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Wei J, Tian Y, Wei J, Guan M, Yu X, Xie J, Fan G. Bilirubin regulates cell death type by alleviating macrophage mitochondrial dysfunction caused by cigarette smoke extract. Redox Rep 2024; 29:2382946. [PMID: 39074442 PMCID: PMC11288206 DOI: 10.1080/13510002.2024.2382946] [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] [Indexed: 07/31/2024] Open
Abstract
OBJECTIVES To explore the effects and mechanisms of bilirubin on mitochondrial function and type of macrophage cell death after exposure to cigarette smoke extract (CSE). METHODS RAW264.7 macrophages were treated with different concentrations of CSE and bilirubin solutions and divided into four groups: control, CSE, bilirubin, and bilirubin + CSE groups. The necrotic and apoptotic states of the macrophages were determined using an Annexin V-fluorescein 5-isothiocyanate/propidium iodide (FITC/PI) staining kit. Cytoplasmic NOD-like receptor family, pyrin domain containing 3 (NLRP3) expression in macrophages was detected by immunofluorescence and the levels of IL-1β and IL-18 in the supernatants of culture medium were detected by enzyme linked immunosorbent assay (ELISA) test. A JC-1 mitochondrial membrane potential detection kit was used to assess mitochondrial membrane damage and the adenosine triphosphate (ATP) assay kit was used to determine intracellular ATP levels. After the macrophages were stained with reactive oxygen species (ROS) specific dye, 2',7'-Dichlorodihydrofluorescein diacetate (DCFH-DA), the fluorescence intensity and proportion of ROS-positive macrophages were measured using flow cytometry. RESULTS We observed that compared with those of 0 μM (control group), concentrations of 5, 10, or 20 μΜ bilirubin significantly decreased cell viability, which was increased by bilirubin exposure below 1 μM. The effect of CSE on macrophage viability was concentration- and time-dependent. Bilirubin of 0.2 μM could alleviate the inhibition of macrophage viability caused by 5% CSE. In addition, bilirubin intervention could reduce the occurrence of necrosis and pyroptosis to a certain extent. CONCLUSIONS CSE could cause mitochondrial dysfunction in macrophages, as demonstrated by a decrease in mitochondrial membrane potential and intracellular ATP levels and an increase in ROS production, while bilirubin could relieve mitochondrial dysfunction caused by CSE.
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Affiliation(s)
- Jingjing Wei
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Yuan Tian
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jinshu Wei
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Meiqi Guan
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Xiaoya Yu
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Jianing Xie
- Department of Pediatrics, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
| | - Guoquan Fan
- School of Basic Medical Science, Shanxi Medical University, Taiyuan, Shanxi, People’s Republic of China
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Vilas-Boas V, Chatterjee N, Carvalho A, Alfaro-Moreno E. Particulate matter-induced oxidative stress - Mechanistic insights and antioxidant approaches reported in in vitro studies. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 110:104529. [PMID: 39127435 DOI: 10.1016/j.etap.2024.104529] [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: 05/16/2024] [Revised: 07/24/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
Inhaled particulate matter (PM) is a key factor in millions of yearly air pollution-related deaths worldwide. The oxidative potential of PM indicates its ability to promote an oxidative environment. Excessive reactive oxygen species (ROS) can cause cell damage via oxidative stress, leading to inflammation, endoplasmic reticulum stress, airway remodeling, and various cell death modes (apoptosis, ferroptosis, pyroptosis). ROS can also interact with macromolecules, inducing DNA damage and epigenetic modifications, disrupting homeostasis. These effects have been studied extensively in vitro and confirmed in vivo. This review explores the oxidative potential of airborne particles and PM-induced ROS-mediated cellular damage observed in vitro, highlighting the link between oxidative stress, inflammation, and cell death modes described in the latest literature. The review also analyzes the effects of ROS on DNA damage, repair, carcinogenicity, and epigenetics. Additionally, the latest developments on the potential of antioxidants to prevent ROS's harmful effects are described, providing future perspectives on the topic.
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Affiliation(s)
- Vânia Vilas-Boas
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal.
| | - Nivedita Chatterjee
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - Andreia Carvalho
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
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3
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Wang Y, Feng W, Li S, Liu C, Jia L, Wang P, Li L, Du H, Yu W. Oxycodone attenuates lipopolysaccharide-induced myocardial injury by inhibiting inflammation, oxidation and pyroptosis via Nrf2/HO-1 signalling pathway. Clin Exp Pharmacol Physiol 2024; 51:e13910. [PMID: 39073215 DOI: 10.1111/1440-1681.13910] [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: 01/07/2024] [Revised: 05/27/2024] [Accepted: 06/20/2024] [Indexed: 07/30/2024]
Abstract
Myocardial injury and cardiovascular dysfunction are the most common complications of sepsis, and effective therapeutic candidate is still lacking. This study aims to investigate the protective effect of oxycodone in myocardial injury of lipopolysaccharide-induced sepsis and its related signalling pathways. Wild-type and nuclear factor erythroid 2-related factor 2 (Nrf2)-knockout mice, as well as H9c2 cardiomyocytes cultures treated with lipopolysaccharide (LPS) were used as models of septic myocardial injury. H9c2 cardiomyocytes culture showed that oxycodone protected cells from pyroptosis induced by LPS. Mice model confirmed that oxycodone pretreatment significantly attenuated myocardial pathological damage and improved cardiac function demonstrated by increased ejection fraction (EF) and fractional shortening (FS), as well as decreased cardiac troponin I (cTnI) and creatine kinase isoenzymes MB (CK-MB). Oxycodone also reduced the levels of inflammatory factors and oxidative stress damage induced by LPS, which involves pyroptosis-related proteins including: Nod-like receptor protein 3 (NLRP3), Caspase 1, Apoptosis-associated speck-like protein contain a CARD (ASC), and Gasdermin D (GSDMD). These changes were mediated by Nrf2 and heme oxygenase-1 (HO-1) because Nrf2-knockout mice or Nrf2 knockdown in H9c2 cells significantly reversed the beneficial effect of oxycodone on oxidative stress, inflammatory responses and NLRP3-mediated pyroptosis. Our findings yielded that oxycodone therapy reduces LPS-induced myocardial injury by suppressing NLRP3-mediated pyroptosis via the Nrf2/HO-1 signalling pathway in vivo and in vitro.
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Affiliation(s)
- Yanting Wang
- The First Central Clinical College, Tianjin Medical University, Tianjin, China
| | - Wei Feng
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shaona Li
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Cuicui Liu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lili Jia
- Department of Anesthesiology, Tianjin First Central Hospital, Tianjin, China
| | - Pei Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Linlin Li
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hongyin Du
- Tianjin Municipal Health Commission, Tianjin, China
| | - Wenli Yu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
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4
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Panganiban RA, Nadeau KC, Lu Q. Pyroptosis, gasdermins and allergic diseases. Allergy 2024; 79:2380-2395. [PMID: 39003568 PMCID: PMC11368650 DOI: 10.1111/all.16236] [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: 03/05/2024] [Revised: 07/01/2024] [Accepted: 07/04/2024] [Indexed: 07/15/2024]
Abstract
Pyroptosis is an inflammatory form of programmed cell death that is distinct from necrosis and apoptosis. Pyroptosis is primarily mediated by the gasdermin family of proteins (GSDMA-E and PVJK), which, when activated by proteolytic cleavage, form pores in the plasma membrane, leading to cell death. While much of the past research on pyroptosis has focused on its role in cancer, metabolic disorders, and infectious diseases, recent experimental and observational studies have begun to implicate pyroptosis in allergic diseases. These studies suggest that gasdermin-mediated pyroptosis contributes to the development of allergic conditions and could offer novel targets for therapy. Here, we review our current understanding of pyroptosis with an emphasis on the role of gasdermins as executioners of pyroptosis and potential mediators to allergic disease. We highlight new discoveries that establish a mechanistic link between the biochemical actions of gasdermins and the onset of allergic diseases. Additionally, we discuss how pyroptosis and gasdermins might contribute to the dysfunction of epithelial barrier, a key factor believed to initiate the progression of various allergic diseases.
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Affiliation(s)
- Ronald Allan Panganiban
- Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Kari C Nadeau
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
- Division of Allergy and Inflammation, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
| | - Quan Lu
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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5
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Wang G, Li H, Hu X, Wang Y, Zhu G, Zhou H, Liang Z, Wang Z, Nuessler A, Lin Z, Xie H, Zhu S. Exploring the relationship between pyroptosis and inflammatory bone loss: Evidence from a cigarette smoke-induced osteoporosis mouse model. Heliyon 2024; 10:e35715. [PMID: 39170204 PMCID: PMC11336831 DOI: 10.1016/j.heliyon.2024.e35715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/31/2024] [Accepted: 08/01/2024] [Indexed: 08/23/2024] Open
Abstract
Smoking is by far one of the greatest public health threats and is recognized as an important predisposing factor for osteoporosis. Exposure to cigarette smoke (CS) has been reported to be associated with inflammation-associated diseases through the induction of pyroptosis. Nevertheless, the correlation between pyroptosis and bone loss induced by CS remains uninvestigated. Here, a mouse model of mainstream smoke exposure-induced osteoporosis was established. μCT, biomechanical testing, and immunohistochemical staining of bone tissue were used to assess the deleterious effects of CS on bone metabolism. In vitro, the effects of cigarette smoke extracts (CSE) on mouse primary bone marrow-derived mesenchymal stem cells (BMSCs) were tested by cell viability assays, gene and protein expression assays, and alizarin red staining. The utilization of the pyroptosis inhibitor MCC950 served to confirm the critical role of BMSCs pyroptosis in CS-induced osteoporosis. Our results indicated that exposure to mainstream smoke led to a notable decrease in the quantity of osteoblasts and hindered the process of osteogenic differentiation in mice. Additionally, there was a significant increase in the expression of pyroptosis-related proteins in the bone marrow. The inhibitory effects of CSE on cell viability and osteogenic differentiation of BMSCs were found to be dose-dependent in vitro. However, the presence of the pyroptosis inhibitor MCC950 significantly improved the impaired osteogenic differentiation and bone mineralization caused by CSE. These results highlight the crucial involvement of BMSCs pyroptosis in the development of bone loss induced by CS. In summary, the findings of this study provide novel evidence that CS exerts a detrimental effect on the process of osteogenesis in BMSCs through the induction of pyroptosis, ultimately leading to bone loss. Inhibition of pyroptosis effectively attenuated the toxicological effects of CS on BMSCs, providing a new target for preventing inflammatory osteoporosis.
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Affiliation(s)
- Guang Wang
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Hongming Li
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Xinyue Hu
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Yiyi Wang
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Guoqiang Zhu
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Hongliang Zhou
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Zilin Liang
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Zhenxing Wang
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Andreas Nuessler
- Department of Trauma and Reconstructive Surgery, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076, Tuebingen, Germany
| | - Zhangyuan Lin
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Hui Xie
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
| | - Sheng Zhu
- Department of Orthopedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- Movement System Injury and Repair Research Center, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China
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Liu C, Zhu J, Zhao L, Li G, Sun J, Zhang S, Liang X. Blood MALT1 reflects acute exacerbation risk and inflammation in elderly chronic obstructive pulmonary disease patients. Biomark Med 2024; 18:513-521. [PMID: 39136445 PMCID: PMC11364060 DOI: 10.1080/17520363.2024.2347199] [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: 04/14/2023] [Accepted: 03/01/2024] [Indexed: 08/30/2024] Open
Abstract
Aim: This study intended to investigate the ability of blood MALT1 to estimate acute exacerbation risk in elderly chronic obstructive pulmonary disease (COPD) patients.Methods: Blood MALT1 was detected in 176 elderly COPD patients (aged more than 60 years).Results: MALT1 was elevated in patients with COPD acute exacerbation versus patients with stable COPD (p < 0.001). In patients with COPD acute exacerbation, MALT1 was negatively related to forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) (p = 0.024) and FEV1% predicted (p = 0.002), but positively linked with global initiative for chronic obstructive lung disease stage (p = 0.005).Conclusion: Blood MALT1 reflects increased acute exacerbation risk and inflammation in elderly COPD patients.
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Affiliation(s)
- Cui Liu
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Jinsong Zhu
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Lei Zhao
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Guanying Li
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Jiawei Sun
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Shengli Zhang
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
| | - Xijun Liang
- Department of Respiratory Medicine, Cangzhou People's Hospital, Cangzhou061000, China
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7
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Liao K, Wang F, Xia C, Xu Z, Zhong S, Bi W, Ruan J. The cGAS-STING pathway in COPD: targeting its role and therapeutic potential. Respir Res 2024; 25:302. [PMID: 39113033 PMCID: PMC11308159 DOI: 10.1186/s12931-024-02915-x] [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: 03/27/2024] [Accepted: 07/12/2024] [Indexed: 08/10/2024] Open
Abstract
Chronic obstructive pulmonary disease(COPD) is a gradually worsening and fatal heterogeneous lung disease characterized by airflow limitation and increasingly decline in lung function. Currently, it is one of the leading causes of death worldwide. The consistent feature of COPD is airway inflammation. Several inflammatory factors are known to be involved in COPD pathogenesis; however, anti-inflammatory therapy is not the first-line treatment for COPD. Although bronchodilators, corticosteroids and roflumilast could improve airflow and control symptoms, they could not reverse the disease. The cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) signaling pathway plays an important novel role in the immune system and has been confirmed to be a key mediator of inflammation during infection, cellular stress, and tissue damage. Recent studies have emphasized that abnormal activation of cGAS-STING contributes to COPD, providing a direction for new treatments that we urgently need to develop. Here, we focused on the cGAS-STING pathway, providing insight into its molecular mechanism and summarizing the current knowledge on the role of the cGAS-STING pathway in COPD. Moreover, we explored antagonists of cGAS and STING to identify potential therapeutic strategies for COPD that target the cGAS-STING pathway.
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Affiliation(s)
- Kexin Liao
- First Clinical Medical College, Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Fengshuo Wang
- College of Pharmacy, Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Chenhao Xia
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Ze Xu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Sen Zhong
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Wenqi Bi
- First Clinical Medical College, Anhui Medical University, Hefei, 230022, People's Republic of China
| | - Jingjing Ruan
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, People's Republic of China.
