCs can become tumorigenic or have other side effects. Extracellular vesicles (EVs) are a heterogeneous group of membrane-enclosed particles released from almost any cell and perform an important role in intercellular communication. Recently, it has emerged that EVs derived from MSCs (MSC-EVs) appear to exert a therapeutic benefit similar to MSCs in protecting against sepsis-induced organ dysfunction by delivering a cargo that includes RNAs and proteins to target cells. More importantly, compared to their parent cells, MSC-EVs have a superior safety profile, can be safely stored without losing function, and possess other advantages. Hence, MSC-EVs may be used as a novel alternative to MSC-based therapy in sepsis. Here, we summarize the properties and applications of MSC-EVs in sepsis.
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Affiliation(s)
- Yanwei Cheng
- Department of Emergency, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, China
| | - Xue Cao
- Department of Rheumatology and Immunology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, China
| | - Lijie Qin
- Department of Emergency, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, People's Hospital of Henan University, Zhengzhou, China
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