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Zhu W, Zhang Q, Jin L, Lou S, Ye J, Cui Y, Xiong Y, Lin M, Liang G, Luo W, Zhuang Z. OTUD1 Deficiency Alleviates LPS-Induced Acute Lung Injury in Mice by Reducing Inflammatory Response. Inflammation 2024:10.1007/s10753-024-02074-7. [PMID: 39037666 DOI: 10.1007/s10753-024-02074-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/05/2024] [Accepted: 06/03/2024] [Indexed: 07/23/2024]
Abstract
The ovarian tumor (OTU) family consists of deubiquitinating enzymes thought to play a crucial role in immunity. Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) pose substantial clinical challenges due to severe respiratory complications and high mortality resulting from uncontrolled inflammation. Despite this, no study has explored the potential link between the OTU family and ALI/ARDS. Using publicly available high-throughput data, 14 OTUs were screened in a simulating bacteria- or LPS-induced ALI model. Subsequently, gene knockout mice and transcriptome sequencing were employed to explore the roles and mechanisms of the selected OTUs in ALI. Our screen identified OTUD1 in the OTU family as a deubiquitinase highly related to ALI. In the LPS-induced ALI model, deficiency of OTUD1 significantly ameliorated pulmonary edema, reduced permeability damage, and decreased lung immunocyte infiltration. Furthermore, RNA-seq analysis revealed that OTUD1 deficiency inhibited key pathways, including the IFN-γ/STAT1 and TNF-α/NF-κB axes, ultimately mitigating the severity of immune responses in ALI. In summary, our study highlights OTUD1 as a critical immunomodulatory factor in acute inflammation. These findings suggest that targeting OTUD1 could hold promise for the development of novel treatments against ALI/ARDS.
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Affiliation(s)
- Weiwei Zhu
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
- Department of Cardiology and Medical Research Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Qianhui Zhang
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Leiming Jin
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Shuaijie Lou
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Jiaxi Ye
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Yaqian Cui
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Yongqiang Xiong
- Department of Cardiology and Medical Research Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Mengsha Lin
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China
| | - Guang Liang
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China.
- Department of Cardiology and Medical Research Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, 311399, China.
| | - Wu Luo
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China.
- Department of Cardiology and Medical Research Center, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China.
| | - Zaishou Zhuang
- Affiliated Cangnan Hospital and Chemical Biology Research Center, Wenzhou Medical University, Wenzhou, 325000, China.
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Qin Y, Li W, Liu J, Wang F, Zhou W, Xiao L, Zhou P, Wu F, Chen X, Xu S, Liu L, Xiao X, Zhang D. Andrographolide ameliorates sepsis-induced acute lung injury by promoting autophagy in alveolar macrophages via the RAGE/PI3K/AKT/mTOR pathway. Int Immunopharmacol 2024; 139:112719. [PMID: 39032470 DOI: 10.1016/j.intimp.2024.112719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 07/06/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
Autophagy in alveolar macrophages (AMs) is an important mechanism for maintaining immune homeostasis and normal lung tissue function, and insufficient autophagy in AMs may mediate the development of sepsis-induced acute lung injury (SALI). Insufficient autophagy in AMs and the activation of the NLRP3 inflammasome were observed in a mouse model with SALI induced by cecal ligation and puncture (CLP), resulting in the release of a substantial quantity of proinflammatory factors and the formation of SALI. However, after andrographolide (AG) intervention, autophagy in AMs was significantly promoted, the activation of the NLRP3 inflammasome was inhibited, the release of proinflammatory factors and pyroptosis were suppressed, and SALI was then ameliorated. In the MH-S cell model stimulated with LPS, insufficient autophagy was discovered to promote the overactivation of the NLRP3 inflammasome. AG was found to significantly promote autophagy, inhibit the activation of the NLRP3 inflammasome, and attenuate the release of proinflammatory factors. The primary mechanism of AG promoting autophagy was to inhibit the activation of the PI3K/AKT/mTOR pathway by binding RAGE to the membrane. In addition, it inhibited the activation of the NLRP3 inflammasome to ameliorate SALI. Our findings suggest that AG promotes autophagy in AMs through the RAGE/PI3K/AKT/mTOR pathway to inhibit the activation of the NLRP3 inflammasome, remodel the functional homeostasis of AMs in SALI, and exert anti-inflammatory and lung-protective effects. It has also been the first to suggest that RAGE is likely a direct target through which AG regulates autophagy, providing theoretical support for a novel therapeutic strategy in sepsis.
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Affiliation(s)
- Yuping Qin
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Wenjuan Li
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Jinglun Liu
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Fenglin Wang
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Wushuang Zhou
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Linlin Xiao
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Pengfei Zhou
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Fan Wu
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Xiaoying Chen
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Shan Xu
- Department of Emergency, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Lei Liu
- Key Laboratory of Molecular Oncology and Epigenetics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Xiaoqiu Xiao
- The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, PR China
| | - Dan Zhang
- Department of Emergency and Critical Care Medicine, The First Afliated Hospital of Chongqing Medical University, Chongqing 400016, PR China.
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Liu Q, Zhu X, Guo S. From pancreas to lungs: The role of immune cells in severe acute pancreatitis and acute lung injury. Immun Inflamm Dis 2024; 12:e1351. [PMID: 39023414 PMCID: PMC11256889 DOI: 10.1002/iid3.1351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 06/25/2024] [Accepted: 07/08/2024] [Indexed: 07/20/2024] Open
Abstract
BACKGROUND Severe acute pancreatitis (SAP) is a potentially lethal inflammatory pancreatitis condition that is usually linked to multiple organ failure. When it comes to SAP, the lung is the main organ that is frequently involved. Many SAP patients experience respiratory failure following an acute lung injury (ALI). Clinicians provide insufficient care for compounded ALI since the underlying pathophysiology is unknown. The mortality rate of SAP patients is severely impacted by it. OBJECTIVE The study aims to provide insight into immune cells, specifically their roles and modifications during SAP and ALI, through a comprehensive literature review. The emphasis is on immune cells as a therapeutic approach for treating SAP and ALI. FINDINGS Immune cells play an important role in the complicated pathophysiology ofSAP and ALI by maintaining the right balance of pro- and anti-inflammatory responses. Immunomodulatory drugs now in the market have low thepeutic efficacy because they selectively target one immune cell while ignoring immune cell interactions. Accurate management of dysregulated immune responses is necessary. A critical initial step is precisely characterizing the activity of the immune cells during SAP and ALI. CONCLUSION Given the increasing incidence of SAP, immunotherapy is emerging as a potential treatment option for these patients. Interactions among immune cells improve our understanding of the intricacy of concurrent ALI in SAP patients. Acquiring expertise in these domains will stimulate the development of innovative immunomodulation therapies that will improve the outlook for patients with SAP and ALI.
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Affiliation(s)
- Qi Liu
- Emergency Medicine Clinical Research Center, Beijing Chao‐Yang HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Cardiopulmonary Cerebral ResuscitationBeijingChina
| | - Xiaomei Zhu
- Emergency Medicine Clinical Research Center, Beijing Chao‐Yang HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Cardiopulmonary Cerebral ResuscitationBeijingChina
| | - Shubin Guo
- Emergency Medicine Clinical Research Center, Beijing Chao‐Yang HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Cardiopulmonary Cerebral ResuscitationBeijingChina
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4
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Zhang L, Wang Z, Sun X, Rong W, Deng W, Yu J, Xu X, Yu Q. Nasal mucosa-derived mesenchymal stem cells prolonged the survival of septic rats by protecting macrophages from pyroptosis. Cell Immunol 2024; 401-402:104840. [PMID: 38880071 DOI: 10.1016/j.cellimm.2024.104840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/18/2024] [Accepted: 06/03/2024] [Indexed: 06/18/2024]
Abstract
Sepsis is characterized by an exacerbated inflammatory response, driven by the overproduction of cytokines, a phenomenon known as a cytokine storm. This condition is further compounded by the extensive infiltration of M1 macrophages and the pyroptosis of these cells, leading to immune paralysis. To counteract this, we sought to transition M1 macrophages into the M2 phenotype and safeguard them from pyroptosis. For this purpose, we employed ectodermal mesenchymal stem cells (EMSCs) sourced from the nasal mucosa to examine their impact on both macrophages and septic animal models. The co-culture protocol involving LPS-stimulated rat bone marrow macrophages and EMSCs was employed to examine the paracrine influence of EMSCs on macrophages. The intravenous administration of EMSCs was utilized to observe the enhancement in the survival rate of septic rat models and the protection of associated organs. The findings indicated that EMSCs facilitated M2 polarization of macrophages, which were stimulated by LPS, and significantly diminished levels of pro-inflammatory cytokines and NLRP3. Furthermore, EMSCs notably restored the mitochondrial membrane potential (MMP) of macrophages through paracrine action, eliminated excess reactive oxygen species (ROS), and inhibited macrophage pyroptosis. Additionally, the systemic integration of EMSCs substantially reduced injuries to multiple organs and preserved the fundamental functions of the heart, liver, and kidney in CLP rats, thereby extending their survival.
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Affiliation(s)
| | - Zhe Wang
- School of Pharmacy, Jiangsu University, China
| | - Xuan Sun
- School of Pharmacy, Jiangsu University, China
| | | | - Wenwen Deng
- School of Pharmacy, Jiangsu University, China
| | - Jiangnan Yu
- School of Pharmacy, Jiangsu University, China
| | - Ximing Xu
- School of Pharmacy, Jiangsu University, China
| | - Qingtong Yu
- School of Pharmacy, Jiangsu University, China.
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Woo MS, Cao DL, Kim EJ, Jeong YY, Kang D. Broncho-Vaxom Attenuates Lipopolysaccharide-Induced Inflammation in a Mouse Model of Acute Lung Injury. Int J Mol Sci 2024; 25:7135. [PMID: 39000242 PMCID: PMC11241551 DOI: 10.3390/ijms25137135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Revised: 06/22/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
Acute lung injury (ALI) is a condition associated with acute respiratory failure, resulting in significant morbidity and mortality. It involves cellular changes such as disruption of the alveolar-capillary membrane, excessive neutrophil migration, and release of inflammatory mediators. Broncho-Vaxom® (BV), a lyophilized product containing cell membrane components derived from eight bacteria commonly found in the respiratory tract, is known for its potential to reduce viral and bacterial lung infections. However, the specific effect of BV on ALI has not been clearly defined. This study explored the preventive effects of BV and its underlying mechanisms in a lipopolysaccharide (LPS)-induced ALI mouse model. Oral BV (1 mg/kg) gavage was administered one hour before the intratracheal injection of LPS to evaluate its preventive effect on the ALI model. The pre-administration of BV significantly mitigates inflammatory parameters, including the production of inflammatory mediators, macrophage infiltration, and NF-κB activation in lung tissue, and the increase in inflammatory cells in bronchoalveolar lavage fluid (BALF). Moreover, BV (3 μg/mL) pretreatment reduced the expression of M1 macrophage markers, interleukins (IL-1β, IL-6), tumor necrosis factor α, and cyclooxygenase-2, which are activated by LPS, in both mouse alveolar macrophage MH-S cells and human macrophage THP-1 cells. These findings showed that BV exhibits anti-inflammatory effects by suppressing inflammatory mediators through the NF-κB pathway, suggesting its potential to attenuate bronchial and pulmonary inflammation.
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Affiliation(s)
- Min-Seok Woo
- Department of Physiology, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Dang Long Cao
- Department of Physiology, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Eun-Jin Kim
- Department of Physiology, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Yi Yeong Jeong
- Department of Allergy and Respiratory Medicine, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
- Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
| | - Dawon Kang
- Department of Physiology, College of Medicine, Gyeongsang National University, Jinju 52727, Republic of Korea
- Institute of Medical Sciences, Gyeongsang National University, Jinju 52727, Republic of Korea
- Department of Convergence Medical Science, Gyeongsang National University, Jinju 52727, Republic of Korea
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6
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Zheng Y, Hu R, Hu J, Feng L, Li S. Protective effects of butorphanol in oleic acid-endotoxin "two-hit" induced rat lung injury by suppression of inflammation and apoptosis. Sci Rep 2024; 14:14231. [PMID: 38902260 PMCID: PMC11190203 DOI: 10.1038/s41598-024-53483-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 01/31/2024] [Indexed: 06/22/2024] Open
Abstract
Butorphanol is widely used as an anesthetic drug, whether butorphanol could reduce organ injury and protecting lung tissue is unknown. This study explored the effects of butorphanol on ALI and investigated its underlying mechanisms. We established a "two-hit" rat model and "two-hit" cell model to prove our hypothesis. Rats were divided into four groups [control, "two-hit" (OA + LPS), "two-hit" + butorphanol (4 mg/kg and 8 mg/kg) (OA + LPS + B1 and OA + LPS + B2)]. RPMVE cells were divided into four groups [control, "two-hit" (OA + LPS), "two-hit" + butorphanol (4 μM and 8 μM) (OA + LPS + 4 μM and OA + LPS + 8 μM)]. Inflammatory injury was assessed by the histopathology and W/D ratio, inflammatory cytokines, and arterial blood gas analysis. Apoptosis was assessed by Western blotting and flow cytometry. The effect of NF-κB p65 was detected by ELISA. Butorphanol could relieve the "two-hit" induced lung injury, the expression of TNF, IL-1β, IL-6, and improve lung ventilation. In addition, butorphanol decreased Bax and cleaved caspase-3, increased an antiapoptotic protein (Bcl-2), and inhibited the "two-hit" cell apoptosis ratio. Moreover, butorphanol suppressed NF-κB p65 activity in rat lung injury. Our research showed that butorphanol may attenuate "two-hit"-induced lung injury by regulating the activity of NF-κB p65, which may supply more evidence for ALI treatment.
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Affiliation(s)
- Yanlei Zheng
- Department of Intensive Care Medicine, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430079, China
| | - Ronghua Hu
- Department of Intensive Care Medicine, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430079, China
| | - Jinrong Hu
- Department of Intensive Care Medicine, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430079, China
| | - Lina Feng
- Department of Intensive Care Medicine, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430079, China
| | - Shi Li
- Department of Intensive Care Medicine, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430079, China.