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Singh N, Nagar E, Roy D, Arora N. NLRP3/GSDMD mediated pyroptosis induces lung inflammation susceptibility in diesel exhaust exposed mouse strains. Gene 2024; 918:148459. [PMID: 38608794 DOI: 10.1016/j.gene.2024.148459] [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: 12/14/2023] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 04/14/2024]
Abstract
BACKGROUND Genetic diversity among species influences the disease severity outcomes linked to air pollution. However, the mechanism responsible for this variability remain elusive and needs further investigation. OBJECTIVE To investigate the genetic factors and pathways linked with differential susceptibility in mouse strains associated with diesel exhaust exposure. METHODS C57BL/6 and Balb/c mice were exposed to diesel exhaust (DE) for 5 days/week for 30 min/day for 8 weeks. Body weight of mice was recorded every week and airway hyperresponsiveness towards DE exposure was recorded after 24 h of last exposure. Mice were euthanised to collect BALF, blood, lung tissues for immunobiochemical assays, structural integrity and genetic studies. RESULTS C57BL/6 mice showed significantly decreased body weight in comparison to Balb/c mice (p < 0.05). Both mouse strains showed lung resistance and damage to elastance upon DE exposure compared to respective controls (p < 0.05) with more pronounced effects in C57BL/6 mice. Lung histology showed increase in bronchiolar infiltration and damage to the wall in C57BL/6 mice (p < 0.05). DE exposure upregulated pro-inflammatory and Th2 cytokine levels in C57BL/6 in comparison to Balb/c mice. C57BL/6 mice showed increase in Caspase-1 and ASC expression confirming activation of downstream pathway. This showed significant activation of inflammasome pathway in C57BL/6 mice with ∼2-fold increase in NLRP3 and elevated IL-1β expression. Gasdermin-D levels were increased in C57BL/6 mice demonstrating induction of pyroptosis that corroborated with IL-1β secretion (p < 0.05). Genetic variability among both species was confirmed with sanger's sequencing suggesting presence of SNPs in 3'UTRs of IL-1β gene influencing expression between mouse strains. CONCLUSIONS C57BL/6 mice exhibited increased susceptibility to diesel exhaust in contrast to Balb/c mice via activation of NLRP3-related pyroptosis. Differential susceptibility between strains may be attributed via SNPs in the 3'UTRs of the IL-1β gene.
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Affiliation(s)
- Naresh Singh
- Allergy and Immunology Section, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ekta Nagar
- Allergy and Immunology Section, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Deepti Roy
- Allergy and Immunology Section, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India
| | - Naveen Arora
- Allergy and Immunology Section, CSIR-Institute of Genomics and Integrative Biology, Delhi 110007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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9
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Wu K, Luan G, Hu J, Zhu Z, Kong Z, Yin S. Astragaloside IV Reduces Lung Epithelial Cell Pyroptosis via TXNIP-NLRP3-GSDMD pathway. Cell Biochem Biophys 2024:10.1007/s12013-024-01457-9. [PMID: 39096465 DOI: 10.1007/s12013-024-01457-9] [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] [Accepted: 07/23/2024] [Indexed: 08/05/2024]
Abstract
This study aimed to investigate the detrimental impact of cigarettes on lung cells and the potential effects of astragaloside IV on lung epithelial cell oxidative stress and pyroptosis. The research utilized cigarette smoke extract (CSE) to stimulate lung epithelial cells BEAS-2B, assessed cytotoxicity using the CCK-8 method, and measured changes in reactive oxygen species (ROS) and mitochondrial membrane potential with a probe method. Additionally, Seahorse XF24 was employed to analyze the impact of CSE on mitochondria in lung epithelial cells. Furthermore, LPS and cigarette combination-treated mice were created, alveolar damage was evaluated using HE staining, and changes in the key protein GSDMD of pyroptosis were detected using western blot (WB). The study also utilized the CCK-8 method to assess the potential toxic effects of astragaloside IV on lung epithelial cells, and the probe method to monitor changes in ROS and mitochondrial membrane potential. WB analysis was conducted to observe protein alterations in the TXNIP/NLRP3/GSDMD pathway. CSE concentration-dependently reduced cell activity, increased cellular ROS levels, and decreased mitochondrial membrane potential. CSE also decreases basal respiratory capacity, respiratory reserve capacity, and ATP production levels in cells. In LPS and cigarette combination-treated mice, cigarette smoke caused the alveolar septum to break and alveoli to enlarge, while increasing the expression of pyroptosis-related protein GSDMD. Astragaloside IV did not show significant cytotoxic effects within 48 h of treatment and could reduce CSE-induced ROS levels while increasing mitochondrial membrane potential. WB results indicated that astragaloside IV reduced the activation of the TXNIP/NLRP3/GSDMD signaling pathway in lung epithelial cells exposed to CSE. Our study demonstrates that CSE induces oxidative stress and impairs mitochondrial function in pulmonary epithelial cells, while astragaloside IV can potentially reverse these effects by inhibiting the TXNIP-NLRP3-GSDMD signaling pathway, thereby mitigating CSE-induced pulmonary disease and epithelial cell pyroptosis.
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Affiliation(s)
- Kaiyue Wu
- Central Laboratory, Shanghai Sixth People's Hospital, Shanghai, 201306, China
| | - Guangxin Luan
- Central Laboratory, Shanghai Sixth People's Hospital, Shanghai, 201306, China
| | - Jianying Hu
- Department of Diagnostic and Interventional Radiology, Shanghai Sixth People's Hospital, Shanghai, 201306, China
| | - Zhen Zhu
- Department of Respiratory and Critical Care Medicine, Shanghai Sixth People's Hospital, Shanghai, 201306, China
| | - Zhibin Kong
- Department of Respiratory and Critical Care Medicine, Shanghai Sixth People's Hospital, Shanghai, 201306, China.
| | - Shaojun Yin
- Department of Respiratory and Critical Care Medicine, Shanghai Sixth People's Hospital, Shanghai, 201306, China.
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10
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Dino P, Giuffrè MR, Buscetta M, Di Vincenzo S, La Mensa A, Cristaldi M, Bucchieri F, Lo Iacono G, Bertani A, Pace E, Cipollina C. Release of IL-1β and IL-18 in human primary bronchial epithelial cells exposed to cigarette smoke is independent of NLRP3. Eur J Immunol 2024:e2451053. [PMID: 39072707 DOI: 10.1002/eji.202451053] [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: 02/06/2024] [Revised: 07/16/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
Cigarette smoke (CS) is a major risk factor for chronic lung diseases and promotes activation of pattern recognition receptors in the bronchial epithelium. NOD-like receptor family, pyrin domain-containing 3 (NLRP3) is a pattern recognition receptor whose activation leads to caspase-1 cleavage, maturation/release of IL-1β and IL-18, and eventually pyroptosis. Whether the NLRP3 inflammasome participates in CS-induced inflammation in bronchial epithelial cells is still unclear. Herein, we evaluated the involvement of NLRP3 in CS-induced inflammatory responses in human primary bronchial epithelial cells. To this purpose, human primary bronchial epithelial cells were stimulated with CS extracts (CSE) and lytic cell death, caspase activation (-1, -8, -3/7), cytokine release (IL-1β, IL-18, and IL-8), NLRP3, pro-IL-1β/pro-IL-18 mRNA, and protein expression were measured. The impact of inhibitors of NLRP3 (MCC950), caspases, and the effect of the antioxidant N-acetyl cysteine were evaluated. We found that CSE increased pro-IL-1β expression and induced activation of caspase-1 and release of IL-1β and IL-18. These events were independent of NLRP3 and we found that NLRP3 was not expressed. N-acetyl cysteine reverted CSE-induced caspase-1 activation. Overall, our findings support that the bronchial epithelium may play a central role in the release of IL-1 family cytokines independently of NLRP3 in the lungs of smokers.
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Affiliation(s)
- Paola Dino
- Ri.MED Foundation, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
- Ospedale Civile di Venezia SS. Giovanni e Paolo, Venezia, Italy
| | | | | | | | - Agnese La Mensa
- Ri.MED Foundation, Palermo, Italy
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | | | - Fabio Bucchieri
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
| | | | | | - Elisabetta Pace
- Istituto di Farmacologia Traslazionale (IFT)-CNR, Palermo, Italy
| | - Chiara Cipollina
- Ri.MED Foundation, Palermo, Italy
- Istituto di Farmacologia Traslazionale (IFT)-CNR, Palermo, Italy
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Shen YX, Lee PS, Wang CC, Teng MC, Huang JH, Fan HF. Exploring the Cellular Impact of Size-Segregated Cigarette Aerosols: Insights into Indoor Particulate Matter Toxicity and Potential Therapeutic Interventions. Chem Res Toxicol 2024; 37:1171-1186. [PMID: 38870402 PMCID: PMC11256904 DOI: 10.1021/acs.chemrestox.4c00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
Exposure to anthropogenic aerosols has been associated with a variety of adverse health effects, increased morbidity, and premature death. Although cigarette smoke poses one of the most significant public health threats, the cellular toxicity of particulate matter contained in cigarette smoke has not been systematically interrogated in a size-segregated manner. In this study, we employed a refined particle size classification to collect cigarette aerosols, enabling a comprehensive assessment and comparison of the impacts exerted by cigarette aerosol extract (CAE) on SH-SY5Y, HEK293T, and A549 cells. Exposure to CAE reduced cell viability in a dose-dependent manner, with organic components having a greater impact and SH-SY5Y cells displaying lower tolerance compared to HEK293T and A549 cells. Moreover, CAE was found to cause increased oxidative stress, mitochondrial dysfunction, and increased levels of apoptosis, pyroptosis, and autophagy, leading to increased cell death. Furthermore, we found that rutin, a phytocompound with antioxidant potential, could reduce intracellular reactive oxygen species and protect against CAE-triggered cell death. These findings underscore the therapeutic potential of antioxidant drugs in mitigating the adverse effects of cigarette aerosol exposure for better public health outcomes.
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Affiliation(s)
- Yu-Xin Shen
- Institute
of Medical Science and Technology, National
Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
| | - Pe-Shuen Lee
- Institute
of Medical Science and Technology, National
Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
| | - Chia C. Wang
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
| | - Ming-Chu Teng
- Institute
of Medical Science and Technology, National
Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
| | - Jhih-Hong Huang
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
| | - Hsiu-Fang Fan
- Institute
of Medical Science and Technology, National
Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department
of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Aerosol
Science Research Center, National Sun Yat-sen
University, Kaohsiung 804, Taiwan
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12
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Ni X, Hong H, Xu H, Qi M, Xu S. Exposure to Trimethyltin Chloride Induces Pyroptosis and Immune Dysfunction in Grass Carp CIK Cells by Activating the NF-κB Pathway Through Oxidative Stress. ENVIRONMENTAL TOXICOLOGY 2024. [PMID: 39004893 DOI: 10.1002/tox.24371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 04/24/2024] [Accepted: 05/11/2024] [Indexed: 07/16/2024]
Abstract
Trimethyltin chloride (TMT) is a highly toxic organotin pollutant frequently found in aquatic environments, posing a significant threat to the ecological system. The kidney plays a vital role in the body's detoxification processes, and TMT present in the environment tends to accumulate in the kidneys. However, it remained unclear whether exposure to different doses of TMT could induce pyroptosis and immune dysfunction in grass carp kidney cells (CIK cells). For this purpose, after assessing the half-maximal inhibitory concentration (IC50) of TMT on CIK cells, we established a model for exposure of CIK cells at varying concentrations of TMT. CIK cells were treated with various doses of TMT (2.5, 5, 10 μM) for 24 h. Oxidative stress levels were measured using kits and fluorescence methods, whereas the expression of related genes was verified through western blot and quantitative real-time PCR (qRT-PCR). The results indicated that TMT exposure led to oxidative stress, with increased levels of ROS, H2O2, MDA, and GSH, and inhibited activities of T-AOC, SOD, and CAT. It activated the NF-κB pathway, leading to the upregulation of NF-κB p65, NF-κB p50, GSDMD, NLRP3, ASC, and Caspase-1. Furthermore, TMT exposure also resulted in increased expression of cytokines (IL-18, IL-6, IL-2, IL-1β, and TNF-α) and decreased expression of antimicrobial peptides (LEAP2, HEPC, and β-defensin). In summary, exposure to TMT induces dose-dependent oxidative stress that activates the NF-κB pathway, leading to pyroptosis and immune dysfunction in grass carp CIK cells.
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Affiliation(s)
- Xiaotong Ni
- College of Animal Science and Technology, Tarim University, Alar, Xinjiang, People's Republic of China
| | - Haozheng Hong
- College of Animal Science and Technology, Tarim University, Alar, Xinjiang, People's Republic of China
| | - Haotian Xu
- College of Animal Science and Technology, Tarim University, Alar, Xinjiang, People's Republic of China
- Engineering Laboratory for Tarim Animal Diseases Diagnosis and Control of Xinjiang Production & Construction Corps, Alar, Xinjiang, People's Republic of China
| | - Meng Qi
- College of Animal Science and Technology, Tarim University, Alar, Xinjiang, People's Republic of China
- Engineering Laboratory for Tarim Animal Diseases Diagnosis and Control of Xinjiang Production & Construction Corps, Alar, Xinjiang, People's Republic of China
| | - Shiwen Xu
- College of Animal Science and Technology, Tarim University, Alar, Xinjiang, People's Republic of China
- Engineering Laboratory for Tarim Animal Diseases Diagnosis and Control of Xinjiang Production & Construction Corps, Alar, Xinjiang, People's Republic of China
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13
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Ramachandran R, Manan A, Kim J, Choi S. NLRP3 inflammasome: a key player in the pathogenesis of life-style disorders. Exp Mol Med 2024; 56:1488-1500. [PMID: 38945951 PMCID: PMC11297159 DOI: 10.1038/s12276-024-01261-8] [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: 11/10/2023] [Revised: 02/27/2024] [Accepted: 03/25/2024] [Indexed: 07/02/2024] Open
Abstract
Proinflammatory cytokines and chemokines play a crucial role in regulating the inflammatory response, which is essential for the proper functioning of our immune system. When infections or threats to the body's defense mechanisms are detected, the innate immune system takes the lead. However, an excessive inflammatory response can lead to the production of high concentrations of cytotoxic molecules, resulting in tissue damage. Inflammasomes are significant contributors to innate immunity, and one of the most extensively studied inflammasome complexes is NOD-like receptor 3 (NLRP3). NLRP3 has a wide range of recognition mechanisms that streamline immune activation and eliminate pathogens. These cytosolic multiprotein complexes are composed of effector, adaptor, and sensor proteins, which are crucial for identifying intracellular bacterial breakdown products and initiating an innate immune cascade. To understand the diverse behavior of NLRP3 activation and its significance in the development of lifestyle-related diseases, one must delve into the study of the immune response and apoptosis mediated by the release of proinflammatory cytokines. In this review, we briefly explore the immune response in the context of lifestyle associated disorders such as obesity, hyperlipidemia, diabetes, chronic respiratory disease, oral disease, and cardiovascular disease.
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Affiliation(s)
- Rajath Ramachandran
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Korea.
| | - Abdul Manan
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Korea
| | - Jei Kim
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Korea
- S&K Therapeutics, Ajou University Campus Plaza 418, 199 Worldcup-ro, Yeongtong-gu, Suwon, 16502, Korea
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Korea.
