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Zhang XP, Zhang WT, Qiu Y, Ju MJ, Yang C, Tu GW, Luo Z. Cyclic helix B peptide alleviates sepsis-induced acute lung injury by downregulating NLRP3 inflammasome activation in alveolar macrophages. Int Immunopharmacol 2020; 88:106849. [PMID: 32795894 DOI: 10.1016/j.intimp.2020.106849] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/13/2020] [Accepted: 07/26/2020] [Indexed: 02/07/2023]
Abstract
Acute lung injury (ALI) exhibits high clinical morbidity and mortality rates. Our previous study has indicated that the novel proteolysis-resistant cyclic helix B peptide (CHBP) exerts an anti-inflammatory effect in mice with AKI. In the present study, we evaluated the effect of CHBP in an in vivo sepsis-induced ALI model and in vitro using lipopolysaccharide (LPS) and ATP stimulated bone marrow-derived macrophages (BMDMs). For in vivo experiments, mice were randomly divided into three groups: 1) sham; 2) LPS; and 3) LPS + CHBP (n = 6). All relevant data were collected after 18 h. Following CHBP treatment, the lung function of the mice was significantly improved compared to the LPS group. CHBP administration inhibited interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α production at both the protein and mRNA levels. Additionally, following CHBP treatment, the population of pulmonary macrophages decreased. Simultaneously, the proportion of caspase-1-activated alveolar macrophages was also decreased after CHBP treatment. The protein levels of NLRP3 and cleaved caspase-1 were attenuated in the lung tissue following CHBP treatment. In in vitro experiments, CHBP treatment decreased NLRP3 inflammasome expression and downstream IL-1β secretion, consistent with the in vivo results. In addition, CHBP reversed nuclear factor (NF)-κB and I-κB phosphorylation with a significant dose-dependent effect. Therefore, these findings suggest the potential of CHBP as a therapeutic agent in sepsis-induced ALI owing to inhibition of the NLRP3 inflammasome via the NF-κB pathway in macrophages.
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Affiliation(s)
- Xue-Peng Zhang
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China
| | - Wei-Tao Zhang
- Department of Urology, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China; Shanghai Key Laboratory of Organ Transplantation, No. 179 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China
| | - Yue Qiu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China
| | - Min-Jie Ju
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China
| | - Cheng Yang
- Department of Urology, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China; Shanghai Key Laboratory of Organ Transplantation, No. 179 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China
| | - Guo-Wei Tu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China.
| | - Zhe Luo
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, No. 180 Fenglin Road, Xuhui District, Shanghai 200032, People's Republic of China; Department of Critical Care Medicine, Xiamen Branch, Zhongshan Hospital, Fudan University, No. 668 Jinghu Road, Huli District, Xiamen 361015, People's Republic of China.
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Zhang L, Meng H, Geng Q. Commentary: Peripheral Circulating Exosome-Mediated Delivery of miR-155 as a Novel Mechanism for Acute Lung Inflammation. Front Med (Lausanne) 2020; 7:507. [PMID: 33015089 PMCID: PMC7494804 DOI: 10.3389/fmed.2020.00507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 07/23/2020] [Indexed: 11/13/2022] Open
Affiliation(s)
- Lin Zhang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Heng Meng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qing Geng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, China
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Wang K, Zhang Y, Cao Y, Shi Z, Lin Y, Chen Y, Zhao H, Liu X. Glycyrrhetinic acid alleviates acute lung injury by PI3K/AKT suppressing macrophagic Nlrp3 inflammasome activation. Biochem Biophys Res Commun 2020; 532:555-562. [PMID: 32900490 DOI: 10.1016/j.bbrc.2020.08.044] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 08/14/2020] [Indexed: 12/11/2022]
Abstract
Glycyrrhetinic acid (GA), a triterpene saponins, has been widely proven to have multiple medicinal properties. Our study aimed to figure out the protective effect of GA on acute lung injury (ALI) and the underlying mechanism. The LPS-induced ALI model mice were intratracheally administrated with 10 mg/kg LPS. Pretreatment with GA (10, 20, 40 mg/kg, i.g.) ameliorated acute lung injury pathological damage, macrophage infiltration and lung edema. In the lung tissue, immunofluorescence (IF) and Immunohistochemistry (IHC) were performed to detect macrophage Nod-like receptor 3 (Nlrp3) inflammasome activation and interleukin-1β (IL-1β) protein expression. In macrophages, the co-localization of Nlrp3 with caspase-1 and Nlrp3 with ASC were assessed by IF. The translational and transcriptional level of Nlrp3, cle-caspase-1 and apoptosis-associated speck-like protein containing CARD (ASC), were examined by Western blot and Real time PCR (RT-PCR). The protein expression of Cle-caspase-1 was remarkably suppressed via sh-Nlrp3 transfection compared with LPS groups. GA notably attenuated ALI by inhibiting Nlrp3 formation and activation. Furthermore, GA downregulated the production of reactive oxygen species (ROS) and the phosphorylation level of PI3K and AKT in macrophages. These findings indicate that GA ameliorated ALI in mice by suppressing the activation of Nlrp3 inflammasome which may be mediated by ROS-PI3K/AKT pathway. GA may serve as a promising agent for the attenuation of ALI-related inflammation and pathology.
