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Tian Y, He X, Li R, Wu Y, Ren Q, Hou Y. Recent advances in the treatment of gout with NLRP3 inflammasome inhibitors. Bioorg Med Chem 2024; 112:117874. [PMID: 39167977 DOI: 10.1016/j.bmc.2024.117874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/04/2024] [Accepted: 08/12/2024] [Indexed: 08/23/2024]
Abstract
Gout is an autoinflammatory disorder characterized by the accumulation of monosodium urate crystals in joints and other tissues, representing the predominant type of inflammatory arthritis with a notable prevalence and propensity for severe outcomes. The NLRP3 inflammasome, a member of the pyrin domain-containing NOD-like receptor family, exerts a substantial impact on both innate and adaptive immune responses and serves as a pivotal factor in the pathogenesis of gout. In recent years, there has been significant academic and industrial interest in the development of NLRP3-targeted small molecule inhibitors as a promising therapeutic approach for gout. To assess the advancements in NLRP3 inflammasome inhibitors for gout treatment, this review offers a comprehensive analysis and evaluation of current clinical candidates and other inhibitors targeting NLRP3 inflammasome from a chemical structure standpoint, with the goal of identifying more efficacious options for clinical management of gout.
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Affiliation(s)
- Ye Tian
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Xiaofang He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Ruping Li
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Yanxin Wu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Qiang Ren
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China.
| | - Yusen Hou
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China; State Key Laboratory of Southwestern Chinese Medicine Resources, College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China.
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2
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Zhang Z, Wu H, Yin K, Zheng X, Cao Z, Guo W, Zhao C, Gu X. Design, Synthesis, and Bioevaluation of Novel NLRP3 Inhibitor with IBD Immunotherapy from the Virtual Screen. J Med Chem 2024; 67:16612-16634. [PMID: 39269610 DOI: 10.1021/acs.jmedchem.4c01445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2024]
Abstract
NLRP3, a crucial member of the NLRP family, plays a pivotal role in immune regulation and inflammatory modulation. Here, we report a potent and specific NLRP3 inhibitor Z48 obtained though docking-based virtual screening and structure-activity relationship studies with an IC50 of 0.26 μM in THP-1 cells and 0.21 μM in mouse bone marrow-derived macrophages. Mechanistic studies indicated that Z48 could bind directly to the NLRP3 protein (KD = 1.05 μM), effectively blocking the assembly and activation of the NLRP3 inflammasome, consequently manifesting anti-inflammatory properties. Crucially, with acceptable mouse pharmacokinetic profiles, Z48 demonstrated notable therapeutic efficacy in a mouse model of DSS-induced ulcerative colitis, while displaying no significant therapeutic impact on NLRP3KO mice. In conclusion, this study provided a promising NLRP3 inflammasome inhibitor with novel molecular scaffold, poised for further development as a therapeutic candidate in the treatment of inflammatory bowel disease.
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Affiliation(s)
- Ziwen Zhang
- School of Pharmacy & Minhang Hospitol, Fudan University, Shanghai 201301, China
| | - Hongyu Wu
- School of Pharmacy & Minhang Hospitol, Fudan University, Shanghai 201301, China
| | - Kai Yin
- School of Pharmacy & Minhang Hospitol, Fudan University, Shanghai 201301, China
| | - Xinru Zheng
- School of Pharmacy & Minhang Hospitol, Fudan University, Shanghai 201301, China
| | - Zhonglian Cao
- Department of Biopharmaceuticals, School of Pharmacy, Fudan University, Shanghai 201301, China
| | - Wei Guo
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201301, China
| | - Chunchang Zhao
- Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai 200237, China
| | - Xianfeng Gu
- School of Pharmacy & Minhang Hospitol, Fudan University, Shanghai 201301, China
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3
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Zhou T, Fang YL, Tian TT, Wang GX. Pathological mechanism of immune disorders in diabetic kidney disease and intervention strategies. World J Diabetes 2024; 15:1111-1121. [PMID: 38983817 PMCID: PMC11229953 DOI: 10.4239/wjd.v15.i6.1111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/29/2024] [Accepted: 04/15/2024] [Indexed: 06/11/2024] Open
Abstract
Diabetic kidney disease is one of the most severe chronic microvascular complications of diabetes and a primary cause of end-stage renal disease. Clinical studies have shown that renal inflammation is a key factor determining kidney damage during diabetes. With the development of immunological technology, many studies have shown that diabetic nephropathy is an immune complex disease, and that most patients have immune dysfunction. However, the immune response associated with diabetic nephropathy and autoimmune kidney disease, or caused by ischemia or infection with acute renal injury, is different, and has a com-plicated pathological mechanism. In this review, we discuss the pathogenesis of diabetic nephropathy in immune disorders and the intervention mechanism, to provide guidance and advice for early intervention and treatment of diabetic nephropathy.
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Affiliation(s)
- Tong Zhou
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Jilin University, Changchun 130021, Jilin Province, China
| | - Yi-Lin Fang
- Key Laboratory of Organ Regeneration and Transplantation of the Ministry of Education, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, Jilin University, Changchun 130021, Jilin Province, China
| | - Tian-Tian Tian
- School of Public Health, Jilin University, Changchun 130021, Jilin Province, China
| | - Gui-Xia Wang
- Department of Endocrinology and Metabolism, The First Hospital of Jilin University, Changchun 130021, Jilin Province, China
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4
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He C, Liu J, Li J, Wu H, Jiao C, Ze X, Xu S, Zhu Z, Guo W, Xu J, Yao H. Hit-to-Lead Optimization of the Natural Product Oridonin as Novel NLRP3 Inflammasome Inhibitors with Potent Anti-Inflammation Activity. J Med Chem 2024; 67:9406-9430. [PMID: 38751194 DOI: 10.1021/acs.jmedchem.4c00504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
Targeting NLRP3 inflammasome with inhibitors is a novel strategy for NLRP3-driven diseases. Herein, hit compound 5 possessing an attractive skeleton was identified from our in-house database of oridonin, and then a potential lead compound 32 was obtained by optimization of 5, displaying two-digit nanomolar inhibition on NLRP3. Moreover, compound 32 showed enhanced safety index (SI) relative to oridonin (IC50 = 77.2 vs 780.4 nM, SI = 40.5 vs 8.5) and functioned through blocking ASC oligomerization and interaction of NLRP3-ASC/NEK7, thereby suppressing NLRP3 inflammasome assembly and activation. Furthermore, diverse agonists-induced activations of NLRP3 could be impeded by compound 32 without altering NLRC4 or AIM2 inflammasome. Crucially, compound 32 possessed tolerable pharmaceutical properties and significant anti-inflammatory activity in MSU-induced gouty arthritis model. Therefore, this work enriched the SAR of NLRP3 inflammasome inhibitors and provided a potential candidate for the treatment of NLRP3-associated diseases.