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7
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Ge J, Yang H, Yu N, Lin S, Zeng Y. Wogonin alleviates sepsis-induced acute lung injury by modulating macrophage polarization through the SIRT1-FOXO1 pathways. Tissue Cell 2024; 88:102400. [PMID: 38759522 DOI: 10.1016/j.tice.2024.102400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 04/06/2024] [Accepted: 04/30/2024] [Indexed: 05/19/2024]
Abstract
Sepsis-induced acute lung injury is a common and severe complication of sepsis, for which effective treatments are currently lacking. Previous studies have demonstrated the influence of wogonin in treating acute lung injury (ALI). However, its precise mechanism of action remains unclear. To delve deeper into the mechanisms underlying wogonin's impacts in sepsis-induced acute lung injury, we established a mouse sepsis model through cecal ligation and puncture and conducted further cell experiments using lipopolysaccharide-treated MH-S and MLE-12 cells to explore wogonin's potential mechanisms of action in treating ALI. Our results revealed that wogonin significantly increased the survival rate of mice, alleviated pulmonary pathological damage and inflammatory cell infiltration, and activated the SIRT1-FOXO1 pathway. Additionally, wogonin suppressed the release of pro-inflammatory factors by M1 macrophages and induced the activation of M2 anti-inflammatory factors. Further in vitro studies confirmed that wogonin effectively inhibited M1 macrophage polarization through the activation of the SIRT1-FOXO1 pathway, thereby mitigating lung pathological changes caused by ALI. In summary, our study demonstrated that wogonin regulated macrophage M1/M2 polarization through the activation of the SIRT1-FOXO1 pathway, thereby attenuating the inflammatory response and improving pulmonary pathological changes induced by sepsis-induced ALI. This discovery provided a solid mechanistic foundation for the therapeutic use of wogonin in sepsis-induced ALI, shedding new light on potential strategies for the treatment of sepsis-induced ALI.
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Affiliation(s)
- Jinlin Ge
- Department of Respiratory and Critical Care Medicine, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325000, China
| | - Huanhuan Yang
- Department of Respiratory and Critical Care Medicine, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325000, China
| | - Ningning Yu
- Department of Respiratory and Critical Care Medicine, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325000, China
| | - Shengle Lin
- Department of Respiratory and Critical Care Medicine, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325000, China
| | - Yufeng Zeng
- Department of Respiratory and Critical Care Medicine, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, Zhejiang 325000, China.
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8
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Dong J, Liu W, Liu W, Wen Y, Liu Q, Wang H, Xiang G, Liu Y, Hao H. Acute lung injury: a view from the perspective of necroptosis. Inflamm Res 2024; 73:997-1018. [PMID: 38615296 DOI: 10.1007/s00011-024-01879-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/23/2024] [Accepted: 03/31/2024] [Indexed: 04/15/2024] Open
Abstract
BACKGROUND ALI/ARDS is a syndrome of acute onset characterized by progressive hypoxemia and noncardiogenic pulmonary edema as the primary clinical manifestations. Necroptosis is a form of programmed cell necrosis that is precisely regulated by molecular signals. This process is characterized by organelle swelling and membrane rupture, is highly immunogenic, involves extensive crosstalk with various cellular stress mechanisms, and is significantly implicated in the onset and progression of ALI/ARDS. METHODS The current body of literature on necroptosis and ALI/ARDS was thoroughly reviewed. Initially, an overview of the molecular mechanism of necroptosis was provided, followed by an examination of its interactions with apoptosis, pyroptosis, autophagy, ferroptosis, PANOptosis, and NETosis. Subsequently, the involvement of necroptosis in various stages of ALI/ARDS progression was delineated. Lastly, drugs targeting necroptosis, biomarkers, and current obstacles were presented. CONCLUSION Necroptosis plays an important role in the progression of ALI/ARDS. However, since ALI/ARDS is a clinical syndrome caused by a variety of mechanisms, we emphasize that while focusing on necroptosis, it may be more beneficial to treat ALI/ARDS by collaborating with other mechanisms.
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Affiliation(s)
- Jinyan Dong
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Weihong Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Wenli Liu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Yuqi Wen
- Second Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Qingkuo Liu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Hongtao Wang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Guohan Xiang
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China
| | - Yang Liu
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China.
| | - Hao Hao
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250000, Shandong, China.
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9
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Ziaka M, Exadaktylos A. Exploring the lung-gut direction of the gut-lung axis in patients with ARDS. Crit Care 2024; 28:179. [PMID: 38802959 PMCID: PMC11131229 DOI: 10.1186/s13054-024-04966-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024] Open
Abstract
Acute respiratory distress syndrome (ARDS) represents a life-threatening inflammatory reaction marked by refractory hypoxaemia and pulmonary oedema. Despite advancements in treatment perspectives, ARDS still carries a high mortality rate, often due to systemic inflammatory responses leading to multiple organ dysfunction syndrome (MODS). Indeed, the deterioration and associated mortality in patients with acute lung injury (LI)/ARDS is believed to originate alongside respiratory failure mainly from the involvement of extrapulmonary organs, a consequence of the complex interaction between initial inflammatory cascades related to the primary event and ongoing mechanical ventilation-induced injury resulting in multiple organ failure (MOF) and potentially death. Even though recent research has increasingly highlighted the role of the gastrointestinal tract in this process, the pathophysiology of gut dysfunction in patients with ARDS remains mainly underexplored. This review aims to elucidate the complex interplay between lung and gut in patients with LI/ARDS. We will examine various factors, including systemic inflammation, epithelial barrier dysfunction, the effects of mechanical ventilation (MV), hypercapnia, and gut dysbiosis. Understanding these factors and their interaction may provide valuable insights into the pathophysiology of ARDS and potential therapeutic strategies to improve patient outcomes.
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Affiliation(s)
- Mairi Ziaka
- Clinic of Geriatric Medicine, Center of Geriatric Medicine and Rehabilitation, Kantonsspital Baselland, Bruderholz, Switzerland.
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, Bern, Switzerland.
| | - Aristomenis Exadaktylos
- Department of Emergency Medicine, Inselspital, University Hospital, University of Bern, Bern, Switzerland
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10
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Jiang L, Ye C, Huang Y, Hu Z, Wei G. Targeting the TRAF3-ULK1-NLRP3 regulatory axis to control alveolar macrophage pyroptosis in acute lung injury. Acta Biochim Biophys Sin (Shanghai) 2024; 56:789-804. [PMID: 38686458 PMCID: PMC11187487 DOI: 10.3724/abbs.2024035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/04/2024] [Indexed: 05/02/2024] Open
Abstract
Acute lung injury (ALI) is a serious condition characterized by damage to the lungs. Recent research has revealed that activation of the NLRP3 inflammasome in alveolar macrophages, a type of immune cell in the lungs, plays a key role in the development of ALI. This process, known as pyroptosis, contributes significantly to ALI pathogenesis. Researchers have conducted comprehensive bioinformatics analyses and identified 15 key genes associated with alveolar macrophage pyroptosis in ALI. Among these, NLRP3 has emerged as a crucial regulator. This study further reveal that the ULK1 protein diminishes the expression of NLRP3, thereby reducing the immune response of alveolar macrophages and mitigating ALI. Conversely, TRAF3, another protein, is found to inhibit ULK1 through a process called ubiquitination, leading to increased activation of the NLRP3 inflammasome and exacerbation of ALI. This TRAF3-mediated suppression of ULK1 and subsequent activation of NLRP3 are confirmed through various in vitro and in vivo experiments. The presence of abundant M0 and M1 alveolar macrophages in the ALI tissue samples further support these findings. This research highlights the TRAF3-ULK1-NLRP3 regulatory axis as a pivotal pathway in ALI development and suggests that targeting this axis could be an effective therapeutic strategy for ALI treatment.
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Affiliation(s)
- Lei Jiang
- />Department of Thoracic Surgerythe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang330000China
| | - Chunlin Ye
- />Department of Thoracic Surgerythe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang330000China
| | - Yunhe Huang
- />Department of Thoracic Surgerythe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang330000China
| | - Zhi Hu
- />Department of Thoracic Surgerythe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang330000China
| | - Guangxia Wei
- />Department of Thoracic Surgerythe First Affiliated HospitalJiangxi Medical CollegeNanchang UniversityNanchang330000China
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11
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Fang J, Shi C, Huang Q, Huang L, Wang X, Yan B. Development of the ARDS-derived gene panel for lung adenocarcinoma prognosis stratification and experiment validation of CCL20 expression. ENVIRONMENTAL TOXICOLOGY 2024; 39:3211-3224. [PMID: 38356310 DOI: 10.1002/tox.24161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/13/2024] [Accepted: 01/20/2024] [Indexed: 02/16/2024]
Abstract
Acute respiratory distress syndrome (ARDS) is a life-threatening condition characterized by lung inflammation and high mortality rates. Lung cancer, specifically lung adenocarcinoma (LUAD), is a major cause of cancer-related deaths worldwide. Patients with LUAD, particularly those undergoing chemotherapy, are more likely to develop ARDS. ARDS inflicts major malfunctioning in the immune system. We suspected a certain shared pathogenic mechanism between these diseases. This study analyzed 503 LUAD patients from the TCGA-LUAD cohort as the training set, 85 LUAD cases from the GSE30219 cohort as the validation set, and 24 RNA-seq samples from ARDS mice model and control groups in the GSE2411 cohort. The differentially expressed genes (DEGs) of ARDS were analyzed using the limma package and screened by Cox and Lasso analysis. ssGSEA and xCell algorithms were utilized for immune landscaping. RT-qPCR analysis was used to determine the mRNA levels of key genes in both the LPS-induced ARDS model and human LUAD cell lines. We identified DEGs between ARDS and control groups, which were highly associated with cytokine production and leukocyte migration. A prognosis model for LUAD patients was developed based on the expressions of the key genes in the ARDS-derived DEGs, including FMO3, IL1R2, CCL20, CFTR, and GADD45G. A satisfactory efficacy was observed in both the training and validation cohorts. The model demonstrated increased effectiveness in predicting the intratumor immune profile and mutation status of LUAD. Moreover, we utilized LPS to induce the ARDS model, which resulted in elevated expressions of IL1R2 and CCL20. Additionally, CCL20 was upregulated in cancerous LUAD cell lines. We developed an ARDS-based model for stratifying LUAD prognosis. CCL20 was found to be elevated in both the ARDS model and LUAD, suggesting a shared underlying mechanism of these two diseases.
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Affiliation(s)
- Jingjing Fang
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Chaolu Shi
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Qin Huang
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Lei Huang
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Xinnian Wang
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
| | - Biqing Yan
- Department of Intensive Care Unit, The First Affiliated Hospital of Ningbo University, Ningbo, China
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Gao F, Xiong D, Sun Z, Shao J, Wei D, Nie S. ARC@DPBNPs suppress LPS-induced acute lung injury via inhibiting macrophage pyroptosis and M1 polarization by ERK pathway in mice. Int Immunopharmacol 2024; 131:111794. [PMID: 38457983 DOI: 10.1016/j.intimp.2024.111794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/21/2024] [Accepted: 02/29/2024] [Indexed: 03/10/2024]
Abstract
AIM OF THE STUDY Exploring the protective effect of ARC@DPBNP on lipopolysaccharides (LPS)-induced ALI and its underlying mechanism. MATERIALS AND METHODS ALI model was established by intransally administrating LPS (4 mg/kg) into C57BL/6 mice. The suppression effects of ALI was first compared between ARC (intragastric administrated, with doses ranging from 10 to 80 mg/kg) and ARC@BPBNPs (intratracheally administrated, with doses ranging from 1 to 4 mg/kg). Changes in lung histology post intratracheal intervention of 3 mg/kg ARC@DPBNPs were detected. The expression of pyrotosis pathway-related proteins in lungs as well as in RAW264.7 cells was detected by western blotting. The ASC expression in lung macrophages was examined using immune-fluorescent staining. The polarization of RAW264.7 cells and lung macrophages were detected by flow cytometry. The network pharmacology was constructed by Cytoscape, and the molecular docking was perfomed by AutoDock Vina. RESULTS Docking predicted the high affinity of ARC to MAPK1 (ERK2). HE staining showed that ARC@DPBNPs attenuated LPS-induced ALI at a remarkably lower dose than ARC. The improved histopathological changes, lung W/D weight ratio, and decreased of inflammatory factor levels in lung collectively demonstrated the alleviation effects of ARC@DPBNPs. Compared with the LPS group, ARC@DPBNPs down-regulated the ERK pathway, resulted in a suppression of the macrophage pyroptosis and M1 polarization. This suppression effects could be removed by the ERK activator Ro 67-7476. CONCLUSION ARC@DPBNPs attenuated ALI by suppressing LPS-induced macrophage pyroptosis and polarization, probably through down-regulation of the ERK pathway.
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Affiliation(s)
- Fei Gao
- Department of Emergency, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi 214023, China; Department of Emergency Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, China
| | - Dian Xiong
- Lung Transplantation Center, Department of Thoracic Surgery, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi 214023, China; Department of Cardiothoracic Surgery, The Second Affiliated Hospital Nanchang University, Nanchang, Jiangxi, China
| | - Zhaorui Sun
- Department of Emergency Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, China
| | - Jingbo Shao
- Lung Transplantation Center, Department of Thoracic Surgery, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi 214023, China
| | - Dong Wei
- Lung Transplantation Center, Department of Thoracic Surgery, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi 214023, China.
| | - Shinan Nie
- Department of Emergency Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210002, China.
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13
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Liu X, Chen L, Peng W, Deng H, Ni H, Tong H, Hu H, Wang S, Qian J, Liang A, Chen K. Th17/Treg balance: the bloom and wane in the pathophysiology of sepsis. Front Immunol 2024; 15:1356869. [PMID: 38558800 PMCID: PMC10978743 DOI: 10.3389/fimmu.2024.1356869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 02/20/2024] [Indexed: 04/04/2024] Open
Abstract
Sepsis is a multi-organ dysfunction characterized by an unregulated host response to infection. It is associated with high morbidity, rapid disease progression, and high mortality. Current therapies mainly focus on symptomatic treatment, such as blood volume supplementation and antibiotic use, but their effectiveness is limited. Th17/Treg balance, based on its inflammatory property, plays a crucial role in determining the direction of the inflammatory response and the regression of organ damage in sepsis patients. This review provides a summary of the changes in T-helper (Th) 17 cell and regulatory T (Treg) cell differentiation and function during sepsis, the heterogeneity of Th17/Treg balance in the inflammatory response, and the relationship between Th17/Treg balance and organ damage. Th17/Treg balance exerts significant control over the bloom and wanes in host inflammatory response throughout sepsis.