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Affiliation(s)
- Kai Wang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Yi Zhang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yue Cao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zhimian Shi
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yike Lin
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yang Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Hui Zhao
- Department of Basic Medical, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Xiaohong Liu
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
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Peng Y, Wu Q, Tang H, Chen J, Wu Q, Yuan X, Xiong S, Ye Y, Lv H. NLRP3 Regulated CXCL12 Expression in Acute Neutrophilic Lung Injury. J Inflamm Res 2020; 13:377-386. [PMID: 32801831 PMCID: PMC7399452 DOI: 10.2147/jir.s259633] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/02/2020] [Indexed: 12/18/2022] Open
Abstract
Background and Purpose Both NLRP3 inflammasome and chemokines are involved in the initiation and development of acute lung inflammation, but the underlying mechanism is still elusive. The present study investigated the role of chemokines and NLRP3 in recruiting neutrophils in the early phase of acute lung injury. Methods In an endotoxin (lipopolysaccharide [LPS])-induced acute lung injury model, we measured the lung injury severity, myeloperoxidase (MPO) activity and chemokine profiles in wild-type (WT) and NLRP3 knockout (NLRP3–/–) mice, and then identified the key chemokines by specific antibody blockage. Results The results showed that NLRP3 deficiency was associated with alleviating lung damage, by reducing alveolar epithelial cell apoptosis and decreasing neutrophil accumulation. Furthermore, compared with WT mice, IL-1β, CCL2, CXCL1, CXCL5 and CXCL12 levels from the serum of NLRP3–/– mice were much lower after exposure to LPS. However, in lung tissue, only lower CXCL12 levels were observed from the NLRP3–/– ALI mice, and higher levels of CXCR4 were expressed in NLRP3–/– neutrophils. Blockage of CXCL12 dramatically relieved the severity of ALI and reduced neutrophil accumulation in the lung. Conclusion NLRP3 alters CXCL12 expression in acute lung injury. CXCL12 is crucial for neutrophil recruitment in NLRP3-mediated neutrophilic lung injury.
