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Kaneko N, Kurata M, Yamamoto T, Sakamoto A, Takada Y, Kosako H, Takeda H, Sawasaki T, Masumoto J. CANE, a Component of the NLRP3 Inflammasome, Promotes Inflammasome Activation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 213:86-95. [PMID: 38787200 DOI: 10.4049/jimmunol.2300175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/26/2024] [Indexed: 05/25/2024]
Abstract
The nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3, also called cryopyrin) inflammasome is an intracellular innate immune complex, which consists of the pattern-recognition receptor NLRP3, the adaptor apoptosis-assciated speck-like protein containing a caspase recruitment domain, and procaspase-1. Aberrant activation of the NLRP3 inflammasome causes an autoinflammatory disease called cryopyrin-associated periodic syndrome (CAPS). CAPS is caused by gain-of-function mutations in the NLRP3-encoding gene CIAS1; however, the mechanism of CAPS pathogenesis has not been fully understood. Thus, unknown regulators of the NLRP3 inflammasome, which are associated with CAPS development, are being investigated. To identify novel components of the NLRP3 inflammasome, we performed a high-throughput screen using a human protein array, with NLRP3 as the bait. We identified a NLRP3-binding protein, which we called the cryopyrin-associated nano enhancer (CANE). We demonstrated that CANE increased IL-1β secretion after NLRP3 inflammasome reconstitution in human embryonic kidney 293T cells and formed a "speck" in the cytosol, a hallmark of NLRP3 inflammasome activity. Reduced expression of endogenous CANE decreased IL-1β secretion upon stimulation with the NLRP3 agonist nigericin. To investigate the role of CANE in vivo, we developed CANE-transgenic mice. The PBMCs and bone marrow-derived macrophages of CANE-transgenic mice exhibited increased IL-1β secretion. Moreover, increased autoinflammatory neutrophil infiltration was observed in the s.c. tissue of CANE-transgenic versus wild-type mice; these phenotypes were consistent with those of CAPS model mice. These findings suggest that CANE, a component of the NLRP3 inflammasome, is a potential modulator of the inflammasome and a contributor to CAPS pathogenesis.
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Affiliation(s)
- Naoe Kaneko
- Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Mie Kurata
- Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Toshihiro Yamamoto
- Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Akimasa Sakamoto
- Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
- Department of Hepatobiliary Pancreatic and Transplantation Surgery, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Yasutsugu Takada
- Department of Hepatobiliary Pancreatic and Transplantation Surgery, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Hidetaka Kosako
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Hiroyuki Takeda
- Division of Proteo-Drug-Discovery Sciences, Proteo-Science Center, Ehime University, Matsuyama, Ehime, Japan
| | - Tatsuya Sawasaki
- Division of Cell-Free Sciences, Proteo-Science Center, Ehime University, Matsuyama, Ehime, Japan
| | - Junya Masumoto
- Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
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Dong Y, Zhao K, Qin X, Du G, Gao L. The mechanisms of perineuronal net abnormalities in contributing aging and neurological diseases. Ageing Res Rev 2023; 92:102092. [PMID: 37839757 DOI: 10.1016/j.arr.2023.102092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/29/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023]
Abstract
The perineuronal net (PNN) is a highly latticed extracellular matrix in the central nervous system, which is composed of hyaluronic acid, proteoglycan, hyaluronan and proteoglycan link protein (Hapln), and tenascin. PNN is predominantly distributed in GABAergic interneurons expressing Parvalbumin (PV) and plays a critical role in synaptic function, learning and memory, oxidative stress, and inflammation. In addition, PNN's structure and function are also modulated by a variety of factors, including protein tyrosine phosphatase σ (PTPσ), orthodenticle homeo-box 2 (Otx2), and erb-b2 receptor tyrosine kinase 4 (ErbB4). Glycosaminoglycan (GAG), a component of proteoglycan, also influences PNN through its sulfate mode. PNN undergoes abnormal changes during aging and in various neurological diseases, such as Alzheimer's disease, Parkinson's disease, schizophrenia, autism spectrum disorder, and multiple sclerosis. Nevertheless, there is limited report on the relationship between PNN and aging or age-related neurological diseases. This review elaborates on the mechanisms governing PNN regulation and summarizes how PNN abnormalities contribute to aging and neurological diseases, offering insights for potential treatments.