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Affiliation(s)
- Xinyong Liu
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Longwang Chen
- Emergency Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wei Peng
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Hongsheng Deng
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Hongying Ni
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Hongjie Tong
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Hangbo Hu
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Shengchao Wang
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Jin Qian
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Andong Liang
- Nursing Faculty, School of Medicine, Jinhua Polytechnic, Jinhua, China
| | - Kun Chen
- Department of Critical Care Medicine, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
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Zhu J, Zhou J, Feng B, Pan Q, Yang J, Lang G, Shang D, Zhou J, Li L, Yu J, Cao H. MSCs alleviate LPS-induced acute lung injury by inhibiting the proinflammatory function of macrophages in mouse lung organoid-macrophage model. Cell Mol Life Sci 2024; 81:124. [PMID: 38466420 DOI: 10.1007/s00018-024-05150-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 01/10/2024] [Accepted: 01/31/2024] [Indexed: 03/13/2024]
Abstract
Acute lung injury (ALI) is an inflammatory disease associated with alveolar injury, subsequent macrophage activation, inflammatory cell infiltration, and cytokine production. Mesenchymal stem cells (MSCs) are beneficial for application in the treatment of inflammatory diseases due to their immunomodulatory effects. However, the mechanisms of regulatory effects by MSCs on macrophages in ALI need more in-depth study. Lung tissues were collected from mice for mouse lung organoid construction. Alveolar macrophages (AMs) derived from bronchoalveolar lavage and interstitial macrophages (IMs) derived from lung tissue were co-cultured, with novel matrigel-spreading lung organoids to construct an in vitro model of lung organoids-immune cells. Mouse compact bone-derived MSCs were co-cultured with organoids-macrophages to confirm their therapeutic effect on acute lung injury. Changes in transcriptome expression profile were analyzed by RNA sequencing. Well-established lung organoids expressed various lung cell type-specific markers. Lung organoids grown on spreading matrigel had the property of functional cells growing outside the lumen. Lipopolysaccharide (LPS)-induced injury promoted macrophage chemotaxis toward lung organoids and enhanced the expression of inflammation-associated genes in inflammation-injured lung organoids-macrophages compared with controls. Treatment with MSCs inhibited the injury progress and reduced the levels of inflammatory components. Furthermore, through the nuclear factor-κB pathway, MSC treatment inhibited inflammatory and phenotypic transformation of AMs and modulated the antigen-presenting function of IMs, thereby affecting the inflammatory phenotype of lung organoids. Lung organoids grown by spreading matrigel facilitate the reception of external stimuli and the construction of in vitro models containing immune cells, which is a potential novel model for disease research. MSCs exert protective effects against lung injury by regulating different functions of AMs and IMs in the lung, indicating a potential mechanism for therapeutic intervention.
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Affiliation(s)
- Jiaqi Zhu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
- Laboratory Medicine Center, Department of Clinical Laboratory, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, 310014, China
| | - Jiahang Zhou
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Bing Feng
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Qiaoling Pan
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Jinfeng Yang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Guanjing Lang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Dandan Shang
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250117, Shandong, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Jianya Zhou
- Department of Respiratory Disease, Thoracic Disease Center, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Rd, Hangzhou, 310003, China
| | - Lanjuan Li
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250117, Shandong, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Rd, Hangzhou, 310003, China
- National Medical Center for Infectious Diseases, 79 Qingchun Rd, Hangzhou City, 310003, China
| | - Jiong Yu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China.
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Rd, Hangzhou, 310003, China.
- National Medical Center for Infectious Diseases, 79 Qingchun Rd, Hangzhou City, 310003, China.
| | - Hongcui Cao
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd, Hangzhou, 310003, China.
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, 79 Qingchun Rd, Hangzhou, 310003, China.
- National Medical Center for Infectious Diseases, 79 Qingchun Rd, Hangzhou City, 310003, China.
- Zhejiang Key Laboratory of Diagnosis and Treatment of Physic-Chemical Injury Diseases, 79 Qingchun Rd, Hangzhou, 310003, China.
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15
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Huang W, Wang L, Huang Z, Sun Z, Zheng B. Peroxiredoxin 3 has a crucial role in the macrophage polarization by regulating mitochondrial homeostasis. Respir Res 2024; 25:110. [PMID: 38431661 PMCID: PMC10909251 DOI: 10.1186/s12931-024-02739-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 02/19/2024] [Indexed: 03/05/2024] Open
Abstract
Acute lung injury (ALI) is one of the life-threatening complications of sepsis, and macrophage polarization plays a crucial role in the sepsis-associated ALI. However, the regulatory mechanisms of macrophage polarization in ALI and in the development of inflammation are largely unknown. In this study, we demonstrated that macrophage polarization occurs in sepsis-associated ALI and is accompanied by mitochondrial dysfunction and inflammation, and a decrease of PRDX3 promotes the initiation of macrophage polarization and mitochondrial dysfunction. Mechanistically, PRDX3 overexpression promotes M1 macrophages to differentiate into M2 macrophages, and enhances mitochondrial functional recovery after injury by reducing the level of glycolysis and increasing TCA cycle activity. In conclusion, we identified PRDX3 as a critical hub integrating oxidative stress, inflammation, and metabolic reprogramming in macrophage polarization. The findings illustrate an adaptive mechanism underlying the link between macrophage polarization and sepsis-associated ALI.
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Affiliation(s)
- Wenhui Huang
- Department of Respiratory and Critical Care Medicine, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lianfang Wang
- Department of Respiratory and Critical Care Medicine, Guangxi Hospital Division of The First Affiliated Hospital, Sun Yat-sen University, Guangxi, China
| | - Zhipeng Huang
- Dongguan Hospital of Integrated Chinese and Western Medicine, Dongguan, China
| | - Zhichao Sun
- The Second Affiliated Hospital of Guangzhou, University of Chinese Medicine, Guangzhou, China
| | - Bojun Zheng
- Department of Critical Care Medicine, The Second Affiliated Hospital of Guangzhou, University of Chinese Medicine, Guangzhou, China.
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16
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Liu YG, Jin SW, Zhang SS, Xia TJ, Liao YH, Pan RL, Yan MZ, Chang Q. Interferon lambda in respiratory viral infection: immunomodulatory functions and antiviral effects in epithelium. Front Immunol 2024; 15:1338096. [PMID: 38495892 PMCID: PMC10940417 DOI: 10.3389/fimmu.2024.1338096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/19/2024] [Indexed: 03/19/2024] Open
Abstract
Type III interferon (IFN-λ), a new member of the IFN family, was initially considered to possess antiviral functions similar to those of type I interferon, both of which are induced via the JAK/STAT pathway. Nevertheless, recent findings demonstrated that IFN-λ exerts a nonredundant antiviral function at the mucosal surface, preferentially produced in epithelial cells in contrast to type I interferon, and its function cannot be replaced by type I interferon. This review summarizes recent studies showing that IFN-λ inhibits the spread of viruses from the cell surface to the body. Further studies have found that the role of IFN-λ is not only limited to the abovementioned functions, but it can also can exert direct and/or indirect effects on immune cells in virus-induced inflammation. This review focuses on the antiviral activity of IFN-λ in the mucosal epithelial cells and its action on immune cells and summarizes the pathways by which IFN-λ exerts its action and differentiates it from other interferons in terms of mechanism. Finally, we conclude that IFN-λ is a potent epidermal antiviral factor that enhances the respiratory mucosal immune response and has excellent therapeutic potential in combating respiratory viral infections.
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Affiliation(s)
| | | | | | | | | | | | - Ming-Zhu Yan
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qi Chang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Hu X, Zou M, Zheng W, Zhu M, Hou Q, Gao H, Zhang X, Liu Y, Cheng Z. Bhlhe40 deficiency attenuates LPS-induced acute lung injury through preventing macrophage pyroptosis. Respir Res 2024; 25:100. [PMID: 38402153 PMCID: PMC10894472 DOI: 10.1186/s12931-024-02740-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 02/19/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Acute lung injury (ALI) and its more severe form, acute respiratory distress syndrome (ARDS) as common life-threatening lung diseases with high mortality rates are mostly associated with acute and severe inflammation in lungs. Recently, increasing evidence supports activated inflammation and gasdermin D (GSDMD)-mediated pyroptosis in macrophage are closely associated with ALI. Basic helix-loop-helix family member e40 (Bhlhe40) is a transcription factor that is comprehensively involved in inflammation. However, there is little experimental evidence connecting Bhlhe40 and GSDMD-driven pyroptosis. The study sought to verify the hypothesis that Bhlhe40 is required for GSDMD-mediated pyroptosis in lipopolysaccharide (LPS)-induced inflammatory injury. METHOD We performed studies using Bhlhe40-knockout (Bhlhe40 -/-) mice, small interfering RNA (siRNA) targeting Bhlhe40 and pyroptosis inhibitor disulfiram to investigate the potential roles of Bhlhe40 on LPS-induced ALI and the underlying mechanisms. RESULTS Bhlhe40 was highly expressed in total lung tissues and macrophages of LPS-induced mice. Bhlhe40-/- mice showed alleviative lung pathological injury and inflammatory response upon LPS stimulation. Meanwhile, we found that Bhlhe40 deficiency significantly suppressed GSDMD-mediated pyroptosis in macrophage in vivo and in vitro. By further mechanistic analysis, we demonstrated that Bhlhe40 deficiency inhibited GSDMD-mediated pyroptosis and subsequent ALI by repressing canonical (caspase-1-mediated) and non-canonical (caspase-11-mediated) signaling pathways in vivo and in vitro. CONCLUSION These results indicate Bhlhe40 is required for LPS-induced ALI. Bhlhe40 deficiency can inhibit GSDMD-mediated pyroptosis and therefore alleviate ALI. Targeting Bhlhe40 may be a potential therapeutic strategy for LPS-induced ALI.
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Affiliation(s)
- Xingxing Hu
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Menglin Zou
- Fourth Ward of Medical Care Center, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Weishuai Zheng
- Department of Respiratory and Critical Care Medicine, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Minghui Zhu
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Qinhui Hou
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Han Gao
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xin Zhang
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Yuan Liu
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Zhenshun Cheng
- Department of Respiratory and Critical Care Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China.
- Wuhan Research Center for Infectious Diseases and Cancer, Chinese Academy of Medical Sciences, Wuhan, Hubei, China.
- Hubei Engineering Center for Infectious Disease Prevention, Control and Treatment, Wuhan, China.
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Tang N, Yang Y, Xie Y, Yang G, Wang Q, Li C, Liu Z, Huang JA. CD274 (PD-L1) negatively regulates M1 macrophage polarization in ALI/ARDS. Front Immunol 2024; 15:1344805. [PMID: 38440722 PMCID: PMC10909908 DOI: 10.3389/fimmu.2024.1344805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/05/2024] [Indexed: 03/06/2024] Open
Abstract
Background Acute lung injury (ALI)/severe acute respiratory distress syndrome (ARDS) is a serious clinical syndrome characterized by a high mortality rate. The pathophysiological mechanisms underlying ALI/ARDS remain incompletely understood. Considering the crucial role of immune infiltration and macrophage polarization in the pathogenesis of ALI/ARDS, this study aims to identify key genes associated with both ALI/ARDS and M1 macrophage polarization, employing a combination of bioinformatics and experimental approaches. The findings could potentially reveal novel biomarkers for the diagnosis and management of ALI/ARDS. Methods Gene expression profiles relevant to ALI were retrieved from the GEO database to identify co-upregulated differentially expressed genes (DEGs). GO and KEGG analyses facilitated functional annotation and pathway elucidation. PPI networks were constructed to identify hub genes, and differences in immune cell infiltration were subsequently examined. The expression of hub genes in M1 versus M2 macrophages was evaluated using macrophage polarization datasets. The diagnostic utility of CD274 (PD-L1) for ARDS was assessed by receiver operating characteristic (ROC) analysis in a validation dataset. Experimental confirmation was conducted using two LPS-induced M1 macrophage models and an ALI mouse model. The role of CD274 (PD-L1) in M1 macrophage polarization and associated proinflammatory cytokine production was further investigated by siRNA-mediated silencing. Results A total of 99 co-upregulated DEGs were identified in two ALI-linked datasets. Enrichment analysis revealed that these DEGs were mainly involved in immune-inflammatory pathways. The following top 10 hub genes were identified from the PPI network: IL-6, IL-1β, CXCL10, CD274, CCL2, TLR2, CXCL1, CCL3, IFIT1, and IFIT3. Immune infiltration analysis revealed a significantly increased abundance of M1 and M2 macrophages in lung tissue from the ALI group compared to the control group. Subsequent analysis confirmed that CD274 (PD-L1), a key immunological checkpoint molecule, was highly expressed within M1 macrophages. ROC analysis validated CD274 (PD-L1) as a promising biomarker for the diagnosis of ARDS. Both in vitro and in vivo experiments supported the bioinformatics analysis and confirmed that the JAK-STAT3 pathway promotes CD274 (PD-L1) expression on M1 macrophages. Importantly, knockdown of CD274 (PD-L1) expression potentiated M1 macrophage polarization and enhanced proinflammatory cytokines production. Conclusion This study demonstrates a significant correlation between CD274 (PD-L1) and M1 macrophages in ALI/ARDS. CD274 (PD-L1) functions as a negative regulator of M1 polarization and the secretion of proinflammatory cytokines in macrophages. These findings suggest potential new targets for the diagnosis and treatment of ALI/ARDS.
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Affiliation(s)
- Nana Tang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Medical Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Yang Yang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
| | - Yifei Xie
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
| | - Guohui Yang
- Medical Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Qin Wang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
| | - Chang Li
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
| | - Zeyi Liu
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
| | - Jian-an Huang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Respiratory Diseases, Soochow University, Suzhou, China
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Wang C, Zou RQ, He GZ. Progress in mechanism-based diagnosis and treatment of tuberculosis comorbid with tumor. Front Immunol 2024; 15:1344821. [PMID: 38298194 PMCID: PMC10827852 DOI: 10.3389/fimmu.2024.1344821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024] Open
Abstract
Tuberculosis (TB) and tumor, with similarities in immune response and pathogenesis, are diseases that are prone to produce autoimmune stress response to the host immune system. With a symbiotic relationship between the two, TB can facilitate the occurrence and development of tumors, while tumor causes TB reactivation. In this review, we systematically sorted out the incidence trends and influencing factors of TB and tumor, focusing on the potential pathogenesis of TB and tumor, to provide a pathway for the co-pathogenesis of TB comorbid with tumor (TCWT). Based on this, we summarized the latest progress in the diagnosis and treatment of TCWT, and provided ideas for further exploration of clinical trials and new drug development of TCWT.