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Affiliation(s)
- Yanwen Peng
- The Biotherapy Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, People's Republic of China
| | - Qiongli Wu
- Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, People's Republic of China
| | - Hao Tang
- Department of General Practice, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, People's Republic of China
| | - Jingrou Chen
- The Biotherapy Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, People's Republic of China
| | - Qili Wu
- The Biotherapy Center, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, People's Republic of China
| | - Xiaofeng Yuan
- The General Intensive Care Unit, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, People's Republic of China
| | - Shiqiu Xiong
- Cell Biology Group, National Measurement Lab, LGC Fordham, Cambridgeshire CB7 5WW, UK
| | - Yujin Ye
- Department of Rheumatology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, People's Republic of China
| | - Haijin Lv
- The Surgical and Transplant Intensive Care Unit, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, People's Republic of China
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Minagawa S, Yoshida M, Araya J, Hara H, Imai H, Kuwano K. Regulated Necrosis in Pulmonary Disease. A Focus on Necroptosis and Ferroptosis. Am J Respir Cell Mol Biol 2020; 62:554-562. [PMID: 32017592 DOI: 10.1165/rcmb.2019-0337tr] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
To date, increasing evidence suggests the possible involvement of various types of cell death in lung diseases. The recognized regulated cell death includes necrotic cell death that is immunogenic, releasing damage-associated molecular patterns and driving tissue inflammation. Necroptosis is a well-understood form of regulated necrosis that is executed by RIPK3 (receptor-interacting protein kinase 3) and the pseudokinase MLKL (mixed lineage kinase domain-like protein). Ferroptosis is a newly described caspase-independent form of regulated necrosis that is characterized by the increase of detrimental lipid reactive oxygen species produced via iron-dependent lipid peroxidation. The role of these two cell death pathways differs depending on the disease, cell type, and microenvironment. Moreover, some experimental cell death models have demonstrated shared ferroptotic and necroptotic cell death and the synergistic effect of simultaneous inhibition. This review examines the role of regulated necrotic cell death, particularly necroptosis and ferroptosis, in lung disease pathogenesis in the context of recent insights into the roles of the key effector molecules of these two cell death pathways.
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Affiliation(s)
- Shunsuke Minagawa
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan; and
| | - Masahiro Yoshida
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan; and
| | - Jun Araya
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan; and
| | - Hiromichi Hara
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan; and
| | - Hirotaka Imai
- Laboratory of Hygienic Chemistry and Medicinal Research Laboratories, School of Pharmaceutical Sciences, Kitasato University, Tokyo, Japan
| | - Kazuyoshi Kuwano
- Division of Respiratory Diseases, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan; and
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56
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Shi Y, Chen X, Huang C, Pollock C. RIPK3: A New Player in Renal Fibrosis. Front Cell Dev Biol 2020; 8:502. [PMID: 32613000 PMCID: PMC7308494 DOI: 10.3389/fcell.2020.00502] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 05/26/2020] [Indexed: 12/28/2022] Open
Abstract
Chronic kidney disease (CKD) is the end result of a plethora of renal insults, including repeated episodes of acute or toxic kidney injury, glomerular, or diabetic kidney disease. It affects a large number of the population worldwide, resulting in significant personal morbidity and mortality and economic cost to the community. Hence it is appropriate to focus on treatment strategies that interrupt the development of kidney fibrosis, the end result of all forms of CKD, in addition to upstream factors that may be specific to certain diseases. However, the current clinical approach to prevent or manage renal fibrosis remains unsatisfactory. The rising importance of receptor-interacting serine/threonine-protein kinase (RIPK) 3 in the inflammatory response and TGF-β1 signaling is increasingly recognized. We discuss here the biological functions of RIPK3 and its role in the development of renal fibrosis.
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Affiliation(s)
- Ying Shi
- Nephrology, School of Medicine, Stanford University, Palo Alto, CA, United States
| | - Xinming Chen
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Chunling Huang
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
| | - Carol Pollock
- Kolling Institute of Medical Research, Sydney Medical School, The University of Sydney, Sydney, NSW, Australia
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Li W, Ni H, Wu S, Han S, Chen C, Li L, Li Y, Gui F, Han J, Deng X. Targeting RIPK3 oligomerization blocks necroptosis without inducing apoptosis. FEBS Lett 2020; 594:2294-2302. [PMID: 32412649 DOI: 10.1002/1873-3468.13812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 01/19/2023]
Abstract
Receptor-interacting serine/threonine-protein kinase 3 (RIPK3) is a central protein in necroptosis with great potential as a target for treating necroptosis-associated diseases, such as Crohn's disease. However, blockade of RIPK3 kinase activity leads to unexpected RIPK3-initiated apoptosis. Herein, we found that PP2, a known SRC inhibitor, inhibits TNF-α-induced necroptosis without initiating apoptosis. Further investigation showed that PP2 acts as an inhibitor of not only SRC but also RIPK3. PP2 does not disturb the integrity of the RIPK1-RIPK3-mixed lineage kinase domain-like pseudokinase (MLKL) necroptosome or the autophosphorylation of RIPK3 at T231/S232 but disrupts RIPK3 oligomerization, thereby impairing the phosphorylation and oligomerization of MLKL. These results demonstrate the essential role of RIPK3 oligomerization in necroptosis and suggest a potential RIPK3 oligomerization-targeting strategy for therapeutic development.