- S&K Therapeutics, Ajou University Campus Plaza 418, 199 Worldcup-ro, Yeongtong-gu, Suwon, 16502, Korea.
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14
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Shu HM, Lin CQ, He B, Wang W, Wang L, Wu T, He HJ, Wang HJ, Zhou HP, Ding GZ. Pyroptosis-Related Genes as Diagnostic Markers in Chronic Obstructive Pulmonary Disease and Its Correlation with Immune Infiltration. Int J Chron Obstruct Pulmon Dis 2024; 19:1491-1513. [PMID: 38957709 PMCID: PMC11217143 DOI: 10.2147/copd.s438686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 06/12/2024] [Indexed: 07/04/2024] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) stands as a predominant cause of global morbidity and mortality. This study aims to elucidate the relationship between pyroptosis-related genes (PRGs) and COPD diagnosis in the context of immune infiltration, ultimately proposing a PRG-based diagnostic model for predicting COPD outcomes. Methods Clinical data and PRGs of COPD patients were sourced from the GEO database. The "ConsensusClusterPlus" package was employed to generate molecular subtypes derived from PRGs that were identified through differential expression analysis and LASSO Cox analysis. A diagnostic signature including eight genes (CASP4, CASP5, ELANE, GPX4, NLRP1, GSDME, NOD1and IL18) was also constructed. Immune cell infiltration calculated by the ESTIMATE score, Stroma scores and Immune scores were also compared on the basis of pyroptosis-related molecular subtypes and the risk signature. We finally used qRT - PCR to detect the expression levels of eight genes in COPD patient and normal. Results The diagnostic model, anchored on eight PRGs, underwent validation with an independent experimental cohort. The area under the receiver operating characteristic (ROC) curves (AUC) for the diagnostic model showcased values of 0.809, 0.765, and 0.956 for the GSE76925, GSE8545, and GSE5058 datasets, respectively. Distinct expression patterns and clinical attributes of PRGs were observed between the comparative groups, with functional analysis underscoring a disparity in immune-related functions between them. Conclusion In this study, we developed a potential as diagnostic biomarkers for COPD and have a significant role in modulating the immune response. Such insights pave the way for novel diagnostic and therapeutic strategies for COPD.
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Affiliation(s)
- Hong-Mei Shu
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Chang-Qing Lin
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Bei He
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Wang Wang
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Ling Wang
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Ting Wu
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Hai-Juan He
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Hui-Juan Wang
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - He-Ping Zhou
- Neurosurgery Department, Anqing Municipal Hospital, Anhui, People’s Republic of China
| | - Guo-Zheng Ding
- Department of Pulmonary and Critical Care Medicine, Anqing Municipal Hospital, Anhui, People’s Republic of China
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15
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Xu L, Wang Y, Chen Q, Zhu X, Hong J. Propofol modulates Nrf2/NLRP3 signaling to ameliorate cigarette smoke-induced damage in human bronchial epithelial cells. Tissue Cell 2024; 88:102341. [PMID: 38479189 DOI: 10.1016/j.tice.2024.102341] [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: 12/26/2023] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 06/17/2024]
Abstract
Cigarette smoke extract (CSE) is known as a significant contributor to chronic obstructive pulmonary disease (COPD). Propofol, an anesthetic agent, has been studied for its potential protective effects against lung damage. This study aimed to elucidate the protective mechanisms of propofol against CSE-induced damage in human bronchial epithelial 16HBE cells. In CSE-induced 16HBE cells treated by propofol with or without transfection of nuclear factor erythroid 2-related factor 2 (Nrf2) interference plasmids, CCK-8 assay and lactate dehydrogenase (LDH) assay evaluated cytotoxicity. TUNEL assay and Western blot appraised cell apoptosis. ELISA and relevant assay kits severally measured inflammatory and oxidative stress levels. DCFH-DA fluorescent probe detected intracellular reactive oxygen species (ROS) activity. Immunofluorescence staining and Western blot estimated pyroptosis. Also, Western blot analyzed the expression of Nrf2/NLR family pyrin domain containing 3 (NLRP3) signaling-related proteins. Propofol was found to enhance the viability, reduce LDH release, and alleviate the apoptosis, inflammatory response, oxidative stress and pyroptosis in CSE-induced 16HBE cells in a concentration-dependent manner. Meanwhile, propofol decreased NLRP3 expression while raised Nrf2 expression. Further, after Nrf2 was silenced, the impacts of propofol on Nrf2/NLRP3 signaling, LDH release, apoptosis, inflammatory response, oxidative stress and pyroptosis in CSE-exposed 16HBE cells were eliminated. Conclusively, propofol may exert protective effects against CSE-induced damage in 16HBE cells, partly through the modulation of the Nrf2/NLRP3 signaling pathway, suggesting a potential therapeutic role for propofol in CSE-induced bronchial epithelial cell damage.
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Affiliation(s)
- Linmei Xu
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, Fujian 361000, China; The School of Clinical Medicine, Fujian Medical University, Fujian 361000, China
| | - Yanbin Wang
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, Fujian 361000, China
| | - Qumin Chen
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, Fujian 361000, China
| | - Xiaolei Zhu
- Department of Thoracic Surgery, the First Affiliated Hospital of Xiamen University, Fujian 361000, China
| | - Jiageng Hong
- Department of Anesthesiology, the First Affiliated Hospital of Xiamen University, Fujian 361000, China; The School of Clinical Medicine, Fujian Medical University, Fujian 361000, China.
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16
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He Q, Li P, Han L, Yang C, Jiang M, Wang Y, Han X, Cao Y, Liu X, Wu W. Revisiting airway epithelial dysfunction and mechanisms in chronic obstructive pulmonary disease: the role of mitochondrial damage. Am J Physiol Lung Cell Mol Physiol 2024; 326:L754-L769. [PMID: 38625125 DOI: 10.1152/ajplung.00362.2023] [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: 11/22/2023] [Revised: 03/20/2024] [Accepted: 04/10/2024] [Indexed: 04/17/2024] Open
Abstract
Chronic exposure to environmental hazards causes airway epithelial dysfunction, primarily impaired physical barriers, immune dysfunction, and repair or regeneration. Impairment of airway epithelial function subsequently leads to exaggerated airway inflammation and remodeling, the main features of chronic obstructive pulmonary disease (COPD). Mitochondrial damage has been identified as one of the mechanisms of airway abnormalities in COPD, which is closely related to airway inflammation and airflow limitation. In this review, we evaluate updated evidence for airway epithelial mitochondrial damage in COPD and focus on the role of mitochondrial damage in airway epithelial dysfunction. In addition, the possible mechanism of airway epithelial dysfunction mediated by mitochondrial damage is discussed in detail, and recent strategies related to airway epithelial-targeted mitochondrial therapy are summarized. Results have shown that dysregulation of mitochondrial quality and oxidative stress may lead to airway epithelial dysfunction in COPD. This may result from mitochondrial damage as a central organelle mediating abnormalities in cellular metabolism. Mitochondrial damage mediates procellular senescence effects due to mitochondrial reactive oxygen species, which effectively exacerbate different types of programmed cell death, participate in lipid metabolism abnormalities, and ultimately promote airway epithelial dysfunction and trigger COPD airway abnormalities. These can be prevented by targeting mitochondrial damage factors and mitochondrial transfer. Thus, because mitochondrial damage is involved in COPD progression as a central factor of homeostatic imbalance in airway epithelial cells, it may be a novel target for therapeutic intervention to restore airway epithelial integrity and function in COPD.
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Affiliation(s)
- Qinglan He
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Peijun Li
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lihua Han
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Chen Yang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Meiling Jiang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Yingqi Wang
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaoyu Han
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Yuanyuan Cao
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Xiaodan Liu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Weibing Wu
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
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17
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He YJ, Chen YR, Song JR, Jiang JX, Liu TT, Li JY, Li L, Jia J. Ubiquitin-specific protease-7 promotes expression of airway mucin MUC5AC via the NF-κB signaling pathway. Heliyon 2024; 10:e30967. [PMID: 38778971 PMCID: PMC11109812 DOI: 10.1016/j.heliyon.2024.e30967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 05/04/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and other respiratory diseases frequently present with airway mucus hypersecretion, which not only affects the patient's quality of life but also poses a constant threat to their life expectancy. Ubiquitin-specific protease 7 (USP7), a deubiquitinating enzyme, affects cell differentiation, tissue growth, and disease development. However, its role in airway mucus hypersecretion induced by COPD remains elusive. In this study, USP7 expression was significantly upregulated in airway epithelial samples from patients with COPD, and USP7 was also overexpressed in mouse lung and human airway epithelial cells in models of airway mucus hypersecretion. Inhibition of USP7 reduced the expression of nuclear factor kappa B (NF-κB), phosphorylated-NF-κB (p-NF-κB), and phosphonated inhibitor of nuclear factor kappa B (p-IκBα), and alleviated the airway mucus hypersecretion in vivo and in vitro. Further research revealed that USP7 stimulated airway mucus hypersecretion through the activation of NF-κB nuclear translocation. In addition, the expression of mucin 5AC (MUC5AC) was suppressed by the NF-κB inhibitor erdosteine. These findings suggest that USP7 stimulates the NF-κB signaling pathway, which promotes airway mucus hypersecretion. This study identifies one of the mechanisms regulating airway mucus secretion and provides a new potential target for its prevention and treatment.
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Affiliation(s)
- Yi-Jing He
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Laboratory of Neurological Diseases and Brain Function, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Yi-Rong Chen
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jia-Rui Song
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jin-Xiu Jiang
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Ting-Ting Liu
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jia-Yao Li
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Liu Li
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jing Jia
- Department of Anesthesiology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Anesthesiology and Critical Care Medicine Key Laboratory of Luzhou, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
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18
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Prince Y, Davison GM, Davids SF, Erasmus RT, Kengne AP, Raghubeer S, Matsha TE. The effect of cigarette smoking on the oral microbiota in a South African population using subgingival plaque samples. Heliyon 2024; 10:e31559. [PMID: 38831830 PMCID: PMC11145493 DOI: 10.1016/j.heliyon.2024.e31559] [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: 11/13/2023] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 06/05/2024] Open
Abstract
Disturbances in the oral microbiota may be due to several mechanisms and factors, such as smoking. An imbalance in oral bacteria may result in changes to the innate immune system and the development of periodontal disease. This study aimed to investigate the distribution of oral microbiota in smokers and non-smokers in a South African population using subgingival plaque samples. From the 128 recruited participants, 57 were identified as smokers (serum cotinine: >15 ng/ml). Analysis of 16S rRNA gene sequencing demonstrated significant differences between the two groups with a reduced abundance of Actinobacteria in smokers. Fusobacterium and Campylobacter were found in higher abundance, while a lower abundance of Leptotrichia, Actinomyces, Corynebacterium, and Lautropia were observed. This study highlighted significant differences in the oral microbiota of smokers, indicating an abundance of anaerobic gram-negative bacteria. These findings suggest that smoking allows certain oral microorganisms to gain dominance, thereby predisposing individuals to periodontal disease development and progression.
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Affiliation(s)
- Yvonne Prince
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Glenda M. Davison
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Saarah F.G. Davids
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Rajiv T. Erasmus
- Department of Pathology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Andre P. Kengne
- Non-communicable Diseases Research Unit, South African Medical Research Council, Cape Town, South Africa
- Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - Shanel Raghubeer
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
| | - Tandi E. Matsha
- SAMRC/CPUT/Cardiometabolic Health Research Unit, Department of Biomedical Sciences, Faculty of Health and Wellness Sciences, Cape Peninsula University of Technology, Bellville, South Africa
- Sefako Makgatho Health Sciences University, Ga-Rankuwa, South Africa
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19
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Yu Y, Miao TW, Xiao W, Mao B, Du LY, Wang Y, Fu JJ. Andrographolide Attenuates NLRP3 Inflammasome Activation and Airway Inflammation in Exacerbation of Chronic Obstructive Pulmonary Disease. Drug Des Devel Ther 2024; 18:1755-1770. [PMID: 38808326 PMCID: PMC11131956 DOI: 10.2147/dddt.s445788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 05/09/2024] [Indexed: 05/30/2024] Open
Abstract
Purpose The aim of this study is to uncover the anti-inflammatory propertity of andrographolide (AGP) in acute exacerbation of chronic obstructive pulmonary disease (AECOPD) and the underlying mechanisms related to the nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3) inflammasome pathway. Methods An in vivo experiment was conducted on murine model of AECOPD through endotracheal atomization of elastase and lipopolysaccharide (LPS). Intraperitoneal AGP was administered four times. NLRP3 inflammasome pathway molecules were examined using real-time quantitative polymerase chain reaction (RT-qPCR) and Western blot analysis. By using enzyme-linked immunosorbent assay (ELISA), we tested interleukin (IL)-1β levels in bronchoalveolar lavage fluid. An in vitro study was conducted to determine how AGP impacts the NLRP3 inflammasome in THP-1 derived macrophages. The levels of molecules involved in the pathway were measured. Furthermore, molecular docking analyses were carried out to investigate the interactions between AGP and pathway targets. Results In the in vivo study, NLRP3 inflammasome activation was observed in mice experiencing AECOPD. The administration of high-dose AGP demonstrated a mitigating effect on inflammatory cells infiltration in the lungs. Moreover, AGP administration effectively suppressed the expression of NLRP3, apoptosis associated speck-like protein that contains a CARD (PYCARD), cysteinyl aspartate-specific protease-1 (Caspase-1), IL-1β, and IL-18 at both the genetic and protein levels. In the in vitro experiment, IL-1β levels were significantly elevated in THP-1 derived macrophages with activated inflammasome compared to the control group. Furthermore, the downregulation of NLRP3, CASP1, and IL1B genes was observed upon the inhibition of NLRP3 expression through small interfering RNA (siRNA). AGP demonstrated inhibitory effects on the gene expression and protein levels of NLRP3, Caspase-1, and IL-1β. Additionally, molecular docking analysis confirmed that AGP exhibited a favorable binding affinity with all five targets of the pathway. Conclusion AGP effectively inhibited NLRP3 inflammasome activation and mitigated the inflammatory reaction of AECOPD both in animal models and in vitro experiments, highlighting the potential of AGP as a treatment for AECOPD with anti-inflammatory properties.