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Affiliation(s)
- Chuan Wang
- School of Public Health, Kunming Medical University, Kunming, China
| | - Rong-Qi Zou
- Vice Director of Center of Sports Injury Prevention, Treatment and Rehabilitation China National Institute of Sports Medicine A2 Pangmen, Beijing, China
| | - Guo-Zhong He
- School of Public Health, Kunming Medical University, Kunming, China
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20
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Singh G, Kesharwani P, Kumar Singh G, Kumar S, Putta A, Modi G. Ferroptosis and its modulators: A raising target for cancer and Alzheimer's disease. Bioorg Med Chem 2024; 98:117564. [PMID: 38171251 DOI: 10.1016/j.bmc.2023.117564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 12/01/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024]
Abstract
The process of ferroptosis, a recently identified form of regulated cell death (RCD) is associated with the overloading of iron species and lipid-derived ROS accumulation. Ferroptosis is induced by various mechanisms such as inhibiting system Xc, glutathione depletion, targeting excess iron, and directly inhibiting GPX4 enzyme. Also, ferroptosis inhibition is achieved by blocking excessive lipid peroxidation by targeting different pathways. These mechanisms are often related to the pathophysiology and pathogenesis of diseases like cancer and Alzheimer's. Fundamentally distinct from other forms of cell death, such as necrosis and apoptosis, ferroptosis differs in terms of biochemistry, functions, and morphology. The mechanism by which ferroptosis acts as a regulatory factor in many diseases remains elusive. Studying the activation and inhibition of ferroptosis as a means to mitigate the progression of various diseases is a highly intriguing and actively researched topic. It has emerged as a focal point in etiological research and treatment strategies. This review systematically summarizes the different mechanisms involved in the inhibition and induction of ferroptosis. We have extensively explored different agents that can induce or inhibit ferroptosis. This review offers current perspectives on recent developments in ferroptosis research, highlighting the disease's etiology and presenting references to enhance its understanding. It also explores new targets for the treatment of cancer and Alzheimer's disease.
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Affiliation(s)
- Gourav Singh
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Gireesh Kumar Singh
- Department of Pharmacy, School of Health Science, Central University of South Bihar Gaya, 824236, India
| | - Saroj Kumar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Anjaneyulu Putta
- Department of Chemistry, University of South Dakota, Churchill Haines, Vermillion SD-57069, United States
| | - Gyan Modi
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005, India.
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Kuang L, Wu Y, Shu J, Yang J, Zhou H, Huang X. Pyroptotic Macrophage-Derived Microvesicles Accelerate Formation of Neutrophil Extracellular Traps via GSDMD-N-expressing Mitochondrial Transfer during Sepsis. Int J Biol Sci 2024; 20:733-750. [PMID: 38169726 PMCID: PMC10758106 DOI: 10.7150/ijbs.87646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/25/2023] [Indexed: 01/05/2024] Open
Abstract
Macrophage pyroptosis and neutrophil extracellular traps (NETs) play a critical role in sepsis pathophysiology; however, the role of macrophage pyroptosis in the regulation of NETs formation during sepsis is unknown. Here, we showed that macrophages transfer mitochondria to neutrophils through microvesicles following pyroptosis; this process induces mitochondrial dysfunction and triggers the induction of NETs formation through mitochondrial reactive oxygen species (mtROS)/Gasdermin D (GSDMD) axis. These pyroptotic macrophage-derived microvesicles can induce tissues damage, coagulation, and NETs formation in vivo. Disulfiram partly inhibits these effects in a mouse model of sepsis. Pyroptotic macrophage-derived microvesicles induce NETs formation through mitochondrial transfer, both in vitro and in vivo. Microvesicles-mediated NETs formation depends on the presence of GSDMD-N-expressing mitochondria in the microvesicles. This study elucidates a microvesicles-based pathway for NETs formation during sepsis and proposes a microvesicles-based intervention measure for sepsis management.
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Affiliation(s)
- Liangjian Kuang
- Center for Infection and Immunity and Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, China
| | - Yongjian Wu
- Center for Infection and Immunity and Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, China
| | - Jingxian Shu
- Center for Infection and Immunity and Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, China
| | - Jingwen Yang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong Province, 511518, China
| | - Haibo Zhou
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong Province, 511518, China
| | - Xi Huang
- Center for Infection and Immunity and Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, China
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, Guangdong Province, 511518, China
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22
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Liu Y, Zhang Y, You G, Zheng D, He Z, Guo W, Antonina K, Shukhrat Z, Ding B, Zan J, Zhang Z. Tangeretin attenuates acute lung injury in septic mice by inhibiting ROS-mediated NLRP3 inflammasome activation via regulating PLK1/AMPK/DRP1 signaling axis. Inflamm Res 2024; 73:47-63. [PMID: 38147126 DOI: 10.1007/s00011-023-01819-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/05/2023] [Accepted: 11/06/2023] [Indexed: 12/27/2023] Open
Abstract
OBJECTIVE NLRP3 inflammasome-mediated pyroptosis of macrophage acts essential roles in the progression of sepsis-induced acute lung injury (ALI). Tangeretin (TAN), enriched in citrus fruit peel, presents anti-oxidative and anti-inflammatory effects. Here, we aimed to explore the potentially protective effect of TAN on sepsis-induced ALI, and the underlying mechanism of TAN in regulating NLRP3 inflammasome. MATERIAL AND METHODS The effect of TAN on sepsis-induced ALI and NLRP3 inflammasome-mediated pyroptosis of macrophage were examined in vivo and in vitro using a LPS-treated mice model and LPS-induced murine macrophages, respectively. The mechanism of TAN regulating the activation of NLRP3 inflammasome in sepsis-induced ALI was investigated with HE staining, Masson staining, immunofluorescent staining, ELISA, molecular docking, transmission electron microscope detection, qRT-PCR, and western blot. RESULTS TAN could evidently attenuate sepsis-induced ALI in mice, evidenced by reducing pulmonary edema, pulmonary congestion and lung interstitial fibrosis, and inhibiting macrophage infiltration in the lung tissue. Besides, TAN significantly suppressed inflammatory cytokine IL-1β and IL-18 expression in the serum or bronchoalveolar lavage fluid (BALF) samples of mice with LPS-induced ALI, and inhibited NLRP3 inflammasome-mediated pyroptosis of macrophages. Furthermore, we found TAN inhibited ROS production, preserved mitochondrial morphology, and alleviated excessive mitochondrial fission in LPS-induced ALI in mice. Through bioinformatic analysis and molecular docking, Polo-like kinase 1 (PLK1) was identified as a potential target of TAN for treating sepsis-induced ALI. Moreover, TAN significantly inhibited the reduction of PLK1 expression, AMP-activated protein kinase (AMPK) phosphorylation, and Dynamin related protein 1 (Drp1) phosphorylation (S637) in LPS-induced ALI in mice. In addition, Volasertib, a specific inhibitor of PLK1, abolished the protective effects of TAN against NLRP3 inflammasome-mediated pyroptosis of macrophage and lung injury in the cell and mice septic models. CONCLUSION TAN attenuates sepsis-induced ALI by inhibiting ROS-mediated NLRP3 inflammasome activation via regulating PLK1/AMPK/DRP1 signaling axis, and TAN is a potentially therapeutic candidate against ALI through inhibiting pyroptosis.
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Affiliation(s)
- Yuntao Liu
- State Key Laboratory of Traditional Chinese Medicine Syndrom,The second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Yuting Zhang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Guoxing You
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Danwen Zheng
- State Key Laboratory of Traditional Chinese Medicine Syndrom,The second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Zhipeng He
- State Key Laboratory of Traditional Chinese Medicine Syndrom,The second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China
| | - Wenjie Guo
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Kim Antonina
- No. 1 Department of Internal Diseases, Samarkand State Medical University, Samarkand, Uzbekistan
| | - Ziyadullaev Shukhrat
- No. 1 Department of Internal Diseases, Samarkand State Medical University, Samarkand, Uzbekistan
| | - Banghan Ding
- State Key Laboratory of Traditional Chinese Medicine Syndrom,The second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.
| | - Jie Zan
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Zhongde Zhang
- State Key Laboratory of Traditional Chinese Medicine Syndrom,The second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.
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Wang Y, Wei H, Song Z, Jiang L, Zhang M, Lu X, Li W, Zhao Y, Wu L, Li S, Shen H, Shu Q, Xie Y. Inhalation of panaxadiol alleviates lung inflammation via inhibiting TNFA/TNFAR and IL7/IL7R signaling between macrophages and epithelial cells. J Ginseng Res 2024; 48:77-88. [PMID: 38223829 PMCID: PMC10785239 DOI: 10.1016/j.jgr.2023.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 08/18/2023] [Accepted: 09/13/2023] [Indexed: 01/16/2024] Open
Abstract
Background Lung inflammation occurs in many lung diseases, but has limited effective therapeutics. Ginseng and its derivatives have anti-inflammatory effects, but their unstable physicochemical and metabolic properties hinder their application in the treatment. Panaxadiol (PD) is a stable saponin among ginsenosides. Inhalation administration may solve these issues, and the specific mechanism of action needs to be studied. Methods A mouse model of lung inflammation induced by lipopolysaccharide (LPS), an in vitro macrophage inflammation model, and a coculture model of epithelial cells and macrophages were used to study the effects and mechanisms of inhalation delivery of PD. Pathology and molecular assessments were used to evaluate efficacy. Transcriptome sequencing was used to screen the mechanism and target. Finally, the efficacy and mechanism were verified in a human BALF cell model. Results Inhaled PD reduced LPS-induced lung inflammation in mice in a dose-dependent manner, including inflammatory cell infiltration, lung tissue pathology, and inflammatory factor expression. Meanwhile, the dose of inhalation was much lower than that of intragastric administration under the same therapeutic effect, which may be related to its higher bioavailability and superior pharmacokinetic parameters. Using transcriptome analysis and verification by a coculture model of macrophage and epithelial cells, we found that PD may act by inhibiting TNFA/TNFAR and IL7/IL7R signaling to reduce macrophage inflammatory factor-induced epithelial apoptosis and promote proliferation. Conclusion PD inhalation alleviates lung inflammation and pathology by inhibiting TNFA/TNFAR and IL7/IL7R signaling between macrophages and epithelial cells. PD may be a novel drug for the clinical treatment of lung inflammation.
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Affiliation(s)
- Yifan Wang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Hao Wei
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
- Department of Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Zhen Song
- Department of Molecular Bioinformatics, Institute of Computer Science, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Liqun Jiang
- Department of Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Mi Zhang
- Department of Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Xiao Lu
- Shenyang Pharmaceutical University, Shenyang, China
| | - Wei Li
- Shenyang Pharmaceutical University, Shenyang, China
| | - Yuqing Zhao
- Shenyang Pharmaceutical University, Shenyang, China
| | - Lei Wu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Shuxian Li
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Huijuan Shen
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiang Shu
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
| | - Yicheng Xie
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, China
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Chen X, Tang Z. Novel application of nanomedicine for the treatment of acute lung injury: a literature review. Ther Adv Respir Dis 2024; 18:17534666241244974. [PMID: 38616385 PMCID: PMC11017818 DOI: 10.1177/17534666241244974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 03/18/2024] [Indexed: 04/16/2024] Open
Abstract
Nanoparticles have attracted extensive attention due to their high degree of cell targeting, biocompatibility, controllable biological activity, and outstanding pharmacokinetics. Changing the size, morphology, and surface chemical groups of nanoparticles can increase the biological distribution of agents to achieve precise tissue targeting and optimize therapeutic effects. Examples of their use include nanoparticles designed for increasing antigen-specific immune responses, developing vaccines, and treating inflammatory diseases. Nanoparticles show the potential to become a new generation of therapeutic agents for regulating inflammation. Recently, many nanomaterials with targeted properties have been developed to treat acute lung injury/acute respiratory distress syndrome (ALI/ARDS). In this review, we provide a brief explanation of the pathological mechanism underlying ALI/ARDS and a systematic overview of the latest technology and research progress in nanomedicine treatments of ALI, including improved nanocarriers, nanozymes, and nanovaccines for the targeted treatment of lung injury. Ultimately, these nanomedicines will be used for the clinical treatment of ALI/ARDS.
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Affiliation(s)
- Xianfeng Chen
- Department of Intensive Care Unit, The First Affiliated Hospital of Guangxi Medical University, Nanning, PR China
| | - Zhanhong Tang
- Department of Intensive Care Unit, the First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning 530021, China
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25
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Su K, Li XT, Hong FX, Jin M, Xue FS. Lidocaine pretreatment attenuates inflammatory response and protects against sepsis-induced acute lung injury via inhibiting potassium efflux-dependent NLRP3 activation. Inflamm Res 2023; 72:2221-2235. [PMID: 37930383 DOI: 10.1007/s00011-023-01810-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/27/2023] [Accepted: 10/20/2023] [Indexed: 11/07/2023] Open
Abstract
OBJECTIVE Sepsis may often result in acute lung injury (ALI), with a high mortality and morbidity. Available evidence indicates that activation of NLRP3 inflammasome to induce macrophage inflammation plays a crucial role in the inflammation progression of ALI and lidocaine can attenuate inflammatory responses. We hypothesized that lidocaine may attenuate inflammatory response and sepsis-induced ALI by inhibiting potassium efflux-dependent NLRP3 activation. METHODS C57BL/6N mice were randomized and divided into six groups (n = 6) receiving different treatments. Lung vascular permeability and histological changes in the lungs were evaluated by Evans blue dye, bronchoalveolar lavage analysis and hematoxylin and eosin staining. J774A.1 macrophages were divided into 12 groups receiving different treatments. The expression of both NLRP3 inflammasome activation-related protein and P2X7 in the macrophages was measured by immunofluorescence staining and Western blots. The whole cell currents were determined by a voltage-patch clamp technique. RESULTS Challenge with LPS led to ALI in mice with an increased lung injury score (0.54 ± 0.09), which was significantly attenuated by lidocaine pretreatment (0.20 ± 0.08, P < 0.0001). Lidocaine pretreatment significantly decreased the NLRP3 activation and IL-1β release in the macrophages. Furthermore, lidocaine pretreatment down-regulated the expression of P2X7 receptors, inhibited LPS- and ATP-induced sodium (Na+) inward flow, and maintained the intracellular K+ level in the macrophages. In addition, activation of Na+ influx did not eliminate anti-inflammatory effect of lidocaine. The activation of NLRP3 could be suppressed by extracellular K+ level in a dose-dependent model. However, lidocaine pretreatment eliminated NLRP3 activation and IL-1β release induced by K+ efflux, and decreased outward K+ current and extracellular K+ level in the macrophages challenged by LPS/ATP. CONCLUSIONS Lidocaine pretreatment can attenuate the sepsis-induced ALI by an anti-inflammatory mechanism of inhibiting K+ efflux-dependent NLRP3 activation.