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Affiliation(s)
- Wenjuan Li
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China
| | - Hengxiao Ni
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China
| | - Shaofeng Wu
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
| | - Shang Han
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
| | - Chang'an Chen
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China
| | - Li Li
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
| | - Yunzhan Li
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
| | - Fu Gui
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
| | - Jiahuai Han
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China
| | - Xianming Deng
- School of Life Sciences, Xiamen University, Xiamen, China.,Cancer Research Center of Xiamen University, Xiamen, China.,State-Province Joint Engineering Laboratory of Targeted Drugs from Natural Products, Xiamen University, Xiamen, China
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Lei J, Shen Y, Xv G, Di Z, Li Y, Li G. Aloin suppresses lipopolysaccharide-induced acute lung injury by inhibiting NLRP3/NF-κB via activation of SIRT1 in mice. Immunopharmacol Immunotoxicol 2020; 42:306-313. [PMID: 32419528 DOI: 10.1080/08923973.2020.1765373] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The purpose of this study was to explore the protective effects and potential mechanisms of aloin on lipopolysaccharide (LPS)-induced acute lung injury (ALI). METHODS Mice were pretreatment with aloin 1 h before LPS administration. The number of inflammatory cells and the levels of TNF-α and IL-1β was detected. The lung histopathological changes, wet/dry ratio, MPO activity, GSH, MDA, SOD, and the expression of NF-κB and NLRP3 inflammasome were measured. RESULTS The results showed that aloin significantly inhibited the number of total cells, neutrophils, and macrophages, as well as the levels of TNF-α and IL-1β in BALF induced by LPS. In addition, pretreatment with aloin also inhibited LPS-induced lung histopathological injuries, lung wet/dry ratio, MPO activity, and MDA content. The levels of GSH and SOD were decreased by LPS and treatment of aloin could increase the levels of GSH and SOD. To study the protective mechanisms of alion on LPS-induced ALI, the expression of SIRT1, NF-κB and NLRP3 inflammasome were tested. We found that aloin significantly inhibited the activation of NF-κB and NLRP3 inflammasome in ALI induced by LPS. Meanwhile, aloin was found to increase the expression of SIRT1 and inhibition of SIRT1 by EX-527 reversed the protective effects of aloin. CONCLUSIONS These results suggest that aloin exerts its protective effects on LPS-induced ALI by activation SIRT1, which subsequently results in the suppression of NF-κB and NLRP3 inflammasome.
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Affiliation(s)
- Jiaji Lei
- Department of Thoracic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yongbin Shen
- Department of Vascular Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Guangquan Xv
- Department of Thoracic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhixin Di
- Department of ultrasound, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yongchao Li
- Department of Thoracic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Guanghua Li
- Department of Thoracic Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Cannabinoid receptor 2 activation alleviates septic lung injury by promoting autophagy via inhibition of inflammatory mediator release. Cell Signal 2020; 69:109556. [DOI: 10.1016/j.cellsig.2020.109556] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/01/2020] [Accepted: 02/03/2020] [Indexed: 12/14/2022]
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60
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Wang L, Shi X, Zheng S, Xu S. Selenium deficiency exacerbates LPS-induced necroptosis by regulating miR-16-5p targeting PI3K in chicken tracheal tissue. Metallomics 2020; 12:562-571. [PMID: 32125337 DOI: 10.1039/c9mt00302a] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Multiple tissue necrosis is one of the morphological features of selenium deficiency-mediated injury. MicroRNA (miRNA) participates in the occurrence and development of necroptosis by regulating target genes. Necroptosis is a programmed form of necrosis, and it is closely related to lipopolysaccharide (LPS)-induced injury. Our aim was to investigate whether Se deficiency can promote tracheal injury caused by LPS through miRNA-induced necroptosis. By establishing models of tracheal injury in Se-deficient chickens, we verified the targeting relationship between chicken-derived miR-16-5p and PI3K through bioinformatics, qRT-PCR and WB analyses, and we measured the changes in the expression of genes related to the PI3K/AKT pathway, RIP3/MLKL pathway and MAPK pathway and of heat shock proteins. Under the condition of Se deficiency, the following results were observed: PI3K/AKT expression decreased with the upregulation of miR-16-5p, the expression of necroptosis-related factors (TNF-α, RIP1, FADD, RIP3 and MLKL) increased, and the expression of Caspase 8 significantly decreased (p < 0.05). Light microscopy observations indicated that cell necrosis was the main pathological change due to Se deficiency injury in the tracheal epithelium. The MAPK pathway was activated, and HSP expression was upregulated, indicating that the MAPK pathway and HSPs are both involved in Se deficiency-mediated necroptosis. In addition, Se deficiency promoted the expression of necroptosis-related genes in LPS-treated chickens (p < 0.05), and the pathological changes of cell necrosis were more obvious. In conclusion, we demonstrated that Se deficiency regulates the miR-16-5p-PI3K/AKT pathway and exacerbates LPS-induced necroptosis in chicken tracheal epithelial cells by activating necroptosis-related genes.