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Affiliation(s)
- Yixiao Dong
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
| | - Kunkun Zhao
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China
| | - Guanhua Du
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
| | - Li Gao
- Modern Research Center for Traditional Chinese Medicine, the Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan, China; Key Laboratory of Effective Substances Research and Utilization in TCM of Shanxi Province, Taiyuan, China.
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Nasr M, Cavalu S, Saber S, Youssef ME, Abdelhamid AM, Elagamy HI, Kamal I, Gaafar AGA, El-Ahwany E, Amin NA, Girgis S, El-Sandarosy R, Mahmoud F, Rizk H, Mansour M, Hasaballah A, El-Rafi AA, El-Azez RA, Essam M, Mohamed D, Essam N, Mohammed OA. Canagliflozin-loaded chitosan-hyaluronic acid microspheres modulate AMPK/NF-κB/NLRP3 axis: A new paradigm in the rectal therapy of ulcerative colitis. Biomed Pharmacother 2022; 153:113409. [DOI: 10.1016/j.biopha.2022.113409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/03/2022] [Accepted: 07/11/2022] [Indexed: 12/27/2022] Open
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Kaneko N, Mori W, Kurata M, Yamamoto T, Zako T, Masumoto J. Inflammasome assembly is required for intracellular formation of β2-microglobulin amyloid fibrils, leading to IL-1β secretion. Int J Immunopathol Pharmacol 2022; 36:3946320221104554. [PMID: 35615856 PMCID: PMC9152197 DOI: 10.1177/03946320221104554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Dialysis-related amyloidosis (DRA) caused by β2-microgloblin (B2M) fibrils is a serious complication for patients with kidney failure on long-term dialysis. Deposition of B2M amyloid fibrils is thought to be due not only to serum extracellular B2M but also to infiltrating inflammatory cells, which may have an important role in B2M amyloid deposition in osteoarticular tissues in patients with DRA. Here, we asked whether B2M amyloid fibrils activate the inflammasome and contribute to formation and deposition of amyloid fibrils in cells. METHODS Amyloid formation was confirmed by a thioflavin T (ThT) spectroscopic assay and scanning electron microscopy (SEM). Activation of inflammasomes was assessed by detecting interleukin (IL)-1β in culture supernatants from human embryonic kidney (HEK) 293T cells ectopically expressing inflammasome components. IL-1β secretion was measured by enzyme-linked immunosorbent assay. Expression and co-localization were analyzed by immunohistochemistry and dual immunofluorescence microscopy. RESULTS B2M amyloid fibrils interacted directly with NLRP3/Pyrin and to activate the NLRP3/Pyrin inflammasomes, resulting in IL-1β secretion. When HEK293T cells were transfected with inflammasome components NLRP3 or Pyrin, along with ASC, pro-caspase-1, pro-IL-1β, and B2M, ThT fluorescence intensity increased. This was accompanied by IL-1β secretion, which increased in line with the amount of transfected B2M. In this case, morphological glowing of amyloid fibrils was observed by SEM. In the absence of ASC, there was no increase in ThT fluorescence intensity or IL-1β secretion, or any morphological glowing of amyloid fibrils. NLRP3 or Pyrin and B2M were co-localized in a "speck" in HEK293T cells, and co-expressed in infiltrated monocytes/macrophages in the osteoarticular synovial tissues in a patient with DRA. CONCLUSION Taken together, these data suggest that inflammasome assembly is required for the subsequent triggering of intracellular formation of B2M amyloid fibrils, which may contribute to osteoarticular deposition of B2M amyloid fibrils and inflammation in patients with DRA.