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Affiliation(s)
- Kai Su
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-An Road, Xi-Cheng District, Beijing, 100050, People's Republic of China
| | - Xin-Tao Li
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-An Road, Xi-Cheng District, Beijing, 100050, People's Republic of China
| | - Fang-Xiao Hong
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-An Road, Xi-Cheng District, Beijing, 100050, People's Republic of China
| | - Mu Jin
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-An Road, Xi-Cheng District, Beijing, 100050, People's Republic of China.
| | - Fu-Shan Xue
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95 Yong-An Road, Xi-Cheng District, Beijing, 100050, People's Republic of China.
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26
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Zhou W, Kang S, Wang F, Qin Y, Liu J, Xiao X, Chen X, Zhang D. Chromofungin, a chromogranin A-derived peptide, protects against sepsis-induced acute lung injury by inhibiting LBP/TLR4-dependent inflammatory signaling. Eur J Pharmacol 2023; 958:176043. [PMID: 37704044 DOI: 10.1016/j.ejphar.2023.176043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 08/28/2023] [Accepted: 08/31/2023] [Indexed: 09/15/2023]
Abstract
Chromofungin (CHR) is a biologically active peptide derived from chromogranin A that exhibits anti-inflammatory effects. However, it remains unclear whether and how CHR protects against sepsis-induced acute lung injury (ALI). A murine model of sepsis-induced ALI was established through cecal ligation and puncture, with intraperitoneal injection of CHR. Lung inflammation and macrophage polarization were examined by measuring the levels of cytokines and markers of M1 (CD86, inducible nitric oxide synthase [iNOS]) or M2 macrophages (arginase-1 [Arg1], resistin-like molecule α1 [Fizz1] and CD206). In vitro, mouse MH-S cells pretreated with CHR was employed to explore the interplay between the lipopolysaccharide-binding protein (LBP)/toll-like receptor 4 (TLR4) signaling pathway and M1/M2 polarity. The results revealed CHR's ability to enhance the 7-day survival rate and protect lung pathological injury in sepsis-induced ALI. CHR increased the expression of interleukin-4 and interleukin-10 but decreased the expression of tumour necrosis factor-α and interleukin-1β. In addition, CHR notably facilitated M2 macrophage polarization, while significantly suppressingM1 polarization of alveolar macrophages. Mechanistic investigations delineated CHR's role in macrophage polarization by downregulating nuclear factor-κB expression through modulation of the LBP/TLR4 signaling pathway. Therefore, CHR may represent a novel strategy for the prevention of sepsis-induced ALI.
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Affiliation(s)
- Wushuang Zhou
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Shengnan Kang
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Fenglin Wang
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Yupin Qin
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Jinglun Liu
- Department of Surgical Care Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Xiaoqiu Xiao
- The Chongqing Key Laboratory of Translational Medicine in Major Metabolic Diseases, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China
| | - Xiaoying Chen
- Department of Surgical Care Unit, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China.
| | - Dan Zhang
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, PR China.
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Zhang S, Yang L, Hu D, He S, Cui L, Zhao J, Zhuo Y, Zhang L, Wang X. Syringaresinol alleviates IgG immune complex induced acute lung injury via activating PPARγ and suppressing pyroptosis. Int Immunopharmacol 2023; 124:111071. [PMID: 37857123 DOI: 10.1016/j.intimp.2023.111071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 10/05/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Acute lung injury (ALI) is a life-threatening condition characterized by severe lung inflammation and tissue damage. In this study, we investigate the potential therapeutic efficacy of (+)-Syringaresinol (SYG), a natural compound known for its antioxidant and anti-inflammatory properties, in alleviating ALI induced by IgG immune complexes (IgG-IC). Using MH-S cells as a model, we explore SYG's ability to target peroxisome proliferator-activated receptor gamma (PPARγ) and its anti-inflammatory properties. Our comprehensive investigation aims to elucidate the specific molecular mechanisms underlying SYG's effects against pyroptosis, as revealed through transcriptomic analysis. Validation in C57BL/6 mice provides in vivo support. Our findings indicate that SYG effectively mitigates IgG-IC-induced lung damage, as evidenced by a significant reduction in lung inflammation and tissue injury. SYG treatment notably decreases pro-inflammatory cytokine levels (TNF-α, IL-6, IL-1β) in both lung tissue and cells. Molecular docking analysis reveals SYG's robust binding to PPARγ, leading to the inhibition of IgG-IC-induced inflammatory signaling pathways. Additionally, transcriptomic analysis unveils SYG's potential in suppressing macrophage pyroptosis, potentially through the downregulation of key inflammatory mediators (NLRP3, GSDMD, Caspase-1). In summary, our study presents compelling evidence supporting SYG as an effective therapeutic agent for ALI. SYG's activation of PPARγ contributes to the suppression of NF-κB and C/EBPs expression, thereby mitigating inflammation. Moreover, SYG demonstrates the ability to inhibit macrophage pyroptosis by targeting the NLRP3/GSDMD/caspase-1 axis.
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Affiliation(s)
- Sijia Zhang
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Lei Yang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Integrated Traditional Chinese and Western Medicine Hospital, Tianjin Nankai Hospital, Tianjin University, Tianjin, China
| | - Dongsheng Hu
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Siqi He
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Lingzhi Cui
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Jiuling Zhao
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Integrated Traditional Chinese and Western Medicine Hospital, Tianjin Nankai Hospital, Tianjin University, Tianjin, China
| | - Yuzhen Zhuo
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Integrated Traditional Chinese and Western Medicine Hospital, Tianjin Nankai Hospital, Tianjin University, Tianjin, China.
| | - Lanqiu Zhang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Integrated Traditional Chinese and Western Medicine Hospital, Tianjin Nankai Hospital, Tianjin University, Tianjin, China.
| | - Ximo Wang
- Graduate School, Tianjin Medical University, Tianjin, China; Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Integrated Traditional Chinese and Western Medicine Hospital, Tianjin Nankai Hospital, Tianjin University, Tianjin, China.
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28
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Dietschmann A, Ruhl A, Murray PJ, Günther C, Becker C, Fallon P, Voehringer D. Th2-dependent disappearance and phenotypic conversion of mouse alveolar macrophages. Eur J Immunol 2023; 53:e2350475. [PMID: 37452620 DOI: 10.1002/eji.202350475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Alveolar macrophages (alvMs) play an important role for maintenance of lung function by constant removal of cellular debris in the alveolar space. They further contribute to defense against microbial or viral infections and limit tissue damage during acute lung injury. alvMs arise from embryonic progenitor cells, seed the alveoli before birth, and have life-long self-renewing capacity. However, recruited monocytes may also help to restore the alvM population after depletion caused by toxins or influenza virus infection. At present, the population dynamics and cellular plasticity of alvMs during allergic lung inflammation is poorly defined. To address this point, we used a mouse model of Aspergillus fumigatus-induced allergic lung inflammation and observed that Th2-derived IL-4 and IL-13 caused almost complete disappearance of alvMs. This effect required STAT6 expression in alvMs and also occurred in various other settings of type 2 immunity-mediated lung inflammation or administration of IL-4 complexes to the lung. In addition, Th2 cells promoted conversion of alvMs to alternatively activated macrophages and multinucleated giant cells. Given the well-established role of alvMs for maintenance of lung function, this process may have implications for resolution of inflammation and tissue homeostasis in allergic asthma.
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Affiliation(s)
- Axel Dietschmann
- Department of Infection Biology, University Hospital Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Andreas Ruhl
- Department of Infection Biology, University Hospital Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Peter J Murray
- Max Planck Institute of Biochemistry, Martinsried, Germany
| | - Claudia Günther
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Christoph Becker
- Department of Medicine 1, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Padraic Fallon
- Trinity Biomedical Sciences Institute, School of Medicine, Trinity College Dublin, Dublin, Ireland
- Trinity Translational Medicine Institute, School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - David Voehringer
- Department of Infection Biology, University Hospital Erlangen and Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
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Wang Y, Huang J, Zhang F, Shen K, Qiu B. Knock-down of IGFBP2 ameliorates lung fibrosis and inflammation in rats with severe pneumonia through STAT3 pathway. Growth Factors 2023; 41:210-220. [PMID: 37735894 DOI: 10.1080/08977194.2023.2259497] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 09/05/2023] [Indexed: 09/23/2023]
Abstract
OBJECTIVE To observe the mechanism of IGFBP2 knock-down in improving lung fibrosis and inflammation through STAT3 pathway in rats with severe pneumonia. MATERIALS AND METHODS First, SP rat model was established. Then rats were divided into the Control group, the SP group, the SP + Lv-vector shRNA group, the SP + Lv-IGFBP2 shRNA group, the SP + Lv-vector group, and the SP + Lv-IGFBP2 group. The mRNA and protein levels of IGFBP2, NOS, CD206 and Arg 1 were detected by RT-qPCR and Western blot. IHC was used to check the positive expression of IGFBP2 and MCP1. A fully automated blood gas analyzer was used to detected PaCO2, CO2 content, PaO2 and SaO2. HE and Masson staining were performed to observe the lung tissue injury and collagen deposition of rats in each group. ELISA assays were used to calculate the levels of inflammatory factors IL-1β, IL-6, TNF-α, IL-4, and IL-10. Flow cytometry was conducted to acquire the ratio of M1-type AMs and M2-type AMs. RESULTS Compared with the Control group, IGFBP2, iNOS, CD206, and Arg1 mRNA and protein expression levels, IGFBP2 and MCP1 positive expressions, PaCO2, p-STAT3/STAT3, p-JAK2/JAK2, IL-1β, IL-6, and TNF-α levels, the number of AMs and neutrophils, the proportion of M1 type AMs and the expressions of α-SMA, Collagen-I, Collagen III, and Fibronectin were significantly increased in SP rats (p < 0.05), while PaCO2, CO2, and SaO2, IL-4 and IL-10 levels, and the proportion of M2 type AMs decreased (p < 0.05). However, the knockdown of IGFBP2 reversed the above index trends. CONCLUSION Knock-down of IGFBP2 ameliorated lung injury in SP rats, inhibited inflammation and pulmonary fibrosis, and promoted M2-type transformation of AMs by activating the STAT3 pathway.
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Affiliation(s)
- Yuyu Wang
- Department of Critical Care Medicine, Shengzhou People's Hospital, the First Affiliated Hospital of Zhejiang University Shengzhou Branch, Shengzhou, Zhejiang, China
| | - Jianjiang Huang
- Department of Critical Care Medicine, Shengzhou People's Hospital, the First Affiliated Hospital of Zhejiang University Shengzhou Branch, Shengzhou, Zhejiang, China
| | - Fang Zhang
- Department of Critical Care Medicine, Shengzhou People's Hospital, the First Affiliated Hospital of Zhejiang University Shengzhou Branch, Shengzhou, Zhejiang, China
| | - Keli Shen
- Department of Critical Care Medicine, Shengzhou People's Hospital, the First Affiliated Hospital of Zhejiang University Shengzhou Branch, Shengzhou, Zhejiang, China
| | - Bin Qiu
- Department of Critical Care Medicine, Shengzhou People's Hospital, the First Affiliated Hospital of Zhejiang University Shengzhou Branch, Shengzhou, Zhejiang, China
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Ding F, Liu G, Gao F, Zheng Z, Hong Y, Chen Y, Weng S. Adropin attenuates pancreatitis‑associated lung injury through PPARγ phosphorylation‑related macrophage polarization. Int J Mol Med 2023; 52:95. [PMID: 37654184 PMCID: PMC10483921 DOI: 10.3892/ijmm.2023.5298] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/11/2023] [Indexed: 09/02/2023] Open
Abstract
Acute pancreatitis (AP)‑associated lung injury (ALI) is a critical complication of AP. Adropin is a regulatory protein of immune metabolism. The present study aimed to explore the immunomodulatory effects of adropin on AP‑ALI. For this purpose, serum samples of patients with AP were collected and the expression levels of serum adropin were detected using ELISA. Animal models of AP and adropin knockout (Adro‑KO) were constructed, and adropin expression in serum and lung tissues was investigated. The levels of fibrosis and apoptosis were evaluated using hematoxylin and eosin staining, Masson's staining and immunohistochemistry of in lung tissue. M1/M2 type macrophages in the lungs were detected using immunofluorescence staining, western blot analysis and reverse transcription‑quantitative PCR. As shown by the results, adropin expression was decreased in AP. In the Adro‑KO + L‑arginine (L‑Arg) group, macrophage infiltration, fibrosis and apoptosis were increased. The expression of peroxisome proliferator‑ activated receptor γ (PPARγ) was downregulated, and the macrophages exhibited a trend towards M1 polarization in the Adro‑KO + L‑Arg group. Adropin exogenous supplement attenuated the levels of fibrosis and apoptosis in the model of AP. Adropin exogenous supplement also increased PPARγ expression by the regulation of the phosphorylation levels, which was associated with M2 macrophage polarization. On the whole, the findings of the present study suggest that adropin promotes the M2 polarization of lung macrophages and reduces the severity of AP‑ALI by regulating the function of PPARγ through the regulation of its phosphorylation level.
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Affiliation(s)
- Fadian Ding
- Department of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Guozhong Liu
- Department of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Feng Gao
- Department of Pathology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Zhou Zheng
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Yupu Hong
- Department of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Youting Chen
- Department of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
| | - Shangeng Weng
- Department of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
- Institute of Abdominal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350004, P.R. China
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Peng W, Qi H, Zhu W, Tong L, Rouzi A, Wu Y, Han L, He L, Yan Y, Pan T, Liu J, Wang Q, Jia Z, Song Y, Zhu Q, Zhou J. Lianhua Qingke ameliorates lipopolysaccharide-induced lung injury by inhibiting neutrophil extracellular traps formation and pyroptosis. Pulm Circ 2023; 13:e12295. [PMID: 37808899 PMCID: PMC10557103 DOI: 10.1002/pul2.12295] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 08/03/2023] [Accepted: 08/15/2023] [Indexed: 10/10/2023] Open
Abstract
LHQK is a patented Traditional Chinese Medicine (TCM) which is clinically used for acute tracheobronchitis, cough, and other respiratory diseases. Recent studies have proved that LHQK exhibits excellent clinical efficacy in the treatment of acute lung injury (ALI). However, the corresponding mechanisms remain largely unexplored. In this study, we investigated the effects and the underlying mechanisms of LHQK on lipopolysaccharide (LPS)-induced ALI in mice. The pathological examination, inflammatory cytokines assessments, and mucus secretion evaluation indicated that administration of LHQK ameliorated LPS-induced lung injury, and suppressed the secretion of Muc5AC and pro-inflammatory cytokines (IL-6, TNF-α, and IL-1β) in plasma and BALF. Furthermore, the results of cell-free DNA level showed that LHQK significantly inhibited LPS-induced NETs formation. Western blot revealed that LHQK effectively inhibited LPS-triggered pyroptosis in the lung. In addition, RNA-Seq data analysis, relatively bioinformatic analysis, and network pharmacology analysis revealed that LHQK and relative components may play multiple protective functions in LPS-induced ALI/acute respiratory distress syndrome (ARDS) by regulating multiple targets directly or indirectly related to NETs and pyroptosis. In conclusion, LHQK can effectively attenuate lung injury and reduce lung inflammation by inhibiting LPS-induced NETs formation and pyroptosis, which may be regulated directly or indirectly by active compounds of LHQK.