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Affiliation(s)
- Lanqiao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China.
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Fang XZ, Ge YL, Chen ZY, Shu HQ, Yang YY, Yu Y, Zhou XJ, Chen L, Cui SN, Wang YX, Yao SL, Shang Y. NecroX-5 alleviate lipopolysaccharide-induced acute respiratory distress syndrome by inhibiting TXNIP/NLRP3 and NF-κB. Int Immunopharmacol 2020; 81:106257. [PMID: 32044659 DOI: 10.1016/j.intimp.2020.106257] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/04/2020] [Accepted: 01/24/2020] [Indexed: 02/07/2023]
Abstract
The activation of NLRP3 inflammasome and NF-κB pathway, associating with oxidativestress, have been implicated in the development of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). NecroX-5 has been reported to exhibit theeffectsofanti-oxidation and anti-stress in various diseases. However, the role of NecroX-5 in ALI has not been explicitly demonstrated. The aim of this study was to explore the therapeutic effects and potential mechanism action of NecroX-5 on ALI. Here, we found that NecroX-5 pretreatment dramatically diminished the levels of IL-1β, IL-18 and ROS in in RAW264.7 cells challenged with LPS and ATP. Furthermore, NecroX-5 suppressed the activation of NLRP3 inflammasome and NF-κB signalpathway. In addition, NecroX-5 also inhibited the thioredoxin-interacting protein (TXNIP) expression. In vivo, NecroX-5 reduced the LPS-induced lung histopathological injury, the number of TUNEL-positive cells, lung wet/dry (W/D) ratio, levels of total protein and inflammatory cytokines in the bronchoalveolar lavage fluid (BALF) in mice. Additionally, LPS-induced upregulation of myeloperoxidase (MPO), ROS production and malondialdehyde (MDA) were inhibited by NecroX-5 administration. Thus, our results demonstrate that NecroX-5 protects against LPS-induced ALI by inhibiting TXNIP/NLRP3 and NF-κB.
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Affiliation(s)
- Xiang-Zhi Fang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China; Department of Anesthesiology, Clinical Medical School of Yangzhou University (Subei People's Hospital of Jiangsu Province), Yangzhou, Jiangsu Province, PR China
| | - Ya-Li Ge
- Department of Anesthesiology, Clinical Medical School of Yangzhou University (Subei People's Hospital of Jiangsu Province), Yangzhou, Jiangsu Province, PR China
| | - Zhao-Yuan Chen
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Hua-Qing Shu
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yi-Yi Yang
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong Universityof Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Yuan Yu
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Xiao-Jing Zhou
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Lin Chen
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Shu-Nan Cui
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Ya-Xin Wang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Shang-Long Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong Universityof Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China.
| | - You Shang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, HuazhongUniversity of Science and Technology, Wuhan, Hubei 430022, China; Institute of Anesthesiology and Critical Care Medicine, Union Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, Hubei 430022, China.