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Affiliation(s)
- Chen He
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Junkai Liu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Junda Li
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Hongyu Wu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Chenyang Jiao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Xiaotong Ze
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Shengtao Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Zheying Zhu
- Division of Molecular Therapeutics & Formulation, School of Pharmacy, The University of Nottingham, Nottingham NG7 2RD, U.K
| | - Wenjie Guo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Jinyi Xu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
| | - Hong Yao
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, P. R. China
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5
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El Soufi El Sabbagh D, Attisano L, Andreazza AC, Machado AK. A Dynamic Protocol to Explore NLRP3 Inflammasome Activation in Cerebral Organoids. Int J Mol Sci 2024; 25:6335. [PMID: 38928041 PMCID: PMC11204242 DOI: 10.3390/ijms25126335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/30/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
The NLRP3 inflammasome plays a crucial role in the inflammatory response, reacting to pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). This response is essential for combating infections and restoring tissue homeostasis. However, chronic activation can lead to detrimental effects, particularly in neuropsychiatric and neurodegenerative diseases. Our study seeks to provide a method to effectively measure the NLRP3 inflammasome's activation within cerebral organoids (COs), providing insights into the underlying pathophysiology of these conditions and enabling future studies to investigate the development of targeted therapies.
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Affiliation(s)
- Dana El Soufi El Sabbagh
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
- Krembil Brain Institute, Toronto Western Hospital, University Health Network, Toronto, ON M5T 2S8, Canada
| | - Liliana Attisano
- Department of Biochemistry, University of Toronto, Toronto, ON M5S 1A8, Canada;
| | - Ana Cristina Andreazza
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
| | - Alencar Kolinski Machado
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada; (D.E.S.E.S.); (A.K.M.)
- Graduate Program in Nanosciences, Franciscan University, Santa Maria 97010-491, RS, Brazil
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6
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Shen F, Zhang Y, Li C, Yang H, Yuan P. Network pharmacology and experimental verification of the mechanism of licochalcone A against Staphylococcus aureus pneumonia. Front Microbiol 2024; 15:1369662. [PMID: 38803378 PMCID: PMC11128579 DOI: 10.3389/fmicb.2024.1369662] [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: 01/12/2024] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
Staphylococcus aureus strains cause the majority of pneumonia cases and are resistant to various antibiotics. Given this background, it is very important to discover novel host-targeted therapies. Licochalcone A (LAA), a natural plant product, has various biological activities, but its primary targets in S. aureus pneumonia remain unclear. Therefore, the purpose of this study was to identify its molecular target against S. aureus pneumonia. Network pharmacology analysis, histological assessment, enzyme-linked immunosorbent assays, and Western blotting were used to confirm the pharmacological effects. Network pharmacology revealed 33 potential targets of LAA and S. aureus pneumonia. Enrichment analysis revealed that these potential genes were enriched in the Toll-like receptor and NOD-like receptor signaling pathways. The results were further verified by experiments in which LAA alleviated histopathological changes, inflammatory infiltrating cells and inflammatory cytokines (TNF, IL-6, and IL-1β) in the serum and bronchoalveolar lavage fluid in vivo. Moreover, LAA treatment effectively reduced the expression levels of NF-κB, p-JNK, p-p38, NLRP3, ASC, caspase 1, IL-1β, and IL-18 in lung tissue. The in vitro experimental results were consistent with the in vivo results. Thus, our findings demonstrated that LAA exerts anti-infective effects on S. aureus-induced lung injury via suppression of the Toll-like receptor and NOD-like receptor signaling pathways, which provides a theoretical basis for understanding the function of LAA against S. aureus pneumonia and implies its potential clinical application.
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Affiliation(s)
- Fengge Shen
- Xinxiang Key Laboratory of Molecular Neurology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Yinghua Zhang
- Xinxiang Key Laboratory of Molecular Neurology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Chunjie Li
- Xinxiang Key Laboratory of Molecular Neurology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Hongyan Yang
- Xinxiang Key Laboratory of Molecular Neurology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Peng Yuan
- School of Public Health, Xinxiang Medical University, Xinxiang, China
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7
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Hu H, Cai Y, Shi Y, Zhang S, Yu X, Ma T, Liao S. Dimethyl fumarate covalently modifies Cys673 of NLRP3 to exert anti-inflammatory effects. iScience 2024; 27:109544. [PMID: 38585664 PMCID: PMC10995871 DOI: 10.1016/j.isci.2024.109544] [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: 10/31/2023] [Revised: 02/04/2024] [Accepted: 03/18/2024] [Indexed: 04/09/2024] Open
Abstract
The NLRP3 inflammasome plays a pivotal role in various chronic inflammation-driven human diseases. However, no drugs specifically targeting NLRP3 inflammasome have been approved by the Food and Drug Administration (FDA) of the United States. In our current study, we showed that dimethyl fumarate (DMF) efficiently suppressed the activation of the NLRP3 inflammasome induced by multiple agonists and covalently modified Cys673 of NLRP3, thereby impeding the interaction between NLRP3 and NEK7. The inhibitory effect of DMF was nullified by anaplerosis of the Cys673 mutant (but not the wild-type) NLRP3 in Nlrp3-/- THP-1 cells. In vivo experiments, DMF demonstrated protective effects in the dextran sodium sulfate (DSS)-induced ulcerative colitis of WT mice, but not in Nlrp3-/- mice. In summary, our study identified DMF as a direct covalent inhibitor of NLRP3 and a potential candidate for the treatment of NLRP3 inflammasome-mediated diseases.
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Affiliation(s)
- Huiting Hu
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Yuqian Cai
- Center for Analysis and Testing, China Pharmaceutical University, Nanjing, Jiangsu 210009, China
| | - Yuanfang Shi
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Shengyu Zhang
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Xiaoxuan Yu
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Tonghui Ma
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Shanting Liao
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
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8
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Park H, Ko R, Seo J, Ahn GY, Choi SW, Kwon M, Lee SY. Octyl gallate has potent anti-inflammasome activity by directly binding to NLRP3 LRR domain. J Cell Physiol 2024; 239:e31196. [PMID: 38240115 DOI: 10.1002/jcp.31196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 04/12/2024]
Abstract
The NOD-, LRR-, and Pyrin domain-containing protein 3 (NLRP3) inflammasome plays key roles in regulating inflammation. Numerous studies show that the abnormal activation of NLRP3 associates with the initiation and progression of various diseases. Hence, the NLRP3 inflammasome may be a promising therapeutic target for these diseases. Octyl gallate (OG) is a small molecule with antioxidant, antimicrobial, antifungal, and anti-inflammatory activities; however, the mechanism underlying its anti-inflammatory activity is still unclear. Here, we developed a screening system for NLRP3-inflammasome inhibitors. A total of 3287 small molecules were screened for inhibitors of nigericin-induced NLRP3 oligomerization. OG was identified as a novel inhibitor. We show that OG directly targets the LRR domain of NLRP3 and thereby blocks the inflammatory cascade of the NLRP3 inflammasome. This contrasts with the mode-of-action of other direct NLRP3 inhibitors, which all bind to the NACHT domain of NLRP3. Interestingly, OG also inhibits the priming step by downregulating the Raf-MEK1/2-ERK1/2 axis. Thus, OG inhibits the NLRP3 inflammasome by two distinct mechanisms. Importantly, OG injection ameliorated the inflammation in mouse models of foot gout and sepsis. Our study identifies OG as a potential therapeutic agent for NLRP3-associated diseases.