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Affiliation(s)
- Wenjun Peng
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Hui Qi
- Hebei Academy of Integrated Traditional Chinese and Western MedicineHebeiShijiazhuangChina
| | - Wensi Zhu
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Lin Tong
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Ainiwaer Rouzi
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Yuanyuan Wu
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Linxiao Han
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Ludan He
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Yu Yan
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Ting Pan
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Jie Liu
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Qin Wang
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
| | - Zhenhua Jia
- Hebei Academy of Integrated Traditional Chinese and Western MedicineHebeiShijiazhuangChina
| | - Yuanlin Song
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
- Shanghai Institute of Infectious Disease and BiosecurityFudan UniversityShanghaiChina
- Research Center for Chemical Injury, Emergency and Critical Medicine of Fudan UniversityFudan UniversityShanghaiChina
| | - Qiaoliang Zhu
- Department of Thoracic Surgery, Zhongshan HospitalFudan UniversityShanghaiChina
| | - Jian Zhou
- Department of Pulmonary and Critical Care Medicine, Shanghai Respiratory Research Institute, Zhongshan HospitalFudan UniversityShanghaiChina
- Shanghai Key Laboratory of Lung Inflammation and InjuryShanghaiChina
- Shanghai Institute of Infectious Disease and BiosecurityFudan UniversityShanghaiChina
- Research Center for Chemical Injury, Emergency and Critical Medicine of Fudan UniversityFudan UniversityShanghaiChina
- Key Laboratory of Chemical Injury, Emergency and Critical Medicine of Shanghai Municipal Health CommissionFudan UniversityShanghaiChina
- Center of Emergency and Critical Medicine in Jinshan Hospital of Fudan UniversityFudan UniversityShanghaiChina
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Tang Y, Zheng F, Bao X, Zheng Y, Hu X, Lou S, Zhao H, Cui S. Discovery of Highly Selective and Orally Bioavailable PI3Kδ Inhibitors with Anti-Inflammatory Activity for Treatment of Acute Lung Injury. J Med Chem 2023; 66:11905-11926. [PMID: 37606563 DOI: 10.1021/acs.jmedchem.3c00508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
PI3Kδ is a promising target for the treatment of inflammatory disease; however, the application of PI3Kδ inhibitors in acute respiratory inflammatory diseases is rarely investigated. In this study, through scaffold hopping design, we report a new series of 1H-pyrazolo[3,4-d]pyrimidin-4-amine-tethered 3-methyl-1-aryl-1H-indazoles as highly selective and potent PI3Kδ inhibitors with significant anti-inflammatory activities for treatment of acute lung injury (ALI). There were 29 compounds designed, prepared, and subjected to PI3Kδ inhibitory activity evaluation and anti-inflammatory activity evaluation in macrophages. (S)-29 was identified as a candidate with high PI3Kδ inhibitory activity, isoform selectivity, and high oral bioavailability. The in vivo administration of (S)-29 at 10 mg/kg dosage could significantly ameliorate histopathological changes and attenuate lung inflammation in lung tissues of LPS-challenged mice. Molecular docking demonstrated the success of scaffold hopping design. Overall, (S)-29 is a potent PI3Kδ inhibitor which might be a promising candidate for the treatment of ALI.
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Affiliation(s)
- Yongmei Tang
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Fanli Zheng
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Xiaodong Bao
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanan Zheng
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Xueping Hu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
| | - Siyue Lou
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Huajun Zhao
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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Yang L, Zhou D, Cao J, Shi F, Zeng J, Zhang S, Yan G, Chen Z, Chen B, Guo Y, Lin X. Revealing the biological mechanism of acupuncture in alleviating excessive inflammatory responses and organ damage in sepsis: a systematic review. Front Immunol 2023; 14:1242640. [PMID: 37753078 PMCID: PMC10518388 DOI: 10.3389/fimmu.2023.1242640] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 08/15/2023] [Indexed: 09/28/2023] Open
Abstract
Sepsis is a systemic inflammation caused by a maladjusted host response to infection. In severe cases, it can cause multiple organ dysfunction syndrome (MODS) and even endanger life. Acupuncture is widely accepted and applied in the treatment of sepsis, and breakthroughs have been made regarding its mechanism of action in recent years. In this review, we systematically discuss the current clinical applications of acupuncture in the treatment of sepsis and focus on the mechanisms of acupuncture in animal models of systemic inflammation. In clinical research, acupuncture can not only effectively inhibit excessive inflammatory reactions but also improve the immunosuppressive state of patients with sepsis, thus maintaining immune homeostasis. Mechanistically, a change in the acupoint microenvironment is the initial response link for acupuncture to take effect, whereas PROKR2 neurons, high-threshold thin nerve fibres, cannabinoid CB2 receptor (CB2R) activation, and Ca2+ influx are the key material bases. The cholinergic anti-inflammatory pathway of the vagus nervous system, the adrenal dopamine anti-inflammatory pathway, and the sympathetic nervous system are key to the transmission of acupuncture information and the inhibition of systemic inflammation. In MODS, acupuncture protects against septic organ damage by inhibiting excessive inflammatory reactions, resisting oxidative stress, protecting mitochondrial function, and reducing apoptosis and tissue or organ damage.
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Affiliation(s)
- Lin Yang
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Dan Zhou
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jiaojiao Cao
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Fangyuan Shi
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jiaming Zeng
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Siqi Zhang
- Ministry of Education, State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guorui Yan
- The First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Pharmacy Department, Tianjin, China
| | - Zhihan Chen
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Bo Chen
- School of Acupuncture-Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yi Guo
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Modern Chinese Medicine Theory of Innovation and Application, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaowei Lin
- Research Center of Experimental Acupuncture Science, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin Key Laboratory of Modern Chinese Medicine Theory of Innovation and Application, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- School of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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Zhang M, Lan H, Peng S, Zhou W, Wang X, Jiang M, Hong J, Zhang Q. MiR-223-3p attenuates radiation-induced inflammatory response and inhibits the activation of NLRP3 inflammasome in macrophages. Int Immunopharmacol 2023; 122:110616. [PMID: 37459784 DOI: 10.1016/j.intimp.2023.110616] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 06/29/2023] [Accepted: 07/04/2023] [Indexed: 08/25/2023]
Abstract
Macrophage pyroptosis plays an important role in the development of radiation-induced cell and tissue damage, leading to acute lung injury. However, the underlying mechanisms of NOD-like receptor thermal protein domain-associated protein 3 (NLRP3)-mediated macrophage pyroptosis and the regulatory factors involved in radiation-induced pyroptosis are unclear. In this study, the expression of the NLRP3 inflammasome and pyroptosis-associated factors in murine macrophage cell lines was investigated after ionizing radiation. High-throughput RNA sequencing was performed to identify and characterize miRNAs and mRNA transcripts associated with NLRP3-mediated cell death. Our results demonstrated that cleaved-caspase-1 (p10) and N-terminal domain of gasdermin-D (GSDMD-N) were upregulated, and the number of NLRP3 inflammasomes and pyroptotic cells increased in murine macrophage cell lines after irradiation (8 Gy). Comparativeprofiling of 300miRNAs revealed that 41 miRNAsexhibited significantly different expression after 8 Gy of irradiation. Granulocyte-specific microRNA-223-3p (miR-223-3p) is a negative regulator of NLRP3. In vitro experiments revealed that the expression of miR-223-3p was significantly altered by irradiation. Moreover, miR-223-3p decreased the expression of NLRP3 and proinflammatory factors, resulting in reduced pyroptosis in irradiated murine macrophages. Subsequently, in vivo experiments revealed the efficacy of miR-223-3p supplementation in ameliorating alveolar macrophage (AM) pyroptosis, attenuating the infiltration of inflammatory monocytes, and significantly alleviating the severity of acute radiation-induced lung injury (ARILI). Our findings suggest that the miR-223-3p/NLRP3/caspase-1 axis is involved in radiation-induced AM pyroptosis and ARILI.
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Affiliation(s)
- Mingwei Zhang
- Department of Oncology, Fujian Medical University Union Hospital, Fuzhou, China; Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Department of Radiotherapy, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Key Laboratory of Radiation Biology of Fujian Higher Education Institutions, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Hailin Lan
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Department of Radiotherapy, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Key Laboratory of Radiation Biology of Fujian Higher Education Institutions, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China
| | - Shaoli Peng
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Weitong Zhou
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Xuezhen Wang
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Meina Jiang
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China
| | - Jinsheng Hong
- Department of Radiotherapy, Cancer Center, the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Department of Radiotherapy, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital of Fujian Medical University, Fuzhou, China; Key Laboratory of Radiation Biology of Fujian Higher Education Institutions, The First Affiliated Hospital, Fujian Medical University, Fuzhou, China.
| | - Qiuyu Zhang
- Institute of Immunotherapy, Fujian Medical University, Fuzhou, China.
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Wang Z, Wang Z. The role of macrophages polarization in sepsis-induced acute lung injury. Front Immunol 2023; 14:1209438. [PMID: 37691951 PMCID: PMC10483837 DOI: 10.3389/fimmu.2023.1209438] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 08/14/2023] [Indexed: 09/12/2023] Open
Abstract
Sepsis presents as a severe infectious disease frequently documented in clinical settings. Characterized by its systemic inflammatory response syndrome, sepsis has the potential to trigger multi-organ dysfunction and can escalate to becoming life-threatening. A common fallout from sepsis is acute lung injury (ALI), which often progresses to acute respiratory distress syndrome (ARDS). Macrophages, due to their significant role in the immune system, are receiving increased attention in clinical studies. Macrophage polarization is a process that hinges on an intricate regulatory network influenced by a myriad of signaling molecules, transcription factors, epigenetic modifications, and metabolic reprogramming. In this review, our primary focus is on the classically activated macrophages (M1-like) and alternatively activated macrophages (M2-like) as the two paramount phenotypes instrumental in sepsis' host immune response. An imbalance between M1-like and M2-like macrophages can precipitate the onset and exacerbate the progression of sepsis. This review provides a comprehensive understanding of the interplay between macrophage polarization and sepsis-induced acute lung injury (SALI) and elaborates on the intervention strategy that centers around the crucial process of macrophage polarization.
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Affiliation(s)
| | - Zhong Wang
- Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
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Xue J, Zhang Z, Sun Y, Jin D, Guo L, Li X, Zhao D, Feng X, Qi W, Zhu H. Research Progress and Molecular Mechanisms of Endothelial Cells Inflammation in Vascular-Related Diseases. J Inflamm Res 2023; 16:3593-3617. [PMID: 37641702 PMCID: PMC10460614 DOI: 10.2147/jir.s418166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Endothelial cells (ECs) are widely distributed inside the vascular network, forming a vital barrier between the bloodstream and the walls of blood vessels. These versatile cells serve myriad functions, including the regulation of vascular tension and the management of hemostasis and thrombosis. Inflammation constitutes a cascade of biological responses incited by biological, chemical, or physical stimuli. While inflammation is inherently a protective mechanism, dysregulated inflammation can precipitate a host of vascular pathologies. ECs play a critical role in the genesis and progression of vascular inflammation, which has been implicated in the etiology of numerous vascular disorders, such as atherosclerosis, cardiovascular diseases, respiratory diseases, diabetes mellitus, and sepsis. Upon activation, ECs secrete potent inflammatory mediators that elicit both innate and adaptive immune reactions, culminating in inflammation. To date, no comprehensive and nuanced account of the research progress concerning ECs and inflammation in vascular-related maladies exists. Consequently, this review endeavors to synthesize the contributions of ECs to inflammatory processes, delineate the molecular signaling pathways involved in regulation, and categorize and consolidate the various models and treatment strategies for vascular-related diseases. It is our aspiration that this review furnishes cogent experimental evidence supporting the established link between endothelial inflammation and vascular-related pathologies, offers a theoretical foundation for clinical investigations, and imparts valuable insights for the development of therapeutic agents targeting these diseases.
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Affiliation(s)
- Jiaojiao Xue
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Ziwei Zhang
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Yuting Sun
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Di Jin
- Department of Nephrology, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Liming Guo
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Xiangyan Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Daqing Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Xiaochun Feng
- Department of Nephropathy and Rheumatology in Children, Children’s Medical Center, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Wenxiu Qi
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Haoyu Zhu
- Department of Nephropathy and Rheumatology in Children, Children’s Medical Center, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
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Ma Y, Wang Z, Wu X, Ma Z, Shi J, He S, Li S, Li X, Li X, Li Y, Yu J. 5-Methoxytryptophan ameliorates endotoxin-induced acute lung injury in vivo and in vitro by inhibiting NLRP3 inflammasome-mediated pyroptosis through the Nrf2/HO-1 signaling pathway. Inflamm Res 2023; 72:1633-1647. [PMID: 37458783 DOI: 10.1007/s00011-023-01769-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 06/15/2023] [Accepted: 07/05/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND AND AIM Endotoxin-induced acute lung injury (ALI) is a complicated and fatal condition with no specific or efficient clinical treatments. 5-Methoxytryptophan (5-MTP), an endogenous metabolite of tryptophan, was revealed to block systemic inflammation. However, the specific mechanism by which 5-MTP affects ALI still needs to be clarified. The purpose of this study was to determine whether 5-MTP protected the lung by inhibiting NLRP3 inflammasome-mediated pyroptosis through the Nrf2/HO-1 signaling pathway. METHODS AND RESULTS We used lipopolysaccharide (LPS)-stimulated C57BL/6 J mice and MH-S alveolar macrophages to create models of ALI, and 5-MTP (100 mg/kg) administration attenuated pathological lung damage in LPS-exposed mice, which was associated with decreased inflammatory cytokines and oxidative stress levels, upregulated protein expression of Nrf2 and HO-1, and suppressed Caspase-1 activation and NLRP3-mediated pyroptosis protein levels. Moreover, Nrf2-deficient mice or MH-S cells were treated with 5-MTP to further confirm the protective effect of the Nrf2/HO-1 pathway on lung damage. We found that Nrf2 deficiency partially eliminated the beneficial effect of 5-MTP on reducing oxidative stress levels and inflammatory responses and abrogating the inhibition of NLRP3-mediated pyroptosis induced by LPS. CONCLUSION These findings suggested that 5-MTP could effectively ameliorate ALI by inhibiting NLRP3-mediated pyroptosis via the Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Yang Ma
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Zhixue Wang
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Xiaoyang Wu
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Zijian Ma
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Jia Shi
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Simeng He
- Department of Anesthesiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Shaona Li
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Xiangyun Li
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Xiangkun Li
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Yan Li
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical University, Chengde, Hebei, China
| | - Jianbo Yu
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China.
