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Elmorsy EA, Saber S, Hamad RS, Abdel-Reheim MA, El-Kott AF, AlShehri MA, Morsy K, Negm S, Youssef ME. Mechanistic insights into carvedilol's potential protection against doxorubicin-induced cardiotoxicity. Eur J Pharm Sci 2024; 200:106849. [PMID: 38992452 DOI: 10.1016/j.ejps.2024.106849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 06/26/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Doxorubicin (DOX) is an anthracycline chemotherapy drug widely employed in the treatment of various cancers, known for its potent antineoplastic properties but often associated with dose-dependent cardiotoxicity, limiting its clinical use. This review explores the complex molecular details that determine the heart-protective effectiveness of carvedilol in relation to cardiotoxicity caused by DOX. The harmful effects of DOX on heart cells could include oxidative stress, DNA damage, iron imbalance, disruption of autophagy, calcium imbalance, apoptosis, dysregulation of topoisomerase 2-beta, arrhythmogenicity, and inflammatory responses. This review carefully reveals how carvedilol serves as a strong protective mechanism, strategically reducing each aspect of cardiac damage caused by DOX. Carvedilol's antioxidant capabilities involve neutralizing free radicals and adjusting crucial antioxidant enzymes. It skillfully manages iron balance, controls autophagy, and restores the calcium balance essential for cellular stability. Moreover, the anti-apoptotic effects of carvedilol are outlined through the adjustment of Bcl-2 family proteins and activation of the Akt signaling pathway. The medication also controls topoisomerase 2-beta and reduces the renin-angiotensin-aldosterone system, together offering a thorough defense against cardiotoxicity induced by DOX. These findings not only provide detailed understanding into the molecular mechanisms that coordinate heart protection by carvedilol but also offer considerable potential for the creation of targeted treatment strategies intended to relieve cardiotoxicity caused by chemotherapy.
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Affiliation(s)
- Elsayed A Elmorsy
- Department of Pharmacology and Therapeutics, College of Medicine, Qassim University, Buraidah, 51452, Saudi Arabia; Department of Clinical Pharmacology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt.
| | - Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt.
| | - Rabab S Hamad
- Biological Sciences Department, College of Science, King Faisal University, Al Ahsa 31982, Saudi Arabia; Central Laboratory, Theodor Bilharz Research Institute, Giza 12411, Egypt.
| | - Mustafa Ahmed Abdel-Reheim
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni Suef 62521, Egypt.
| | - Attalla F El-Kott
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia; Department of Zoology, Faculty of Science, Damanhour University, Egypt
| | - Mohammed A AlShehri
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Kareem Morsy
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia; Department of Zoology, Faculty of Science, Cairo University, Cairo, Egypt
| | - Sally Negm
- Department of Life Sciences, College of Science and Art Mahyel Aseer, King Khalid University, Abha 62529, Saudi Arabia
| | - Mahmoud E Youssef
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa 11152, Egypt
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Khoshnavay Foumani M, Amirshahrokhi K, Namjoo Z, Niapour A. Carvedilol attenuates inflammatory reactions of lipopolysaccharide-stimulated BV2 cells and modulates M1/M2 polarization of microglia via regulating NLRP3, Notch, and PPAR-γ signaling pathways. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:4727-4736. [PMID: 38133658 DOI: 10.1007/s00210-023-02914-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
Microglial cells coordinate immune responses in the central nervous system. Carvedilol (CVL) is a non-selective β-blocker with anti-inflammatory and anti-oxidant effects. This study aims to investigate the anti-inflammatory effects and the underlying mechanisms of CVL on lipopolysaccharide (LPS)-induced inflammation in microglial BV2 cells. BV2 cells were stimulated with LPS, and the protective effects of CVL were investigated via measurement of cell viability, reactive oxygen species (ROS), and interleukin (IL)-1β liberation. The protein levels of some inflammatory cascade, Notch, and peroxisome proliferator-activated receptor (PPAR)-γ pathways and relative markers of M1/M2 microglial phenotypes were assessed. Neuroblastoma SH-SY5Y cells were cultured with a BV2-conditioned medium (CM), and the capacity of CVL to protect cell viability was evaluated. CVL displayed a protective effect against LPS stress through reducing ROS and down-regulating of nuclear factor kappa B (NF-κB) p65, NLR family pyrin domain containing-3 (NLRP3), and IL-1β proteins. LPS treatment significantly increased the levels of the M1 microglial marker inducible nitric oxide synthase (iNOS) and M1-associated cleaved-NOTCH1 and hairy and enhancer of split-1 (HES1) proteins. Conversely, LPS treatment reduced the levels of the M2 marker arginase-1 (Arg-1) and PPAR-γ proteins. CVL pre-treatment reduced the protein levels of iNOS, cleaved-NOTCH1, and HES1, while increased Arg-1 and PPAR-γ. CM of CVL-primed BV2 cells significantly improved SH-SY5Y cell viability as compared with the LPS-induced cells. CVL suppressed ROS production and alleviated the expression of inflammatory markers in LPS-stimulated BV2 cells. Our results demonstrated that targeting Notch and PPAR-γ pathways as well as directing BV2 cell polarization toward the M2 phenotype may provide a therapeutic strategy to suppress neuroinflammation by CVL.
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Affiliation(s)
- Mohammadjavad Khoshnavay Foumani
- Research Laboratory for Embryology and Stem Cells, Department of Anatomical Sciences, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Keyvan Amirshahrokhi
- Department of Pharmacology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Zeinab Namjoo
- Research Laboratory for Embryology and Stem Cells, Department of Anatomical Sciences, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
| | - Ali Niapour
- Research Laboratory for Embryology and Stem Cells, Department of Anatomical Sciences, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.
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Hua KF, Lin YB, Chiu HW, Wong WT, Ka SM, Wu CH, Lin WY, Wang CC, Hsu CH, Hsu HT, Ho CL, Li LH. Cinnamaldehyde inhibits the NLRP3 inflammasome by preserving mitochondrial integrity and augmenting autophagy in Shigella sonnei-infected macrophages. J Inflamm (Lond) 2024; 21:18. [PMID: 38840105 PMCID: PMC11151564 DOI: 10.1186/s12950-024-00395-w] [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: 07/16/2023] [Accepted: 05/22/2024] [Indexed: 06/07/2024] Open
Abstract
BACKGROUND Worldwide, more than 125 million people are infected with Shigella each year and develop shigellosis. In our previous study, we provided evidence that Shigella sonnei infection triggers activation of the NACHT, LRR, and PYD domain-containing protein 3 (NLRP3) inflammasome in macrophages. NLRP3 inflammasome is responsible for regulating the release of the proinflammatory cytokines interleukin (IL)-1β and IL-18 through the protease caspase-1. Researchers and biotech companies have shown great interest in developing inhibitors of the NLRP3 inflammasome, recognizing it as a promising therapeutic target for several diseases. The leaves of Cinnamomum osmophloeum kaneh, an indigenous tree species in Taiwan, are rich in cinnamaldehyde (CA), a compound present in significant amounts. Our aim is to investigate how CA affects the activation of the NLRP3 inflammasome in S. sonnei-infected macrophages. METHODS Macrophages were infected with S. sonnei, with or without CA. ELISA and Western blotting were employed to detect protein expression or phosphorylation levels. Flow cytometry was utilized to assess H2O2 production and mitochondrial damage. Fluorescent microscopy was used to detect cathepsin B activity and mitochondrial ROS production. Additionally, colony-forming units were employed to measure macrophage phagocytosis and bactericidal activity. RESULTS CA inhibited the NLRP3 inflammasome in S. sonnei-infected macrophages by suppressing caspase-1 activation and reducing IL-1β and IL-18 expression. CA also inhibited pyroptosis by decreasing caspase-11 and Gasdermin D activation. Mechanistically, CA reduced lysosomal damage and enhanced autophagy, while leaving mitochondrial damage, mitogen-activated protein kinase phosphorylation, and NF-κB activation unaffected. Furthermore, CA significantly boosted phagocytosis and the bactericidal activity of macrophages against S. sonnei, while reducing secretion of IL-6 and tumour necrosis factor following infection. CONCLUSION CA shows promise as a nutraceutical for mitigating S. sonnei infection by diminishing inflammation and enhancing phagocytosis and the bactericidal activity of macrophages against S. sonnei.
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Affiliation(s)
- Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Yu-Bei Lin
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Taiwan Autoantibody Biobank Initiative, Hualien Tzu Chi Hospital, Hualien, Taiwan
| | - Shuk-Man Ka
- Graduate Institute of Aerospace and Undersea Medicine, Department of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Chun-Hsien Wu
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wen-Yu Lin
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chien-Chun Wang
- Infectious Disease Division, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan
- Kunming Prevention and Control Center, Taipei City Hospital, Taipei, Taiwan
| | - Chung-Hua Hsu
- Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsien-Ta Hsu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- School of Medicine, Buddhist Tzu Chi University, Hualien, Taiwan
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan.
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Chiu HW, Wu CH, Lin WY, Wong WT, Tsai WC, Hsu HT, Ho CL, Cheng SM, Cheng CC, Yang SP, Li LH, Hua KF. The Angiotensin II Receptor Neprilysin Inhibitor LCZ696 Inhibits the NLRP3 Inflammasome By Reducing Mitochondrial Dysfunction in Macrophages and Alleviates Dextran Sulfate Sodium-induced Colitis in a Mouse Model. Inflammation 2024; 47:696-717. [PMID: 38319541 DOI: 10.1007/s10753-023-01939-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/12/2023] [Accepted: 11/24/2023] [Indexed: 02/07/2024]
Abstract
The intracellular sensor protein complex known as the NACHT, LRR, and PYD domain-containing protein 3 (NLRP3) inflammasome plays a crucial role in regulating inflammatory diseases by overseeing the production of interleukin (IL)-1β and IL-18. Targeting its abnormal activation with drugs holds significant promise for inflammation treatment. This study highlights LCZ696, an angiotensin receptor-neprilysin inhibitor, as an effective suppressor of NLRP3 inflammasome activation in macrophages stimulated by ATP, nigericin, and monosodium urate. LCZ696 also reduces caspase-11 and GSDMD activation, lactate dehydrogenase release, propidium iodide uptake, and the extracellular release of NLRP3 and apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) in ATP-activated macrophages, suggesting a potential mitigation of pyroptosis. Mechanistically, LCZ696 lowers mitochondrial reactive oxygen species and preserves mitochondrial integrity. Importantly, it does not significantly impact NLRP3, proIL-1β, inducible nitric oxide synthase, cyclooxygenase-2 expression, or NF-κB activation in lipopolysaccharide-activated macrophages. LCZ696 partially inhibits the NLRP3 inflammasome through the induction of autophagy. In an in vivo context, LCZ696 alleviates NLRP3-associated colitis in a mouse model by reducing colonic expression of IL-1β and tumor necrosis factor-α. Collectively, these findings suggest that LCZ696 holds significant promise as a therapeutic agent for ameliorating NLRP3 inflammasome activation in various inflammatory diseases, extending beyond its established use in hypertension and heart failure treatment.
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Affiliation(s)
- Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Chun-Hsien Wu
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wen-Yu Lin
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Wei-Che Tsai
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsien-Ta Hsu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- School of Medicine, Buddhist Tzu Chi University, Hualien, Taiwan
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Shu-Meng Cheng
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Cheng-Chung Cheng
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Shih-Ping Yang
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan.
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.
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Markousis-Mavrogenis G, Baumhove L, Al-Mubarak AA, Aboumsallem JP, Bomer N, Voors AA, van der Meer P. Immunomodulation and immunopharmacology in heart failure. Nat Rev Cardiol 2024; 21:119-149. [PMID: 37709934 DOI: 10.1038/s41569-023-00919-6] [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] [Accepted: 08/03/2023] [Indexed: 09/16/2023]
Abstract
The immune system is intimately involved in the pathophysiology of heart failure. However, it is currently underused as a therapeutic target in the clinical setting. Moreover, the development of novel immunomodulatory therapies and their investigation for the treatment of patients with heart failure are hampered by the fact that currently used, evidence-based treatments for heart failure exert multiple immunomodulatory effects. In this Review, we discuss current knowledge on how evidence-based treatments for heart failure affect the immune system in addition to their primary mechanism of action, both to inform practising physicians about these pleiotropic actions and to create a framework for the development and application of future immunomodulatory therapies. We also delineate which subpopulations of patients with heart failure might benefit from immunomodulatory treatments. Furthermore, we summarize completed and ongoing clinical trials that assess immunomodulatory treatments in heart failure and present several therapeutic targets that could be investigated in the future. Lastly, we provide future directions to leverage the immunomodulatory potential of existing treatments and to foster the investigation of novel immunomodulatory therapeutics.
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Affiliation(s)
- George Markousis-Mavrogenis
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Lukas Baumhove
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Ali A Al-Mubarak
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Joseph Pierre Aboumsallem
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Cardiology, Erasmus Medical Center, Rotterdam, Netherlands
| | - Nils Bomer
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Adriaan A Voors
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Peter van der Meer
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands.
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Deng X, Yang Z, Li T, Wang Y, Yang Q, An R, Xu J. Identification of 4 autophagy-related genes in heart failure by bioinformatics analysis and machine learning. Front Cardiovasc Med 2024; 11:1247079. [PMID: 38347953 PMCID: PMC10859477 DOI: 10.3389/fcvm.2024.1247079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 01/18/2024] [Indexed: 02/15/2024] Open
Abstract
Introduction Autophagy refers to the process of breaking down and recycling damaged or unnecessary components within a cell to maintain cellular homeostasis. Heart failure (HF) is a severe medical condition that poses a serious threat to the patient's life. Autophagy is known to play a pivotal role in the pathogenesis of HF. However, our understanding of the specific mechanisms involved remains incomplete. Here, we identify autophagy-related genes (ARGs) associated with HF, which we believe will contribute to further comprehending the pathogenesis of HF. Methods By searching the GEO (Gene Expression Omnibus) database, we found the GSE57338 dataset, which was related to HF. ARGs were obtained from the HADb and HAMdb databases. Annotation of GO and enrichment analysis of KEGG pathway were carried out on the differentially expressed ARGs (AR-DEGs). We employed machine learning algorithms to conduct a thorough screening of significant genes and validated these genes by analyzing external dataset GSE76701 and conducting mouse models experimentation. At last, immune infiltration analysis was conducted, target drugs were screened and a TF regulatory network was constructed. Results Through processing the dataset with R language, we obtained a total of 442 DEGs. Additionally, we retrieved 803 ARGs from the database. The intersection of these two sets resulted in 15 AR-DEGs. Upon performing functional enrichment analysis, it was discovered that these genes exhibited significant enrichment in domains related to "regulation of cell growth", "icosatetraenoic acid binding", and "IL-17 signaling pathway". After screening and verification, we ultimately identified 4 key genes. Finally, an analysis of immune infiltration illustrated significant discrepancies in 16 distinct types of immune cells between the HF and control group and up to 194 potential drugs and 16 TFs were identified based on the key genes. Discussion In this study, TPCN1, MAP2K1, S100A9, and CD38 were considered as key autophagy-related genes in HF. With these relevant data, further exploration of the molecular mechanisms of autophagy in HF can be carried out.