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Affiliation(s)
- Hana Park
- Department of Life Science, Ewha Womans University, Seoul, South Korea
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul, South Korea
| | - Ryeojin Ko
- Department of Life Science, Ewha Womans University, Seoul, South Korea
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul, South Korea
| | - Jeongin Seo
- Department of Life Science, Ewha Womans University, Seoul, South Korea
| | - Guk Young Ahn
- Department of Biotechnology, Biomedical and Chemical Engineering, The Catholic University of Korea, Gyeonggi-do, South Korea
| | - Sung-Wook Choi
- Department of Biotechnology, Biomedical and Chemical Engineering, The Catholic University of Korea, Gyeonggi-do, South Korea
| | - Mijung Kwon
- Department of Life Science, Ewha Womans University, Seoul, South Korea
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul, South Korea
- Multitasking Macrophage Research Center, Ewha Womans University, Seoul, South Korea
| | - Soo Young Lee
- Department of Life Science, Ewha Womans University, Seoul, South Korea
- The Research Center for Cellular Homeostasis, Ewha Womans University, Seoul, South Korea
- Multitasking Macrophage Research Center, Ewha Womans University, Seoul, South Korea
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9
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Li M, Wang C, Ye S, Li W, Zhang Y, Yan J, Wang Y, Yang H, Wu Y, Zhang Y, Zhang H, Miao Z. Discovery of novel oridonin sulfamide derivatives as potent NLRP3 inhibitors by a visible-light photocatalysis-enabled peripheral editing. Bioorg Med Chem Lett 2024; 99:129621. [PMID: 38244941 DOI: 10.1016/j.bmcl.2024.129621] [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: 10/23/2023] [Revised: 01/07/2024] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
The progress of organicsyntheticmethod can promote late-stage lead compound modification and novel active compound discovery. Molecular editing technology in the field of organic synthesis, including peripheral and skeletal editing, facilitates rapid access to molecular diversity of a lead compound. Peripheral editing of CH bond activation is gradually used in lead optimization to afford novel active scaffolds and chemical space exploitation. To develop oridonin derivatives with high anti-inflammatory potency, novel oridonin sulfamides had been designed and synthesized by a scaffoldhopping strategy based on a visible-light photocatalysis peripheral editing. All novel compounds revealed measurable inhibition of IL-1β and low cytotoxicity in THP-1 cells. The docking study indicated that the best active compound ZM640 was accommodated in thebinding site of NLRP3 with two hydrogen bond interaction. These preliminary results confirm that α, β-unsaturated carbonyl of oridonin is not essential for NLRP3 inhibitory effect. This new oridonin scaffold has its potential to be further developed as a promising class of NLRP3 inhibitors.
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Affiliation(s)
- Mochenxuan Li
- School of Pharmacy, The Second Military Medical University, 325 Guohe Road, Shanghai 200433, People's Republic of China; Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Chuanhao Wang
- School of Pharmacy, The Second Military Medical University, 325 Guohe Road, Shanghai 200433, People's Republic of China; School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Road, Nanjing 210094, People's Republic of China
| | - Shuang Ye
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Wei Li
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, People's Republic of China
| | - Yanming Zhang
- School of Pharmacy, The Second Military Medical University, 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Jianyu Yan
- School of Pharmacy, The Second Military Medical University, 325 Guohe Road, Shanghai 200433, People's Republic of China
| | - Yongchuang Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, People's Republic of China
| | - Hang Yang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, People's Republic of China
| | - Yuelin Wu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, People's Republic of China
| | - Yongqiang Zhang
- Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, People's Republic of China.
| | - Huojun Zhang
- Department of Radiation Oncology, Changhai Hospital, The Second Military Medical University, Shanghai 200433, People's Republic of China.
| | - Zhenyuan Miao
- School of Pharmacy, The Second Military Medical University, 325 Guohe Road, Shanghai 200433, People's Republic of China.
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10
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Alipour S, Kazemi T, Sadeghi MR, Heris JA, Masoumi J, Naseri B, Baghbani E, Sohrabi S, Baradaran B. Glyburide-treated human monocyte-derived dendritic cells loaded with insulin represent tolerogenic features with anti-inflammatory responses and modulate autologous T cell responses in vitro. Int Immunopharmacol 2024; 126:111230. [PMID: 37979448 DOI: 10.1016/j.intimp.2023.111230] [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: 10/05/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 11/20/2023]
Abstract
Tolerogenic dendritic cells (TolDCs) are attractive therapeutic options for autoimmune disorders because they suppress autologous T-cell responses. Dendritic cells (DCs) are equipped with pattern recognition receptors (PRR), including nucleotide-binding and oligomerization domain-like receptors (NLRs) such as NLRP3. Abnormal NLRP3 activation has been reported to be correlated with the occurrence of autoimmune disorders. Accordingly, we hypothesized that glyburide treatment of DCs by blocking the ATP-sensitive K+ (kATP) channels generates TolDCs by inhibiting NLRP3. Insulin was even loaded on a group of glyburide-treated mature DCs (mDCs) to investigate the antigen (Ag) loading effects on glyburide-treated mDCs' phenotypical and functional features. Consequently, T lymphocytes' mediated responses ensuing co-culture of them with control mDCs, insulin loaded and unloaded glyburide treated mDCs were evaluated to determine generated TolDCs' capacity in inhibition of T cell responses that are inducer of destruction in insulin-producing pancreatic beta cells in Type 1 Diabetes Mellitus (T1DM). Our findings indicated that glyburide generates desirable TolDCs with decreased surface expression of maturation and Ag presentation related markers and diminished level of inflammatory but increased level of anti-inflammatory cytokines, which even insulin loading demonstrated more anti-inflammatory functions. In addition, co-cultured T cells showed regulatory or T helper 2 phenotype instead of T helper 1 features. Our findings suggested that insulin-loaded and unloaded glyburide-treated DCs are promising therapeutic approaches for autoimmune patients, specifically DCs loaded with insulin for T1DM patients. However, further research is required before this technique can be applied in clinical practice.
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Affiliation(s)
- Shiva Alipour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Tohid Kazemi
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Reza Sadeghi
- Department of Molecular Medicine, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Javad Masoumi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bahar Naseri
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Baghbani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Sohrabi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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11
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Lou S, Wu M, Cui S. Targeting NLRP3 Inflammasome: Structure, Function, and Inhibitors. Curr Med Chem 2024; 31:2021-2051. [PMID: 38310392 DOI: 10.2174/0109298673289984231127062528] [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: 10/29/2023] [Revised: 11/16/2023] [Accepted: 11/23/2023] [Indexed: 02/05/2024]
Abstract
Inflammasomes are multimeric protein complexes that can detect various physiological stimuli and danger signals. As a result, they perform a crucial function in the innate immune response. The NLRP3 inflammasome, as a vital constituent of the inflammasome family, is significant in defending against pathogen invasion and preserving cellhomeostasis. NLRP3 inflammasome dysregulation is connected to various pathological conditions, including inflammatory diseases, cancer, and cardiovascular and neurodegenerative diseases. This profile makes NLRP3 an applicable target for treating related diseases, and therefore, there are rising NLRP3 inhibitors disclosed for therapy. Herein, we summarized the updated advances in the structure, function, and inhibitors of NLRP3 inflammasome. Moreover, we aimed to provide an overview of the existing products and future directions for drug research and development.