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Affiliation(s)
- Yan Yu
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Ti-wei Miao
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Wei Xiao
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Bing Mao
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Long-yi Du
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Yan Wang
- Research Core Facility, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
| | - Juan-juan Fu
- Division of Pulmonary Medicine, Department of Internal Medicine, Institute of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China
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Hung TW, Hsieh YH, Lee HL, Ting YH, Lin CL, Chao WW. Renoprotective effect of rosmarinic acid by inhibition of indoxyl sulfate-induced renal interstitial fibrosis via the NLRP3 inflammasome signaling. Int Immunopharmacol 2024; 135:112314. [PMID: 38788450 DOI: 10.1016/j.intimp.2024.112314] [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: 01/11/2024] [Revised: 05/10/2024] [Accepted: 05/19/2024] [Indexed: 05/26/2024]
Abstract
We previously reported that rosmarinic acid (RA) ameliorated renal fibrosis in a unilateral ureteral obstruction (UUO) murine model of chronic kidney disease. This study aimed to determine whether RA attenuates indoxyl sulfate (IS)-induced renal fibrosis by regulating the activation of the NLRP3 inflammasome/IL-1β/Smad circuit. We discovered the NLRP3 inflammasome was activated in the IS treatment group and downregulated in the RA-treated group in a dose-dependent manner. Additionally, the downstream effectors of the NLRP3 inflammasome, cleaved-caspase-1 and cleaved-IL-1β showed similar trends in different groups. Moreover, RA administration significantly decreased the ROS levels of reactive oxygen species in IS-treated cells. Our data showed that RA treatment significantly inhibited Smad-2/3 phosphorylation. Notably, the effects of RA on NLRP3 inflammasome/IL-1β/Smad and fibrosis signaling were reversed by the siRNA-mediated knockdown of NLRP3 or caspase-1 in NRK-52E cells. In vivo, we demonstrated that expression levels of NLRP3, c-caspase-1, c-IL-1β, collagen I, fibronectin and α-SMA, and TGF- β 1 were downregulated after treatment of UUO mice with RA or RA + MCC950. Our findings suggested RA and MCC950 synergistically inhibited UUO-induced NLRP3 signaling activation, revealing their renoprotective properties and the potential for combinatory treatment of renal fibrosis and chronic kidney inflammation.
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Affiliation(s)
- Tung-Wei Hung
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; Division of Nephrology, Department of Medicine, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Yi-Hsien Hsieh
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; Department of Medical Research, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Hsiang-Lin Lee
- School of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; Deptartment of Surgery, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Yi-Hsuan Ting
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Chu-Liang Lin
- Institute of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Wen-Wan Chao
- Department of Nutrition and Health Sciences, Kainan University, Taoyuan 33857, Taiwan.
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21
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Park HS, Lee BC, Chae DH, Yu A, Park JH, Heo J, Han MH, Cho K, Lee JW, Jung JW, Dunbar CE, Oh MK, Yu KR. Cigarette smoke impairs the hematopoietic supportive property of mesenchymal stem cells via the production of reactive oxygen species and NLRP3 activation. Stem Cell Res Ther 2024; 15:145. [PMID: 38764093 PMCID: PMC11103961 DOI: 10.1186/s13287-024-03731-2] [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: 01/14/2024] [Accepted: 04/10/2024] [Indexed: 05/21/2024] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) play important roles in tissue homeostasis by providing a supportive microenvironmental niche for the hematopoietic system. Cigarette smoking induces systemic abnormalities, including an impeded recovery process after hematopoietic stem cell transplantation. However, the role of cigarette smoking-mediated alterations in MSC niche function have not been investigated. METHODS In the present study, we investigated whether exposure to cigarette smoking extract (CSE) disrupts the hematopoietic niche function of MSCs, and pathways impacted. To investigate the effects on bone marrow (BM)-derived MSCs and support of hematopoietic stem and progenitor cells (HSPCs), mice were repeatedly infused with the CSE named 3R4F, and hematopoietic stem and progenitor cells (HSPCs) supporting function was determined. The impact of 3R4F on MSCs at cellular level were screened by bulk-RNA sequencing and subsequently validated through qRT-PCR. Specific inhibitors were treated to verify the ROS or NLRP3-specific effects, and the cells were then transplanted into the animal model or subjected to coculture with HSPCs. RESULTS Both direct ex vivo and systemic in vivo MSC exposure to 3R4F resulted in impaired engraftment in a humanized mouse model. Furthermore, transcriptomic profile analysis showed significantly upregulated signaling pathways related to reactive oxygen species (ROS), inflammation, and aging in 3R4F-treated MSCs. Notably, ingenuity pathway analysis revealed the activation of NLRP3 inflammasome signaling pathway in 3R4F-treated MSCs, and pretreatment with the NLRP3 inhibitor MCC950 rescued the HSPC-supporting ability of 3R4F-treated MSCs. CONCLUSION In conclusion, these findings indicate that exposure to CSE reduces HSPCs supportive function of MSCs by inducing robust ROS production and subsequent NLRP3 activation.
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Affiliation(s)
- Hyun Sung Park
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Byung-Chul Lee
- Department of Biological Sciences, Sookmyung Women's University, Seoul, Korea
- Research Institute of Women's Health, Sookmyung Women's University, Seoul, Korea
| | - Dong-Hoon Chae
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Aaron Yu
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Jae Han Park
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Jiyoung Heo
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Myoung Hee Han
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Keonwoo Cho
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea
| | - Joong Won Lee
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Cheongju, Korea
| | - Ji-Won Jung
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Cheongju, Korea
| | - Cynthia E Dunbar
- Translational Stem Cell Biology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD, USA
| | - Mi-Kyung Oh
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
| | - Kyung-Rok Yu
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Korea.
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22
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Marín-Palma D, Tabares-Guevara JH, Taborda N, Rugeles MT, Hernandez JC. Coarse particulate matter (PM10) induce an inflammatory response through the NLRP3 activation. J Inflamm (Lond) 2024; 21:15. [PMID: 38698414 PMCID: PMC11064351 DOI: 10.1186/s12950-024-00388-9] [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: 10/07/2023] [Accepted: 04/25/2024] [Indexed: 05/05/2024] Open
Abstract
INTRODUCTION PM exposure can induce inflammatory and oxidative responses; however, differences in these adverse effects have been reported depending on the chemical composition and size. Moreover, inflammatory mechanisms such as NLRP3 activation by PM10 have yet to be explored. OBJECTIVE To assess the impact of PM10 on cell cytotoxicity and the inflammatory response through in vitro and in vivo models. METHODOLOGY Peripheral blood mononuclear cells (PBMCs) from healthy donors were exposed to PM10. Cytotoxicity was determined using the LDH assay; the expression of inflammasome components and the production of pro-inflammatory cytokines were quantified through qPCR and ELISA, respectively; and the formation of ASC complexes was examined using confocal microscopy. For in vivo analysis, male C57BL6 mice were intranasally challenged with PM10 and bronchoalveolar lavage fluid was collected to determine cell counts and quantification of pro-inflammatory cytokines by ELISA. RNA was extracted from lung tissue, and the gene expression of inflammatory mediators was quantified. RESULTS PM10 exposure induced significant cytotoxicity at concentrations over 100 µg/mL. Moreover, PM10 enhances the gene expression and release of pro-inflammatory cytokines in PBMCs, particularly IL-1β; and induces the formation of ASC complexes in a dose-dependent manner. In vivo, PM10 exposure led to cell recruitment to the lungs, which was characterized by a significant increase in polymorphonuclear cells compared to control animals. Furthermore, PM10 induces the expression of several inflammatory response-related genes, such as NLRP3, IL-1β and IL-18, within lung tissue. CONCLUSION Briefly, PM10 exposure reduced the viability of primary cells and triggered an inflammatory response, involving NLRP3 inflammasome activation and the subsequent production of IL-1β. Moreover, PM10 induces the recruitment of cells to the lung and the expression of multiple cytokines; this phenomenon could contribute to epithelial damage and, thus to the development and exacerbation of respiratory diseases such as viral infections.
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Affiliation(s)
- Damariz Marín-Palma
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Jorge H Tabares-Guevara
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Natalia Taborda
- Grupo de Investigaciones Biomédicas Uniremington, Programa de Medicina, Facultad de Ciencias de la Salud, Corporación Universitaria Remington, Medellín, Colombia
| | - Maria T Rugeles
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Juan C Hernandez
- Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia.
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia.
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23
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Xie WM, Su W, Liu XY, Zhou J, Wang M, Wang Y, Wang W, Bai X, Li Z, Li T. FTO Deficiency Alleviates LPS-induced Acute Lung Injury by TXNIP/NLRP3-mediated Alveolar Epithelial Cell Pyroptosis. Am J Respir Cell Mol Biol 2024; 70:351-363. [PMID: 38271683 DOI: 10.1165/rcmb.2023-0251oc] [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: 07/09/2023] [Accepted: 01/25/2024] [Indexed: 01/27/2024] Open
Abstract
N6-methyladenosine (m6A) plays a role in various diseases, but it has rarely been reported in acute lung injury (ALI). The FTO (fat mass and obesity-associated) protein can regulate mRNA metabolism by removing m6A residues. The aim of this study was to examine the role and mechanism of the m6A demethylase FTO in LPS-induced ALI. Lung epithelial FTO-knockout mice and FTO-knockdown/overexpression human alveolar epithelial (A549) cell lines were constructed to evaluate the effects of FTO on ALI. Bioinformatics analysis and a series of in vivo and in vitro assays were used to examine the mechanism of FTO regulation. Rescue assays were conducted to examine whether the impact of FTO on ALI depended on the TXNIP/NLRP3 pathway. In LPS-induced ALI, RNA m6A modification amounts were upregulated, and FTO expression was downregulated. In vivo, lung epithelial FTO knockout alleviated alveolar structure disorder, tissue edema, and pulmonary inflammation and improved the survival of ALI mice. In vitro, FTO knockdown reduced A549 cell damage and death induced by LPS, whereas FTO overexpression exacerbated cell damage and death. Mechanistically, bioinformatics analysis revealed that TXNIP was a downstream target of FTO. FTO deficiency mitigated pyroptosis in LPS-induced ALI via the TXNIP/NLRP3 pathway. Rescue assays confirmed that the impact of FTO on the TXNIP/NLRP3 pathway was significantly reversed by the TXNIP inhibitor SRI-37330. Deficiency of FTO alleviates LPS-induced ALI via TXNIP/NLRP3 pathway-mediated alveolar epithelial cell pyroptosis, which might be a novel therapeutic strategy for combating ALI.
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Affiliation(s)
- Wei-Ming Xie
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Wei Su
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Xin-Yu Liu
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Junhao Zhou
- School of Laboratory Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Min Wang
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Yuchang Wang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Wei Wang
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Xiangjun Bai
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Zhanfei Li
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
| | - Tianyu Li
- Division of Trauma Surgery, Emergency Surgery & Surgical Critical, Tongji Trauma Center, and
- Department of Emergency and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
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24
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Chung C, Park SY, Huh JY, Kim NH, Shon C, Oh EY, Park YJ, Lee SJ, Kim HC, Lee SW. Fine particulate matter aggravates smoking induced lung injury via NLRP3/caspase-1 pathway in COPD. J Inflamm (Lond) 2024; 21:13. [PMID: 38654364 DOI: 10.1186/s12950-024-00384-z] [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: 10/22/2022] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Exposure to noxious particles, including cigarette smoke and fine particulate matter (PM2.5), is a risk factor for chronic obstructive pulmonary disease (COPD) and promotes inflammation and cell death in the lungs. We investigated the combined effects of cigarette smoking and PM2.5 exposure in patients with COPD, mice, and human bronchial epithelial cells. METHODS The relationship between PM2.5 exposure and clinical parameters was investigated in patients with COPD based on smoking status. Alveolar destruction, inflammatory cell infiltration, and pro-inflammatory cytokines were monitored in the smoking-exposed emphysema mouse model. To investigate the mechanisms, cell viability and death and pyroptosis-related changes in BEAS-2B cells were assessed following the exposure to cigarette smoke extract (CSE) and PM2.5. RESULTS High levels of ambient PM2.5 were more strongly associated with high Saint George's respiratory questionnaire specific for COPD (SGRQ-C) scores in currently smoking patients with COPD. Combined exposure to cigarette smoke and PM2.5 increased mean linear intercept and TUNEL-positive cells in lung tissue, which was associated with increased inflammatory cell infiltration and inflammatory cytokine release in mice. Exposure to a combination of CSE and PM2.5 reduced cell viability and upregulated NLRP3, caspase-1, IL-1β, and IL-18 transcription in BEAS-2B cells. NLRP3 silencing with siRNA reduced pyroptosis and restored cell viability. CONCLUSIONS PM2.5 aggravates smoking-induced airway inflammation and cell death via pyroptosis. Clinically, PM2.5 deteriorates quality of life and may worsen prognosis in currently smoking patients with COPD.
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Affiliation(s)
- Chiwook Chung
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Department of Pulmonary and Critical Care Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Republic of Korea
| | - Suk Young Park
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
| | - Jin-Young Huh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Chung- Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Republic of Korea
| | - Na Hyun Kim
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
| | - ChangHo Shon
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Efficacy Evaluation Center, WOOJUNGBIO Inc, Hwaseong, Republic of Korea
| | - Eun Yi Oh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Department of Physiology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young-Jun Park
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Seon-Jin Lee
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, College of Medicine, Inha University, Incheon, Republic of Korea
| | - Sei Won Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea.
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25
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Wei J, Wang D, Cui C, Tan J, Peng M, Lu H. CXCL4/CXCR3 axis regulates cardiac fibrosis by activating TGF-β1/Smad2/3 signaling in mouse viral myocarditis. Immun Inflamm Dis 2024; 12:e1237. [PMID: 38577984 PMCID: PMC10996374 DOI: 10.1002/iid3.1237] [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: 12/05/2023] [Revised: 03/06/2024] [Accepted: 03/14/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND Severe myocarditis is often accompanied by cardiac fibrosis, but the underlying mechanism has not been fully elucidated. CXCL4 is a chemokine that has been reported to have pro-inflammatory and profibrotic functions. The exact role of CXCL4 in cardiac fibrosis remains unclear. METHODS Viral myocarditis (VMC) models were induced by intraperitoneal injection of Coxsackie B Type 3 (CVB3). In vivo, CVB3 (100 TCID50) and CVB3-AMG487 (CVB3: 100 TCID50; AMG487: 5 mg/kg) combination were administered in the VMC and VMC+AMG487 groups, respectively. Hematoxylin and eosin staining, severity score, Masson staining, and immunofluorescence staining were performed to measure myocardial morphology in VMC. Enzyme-linked immunosorbent assay (ELISA) and quantitative reverse transcription polymerase chain reaction (qRT-PCR) were performed to quantify inflammatory factors (IL-1β, IL-6, TNF-α, and CXCL4). Aspartate aminotransferase (AST), lactate dehydrogenase (LDH), and creatine kinase-myocardial band (CK-MB) levels were analyzed by commercial kits. CXCL4, CXCR3B, α-SMA, TGF-β1, Collagen I, and Collagen III were determined by Western blot and immunofluorescence staining. RESULTS In vivo, CVB3-AMG487 reduced cardiac injury, α-SMA, Collagen I and Collagen III levels, and collagen deposition in VMC+AMG487 group. Additionally, compared with VMC group, VMC+AMG group decreased the levels of inflammatory factors (IL-1β, IL-6, and TNF-α). In vitro, CXCL4/CXCR3B axis activation TGF-β1/Smad2/3 pathway promote mice cardiac fibroblasts differentiation. CONCLUSION CXCL4 acts as a profibrotic factor in TGF-β1/Smad2/3 pathway-induced cardiac fibroblast activation and ECM synthesis, and eventually progresses to cardiac fibrosis. Therefore, our findings revealed the role of CXCL4 in VMC and unveiled its underlying mechanism. CXCL4 appears to be a potential target for the treatment of VMC.