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Affiliation(s)
- Xiwei Deng
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
- Department of Interventional Surgery Center, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
- Department of Oncology, Bethune International Peace Hospital, Shijiazhuang, Hebei, China
| | - Ziqi Yang
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
- Department of Interventional Surgery Center, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Tongzheng Li
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Yang Wang
- Department of Oncology, Bethune International Peace Hospital, Shijiazhuang, Hebei, China
| | - Qinchuan Yang
- Department of Gastrointestinal Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Rui An
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
- Department of Interventional Surgery Center, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
| | - Jian Xu
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
- Department of Interventional Surgery Center, Xijing Hospital, Fourth Military Medical University, Xi’an, Shaanxi, China
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Zeng Y, Li MX, Wu SQ, Xu C. Carvedilol induces pyroptosis through NLRP3-caspase1-ASC inflammasome by nuclear migration of NF-κB in prostate cancer models. Mol Biol Rep 2024; 51:201. [PMID: 38270665 DOI: 10.1007/s11033-023-09132-7] [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: 09/18/2023] [Accepted: 12/08/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND Pyroptosis is an inflammatory type of programmed cell death, and could overcome the drug-resistance induced by anti-apoptotic effect of cancers. Carvedilol (CVL), a β-adrenergic receptors antagonist, has shown anti-inflammatory response and anti-cancer effect. The aim of this study is to investigate whether pyroptosis can be activated by CVL in prostate cancer (PCa). METHODS AND RESULTS Datasets were used to analyze the expressions of pyroptosis-related proteins. Intracellular morphological change, cell viability, LDH and Il-1β release by cells,, and Hoechst/PI staining were used to detect the occurrence of pyroptosis. Realtime-PCR, western blot, immunofluorescence, and immunohistochemistry (IHC) were used to investigate the expressions of pyroptosis-related proteins. Datasets analyze showed the expressions of NLRP3, Caspase 1, ASC and GSDMD were all decreased in PCa comparing with normal tissues, but without prognostic significance. CVL treatment weakened the viabilities of PCa cells. Cell morphology changing, cytoplasmic vacuole formation, membrane integrity loss, LDH and IL-1β release and PI positive cells increasing were observed. NLRP3, Caspase 1, ASC, GSDMD and N-GSDMD expressions were elevated after CVL treatment, accompanied by a tendency of NF-κB transferring into nucleus. In vivo, CVL inhibited the growth of subcutaneous transplanted tumor. IHC showed CVL increased the expressions of NLRP3, ASC, and GSDMD, and decreased the expression of Ki-67 in transplanted tumor tissues. CONCLUSION This study demonstrated that CVL could induce pyroptosis in PCa cells through NLRP3-caspase1-ASC inflammasome by promoting nuclear translocation of NF-κB, which would lay a foundation for the application of adrenergic receptor antagonist in PCa.
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Affiliation(s)
- Yan Zeng
- Institute of Life Sciences, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong, Chongqing, 400016, China
| | - Mei-Xi Li
- Institute of Life Sciences, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong, Chongqing, 400016, China
| | - Shi-Qi Wu
- Institute of Life Sciences, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong, Chongqing, 400016, China
| | - Chen Xu
- Institute of Life Sciences, Chongqing Medical University, 1 Yixueyuan Road, Yuzhong, Chongqing, 400016, China.
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Dong Y, Sun R, Fu J, Huang R, Yao H, Wang J, Wang Y, Shen F. Effects of beta-blockers use on mortality of patients with acute respiratory distress syndrome: a retrospective cohort study. Front Physiol 2024; 15:1332571. [PMID: 38312313 PMCID: PMC10834676 DOI: 10.3389/fphys.2024.1332571] [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: 11/09/2023] [Accepted: 01/04/2024] [Indexed: 02/06/2024] Open
Abstract
Introduction: Acute respiratory distress syndrome (ARDS) remains a challenging disease with limited prevention and treatment options. The usage of beta-blockers may have potential benefits in different critical illnesses. This study aimed to investigate the correlation between beta-blocker therapy and mortality in patients with ARDS. Materials and methods: This retrospective cohort study utilized data from the Medical Information Mart for Intensive Care (MIMIC) IV database and focused on patients diagnosed with ARDS. The primary outcome of the study was 30-day mortality. To account for confounding factors, a multivariable analysis was performed. Propensity score matching (PSM) was carried out on a 1:1 ratio. Robust assessments were conducted using inverse probability weighting (IPTW), standardized mortality ratio weighting (SMRW), pairwise algorithms (PA), and overlap weights (OW). Results: A total of 1,104 patients with ARDS were included in the study. Univariate and multivariate Cox regression analyses found that the 30-day mortality for 489 patients (23.7%) who received beta-blockers was significantly lower than the mortality rate of 615 patients (35.9%) who did not receive beta-blockers. After adjusting for potential confounders through PSM and propensity score, as well as utilizing IPTW, SMRW, PA, and OW, the results remained robust, with the hazard ratios (HR) ranging from 0.42 to 0.58 and all p-values < 0.001. Evaluation of the E-values indicated the robustness of the results even in the presence of unmeasured confounding. Conclusion: The findings suggest a potential association between beta-blocker usage and reduced mortality in critically ill patients with ARDS. However, further validation of this observation is needed through randomized controlled trials.
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Affiliation(s)
- Yukang Dong
- Department of Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
- Department of Emergency, Guizhou Provincial People’s Hospital, Guiyang, China
| | - Run Sun
- Department of Emergency, Guizhou Provincial People’s Hospital, Guiyang, China
| | - Jiangquan Fu
- Department of Emergency Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
| | - Rui Huang
- Department of Emergency Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
| | - Huan Yao
- Xiangya School of Nursing, Central South University, Changsha, Hunan, China
- Nursing Department, Guizhou Provincial People’s Hospital, Guiyang, Guizhou, China
| | - Jingni Wang
- Department of Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
| | - Ying Wang
- Department of Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
| | - Feng Shen
- Department of Intensive Care Unit, Guizhou Medical University Affiliated Hospital, Guiyang, China
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9
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Giansanti M, Theinert T, Boeing SK, Haas D, Schlegel PG, Vacca P, Nazio F, Caruana I. Exploiting autophagy balance in T and NK cells as a new strategy to implement adoptive cell therapies. Mol Cancer 2023; 22:201. [PMID: 38071322 PMCID: PMC10709869 DOI: 10.1186/s12943-023-01893-w] [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: 09/14/2023] [Accepted: 10/30/2023] [Indexed: 12/18/2023] Open
Abstract
Autophagy is an essential cellular homeostasis pathway initiated by multiple stimuli ranging from nutrient deprivation to viral infection, playing a key role in human health and disease. At present, a growing number of evidence suggests a role of autophagy as a primitive innate immune form of defense for eukaryotic cells, interacting with components of innate immune signaling pathways and regulating thymic selection, antigen presentation, cytokine production and T/NK cell homeostasis. In cancer, autophagy is intimately involved in the immunological control of tumor progression and response to therapy. However, very little is known about the role and impact of autophagy in T and NK cells, the main players in the active fight against infections and tumors. Important questions are emerging: what role does autophagy play on T/NK cells? Could its modulation lead to any advantages? Could specific targeting of autophagy on tumor cells (blocking) and T/NK cells (activation) be a new intervention strategy? In this review, we debate preclinical studies that have identified autophagy as a key regulator of immune responses by modulating the functions of different immune cells and discuss the redundancy or diversity among the subpopulations of both T and NK cells in physiologic context and in cancer.
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Affiliation(s)
- Manuela Giansanti
- Immunology Research Area, Innate Lymphoid Cells Unit, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Tobias Theinert
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, 97080, Würzburg, Germany
| | - Sarah Katharina Boeing
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, 97080, Würzburg, Germany
| | - Dorothee Haas
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, 97080, Würzburg, Germany
| | - Paul-Gerhardt Schlegel
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, 97080, Würzburg, Germany
| | - Paola Vacca
- Immunology Research Area, Innate Lymphoid Cells Unit, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy
| | - Francesca Nazio
- Immunology Research Area, Innate Lymphoid Cells Unit, Bambino Gesù Children's Hospital (IRCCS), Rome, Italy.
- Department of Biology, University of Rome Tor Vergata, 00133, Rome, Italy.
| | - Ignazio Caruana
- Department of Pediatric Hematology, Oncology and Stem Cell Transplantation, University Hospital Würzburg, 97080, Würzburg, Germany.
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10
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Fu H, Liang X, Tan W, Hu X. Unraveling the protective mechanisms of Chuanfangyihao against acute lung injury: Insights from experimental validation. Exp Ther Med 2023; 26:535. [PMID: 37869635 PMCID: PMC10587870 DOI: 10.3892/etm.2023.12234] [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: 06/25/2023] [Accepted: 08/21/2023] [Indexed: 10/24/2023] Open
Abstract
Chuanfangyihao (CFYH) is an effective treatment for acute lung injury (ALI) in clinical practice; however, its underlying mechanism of action remains unclear. Therefore, the aim of the present study was to elucidate the pharmacological mechanism of action of CFYH in ALI through experimental validation. First, a rat model of ALI was established using lipopolysaccharide (LPS). Next, the pathological changes in the lungs of the rats and the pathological damage were scored. The wet/dry weight ratios were measured, and ROS content was detected using flow cytometry. ELISA was used to examine IL-6, TNF-α, IL-1β, IL-18, and LDH levels. Immunohistochemistry was used to detect Beclin-1 and NLRP3 expression. Western blotting was performed to analyze the expression of HMGB1, RAGE, TLR4, NF-κB p65, AMPK, p-AMPK, mTOR, p-mTOR, Beclin-1, LC3-II/I, p62, Bcl-2, Bax, Caspase-3, Caspase-1, and GSDMD-NT. The mRNA levels of HMGB1, RAGE, AMPK, mTOR, and HIF-1α were determined using reverse transcription quantitative PCR. CFYH alleviated pulmonary edema and decreased the expression of IL-6, TNF-α, TLR4, NF-κB p65, HMGB1/RAGE, ROS, and HIF-1α. In addition, pretreatment with CFYH reversed ALI-induced programmed cell death. In conclusion, CFYH alleviates LPS-induced ALI, and these findings provide a preliminary clarification of the predominant mechanism of action of CFYH in ALI.
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Affiliation(s)
- Hongfang Fu
- Infectious Disease Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
| | - Xiao Liang
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
| | - Wanying Tan
- Infectious Disease Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
| | - Xiaoyu Hu
- Infectious Disease Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610072, P.R. China
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11
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Liu X, Luo P, Zhang W, Zhang S, Yang S, Hong F. Roles of pyroptosis in atherosclerosis pathogenesis. Biomed Pharmacother 2023; 166:115369. [PMID: 37643484 DOI: 10.1016/j.biopha.2023.115369] [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: 07/16/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 08/31/2023] Open
Abstract
Pyroptosis is a pro-inflammatory type of regulated cell death (RCD) characterized by gasdermin protein-mediated membrane pore formation, cell swelling, and rapid lysis. Recent studies have suggested that pyroptosis is closely related to atherosclerosis (AS). Previous studies reported that pyroptosis involving endothelial cells (ECs), macrophages, and smooth muscle cells (SMCs) plays an important role in the formation and development of AS. Pyroptosis not only causes local inflammation but also amplifies the inflammatory response and it aggravates plaque instability, leading to plaque rupture and thrombosis, eventually resulting in acute cardiovascular events. In this review, we clarified some novel pathways and mechanics and presented some potential drugs.
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Affiliation(s)
- Xiaohan Liu
- Pathogen Biology Experimental Center, College of Medicine, Nanchang University, Jiangxi 330000, China
| | - Peiyi Luo
- Pathogen Biology Experimental Center, College of Medicine, Nanchang University, Jiangxi 330000, China; Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330000, China
| | - Weiyun Zhang
- Pathogen Biology Experimental Center, College of Medicine, Nanchang University, Jiangxi 330000, China; Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330000, China
| | - Shuxian Zhang
- Pathogen Biology Experimental Center, College of Medicine, Nanchang University, Jiangxi 330000, China; Queen Mary School, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi 330000, China
| | - Shulong Yang
- School of basic medical sciences, Fuzhou Medical College of Nanchang University, Fuzhou 344000, China; Key Laboratory of Chronic Diseases, Fuzhou Medical University, Fuzhou 344000, China; Technology Innovation Center of Chronic Disease Research in Fuzhou City, Fuzhou Science and Technology Bureau, Fuzhou 344000, China.
| | - Fenfang Hong
- Pathogen Biology Experimental Center, College of Medicine, Nanchang University, Jiangxi 330000, China.
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12
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Chang L, Wu H, Huang W, Li Y, Chen Y, Li X, Yao Z, Chen X, Lai X, Zheng R, Huang Z, Wu X, Zhang G. IL-21 induces pyroptosis of Treg cells via Akt-mTOR-NLRP3-caspase 1 axis in eosinophilic chronic rhinosinusitis. J Allergy Clin Immunol 2023; 152:641-655.e14. [PMID: 37164271 DOI: 10.1016/j.jaci.2023.04.013] [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: 06/10/2022] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 05/12/2023]
Abstract
BACKGROUND Regulatory T (Treg) cells, which prevent inflammation-induced eosinophil infiltration, are deficient in nasal polyps (NPs) in patients with eosinophilic chronic rhinosinusitis (ECRS). It is concomitant with loss of Foxp3 after certain inflammatory stimuli. OBJECTIVE We sought to determine the inflammatory cytokines involved in inducing the loss of Treg cells in NPs. METHODS The abundance of cytokines in ECRS patients or mice were tested using ELISA, immunochemistry, immunofluorescence, quantitative reverse transcription PCR (qPCR), and/or flow cytometry. Expression of eosinophil cationic protein (ECP), CD4+ T cells, IL-4, and IL-17A and eosinophils in nasal mucosa of mouse model was investigated by immunochemistry, immunofluorescence, and hematoxylin and eosin staining. The percentage and death of induced Treg (iTreg) cells, source of IL-21 in NPs from ECRS and non-ECRS patients, and abundance of different systemic phenotypes of CD4+ T cells in a mouse model were studied by flow cytometry. Western blot analysis, scanning, and transmission electronic microscopy were used to detect pyroptosis of iTreg cells. RESULTS IL-21 was highly expressed in nasal mucosa of ECRS patients and mice, causing pyroptosis and preventing development of iTreg cells in vitro. The elevated IL-21 in NPs from ECRS patients was mainly produced by CD3+ T cells, including T follicular helper, T peripheral helper, TH2, and TH17 cells and CD3+CD4- T cells. T peripheral helper cells and CD3+CD4- T cells were the predominant source of IL-21 in NPs from non-ECRS patients. Blocking IL-21/IL-21R signaling significantly reduced the number of eosinophils and CD4+ T cells along with ECP, IL-4, and IL-17A expression in the nasal mucosa of ECRS mice. It also increased Treg cell percentage and systemically decreased TH2 and TH17 ratios. Akt-mTOR inhibition prevented IL-21-induced pyroptosis in human and mouse iTreg cells. CONCLUSION Elevated IL-21 drives pyroptosis and prevents Treg cell development in ECRS patients. IL-21 induced pyroptosis via activating Akt-mTOR-NLRP3-caspase 1 signaling.