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Affiliation(s)
- Shengying Lou
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Department of Pharmacy, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Miaolian Wu
- Department of Pharmacy, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Jinhua Institute of Zhejiang University, Jinhua, China
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12
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Docherty CAH, Fernando AJ, Rosli S, Lam M, Dolle RE, Navia MA, Farquhar R, La France D, Tate MD, Murphy CK, Rossi AG, Mansell A. A novel dual NLRP1 and NLRP3 inflammasome inhibitor for the treatment of inflammatory diseases. Clin Transl Immunology 2023; 12:e1455. [PMID: 37360982 PMCID: PMC10288073 DOI: 10.1002/cti2.1455] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 05/14/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
Objectives Inflammasomes induce maturation of the inflammatory cytokines IL-1β and IL-18, whose activity is associated with the pathophysiology of a wide range of infectious and inflammatory diseases. As validated therapeutic targets for the treatment of acute and chronic inflammatory diseases, there has been intense interest in developing small-molecule inhibitors to target inflammasome activity and reduce disease-associated inflammatory burden. Methods We examined the therapeutic potential of a novel small-molecule inhibitor, and associated derivatives, termed ADS032 to target and reduce inflammasome-mediated inflammation in vivo. In vitro, we characterised ADS032 function, target engagement and specificity. Results We describe ADS032 as the first dual NLRP1 and NLRP3 inhibitor. ADS032 is a rapid, reversible and stable inflammasome inhibitor that directly binds both NLRP1 and NLRP3, reducing secretion and maturation of IL-1β in human-derived macrophages and bronchial epithelial cells in response to the activation of NLPR1 and NLRP3. ADS032 also reduced NLRP3-induced ASC speck formation, indicative of targeting inflammasome formation. In vivo, ADS032 reduced IL-1β and TNF-α levels in the serum of mice challenged i.p. with LPS and reduced pulmonary inflammation in an acute model of lung silicosis. Critically, ADS032 protected mice from lethal influenza A virus challenge, displayed increased survival and reduced pulmonary inflammation. Conclusion ADS032 is the first described dual inflammasome inhibitor and a potential therapeutic to treat both NLRP1- and NLRP3-associated inflammatory diseases and also constitutes a novel tool that allows examination of the role of NLRP1 in human disease.
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Affiliation(s)
- Callum AH Docherty
- Centre for Innate Immunity and Infectious DiseasesHudson Institute of Medical ResearchClaytonVICAustralia
- Department of Molecular and Translational SciencesMonash UniversityClaytonVICAustralia
| | - Anuruddika J Fernando
- University of Edinburgh Centre for Inflammation ResearchQueen's Medical Research Institute, Edinburgh BioQuarterEdinburghUK
| | - Sarah Rosli
- Centre for Innate Immunity and Infectious DiseasesHudson Institute of Medical ResearchClaytonVICAustralia
- Department of Molecular and Translational SciencesMonash UniversityClaytonVICAustralia
| | - Maggie Lam
- Centre for Innate Immunity and Infectious DiseasesHudson Institute of Medical ResearchClaytonVICAustralia
- Department of Molecular and Translational SciencesMonash UniversityClaytonVICAustralia
| | - Roland E Dolle
- Department of Biochemistry and Molecular BiophysicsWashington University School of MedicineSt. LouisMOUSA
| | | | | | | | - Michelle D Tate
- Centre for Innate Immunity and Infectious DiseasesHudson Institute of Medical ResearchClaytonVICAustralia
- Department of Molecular and Translational SciencesMonash UniversityClaytonVICAustralia
| | | | - Adriano G Rossi
- University of Edinburgh Centre for Inflammation ResearchQueen's Medical Research Institute, Edinburgh BioQuarterEdinburghUK
| | - Ashley Mansell
- Centre for Innate Immunity and Infectious DiseasesHudson Institute of Medical ResearchClaytonVICAustralia
- Department of Molecular and Translational SciencesMonash UniversityClaytonVICAustralia
- Adiso TherapeuticsConcordMAUSA
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13
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Gastaldi S, Rocca C, Gianquinto E, Granieri MC, Boscaro V, Blua F, Rolando B, Marini E, Gallicchio M, De Bartolo A, Romeo N, Mazza R, Fedele F, Pagliaro P, Penna C, Spyrakis F, Bertinaria M, Angelone T. Discovery of a novel 1,3,4-oxadiazol-2-one-based NLRP3 inhibitor as a pharmacological agent to mitigate cardiac and metabolic complications in an experimental model of diet-induced metaflammation. Eur J Med Chem 2023; 257:115542. [PMID: 37290185 DOI: 10.1016/j.ejmech.2023.115542] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/10/2023]
Abstract
Inspired by the recent advancements in understanding the binding mode of sulfonylurea-based NLRP3 inhibitors to the NLRP3 sensor protein, we developed new NLRP3 inhibitors by replacing the central sulfonylurea moiety with different heterocycles. Computational studies evidenced that some of the designed compounds were able to maintain important interaction within the NACHT domain of the target protein similarly to the most active sulfonylurea-based NLRP3 inhibitors. Among the studied compounds, the 1,3,4-oxadiazol-2-one derivative 5 (INF200) showed the most promising results being able to prevent NLRP3-dependent pyroptosis triggered by LPS/ATP and LPS/MSU by 66.3 ± 6.6% and 61.6 ± 11.5% and to reduce IL-1β release (35.5 ± 8.8% μM) at 10 μM in human macrophages. The selected compound INF200 (20 mg/kg/day) was then tested in an in vivo rat model of high-fat diet (HFD)-induced metaflammation to evaluate its beneficial cardiometabolic effects. INF200 significantly counteracted HFD-dependent "anthropometric" changes, improved glucose and lipid profiles, and attenuated systemic inflammation and biomarkers of cardiac dysfunction (particularly BNP). Hemodynamic evaluation on Langendorff model indicate that INF200 limited myocardial damage-dependent ischemia/reperfusion injury (IRI) by improving post-ischemic systolic recovery and attenuating cardiac contracture, infarct size, and LDH release, thus reversing the exacerbation of obesity-associated damage. Mechanistically, in post-ischemic hearts, IFN200 reduced IRI-dependent NLRP3 activation, inflammation, and oxidative stress. These results highlight the potential of the novel NLRP3 inhibitor, INF200, and its ability to reverse the unfavorable cardio-metabolic dysfunction associated with obesity.