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Affiliation(s)
- Jing Wei
- Department of Laboratory Medicine, Nanjing First HospitalNanjing Medical UniversityNanjingChina
| | - Dan‐feng Wang
- Department of Laboratory MedicineJiangning Hospital Affiliated to Nanjing Medical UniversityNanjingChina
| | - Cong‐cong Cui
- Department of Laboratory MedicineJiangning Hospital Affiliated to Nanjing Medical UniversityNanjingChina
| | - Jia‐jia Tan
- Department of Laboratory MedicineJiangning Hospital Affiliated to Nanjing Medical UniversityNanjingChina
| | - Ming‐yu Peng
- Department of Laboratory MedicineJiangning Hospital Affiliated to Nanjing Medical UniversityNanjingChina
| | - Hong‐xiang Lu
- Department of Laboratory Medicine, Nanjing First HospitalNanjing Medical UniversityNanjingChina
- Department of Laboratory MedicineJiangning Hospital Affiliated to Nanjing Medical UniversityNanjingChina
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26
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Zheng H, Wang G, Wang Y, Wang Q, Sun T. Combined analysis of bulk RNA and single-cell RNA sequencing to identify pyroptosis-related markers and the role of dendritic cells in chronic obstructive pulmonary disease. Heliyon 2024; 10:e27808. [PMID: 38509896 PMCID: PMC10950670 DOI: 10.1016/j.heliyon.2024.e27808] [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: 09/30/2023] [Revised: 02/23/2024] [Accepted: 03/06/2024] [Indexed: 03/22/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by dyspnea caused by airflow limitation. Further development may lead to decreased lung function and other lung diseases. Pyroptosis is a type of programmed cell death that involves multiple pathways. For example, the pathway induced by the NLR family pyrin domain containing 3 (NLRP3) inflammasome is closely associated with COPD exacerbation. Therefore, in this study, various machine learning algorithms were applied to screen for diagnostically relevant pyroptosis-related genes from the GEO dataset, and the results were verified using external datasets. The results showed that deep neural networks and logistic regression algorithms had the highest AUC of 0.91 and 0.74 in the internal and external test sets, respectively. Here, we explored the immune landscape of COPD using diagnosis-related genes. We found that the infiltrating abundance of dendritic cells significantly differed between the COPD and control groups. Finally, the communication patterns of each cell type were explored based on scRNA-seq data. The critical role of significant pathways involved in communication between DCS and other cell populations in the occurrence and progression of COPD was identified.
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Affiliation(s)
- Huiyan Zheng
- Department of Health Management Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Guifeng Wang
- Department of Health Management Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yunlai Wang
- Department of Health Management Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qixian Wang
- Department of Health Management Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ting Sun
- Department of Health Management Center, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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27
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Duan JX, Guan XX, Cheng W, Deng DD, Chen P, Liu C, Zhou Y, Hammock BD, Yang HH. COX-2/sEH-Mediated Macrophage Activation Is a Target for Pulmonary Protection in Mouse Models of Chronic Obstructive Pulmonary Disease. J Transl Med 2024; 104:100319. [PMID: 38158123 DOI: 10.1016/j.labinv.2023.100319] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024] Open
Abstract
Effective inhibition of macrophage activation is critical for resolving inflammation and restoring pulmonary function in patients with chronic obstructive pulmonary disease (COPD). In this study, we identified the dual-enhanced cyclooxygenase-2 (COX-2)/soluble epoxide hydrolase (sEH) as a novel regulator of macrophage activation in COPD. Both COX-2 and sEH were found to be increased in patients and mice with COPD and in macrophages exposed to cigarette smoke extract. Pharmacological reduction of the COX-2 and sEH by 4-(5-phenyl-3-{3-[3-(4-trifluoromethylphenyl)-ureido]-propyl}-pyrazol-1-yl)-benzenesulfonamide (PTUPB) effectively prevented macrophage activation, downregulated inflammation-related genes, and reduced lung injury, thereby improving respiratory function in a mouse model of COPD induced by cigarette smoke and lipopolysaccharide. Mechanistically, enhanced COX-2/sEH triggered the activation of the NACHT, LRR, and PYD domains-containing protein 3 inflammasome, leading to the cleavage of pro-IL-1β into its active form in macrophages and amplifying inflammatory responses. These findings demonstrate that targeting COX-2/sEH-mediated macrophage activation may be a promising therapeutic strategy for COPD. Importantly, our data support the potential use of the dual COX-2 and sEH inhibitor PTUPB as a therapeutic drug for the treatment of COPD.
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Affiliation(s)
- Jia-Xi Duan
- Department of Geriatrics, Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, China; Department of Pulmonary and Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xin-Xin Guan
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Wei Cheng
- Department of Pulmonary and Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Ding-Ding Deng
- Department of Respiratory Medicine, First Affiliated People's Hospital of Shaoyang College, Shaoyang, China
| | - Ping Chen
- Department of Pulmonary and Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Cong Liu
- Department of Pulmonary and Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yong Zhou
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Bruce D Hammock
- Department of Entomology and Nematology and UC Davis Comprehensive Cancer Center, University of California, Davis, One Shields Avenue, Davis, California
| | - Hui-Hui Yang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha, China.
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28
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Li H, Wang R, Wei X, Zhang C, Pei W, Zhang X, Yang Z, Li Z, Zhang Y, Shi Y, Wang Y, Wang X. GSTP1 rs4147581 C>G and NLRP3 rs3806265 T>C as Risk Factors for Chronic Obstructive Pulmonary Disease: A Case-Control Study. Int J Chron Obstruct Pulmon Dis 2024; 19:489-500. [PMID: 38410140 PMCID: PMC10896110 DOI: 10.2147/copd.s445680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 01/31/2024] [Indexed: 02/28/2024] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a chronic respiratory ailment influenced by a blend of genetic and environmental factors. Inflammatory response and an imbalance in oxidative-antioxidant mechanisms constitute the primary pathogenesis of COPD. Glutathione S-transferase P1(GSTP1) plays a pivotal role as an antioxidant enzyme in regulating oxidative-antioxidant responses in the pulmonary system. The activation of the NOD-like receptor thermal protein domain (NLRP3) inflammatory vesicle can trigger an inflammatory response. Several investigations have implicated GSTP1 and NLRP3 in the progression of COPD; nonetheless, there remains debate regarding this mechanism. Methods Employing a case-control study design, 312 individuals diagnosed with COPD and 314 healthy controls were recruited from Gansu Province to evaluate the correlation between GSTP1 (rs4147581C>G and rs1695A>G) and NLRP3 (rs3806265T>C and rs10754558G>C) polymorphisms and the susceptibility to COPD. Results The presence of the GSTP1 rs4147581G allele substantially elevated the susceptibility to COPD (CGvs.CC:OR=3.11,95% CI=1.961-4.935, P<0.001;GGvs.CC:OR=2.065,95% CI=1.273-3.350, P=0.003; CG+GGvs.CC:OR=2.594,95% CI=1.718-3.916, P<0.001). Similarly, the NLRP3rs3806265T allele significantly increased the susceptibility to COPD (TC:TT:OR=0.432,95% CI=0.296-0.630; TC+CCvs.TT:OR=2.132,95% CI=1.479-3.074, P<0.001). However, no statistically significant association was discerned between the rs1695A>G and rs10754558G>C polymorphisms and COPD susceptibility (P>0.05). Conclusion In summary, this study ascertained that the GSTP1 rs4147581C>G polymorphism is associated with increased COPD susceptibility, with the G allele elevating the risk of COPD. Similarly, the NLRP3 rs3806265T>C polymorphism is linked to elevated COPD susceptibility, with the T allele heightening the risk of COPD.
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Affiliation(s)
- Honge Li
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Raorao Wang
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Xueyan Wei
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Chunyan Zhang
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Wenhui Pei
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Xuhui Zhang
- Department of Respiratory Medicine, Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Zhen Yang
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Zhi Li
- The State Key Laboratory of Respiratory Disease, The First Affiliated Hospital, Institute of Public Health, Guangzhou Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Yuhuan Zhang
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Yanli Shi
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Yunchao Wang
- Institute of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
| | - Xinhua Wang
- Institute of Public Health, Gansu University of Chinese Medicine, Lanzhou, Gansu, People’s Republic of China
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Zhang Y, Wang J, Wang Y, Lei K. Nrf2/HO-1 signaling activation alleviates cigarette smoke-induced inflammation in chronic obstructive pulmonary disease by suppressing NLRP3-mediated pyroptosis. J Cardiothorac Surg 2024; 19:58. [PMID: 38317168 PMCID: PMC10840299 DOI: 10.1186/s13019-024-02530-3] [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: 12/05/2022] [Accepted: 01/28/2024] [Indexed: 02/07/2024] Open
Abstract
BACKGROUND This study examined the effect of the nuclear factor erythroid 2-related factor 2 (Nrf2)/heme oxygenase 1 (HO-1) pathway on chronic obstructive pulmonary disease (COPD) and the potential molecular mechanism. METHODS A COPD mouse model was established by cigarette smoke exposure and administered with either ML385 or dimethyl fumarate (DMF). Airway resistance of mice was detected. IL-1β and IL-6 levels in mice alveolar lavage fluid were examined by enzyme-linked immunosorbent assay. Hematoxylin and eosin staining and immunohistochemical of lung tissues were utilized to detect lung injury and NLRP3 expression. DMF was used to treat COPD cell model constructed by exposing normal human bronchial epithelial (NHBE) cells to cigarette smoke extract. NHBE cells were transfected by NLRP3-expression vectors. Expression of proteins was detected by Western blot. RESULTS COPD mice showed the enhanced airway resistance, the inactivated Nrf2/HO-1 pathway and the overexpressed NLRP3, Caspase-1 and GSDMD-N proteins in lung tissues, and the increased IL-1β and IL-6 levels in alveolar lavage fluid. ML385 treatment augmented these indicators and lung injury in COPD mice. However, DMF intervention attenuated these indicators and lung injury in COPD mice. Nrf2/HO-1 pathway inactivation and overexpression of NLRP3, Caspase-1 and GSDMD-N proteins were observed in COPD cells. DMF intervention activated Nrf2/HO-1 pathway and down-regulated NLRP3, Caspase-1 and GSDMD-N proteins in COPD cells. However, NLRP3 overexpression abolished the effect of DMF on COPD cells. CONCLUSION Nrf2/HO-1 pathway activation may alleviate inflammation in COPD by suppressing the NLRP3-related pyroptosis. Activating the Nrf2/HO-1 pathway may be an effective method to treat COPD.
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Affiliation(s)
- Yanan Zhang
- Department of Respiratory and Critical Care Medicine, General Hospital of Ningxia Medical University, 804 Shengli South Street, Yinchuan, 750004, China.
| | | | | | - Kai Lei
- Ningxia Medical University, Yinchuan, China
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Wang H, Lu F, Tian Y, Zhang S, Han S, Fu Y, Li J, Feng P, Shi Z, Chen H, Hou H. Evaluation of toxicity of heated tobacco products aerosol and cigarette smoke to BEAS-2B cells based on 3D biomimetic chip model. Toxicol In Vitro 2024; 94:105708. [PMID: 37806364 DOI: 10.1016/j.tiv.2023.105708] [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: 05/23/2023] [Revised: 08/28/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
It is still a controversial topic about evaluating whether heated tobacco products (HTP) really reduce harm, which involves the choice of an experimental model. Here, a three-dimensional (3D) biomimetic chip model was used to evaluate the toxicity of aerosols came from HTP and smoke produced by cigarettes (Cig). Based on cell-related experiments, we found that the toxicity of Cig smoke extract diluted four times was also much higher than that of undiluted HTP, showing higher oxidative stress response and cause mitochondrial dysfunction. Meanwhile, both tobacco products all affect the tricarboxylic acid cycle (TCA), which is manifested by a significant decrease in the mRNA expression of TCA key rate-limiting enzymes. Summarily, 3D Biomimetic chip technology can be used as an ideal model to evaluate HTP. It can provide important data for tobacco risk assessment when 3D chip model was used. Our experimental results showed that HTP may be less harmful than tobacco cigarettes, but it does show significant cytotoxicity with the increase of dose. Therefore, the potential clinical effects of HTP on targeted organs such as lung should be further studied.
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Affiliation(s)
- Hongjuan Wang
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China
| | - Fengjun Lu
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China
| | - Yushan Tian
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China
| | - Sen Zhang
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, China
| | - Shulei Han
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China
| | - Yaning Fu
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China
| | - Jun Li
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China
| | - Pengxia Feng
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China
| | - Zhihao Shi
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China
| | - Huan Chen
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China.
| | - Hongwei Hou
- China National Tobacco Quality Supervision &Test Center, Zhengzhou, China; Key Laboratory of Tobacco Biological Effects, Zhengzhou, China; Beijing Institute of Life Science and Technology, Beijing, China; Key Labortory of Tobacco Biological Effects and Biosynthesis, Beijing, China.
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Zhang M, Wang S, Guan Q, Wang J, Yan B, Zhang L, Li D. A bidirectional Mendelian randomization study investigating the relationship between genetically predicted systemic inflammatory regulators and chronic obstructive pulmonary disease. Heliyon 2024; 10:e24109. [PMID: 38268600 PMCID: PMC10806290 DOI: 10.1016/j.heliyon.2024.e24109] [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: 08/06/2023] [Revised: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
Research has shown a connection between inflammation and chronic obstructive pulmonary disease (COPD), however the relationship between inflammation mediators and COPD causation remains unknown. To investigate the causal relationship of mediators of inflammation and COPD, we conducted a two-sample Mendelian randomization (MR) study. In our study, we incorporated 41 regulators of inflammation from 8293 Finnish individuals from genome-wide association studies (GWASs) of COPD corresponding to GWAS summary data for 2115 cases and 454,233 healthy individuals in Europe. Our research validated that higher levels of interleukin 8 (IL-8) are related with a decrease occurrence of COPD (OR = 0.795, 95 % CI = 0.642-0.984, p = 0.035) but that elevated levels of interleukin 18(IL-18) and interleukin 2 (IL-2) may be connected to an amplified risk of COPD (OR = 1.247, 95 % CI = 1.011-1.538; p = 0.039; OR = 1.257, 95 % CI = 1.037-1.523, p = 0.020, respectively). According to our research, cytokines play a crucial role in the development of COPD, and further investigation is necessary to explore the potential of utilizing these cytokines as targets for treatment and prevention of COPD.