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Affiliation(s)
- Naoe Kaneko
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Toon, Japan
| | - Wakako Mori
- Department of Chemistry and Biology, Ehime University Graduate School of Science and Engineering, Matsuyama, Japan
| | - Mie Kurata
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Toon, Japan
| | - Toshihiro Yamamoto
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Toon, Japan
| | - Tamotsu Zako
- Department of Chemistry and Biology, Ehime University Graduate School of Science and Engineering, Matsuyama, Japan
| | - Junya Masumoto
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Toon, Japan
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KN3014, a piperidine-containing small compound, inhibits auto-secretion of IL-1β from PBMCs in a patient with Muckle-Wells syndrome. Sci Rep 2020; 10:13562. [PMID: 32782316 PMCID: PMC7419506 DOI: 10.1038/s41598-020-70513-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 07/30/2020] [Indexed: 12/12/2022] Open
Abstract
NLRP3, an intracellular pattern recognition receptor, recognizes numerous pathogens and/or its own damage-associated molecules, and forms complexes with the adaptor protein ASC. These complexes constitute the NLRP3 inflammasome, a platform for processing interleukin (IL)-1β and/or IL-18. Several NLRP3 mutations result in constitutive activation of the NLRP3 inflammasome, causing cryopyrin-associated periodic syndrome (CAPS). To the best of our knowledge, small compounds that specifically inhibit inflammasome activation through the pyrin domain (PYD) have not yet been developed. This study describes an attempt to develop small compounds targeting the NLRP3 inflammasome. A core chemical library of 9,600 chemicals was screened against reconstituted NLRP3 inflammasome in a cell-free system with an amplified luminescence proximity homogeneous assay and a cell-based assay by human peripheral blood mononuclear cells (PBMCs). Inflammasome activation was evaluated by ASC-speck formation in human PBMCs, accompanied by IL-1β secretion and processing, and by using IL-1β-based dual operating luciferase (IDOL) mice. The activity of these compounds was evaluated clinically using PBMCs from a patient with Muckle–Wells syndrome (MWS), a type of CAPS, with an R260W mutation in NLRP3. Screening identified KN3014, a piperidine-containing compound targeting the interaction between NLRP3 and ASC through the PYD. KN3014 reduced ASC-speck formation in human PBMCs, luminescence from IDOL mice, and auto-secretion of IL-1β by PBMCs from the patient with MWS. These findings suggest that KN3014 may be an attractive candidate for treatment of MWS, as well as other NLRP3 inflammasomopathies.
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Morikawa S, Kaneko N, Okumura C, Taguchi H, Kurata M, Yamamoto T, Osawa H, Nakanishi A, Zako T, Masumoto J. IAPP/amylin deposition, which is correlated with expressions of ASC and IL-1β in β-cells of Langerhans' islets, directly initiates NLRP3 inflammasome activation. Int J Immunopathol Pharmacol 2018; 32:2058738418788749. [PMID: 30014749 PMCID: PMC6050799 DOI: 10.1177/2058738418788749] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Recent findings revealed that type 2 diabetes mellitus (T2D) is a chronic inflammatory disease and an islet amyloid polypeptide (IAPP)/amylin, is deposited within pancreatic islets. IAPP/amylin has been reported to activate NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome in infiltrated macrophages. NLRP3, an intracellular pattern recognition receptor, has been shown to recognize pathogens and/or metabolites and complexes with the adopter protein apoptosis-associated speck-like protein containing a caspase-recruitment domain ASC to form a huge complex, called an inflammasome, an interleukin (IL)-1β-processing platform. Although reactive oxygen species (ROS) were reported to be involved in activation of NLRP3 inflammasome, we were hypothesized that IAPP could directly activate NLRP3 inflammasome, leading to islets β-cell death. We analyzed expression of the inflammasome components ASC, NLRP3, caspase-1, IL-1β, IAPP/amylin, and insulin immunohistochemically in Langerhans' islets of autopsy cases. The initial event of NLRP3 inflammasome activation was assessed using a cell-free system consisting of NLRP3 and ASC with the amplified luminescent proximity homogeneous assay. IAPP/amylin deposition in Langerhans' islets was detected and significantly correlated with expressions of IL-1β and ASC. IAPP/amylin directly interacted with NLRP3 and initiated an interaction between NLRP3 and ASC in a cell-free system. The deposition of IAPP/amylin in β-cells of Langerhans' islets may act together with the expression level of an inflammasome component, ASC, to regulate IL-1β processing, and directly lead to the dysfunction of β-cells. The interaction between IAPP/amylin and NLRP3 could be an attractive drug target to avoid both inflammation and β-cell death for T2D therapy.