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Affiliation(s)
- Simone Gastaldi
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | - Carmine Rocca
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy
| | - Eleonora Gianquinto
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | - Maria Concetta Granieri
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy
| | - Valentina Boscaro
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | - Federica Blua
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | - Barbara Rolando
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | - Elisabetta Marini
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy
| | | | - Anna De Bartolo
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy
| | - Naomi Romeo
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy
| | - Rosa Mazza
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy
| | - Francesco Fedele
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Viale del Policlinico, 155, 00161, Rome, Italy; National Institute for Cardiovascular Research (INRC), Bologna, Italy
| | - Pasquale Pagliaro
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy; National Institute for Cardiovascular Research (INRC), Bologna, Italy
| | - Claudia Penna
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy; National Institute for Cardiovascular Research (INRC), Bologna, Italy.
| | - Francesca Spyrakis
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy.
| | - Massimo Bertinaria
- Department of Drug Science and Technology, University of Turin, 10125, Turin, Italy.
| | - Tommaso Angelone
- Cellular and Molecular Cardiovascular Pathophysiology Laboratory, Department of Biology, E. and E.S. (DiBEST), University of Calabria, 87036, Rende, Italy; National Institute for Cardiovascular Research (INRC), Bologna, Italy
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14
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Kheradmand F, Zhang Y, Corry DB. Contribution of adaptive immunity to human COPD and experimental models of emphysema. Physiol Rev 2023; 103:1059-1093. [PMID: 36201635 PMCID: PMC9886356 DOI: 10.1152/physrev.00036.2021] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 02/01/2023] Open
Abstract
The pathophysiology of chronic obstructive pulmonary disease (COPD) and the undisputed role of innate immune cells in this condition have dominated the field in the basic research arena for many years. Recently, however, compelling data suggesting that adaptive immune cells may also contribute to the progressive nature of lung destruction associated with COPD in smokers have gained considerable attention. The histopathological changes in the lungs of smokers can be limited to the large or small airways, but alveolar loss leading to emphysema, which occurs in some individuals, remains its most significant and irreversible outcome. Critically, however, the question of why emphysema progresses in a subset of former smokers remained a mystery for many years. The recognition of activated and organized tertiary T- and B-lymphoid aggregates in emphysematous lungs provided the first clue that adaptive immune cells may play a crucial role in COPD pathophysiology. Based on these findings from human translational studies, experimental animal models of emphysema were used to determine the mechanisms through which smoke exposure initiates and orchestrates adaptive autoreactive inflammation in the lungs. These models have revealed that T helper (Th)1 and Th17 subsets promote a positive feedback loop that activates innate immune cells, confirming their role in emphysema pathogenesis. Results from genetic studies and immune-based discoveries have further provided strong evidence for autoimmunity induction in smokers with emphysema. These new findings offer a novel opportunity to explore the mechanisms underlying the inflammatory landscape in the COPD lung and offer insights for development of precision-based treatment to halt lung destruction.
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Affiliation(s)
- Farrah Kheradmand
- Department of Medicine, Baylor College of Medicine, Houston, Texas
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas
- Biology of Inflammation Center, Baylor College of Medicine, Houston, Texas
- Center for Translational Research on Inflammatory Diseases (CTRID), Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
| | - Yun Zhang
- Department of Medicine, Baylor College of Medicine, Houston, Texas
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas
| | - David B Corry
- Department of Medicine, Baylor College of Medicine, Houston, Texas
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas
- Biology of Inflammation Center, Baylor College of Medicine, Houston, Texas
- Center for Translational Research on Inflammatory Diseases (CTRID), Michael E. DeBakey Department of Veterans Affairs Medical Center, Houston, Texas
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15
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Tranilast-matrine co-amorphous system: Strong intermolecular interactions, improved solubility, and physiochemical stability. Int J Pharm 2023; 635:122707. [PMID: 36764418 DOI: 10.1016/j.ijpharm.2023.122707] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/13/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023]
Abstract
There is a great interest to develop co-amorphous drug delivery systems to enhance the solubility of biopharmaceutics classification system (BCS) class II and IV drugs. However, most reported systems only resulted in severalfold solubility improvement. Tranilast (TRA) is an anti-allergic drug used to treat bronchial asthma and allergic rhinitis. It is a BCS class II drug and its poor aqueous solubility affects its absorption in vivo. To address this issue, a natural alkaloid matrine (MAR) with interesting biological activities was chosen to form a co-amorphous system with TRA, based on the solubility parameter and phase solubility experiment. The TRA-MAR drug-drug co-amorphous system was prepared by the solvent evaporation method, and further characterized by powder X-ray diffraction and modulated temperature differential scanning calorimetry. Fourier transform infrared spectroscopy, FT-Raman, and X-ray photoelectron spectroscopy revealed the formation of salt and the presence of strong intermolecular interactions in the TRA-MAR co-amorphous system, which are also supported by molecular dynamics simulations, showing ionic and hydrogen bonding interactions. This co-amorphous system exhibited excellent physical stability at both 25 °C and 40 °C under anhydrous silica gel condition. Finally, co-amorphous TRA-MAR showed greatly enhanced solubility (greater than 100-fold) and rapid release behavior in the vitro release experiments. NMR spectroscopy revealed the strong intermolecular interactions between TRA and MAR in both DMSO‑d6 and D2O. Our study resulted in a TRA-MAR co-amorphous drug system with significant solubility improvement and showcased the great potential to improve the dissolution behaviors of BCS class II and IV drugs through the co-amorphization approach.
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16
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González-Cofrade L, P Green J, Cuadrado I, Amesty Á, Oramas-Royo S, David Brough, Estévez-Braun A, Hortelano S, de Las Heras B. Phenolic and quinone methide nor-triterpenes as selective NLRP3 inflammasome inhibitors. Bioorg Chem 2023; 132:106362. [PMID: 36657273 DOI: 10.1016/j.bioorg.2023.106362] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/30/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023]
Abstract
Dysregulated inflammasome activity, particularly of the NLRP3 inflammasome, is associated with the development of several inflammatory diseases. The study of molecules directly targeting NLRP3 is an emerging field in the discovery of new therapeutic compounds for the treatment of inflammatory disorders. Friedelane triterpenes are biologically active phytochemicals having a wide range of activities including anti-inflammatory effects. In this work, we evaluated the potential anti-inflammatory activity of phenolic and quinonemethide nor-triterpenes (1-11) isolated from Maytenus retusa and some semisynthetic derivatives (12-16) through inhibition of the NLRP3 inflammasome in macrophages. Among them, we found that triterpenes 6 and 14 were the most potent, showing markedly reduced caspase-1 activity, IL-1β secretion (IC50 = 1.15 µM and 0.19 µM, respectively), and pyroptosis (IC50 = 2.21 µM and 0.13 µM, respectively). Further characterization confirmed their selective inhibition of NLRP3 inflammasome in both canonical and non-canonical activation pathways with no effects on AIM2 or NLRC4 inflammasome activation.