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Affiliation(s)
- Mengyuan Zhang
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Shengnan Wang
- Department of Neurology, Neuroscience Center, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Qingtian Guan
- First Hospital of Jilin University, Jilin University, Changchun, Jilin Province, China
| | - Jianglong Wang
- First Operating Room, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Bailing Yan
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Li Zhang
- Department of Cardiology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Dan Li
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin Province, China
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Yao J, Sterling K, Wang Z, Zhang Y, Song W. The role of inflammasomes in human diseases and their potential as therapeutic targets. Signal Transduct Target Ther 2024; 9:10. [PMID: 38177104 PMCID: PMC10766654 DOI: 10.1038/s41392-023-01687-y] [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: 10/28/2022] [Revised: 09/18/2023] [Accepted: 10/13/2023] [Indexed: 01/06/2024] Open
Abstract
Inflammasomes are large protein complexes that play a major role in sensing inflammatory signals and triggering the innate immune response. Each inflammasome complex has three major components: an upstream sensor molecule that is connected to a downstream effector protein such as caspase-1 through the adapter protein ASC. Inflammasome formation typically occurs in response to infectious agents or cellular damage. The active inflammasome then triggers caspase-1 activation, followed by the secretion of pro-inflammatory cytokines and pyroptotic cell death. Aberrant inflammasome activation and activity contribute to the development of diabetes, cancer, and several cardiovascular and neurodegenerative disorders. As a result, recent research has increasingly focused on investigating the mechanisms that regulate inflammasome assembly and activation, as well as the potential of targeting inflammasomes to treat various diseases. Multiple clinical trials are currently underway to evaluate the therapeutic potential of several distinct inflammasome-targeting therapies. Therefore, understanding how different inflammasomes contribute to disease pathology may have significant implications for developing novel therapeutic strategies. In this article, we provide a summary of the biological and pathological roles of inflammasomes in health and disease. We also highlight key evidence that suggests targeting inflammasomes could be a novel strategy for developing new disease-modifying therapies that may be effective in several conditions.
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Affiliation(s)
- Jing Yao
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Keenan Sterling
- Townsend Family Laboratories, Department of Psychiatry, Brain Research Center, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada
| | - Zhe Wang
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Yun Zhang
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, P.R. China.
| | - Weihong Song
- The National Clinical Research Center for Geriatric Disease, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- Townsend Family Laboratories, Department of Psychiatry, Brain Research Center, The University of British Columbia, 2255 Wesbrook Mall, Vancouver, BC, V6T 1Z3, Canada.
- Zhejiang Clinical Research Center for Mental Disorders, Key Laboratory of Alzheimer's Disease of Zhejiang Province, School of Mental Health and The Affiliated Kangning Hospital, Institute of Aging, Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China.
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, 325000, China.
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Wang J, Yu Y, Zhang H, Li L, Wang J, Su S, Zhang Y, Song L, Zhou K. Gypenoside XVII attenuates renal ischemia-reperfusion injury by inhibiting endoplasmic reticulum stress and NLRP3 inflammasome-triggered pyroptosis. Eur J Pharmacol 2024; 962:176187. [PMID: 37984729 DOI: 10.1016/j.ejphar.2023.176187] [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: 06/07/2022] [Revised: 10/24/2023] [Accepted: 11/06/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Renal ischemia-reperfusion (I/R) is one of the main causes of acute kidney injury (AKI), for which there is currently no effective treatment. Recently, the interaction between endoplasmic reticulum (ER) stress and pyroptosis during AKI has been investigated. AIM The purpose of this study was to investigate the protective effects of Gypenoside XVII (GP-17) against I/R-induced renal injury. METHODS In this study, mice were divided into 6 groups, sham group, I/R group, GP-17 low-, medium-, high-dose group, and positive control 4-PBA group. The renal I/R was performed in mice by clamping the bilateral renal pedicles for 40 min, and then reperfusing for 24 h. Blood and kidney samples were collected for analysis. RESULTS The results showed that GP-17 improved renal function and alleviated renal histopathological abnormalities caused by I/R. In addition, GP-17 pretreatment significantly decreased the expression or phosphorylation of ER stress response proteins including BIP, p-PERK, and CHOP. Besides, GP-17 inhibited the expression of pyroptosis proteins including caspase-1, GSDMD, and apoptotic protein BAX. The inflammatory factor IL-1β in these GP-17 pretreatment groups was also significantly reduced. CONCLUSION GP-17 blocked NLRP3 inflammasome activation by inhibiting ERS, thereby inhibiting renal tubular cell pyroptosis and apoptosis, and prevented renal I/R injury.
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Affiliation(s)
- Jiarui Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Yingli Yu
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin, 301617, China.
| | - Haorui Zhang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Li Li
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Jing Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Shijia Su
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Yue Zhang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin, 301617, China
| | - Lei Song
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin, 301617, China
| | - Kun Zhou
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Tianjin Key Laboratory of Chinese Medicine Pharmacology, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin, 301617, China.
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Long J, Xu P, Chen J, Liao J, Sun D, Xiang Z, Ma H, Duan H, Ju M, Ouyang Y. Inflammation and comorbidities of chronic obstructive pulmonary disease: The cytokines put on a mask! Cytokine 2023; 172:156404. [PMID: 37922621 DOI: 10.1016/j.cyto.2023.156404] [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: 05/27/2023] [Revised: 09/19/2023] [Accepted: 10/17/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVE Chronic obstructive pulmonary disease (COPD) is a well-known complex multicomponent disease characterized by systemic inflammation that frequently coexists with other conditions. We investigated the relationship between some inflammatory markers and complications in COPD patients to explore the possible roles of inflammation in these comorbidities. METHODS This study used cross-sectional and case-control methods. We included 336 hospitalized COPD patients, 64 healthy controls, and 42 major depression patients and evaluated all participants using the Hamilton Rating Scale. C-reactive protein (CRP), red blood cell distribution width (RDW), neutrophil/lymphocyte ratio (NLR), platelet/lymphocyte ratio (PLR), monocyte/lymphocyte ratio (MLR), interleukin-1β (IL-1β) and interleukin-6 (IL-6) were collected and measured in the study population. Statistical methods were used to analyze the association of inflammatory markers with COPD comorbidities. RESULTS Cor pulmonale and psychological comorbidities (depression and anxiety) were more common in this study on COPD patients. We found that MLR (OR = 2.054, 95 % CI 1.129-3.735, p = 0.018) and RDW (OR = 1.367, 95 % CI 1.178-1.586, p = 0.000) were related to COPD patients complicated with cor pulmonale, while IL-6 (OR = 1.026, 95 % CI 1.001-1.053, p = 0.045) and RDW (OR = 1.280, 95 % CI 1.055-1.552, p = 0.012) were related to depression symptoms. CONCLUSION MLR, RDW and IL-6 were closely related to cor pulmonale and depression in COPD patients. IL-1 β and IL-6 are closely related to depression in humans.
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Affiliation(s)
- Jian Long
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China; Soochow University Medical College, Suzhou, China
| | - Ping Xu
- Department of Neurology, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou Province, China; Soochow University Medical College, Suzhou, China.
| | - Jie Chen
- Department of Respiratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou, China
| | - Jiangrong Liao
- Department of Respiratory Medicine, Aerospace Hospital, Zunyi City, China
| | - Desheng Sun
- Department of Respiratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou, China
| | | | | | - Haizhen Duan
- Department of Emergency Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi City, China
| | - Mingliang Ju
- Shanghai Mental Health Center Affiliated to School of Medicine, Shanghai Jiao Tong University, Shanghai City, China
| | - Yao Ouyang
- Department of Respiratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi City, Guizhou, China.
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Olímpio F, Andreata-Santos R, Rosa PC, Santos W, Oliveira C, Aimbire F. Lactobacillus rhamnosus Restores Antiviral Signaling and Attenuates Cytokines Secretion from Human Bronchial Epithelial Cells Exposed to Cigarette Smoke and Infected with SARS-CoV-2. Probiotics Antimicrob Proteins 2023; 15:1513-1528. [PMID: 36346611 PMCID: PMC9643982 DOI: 10.1007/s12602-022-09998-2] [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] [Accepted: 09/28/2022] [Indexed: 11/11/2022]
Abstract
Individuals with chronic obstructive pulmonary disease (COPD) are more susceptible to exacerbation crisis triggered by secondary lung infections due to the dysfunction of antiviral signaling, principally via suppression of IFN-γ. Although the probiotic is known for controlling pulmonary inflammation in COPD, the influence of the Lactobacillus rhamnosus (Lr) on antiviral signaling in bronchial epithelium exposed to cigarette smoke extract (CSE) and viruses, remains unknown. Thus, the present study investigated the Lr effect on the antiviral signaling and the secretion of inflammatory mediators from bronchial epithelial cells (16HBE cells) exposed to CSE and SARS-CoV-2. The 16HBE cells were cultured, treated with Lr, stimulated with CSE, and infected with SARS-CoV-2. The cellular viability was evaluated using the MTT assay and cytotoxicity measured by lactate dehydrogenase (LDH) activity. The viral load, TLR2, TLR3, TLR4, TLR7, TLR8, MAVS, MyD88, and TRIF were quantified using specific PCR. The pro-inflammatory mediators were measured by a multiplex biometric immunoassay, and angiotensin converting enzyme 2 (ACE2) activity, NF-κB, RIG-I, MAD5, and IRF3 were measured using specific ELISA kits. Lr decreased viral load, ACE2, pro-inflammatory mediators, TLR2, TLR4, NF-κB, TLR3, TLR7, and TLR8 as well as TRIF and MyD88 expression in CSE and SARS-CoV-2 -exposed 16HBE cells. Otherwise, RIG-I, MAD5, IRF3, IFN-γ, and the MAVS expression were restored in 16HBE cells exposed to CSE and SARS-CoV-2 and treated with Lr. Lr induces antiviral signaling associated to IFN-γ secreting viral sensors and attenuates cytokine storm associated to NF-κB in bronchial epithelial cells, supporting its emerging role in prevention of COPD exacerbation.
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Affiliation(s)
- Fabiana Olímpio
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro De Toledo 720 - 2° Andar, Vila Clementino, São Paulo, SP, 04039-002, Brazil
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Robert Andreata-Santos
- Department of Microbiology, Immunology, and Parasitology, Lab. Retrovirology, Federal University of São Paulo, Rua Botucatu 862 - 6° Andar, Vila Clementino, São Paulo, SP, 04023-062, Brazil
| | - Paloma Cristina Rosa
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Wellington Santos
- Nucleus of Research in Biotechnology - State University of Piaui, Teresina, PI, CEP, 64003-120, Brazil
| | - Carlos Oliveira
- Department of Science and Technology, Postgraduate Program in Biomedical Engineering, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Flavio Aimbire
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro De Toledo 720 - 2° Andar, Vila Clementino, São Paulo, SP, 04039-002, Brazil.
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil.
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Feng M, Yu Y, Chen Y, Yang X, Li B, Jiang W. HBx-induced PLA 2R overexpression mediates podocyte pyroptosis through the ROS-NLRP3 signaling pathway. Ren Fail 2023; 45:2170808. [PMID: 36698326 PMCID: PMC9881671 DOI: 10.1080/0886022x.2023.2170808] [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] [Indexed: 01/27/2023] Open
Abstract
INTRODUCTION Hepatitis B virus-associated glomerulonephritis (HBV-GN) is one of the main types of secondary glomerular diseases, and podocyte injury is an important pathogenic mechanism of HBV-GN, participating in the occurrence and development of HBV-GN. However, the specific mechanism of podocyte injury remains to be studied. METHODS Human renal podocytes cultured in vitro were divided into six groups. The podocyte morphology was observed under a transmission electron microscope, and the expression of M-type phospholipase A2 receptor (M-PLA2R) on the podocyte membrane was observed by indirect immunofluorescence staining under a fluorescence microscope. The pyroptosis rate and reactive oxygen species (ROS) of podocytes were assessed by FLICA/PI double staining and flow cytometry. Western blot (WB) and quantitative real-time PCR (qPCR) were used to determine the expression of PLA2R, nucleotide-binding oligomerization domain-like receptor protein 3 (NLRP3), apoptosis-associated speck-like protein containing card (ASC), caspase-1, IL-1β, and IL-18. RESULTS Hepatitis B virus X (HBx) transfected into human renal podocytes in vitro induced the overexpression of PLA2R. Moreover, the overexpressed PLA2R combined with secretory phospholipase A2 group IB (sPLA2-IB) aggravated podocyte injury and increased the pyroptosis rate. In addition, the expression of ROS, the NLRP3 inflammasome and downstream inflammatory factors was increased. In contrast, after inhibiting the expression of PLA2R and ROS, podocyte damage was alleviated, and the pyroptosis rate and the expression of genes related to the ROS-NLRP3 signaling pathway were decreased. CONCLUSION HBx-induced PLA2R overexpression on the podocyte membrane can significantly upregulate the ROS-NLRP3 signaling pathway, thereby mediating podocyte pyroptosis.
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Affiliation(s)
- Moxuan Feng
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yani Yu
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yueqi Chen
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiaoqian Yang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Baoshuang Li
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Wei Jiang
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China,CONTACT Wei Jiang Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong266003, China
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Pain P, Spinelli F, Gherardi G. Mitochondrial Cation Signalling in the Control of Inflammatory Processes. Int J Mol Sci 2023; 24:16724. [PMID: 38069047 PMCID: PMC10706693 DOI: 10.3390/ijms242316724] [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: 10/23/2023] [Revised: 11/17/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
Mitochondria are the bioenergetic organelles responsible for the maintenance of cellular homeostasis and have also been found to be associated with inflammation. They are necessary to induce and maintain innate and adaptive immune cell responses, acting as signalling platforms and mediators in effector responses. These organelles are also known to play a pivotal role in cation homeostasis as well, which regulates the inflammatory responses through the modulation of these cation channels. In particular, this review focuses on mitochondrial Ca2+ and K+ fluxes in the regulation of inflammatory response. Nevertheless, this review aims to understand the interplay of these inflammation inducers and pathophysiological conditions. In detail, we discuss some examples of chronic inflammation such as lung, bowel, and metabolic inflammatory diseases caused by a persistent activation of the innate immune response due to a dysregulation of mitochondrial cation homeostasis.