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Affiliation(s)
- Shinnosuke Morikawa
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Naoe Kaneko
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Chikara Okumura
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Haruka Taguchi
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Mie Kurata
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Toshihiro Yamamoto
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
| | - Haruhiko Osawa
- 2 Department of Diabetes and Molecular Genetics, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Ayaka Nakanishi
- 3 Department of Chemistry and Biology, Graduate School of Science and Engineering, Ehime University, Matsuyama, Japan
| | - Tamotsu Zako
- 3 Department of Chemistry and Biology, Graduate School of Science and Engineering, Ehime University, Matsuyama, Japan
| | - Junya Masumoto
- 1 Department of Pathology, Proteo-Science Center and Graduate School of Medicine, Ehime University, Toon, Japan
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Nakanishi A, Kaneko N, Takeda H, Sawasaki T, Morikawa S, Zhou W, Kurata M, Yamamoto T, Akbar SMF, Zako T, Masumoto J. Amyloid β directly interacts with NLRP3 to initiate inflammasome activation: identification of an intrinsic NLRP3 ligand in a cell-free system. Inflamm Regen 2018; 38:27. [PMID: 30459926 PMCID: PMC6231249 DOI: 10.1186/s41232-018-0085-6] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 09/03/2018] [Indexed: 12/20/2022] Open
Abstract
Background Alzheimer’s disease is a neurodegenerative disease characterized by the interstitial deposition of amyloid β (Aβ) plaque, which is thought to be related to chronic neuroinflammation. Aβ is known to make fibrils via oligomers from monomers. Aβ has been reported to activate the NLRP3 inflammasome in infiltrated macrophages. NLRP3, an intracellular pattern recognition receptor, has been reported to recognize numerous pathogens and/or metabolites and form complexes with adopter protein ASC to make the inflammasome, an interleukin (IL)-1β-processing platform. Although reactive oxygen species from mitochondria have been reported to be involved in the activation of the NLRP3 inflammasome in microglial cells upon the deposition of Aβ, whether Aβ directly or indirectly activates the NLRP3 inflammasome remains unclear. Methods We prepared monomers, oligomers, and fibrils of Aβ, which promoted the interaction between NLRP3 and each form of Aβ and analyzed the interaction between NLRP3 and ASC induced by each form of Aβ in a cell-free system with the amplified luminescent proximity homogeneous assay. We also confirmed the physiological relevance in a cell-based assay using human embryonic kidney 293T cells and human peripheral mononuclear cells. Results Monomers, oligomers, and fibrils of Aβ were successfully prepared. Aβ oligomers and fibrils interacted with NLRP3. Aβ oligomers and fibrils induced the interaction between NLRP3 and ASC. However, Aβ monomers did not interact with NLRP3 or induce interaction between NLRP3 and ASC in the cell-free system, and IL-1β was not secreted according to the cell-based assay. Conclusion Oligomerized Aβ originating from non-toxic Aβ monomers directly interacted with NLRP3, leading to the activation of the NLRP3 inflammasome. This may be an attractive target for the treatment of Alzheimer’s disease. Electronic supplementary material The online version of this article (10.1186/s41232-018-0085-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ayaka Nakanishi
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan.,2Department of Chemistry and Biology, Ehime University Graduate School of Science and Engineering, Bunkyocho 2-5, Matsuyama, Ehime 790-8577 Japan
| | - Naoe Kaneko
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Hiroyuki Takeda
- 3Divison of Proteo-Drug-Discovery Sciences, Ehime University Proteo-Science Center, Bunkyocho 3, Matsuyama, Ehime 790-8577 Japan
| | - Tatsuya Sawasaki
- 4Division of Cell-free Sciences, Ehime University Proteo-Science Center, Bunkyocho 3, Matsuyama, Ehime 790-8577 Japan
| | - Shinnosuke Morikawa
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Wei Zhou
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Mie Kurata
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Toshihiro Yamamoto
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Sheikh Mohammad Fazle Akbar
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Tamotsu Zako
- 2Department of Chemistry and Biology, Ehime University Graduate School of Science and Engineering, Bunkyocho 2-5, Matsuyama, Ehime 790-8577 Japan
| | - Junya Masumoto
- 1Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Centre, Shitsukawa 454, Toon, Ehime 791-0295 Japan
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