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Affiliation(s)
- Laura González-Cofrade
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (UCM), Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Jack P Green
- Division of Neuroscience, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom
| | - Irene Cuadrado
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (UCM), Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Ángel Amesty
- Departamento de Química Orgánica, Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
| | - Sandra Oramas-Royo
- Departamento de Química Orgánica, Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain
| | - David Brough
- Division of Neuroscience, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom
| | - Ana Estévez-Braun
- Departamento de Química Orgánica, Instituto Universitario de Bio-Orgánica Antonio González, Universidad de La Laguna, Avda. Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain.
| | - Sonsoles Hortelano
- Unidad de Terapias Farmacológicas, Área de Genética Humana, Instituto de Investigación de, Enfermedades Raras (IIER), Instituto de Salud Carlos III, Carretera de Majadahonda-Pozuelo Km 2, 28220 Madrid, Spain.
| | - Beatriz de Las Heras
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (UCM), Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
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17
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Wang T, Xu H, Dong R, Wu S, Guo Y, Wang D. Effectiveness of targeting the NLRP3 inflammasome by using natural polyphenols: A systematic review of implications on health effects. Food Res Int 2023; 165:112567. [PMID: 36869555 DOI: 10.1016/j.foodres.2023.112567] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/13/2022] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Globally, inflammation and metabolic disorders pose serious public health problems and are major health concerns. It has been shown that natural polyphenols are effective in the treatment of metabolic diseases, including anti-inflammation, anti-diabetes, anti-obesity, neuron-protection, and cardio-protection. NLRP3 inflammasome, which are multiprotein complexes located within the cytosol, play an important role in the innate immune system. However, aberrant activation of the NLRP3 inflammasome were discovered as essential molecular mechanisms in triggering inflammatory processes as well as implicating it in several major metabolic diseases, such as type 2 diabetes mellitus, obesity, atherosclerosis or cardiovascular disease. Recent studies indicate that natural polyphenols can inhibit NLRP3 inflammasome activation. In this review, the progress of natural polyphenols preventing inflammation and metabolic disorders via targeting NLRP3 inflammasome is systemically summarized. From the viewpoint of interfering NLRP3 inflammasome activation, the health effects of natural polyphenols are explained. Recent advances in other beneficial effects, clinical trials, and nano-delivery systems for targeting NLRP3 inflammasome are also reviewed. NLRP3 inflammasome is targeted by natural polyphenols to exert multiple health effects, which broadens the understanding of polyphenol mechanisms and provides valuable guidance to new researchers in this field.
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Affiliation(s)
- Taotao Wang
- Department of Clinical Nutrition, Affiliated Hospital of Jiangsu University, 212000 Zhenjiang, China
| | - Hong Xu
- School of Grain Science and Technology, Jiangsu University of Science and Technology, 212100 Zhenjiang, China
| | - Ruixia Dong
- College of Horticulture, Jinling Institute of Technology, 211169 Nanjing, China
| | - Shanshan Wu
- College of Agriculture & Biotechnology, Zhejiang University, 310058 Hanzhou, China
| | - Yuanxin Guo
- School of Grain Science and Technology, Jiangsu University of Science and Technology, 212100 Zhenjiang, China.
| | - Dongxu Wang
- School of Grain Science and Technology, Jiangsu University of Science and Technology, 212100 Zhenjiang, China.
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18
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Li J, Sheng H, Wang Y, Lai Z, Wang Y, Cui S. Scaffold Hybrid of the Natural Product Tanshinone I with Piperidine for the Discovery of a Potent NLRP3 Inflammasome Inhibitor. J Med Chem 2023; 66:2946-2963. [PMID: 36786612 DOI: 10.1021/acs.jmedchem.2c01967] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Natural products provide inspiration and have proven to be the most valuable source for drug discovery. Herein, we report a scaffold hybrid strategy of Tanshinone I for the discovery of NLRP3 inflammasome inhibitors. 36 compounds were designed and synthesized, and the cheminformatic analyses showed that these compounds occupy a unique chemical space. The biological evaluation identified compounds 5j, 12a, and 12d as NLRP3 inflammasome inhibitors with significant potency, selectivity, and drug-likeness. Mechanistic studies revealed that these Tanshinone I derivatives could inhibit the degradation of the protein NLRP3 and block the oligomerization of NLRP3-induced apoptosis-associated speck-like proteins, thus inhibiting NLRP3 inflammasome activation. In addition, the water solubility, in vitro metabolic stability, and oral bioavailability of these compounds were also greatly improved compared to Tanshinone I. Therefore, this protocol provides a new structural evolution of Tanshinone I and a new class of potent NLRP3 inflammasome inhibitors.
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Affiliation(s)
- Jiaming Li
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hongda Sheng
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yingchao Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhencheng Lai
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yi Wang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Sunliang Cui
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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19
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NLRP3 Susceptible Gene Polymorphisms in Patients with Primary Gouty Arthritis and Hyperuricemia. BIOMED RESEARCH INTERNATIONAL 2022; 2022:1427607. [PMID: 36051474 PMCID: PMC9427315 DOI: 10.1155/2022/1427607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/30/2022] [Indexed: 12/02/2022]
Abstract
Polymorphisms have been identified to predispose to primary gouty arthritis (GA) and hyperuricemia (HUA). Here, we accessed the five polymorphisms of rs10754558, rs35829419, rs3738448, rs3806268, and rs7525979 in NLRP3 on GA and HUA susceptibility. We collected 1198 samples (314 GA, 377 HUA, and 507 controls) for this case-control study. Our data detected that the rs3806268 (GA vs. AA: OR = 0.65, p = 0.012) was significantly associated with the susceptibility to GA. The rs3738448 (TT vs. GG: OR = 2.05, p = 0.024) and rs7525979 (TT vs. CC: OR = 1.96, p = 0.037) were significantly associated with the susceptibility to HUA. The rs3806268 AG genotype presented decreased risk of GA among the hypertension (OR = 0.54, p = 0.0093), smoking (OR = 0.59, p = 0.018), and no obesity (OR = 0.60, p = 0.0097) subjects compared to the GG genotype group. The rs3738448 TT genotype demonstrated increased risk of HUA among the hypertension (OR = 4.10, p = 0.0056) and no drinking population (OR = 3.56, p = 0.016) compared to the GG genotype group. The rs7525979 TT genotype demonstrated increased risk of HUA among the hypertension (OR = 4.01, p = 0.0064) and no drinking population (OR = 3.24, p = 0.034) compared to the CC genotype group. Furthermore, a significant haplotype effect of rs10754558/C-rs35829419/C-rs3738448/G-rs3806268/A-rs7525979/C was found (OR = 1.60, p = 0.0046) compared with GCGAC haplotype. Bioinformatics analyses indicated that rs3738448, rs3806268, and rs7525979 might influence the gene regulation, while the T-allele of rs3738448 increased the stability of NLRP3-mRNA. Collectively, our case-control study confirms NLRP3 polymorphisms might participate in regulating immune and inflammation responses in GA and HUA.
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Chen J, Liu Q, He J, Li Y. Immune responses in diabetic nephropathy: Pathogenic mechanisms and therapeutic target. Front Immunol 2022; 13:958790. [PMID: 36045667 PMCID: PMC9420855 DOI: 10.3389/fimmu.2022.958790] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/28/2022] [Indexed: 11/14/2022] Open
Abstract
Diabetic nephropathy (DN) is a chronic, inflammatory disease affecting millions of diabetic patients worldwide. DN is associated with proteinuria and progressive slowing of glomerular filtration, which often leads to end-stage kidney diseases. Due to the complexity of this metabolic disorder and lack of clarity about its pathogenesis, it is often more difficult to diagnose and treat than other kidney diseases. Recent studies have highlighted that the immune system can inadvertently contribute to DN pathogenesis. Cells involved in innate and adaptive immune responses can target the kidney due to increased expression of immune-related localization factors. Immune cells then activate a pro-inflammatory response involving the release of autocrine and paracrine factors, which further amplify inflammation and damage the kidney. Consequently, strategies to treat DN by targeting the immune responses are currently under study. In light of the steady rise in DN incidence, this timely review summarizes the latest findings about the role of the immune system in the pathogenesis of DN and discusses promising preclinical and clinical therapies.