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Affiliation(s)
| | | | - Gaia Gherardi
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy; (P.P.); (F.S.)
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Li Y, Zhong G, He T, Quan J, Liu S, Liu Z, Tang Z, Yu W. Effect of arsenic and copper in kidney of mice: Crosstalk between Nrf2/ Keap1 pathway in apoptosis and pyroptosis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115542. [PMID: 37801897 DOI: 10.1016/j.ecoenv.2023.115542] [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: 08/18/2023] [Revised: 09/28/2023] [Accepted: 10/01/2023] [Indexed: 10/08/2023]
Abstract
Arsenic (As) and copper (Cu) are two common contaminants in the environment. When organisms are exposed to As or/ and Cu in large quantities or for sustained periods, oxidative stress is induced, adversely affecting kidney function. However, the molecular mechanisms involved in As or/ and Cu-induced nephrotoxicity remain elusive. In this experiment, wild-type C57BL/6 and Nrf2-knockout mice (n = 24 each) were exposed to arsenic trioxide and copper chloride alone or in combination. Our research findings indicate that exposure to As or/ and Cu can activate the Nrf2 antioxidant pathway by upregulating the levels of Nrf2, HO-1, CAT, and downregulating the level of Keap1, thereby reducing As or/ and Cu-induced oxidative stress. Meanwhile, exposure induced kidney cell pyroptosis and apoptosis by promoting the expression of NLRP3 inflammasomes and Caspase-3, which peaked in mice co-treated with As and Cu. Subsequently, we investigated its role in As or/ and Cu-induced kidney injury by knocking out Nrf2. Our results show that after knocking out Nrf2, the expression of antioxidant factors CAT and HO-1 significantly decreased. Based on the low antioxidant capacity after Nrf2 knockout, the levels of NLRP3 inflammasome, GSDMD, and Caspase1 were significantly upregulated after exposure to As and Cu, indicating more severe cellular pyroptosis. In addition, the level of Caspase3-mediated apoptosis was also more severe. Taken together, there is crosstalk between Nrf2-mediated antioxidant capacity and apoptosis/ pyroptosis induced by exposure to As or/ and Cu. Depletion of Nrf2 alters its antioxidant capacity, ultimately leading to more severe apoptosis, pyroptosis, and nephrotoxicity.
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Affiliation(s)
- Yuanxu Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Gaolong Zhong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Ting He
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Jinwen Quan
- Laboratory Animal Center, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Siying Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Zhonghua Liu
- Laboratory Animal Center, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China.
| | - Wenlan Yu
- Laboratory Animal Center, South China Agricultural University, Guangzhou 510642, Guangdong, PR China.
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Xu Z, Shen J, Lin L, Chen J, Wang L, Deng X, Wu X, Lin Z, Zhang Y, Yu R, Xu Z, Zhang J, Zhang Y, Wang C. Exposure to irregular microplastic shed from baby bottles activates the ROS/NLRP3/Caspase-1 signaling pathway, causing intestinal inflammation. ENVIRONMENT INTERNATIONAL 2023; 181:108296. [PMID: 37924603 DOI: 10.1016/j.envint.2023.108296] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/21/2023] [Accepted: 10/27/2023] [Indexed: 11/06/2023]
Abstract
Irregularly shaped microplastics (MPs) released from infant feeding bottles (PP-IFBs) may exhibit increased cytotoxicity, in contrast to the commonly studied spherical MPs. This study presents an initial analysis of the thermal-oxidative aging process of plastic shedding from feeding bottles, and investigates the inflammatory response induced by these atypical MPs in human intestinal cells (Caco-2). The PP-IFBs' surface displayed non-uniform white patches and increased roughness, revealing substantial structural alteration and shedding, especially during actions such as shaking, boiling water disinfection, and microwave heating. FT-IR and 2D-COS analyses revealed that oxygen targeted the C-H and C-C bonds of polypropylene molecular chain, producing RO· and ·OH, thereby hastening polypropylene degradation. When human intestinal cells were exposed to MPs from PP-IFBs, oxidative stress was triggered, resulting in lowered glutathione levels, augmented reactive oxygen species (ROS), and heightened lipid peroxidation. Elevated levels of pro-inflammatory cytokines (IL-6 and TNFα) signified an active inflammatory process. The inflammatory response was notably more intense when exposed to MPs released through boiling water disinfection and microwave heating treatments, primarily due to the larger quantity of MPs released and their higher proportion of smaller particles. Furthermore, the NLRP3 inflammasome was identified as critical in initiating this inflammatory chain reaction due to the mitochondrial ROS surge caused by MPs exposure. This was further validated by inhibitor studies, emphasizing the role of the ROS/NLRP3/Caspase-1/IL-1β signaling pathway in in promoting intestinal inflammation. Therefore, swift actions are recommended to protect infants against the potential health effects of MPs exposure.
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Affiliation(s)
- Zhimin Xu
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Jiemiao Shen
- Key Lab of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Lihong Lin
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Jieting Chen
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Lei Wang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Nankai University, Tianjin 300350, China
| | - Xingying Deng
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xinyue Wu
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Zheng Lin
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Yuxue Zhang
- College of Resources and Environment, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Renqiang Yu
- Department of Neonatology, Wuxi Maternity and Child Health Care Hospital, Women's Hospital of Jiangnan University, Wuxi, China
| | - Zhihao Xu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinggangshan University, Jian 343009, China
| | - Jiexiang Zhang
- GRG Metrology& Test Group Co., Ltd., Guangzhou 510656, China
| | - Yi Zhang
- Department of Colorectal Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, China.
| | - Chao Wang
- Key Lab of Modern Toxicology of Ministry of Education, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
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Dai Y, Zhou S, Qiao L, Peng Z, Zhao J, Xu D, Wu C, Li M, Zeng X, Wang Q. Non-apoptotic programmed cell deaths in diabetic pulmonary dysfunction: the new side of advanced glycation end products. Front Endocrinol (Lausanne) 2023; 14:1126661. [PMID: 37964954 PMCID: PMC10641270 DOI: 10.3389/fendo.2023.1126661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 09/26/2023] [Indexed: 11/16/2023] Open
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder that affects multiple organs and systems, including the pulmonary system. Pulmonary dysfunction in DM patients has been observed and studied for years, but the underlying mechanisms have not been fully understood. In addition to traditional mechanisms such as the production and accumulation of advanced glycation end products (AGEs), angiopathy, tissue glycation, oxidative stress, and systemic inflammation, recent studies have focused on programmed cell deaths (PCDs), especially the non-apoptotic ones, in diabetic pulmonary dysfunction. Non-apoptotic PCDs (NAPCDs) including autophagic cell death, necroptosis, pyroptosis, ferroptosis, and copper-induced cell death have been found to have certain correlations with diabetes and relevant complications. The AGE-AGE receptor (RAGE) axis not only plays an important role in the traditional pathogenesis of diabetes lung disease but also plays an important role in non-apoptotic cell death. In this review, we summarize novel studies about the roles of non-apoptotic PCDs in diabetic pulmonary dysfunction and focus on their interactions with the AGE-RAGE axis.
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Affiliation(s)
- Yimin Dai
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Shuang Zhou
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Lin Qiao
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Zhao Peng
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Jiuliang Zhao
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Dong Xu
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Chanyuan Wu
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Mengtao Li
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
| | - Qian Wang
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science and Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China
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Chen S, Jiang J, Li T, Huang L. PANoptosis: Mechanism and Role in Pulmonary Diseases. Int J Mol Sci 2023; 24:15343. [PMID: 37895022 PMCID: PMC10607352 DOI: 10.3390/ijms242015343] [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: 09/13/2023] [Revised: 10/09/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
PANoptosis is a newly defined programmed cell death (PCD) triggered by a series of stimuli, and it engages three well-learned PCD forms (pyroptosis, apoptosis, necroptosis) concomitantly. Normally, cell death is recognized as a strategy to eliminate unnecessary cells, inhibit the proliferation of invaded pathogens and maintain homeostasis; however, vigorous cell death can cause excessive inflammation and tissue damage. Acute lung injury (ALI) and chronic obstructive pulmonary syndrome (COPD) exacerbation is related to several pathogens (e.g., influenza A virus, SARS-CoV-2) known to cause PANoptosis. An understanding of the mechanism and specific regulators may help to address the pathological systems of these diseases. This review presents our understanding of the potential mechanism of PANoptosis and the role of PANoptosis in different pulmonary diseases.
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Affiliation(s)
| | | | | | - Longshuang Huang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (S.C.); (J.J.); (T.L.)
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Fu T, Tian H, Rong H, Ai P, Li X. LncRNA PVT1 induces apoptosis and inflammatory response of bronchial epithelial cells by regulating miR-30b-5p/BCL2L11 axis in COPD. Genes Environ 2023; 45:24. [PMID: 37817266 PMCID: PMC10566077 DOI: 10.1186/s41021-023-00283-4] [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: 07/17/2023] [Accepted: 10/01/2023] [Indexed: 10/12/2023] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a serious health burden worldwide with high mortality. LncRNA plasmacytoma variant translocation 1 (PVT1) has been illustrated to serve as a biomarker for COPD progression. Nonetheless, its specific functions and mechanisms in COPD are unclarified. METHODS Cigarette smoke extract (CSE) was utilized to stimulate 16HBE cells, and cigarette smoke combining with lipopolysaccharide (LPS) was employed to induce COPD in rats. Western blotting and RT-qPCR were utilized for measuring protein and RNA levels. Flow cytometry was implemented for detecting cell apoptosis. Concentrations of inflammatory factors TNF-α and IFN-γ were examined using ELISA. Luciferase reporter assay was utilized for verifying the interaction between molecules. Hematoxylin-eosin staining was performed for histological analysis of rat lung tissues. RESULTS PVT1 was highly expressed in CSE-stimulated 16HBE cells and the lungs of COPD rats. PVT1 depletion restored the viability, restrained apoptosis and hindered inflammatory cytokine production in 16HBE cells under CSE treatment and alleviated pathological damages in COPD rats. PVT1 bound to miR-30b-5p and miR-30b-5p targeted BCL2 like 11 (BCL2L11). Overexpressing BCL2L11 offset the above effects mediated by PVT1 in CSE-triggered 16HBE cells. CONCLUSION PVT1 enhances apoptosis and inflammation of 16HBE cells under CSE stimulation by modulating miR-30b-5p/BCL2L11 axis.
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Affiliation(s)
- Taoli Fu
- Department of Geriatrics, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, 430016, Hubei, China
| | - Hui Tian
- Department of Pulmonology, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, 430016, Hubei, China
| | - Hui Rong
- Department of Geriatrics, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, 430016, Hubei, China
| | - Ping Ai
- Department of Surgery, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, 430016, Hubei, China
| | - Xiaoping Li
- Department of Orthopaedics, Wuhan Hospital of Traditional Chinese Medicine, No.49, Lihuangpi Road, Jiang'an District, Wuhan, Hubei, China.
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Vallese A, Cordone V, Pecorelli A, Valacchi G. Ox-inflammasome involvement in neuroinflammation. Free Radic Biol Med 2023; 207:161-177. [PMID: 37442280 DOI: 10.1016/j.freeradbiomed.2023.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/26/2023] [Accepted: 07/07/2023] [Indexed: 07/15/2023]
Abstract
Neuroinflammation plays a crucial role in the onset and the progression of several neuropathologies, from neurodegenerative disorders to migraine, from Rett syndrome to post-COVID 19 neurological manifestations. Inflammasomes are cytosolic multiprotein complexes of the innate immune system that fuel inflammation. They have been under study for the last twenty years and more recently their involvement in neuro-related conditions has been of great interest as possible therapeutic target. The role of oxidative stress in inflammasome activation has been described, however the exact way of action of specific endogenous and exogenous oxidants needs to be better clarified. In this review, we provide the current knowledge on the involvement of inflammasome in the main neuropathologies, emphasizing the importance to further clarify the role of oxidative stress in its activation including the role of mitochondria in inflammasome-induced neuroinflammation.
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Affiliation(s)
- Andrea Vallese
- Department of Environmental Sciences and Prevention, University of Ferrara, Ferrara, Italy
| | - Valeria Cordone
- Department of Environmental Sciences and Prevention, University of Ferrara, Ferrara, Italy
| | - Alessandra Pecorelli
- Department of Environmental Sciences and Prevention, University of Ferrara, Ferrara, Italy
| | - Giuseppe Valacchi
- Department of Environmental Sciences and Prevention, University of Ferrara, Ferrara, Italy; Department of Animal Science, North Carolina State University, 28081, Kannapolis, USA; Department of Food and Nutrition, Kyung Hee University, Seoul, South Korea.
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Chen P, Li Q, Su X, Zhang ZQ, Li GP. Osthole, an ingredient from Cnidium monnieri, reduces the pyroptosis and apoptosis in bronchial epithelial cells. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2023; 25:999-1011. [PMID: 36899456 DOI: 10.1080/10286020.2023.2187381] [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: 10/14/2022] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Osthole is the prominent active ingredient isolated from Cnidium. The role of osthole in chronic obstructive pulmonary disease (COPD) was investigated herein. Bronchial epithelial 16HBE cells were exposed to cigarette smoke extract (CSE) to generate injury models. The concentration of CSE had an inverse correlation with cell viability. Osthole suppressed inflammation, oxidative stress, apoptosis, and pyroptosis in 16HBE cells, along with a decrease in RIPK2 level. RIPK2 overexpression reversed the effects of osthole on the abovementioned aspects. This study found that the osthole could reduce RIPK2 level, inhibit pyroptosis, and alleviate the damage in 16HBE cells under CSE stimulation.
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Affiliation(s)
- Peng Chen
- Department of Respiratory Medicine, The Third People Hospital of Chengdu, Chengdu 610031, China
| | - Qun Li
- Department of Respiratory Medicine, The Third People Hospital of Chengdu, Chengdu 610031, China
| | - Xian Su
- Department of Respiratory Medicine, The Third People Hospital of Chengdu, Chengdu 610031, China
| | - Zhen-Qi Zhang
- Department of Anesthesiology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Guo-Ping Li
- Department of Respiratory Medicine, The Third People Hospital of Chengdu, Chengdu 610031, China
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Bedford R, Smith G, Rothwell E, Martin S, Medhane R, Casentieri D, Daunt A, Freiberg G, Hollings M. A multi-organ, lung-derived inflammatory response following in vitro airway exposure to cigarette smoke and next-generation nicotine delivery products. Toxicol Lett 2023; 387:35-49. [PMID: 37774809 DOI: 10.1016/j.toxlet.2023.09.010] [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: 02/23/2023] [Revised: 09/08/2023] [Accepted: 09/26/2023] [Indexed: 10/01/2023]
Abstract
Despite increasing use of in vitro models that closely resemble in vivo human biology, their application in understanding downstream effects of airway toxicity, such as inflammation, are at an early stage. In this study, we used various assays to examine the inflammatory response induced in MucilAir™ tissues and A549 cells exposed to three products known to induce toxicity. Reduced barrier integrity was observed in tissues following exposure to each product, with reduced viability and increased cytotoxicity also shown. Similar changes in viability were also observed in A549 cells. Furthermore, whole cigarette smoke (CS) induced downstream phenotypic THP-1 changes and endothelial cell adhesion, an early marker of atherosclerosis. In contrast, exposure to next-generation delivery product (NGP) aerosol did not induce this response. Cytokine, histological and RNA analysis highlighted increased biomarkers linked to inflammatory pathways and immune cell differentiation following exposure to whole cigarette smoke, including GM-CSF, IL-1β, cleaved caspase-3 and cytochrome P450 enzymes. As a result of similar observations in human airway inflammation, we propose that our exposure platform could act as a representative model for studying such events in vitro. Furthermore, this model could be used to test the inflammatory or anti-inflammatory impact posed by inhaled compounds delivered to the lung.