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Affiliation(s)
- Lihong Chang
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Haotian Wu
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Weiqiang Huang
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yue Li
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ye Chen
- Department of Internal Medicine, Division of Rheumatology, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Department of Clinical Immunology, the Third Hospital at Sun Yat-sen University, Guangzhou, China
| | - Xia Li
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhouzhou Yao
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaohong Chen
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaoping Lai
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Rui Zheng
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zizhen Huang
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xifu Wu
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Gehua Zhang
- Department of Otorhinolaryngology-Head and Neck Surgery, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
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13
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Chen C, Wang P, Zhang L, Liu X, Zhang H, Cao Y, Wang X, Zeng Q. Exploring the Pathogenesis and Mechanism-Targeted Treatments of Rosacea: Previous Understanding and Updates. Biomedicines 2023; 11:2153. [PMID: 37626650 PMCID: PMC10452301 DOI: 10.3390/biomedicines11082153] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/22/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Rosacea is a chronic inflammatory skin disease characterized by recurrent erythema, flushing, telangiectasia, papules, pustules, and phymatous changes in the central area of the face. Patients with this condition often experience a significant negative impact on their quality of life, self-esteem, and overall well-being. Despite its prevalence, the pathogenesis of rosacea is not yet fully understood. Recent research advances are reshaping our understanding of the underlying mechanisms of rosacea, and treatment options based on the pathophysiological perspective hold promise to improve patient outcomes and reduce incidence. In this comprehensive review, we investigate the pathogenesis of rosacea in depth, with a focus on emerging and novel mechanisms, and provide an up-to-date overview of therapeutic strategies that target the diverse pathogenic mechanisms of rosacea. Lastly, we discuss potential future research directions aimed at enhancing our understanding of the condition and developing effective treatments.
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Affiliation(s)
| | | | | | | | | | | | - Xiuli Wang
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200040, China
| | - Qingyu Zeng
- Institute of Photomedicine, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200040, China
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14
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Ortiz VD, Teixeira RB, Türck P, Corssac GB, Belló-Klein A, de Castro AL, Araujo ASDR. Influence of carvedilol and thyroid hormones on inflammatory proteins and cardioprotective factor HIF-1α in the infarcted heart. Can J Physiol Pharmacol 2023; 101:106-116. [PMID: 36661235 DOI: 10.1139/cjpp-2022-0355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Inflammatory pathways of Toll-like receptor 4 (TLR4) and NLRP3 inflammasome contribute to acute myocardial infarction (AMI) pathophysiology. The hypoxia-inducible factor 1α (HIF-1α), however, is a key transcription factor related to cardioprotection. This study aimed to compare the influence of carvedilol and thyroid hormones (TH) on inflammatory and HIF-1α proteins and on cardiac haemodynamics in the infarcted heart. Male Wistar rats were allocated into five groups: sham-operated group (SHAM), infarcted group (MI), infarcted treated with the carvedilol group (MI + C), infarcted treated with the TH group (MI + TH), and infarcted co-treated with the carvedilol and TH group (MI + C + TH). Haemodynamic analysis was assessed 15 days post-AMI. The left ventricle (LV) was collected for morphometric and Western blot analysis. The MI group presented LV systolic pressure reduction, LV end-diastolic pressure elevation, and contractility index decrease compared to the SHAM group. The MI + C, MI + TH, and MI + C + TH groups did not reveal such alterations compared to the SHAM group. The MI + TH and MI + C + TH groups presented reduced MyD88 and NLRP3 and increased HIF-1α levels. In conclusion, all treatments preserve the cardiac haemodynamic, and only TH, as isolated treatment or in co-treatment with carvedilol, was able to reduce MyD88 and NLRP3 and increase HIF-1α in the infarcted heart.
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Affiliation(s)
- Vanessa Duarte Ortiz
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Rayane Brinck Teixeira
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Patrick Türck
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Giana Blume Corssac
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Adriane Belló-Klein
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Alexandre Luz de Castro
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Alex Sander da Rosa Araujo
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Department of Physiology, Institute of Basic Health Science, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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15
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Zhang G, Dong D, Wan X, Zhang Y. Cardiomyocyte death in sepsis: Mechanisms and regulation (Review). Mol Med Rep 2022; 26:257. [PMID: 35703348 PMCID: PMC9218731 DOI: 10.3892/mmr.2022.12773] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 05/20/2022] [Indexed: 11/06/2022] Open
Abstract
Sepsis‑induced cardiac dysfunction is one of the most common types of organ dysfunction in sepsis; its pathogenesis is highly complex and not yet fully understood. Cardiomyocytes serve a key role in the pathophysiology of cardiac function; due to the limited ability of cardiomyocytes to regenerate, their loss contributes to decreased cardiac function. The activation of inflammatory signalling pathways affects cardiomyocyte function and modes of cardiomyocyte death in sepsis. Prevention of cardiomyocyte death is an important therapeutic strategy for sepsis‑induced cardiac dysfunction. Thus, understanding the signalling pathways that activate cardiomyocyte death and cross‑regulation between death modes are key to finding therapeutic targets. The present review focused on advances in understanding of sepsis‑induced cardiomyocyte death pathways, including apoptosis, necroptosis, mitochondria‑mediated necrosis, pyroptosis, ferroptosis and autophagy. The present review summarizes the effect of inflammatory activation on cardiomyocyte death mechanisms, the diversity of regulatory mechanisms and cross‑regulation between death modes and the effect on cardiac function in sepsis to provide a theoretical basis for treatment of sepsis‑induced cardiac dysfunction.
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Affiliation(s)
- Geping Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Dan Dong
- Department of Critical Care Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Xianyao Wan
- Department of Critical Care Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
| | - Yongli Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China
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16
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Li J, Tang JY, Fu J, Zhang MW, Wan M, Chen DW, Chen QQ, Li X, Song GJ, Ni RR, Song ZQ. Carvedilol ameliorates persistent erythema of erythematotelangiectatic rosacea by regulating the status of anxiety/depression. J Dermatol 2022; 49:1139-1147. [PMID: 35904063 DOI: 10.1111/1346-8138.16525] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 06/29/2022] [Accepted: 07/06/2022] [Indexed: 11/29/2022]
Abstract
The treatment of persistent erythema and rosacea flushing is extremely challenging, especially for patients with anxiety. The aim of this study was to verify the efficacy of carvedilol in rosacea patients with persistent erythema and flushing. A total of 156 patients were randomized to use oral carvedilol 5 mg bid (twice per day) (n = 105) or topical brimonidine (n = 51) for a 10-week period with 6 weeks of follow-up. Both the efficacy of carvedilol and the status of anxiety/depression were analyzed by patient self-assessment (PSA), clinician erythema assessment (CEA), generalized anxiety disorder (GAD-7), and patient health questionnaire-9 (PHQ-9). Our study found that carvedilol exerted a dramatic reduction in CEA/PSA scores and sting/burning sensation scores in comparison to topical brimonidine. Additionally, carvedilol treatment dramatically improved telangiectasia, erythema, and pigmentation with no obvious side effects. Patients with carvedilol treatment showed an improvement of depression/anxiety, as reflected by lower GAD-7 and PHQ-9 scores than patients with topical brimonidine. Notably, we found carvedilol treatment had better outcomes among patients under 30 years of age with rosacea younger than 30 years old. Conclusively, our findings reveal that carvedilol could quickly and effectively improve facial erythema, which might stem from the improved the status of anxiety/depression.
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Affiliation(s)
- Jian Li
- Dermatology Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Jin-Yi Tang
- Office of Scientific Research Adminifstration, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Jian Fu
- Urology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Ming-Wang Zhang
- Dermatology Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Mei Wan
- Dermatology Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - De-Wei Chen
- Military Plateau Medicine, Third Military Medical University, Chongqing, China
| | - Qi-Quan Chen
- Dermatology Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Xue Li
- Medical Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Guo-Jing Song
- Urology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Rong-Rong Ni
- Medical Department, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Zhi-Qiang Song
- Dermatology Department, Southwest Hospital, Third Military Medical University, Chongqing, China
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17
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Zha Z, Chen Q, Xiao D, Pan C, Xu W, Shen L, Shen J, Chen W. Mussel-Inspired Microgel Encapsulated NLRP3 Inhibitor as a Synergistic Strategy Against Dry Eye. Front Bioeng Biotechnol 2022; 10:913648. [PMID: 35721850 PMCID: PMC9198461 DOI: 10.3389/fbioe.2022.913648] [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: 04/06/2022] [Accepted: 04/18/2022] [Indexed: 11/13/2022] Open
Abstract
The inflammatory response mediated by oxidative stress is the main pathogenesis of dry eye, but clinical observations have shown that scavenging oxygen-free radicals alone has limited therapeutic effect. Moreover, the unique anatomy and physiology of the ocular surface result in low bioavailability of drugs, and higher concentration is required to achieve the desired efficacy, which, however, may bring systemic side effects. These problems pose a challenge, but the revelation of the ROS-NLRP3-IL-1β signaling axis opens up new possibilities. In this investigation, an NLRP3 inhibitor was successfully encapsulated in polydopamine-based microgels and used for dry eye treatment. It was demonstrated that the well-designed microgels exhibited good biocompatibility, prolonged drug retention time on the ocular surface, and effective inhibition of corneal epithelial damage and cell apoptosis. In addition, due to the synergistic effect, the NLRP3 inhibitor–loaded microgels could exert enhanced oxygen radical scavenging and inflammation-inhibiting effects at a lower dose than monotherapy. These findings suggest that polydopamine-based microgels have advantages as ocular surface drug delivery platforms and have promising applications in oxidative damage–related inflammatory diseases in synergy with anti-inflammatory drugs.
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Affiliation(s)
- Zhiwei Zha
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
| | - Qiumeng Chen
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
| | - Decheng Xiao
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
| | - Chengjie Pan
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
| | - Wei Xu
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
| | - Liangliang Shen
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Liangliang Shen, ; Jianliang Shen, ; Wei Chen,
| | - Jianliang Shen
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, China
- *Correspondence: Liangliang Shen, ; Jianliang Shen, ; Wei Chen,
| | - Wei Chen
- Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Liangliang Shen, ; Jianliang Shen, ; Wei Chen,
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18
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Lin WY, Li LH, Hsiao YY, Wong WT, Chiu HW, Hsu HT, Peng YJ, Ho CL, Chernikov OV, Cheng SM, Yang SP, Hua KF. Repositioning of the Angiotensin II Receptor Antagonist Candesartan as an Anti-Inflammatory Agent With NLRP3 Inflammasome Inhibitory Activity. Front Immunol 2022; 13:870627. [PMID: 35669789 PMCID: PMC9163344 DOI: 10.3389/fimmu.2022.870627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/25/2022] [Indexed: 11/29/2022] Open
Abstract
Aberrant activation of the NLRP3 inflammasome promotes the pathogenesis of many inflammatory diseases. The development of the NLRP3 inflammasome inhibitors from existing drugs for new therapeutic purposes is becoming more important. Candesartan is an angiotensin II receptor antagonist widely used as a blood pressure-lowering drug; however, the inhibitory potential of candesartan on the NLRP3 inflammasome has not yet been investigated. We demonstrated that candesartan significantly inhibited the NLRP3 inflammasome and pyroptosis in macrophages. Mechanistic analysis revealed that candesartan inhibited the expression of NLRP3 and proIL-1β by suppressing NF-κB activation and reducing the phosphorylation of ERK1/2 and JNK1/2. Candesartan reduced mitochondrial damage and inhibited the NLRP3 inflammasome assembly by suppressing NLRP3 binding to PKR, NEK7 and ASC. In addition, candesartan inhibited IL-1β secretion partially through autophagy induction. Furthermore, oral administration of candesartan reduced peritoneal neutrophil influx, NLRP3 and ASC expression in peritoneal cells, and lavage fluid concentrations of active caspase-1, IL-1β, IL-6 and MCP-1 in uric acid crystal-injected mice. These results indicated that candesartan has board anti-inflammatory effects and has the potential to be repositioned to ameliorate inflammatory diseases or NLRP3-associated complications.
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Affiliation(s)
- Wen-Yu Lin
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ya-Yun Hsiao
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Hsien-Ta Hsu
- Division of Neurosurgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei City, Taiwan
- School of Medicine, Bu ddhist Tzu Chi University, Hualien, Taiwan
| | - Yi-Jen Peng
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Oleg V. Chernikov
- G.B. Elyakov Pacific Institute, Bioorganic Chemistry of the Far-Eastern Branch of the Russian Academy of Sciences (FEB RAS), Vladivostok, Russia
| | - Shu-Meng Cheng
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Shih-Ping Yang
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Feng Hua
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- *Correspondence: Kuo-Feng Hua,
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19
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Zhao Y, Quan Y, Lei T, Fan L, Ge X, Hu S. The Role of Inflammasome NLPR3 in the Development and Therapy of Periodontitis. Int J Med Sci 2022; 19:1603-1614. [PMID: 36185327 PMCID: PMC9515687 DOI: 10.7150/ijms.74575] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 09/07/2022] [Indexed: 11/05/2022] Open
Abstract
Periodontitis is a chronic inflammatory disease that affects tooth-supporting tissues and even leads to tooth loss. NLRP3 inflammasomes play a critical role in periodontitis pathogenesis. Aberrant activation or overexpression of NLRP3 inflammasomes in cellular players, including osteoclasts, osteoblasts, periodontal ligament fibroblasts, and leukocytes often contributes to cellular dysfunction and environment abnormality, thus resulting in the disorganization of ligament and alveolar bone. In this review, we mainly focus on the negative regulation of NLRP3 inflammasome in periodontitis and highlight the importance of NLRP3 inflammasome as a candidate therapeutic target in periodontitis treatment. Then we elucidate the development status of NLRP3 inflammasome inhibitors and show their application potential for treating periodontitis. In summary, this review reveals the recent progress and perspectives of NLRP3 inflammasome and the therapeutic potential of NLRP3 inflammasome inhibitors in periodontitis.
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Affiliation(s)
- Ying Zhao
- Department of Anesthesiology & Perioperative Medicine, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
| | - Yue Quan
- Department of Stomatology, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
| | - Ting Lei
- Department of Anesthesiology & Perioperative Medicine, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
| | - Liumeizi Fan
- Department of Anesthesiology & Perioperative Medicine, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
| | - Xin Ge
- Department of Stomatology, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
| | - Sheng Hu
- Department of Anesthesiology & Perioperative Medicine, Xi'an People's Hospital (Xi'an Fourth Hospital), Xi'an, Shaanxi 710100, China
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20
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Alsagaff MY, Mulia EPB. Hypertension and COVID-19: Potential use of beta-blockers and a call for randomized evidence. Indian Heart J 2021; 73:757-759. [PMID: 34717930 PMCID: PMC8550882 DOI: 10.1016/j.ihj.2021.10.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 10/25/2021] [Indexed: 12/24/2022] Open
Abstract
Hypertension is one of the most common morbidities in COVID-19. Previous studies demonstrated that hypertension increases composite poor outcomes in patients with COVID-19. Beta-blockers is widely used as one of the most common antihypertensive agents. Beta-blockers may hold potential benefits in COVID-19 treatment, with current evidence of the potential mechanism of beta-blockers remains scarce. However, several mechanisms were suggested, including decreasing RAAS pathway activity and lowering the ACE2 levels, reducing cytokine storms, and may be beneficial in reducing mortality in ARDS related COVID-19. Further large-scale randomized clinical trials should be conducted before a definite recommendation can be drawn.
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Affiliation(s)
- Mochamad Yusuf Alsagaff
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Hospital, Surabaya, Indonesia; Universitas Airlangga Hospital, Surabaya, Indonesia.
| | - Eka Prasetya Budi Mulia
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Hospital, Surabaya, Indonesia.