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Zhang J, Li J, An Z, Qi J. HYDROMORPHONE MITIGATES CARDIOPULMONARY BYPASS-INDUCED ACUTE LUNG INJURY BY REPRESSING PYROPTOSIS OF ALVEOLAR MACROPHAGES. Shock 2023; 60:92-99. [PMID: 37127893 DOI: 10.1097/shk.0000000000002138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
ABSTRACT Introduction: Acute lung injury (ALI) is a devastating pulmonary illness with diffuse inflammatory responses. Hydromorphone (Hyd) is an opioid agonist used for relieving moderate-to-severe pain. The present work investigated the effect of Hyd on cardiopulmonary bypass (CPB)-induced ALI by regulating pyroptosis of alveolar macrophages (AMs). Methods: Rats were subjected to CPB, followed by Hyd treatment. The lung injury in rat lung tissues was appraised by the ratio of lung wet/dry weight (weight), histological staining, and the total protein concentrations in bronchoalveolar lavage fluid, and lung function was assessed by oxygenation index and respiratory index, and lung macrophage pyroptosis was observed by fluorescence staining. Alveolar macrophages were separated and pyroptosis was determined by western blot assay and enzyme-linked immunosorbent assay. The expression patterns of nuclear factor erythroid 2-related factor 2/heme oxygenase 1 (Nrf2/HO-1), nod-like receptor protein 3 (NLRP3), N-terminal gasdermin-D, and cleaved caspase-1 were examined by real-time quantitative polymerase chain reaction, western blot, and immunohistochemistry assays. The impact of NLRP3 or Nrf2 on pyroptosis of AMs and CPB-induced ALI was observed after treatment of nigericin (NLRP3 agonist) or ML385 (Nrf2 inhibitor). Results: Hyd attenuated CPB-induced lung injury as manifested by reductions in lung inflammation and edema, the scores of lung injury, the ratio of lung wet/dry weight, and the total protein concentrations in bronchoalveolar lavage fluid. Besides, Hyd repressed NLRP3 inflammasome-mediated pyroptosis of AMs after CPB treatment. Hyd upregulated Nrf2/HO-1 expression levels to repress NLRP3 inflammasome-mediated pyroptosis. Treatment of nigericin or ML385 counteracted the role of Hyd in ameliorating pyroptosis of AMs and CPB-induced ALI. Conclusions: Hyd alleviated NLRP3 inflammasome-mediated pyroptosis and CPB-induced ALI via upregulating the Nrf2/HO-1 pathway, which may be achieved by AMs.
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Affiliation(s)
- Jun Zhang
- Department of Anesthesiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
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Yang L, Liu T, Zhuo Y, Li D, Li D, Liu J, Gao H, Zhang L, Lin J, Wang X. Verbenalin alleviates acute lung injury induced by sepsis and IgG immune complex through GPR18 receptor. Cell Signal 2023:110768. [PMID: 37315751 DOI: 10.1016/j.cellsig.2023.110768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/24/2023] [Accepted: 06/10/2023] [Indexed: 06/16/2023]
Abstract
Acute lung injury is significantly associated with the aberrant activation and pyroptosis of alveolar macrophages. Targeting the GPR18 receptor presents a potential therapeutic approach to mitigate inflammation. Verbenalin, a prominent component of Verbena in Xuanfeibaidu (XFBD) granules, is recommended for treating COVID-19. In this study, we demonstrate the therapeutic effect of verbenalin on lung injury through direct binding to the GPR18 receptor. Verbenalin inhibits the activation of inflammatory signaling pathways induced by lipopolysaccharide (LPS) and IgG immune complex (IgG IC) via GPR18 receptor activation. The structural basis for verbenalin's effect on GPR18 activation is elucidated through molecular docking and molecular dynamics simulations. Furthermore, we establish that IgG IC induces macrophage pyroptosis by upregulating the expression of GSDME and GSDMD through CEBP-δ activation, while verbenalin inhibits this process. Additionally, we provide the first evidence that IgG IC promotes the formation of neutrophil extracellular traps (NETs), and verbenalin suppresses NETs formation. Collectively, our findings indicate that verbenalin functions as a "phytoresolvin" to promote inflammation regression and suggests that targeting the C/EBP-δ/GSDMD/GSDME axis to inhibit macrophage pyroptosis may represent a novel strategy for treating acute lung injury and sepsis.
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Affiliation(s)
- Lei Yang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China
| | - Tianyu Liu
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China
| | - Yuzhen Zhuo
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China
| | - Dongmei Li
- College of Pharmacy, Nankai University, Tianjin, China
| | - Dihua Li
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China
| | - Junhong Liu
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China
| | - Hejun Gao
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Lanqiu Zhang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China.
| | - Jianping Lin
- College of Pharmacy, Nankai University, Tianjin, China.
| | - Ximo Wang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin Nankai Hospital, Tianjin, China; Graduate School, Tianjin Medical University, Tianjin, China; Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Integrative Medicine for Acute Abdominal Diseases, Tianjin University, Tianjin, China.
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Tang B, Wang Y, Ren J. Basic information about memantine and its treatment of Alzheimer's disease and other clinical applications. IBRAIN 2023; 9:340-348. [PMID: 37786758 PMCID: PMC10527776 DOI: 10.1002/ibra.12098] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 10/04/2023]
Abstract
Memantine is a noncompetitive moderate-affinity strong voltage-dependent N-methyl-D-aspartate receptor antagonist. It has been used to treat Alzheimer's disease (AD) since 1989. In 2018, it became the second most commonly used drug for the treatment of dementia in the world. AD is nonreversible, and memantine can only relieve the symptoms of AD but not cure it. Over the past half-century, memantine's research and clinical application have been extensively developed. In this review, the basic composition of memantine, the mechanism and limitations of memantine in the treatment of AD, memantine combination therapy, comparison of memantine with other drugs for AD, and clinical studies of memantine in other diseases are reviewed to provide a valuable reference for further research and application of memantine for the treatment of AD.
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Affiliation(s)
- Bin‐Can Tang
- Department of AnesthesiologySouthwest Medical UniversityLuzhouChina
| | - Ya‐Ting Wang
- Department of AnesthesiologySouthwest Medical UniversityLuzhouChina
| | - Jie Ren
- Department of NeuroscienceThe University of SheffieldSheffieldUK
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Chen LS, Zheng DS. Safflor Yellow A Protects Beas-2B Cells Against LPS-Induced Injury via Activating Nrf2. REVISTA BRASILEIRA DE FARMACOGNOSIA : ORGAO OFICIAL DA SOCIEDADE BRASILEIRA DE FARMACOGNOSIA 2023; 33:1-10. [PMID: 37363713 PMCID: PMC10234683 DOI: 10.1007/s43450-023-00409-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 05/12/2023] [Indexed: 06/28/2023]
Abstract
Acute lung injury and its severe form acute respiratory distress syndrome are lethal lung diseases. So far, effective therapy for the diseases is deficient and the prognosis is poor. Recently, it was found activating nuclear factor erythroid 2-related factor 2 could attenuate the injury including inflammation, oxidative stress, and apoptosis in those diseases. To discover novel therapy, we have evaluated safflor yellow A and explored the underlying mechanisms using Beas-2B cells injured by lipopolysaccharide. As a result, safflor yellow A could improve the viability of Beas-2B cells treated with lipopolysaccharide. Further investigations have revealed safflor yellow A suppressed oxidative stress induced by lipopolysaccharide via reducing reactive oxygen species and malondialdehyde, and elevating superoxide dismutase, catalase, and glutathione peroxidase. Meanwhile, the inflammation resulting from lipopolysaccharide was ameliorated through decreasing the pro-inflammatory cytokines including tumor necrosis factor-α, interleukin-1β, and interleukin-6. It was also found nuclear factor κB was inactivated by safflor yellow A. In addition, safflor yellow A downregulated cysteinyl aspartate specific proteinase-3 and Bcl-2-associated X protein and upregulated B-cell lymphoma-2 to inhibited apoptosis of Beas-2B cells induced by lipopolysaccharide. The activation of nuclear factor erythroid 2-related factor 2 was observed in Beas-2B cells, which was associated with the protective effects of safflor yellow A. And molecular docking elucidated safflor yellow A interacted with Kelch-like ECH-associated protein 1 to activate nuclear factor erythroid 2-related factor 2. These results can provide evidences for the discovery of novel therapy for further evaluation of safflor yellow A in the treatment of acute lung injury and acute respiratory distress syndrome. Graphical Abstract
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Affiliation(s)
- Liang-Shu Chen
- Ward of Healthcare Branch II, The First Affiliated Hospital of Xiamen University, Xiamen, 361003 Fujian China
| | - Dong-Shu Zheng
- The Third Clinical Medical College, Fujian Medical University, Xiamen, 361003 Fujian China
- Department of Otolaryngology, Head and Neck Surgery, The First Affiliated Hospital of Xiamen University, No. 55 Zhenhai Road, Xiamen, 361003 Fujian China
- Xiamen Key Laboratory of Otolaryngology, Head and Neck Surgery, Xiamen, 361003 Fujian China
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Li X, Xiao C, Yuan J, Chen X, Li Q, Shen F. Rhein-attenuates LPS-induced acute lung injury via targeting NFATc1/Trem2 axis. Inflamm Res 2023:10.1007/s00011-023-01746-8. [PMID: 37212865 DOI: 10.1007/s00011-023-01746-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/28/2023] [Accepted: 05/15/2023] [Indexed: 05/23/2023] Open
Abstract
BACKGROUND Evidence indicated that the early stage transition of macrophages' polarization stages yielded a superior prognosis for acute lung injury (ALI) or acute respiratory distress syndrome (ARDS). Rhein (cassic acid) is one major component of many traditional Chinese medicines, and has been reported to perform with strong anti-inflammation capabilities. However, the role rhein played and the mechanism via which it did so in LPS-induced ALI/ARDS remain unclear. METHODS ALI/ARDS was induced by LPS (3 mg/kg, i.n, st), accompanied by the applications of rhein (50 and 100 mg/kg, i.p, qd), and a vehicle or NFATc1 inhibitor (10 mg/kg, i.p, qd) in vivo. Mice were sacrificed 48 h after modeling. Lung injury parameters, epithelial cell apoptosis, macrophage polarization, and oxidative stress were examined. In vitro, conditioned medium from alveolar epithelial cells stimulated by LPS was used for culturing a RAW264.7 cell line, along with rhein administrations (5 and 25 μM). RNA sequencing, molecule docking, biotin pull-down, ChIP-qPCR, and dual luciferase assay were performed to clarify the mechanisms of rhein in this pathological process. RESULTS Rhein significantly attenuated tissue inflammation and promoted macrophage M2 polarization transition in LPS-induced ALI/ARDS. In vitro, rhein alleviated the intracellular ROS level, the activation of P65, and thus the M1 polarization of macrophages. In terms of mechanism, rhein played its protective roles via targeting the NFATc1/Trem2 axis, whose function was significantly mitigated in both Trem2 and NFATc1 blocking experiments. CONCLUSION Rhein promoted macrophage M2 polarization transition by targeting the NFATc1/Trem2 axis to regulate inflammation response and prognosis after ALI/ARDS, which shed more light on possibilities for the clinical treatments of this pathological process.
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Affiliation(s)
- Xiang Li
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China
| | - Chuan Xiao
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China
| | - Jia Yuan
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China
| | - Xianjun Chen
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China
| | - Qing Li
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China
| | - Feng Shen
- Department of Intensive Care Unit, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, China.
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Ni R, Jiang L, Zhang C, Liu M, Luo Y, Hu Z, Mou X, Zhu Y. Biologic Mechanisms of Macrophage Phenotypes Responding to Infection and the Novel Therapies to Moderate Inflammation. Int J Mol Sci 2023; 24:ijms24098358. [PMID: 37176064 PMCID: PMC10179618 DOI: 10.3390/ijms24098358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Pro-inflammatory and anti-inflammatory types are the main phenotypes of the macrophage, which are commonly notified as M1 and M2, respectively. The alteration of macrophage phenotypes and the progression of inflammation are intimately associated; both phenotypes usually coexist throughout the whole inflammation stage, involving the transduction of intracellular signals and the secretion of extracellular cytokines. This paper aims to address the interaction of macrophages and surrounding cells and tissues with inflammation-related diseases and clarify the crosstalk of signal pathways relevant to the phenotypic metamorphosis of macrophages. On these bases, some novel therapeutic methods are proposed for regulating inflammation through monitoring the transition of macrophage phenotypes so as to prevent the negative effects of antibiotic drugs utilized in the long term in the clinic. This information will be quite beneficial for the diagnosis and treatment of inflammation-related diseases like pneumonia and other disorders involving macrophages.