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Gao J, Liu Q, Li J, Hu C, Zhao W, Ma W, Yao M, Xing L. Fibroblast Growth Factor 21 dependent TLR4/MYD88/NF-κB signaling activation is involved in lipopolysaccharide-induced acute lung injury. Int Immunopharmacol 2020; 80:106219. [PMID: 31991373 DOI: 10.1016/j.intimp.2020.106219] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/02/2020] [Accepted: 01/14/2020] [Indexed: 12/26/2022]
Abstract
Fibroblast Growth Factor 21 (FGF21) has been reported to reduce inflammation and apoptosis. Inflammation and apoptosis are both the essential mechanisms during development of acute lung injury. This study evaluated whether pre-treatment of FGF21 could alleviate acute lung injury. Mice were pre-treated with FGF21 prior to lipopolysaccharide (LPS) treatment. 24 h later, the lung tissues and BALF were obtained to detect H&E pathology, W/D ratio, pro-inflammatory factors (TNF-α, IL-1β and IL-6) and apoptosis. In vitro, Human BEAS-2B and THP-1 cells were overexpressed with TLR4 or MYD88 or NF-κB plasmid to detect the inflammation or apoptosis. Data showed that FGF21 was proved to be beneficial for inhibiting inflammation and apoptosis in the LPS- induced Balb/c mice or LPS induced BEAS-2B or THP-1 cells. Furthermore, the data showed that FGF21 suppressed inflammation and apoptosis via inhibition of TLR4/MYD88/NF-κB signaling pathway. Therefore, FGF21 provides a possibility for the treatment of LPS induced acute lung injury.
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Affiliation(s)
- Jing Gao
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Qiuhong Liu
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Junlu Li
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Chunling Hu
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Wei Zhao
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Wentao Ma
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Mengying Yao
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China
| | - Lihua Xing
- Department of Respiratory Intensive Care Unit, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450000, China.
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63
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Du XK, Ge WY, Jing R, Pan LH. Necroptosis in pulmonary macrophages mediates lipopolysaccharide-induced lung inflammatory injury by activating ZBP-1. Int Immunopharmacol 2019; 77:105944. [DOI: 10.1016/j.intimp.2019.105944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/15/2019] [Accepted: 09/26/2019] [Indexed: 12/19/2022]
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Zhao P, Liu G, Cui Y, Sun X. Propylene glycol alginate sodium sulphate attenuates LPS-induced acute lung injury in a mouse model. Innate Immun 2019; 25:513-521. [PMID: 31495247 PMCID: PMC6900665 DOI: 10.1177/1753425919874491] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Propylene glycol alginate sodium sulphate, a sulphated polysaccharide,
has been used to treat hyperlipidaemia and ischaemia–reperfusion
injury of liver. This study aimed to investigate the effect of
propylene glycol alginate sodium sulphate on LPS-induced acute lung
injury. Propylene glycol alginate sodium sulphate was injected
intraperitoneally into male C57BL/6 mice with or without LPS
administration. Survival rates were calculated. Serum, bronchoalveolar
lavage fluid and lung tissues were collected to determine lung
histology, wet/dry ratio, Evans blue albumin permeability, protein
levels, the counts of immune cells and the levels of inflammatory
cytokines and chemokines. Serum alanine aminotransferase, aspartate
transaminase, creatinine and blood urea nitrogen levels were also
measured. Additionally, NF-κB signalling was detected in the lung.
Propylene glycol alginate sodium sulphate treatment significantly
improved the survival of mice suffering from LPS. Lung histological
injury, wet/dry ratio, Evans blue albumin permeability, neutrophils
and the inflammatory cytokines and chemokines were significantly
reduced by propylene glycol alginate sodium sulphate treatment. NF-κB
signalling was significantly inhibited by propylene glycol alginate
sodium sulphate in the lung of mice subjected to LPS. Furthermore,
serum alanine aminotransferase, aspartate transaminase, creatinine and
blood urea nitrogen levels were also significantly decreased after
propylene glycol alginate sodium sulphate administration. This study
suggests that NF-κB signalling and inhibition of pro-inflammatory
cytokines, chemokines and neutrophil accumulation may be involved in
the process of acute lung injury attenuation by propylene glycol
alginate sodium sulphate.