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21
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Rivero CV, Martínez SJ, Novick P, Cueto JA, Salassa BN, Vanrell MC, Li X, Labriola CA, Polo LM, Engman DM, Clos J, Romano PS. Repurposing Carvedilol as a Novel Inhibitor of the Trypanosoma cruzi Autophagy Flux That Affects Parasite Replication and Survival. Front Cell Infect Microbiol 2021; 11:657257. [PMID: 34476220 PMCID: PMC8406938 DOI: 10.3389/fcimb.2021.657257] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/20/2021] [Indexed: 11/13/2022] Open
Abstract
T. cruzi, the causal agent of Chagas disease, is a parasite able to infect different types of host cells and to persist chronically in the tissues of human and animal hosts. These qualities and the lack of an effective treatment for the chronic stage of the disease have contributed to the durability and the spread of the disease around the world. There is an urgent necessity to find new therapies for Chagas disease. Drug repurposing is a promising and cost-saving strategy for finding new drugs for different illnesses. In this work we describe the effect of carvedilol on T. cruzi. This compound, selected by virtual screening, increased the accumulation of immature autophagosomes characterized by lower acidity and hydrolytic properties. As a consequence of this action, the survival of trypomastigotes and the replication of epimastigotes and amastigotes were impaired, resulting in a significant reduction of infection and parasite load. Furthermore, carvedilol reduced the whole-body parasite burden peak in infected mice. In summary, in this work we present a repurposed drug with a significant in vitro and in vivo activity against T. cruzi. These data in addition to other pharmacological properties make carvedilol an attractive lead for Chagas disease treatment.
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Affiliation(s)
- Cynthia Vanesa Rivero
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina.,Leishmaniasis Group, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Santiago José Martínez
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina.,Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, CA, United States
| | - Paul Novick
- Department of Chemistry, Stanford University, San Francisco, CA, United States
| | - Juan Agustín Cueto
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Betiana Nebaí Salassa
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina
| | - María Cristina Vanrell
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Xiaomo Li
- Leishmaniasis Group, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Carlos Alberto Labriola
- Laboratorio de Biología estructural y celular, Fundación Instituto Leloir (FIL-CONICET), Buenos Aires, Argentina
| | - Luis Mariano Polo
- Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina
| | - David M Engman
- Department of Pathology and Laboratory Medicine, Cedars Sinai Medical Center, Los Angeles, CA, United States
| | - Joachim Clos
- Leishmaniasis Group, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Patricia Silvia Romano
- Laboratorio de Biología de Trypanosoma cruzi y la célula hospedadora - Instituto de Histología y Embriología "Dr. Mario H. Burgos", IHEM-CONICET- Universidad Nacional de Cuyo, Mendoza, Argentina
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22
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Yang SR, Hua KF, Yang CY, Chen A, Weng JC, Tsai YL, Wan CJ, Wu CY, Lee CC, Chan JF, Hsieh CY, Hsu YJ, Wu CC, Mukhopadhyay D, Huang HS, Liu FC, Ka SM. Cf-02, a novel benzamide-linked small molecule, blunts NF-κB activation and NLRP3 inflammasome assembly and improves acute onset of accelerated and severe lupus nephritis in mice. FASEB J 2021; 35:e21785. [PMID: 34314075 PMCID: PMC10083056 DOI: 10.1096/fj.202100047r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 06/15/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023]
Abstract
In the present study, acute onset of severe lupus nephritis was successfully treated in mice using a new, benzamide-linked, small molecule that targets immune modulation and the NLRP3 inflammasome. Specifically, 6-(2,4-difluorophenyl)-3-(3-(trifluoromethyl)phenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione (Cf-02) (a) reduced serum levels of IgG anti-dsDNA, IL-1β, IL-6, and TNF-α, (b) inhibited activation of dendritic cells and differentially regulated T cell functions, and (c) suppressed the NF-κB/NLRP3 inflammasome axis, targeting priming and activating signals of the inflammasome. Moreover, treatment with Cf-02 significantly inhibited secretion of IL-1β in lipopolysaccharide-stimulated macrophages, but this effect was abolished by autophagy induction. These results recommend Cf-02 as a promising drug candidate for the serious renal conditions associated with systemic lupus erythematosus. Future investigations should examine whether Cf-02 may also be therapeutic in other types of chronic kidney disease involving NLRP3 inflammasome-driven signaling.
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Affiliation(s)
- Shin-Ruen Yang
- Department of Medicine, Graduate Institute of Aerospace and Undersea Medicine, Academy of Medicine, National Defense Medical Center, Taipei, Taiwan
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Chih-Yu Yang
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Division of Nephrology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Ann Chen
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jui-Chun Weng
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yu-Ling Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Jun Wan
- Department of Medicine, Graduate Institute of Aerospace and Undersea Medicine, Academy of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Chung-Yao Wu
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chia-Chung Lee
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jia-Feng Chan
- Division of Nephrology, Department of Internal Medicine, En Chu Kong Hospital, New Taipei City, Taiwan
| | - Chih-Yu Hsieh
- Division of Nephrology, Department of Internal Medicine, En Chu Kong Hospital, New Taipei City, Taiwan
- College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yu-Juei Hsu
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chia-Chao Wu
- Division of Nephrology, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | | | - Hsu-Shan Huang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Feng-Cheng Liu
- Department of Rheumatology/Immunology and Allergy, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Shuk-Man Ka
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
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23
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Autophagy Regulation on Pyroptosis: Mechanism and Medical Implication in Sepsis. Mediators Inflamm 2021; 2021:9925059. [PMID: 34257519 PMCID: PMC8253640 DOI: 10.1155/2021/9925059] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/14/2021] [Indexed: 02/07/2023] Open
Abstract
Sepsis is defined as a life-threatening disease involving multiple organ dysfunction caused by dysregulated host responses to infection. To date, sepsis remains a dominant cause of death among critically ill patients. Pyroptosis is a unique form of programmed cell death mediated by the gasdermin family of proteins and causes lytic cell death and release of proinflammatory cytokines. Although there might be some positive aspects to pyroptosis, it is regarded as harmful during sepsis and needs to be restricted. Autophagy was originally characterized as a homeostasis-maintaining mechanism in living cells. In the past decade, its function in negatively modulating pyroptosis and inflammation during sepsis has attracted increased attention. Here, we present a comprehensive review of the regulatory effect of autophagy on pyroptosis during sepsis, including the latest advances in our understanding of the mechanism and signaling pathways involved, as well as the potential therapeutic application in sepsis.
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24
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Packer M. Longevity genes, cardiac ageing, and the pathogenesis of cardiomyopathy: implications for understanding the effects of current and future treatments for heart failure. Eur Heart J 2021; 41:3856-3861. [PMID: 32460327 PMCID: PMC7599035 DOI: 10.1093/eurheartj/ehaa360] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 03/26/2020] [Accepted: 04/17/2020] [Indexed: 12/11/2022] Open
Abstract
The two primary molecular regulators of lifespan are sirtuin-1 (SIRT1) and mammalian target of rapamycin complex 1 (mTORC1). Each plays a central role in two highly interconnected pathways that modulate the balance between cellular growth and survival. The activation of SIRT1 [along with peroxisome proliferator-activated receptor-gamma coactivator (PGC-1α) and adenosine monophosphate-activated protein kinase (AMPK)] and the suppression of mTORC1 (along with its upstream regulator, Akt) act to prolong organismal longevity and retard cardiac ageing. Both activation of SIRT1/PGC-1α and inhibition of mTORC1 shifts the balance of cellular priorities so as to promote cardiomyocyte survival over growth, leading to cardioprotective effects in experimental models. These benefits may be related to direct actions to modulate oxidative stress, organellar function, proinflammatory pathways, and maladaptive hypertrophy. In addition, a primary shared benefit of both SIRT1/PGC-1α/AMPK activation and Akt/mTORC1 inhibition is the enhancement of autophagy, a lysosome-dependent degradative pathway, which clears the cytosol of dysfunctional organelles and misfolded proteins that drive the ageing process by increasing oxidative and endoplasmic reticulum stress. Autophagy underlies the ability of SIRT1/PGC-1α/AMPK activation and Akt/mTORC1 suppression to extend lifespan, mitigate cardiac ageing, alleviate cellular stress, and ameliorate the development and progression of cardiomyopathy; silencing of autophagy genes abolishes these benefits. Loss of SIRT1/PGC-1α/AMPK function or hyperactivation of Akt/mTORC1 is a consistent feature of experimental cardiomyopathy, and reversal of these abnormalities mitigates the development of heart failure. Interestingly, most treatments that have been shown to be clinically effective in the treatment of chronic heart failure with a reduced ejection fraction have been reported experimentally to exert favourable effects to activate SIRT1/PGC-1α/AMPK and/or suppress Akt/mTORC1, and thereby, to promote autophagic flux. Therefore, the impairment of autophagy resulting from derangements in longevity gene signalling is likely to represent a seminal event in the evolution and progression of cardiomyopathy. ![]()
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Affiliation(s)
- Milton Packer
- Baylor Heart and Vascular Institute, Baylor University Medical Center, 621 N. Hall Street, Dallas, TX 75226, USA.,Imperial College, London, UK
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25
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Dunkley JC, Irion CI, Yousefi K, Shehadeh SA, Lambert G, John-Williams K, Webster KA, Goldberger JJ, Shehadeh LA. Carvedilol and exercise combination therapy improves systolic but not diastolic function and reduces plasma osteopontin in Col4a3-/- Alport mice. Am J Physiol Heart Circ Physiol 2021; 320:H1862-H1872. [PMID: 33769915 PMCID: PMC8163658 DOI: 10.1152/ajpheart.00535.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 02/16/2021] [Accepted: 03/19/2021] [Indexed: 11/22/2022]
Abstract
There are currently no Food and Drug Administration-approved treatments for heart failure with preserved ejection fraction (HFpEF). Here we compared the effects of exercise with and without α/β-adrenergic blockade with carvedilol in Col4a3-/- Alport mice, a model of the phenogroup 3 subclass of HFpEF with underlying renal dysfunction. Alport mice were assigned to the following groups: no treatment control (n = 29), carvedilol (n = 11), voluntary exercise (n = 9), and combination carvedilol and exercise (n = 8). Cardiac function was assessed by echocardiography after 4-wk treatments. Running activity of Alport mice was similar to wild types at 1 mo of age but markedly reduced at 2 mo (1.3 ± 0.40 vs. 4.5 ± 1.02 km/day, P < 0.05). There was a nonsignificant trend for increased running activity at 2 mo by carvedilol in the combination treatment group. Combination treatments conferred increased body weight of Col4a3-/- mice (22.0 ± 1.18 vs. 17.8 ± 0.29 g in untreated mice, P < 0.01), suggesting improved physiology, and heart rates declined by similar increments in all carvedilol-treatment groups. The combination treatment improved systolic parameters; stroke volume (30.5 ± 1.99 vs. 17.8 ± 0.77 μL, P < 0.0001) as well as ejection fraction and global longitudinal strain compared with controls. Myocardial performance index was normalized by all interventions (P < 0.0001). Elevated osteopontin plasma levels in control Alport mice were significantly lowered only by combination treatment, and renal function of the Alport group assessed by urine albumin creatinine ratio was significantly improved by all treatments. The results support synergistic roles for exercise and carvedilol to augment cardiac systolic function of Alport mice with moderately improved renal functions but no change in diastole.NEW & NOTEWORTHY In an Alport mouse model of heart failure with preserved ejection fraction (HFpEF), exercise and carvedilol synergistically improved systolic function without affecting diastole. Carvedilol alone or in combination with exercise also improved kidney function. Molecular analyses indicate that the observed improvements in cardiorenal functions were mediated at least in part by effects on serum osteopontin and related inflammatory cytokine cascades. The work presents new potential therapeutic targets and approaches for HFpEF.
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MESH Headings
- Adrenergic beta-Antagonists/pharmacology
- Animals
- Autoantigens/genetics
- Biomarkers/blood
- Carvedilol/pharmacology
- Collagen Type IV/deficiency
- Collagen Type IV/genetics
- Combined Modality Therapy
- Diastole
- Disease Models, Animal
- Down-Regulation
- Exercise Therapy
- Heart Failure/blood
- Heart Failure/genetics
- Heart Failure/physiopathology
- Heart Failure/therapy
- Mice, 129 Strain
- Mice, Knockout
- Nephritis, Hereditary/blood
- Nephritis, Hereditary/genetics
- Nephritis, Hereditary/physiopathology
- Nephritis, Hereditary/therapy
- Osteopontin/blood
- Recovery of Function
- Systole
- Ventricular Dysfunction, Left/blood
- Ventricular Dysfunction, Left/genetics
- Ventricular Dysfunction, Left/physiopathology
- Ventricular Dysfunction, Left/therapy
- Ventricular Function, Left/drug effects
- Mice
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Affiliation(s)
- Julian C Dunkley
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Camila I Irion
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Keyvan Yousefi
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Department of Molecular and Cellular Pharmacology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Serene A Shehadeh
- Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Guerline Lambert
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Krista John-Williams
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Keith A Webster
- Vascular Biology Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Jeffrey J Goldberger
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Lina A Shehadeh
- Interdisciplinary Stem Cell Institute, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
- Peggy and Harold Katz Family Drug Discovery Center, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
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26
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Oz M, Lorke DE, Kabbani N. A comprehensive guide to the pharmacologic regulation of angiotensin converting enzyme 2 (ACE2), the SARS-CoV-2 entry receptor. Pharmacol Ther 2021; 221:107750. [PMID: 33275999 PMCID: PMC7854082 DOI: 10.1016/j.pharmthera.2020.107750] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 02/06/2023]
Abstract
The recent emergence of coronavirus disease-2019 (COVID-19) as a global pandemic has prompted scientists to address an urgent need for defining mechanisms of disease pathology and treatment. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent for COVID-19, employs angiotensin converting enzyme 2 (ACE2) as its primary target for cell surface attachment and likely entry into the host cell. Thus, understanding factors that may regulate the expression and function of ACE2 in the healthy and diseased body is critical for clinical intervention. Over 66% of all adults in the United States are currently using a prescription drug and while earlier findings have focused on possible upregulation of ACE2 expression through the use of renin angiotensin system (RAS) inhibitors, mounting evidence suggests that various other widely administered drugs used in the treatment of hypertension, heart failure, diabetes mellitus, hyperlipidemias, coagulation disorders, and pulmonary disease may also present a varied risk for COVID-19. Specifically, we summarize mechanisms on how heparin, statins, steroids and phytochemicals, besides their established therapeutic effects, may also interfere with SARS-CoV-2 viral entry into cells. We also describe evidence on the effect of several vitamins, phytochemicals, and naturally occurring compounds on ACE2 expression and activity in various tissues and disease models. This comprehensive review aims to provide a timely compendium on the potential impact of commonly prescribed drugs and pharmacologically active compounds on COVID-19 pathology and risk through regulation of ACE2 and RAS signaling.