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Affiliation(s)
- Renhao Ni
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Lingjing Jiang
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Chaohai Zhang
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Mujie Liu
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Yang Luo
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Zeming Hu
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Xianbo Mou
- Health Science Center, Ningbo University, Ningbo 315211, China
| | - Yabin Zhu
- Health Science Center, Ningbo University, Ningbo 315211, China
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Zheng Z, Li X, Chen P, Zou Y, Shi X, Li X, Young Kim E, Liao J, Yang J, Chattipakorn N, Wu G, Tang Q, Cho WJ, Liang G. Design and synthesis optimization of novel diimide indoles derivatives for ameliorating acute lung injury through modulation of NF-κB signaling pathway. Bioorg Chem 2023; 136:106557. [PMID: 37121106 DOI: 10.1016/j.bioorg.2023.106557] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 04/05/2023] [Accepted: 04/17/2023] [Indexed: 05/02/2023]
Abstract
Acute lung injury (ALI) is a common respiratory disease caused by local or systemic inflammatory reaction. Based on the natural 7-chain diaryl anti-inflammatory framework, a series of diimide indoles derivatives were designed by combining curcumin and indole in this study. The synthesis of diimide compounds was extended using dichloromethane (DCM) as solvent and 1,1'-carbonyldiimidazole (CDI) and sodium hydride (NaH) as double activators, and a total of 40 diimide-indole derivatives were obtained. The results of in vitro anti-inflammatory activity showed that most compounds could inhibit the production of interleukin-6 (IL-6) better than curcumin and indomethacin. Among the compounds, the IC50 of compound 11f on IL-6 reached 1.05 μM with no obvious cytotoxic side effects. Mechanistically, compound 11f could block the expression of NF-κB P65 phosphorylation, and nuclear translocation of P65. The acute toxicity tests in-vivo also showed no obvious toxicity in mice after the intragastric administration of 1000 mg/kg. In addition, the compound 11f could significantly inhibit the LPS-induced inflammatory response in mice and reduce the number of neutrophils and wet/dry lung weight ratio, thereby alleviating ALI. These results indicated that the novel diimide indoles were promising anti-inflammatory agents for the treatment of ALI.
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Affiliation(s)
- Zhiwei Zheng
- Department of Cardiology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China; College of Pharmacy, Chonnam National University, Gwangju 61186, Republic of Korea; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325024, China
| | - Xiaobo Li
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325024, China
| | - Pan Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China; College of Pharmacy, Chonnam National University, Gwangju 61186, Republic of Korea; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325024, China
| | - Yu Zou
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Xiaojian Shi
- Department of Cardiology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Xiang Li
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Eun Young Kim
- College of Pharmacy, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jing Liao
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Jun Yang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Gaojun Wu
- Department of Cardiology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China
| | - Qidong Tang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325024, China.
| | - Won-Jea Cho
- College of Pharmacy, Chonnam National University, Gwangju 61186, Republic of Korea.
| | - Guang Liang
- Department of Cardiology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325024, China.
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Sun Z, Chen X, Liu J, Du Y, Duan C, Xiao S, Zhou Y, Fang L. PRRSV-induced inflammation in pulmonary intravascular macrophages (PIMs) and pulmonary alveolar macrophages (PAMs) contributes to endothelial barrier function injury. Vet Microbiol 2023; 281:109730. [PMID: 37068404 DOI: 10.1016/j.vetmic.2023.109730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/28/2023] [Accepted: 04/01/2023] [Indexed: 04/08/2023]
Abstract
Porcine reproductive and respiratory syndrome (PRRS) is a severe infectious disease currently devasting the global pig industry. PRRS is characterized by intense inflammation and severe damage to the alveolar-capillary barrier. Therefore, it is crucial to uncover the underlying mechanism by which the PRRS virus (PRRSV) induces inflammatory responses and barrier function damage. In addition to porcine alveolar macrophages (PAMs), the primary target cells of PRRSV infection in vivo, pulmonary intravascular macrophages (PIMs) are also susceptible to PRRSV infection. However, the poor isolation efficiency limits the study of PRRSV infection in PIMs. In this study, we optimized the isolation method to obtain PIMs with higher purity and yield and demonstrated that PRRSV's infection kinetics in PIMs were similar to those in PAMs. Notably, PIMs exhibited a more acute inflammation process during PRRSV infection than PAMs, as evidenced by the earlier upregulation and higher levels of pro-inflammatory cytokines, including TNF-α and IL-1β. More acute endothelial barrier disfunction upon PRRSV infection was also observed in PIMs compared to in PAMs. Mechanistically, PRRSV-induced TNF-α and IL-1β could cause endothelial barrier disfunction by dysregulating tight junction proteins, including claudin 1 (CLDN1), claudin 8 (CLDN8) and occludin (OCLN). Our findings revealed the crucial and novel roles of PIMs in facilitating the progression of inflammatory responses and endothelial barrier injury and provided new insights into the mechanisms of PRRSV's induction of interstitial pneumonia.
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Han Z, Ma J, Han Y, Yuan G, Jiao R, Meng A. Irisin attenuates acute lung injury by suppressing the pyroptosis of alveolar macrophages. Int J Mol Med 2023; 51:32. [PMID: 36896789 PMCID: PMC10035983 DOI: 10.3892/ijmm.2023.5235] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 02/22/2023] [Indexed: 03/09/2023] Open
Abstract
Irisin is a hormone‑like myokine that regulates cell signaling pathways and exerts anti‑inflammatory effects. However, the specific molecular mechanisms involved in this process are currently unknown. The present study explored the role and mechanisms underlying the functions of irisin in alleviating acute lung injury (ALI). The present study used MH‑S, an established murine alveolar macrophage‑derived cell line, and a mouse model of lipopolysaccharide (LPS)‑induced‑ALI to examine the efficacy of irisin against ALI in vitro and in vivo, respectively. Fibronectin type III repeat‑containing protein/irisin was expressed in the inflamed lung tissue, but not in normal lung tissue. Exogenous irisin reduced alveolar inflammatory cell infiltration and pro‑inflammatory factor secretion in mice following LPS stimulation. It also inhibited the polarization of M1‑type macrophages and promoted the repolarization of M2‑type macrophages, thus reducing the LPS‑induced production and secretion of interleukin (IL)‑1β, IL‑18 and tumor necrosis factor‑α. In addition, irisin reduced the release of the molecular chaperone heat shock protein 90 (HSP90), inhibited the formation of nucleotide‑binding and oligomerization domain‑like receptor protein 3 (NLRP3) inflammasome complexes, and decreased the expression of caspase‑1 and the cleavage of gasdermin D (GSDMD), leading to reduced pyroptosis and the accompanying inflammation. On the whole, the findings of the present study demonstrate that irisin attenuates ALI by inhibiting the HSP90/NLRP3/caspase‑1/GSDMD signaling pathway, reversing macrophage polarization and reducing the pyroptosis of macrophages. These findings provide a theoretical basis for understanding the role of irisin in the treatment of ALI and acute respiratory distress syndrome.
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Affiliation(s)
- Zhuoxiao Han
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
| | - Jiao Ma
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
| | - Ying Han
- Department of Neurosurgery, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, P.R. China
| | - Guanli Yuan
- Department of Respiratory and Critical Care Medicine, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, P.R. China
| | - Rui Jiao
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
| | - Aihong Meng
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
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Zhong WJ, Zhang J, Duan JX, Zhang CY, Ma SC, Li YS, Yang NSY, Yang HH, Xiong JB, Guan CX, Jiang ZX, You ZJ, Zhou Y. TREM-1 triggers necroptosis of macrophages through mTOR-dependent mitochondrial fission during acute lung injury. J Transl Med 2023; 21:179. [PMID: 36879273 PMCID: PMC9990355 DOI: 10.1186/s12967-023-04027-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND Necroptosis of macrophages is a necessary element in reinforcing intrapulmonary inflammation during acute lung injury (ALI). However, the molecular mechanism that sparks macrophage necroptosis is still unclear. Triggering receptor expressed on myeloid cells-1 (TREM-1) is a pattern recognition receptor expressed broadly on monocytes/macrophages. The influence of TREM-1 on the destiny of macrophages in ALI requires further investigation. METHODS TREM-1 decoy receptor LR12 was used to evaluate whether the TREM-1 activation induced necroptosis of macrophages in lipopolysaccharide (LPS)-induced ALI in mice. Then we used an agonist anti-TREM-1 Ab (Mab1187) to activate TREM-1 in vitro. Macrophages were treated with GSK872 (a RIPK3 inhibitor), Mdivi-1 (a DRP1 inhibitor), or Rapamycin (an mTOR inhibitor) to investigate whether TREM-1 could induce necroptosis in macrophages, and the mechanism of this process. RESULTS We first observed that the blockade of TREM-1 attenuated alveolar macrophage (AlvMs) necroptosis in mice with LPS-induced ALI. In vitro, TREM-1 activation induced necroptosis of macrophages. mTOR has been previously linked to macrophage polarization and migration. We discovered that mTOR had a previously unrecognized function in modulating TREM-1-mediated mitochondrial fission, mitophagy, and necroptosis. Moreover, TREM-1 activation promoted DRP1Ser616 phosphorylation through mTOR signaling, which in turn caused surplus mitochondrial fission-mediated necroptosis of macrophages, consequently exacerbating ALI. CONCLUSION In this study, we reported that TREM-1 acted as a necroptotic stimulus of AlvMs, fueling inflammation and aggravating ALI. We also provided compelling evidence suggesting that mTOR-dependent mitochondrial fission is the underpinning of TREM-1-triggered necroptosis and inflammation. Therefore, regulation of necroptosis by targeting TREM-1 may provide a new therapeutic target for ALI in the future.
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Affiliation(s)
- Wen-Jing Zhong
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Jun Zhang
- Department of Physiology, Hunan University of Medicine, Huaihua, China
| | - Jia-Xi Duan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Chen-Yu Zhang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Sheng-Chao Ma
- NHC Key Laboratory of Metabolic Cardiovascular Diseases Research, Ningxia Medical University, Yinchuan, 750004, China.,The School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China
| | - Yu-Sheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Nan-Shi-Yu Yang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Hui-Hui Yang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Jian-Bing Xiong
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Cha-Xiang Guan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China
| | - Zhi-Xing Jiang
- Department of Physiology, Hunan University of Medicine, Huaihua, China
| | - Zhi-Jian You
- Department of Anesthesiology, Liuzhou People's Hospital, Liuzhou, China. .,Liuzhou Key Laboratory of Anesthesia and Brain Health, Liuzhou People's Hospital, Liuzhou, China.
| | - Yong Zhou
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, 410078, Hunan, China.
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48
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Haute GV, Luft C, Pedrazza L, Antunes GL, Silveira J, de Souza Basso B, Levorse VGS, Bastos MS, Melo D, Rodrigues KF, Garcia MC, da Costa MS, Matzenbacher LS, Kaiber DB, Donadio MVF, Gracia-Sancho J, de Oliveira JR. Simvastatin attenuates inflammatory process on LPS-induced acute lung injury in mice. Respir Physiol Neurobiol 2023; 309:104002. [PMID: 36566004 DOI: 10.1016/j.resp.2022.104002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/05/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Acute lung injury (ALI) is a disease of high prevalence and is characterized by the excessive production of inflammatory mediators in the lungs of people sick. Inflammation is the major characteristic of ALI and studies report that inhibition of inflammatory cytokines could be an alternative treatment. Statins such as Simvastatin (SV) are known to their use for cholesterol reduction but also for inflammatory and immunoregulatory processes. In this study, we evaluated the effects of SV on LPS-induced alveolar macrophages and in ALI mice model. Our study has demonstrated the protective effects of SV on LPS-activated alveolar macrophages RAW 264.7 and LPS-induced ALI in mice. SV treatment significantly inhibited the alveolar macrophages activation by decreasing the iNOS, IL-1β, and IL-6 gene expression in vitro and in vivo. The treatment also decreased the inflammatory cells migration and the cytokines gene expression. Our findings suggest that SV can act as an anti-inflammatory agent for acute lung injury.
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Affiliation(s)
- Gabriela Viegas Haute
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Carolina Luft
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil; Department of Psychology, Brock University, St. Catharines, Canada
| | - Leonardo Pedrazza
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Géssica Luana Antunes
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Josiane Silveira
- Neuroprotection and Neurometabolic Diseases Laboratory (Wyse's Lab), Department of Biochemistry, ICBS, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Bruno de Souza Basso
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Vitor Giancarlo Schneider Levorse
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Matheus Scherer Bastos
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Denizar Melo
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Ketlin Fernanda Rodrigues
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Maria Claudia Garcia
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Mariana Severo da Costa
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Lucas Strassburger Matzenbacher
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Daniela Benvenutti Kaiber
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Márcio Vinícius Fagundes Donadio
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil; Department of Physiotherapy, Universitat Internacional de Catalunya (UIC), Barcelona, Spain
| | - Jordi Gracia-Sancho
- Barcelona Hepatic Hemodynamic Laboratory, IDIBAPS - Hospital Clinic de Barcelona - CIBEREHD, Barcelona, Spain; Hepatology, Department of Clinical Research, University of Bern, Switzerland
| | - Jarbas Rodrigues de Oliveira
- Laboratory of Cellular Biophysics and Inflammation, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
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Wu Z, Chen L, Wang Q, Govindasamy C, Subramaniyan Sivakumar A, Chen X. Betanin Ameliorates Lipopolysaccharide-Induced Acute Lung Injury in Mice via Inhibition of Inflammatory Response and Oxidative Stress. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
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50
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Isocorydine Ameliorates IL-6 Expression in Bone Marrow-Derived Macrophages and Acute Lung Injury Induced by Lipopolysaccharide. Int J Mol Sci 2023; 24:ijms24054629. [PMID: 36902060 PMCID: PMC10003757 DOI: 10.3390/ijms24054629] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 02/16/2023] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
Isocorydine (ICD) is a type of isoquinoline alkaloid originating from Corydalis edulis, which has been used to relieve spasm, dilate blood vessels, and treat malaria as well as hypoxia in clinic. However, its effect on inflammation and underlying mechanisms remains unclear. The aim of our study was to determine the potential effects and mechanisms of ICD on pro-inflammatory interleukin-6 (IL-6) expression in bone marrow-derived macrophages (BMDMs) and acute lung injury mouse model. A mouse model of acute lung injury was established by intraperitoneal injection of LPS and treated with different doses of ICD. The body weight and food intake of mice were monitored to determine the toxicity of ICD. The tissue samples of lung, spleen and blood were taken to assess the pathological symptoms of acute lung injury and the expression levels of IL-6. Further, BMDMs isolated from C57BL/6 mice were cultured in vitro and treated with granulocyte-macrophage colony-stimulating factor (GM-CSF), LPS and different doses of ICD. CCK-8 assay and flow cytometry were performed to assess the viability of BMDMs. The expression of IL-6 was detected by RT-PCR and ELISA. RNA-seq was carried out to detect the differential expression genes of ICD-treated BMDMs. Western blotting was used to detect the change in MAPK and NF-κB signaling pathways. Our findings show that ICD ameliorates IL-6 expression and attenuates phosphorylation of p65 and JNK in BMDMs, and can protect mice from acute lung injury.
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