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Affiliation(s)
- R Bedford
- Labcorp Early Development Laboratories Limited, Harrogate, UK.
| | - G Smith
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - E Rothwell
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - S Martin
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - R Medhane
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - D Casentieri
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - A Daunt
- Labcorp Early Development Laboratories Limited, Harrogate, UK
| | - G Freiberg
- Labcorp Early Development Laboratories Limited, Eye, UK
| | - M Hollings
- Labcorp Early Development Laboratories Limited, Harrogate, UK.
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Zhao Z, Xu Z, Chang J, He L, Zhang Z, Song X, Hou X, Fan F, Jiang Z. Sodium pyruvate exerts protective effects against cigarette smoke extract-induced ferroptosis in alveolar and bronchial epithelial cells through the GPX4/Nrf2 axis. J Inflamm (Lond) 2023; 20:28. [PMID: 37605161 PMCID: PMC10441695 DOI: 10.1186/s12950-023-00347-w] [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: 03/07/2023] [Accepted: 05/30/2023] [Indexed: 08/23/2023] Open
Abstract
BACKGROUND Ferroptosis in alveolar and bronchial epithelial cells is one of the main mechanisms underlying the development of chronic obstructive pulmonary disease (COPD). Sodium pyruvate (NaPyr) is a natural antioxidant in the body, exhibiting anti-inflammatory and antioxidant activities. NaPyr has been used in a Phase II clinical trial as a novel therapy for COPD; however, the mechanism underlying NaPyr-mediated therapeutic benefits in COPD is not well understood. OBJECTIVE We aimed to assess the protective effects of NaPyr and elucidate its potential mechanism in cigarette smoke extract (CSE)-induced ferroptosis.To minic the inflammatory response and ferroptosis triggered by cigarette smoke in COPD in an invitro cell based system, we expose a human bronchial epithelial cells to CSE. METHODS To minic the inflammatory response and ferroptosis triggered by cigarette smoke in COPD in an invitro cell based system, the A549 (human lung carcinoma epithelial cells) and BEAS-2B (bronchial epithelial cells) cell lines were cultured, followed by treatment with CSE. To measure cellular viability and iron levels, we determined the levels of malondialdehyde (MDA), glutathione (GSH), reactive oxygen species (ROS), mitochondrial superoxide (MitoSOX), membrane potential (MMP), and inflammatory factors (tumor necrosis factor [TNF] and interleukin [IL]-8), and examined CSE-induced pulmonary inflammation and ferroptosis. To clarify the molecular mechanisms of NaPyr in COPD therapy, we performed western blotting and real-time PCR (qPCR) to determine the expression of glutathione peroxidase 4 (GPX4), nuclear factor E2-related factor 2 (Nrf2), and cyclooxygenase 2 (COX2). RESULTS We found that NaPyr effectively mitigated CSE-induced apoptosis and improved apoptosis induced by erastin, a ferroptosis inducer. NaPyr significantly decreased iron and MDA levels and increased GSH levels in CSE-induced cells. Furthermore, NaPyr suppressed ferroptosis characteristics, such as decreased levels of ROS, MitoSOX, and MMP. NaPyr significantly increases the expression levels of GPX4 and Nrf2, indicating that activation of the GPX4/Nrf2 axis could inhibit ferroptosis in alveolar and bronchial epithelial cells. More importantly, NaPyr inhibited the secretion of downstream inflammatory factors, including TNF and IL-8, by decreasing COX2 expression levels to suppress CSE-induced inflammation. CONCLUSION Accordingly, NaPyr could mitigate CSE-induced ferroptosis in alveolar and bronchial epithelial cells by activating the GPX4/Nrf2 axis and decreasing COX2 expression levels. In addition, NaPyr reduced the secretion of inflammatory factors (TNF and IL-8), affording a novel therapeutic candidate for COPD.
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Affiliation(s)
- Ziwen Zhao
- School of Pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 21, Taizhou, Jiangsu 0023 China
| | - Zhao Xu
- Jiangsu Changtai Pharmaceutical Co., Ltd, Taizhou, Jiangsu 225300 China
| | - Jingwen Chang
- Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, School of Pharmacy, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, Anhui 233003 China
| | - Liwei He
- School of Pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 21, Taizhou, Jiangsu 0023 China
| | - Zijin Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 21, Taizhou, Jiangsu 0023 China
| | - Xiaoyu Song
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023 China
| | - Xianbang Hou
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023 China
| | - Fangtian Fan
- Anhui Engineering Technology Research Center of Biochemical Pharmaceuticals, School of Pharmacy, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, Anhui 233003 China
| | - Zhijun Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, 138 Xianlin Avenue, Nanjing 21, Taizhou, Jiangsu 0023 China
- Jiangsu Changtai Pharmaceutical Co., Ltd, Taizhou, Jiangsu 225300 China
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Liu YN, Kang JW, Zhang Y, Song SS, Xu QX, Zhang H, Lu L, Wei SW, Liang C, Su RW. Vanillin prevents the growth of endometriotic lesions through anti-inflammatory and antioxidant pathways in a mouse model. Food Funct 2023. [PMID: 37409688 DOI: 10.1039/d3fo00750b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
Endometriosis is an estrogen-dependent chronic inflammatory gynecological disease defined by the presence of endometrial glands and mesenchyme outside the uterine cavity, named ectopic endometrium. Recent studies showed that endometriosis is associated with hormone imbalance, inflammation and oxidative stress. As the main component of vanilla bean extract, vanillin is widely used as a flavoring agent in the food, pharmaceutical, and cosmetic industries. It is known for its anti-inflammatory, antibacterial, and antitumor properties, but its therapeutic efficacy in endometriosis has not been studied. In this study, we evaluated the roles of vanillin in this disease using an induced endometriotic mouse model. The results showed that vanillin significantly inhibited the growth of endometrial lesions. Compared with the control group, the weight and volume of lesions were reduced considerably in the vanillin-treated group, showing its fantastic ability to inhibit cell proliferation and promote apoptosis. In addition, in the treatment group, mRNA expression of the pro-inflammatory cytokines Tnfa, Infg, Il1b, and Il6 was reduced, the number of macrophages and neutrophils was decreased, and the NF-κB signaling pathway was inhibited, indicating that vanillin suppressed the inflammatory response in the ectopic endometrium. Besides, we found that the intensity of tissue reactive oxygen species (ROS) was significantly lower, and mitochondrial complex IV expression was reduced in the vanillin-treated group. Meanwhile, treatment of the immortalized human endometriotic epithelial cell line (11Z) with vanillin resulted in the downregulation of cyclin genes that drive the cell proliferation process, inhibited cell proliferation, promoted apoptosis, and downregulated the expression of LPS-induced inflammatory cytokines. Most importantly, our data showed that the vanillin treatment had only minimal effects on the eutopic endometrium with respect to the pregnancy process, indicating its safety to be used in treating endometriosis in adults. In conclusion, our data suggest that vanillin has potential therapeutic properties for endometriosis as a regulatory molecule of cell proliferation, apoptosis, inflammation, and oxidative stress.
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Affiliation(s)
- Ying-Nan Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Jin-Wen Kang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Yu Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Shan-Shan Song
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Qi-Xin Xu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Han Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Lei Lu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Shu-Wen Wei
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Chen Liang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
| | - Ren-Wei Su
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
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Zhou LH, Zou H, Hao JY, Huang Y, Zhang JN, Xu XH, Li J. Metformin inhibits ovarian granular cell pyroptosis through the miR-670-3p/NOX2/ROS pathway. Aging (Albany NY) 2023; 15:204745. [PMID: 37244286 DOI: 10.18632/aging.204745] [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: 03/20/2023] [Accepted: 05/16/2023] [Indexed: 05/29/2023]
Abstract
Recent studies have demonstrated that ovarian granular cells (OGCs) pyroptosis is present in the ovaries of polycystic ovary syndrome (PCOS) mice and that NLRP3 activation destroys follicular functions. Metformin has been shown to protect against PCOS by reducing insulin resistance in women, whereas its role in OGC pyroptosis is unknown. This study aimed to investigate the impact of metformin on OGC pyroptosis and the underlying mechanisms. The results showed that treating a human granulosa-like tumor cell line (KGN) with metformin significantly decreased LPS-induced expression of miR-670-3p, NOX2, NLRP3, ASC, cleaved caspase-1, and GSDMD-N. Cellular caspase-1 activity; ROS production; oxidative stress; and the secretion of IL-1β, IL-6, IL-18, and TNF-α were also diminished. These effects were amplified by adding N-acetyl-L-cysteine (NAC), a pharmacological inhibitor of ROS. In contrast, metformin's anti-pyroptosis and anti-inflammatory effects were robustly ameliorated by NOX2 overexpression in KGN cells. Moreover, bioinformatic analyses, RT-PCR, and Western blotting showed that miR-670-3p could directly bind to the NOX2 (encoded by the CYBB gene in humans) 3'UTR and decrease NOX2 expression. Metformin-induced suppression of NOX2 expression, ROS production, oxidative stress, and pyroptosis was significantly alleviated by transfection with the miR-670-3p inhibitor. These findings suggest that metformin inhibits KGN cell pyroptosis via the miR-670-3p/NOX2/ROS pathway.
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Affiliation(s)
- Li-Hua Zhou
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Hui Zou
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Jia-Yuan Hao
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Yong Huang
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Jia-Nan Zhang
- Institute of Clinical Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Xiao-Hong Xu
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
| | - Juan Li
- The Department of Reproductive Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, China
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Chai R, Li Y, Shui L, Ni L, Zhang A. The role of pyroptosis in inflammatory diseases. Front Cell Dev Biol 2023; 11:1173235. [PMID: 37250902 PMCID: PMC10213465 DOI: 10.3389/fcell.2023.1173235] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 04/18/2023] [Indexed: 05/31/2023] Open
Abstract
Programmed cell death has crucial roles in the physiological maturation of an organism, the maintenance of metabolism, and disease progression. Pyroptosis, a form of programmed cell death which has recently received much attention, is closely related to inflammation and occurs via canonical, non-canonical, caspase-3-dependent, and unclassified pathways. The pore-forming gasdermin proteins mediate pyroptosis by promoting cell lysis, contributing to the outflow of large amounts of inflammatory cytokines and cellular contents. Although the inflammatory response is critical for the body's defense against pathogens, uncontrolled inflammation can cause tissue damage and is a vital factor in the occurrence and progression of various diseases. In this review, we briefly summarize the major signaling pathways of pyroptosis and discuss current research on the pathological function of pyroptosis in autoinflammatory diseases and sterile inflammatory diseases.
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Affiliation(s)
| | | | | | - Longxing Ni
- *Correspondence: Longxing Ni, ; Ansheng Zhang,
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50
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Zhang ZN, Yang DL, Liu H, Bi J, Bao YB, Ma JY, Zheng QX, Cui DL, Chen W, Xiang P. Effects of TCPP and TCEP exposure on human corneal epithelial cells: Oxidate damage, cell cycle arrest, and pyroptosis. CHEMOSPHERE 2023; 331:138817. [PMID: 37127200 DOI: 10.1016/j.chemosphere.2023.138817] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/17/2023] [Accepted: 04/28/2023] [Indexed: 05/03/2023]
Abstract
Tris(2-chloroisopropyl) phosphate (TCPP) and Tris(2-chloroethyl) phosphate (TCEP) are the widely used organophosphorus flame retardants indoors and easily accessible to the eyes as the common adhesive components of dust and particle matter, however, hardly any evidence has demonstrated their corneal toxicity. In this study, the adverse effects of TCPP, TCEP, and TCPP + TCEP exposure on human corneal epithelial cells (HCECs) were investigated. The cell viability and morphology, intracellular reactive oxygen species (ROS), cell cycle, and the expressions of cell cycle and pyroptosis-related genes were assessed to explain the underlying mechanisms. Compared to individual exposure, co-exposure to TCPP20+TCEP20 showed higher cytotoxicity with a sharp decrease of >30% in viability and more serious oxidative damage by increasing ROS production to 110.92% compared to the control group. Furthermore, the cell cycle arrested at the S phase (36.20%) was observed after combined treatment, evidenced by the upregulation of cyclin D1, CDK2, CDK4, CDK6, p21, and p27. Interestingly, pyroptosis-related genes GSDMD, Caspase-1, NLRP3, IL-1β, IL-18, NLRP1, and NLRC4 expressions were promoted with cell swelling and glowing morphology. Oxidative stress and cell cycle arrest probably acted as a key role in TCPP20+TCEP20-induced cytotoxicity and pyroptosis in HCECs. Our results suggested that TCPP20+TCEP20 co-exposure induced severer corneal damage, further illustrating its significance in estimating indoor health hazards to humans.
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Affiliation(s)
- Zhen-Ning Zhang
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China
| | - Dan-Lei Yang
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China
| | - Hai Liu
- Affiliated Hospital of Yunnan University, Eye Hospital of Yunnan Province, Kunming, 650224, China
| | - Jue Bi
- Institute of Tropical and Subtropical Cash Crops, Yunnan Academy of Agriculture Sciences, Baoshan, 678000, China
| | - Ya-Bo Bao
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China
| | - Jiao-Yang Ma
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China
| | - Qin-Xiang Zheng
- The Affiliated Ningbo Eye Hospital of Wenzhou Medical University, Ningbo, 315040, China
| | - Dao-Lei Cui
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China
| | - Wei Chen
- The Affiliated Ningbo Eye Hospital of Wenzhou Medical University, Ningbo, 315040, China.
| | - Ping Xiang
- Yunnan Province Innovative Research Team of Environmental Pollution, Food SafetyAnd Human Health, Institute of Environmental Remediation and Human Health, School of Ecology and Environment, Southwest Forestry University, Kunming, 650224, China.
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