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Key Words
- adam17, a disintegrin and metalloprotease 17
- ace, angiotensin i converting enzyme
- ace-inh., angiotensin i converting enzyme inhibitor
- ampk, amp-activated protein kinase
- ang-ii, angiotensin ii
- arb, angiotensin ii type 1-receptor blocker
- ards, acute respiratory distress syndrome
- at1-r, angiotensin ii type 1-receptor
- βarb, β-adrenergic receptor blockers
- bk, bradykinin
- ccb, calcium channel blockers
- ch25h, cholesterol-25-hydroxylase
- copd, chronic obstructive lung disease
- cox, cyclooxygenase
- covid-19, coronavirus disease-2019
- dabk, [des-arg9]-bradykinin
- erk, extracellular signal-regulated kinase
- 25hc, 25-hydroxycholesterol
- hs, heparan sulfate
- hspg, heparan sulfate proteoglycan
- ibd, inflammatory bowel disease
- map, mitogen-activated protein
- mers, middle east respiratory syndrome
- mrb, mineralocorticoid receptor blocker
- nos, nitric oxide synthase
- nsaid, non-steroid anti-inflammatory drug
- ras, renin-angiotensin system
- sars-cov, severe acute respiratory syndrome coronavirus
- sh, spontaneously hypertensive
- s protein, spike protein
- sirt1, sirtuin 1
- t2dm, type 2 diabetes mellitus
- tcm, traditional chinese medicine
- tmprss2, transmembrane protease, serine 2
- tnf, tumor necrosis factor
- ufh, unfractionated heparin
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Affiliation(s)
- Murat Oz
- Department of Pharmacology and Therapeutics, Faculty of Pharmacy, Kuwait University, Safat 13110, Kuwait.
| | - Dietrich Ernst Lorke
- Department of Anatomy and Cellular Biology, College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates; Center for Biotechnology, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
| | - Nadine Kabbani
- School of Systems Biology, George Mason University, Fairfax, VA 22030, USA
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27
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Tan K, Harazim M, Simpson A, Tan YC, Gunawan G, Robledo KP, Whitehead C, Tang B, Mclean A, Nalos M. Association Between Premorbid Beta-Blocker Exposure and Sepsis Outcomes-The Beta-Blockers in European and Australian/American Septic Patients (BEAST) Study. Crit Care Med 2021; 49:1493-1503. [PMID: 33938711 DOI: 10.1097/ccm.0000000000005034] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To examine the effect of premorbid β-blocker exposure on mortality and organ dysfunction in sepsis. DESIGN Retrospective observational study. SETTING ICUs in Australia, the Czech Republic, and the United States. PATIENTS Total of 4,086 critical care patients above 18 years old with sepsis between January 2014 and December 2018. INTERVENTION Premorbid beta-blocker exposure. MEASUREMENTS AND MAIN RESULTS One thousand five hundred fifty-six patients (38%) with premorbid β-blocker exposure were identified. Overall ICU mortality rate was 15.1%. In adjusted models, premorbid β-blocker exposure was associated with decreased ICU (adjusted odds ratio, 0.80; 95% CI, 0.66-0.97; p = 0.025) and hospital (adjusted odds ratio, 0.83; 95% CI, 0.71-0.99; p = 0.033) mortality. The risk reduction in ICU mortality of 16% was significant (hazard ratio, 0.84, 95% CI, 0.71-0.99; p = 0.037). In particular, exposure to noncardioselective β-blocker before septic episode was associated with decreased mortality. Sequential Organ Failure Assessment score analysis showed that premorbid β-blocker exposure had potential benefits in reducing respiratory and neurologic dysfunction. CONCLUSIONS This study suggests that β-blocker exposure prior to sepsis, especially to noncardioselective β blockers, may be associated with better outcome. The findings suggest prospective evaluation of β-blocker use in the management of sepsis.
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Affiliation(s)
- Kaiquan Tan
- 1 Nepean Clinical School, Sydney Medical School, University of Sydney, Sydney, NSW, Australia. 2 Medical Intensive Care Unit, University Hospital and Biomedicine Centre, Pilsen, Charles University Prague, Czech Republic. 3 Department of Intensive Care Medicine, Nepean Hospital, Kingswood, NSW, Australia. 4 Department of Computer Science, Yale University, New Haven, CT. 5 Medistra Hospital, Jakarta, Indonesia. 6 NHMRC Clinical Trials Centre, The University of Sydney, Sydney, NSW, Australia. 7 Centre for immunology and allergy research, Westmead Millennium Institute, Westmead, NSW, Australia
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28
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He B, Nie Q, Wang F, Han Y, Yang B, Sun M, Fan X, Ye Z, Liu P, Wen J. Role of pyroptosis in atherosclerosis and its therapeutic implications. J Cell Physiol 2021; 236:7159-7175. [PMID: 33755211 DOI: 10.1002/jcp.30366] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/20/2021] [Accepted: 03/08/2021] [Indexed: 12/11/2022]
Abstract
Atherosclerosis is a significant cardiovascular burden and a leading cause of death worldwide, recognized as a chronic sterile inflammatory disease. Pyroptosis is a novel proinflammatory regulated cell death, characterized by cell swelling, plasma membrane bubbling, and robust release of proinflammatory cytokines (such as interleukin IL-1β and IL-18). Mounting studies have addressed the crucial contribution of pyroptosis to atherosclerosis and clarified the candidate therapeutic agents targeting pyroptosis for atherosclerosis. Herein, we review the initial characterization of pyroptosis, the detailed mechanisms of pyroptosis, current evidence about pyroptosis and atherosclerosis, and potential therapeutic strategies that target pyroptosis in the development of atherosclerosis.
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Affiliation(s)
- Bin He
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China
| | - Qiangqiang Nie
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Feng Wang
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Yongxin Han
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Bo Yang
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Mingsheng Sun
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Xueqiang Fan
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Zhidong Ye
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Peng Liu
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.,Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Jianyan Wen
- Department of Cardiovascular Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China.,Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
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29
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Jiang X, Shao M, Liu X, Liu X, Zhang X, Wang Y, Yin K, Wang S, Hu Y, Jose PA, Zhou Z, Xu F, Yang Z. Reversible Treatment of Pressure Overload-Induced Left Ventricular Hypertrophy through Drd5 Nucleic Acid Delivery Mediated by Functional Polyaminoglycoside. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003706. [PMID: 33717857 PMCID: PMC7927605 DOI: 10.1002/advs.202003706] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/23/2020] [Indexed: 05/12/2023]
Abstract
Left ventricular hypertrophy and fibrosis are major risk factors for heart failure, which require timely and effective treatment. Genetic therapy has been shown to ameliorate hypertrophic cardiac damage. In this study, it is found that in mice, the dopamine D5 receptor (D5R) expression in the left ventricle (LV) progressively decreases with worsening of transverse aortic constriction-induced left ventricular hypertrophy. Then, a reversible treatment of left ventricular hypertrophy with Drd5 nucleic acids delivered by tobramycin-based hyperbranched polyaminoglycoside (SS-HPT) is studied. The heart-specific increase in D5R expression by SS-HPT/Drd5 plasmid in the early stage of left ventricular hypertrophy attenuates cardiac hypertrophy and fibrosis by preventing oxidative and endoplasmic reticulum (ER) stress and ameliorating autophagic dysregulation. By contrast, SS-HPT/Drd5 siRNA promotes the progression of left ventricular hypertrophy and accelerates the deterioration of myocardial function into heart failure. The reduction in cardiac D5R expression and dysregulated autophagy are observed in patients with hypertrophic cardiomyopathy and heart failure. The data show a cardiac-specific beneficial effect of SS-HPT/Drd5 plasmid on myocardial remodeling and dysfunction, which may provide an effective therapy of patients with left ventricular hypertrophy and heart failure.
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Affiliation(s)
- Xiaoliang Jiang
- NHC Key Laboratory of Human Disease Comparative Medicine (The Institute of Laboratory Animal Sciences, CAMS & PUMC), and Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases5 Pan Jia Yuan Nan Li, Chaoyang DistrictBeijing100021P. R. China
| | - Meiyu Shao
- Key Lab of Biomedical Materials of Natural MacromoleculesMinistry of EducationBeijing Laboratory of Biomedical MaterialsBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Xue Liu
- NHC Key Laboratory of Human Disease Comparative Medicine (The Institute of Laboratory Animal Sciences, CAMS & PUMC), and Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases5 Pan Jia Yuan Nan Li, Chaoyang DistrictBeijing100021P. R. China
| | - Xing Liu
- NHC Key Laboratory of Human Disease Comparative Medicine (The Institute of Laboratory Animal Sciences, CAMS & PUMC), and Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases5 Pan Jia Yuan Nan Li, Chaoyang DistrictBeijing100021P. R. China
| | - Xu Zhang
- Department of Hepato‐Biliary‐Pancreatic SurgeryHenan Provincial People's HospitalPeople's Hospital of Zhengzhou UniversityZhengzhouHenan450003P. R. China
| | - Yuming Wang
- Department of Hepato‐Biliary‐Pancreatic SurgeryHenan Provincial People's HospitalPeople's Hospital of Zhengzhou UniversityZhengzhouHenan450003P. R. China
| | - Kunlun Yin
- State Key Laboratory of Cardiovascular DiseaseBeijing Key Laboratory for Molecular Diagnostics of Cardiovascular DiseasesDiagnostic Laboratory ServiceFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing100037P. R. China
| | - Shuiyun Wang
- Department of Cardiovascular SurgeryState Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing100037P. R. China
| | - Yang Hu
- Key Lab of Biomedical Materials of Natural MacromoleculesMinistry of EducationBeijing Laboratory of Biomedical MaterialsBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Pedro A Jose
- Department of Pharmacology and PhysiologyThe George Washington University School of Medicine & Health SciencesWashingtonDC20052USA
- Department of MedicineDivision of Kidney Diseases & HypertensionThe George Washington University School of Medicine & Health SciencesWashingtonDC20052USA
| | - Zhou Zhou
- State Key Laboratory of Cardiovascular DiseaseBeijing Key Laboratory for Molecular Diagnostics of Cardiovascular DiseasesDiagnostic Laboratory ServiceFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing100037P. R. China
| | - Fu‐Jian Xu
- Key Lab of Biomedical Materials of Natural MacromoleculesMinistry of EducationBeijing Laboratory of Biomedical MaterialsBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Zhiwei Yang
- NHC Key Laboratory of Human Disease Comparative Medicine (The Institute of Laboratory Animal Sciences, CAMS & PUMC), and Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases5 Pan Jia Yuan Nan Li, Chaoyang DistrictBeijing100021P. R. China
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30
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El Sayed NF, Abdallah DM, Awad AS, Ahmed KA, El-Abhar HS. Novel peripheral role of Nurr-1/GDNF/AKT trajectory in carvedilol and/or morin hydrate hepatoprotective effect in a model of hepatic ischemia/reperfusion. Life Sci 2021; 273:119235. [PMID: 33607152 DOI: 10.1016/j.lfs.2021.119235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/31/2021] [Accepted: 02/08/2021] [Indexed: 12/26/2022]
Abstract
Although the central role of Nurr-1/GDNF has been reviewed amply, scarce data are available on their peripheral impact. Carvedilol and morin hydrate have previously conferred their hepatic anti-fibrotic action. AIM Thus, our aim was to unveil the potential hepatoprotective role of carvedilol (CR) and/or morin hydrate (MH) using a hepatic 70% partial warm ischemia/reperfusion (I/R) rat model. MAIN METHOD Rats were allocated into sham-operated, hepatic I/R, and I/R preceded by oral administration of CR (10 and 30 mg/kg; CR10/CR30), MH (30 mg/kg), or CR10 + MH for one week. KEY FINDINGS On the molecular level, pretreatment with CR and/or MH increased the hepatic contents of Nurr-1, GDNF, and the protein expression of active/p-AKT. On the other hand, they inactivated GSK3β and NF-κB to increase the antioxidant enzymes (GPx, SOD, CAT). All regimens also enhanced the autophagy/lysosomal function and boosted the protein expression of beclin-1, LC3II, and TFEB. Moreover, their antiapoptotic effect was signified by increasing the anti-apoptotic molecule Bcl2 and inhibiting Bax, Bax/Bcl2 ratio, and caspase-3, effects that were confirmed by the TUNEL assay. These improvements were reflected on liver function, as they decreased serum aminotransferases and liver structural alterations induced by I/R. Despite its mild impact, CR10 showed marked improvements when combined with MH; this synergistic interaction overrides the effect of either regimen alone. SIGNIFICANCE In conclusion, CR, MH, and especially the combination regimen, conferred hepatoprotection against I/R via activating the Nurr-1/GDNF/AKT trajectory to induce autophagy/lysosomal biogenesis, inhibit GSK3β/NF-кB hub and apoptosis, and amend redox balance.
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Affiliation(s)
- Nermein F El Sayed
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
| | - Dalaal M Abdallah
- Department of Pharmacology &Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Azza S Awad
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
| | - Kawkab A Ahmed
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Hanan S El-Abhar
- Department of Pharmacology, Toxicology and Biochemistry, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt (FUE), 11835 Cairo, Egypt
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31
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Yang SR, Hua KF, Takahata A, Wu CY, Hsieh CY, Chiu HW, Chen CH, Mukhopadhyay D, Suzuki Y, Ka SM, Huang HS, Chen A. LCC18, a benzamide-linked small molecule, ameliorates IgA nephropathy in mice. J Pathol 2021; 253:427-441. [PMID: 33373038 DOI: 10.1002/path.5609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/19/2020] [Accepted: 12/23/2020] [Indexed: 12/11/2022]
Abstract
IgA nephropathy (IgAN), an immune complex-mediated process and the most common primary glomerulonephritis, can progress to end-stage renal disease in up to 40% of patients. Accordingly, a therapeutic strategy targeting a specific molecular pathway is urgently warranted. Aided by structure characterisation and target identification, we predicted that a novel ring-fused 6-(2,4-difluorophenyl)-3-(3-(trifluoromethyl)phenyl)-2H-benzo[e][1,3]oxazine-2,4(3H)-dione (LCC18) targets the NLRP3 inflammasome, which participates in IgAN pathogenesis. We further developed biomarkers for the disease. We used two complementary IgAN models in C57BL/6 mice, involving TEPC-15 hybridoma-derived IgA, and in gddY mice. Moreover, we created specific cell models to validate therapeutic effects of LCC18 on IgAN and to explain its underlying mechanisms. IgAN mice benefited significantly from treatment with LCC18, showing dramatically improved renal function, including greatly reduced proteinuria and renal pathology. Mechanistic studies showed that the mode of action specifically involved: (1) blocking of the MAPKs/COX-2 axis-mediated priming of the NLRP3 inflammasome; (2) inhibition of ASC oligomerisation and NLRP3 inflammasome assembly by inhibiting NLRP3 binding to PKR, NEK7 and ASC; and (3) activation of autophagy. LCC18 exerts therapeutic effects on murine IgAN by differentially regulating NLRP3 inflammasome activation and autophagy induction, suggesting this new compound as a promising drug candidate to treat IgAN. © 2020 The Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Shin-Ruen Yang
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
| | - Akiko Takahata
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Chung-Yao Wu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Yu Hsieh
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Hsiao-Wen Chiu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Cheng-Hsu Chen
- Division of Nephrology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | | | - Yusuke Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Shuk-Man Ka
- Graduate Institute of Aerospace and Undersea Medicine, Department of Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Hsu-Shan Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Graduate Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan
| | - Ann Chen
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.,Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
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32
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Wu CH, Gan CH, Li LH, Chang JC, Chen ST, Menon MP, Cheng SM, Yang SP, Ho CL, Chernikov OV, Lin CH, Lam Y, Hua KF. A Synthetic Small Molecule F240B Decreases NLRP3 Inflammasome Activation by Autophagy Induction. Front Immunol 2020; 11:607564. [PMID: 33424855 PMCID: PMC7793731 DOI: 10.3389/fimmu.2020.607564] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/18/2020] [Indexed: 11/28/2022] Open
Abstract
Conjugated polyenes are a class of widely occurring natural products with various biological functions. We previously identified 4-hydroxy auxarconjugatin B (4-HAB) as anti‐inflammatory agent with an IC50 of ~20 µM. In this study, we synthesized a new anti‐inflammatory 4-HAB analogue, F240B, which has an IC50 of less than 1 µM. F240B dose-dependently induced autophagy by increasing autophagic flux, LC3 speck formation and acidic vesicular organelle formation. F240B inhibited NACHT, LRR and PYD domain-containing protein 3 (NLRP3) inflammasome activation through autophagy induction. In a mechanistic study, F240B inhibited interleukin (IL)-1β (IL-1β) precursor expression, promoted degradation of NLRP3 and IL-1β, and reduced mitochondrial membrane integrity loss in an autophagy-dependent manner. Additionally, F240B inhibited apoptosis-associated speck-like protein containing a CARD (ASC) oligomerization and speck formation without affecting the interaction between NLRP3 and ASC or NIMA-related kinase 7 (NEK7) and double-stranded RNA-dependent kinase (PKR). Furthermore, F240B exerted in vivo anti-inflammatory activity by reducing the intraperitoneal influx of neutrophils and the levels of IL-1β, active caspase-1, IL-6 and monocyte chemoattractant protein-1 (MCP-1) in lavage fluids in a mouse model of uric acid crystal-induced peritonitis. In conclusion, F240B attenuated the NLRP3 inflammasome through autophagy induction and can be developed as an anti-inflammatory agent in the future.