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Affiliation(s)
| | | | - Jinhan He
- *Correspondence: Jinhan He, ; Yanping Li,
| | - Yanping Li
- *Correspondence: Jinhan He, ; Yanping Li,
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21
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Niu X, Song H, Xiao X, Yang Y, Huang Q, Yu J, Yu J, Liu Y, Han T, Zhang D, Li W. Tectoridin ameliorates proliferation and inflammation in TNF-α-induced HFLS-RA cells via suppressing the TLR4/NLRP3/NF-κB signaling pathway. Tissue Cell 2022; 77:101826. [DOI: 10.1016/j.tice.2022.101826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/23/2022] [Accepted: 05/16/2022] [Indexed: 11/26/2022]
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22
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Ammirati E, Bizzi E, Veronese G, Groh M, Van de Heyning CM, Lehtonen J, Pineton de Chambrun M, Cereda A, Picchi C, Trotta L, Moslehi JJ, Brucato A. Immunomodulating Therapies in Acute Myocarditis and Recurrent/Acute Pericarditis. Front Med (Lausanne) 2022; 9:838564. [PMID: 35350578 PMCID: PMC8958011 DOI: 10.3389/fmed.2022.838564] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/28/2022] [Indexed: 12/15/2022] Open
Abstract
The field of inflammatory disease of the heart or "cardio-immunology" is rapidly evolving due to the wider use of non-invasive diagnostic tools able to detect and monitor myocardial inflammation. In acute myocarditis, recent data on the use of immunomodulating therapies have been reported both in the setting of systemic autoimmune disorders and in the setting of isolated forms, especially in patients with specific histology (e.g., eosinophilic myocarditis) or with an arrhythmicburden. A role for immunosuppressive therapies has been also shown in severe cases of coronavirus disease 2019 (COVID-19), a condition that can be associated with cardiac injury and acute myocarditis. Furthermore, ongoing clinical trials are assessing the role of high dosage methylprednisolone in the context of acute myocarditis complicated by heart failure or fulminant presentation or the role of anakinra to treat patients with acute myocarditis excluding patients with hemodynamically unstable conditions. In addition, the explosion of immune-mediated therapies in oncology has introduced new pathophysiological entities, such as immune-checkpoint inhibitor-associated myocarditis and new basic research models to understand the interaction between the cardiac and immune systems. Here we provide a broad overview of evolving areas in cardio-immunology. We summarize the use of new imaging tools in combination with endomyocardial biopsy and laboratory parameters such as high sensitivity troponin to monitor the response to immunomodulating therapies based on recent evidence and clinical experience. Concerning pericarditis, the normal composition of pericardial fluid has been recently elucidated, allowing to assess the actual presence of inflammation; indeed, normal pericardial fluid is rich in nucleated cells, protein, albumin, LDH, at levels consistent with inflammatory exudates in other biological fluids. Importantly, recent findings showed how innate immunity plays a pivotal role in the pathogenesis of recurrent pericarditis with raised C-reactive protein, with inflammasome and IL-1 overproduction as drivers for systemic inflammatory response. In the era of tailored medicine, anti-IL-1 agents such as anakinra and rilonacept have been demonstrated highly effective in patients with recurrent pericarditis associated with an inflammatory phenotype.
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Affiliation(s)
- Enrico Ammirati
- De Gasperis Cardio Center and Transplant Center, Niguarda Hospital, Milano, Italy
| | - Emanuele Bizzi
- Internal Medicine, Fatebenefratelli Hospital, Milano, Italy
| | - Giacomo Veronese
- Department of Health Sciences, University of Milano-Bicocca, Monza, Italy
| | - Matthieu Groh
- National Reference Center for Hypereosinophilic Syndromes, CEREO, Suresnes, France
- Department of Internal Medicine, Hôpital Foch, Suresnes, France
| | - Caroline M. Van de Heyning
- Department of Cardiology, Antwerp University Hospital, and GENCOR Research Group, Antwerp University, Antwerp, Belgium
| | - Jukka Lehtonen
- Department of Cardiology, Heart and Lung Center, Helsinki University Hospital, Helsinki, Finland
| | - Marc Pineton de Chambrun
- Sorbonne Université, Assistance Publique-Hôpitaux de Paris (APHP), Hôpital La Pitié-Salpêtrière, Service de Médecine Intensive-Réanimation, Paris, France
- Sorbonne Université, APHP, Hôpital de la Pitié-Salpêtrière, Service de Médecine Interne 2, Centre de Référence National Lupus et SAPL et Autres Maladies Auto-immunes et Systémiques Rares, Paris, France
- Sorbonne Université, INSERM, UMRS_1166-ICAN, ICAN, Paris, France
| | - Alberto Cereda
- Cardiovascular Department, Association Socio Sanitary Territorial Santi Paolo e Carlo, Milano, Italy
| | - Chiara Picchi
- Internal Medicine, Fatebenefratelli Hospital, Milano, Italy
| | - Lucia Trotta
- Internal Medicine, Fatebenefratelli Hospital, Milano, Italy
| | - Javid J. Moslehi
- Section of Cardio-Oncology and Immunology, Division of Cardiology and the Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, United States
| | - Antonio Brucato
- Internal Medicine, Fatebenefratelli Hospital, Milano, Italy
- Department of Biomedical and Clinical Sciences “Luigi Sacco, ” Fatebenefratelli Hospital, University of Milano, Milano, Italy
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Zhou GQ, Chen G, Yang J, Qin WY, Ping J. Guizhi-Shaoyao-Zhimu decoction attenuates monosodium urate crystal-induced inflammation through inactivation of NF-κB and NLRP3 inflammasome. JOURNAL OF ETHNOPHARMACOLOGY 2022; 283:114707. [PMID: 34619319 DOI: 10.1016/j.jep.2021.114707] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/18/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Guizhi-Shaoyao-Zhimu decoction (GSZD), a classical traditional Chinese medicine (TCM) prescription, is used empirically to treat various types of arthritis in TCM clinical practice. However, the underlying mechanisms of GSZD on gouty inflammation are not totally elucidated. AIM OF STUDY The purpose of this study is to investigate the effects of GSZD on peritoneal recruitment of neutrophils, production of proinflammatory mediators, activations of nuclear factor (NF)-κB and nucleotide oligomerization domain-like receptor protein-3 (NLRP3) inflammasome in mice with monosodium urate crystal (MSU)-induced peritonitis (MIP). MATERIALS AND METHODS Mice were intragastrically administered with GSZD for 7 days. After the last administration, mice were intraperitoneally injected with MSU. Peritoneal exudates of mice were harvested, and total peritoneal cells were calculated. Levels of interleukin (IL)-1β, IL-6 and monocyte chemotactic protein (MCP)-1 in peritoneal exudates were tested by enzyme-linked immunosorbent assay. Expressions of IL-1β, NLRP3, cysteinyl aspartate specific proteinase (caspase)-1, apoptosis-associated speck-like protein containing the caspase activation and recruitment domain (ASC), phosphorylated (p)-p65, inhibitor of NF-κB (IκB)α, p-IκB kinase (IKK)β, nuclear p65, p-mitogen-activated protein kinases (MAPKs) in peritoneal cells were analyzed by Western blot. Binding activity of NF-κB to DNA was measured by a Trans AM™ kit for p65. Interaction between ASC and pro-caspase-1 was assessed by co-immunoprecipitation assay. RESULTS Total peritoneal cells, levels of IL-1β, IL-6 and MCP-1 were significantly reduced by GSZD treatment in peritoneal exudates of MIP mice. As for the activation of NF-κB, GSZD treatment significantly reduced the levels of p-p65, p-IKKβ, nuclear p65 and p-MAPKs, enhanced the level of IκBα and abated the binding ability of NF-κB to DNA in peritoneal cells of MIP mice. As for the activation of NLRP3 inflammasome, GSZD treatment significantly reduced the levels of IL-1β, NLRP3 and caspase-1, and alleviated the interaction between ASC and pro-caspase-1 in peritoneal cells of MIP mice. Nevertheless, GSZD didn't remarkably change the level of ASC. CONCLUSIONS These results suggest that GSZD attenuates the MSU-induced inflammation through inhibiting the activations of NF-κB and NLRP3 inflammasome.