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Affiliation(s)
- Peng Zhao
- Department of Anaesthesiology, The Second Hospital of Jilin University, PR China
| | - Guoliang Liu
- Department of Anaesthesiology, The Second Hospital of Jilin University, PR China
| | - Yunfeng Cui
- Department of Anaesthesiology, The Second Hospital of Jilin University, PR China
| | - Xufang Sun
- Department of Anaesthesiology, The Second Hospital of Jilin University, PR China
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Li W, Wu F, Chen L, Li Q, Ma J, Li M, Shi Y. Carbon Monoxide Attenuates Lipopolysaccharides (LPS)-Induced Acute Lung Injury in Neonatal Rats via Downregulation of Cx43 to Reduce Necroptosis. Med Sci Monit 2019; 25:6255-6263. [PMID: 31429423 PMCID: PMC6713028 DOI: 10.12659/msm.917751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Background Acute lung injury (ALI) is one of major causes of death in newborns, making it urgent to improve therapy. Administration of low dose carbon monoxide (CO) plays a protective role in ALI but the mechanisms are not fully understood. This study was designed to test the therapeutic effect of monoxide-releasing molecule 3 (MORM3) in lipopolysaccharide (LPS) induced neonatal ALI and the possibly associated molecular mechanisms. Material/Methods For this study, 3- to 8-day old Newborn Sprague-Dawley rats were subjected to intraperitoneal injection of 3 mg/kg LPS to induce ALI. Then animals received intraperitoneal injection of carbon monoxide-releasing molecules 3 (CORM3) (8 mg/kg) or inactive CORM3 (iCORM3) for 7 consecutive days. Lung tissues were collected for histological examination and total cell counts and protein content in bronchoalveolar lavage fluid (BALF) were measured. Expression of Cx43 and necroptosis-related markers were detected by quantitative real-time polymerase chain reaction (qRT-PCR) and western blot. Results LPS exposure induced significant lung injury indicated by histological damage, increased lung wet/dry weight ratio (W/D) and increased total cell counts and protein concentration in BALF. These changes were significantly ameliorated by administration of CORM3 but not iCORM3. LPS also increased necroptosis-related markers RIP1, RIP3, and MLKL and their elevation was blocked by CORM3. CORM3 administration ameliorated LPS induced elevation of Cx43 expression and adenoviral overexpression of Cx43 abolished lung protective effect of CORM3. CORM3 administration attenuated LPS induced activation of extracellular-signal-regulated kinase (ERK) and its protection against necroptosis was abolished by ERK inhibitor U0126. Conclusions CORM3 attenuates LPS-Induced ALI in neonatal rats and its lung protective effect might be through downregulation of Cx43 to attenuate ERK signaling and ameliorate necroptosis, suggesting CORM3 as a potential therapeutic drug for ALI in neonates.
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Affiliation(s)
- Wanwei Li
- Department of Pediatrics, Daping Hospital, Army Medical University, Chongqing, China (mainland)
| | - Fang Wu
- Department of Neonatology, Chongqing Angel Women's and Children's Hospital, Chongqing, China (mainland)
| | - Long Chen
- Department of Neonatology, Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China (mainland)
| | - Qian Li
- Department of Pediatrics, Daping Hospital, Army Medical University, Chongqing, China (mainland)
| | - Juan Ma
- Department of Pediatrics, Daping Hospital, Army Medical University, Chongqing, China (mainland)
| | - Mengchun Li
- Department of Pediatrics, Daping Hospital, Army Medical University, Chongqing, China (mainland)
| | - Yuan Shi
- Department of Pediatrics, Daping Hospital, Army Medical University, Chongqing, China (mainland).,Department of Neonatology, Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, China (mainland)
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66
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Choi ME, Price DR, Ryter SW, Choi AMK. Necroptosis: a crucial pathogenic mediator of human disease. JCI Insight 2019; 4:128834. [PMID: 31391333 DOI: 10.1172/jci.insight.128834] [Citation(s) in RCA: 258] [Impact Index Per Article: 51.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Necroptosis is a genetically regulated form of necrotic cell death that has emerged as an important pathway in human disease. The necroptosis pathway is induced by a variety of signals, including death receptor ligands, and regulated by receptor-interacting protein kinases 1 and 3 (RIPK1 and RIPK3) and mixed-lineage kinase domain-like pseudokinase (MLKL), which form a regulatory necrosome complex. RIPK3-mediated phosphorylation of MLKL executes necroptosis. Recent studies, using animal models of tissue injury, have revealed that RIPK3 and MLKL are key effectors of injury propagation. This Review explores the functional roles of RIPK3 and MLKL as crucial pathogenic determinants and markers of disease progression and severity in experimental models of human disease, including acute and chronic pulmonary diseases; renal, hepatic, cardiovascular, and neurodegenerative diseases; cancer; and critical illness.