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Affiliation(s)
- Chun-Hsien Wu
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan
| | - Chin Heng Gan
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei, Taiwan.,Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jen-Che Chang
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Shin-Tai Chen
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Mridula P Menon
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Shu-Meng Cheng
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Shih-Ping Yang
- Division of Cardiology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chen-Lung Ho
- Division of Wood Cellulose, Taiwan Forestry Research Institute, Taipei, Taiwan
| | - Oleg V Chernikov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry FEB RAS, Vladivostok, Russia
| | - Chi-Hung Lin
- Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan.,Department of Biological Science & Technology, National Chiao Tung University, Hsinchu, Taiwan
| | - Yulin Lam
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Kuo-Feng Hua
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.,Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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33
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Vasanthakumar N. Beta-Adrenergic Blockers as a Potential Treatment for COVID-19 Patients. Bioessays 2020; 42:e2000094. [PMID: 32815593 PMCID: PMC7460992 DOI: 10.1002/bies.202000094] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/28/2020] [Indexed: 12/19/2022]
Abstract
More than 15 million people have been affected by coronavirus disease 2019 (COVID-19) and it has caused 640 016 deaths as of July 26, 2020. Currently, no effective treatment option is available for COVID-19 patients. Though many drugs have been proposed, none of them has shown particular efficacy in clinical trials. In this article, the relationship between the Adrenergic system and the renin-angiotensin-aldosterone system (RAAS) is focused in COVID-19 and a vicious circle consisting of the Adrenergic system-RAAS-Angiotensin converting enzyme 2 (ACE2)-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (which is referred to as the "ARAS loop") is proposed. Hyperactivation of the ARAS loop may be the underlying pathophysiological mechanism in COVID-19, and beta-adrenergic blockers are proposed as a potential treatment option. Beta-adrenergic blockers may decrease the SARS-CoV-2 cellular entry by decreasing ACE2 receptors expression and cluster of differentiation 147 (CD147) in various cells in the body. Beta-adrenergic blockers may decrease the morbidity and mortality in COVID-19 patients by preventing or reducing acute respiratory distress syndrome (ARDS) and other complications. Retrospective and prospective clinical trials should be conducted to check the validity of the hypothesis. Also see the video abstract here https://youtu.be/uLoy7do5ROo.
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Affiliation(s)
- Natesan Vasanthakumar
- School of Chemical and BiotechnologySASTRA Deemed UniversityThanjavurTamil Nadu613401India
- Present address:
Abel ClinicUthangaraiTamil Nadu635207India
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Wu CY, Hua KF, Yang SR, Tsai YS, Yang SM, Hsieh CY, Wu CC, Chang JF, Arbiser JL, Chang CT, Chen A, Ka SM. Tris DBA ameliorates IgA nephropathy by blunting the activating signal of NLRP3 inflammasome through SIRT1- and SIRT3-mediated autophagy induction. J Cell Mol Med 2020; 24:13609-13622. [PMID: 33135320 PMCID: PMC7753881 DOI: 10.1111/jcmm.15663] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 06/12/2020] [Accepted: 06/16/2020] [Indexed: 11/28/2022] Open
Abstract
Tris (dibenzylideneacetone) dipalladium (Tris DBA), a small‐molecule palladium complex, can inhibit cell growth and proliferation in pancreatic cancer, lymphocytic leukaemia and multiple myeloma. Given that this compound is particularly active against B‐cell malignancies, we have been suggested that it can alleviate immune complexes (ICs)–mediated conditions, especially IgA nephropathy (IgAN). The therapeutic effects of Tris DBA on glomerular cell proliferation and renal inflammation and mechanism of action were examined in a mouse model of IgAN. Treatment of IgAN mice with Tris DBA resulted in markedly improved renal function, albuminuria and renal pathology, including glomerular cell proliferation, neutrophil infiltration, sclerosis and periglomerular inflammation in the renal interstitium, together with (Clin J Am Soc Nephrol. 2011, 6, 1301‐1307) reduced mitochondrial ROS generation; (Am J Physiol‐Renal Physiol. 2011. 301, F1218‐F1230) differentially regulated autophagy and NLRP3 inflammasome; (Clin J Am Soc Nephrol. 2012, 7, 427‐436) inhibited phosphorylation of JNK, ERK and p38 MAPK signalling pathways, and priming signal of the NLRP3 inflammasome; and (Free Radic Biol Med. 2013, 61, 285‐297) blunted NLRP3 inflammasome activation through SIRT1‐ and SIRT3‐mediated autophagy induction, in renal tissues or cultured macrophages. In conclusion, Tris DBA effectively ameliorated the mouse IgAN model and targeted signalling pathways downstream of ICs‐mediated interaction, which is a novel immunomodulatory strategy. Further development of Tris DBA as a therapeutic candidate for IgAN is warranted.
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Affiliation(s)
- Chung-Yao Wu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan, Taiwan
| | - Shin-Ruen Yang
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Shan Tsai
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Shun-Min Yang
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Chih-Yu Hsieh
- Department of Internal Medicine, En Chu Kong Hospital, New Taipei City, Taiwan.,Renal Care Joint Foundation, New Taipei City, Taiwan
| | - Chia-Chao Wu
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jia-Feng Chang
- Department of Internal Medicine, En Chu Kong Hospital, New Taipei City, Taiwan.,Renal Care Joint Foundation, New Taipei City, Taiwan
| | - Jack L Arbiser
- Department of Dermatology, Emory School of Medicine, and Winship Cancer Institute, Atlanta, GA, USA.,Atlanta Veterans Administration Medical Center, Decatur, GA, USA
| | - Chiz-Tzung Chang
- Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Ann Chen
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan.,Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Shuk-Man Ka
- Graduate Institute of Aerospace and Undersea Medicine, Department of Medicine, National Defense Medical Center, Taipei, Taiwan
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35
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Hu Y, Wang X, Li Q, Pan Y, Xu L. Salvianolic acid B alleviates myocardial ischemic injury by promoting mitophagy and inhibiting activation of the NLRP3 inflammasome. Mol Med Rep 2020; 22:5199-5208. [PMID: 33174042 PMCID: PMC7646978 DOI: 10.3892/mmr.2020.11589] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 09/22/2020] [Indexed: 01/01/2023] Open
Abstract
Ischemic heart disease is a major cause of mortality and disability worldwide. Salvianolic acid B (Sal B) is one of the main water-soluble components of Salvia miltiorrhiza Bge. Numerous studies have demonstrated that Sal B could exert significant anti-inflammatory and cardiovascular protective effects; however, the underlying mechanisms remain unclear. To elucidate the association between myocardial ischemia and inflammation, and to develop effective protective drugs, a rat model of myocardial ischemia was induced using isoproterenol (ISO) and an inflammation model in H9C2 cells was induced with lipopolysaccharide + adenosine triphosphate. Both of these models were treated with different concentrations of Sal B (5, 10 and 15 mg/kg in vivo; 1, 5 and 25 µM in vitro). In vivo, the serum levels of creatine kinase isoenzyme MB, glutamic oxaloacetic transaminase and IL-1β, the cardiac function and the mRNA expression levels of NLR family pyrin domain-containing 3 (NLRP3) inflammasome components were evaluated using ELISAs, an electrocardiogram, hematoxylin and eosin staining and reverse transcription-quantitative PCR, respectively. The results demonstrated that treatment with Sal B markedly alleviated the acute myocardial ischemic injury induced by hypodermic injection of ISO in rats. In vitro, the results of reactive oxygen species (ROS) detection, JC-1 staining, western blotting and TUNEL assays showed that Sal B treatment significantly inhibited intracellular ROS production, increased the mitochondrial membrane potential, regulated the expression of mitophagy-related proteins, inhibited the activation of the NLRP3 inflammasome and inhibited apoptosis in H9C2 cells. In conclusion, these findings indicated that Sal B exerted protective effects against myocardial ischemic injury by promoting mitophagy and maintaining mitochondrial function.
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Affiliation(s)
- Yang Hu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Xinyu Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Qingju Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Yunzheng Pan
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
| | - Li Xu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, P.R. China
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36
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Packer M. Molecular, Cellular, and Clinical Evidence That Sodium-Glucose Cotransporter 2 Inhibitors Act as Neurohormonal Antagonists When Used for the Treatment of Chronic Heart Failure. J Am Heart Assoc 2020; 9:e016270. [PMID: 32791029 PMCID: PMC7660825 DOI: 10.1161/jaha.120.016270] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Sodium-glucose cotransporter 2 (SGLT2) inhibitors reduce the risk of cardiovascular death and hospitalization for heart failure in patients with chronic heart failure. Initially, these drugs were believed to have a profile similar to diuretics or hemodynamically active drugs, but they do not rapidly reduce natriuretic peptides or cardiac filling pressures, and they exert little early benefit on symptoms, exercise tolerance, quality of life, or signs of congestion. Clinically, the profile of SGLT2 inhibitors resembles that of neurohormonal antagonists, whose benefits emerge gradually during sustained therapy. In experimental models, SGLT2 inhibitors produce a characteristic pattern of cellular effects, which includes amelioration of oxidative stress, mitigation of mitochondrial dysfunction, attenuation of proinflammatory pathways, and a reduction in myocardial fibrosis. These cellular effects are similar to those produced by angiotensin converting enzyme inhibitors, β-blockers, mineralocorticoid receptor antagonists, and neprilysin inhibitors. At a molecular level, SGLT2 inhibitors induce transcriptional reprogramming of cardiomyocytes that closely mimics that seen during nutrient deprivation. This shift in signaling activates the housekeeping pathway of autophagy, which clears the cytosol of dangerous cytosolic constituents that are responsible for cellular stress, thereby ameliorating the development of cardiomyopathy. Interestingly, similar changes in cellular signaling and autophagic flux have been seen with inhibitors of the renin-angiotensin system, β-blockers, mineralocorticoid receptor antagonists, and neprilysin inhibitors. The striking parallelism of these molecular, cellular, and clinical profiles supports the premise that SGLT2 inhibitors should be regarded as neurohormonal antagonists when prescribed for the treatment of heart failure with a reduced ejection fraction.
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Affiliation(s)
- Milton Packer
- Baylor Heart and Vascular InstituteBaylor University Medical CenterDallasTX
- Imperial CollegeLondonUnited Kingdom
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37
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Zeng X, Li Y, Ma S, Tang Y, Li H. Phoenixin-20 Ameliorates Lipopolysaccharide-Induced Activation of Microglial NLRP3 Inflammasome. Neurotox Res 2020; 38:785-792. [DOI: 10.1007/s12640-020-00225-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 05/11/2020] [Accepted: 05/13/2020] [Indexed: 12/17/2022]
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Wang Q, Wu J, Zeng Y, Chen K, Wang C, Yang S, Sun N, Chen H, Duan K, Zeng G. Pyroptosis: A pro-inflammatory type of cell death in cardiovascular disease. Clin Chim Acta 2020; 510:62-72. [PMID: 32622968 DOI: 10.1016/j.cca.2020.06.044] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 06/19/2020] [Accepted: 06/26/2020] [Indexed: 01/12/2023]
Abstract
Pyroptosis is a pro-inflammatory type of regulated cell death (RCD) characterized by gasdermin D (GSDMD)-mediated membrane pore formation, cell swelling and rapid lysis, followed by the massive release of pro-inflammatory mediators such as interleukin-1β and interleukin-18. There are two main pathways of pyroptosis: the caspase-1-mediated canonical pathway and the caspase-4/5/11-mediated noncanonical pathway. However, the caspase-3-gasdermin E (GSDME) pathway and caspase-8-GSDMD pathway also induce pyroptosis. Pyroptosis can not only cause local inflammation but also lead to amplification of the inflammatory response. Recent studies have suggested that pyroptosis is closely related with cardiovascular disease (CVD); for example, in atherosclerosis, myocardial infarction, ischemia-reperfusion injury, heart failure, coronary calcification and aortic aneurysm, study results have promoted the development of inhibitors targeting the components related to pyroptosis, and some agents have been clinically proven to have cardiovascular benefits. In this review, we summarize emerging evidence to discuss the progressive understanding of pyroptosis and the pathways, effect and effectors of pyroptosis, as well as the role of pyroptosis in CVD. Additionally, we summarize pyroptosis-related pathway inhibitors and classic cardiovascular drugs targeting pyroptosis.
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Affiliation(s)
- Qun Wang
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Jianfeng Wu
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Yicheng Zeng
- Hengyang Medical College, University of South China, 421001 Hunan Province, China
| | - Kong Chen
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Chuangxin Wang
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Shiqi Yang
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Nisi Sun
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Hao Chen
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Kang Duan
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China
| | - Gaofeng Zeng
- Department of Cardiovascular Medicine, Key Laboratory of Heart Failure Prevention & Treatment of Hengyang, the Second Affiliated Hospital of University of South China, 421001 Hunan Province, China.