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Affiliation(s)
- Guo-Qing Zhou
- Department of Combination of Chinese and Western Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Gang Chen
- Key Laboratory of Natural Medicine Research of Chongqing Education Commission, College of Environment and Resources, Chongqing Technology and Business University, Chongqing, 400067, China.
| | - Juan Yang
- Department of Combination of Chinese and Western Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Wen-Yi Qin
- Department of Combination of Chinese and Western Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Jia Ping
- Department of Combination of Chinese and Western Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Inhibitory Role of Berberine, an Isoquinoline Alkaloid, on NLRP3 Inflammasome Activation for the Treatment of Inflammatory Diseases. Molecules 2021; 26:molecules26206238. [PMID: 34684819 PMCID: PMC8537060 DOI: 10.3390/molecules26206238] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/26/2022] Open
Abstract
The pyrin domain-containing multiprotein complex NLRP3 inflammasome, consisting of the NLRP3 protein, ASC adaptor, and procaspase-1, plays a vital role in the pathophysiology of several inflammatory disorders, including neurological and metabolic disorders, chronic inflammatory diseases, and cancer. Several phytochemicals act as promising anti-inflammatory agents and are usually regarded to have potential applications as complementary or alternative therapeutic agents against chronic inflammatory disorders. Various in vitro and in vivo studies have reported the anti-inflammatory role of berberine (BRB), an organic heteropentacyclic phytochemical and natural isoquinoline, in inhibiting NLRP3 inflammasome-dependent inflammation against many disorders. This review summarizes the mechanism and regulation of NLRP3 inflammasome activation and its involvement in inflammatory diseases, and discusses the current scientific evidence on the repressive role of BRB on NLRP3 inflammasome pathways along with the possible mechanism(s) and their potential in counteracting various inflammatory diseases.
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Overcoming Immunotherapy Resistance by Targeting the Tumor-Intrinsic NLRP3-HSP70 Signaling Axis. Cancers (Basel) 2021; 13:cancers13194753. [PMID: 34638239 PMCID: PMC8507548 DOI: 10.3390/cancers13194753] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 01/09/2023] Open
Abstract
Simple Summary The tumor-intrinsic NLRP3 inflammasome is a newly recognized player in the regulation of tumor-directed immune responses and promises to provide fresh insight into how tumors respond to immunotherapy. This brief review discusses recent data describing how activation of the tumor-intrinsic NLRP3 inflammasome contributes to immune evasion and what this pathway may provide to the field of immuno-oncology both in terms of pharmacologic targets capable of boosting responses to checkpoint inhibitor therapies and predictive biomarkers indicating which tumors may be most susceptible to these new therapeutic strategies. Abstract The tumor-intrinsic NOD-like receptor family, pyrin-domain-containing-3 (NLRP3) inflammasome, plays an important role in regulating immunosuppressive myeloid cell populations in the tumor microenvironment (TME). While prior studies have described the activation of this inflammasome in driving pro-tumorigenic mechanisms, emerging data is now revealing the tumor NLRP3 inflammasome and the downstream release of heat shock protein-70 (HSP70) to regulate anti-tumor immunity and contribute to the development of adaptive resistance to anti-PD-1 immunotherapy. Genetic alterations that influence the activity of the NLRP3 signaling axis are likely to impact T cell-mediated tumor cell killing and may indicate which tumors rely on this pathway for immune escape. These studies suggest that the NLRP3 inflammasome and its secreted product, HSP70, represent promising pharmacologic targets for manipulating innate immune cell populations in the TME while enhancing responses to anti-PD-1 immunotherapy. Additional studies are needed to better understand tumor-specific regulatory mechanisms of NLRP3 to enable the development of tumor-selective pharmacologic strategies capable of augmenting responses to checkpoint inhibitor immunotherapy while minimizing unwanted off-target effects. The execution of upcoming clinical trials investigating this strategy to overcome anti-PD-1 resistance promises to provide novel insight into the role of this pathway in immuno-oncology.
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Bizzi E, Trotta L, Pancrazi M, Nivuori M, Giosia V, Matteucci L, Montori D, Brucato A. Autoimmune and Autoinflammatory Pericarditis: Definitions and New Treatments. Curr Cardiol Rep 2021; 23:128. [PMID: 34319478 DOI: 10.1007/s11886-021-01549-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/06/2021] [Indexed: 12/24/2022]
Abstract
PURPOSE OF THE REVIEW The purpose of the review is to analyze the pathogenetic mechanisms that underlie acute pericarditis, with attention to autoimmune and autoinflammatory pericarditis, and, in addition, to review the available therapeutic armamentarium. RECENT FINDINGS Several studies have been published on the use of anti-IL-1 drugs in recurrent pericarditis, including anakinra and rilonacept. The latest, the RHAPSODY study, based on the use of rilonacept in recurrent pericarditis, has recently reached phase 3 with promising results in terms of efficacy and safety. Alterations in the function of the inflammasome and the consequent overproduction of IL-1 play a pivotal role in the genesis of autoinflammatory pericarditis. Recent studies added evidence to the importance of anti-IL-1 drugs in the treatment of recurrent pericarditis with raised C-reactive protein. In the era of tailored medicine, anti-IL-1 agents may be very useful in the subset of patients with recurrent pericarditis and a clear inflammatory phenotype.
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Affiliation(s)
- Emanuele Bizzi
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy.
| | - Lucia Trotta
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Massimo Pancrazi
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Mariangela Nivuori
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Valeria Giosia
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Luca Matteucci
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Daniela Montori
- Internal Medicine, Fatebefratelli Hospital, Piazzale Principessa Clotilde 3, Milan, Italy
| | - Antonio Brucato
- Department of Biomedical and Clinical Sciences, Fatebenefratelli Hospital, Università di Milano, Milan, Italy
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