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Affiliation(s)
- Mary E Choi
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA.,NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA
| | - David R Price
- NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA.,Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Stefan W Ryter
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Augustine M K Choi
- NewYork-Presbyterian Hospital, Weill Cornell Medical Center, New York, New York, USA.,Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, New York, USA
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67
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Wang Y, Jiao J, Zhang S, Zheng C, Wu M. RIP3 inhibition protects locomotion function through ameliorating mitochondrial antioxidative capacity after spinal cord injury. Biomed Pharmacother 2019; 116:109019. [DOI: 10.1016/j.biopha.2019.109019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 05/20/2019] [Accepted: 05/21/2019] [Indexed: 01/09/2023] Open
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Zhou Z, Su Y, Fa XE. Isorhynchophylline exerts anti-inflammatory and anti-oxidative activities in LPS-stimulated murine alveolar macrophages. Life Sci 2019; 223:137-145. [DOI: 10.1016/j.lfs.2019.03.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 02/27/2019] [Accepted: 03/07/2019] [Indexed: 01/17/2023]
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69
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Tang J, Li Y, Wang J, Wu Q, Yan H. Polydatin suppresses the development of lung inflammation and fibrosis by inhibiting activation of the NACHT domain-, leucine-rich repeat-, and pyd-containing protein 3 inflammasome and the nuclear factor-κB pathway after Mycoplasma pneumoniae infection. J Cell Biochem 2018; 120:10137-10144. [PMID: 30548648 DOI: 10.1002/jcb.28297] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 11/20/2018] [Indexed: 01/20/2023]
Abstract
Mycoplasma pneumoniae (MP) can infect both the upper and lower respiratory tracts. Polydatin (PD), a traditional Chinese medicine, is known to have anti-inflammation and antifibrosis properties. However, the protective effects of PD against MP pneumonia (MPP) remain unclear. So, the aim of this study was to describe the therapeutic effects and underlying mechanisms of PD against MPP. BALB/c mice were assigned to three groups: a normal control group, MP infection group, or PD-treated MP infection group. BEAS-2B cells transfected with or without NACHT domain-, leucine-rich repeat-, and pyd-containing protein 3 (NLRP3) were used to confirm the protective mechanisms of PD. Immunohistochemical analysis, Western blot analysis, enzyme-linked immunosorbent assay, and flow cytometry were used in this study. The results showed that PD treatment suppressed MP-induced lung injury in mice by suppressing the expression of inflammatory factors and inhibiting the development of pulmonary fibrosis. Meanwhile, PD treatment inhibited activation of the NLRP3 inflammasome and nuclear factor κB (NF-κB) pathway. Overexpression of NLRP3 reversed the protective effect of PD against MP-induced injury of BEAS-2B cells. Taken together, these results indicate that PD treatment suppressed the inflammatory response and the development of pulmonary fibrosis by inhibiting the NLRP3 inflammasome and NF-κB pathway after MP infection.
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Affiliation(s)
- Jin Tang
- Centre for Reproductive Medicine and Department of Laboratory Medicine, First Affiliated Hospital, Second Military Medical University, Shanghai, China.,Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yungai Li
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jianqiang Wang
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qiong Wu
- Department of Laboratory Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hongli Yan
- Centre for Reproductive Medicine and Department of Laboratory Medicine, First Affiliated Hospital, Second Military Medical University, Shanghai, China
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