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Yang T, Feng X, Zhao Y, Zhang H, Cui H, Wei M, Yang H, Fan H. Dexmedetomidine Enhances Autophagy via α2-AR/AMPK/mTOR Pathway to Inhibit the Activation of NLRP3 Inflammasome and Subsequently Alleviates Lipopolysaccharide-Induced Acute Kidney Injury. Front Pharmacol 2020; 11:790. [PMID: 32670056 PMCID: PMC7326938 DOI: 10.3389/fphar.2020.00790] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/13/2020] [Indexed: 12/13/2022] Open
Abstract
Background Acute kidney injury (AKI) is a severe complication of sepsis; however, no effective drugs have been found. Activation of the nucleotide-binding domain-like receptor protein 3 (NLRP3) inflammasome is a major pathogenic mechanism of AKI induced by lipopolysaccharide (LPS). Autophagy, a process of intracellular degradation related to renal homeostasis, effectively restricts inflammatory responses. Herein, we explored the potential protective mechanisms of dexmedetomidine (DEX), which has confirmed anti-inflammatory effects, on LPS-induced AKI. Methods AKI was induced in rats by injecting 10 mg/kg of LPS intraperitoneally (i.p.). Wistar rats received intraperitoneal injections of DEX (30 µg/kg) 30 min before an intraperitoneal injection of LPS. Atipamezole (ATI) (250 µg/kg) and 3-methyladenine (3-MA) (15 mg/kg) were intraperitoneally injected 30 min before the DEX injection. Results DEX significantly attenuated renal injury. Furthermore, DEX decreased activation of the NLRP3 inflammasome and expression of interleukins 1β and 18. In addition, autophagy-related protein and gene analysis indicated that DEX could significantly enhance autophagy. Finally, we verified the pharmacological effects of DEX on the 5′-adenosine monophosphate-activated protein kinase (AMPK)/mechanistic target of rapamycin (mTOR) pathway. Atip and 3-MA significantly reversed the protective effects of DEX. Conclusions Our results suggest that the protective effects of DEX were mediated by enhanced autophagy via the α2-adrenoreceptor/AMPK/mTOR pathway, which decreased activation of the NLRP3 inflammasome. Above all, we verified the renal protective effects of DEX and offer a new treatment strategy for AKI.
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Affiliation(s)
- Tianyuan Yang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xiujing Feng
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yuan Zhao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Haiyang Zhang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Hailin Cui
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Mian Wei
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Haotian Yang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Honggang Fan
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
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Wu CY, Hua KF, Hsu WH, Suzuki Y, Chu LJ, Lee YC, Takahata A, Lee SL, Wu CC, Nikolic-Paterson DJ, Ka SM, Chen A. IgA Nephropathy Benefits from Compound K Treatment by Inhibiting NF-κB/NLRP3 Inflammasome and Enhancing Autophagy and SIRT1. THE JOURNAL OF IMMUNOLOGY 2020; 205:202-212. [PMID: 32482710 DOI: 10.4049/jimmunol.1900284] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 04/24/2020] [Indexed: 12/15/2022]
Abstract
IgA nephropathy (IgAN), the most common primary glomerular disorder, has a relatively poor prognosis yet lacks a pathogenesis-based treatment. Compound K (CK) is a major absorbable intestinal bacterial metabolite of ginsenosides, which are bioactive components of ginseng. The present study revealed promising therapeutic effects of CK in two complementary IgAN models: a passively induced one developed by repeated injections of IgA immune complexes and a spontaneously occurring model of spontaneous grouped ddY mice. The potential mechanism for CK includes 1) inhibiting the activation of NLRP3 inflammasome in renal tissues, macrophages and bone marrow-derived dendritic cells, 2) enhancing the induction of autophagy through increased SIRT1 expression, and 3) eliciting autophagy-mediated NLRP3 inflammasome inhibition. The results support CK as a drug candidate for IgAN.
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Affiliation(s)
- Chung-Yao Wu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan
| | - Wan-Han Hsu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan
| | - Yusuke Suzuki
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Lichieh Julie Chu
- Molecular Medicine Research Center, Chang Gung University, Taoyuan 333, Taiwan.,Liver Research Center, Chang Gung Memorial Hospital at Linkou, Gueishan, Taoyuan 333, Taiwan
| | - Yu-Chieh Lee
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan
| | - Akiko Takahata
- Department of Nephrology, Juntendo University Faculty of Medicine, Tokyo 113-8421, Japan
| | - Sheau-Long Lee
- Department of Chemistry, R.O.C. Military Academy, Kaohsiung 830, Taiwan
| | - Chia-Chao Wu
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - David J Nikolic-Paterson
- Department of Nephrology and Monash University Centre for Inflammatory Diseases, Monash Medical Centre, Clayton, Victoria 3168, Australia
| | - Shuk-Man Ka
- Graduate Institute of Aerospace and Undersea Medicine, Department of Medicine, National Defense Medical Center, Taipei 114, Taiwan; and
| | - Ann Chen
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; .,Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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Zhang J, Zhao L, Hu C, Wang T, Lu J, Wu C, Chen L, Jin M, Hu H, Ji G, Cao Q, Jiang Y. Fisetin Prevents Acetaminophen-Induced Liver Injury by Promoting Autophagy. Front Pharmacol 2020; 11:162. [PMID: 32184730 PMCID: PMC7058798 DOI: 10.3389/fphar.2020.00162] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 02/07/2020] [Indexed: 12/15/2022] Open
Abstract
Acetaminophen (APAP) overdose is a leading cause of drug-induced acute liver failure in clinical and hospital settings. Fisetin (FST) is a phenolic compound derived from natural products such as fruit and vegetables. Our research investigated the protective mechanisms of FST in APAP-induced hepatic injury in vitro and vivo. Assessment of mouse serum levels of alanine/aspartate aminotransferases (ALT/AST), liver myeloperoxidase (MPO) activity, malondialdehyde (MDA), glutathione (GSH), and reactive oxygen species (ROS) demonstrated the protective effects of FST toward APAP-induced liver injury. FST also reversed an APAP-induced decrease in mouse L-02 cell line viability. Our results also showed that FST significantly promoted APAP-induced autophagy and inhibited inflammasome activation both in vivo and in vitro. We also found that silencing ATG5, using si-ATG5, reduced the protective effects of FST against APAP-induced hepatotoxicity and reversed the effects on autophagy. Finally, we used the autophagy inhibitor, 3-methyladenine (3-MA) to validate the involvement of autophagy in FST against APAP-induced hepatotoxicity in vitro. We demonstrated that FST prevented APAP-induced hepatotoxicity by increasing ATG5 expression, thereby promoting autophagy and inhibiting inflammasome activation.
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Affiliation(s)
- Jiaqi Zhang
- Department of Second Clinical College, China Medical University, Shenyang, Liaoning, China
| | - Licong Zhao
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Cheng Hu
- Department of Second Clinical College, China Medical University, Shenyang, Liaoning, China
| | - Tao Wang
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Juan Lu
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chenqu Wu
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Long Chen
- Department of Second Clinical College, China Medical University, Shenyang, Liaoning, China
| | - Mingming Jin
- Shanghai University of Medicine & Health Sciences of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hao Hu
- Department of Plastic and Reconstructive Surgery, East Hospital, Tongji University, Shanghai, China
| | - Guang Ji
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qin Cao
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yuanye Jiang
- Department of Gastroenterology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Hachim MY, Khalil BA, Elemam NM, Maghazachi AA. Pyroptosis: The missing puzzle among innate and adaptive immunity crosstalk. J Leukoc Biol 2020; 108:323-338. [PMID: 32083338 DOI: 10.1002/jlb.3mir0120-625r] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 12/11/2022] Open
Abstract
Pyroptosis is a newly discovered programmed cell death with inflammasome formation. Pattern recognition receptors that identify repetitive motifs of prospective pathogens such as LPS of gram-negative bacteria are crucial to pyroptosis. Upon stimulation by pathogen-associated molecular patterns or damage-associated molecular patterns, proinflammatory cytokines, mainly IL-1 family members IL-1β and IL-18, are released through pyroptosis specific pore-forming protein, gasdermin D. Even though IL-1 family members are mainly involved in innate immunity, they can be factors in adaptive immunity. Given the importance of IL-1 family members in health and diseases, deciphering the role of pyroptosis in the regulation of innate and adaptive immunity is of great importance, especially with the recent progress in identifying the exact mechanism of such a pathway. In this review, we will focus on how the innate inflammatory mediators can regulate the adaptive immune system and vice versa via pyroptosis.
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Affiliation(s)
- Mahmood Y Hachim
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Bariaa A Khalil
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Noha M Elemam
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Azzam A Maghazachi
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
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Hsieh CY, Li LH, Lam Y, Fang Z, Gan CH, Rao YK, Chiu HW, Wong WT, Ju TC, Chen FH, Chernikov OV, Liu ML, Hsu CH, Hua KF. Synthetic 4-Hydroxy Auxarconjugatin B, a Novel Autophagy Inducer, Attenuates Gouty Inflammation by Inhibiting the NLRP3 Inflammasome. Cells 2020; 9:cells9020279. [PMID: 31979265 PMCID: PMC7072356 DOI: 10.3390/cells9020279] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 12/29/2022] Open
Abstract
Gouty arthritis results from the generation of uric acid crystals within the joints. These uric acid crystals activate the NACHT, LRR and PYD domains-containing protein 3 (NLRP3) inflammasome, which is involved in chronic inflammatory diseases, including gouty arthritis. This study identified the polyenylpyrrole derivative 4-hydroxy auxarconjugatin B (4-HAB), a novel autophagy inducer, which attenuated uric acid crystals-mediated activation of the NLRP3 inflammasome in vitro and in vivo. 4-HAB dose-dependently reduced the release of interleukin (IL)-1β, IL-18, active caspase-1 and apoptosis-associated speck-like protein (ASC) in uric acid crystals-activated macrophages. In a mechanistic study, 4-HAB was shown to inhibit uric acid crystals-induced mitochondrial damage, lysosomal rupture and ASC oligomerization. Additionally, 4-HAB inhibited the NLRP3 inflammasome through Sirt1-dependent autophagy induction. Furthermore, the anti-inflammatory properties of 4-HAB were confirmed in a mouse model of uric acid crystals-mediated peritonitis by the reduced levels of neutrophil influx, IL-1β, active caspase-1, IL-6 and MCP-1 in lavage fluids. In conclusion, 4-HAB attenuates gouty inflammation, in part by attenuating activation of the NLRP3 inflammasome through the Sirt1/autophagy induction pathway.
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Affiliation(s)
- Chih-Yu Hsieh
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan; (C.-Y.H.); (Y.K.R.); (H.-W.C.); (W.-T.W.)
| | - Lan-Hui Li
- Department of Laboratory Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei 10844, Taiwan;
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11483, Taiwan
| | - Yulin Lam
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore; (Y.L.); (Z.F.); (C.H.G.)
| | - Zhanxiong Fang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore; (Y.L.); (Z.F.); (C.H.G.)
| | - Chin Heng Gan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore; (Y.L.); (Z.F.); (C.H.G.)
| | - Yerra Koteswara Rao
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan; (C.-Y.H.); (Y.K.R.); (H.-W.C.); (W.-T.W.)
| | - Hsiao-Wen Chiu
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan; (C.-Y.H.); (Y.K.R.); (H.-W.C.); (W.-T.W.)
| | - Wei-Ting Wong
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan; (C.-Y.H.); (Y.K.R.); (H.-W.C.); (W.-T.W.)
| | - Tz-Chuen Ju
- Department of Animal Science and Biotechnology, Tunghai University, Taichung 407, Taiwan;
| | - Fang-Hsin Chen
- Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan 33302, Taiwan;
| | - Oleg V. Chernikov
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry FEB RAS, Vladivostok 690022, Russia;
| | - May-Lan Liu
- Department of Nutritional Science, Toko University, Chiayi 61363, Taiwan;
| | - Chung-Hua Hsu
- Institute of Traditional Medicine, School of Medicine, National Yang-Ming University, Taipei 11221, Taiwan;
- Department of Chinese Medicine, Linsen, Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei 10844, Taiwan
| | - Kuo-Feng Hua
- Department of Biotechnology and Animal Science, National Ilan University, Ilan 260, Taiwan; (C.-Y.H.); (Y.K.R.); (H.-W.C.); (W.-T.W.)
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 11483, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
- Correspondence: ; Tel.: +886-3931-7630
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13-Methylberberine improves endothelial dysfunction by inhibiting NLRP3 inflammasome activation via autophagy induction in human umbilical vein endothelial cells. Chin Med 2020; 15:8. [PMID: 31993073 PMCID: PMC6977264 DOI: 10.1186/s13020-020-0286-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 01/09/2020] [Indexed: 12/19/2022] Open
Abstract
Background Atherosclerosis, the underlying cause of the majority of cardiovascular diseases, is a lipid-driven, inflammatory disease of the large arteries. Atherosclerotic cardiovascular disease (ASCVD) threatens human lives due to high morbidity and mortality. Many studies have demonstrated that atherosclerosis is accelerated via activation of the NLRP3 inflammasome. The NLRP3 inflammasome plays a critical role in the development of vascular inflammation and atherosclerosis. In atherosclerotic plaques, excessive generation of reactive oxygen species (ROS) activates the NLRP3 inflammasome. 13-Methylberberine (13-MB) is a newly synthesized compound used in traditional Chinese medicine that has outstanding antibacterial, antitumor, and antiobesity activities, especially anti-inflammatory activity. However, the role of 13-MB in atherosclerosis needs to be explored. Methods CCK-8 assays and flow cytometry were conducted to determine the cell viability and apoptotic profiles of human umbilical vein endothelial cells (HUVECs) treated with 13-MB. Carboxy-DCFH-DA and JC-10 assays were used to measure ROS and determine mitochondrial membrane potential. Western blot analysis was performed to investigate proteins that are associated with the NLRP3 inflammasome and autophagy. ELISA was used to detect and quantify inflammatory cytokines related to the NLRP3 inflammasome. Transfection and confocal microscopy were conducted to observe autophagy. Results Pretreatment with 13-MB markedly reduced cytotoxicity and apoptosis, as well as intracellular ROS production, in H2O2-induced HUVECs. Moreover, 13-MB showed a protective effect in maintaining mitochondrial membrane potential. 13-MB also suppressed NLRP3 inflammasome activation and promoted autophagy induction in HUVECs. Conclusion 13-MB exerts cytoprotective effects in an H2O2-induced cell injury model by inhibiting NLRP3 inflammasome activation via autophagy induction in HUVECs. These anti-inflammatory and autophagy induction activities may provide valuable evidence for further investigating the potential role of 13-MB in atherosclerosis.
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An N, Gao Y, Si Z, Zhang H, Wang L, Tian C, Yuan M, Yang X, Li X, Shang H, Xiong X, Xing Y. Regulatory Mechanisms of the NLRP3 Inflammasome, a Novel Immune-Inflammatory Marker in Cardiovascular Diseases. Front Immunol 2019; 10:1592. [PMID: 31354731 PMCID: PMC6635885 DOI: 10.3389/fimmu.2019.01592] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 06/26/2019] [Indexed: 12/12/2022] Open
Abstract
The nod-like receptor family pyrin domain containing 3 (NLRP3) is currently the most widely studied inflammasome and has become a hot topic of recent research. As a macromolecular complex, the NLRP3 inflammasome is activated to produce downstream factors, including caspase-1, IL-1β, and IL-18, which then promote local inflammatory responses and induce pyroptosis, leading to unfavorable effects. A growing number of studies have examined the relationship between the NLRP3 inflammasome and cardiovascular diseases (CVDs). However, some studies have shown that the NLRP3 inflammasome is not involved in the occurrence of certain diseases. Therefore, identifying the mechanism of action of the NLRP3 inflammasome and its potential involvement in the pathological process of disease progression is of utmost importance. This review discusses the mechanisms of NLRP3 inflammasome activation and the relationship between the inflammasome and CVDs, including coronary atherosclerosis, myocardial ischemia/reperfusion, cardiomyopathies, and arrhythmia, as well as CVD-related treatments.
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Affiliation(s)
- Na An
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Yonghong Gao
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Zeyu Si
- Department of Acupuncture and Moxibustion, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Hanlai Zhang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Liqin Wang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Chao Tian
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Mengchen Yuan
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xinyu Yang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xinye Li
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,Department of Acupuncture and Moxibustion, Beijing University of Chinese Medicine, Beijing, China
| | - Hongcai Shang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Xingjiang Xiong
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yanwei Xing
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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An P, Xie J, Qiu S, Liu Y, Wang J, Xiu X, Li L, Tang M. Hispidulin exhibits neuroprotective activities against cerebral ischemia reperfusion injury through suppressing NLRP3-mediated pyroptosis. Life Sci 2019; 232:116599. [PMID: 31247210 DOI: 10.1016/j.lfs.2019.116599] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 06/23/2019] [Accepted: 06/24/2019] [Indexed: 12/25/2022]
Abstract
AIM Ischemia/reperfusion (I/R) injury is the major cause of neurological deficit following stroke. Our previous study showed neuroprotective effects of hispidulin against cerebral ischemia reperfusion injury (IRI). In this study, we further examined the involvement of pyroptosis in this neuroprotective function. MATERIALS AND METHODS IRI was simulated in a rat model by middle cerebral artery occlusion (MCAO) surgery, and the animals were treated with different doses of hispidulin. The neurological function of the rats was evaluated by the neural function defect score (NFDS), balance beam test and limb placement test. The infarct volume and brain water content were measured 72 h following IRI. Neuronal cell survival and pyroptosis in the ischemic cortex were respectively detected by Nissl staining and TUNEL assay. The relative expression of pyroptosis markers was determined by qRT-PCR, Western blotting and ELISA as appropriate. IRI was simulated in vitro in primary cerebral astrocytes using the OGD/R procedure. AMPKα was blocked genetically or pharmacologically using siRNA and compound C respectively. CCK-8 and LDH release assays were performed using suitable kits. RESULTS Hispidulin improved the neurological symptoms of the rats after IRI, in addition to decreasing the infarct size and brain edema. Mechanistically, hispidulin exerted its neuroprotective effects in vivo and in vitro by suppressing NLRP3-mediated pyroptosis by modulating the AMPK/GSK3β signaling pathway. CONCLUSION Hispidulin is a neuroprotective agent with clinical potential against IR-induced neurological injury.
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Affiliation(s)
- Pengpeng An
- The Affiliated Qingdao Hiser Hospital of Qingdao University (Qingdao Hospital of Traditional Chinese Medicine), Qingdao, China
| | - Jing Xie
- Qingdao University Medical College, Qingdao, China
| | - Sha Qiu
- Qingdao Central Hospital, Qingdao, China
| | - Yongji Liu
- The Affiliated Qingdao Hiser Hospital of Qingdao University (Qingdao Hospital of Traditional Chinese Medicine), Qingdao, China
| | - Jianing Wang
- The Affiliated Qingdao Hiser Hospital of Qingdao University (Qingdao Hospital of Traditional Chinese Medicine), Qingdao, China
| | - Xiaohui Xiu
- Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ling Li
- Qingdao University Medical College, Qingdao, China.
| | - Ming Tang
- The Affiliated Qingdao Hiser Hospital of Qingdao University (Qingdao Hospital of Traditional Chinese Medicine), Qingdao, China.
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Li MY, Zhu XL, Zhao BX, Shi L, Wang W, Hu W, Qin SL, Chen BH, Zhou PH, Qiu B, Gao Y, Liu BL. Adrenomedullin alleviates the pyroptosis of Leydig cells by promoting autophagy via the ROS-AMPK-mTOR axis. Cell Death Dis 2019; 10:489. [PMID: 31222000 PMCID: PMC6586845 DOI: 10.1038/s41419-019-1728-5] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 05/22/2019] [Accepted: 06/03/2019] [Indexed: 01/03/2023]
Abstract
Adrenomedullin (ADM) exerts anti-oxidant, anti-inflammatory and anti-apoptotic effects in Leydig cells. However, the role and mechanism of ADM in the pyroptosis of Leydig cells are poorly understood. This study first showed the protective effects of ADM on the pyroptosis and biological functions of Leydig cells exposed to lipopolysaccharide (LPS) by promoting autophagy. Primary rat Leydig cells were treated with various concentrations of LPS and ADM, together with or without N-acetyl-L-cysteine (NAC) or 3-methyladenine (3-MA). Cell proliferation was detected through CCK-8 and BrdU incorporation assays, and ROS level was measured with the DCFDA assay. Real-time PCR, western blot, immunofluorescence, transmission electron microscopy, TUNEL and flow cytometry were performed to examine ADM's effect on the pyroptosis, autophagy and steroidogenic enzymes of Leydig cells and AMPK/mTOR signalling. Like NAC, ADM dose-dependently reduced LPS-induced cytotoxicity and ROS overproduction. ADM also dose-dependently ameliorated LPS-induced pyroptosis by reversing the increased expression of NLRP3, ASC, caspase-1, IL-1β, IL-18, GSDMD, caspase-3, caspase-7, TUNEL-positive and PI and active caspase-1 double-stained positive rate, DNA fragmentation and LDH concentration, which could be rescued via co-incubation with 3-MA. ADM dose-dependently increased autophagy in LPS-induced Leydig cells, as confirmed by the increased expression of LC3-I/II, Beclin-1 and ATG-5; decreased expression of p62 and autophagosomes formation; and increased LC3-II/LC3-I ratio. However, co-treatment with 3-MA evidently decreased autophagy. Furthermore, ADM dose-dependently rescued the expression of steroidogenic enzymes, including StAR, P450scc, 3β-HSD and CYP17, and testosterone production in LPS-induced Leydig cells. Like rapamycin, ADM dose-dependently enhanced AMPK phosphorylation but reduced mTOR phosphorylation in LPS-induced Leydig cells, which could be rescued via co-incubation with 3-MA. In addition, pyroptosis was further decreased, and autophagy was further promoted in LPS-induced Leydig cells upon co-treatment with ADM and rapamycin. ADM may protect the steroidogenic functions of Leydig cells against pyroptosis by activating autophagy via the ROS-AMPK-mTOR axis.
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Grants
- Hunan Natural Science Foundation, Hunan, China (Grant No.: 2019JJ40269), Health and Family Planning Research Project of Hunan Province, Changsha, China (Grant No.: B2017051)
- National Science Foundation of China, Beijing, China (Grant No.: 81401190)
- Social Development Foundation of Zhenjiang, Zhenjiang, China (Grant No.: SH2016031)
- National Science Foundation of China, Beijing, China (Grant No.: 81501921),Science and Technology Project of Wuhan, China (Grant No.: 2016060101010045)
- National Science Foundation of China, Beijing, China (Grant No.: 81602241)
- National Science Foundation of China, Beijing, China (Grant Nos.: 81471449,81871110 and 81671449),Guangdong Province Natural Science Foundation, Guangzhou, China (Grant No.: 2015A030313141), Guangdong Province Science and Technology Project, Guangzhou, China (Grant Nos.: 2016B030230001 and 2016A040403113), Key Scientific and Technological Program of Guangzhou City, Guangzhou, China (Grant No.: 201604020189)
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Affiliation(s)
- Ming-Yong Li
- Department of Urology, The First Affiliated Hospital of University of South China, No. 69 Chuan Shan Road, Hengyang, 421001, Hunan Province, China
| | - Xia-Lian Zhu
- Department of Hand Surgery, Affiliated Nanhua Hospital of University of South China, No. 336 Dong Feng South Road, Hengyang, 421002, Hunan Province, China
| | - Bi-Xia Zhao
- Department of Urology, Affiliated Nanhua Hospital of University of South China, No. 336 Dong Feng South Road, Hengyang, 421002, Hunan Province, China
| | - Lei Shi
- Department of Oncology, Renmin Hospital of Wuhan University, No. 238 Liberation Road, Wuhan, 430060, Hubei Province, China
| | - Wei Wang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei, 230022, Anhui Province, China
| | - Wei Hu
- Department of Andrology, The First Affiliated Hospital of University of South China, No. 69 Chuan Shan Road, Hengyang, 421001, Hunan Province, China.
| | - Song-Lin Qin
- Department of Andrology, The First Affiliated Hospital of University of South China, No. 69 Chuan Shan Road, Hengyang, 421001, Hunan Province, China.
| | - Bing-Hai Chen
- Department of Urology, Affiliated Hospital of Jiangsu University, No. 438 Liberation Road, Zhenjiang, 212000, Jiangsu Province, China.
| | - Pang-Hu Zhou
- Department of Orthopedics, Renmin Hospital of Wuhan University, No. 238 Liberation Road, Wuhan, 430060, Hubei Province, China
| | - Bo Qiu
- Department of Orthopedics, Renmin Hospital of Wuhan University, No. 238 Liberation Road, Wuhan, 430060, Hubei Province, China
| | - Yong Gao
- Reproductive Medicine Centre, The First Affiliated Hospital of Sun Yat-sen University, No. 58 Second Zhongshan Road, Guangzhou, 510080, Guangdong Province, China
| | - Bo-Long Liu
- Department of Andrology, The First Affiliated Hospital of University of South China, No. 69 Chuan Shan Road, Hengyang, 421001, Hunan Province, China
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Li T, Yuan G, Ma C, Jin P, Zhou C, Li W. Clinical efficacy of carvedilol treatment for dilated cardiomyopathy: A meta-analysis of randomized controlled trials. Medicine (Baltimore) 2019; 98:e15403. [PMID: 31045794 PMCID: PMC6504318 DOI: 10.1097/md.0000000000015403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Clinical trials examining the therapeutic benefit of carvedilol on patients with dilated cardiomyopathy have reported inconsistent results. The aim of this study was to evaluate the clinical efficacy of carvedilol on patients with dilated cardiomyopathy. METHODS PubMed, Embase, Cochrane Library, web of science, China National Knowledge Infrastructure (CNKI), Wanfang, and Chinese Scientific and Technological Journal (VIP) databases were searched for randomized controlled trials (RCTs) before March 2018. Weighted mean differences (WMDs) and 95% confidence intervals (CIs) were used to evaluate the effects of carvedilol on patients with dilated cardiomyopathy. RESULTS Twenty one studies including 1146 participants were included. There were significant improvements on heart rate (HR) (WMD = -14.18, 95% CI: -17.72 to -10.63, P < .001), LVEF (WMD = 7.28, 95% CI: 6.53-8.03, P < .001), SBP (WMD = -10.74, 95% CI: -12.78 to -8.70, P < .001), DBP (WMD = -4.61, 95% CI: -7.32 to -1.90, P = .001), LVEDD (WMD = -2.76, 95% CI: -4.89 to -0.62, P = .011), LVESD (WMD = -3.63, 95% CI: -6.55 to -0.71, P = .015), LVEDV (WMD = -9.30, 95% CI: -11.89 to -6.71, P < .001), LVESV (WMD = -12.28, 95% CI: -14.86 to -9.70, P < .001) under carvedilol treatment compared with control. CONCLUSION This meta-analysis demonstrates that carvedilol significantly improves cardiac function on patients with dilated cardiomyopathy. Further large scale, high-quality and multicenter RCTs are still required to confirm the impacts of carvedilol on patients with dilated cardiomyopathy.
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The Effects of Acute and Chronic Aerobic Activity on the Signaling Pathway of the Inflammasome NLRP3 Complex in Young Men. ACTA ACUST UNITED AC 2019; 55:medicina55040105. [PMID: 30991661 PMCID: PMC6524053 DOI: 10.3390/medicina55040105] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 04/11/2019] [Accepted: 04/11/2019] [Indexed: 12/15/2022]
Abstract
Background and Objectives: The results of the studies show that the intensity and volume of aerobic exercise activity produce different responses of the immune system. This study aims to show how the signaling pathway of the inflammatory NLRP3 complex is influenced by the acute and chronic effects of moderate and high-intensity aerobic exercises in young men. Materials and Methods: Accordingly, 60 healthy (BMI = 23.56 ± 2.67) young (24.4 ± 0.4) students volunteered to participate in the study that was randomly divided into two experimental (n = 20) groups and one control (n = 20) group. The training protocol started with two intensity levels of 50% for a moderate group and 70% of maximum heart rate for high group for 30 min and then continued until reaching 70% (moderate group) and 90% (high group) of the maximum heart rate, respectively. Using Real Time-PCR method, the expression of NLRP3 gene and ELISA- were measured by IL-1β, IL-18. Results: The results showed that acute aerobic exercise with moderate intensity had no significant effect on the expression of NLRP3 gene and serum levels of IL-1β and IL-18 cytokines (p > 0.05) when acute exercise, with high intensity, begins an initiation of the activity of the inflammatory complex with elevated serum levels of IL-1β, IL-18, and NLRP3 gene expression (p < 0.05). In addition, chronic exercise with moderate intensity significantly reduced the expression of NLRP3 gene and serum levels of IL-1β, IL-18 cytokines (p < 0.05). In the case of chronic exercise with high intensity, a significant increase in expression of gene, NLRP3 and serum levels of IL-1β, IL-18 cytokines were observed (p < 0.05). Conclusions: Generally, it can be concluded that chronic exercise with moderate intensity is effective in decreasing the expression of the inflammasome and inflammation.
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Zi Y, Yi-An Y, Bing J, Yan L, Jing T, Chun-Yu G, Fan P, Hao L, Jia-Ni T, Han-Jin H, Fei C, Xue-Bo L. Sirt6-induced autophagy restricted TREM-1-mediated pyroptosis in ox-LDL-treated endothelial cells: relevance to prognostication of patients with acute myocardial infarction. Cell Death Discov 2019; 5:88. [PMID: 30993014 PMCID: PMC6461678 DOI: 10.1038/s41420-019-0168-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/12/2019] [Accepted: 03/21/2019] [Indexed: 01/29/2023] Open
Abstract
Inflammation mediated by myeloid cells trigger receptors 1 (TREM-1) is important for atherosclerosis development, while sirtuin 6 (Sirt6) levels decrease in atheroscleoritc plaque. Here we demonstrate that oxidatively modified low density lipoprotein (ox-LDL)-treated endothelial cells (ECs) exhibited increased TREM-1-mediated pyroptosis and decreased Sirt6-induced autophagy. We show that high sTREM-1 and low sSirt6 levels were independent predictors of boosted endothelial microparticles (EMPs) on admission, and were associated with increased risk for all-cause mortality and major adverse cardiovascular events (MACE) at median 24 months (interquartile range, 18–26) follow-up in acute myocardial infarction (AMI) patients. Additionally, blockage of Sirt6-induced autophagy led to augmented TREM-1-mediated pyroptosis, whereas Sirt6 overexpression attenuated ECs inflammation and pyroptosis following ox-LDL treatment. Our findings indicate that TREM-1 and in a reversed trend Sirt6 appeared to be markers of endothelial inflammation with potential for use in risk stratification.
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Affiliation(s)
- Ye Zi
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Yao Yi-An
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Ji Bing
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Lai Yan
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Tong Jing
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Guan Chun-Yu
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Ping Fan
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Lin Hao
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Tang Jia-Ni
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Hou Han-Jin
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Chen Fei
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
| | - Liu Xue-Bo
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University, Shanghai, China
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