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Vidana Gamage HE, Albright ST, Smith AJ, Farmer R, Shahoei SH, Wang Y, Fink EC, Jacquin E, Weisser E, Bautista RO, Henn MA, Schane CP, Nelczyk AT, Ma L, Das Gupta A, Bendre SV, Nguyen T, Tiwari S, Krawczynska N, He S, Tjoanda E, Chen H, Sverdlov M, Gann PH, Boidot R, Vegran F, Fanning SW, Apetoh L, Hergenrother PJ, Nelson ER. Development of NR0B2 as a therapeutic target for the re-education of tumor associated myeloid cells. Cancer Lett 2024; 597:217086. [PMID: 38944231 DOI: 10.1016/j.canlet.2024.217086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/01/2024]
Abstract
Immune checkpoint blockade (ICB) has had limited utility in several solid tumors such as breast cancer, a major cause of cancer-related mortality in women. Therefore, there is considerable interest in alternate strategies to promote an anti-cancer immune response. A paper co-published in this issue describes how NR0B2, a protein involved in cholesterol homeostasis, functions within myeloid immune cells to modulate the inflammasome and reduce the expansion of immune-suppressive regulatory T cells (Treg). Here, we develop NR0B2 as a potential therapeutic target. NR0B2 in tumors is associated with improved survival for several cancer types including breast. Importantly, NR0B2 expression is also prognostic of ICB success. Within breast tumors, NR0B2 expression is inversely associated with FOXP3, a marker of Tregs. While a described agonist (DSHN) had some efficacy, it required high doses and long treatment times. Therefore, we designed and screened several derivatives. A methyl ester derivative (DSHN-OMe) emerged as superior in terms of (1) cellular uptake, (2) ability to regulate expected expression of genes, (3) suppression of Treg expansion using in vitro co-culture systems, and (4) efficacy against the growth of primary and metastatic tumors. This work identifies NR0B2 as a target to re-educate myeloid immune cells and a novel ligand with significant anti-tumor efficacy in preclinical models.
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Affiliation(s)
- Hashni Epa Vidana Gamage
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Samuel T Albright
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Amanda J Smith
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rachel Farmer
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sayyed Hamed Shahoei
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Yu Wang
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Emma C Fink
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | | | - Erin Weisser
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rafael O Bautista
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Madeline A Henn
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Claire P Schane
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Adam T Nelczyk
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Liqian Ma
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Anasuya Das Gupta
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Shruti V Bendre
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Tiffany Nguyen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Srishti Tiwari
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Natalia Krawczynska
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sisi He
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Evelyn Tjoanda
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Hong Chen
- Food Science & Human Nutrition, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Maria Sverdlov
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA
| | - Peter H Gann
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA; Department of Pathology, University of Illinois at Chicago, Illinois, USA
| | - Romain Boidot
- Unit of Molecular Biology, Department of Biology and Pathology of Tumors, Georges-Francois Leclerc Cancer Center, Dijon, France; ICMUB UMR CNRS 6302, Dijon, France
| | | | - Sean W Fanning
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | | | - Paul J Hergenrother
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA; Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Erik R Nelson
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA; Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA; Division of Nutritional Sciences, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA.
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2
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Vidana Gamage HE, Shahoei SH, Wang Y, Jacquin E, Weisser E, Bautista RO, Henn MA, Schane CP, Nelczyk AT, Ma L, Das Gupta A, Bendre SV, Nguyen T, Tiwari S, Tjoanda E, Krawczynska N, He S, Albright ST, Farmer R, Smith AJ, Fink EC, Chen H, Sverdlov M, Gann PH, Boidot R, Vegran F, Fanning SW, Hergenrother PJ, Apetoh L, Nelson ER. NR0B2 re-educates myeloid immune cells to reduce regulatory T cell expansion and progression of breast and other solid tumors. Cancer Lett 2024; 597:217042. [PMID: 38908543 DOI: 10.1016/j.canlet.2024.217042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/24/2024]
Abstract
Although survival from breast cancer has dramatically increased, many will develop recurrent, metastatic disease. Unfortunately, survival for this stage of disease remains very low. Activating the immune system has incredible promise since it has the potential to be curative. However, immune checkpoint blockade (ICB) which works through T cells has been largely disappointing for metastatic breast cancer. One reason for this is a suppressive myeloid immune compartment that is unaffected by ICB. Cholesterol metabolism and proteins involved in cholesterol homeostasis play important regulatory roles in myeloid cells. Here, we demonstrate that NR0B2, a nuclear receptor involved in negative feedback of cholesterol metabolism, works in several myeloid cell types to impair subsequent expansion of regulatory T cells (Tregs); Tregs being a subset known to be highly immune suppressive and associated with poor therapeutic response. Within myeloid cells, NR0B2 serves to decrease many aspects of the inflammasome, ultimately resulting in decreased IL1β; IL1β driving Treg expansion. Importantly, mice lacking NR0B2 exhibit accelerated tumor growth. Thus, NR0B2 represents an important node in myeloid cells dictating ensuing Treg expansion and tumor growth, thereby representing a novel therapeutic target to re-educate these cells, having impact across different solid tumor types. Indeed, a paper co-published in this issue demonstrates the therapeutic utility of targeting NR0B2.
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Affiliation(s)
- Hashni Epa Vidana Gamage
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sayyed Hamed Shahoei
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Yu Wang
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | | | - Erin Weisser
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rafael O Bautista
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Madeline A Henn
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Claire P Schane
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Adam T Nelczyk
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Liqian Ma
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Anasuya Das Gupta
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Shruti V Bendre
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Tiffany Nguyen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Srishti Tiwari
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Evelyn Tjoanda
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Natalia Krawczynska
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sisi He
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Samuel T Albright
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rachel Farmer
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Amanda J Smith
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Emma C Fink
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | - Hong Chen
- Food Science & Human Nutrition, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Maria Sverdlov
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA
| | - Peter H Gann
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA; Department of Pathology, University of Illinois at Chicago, Illinois, USA
| | - Romain Boidot
- Unit of Molecular Biology, Department of Biology and Pathology of Tumors, Georges-Francois Leclerc Cancer Center, Dijon, France; ICMUB UMR CNRS 6302, Dijon, France
| | | | - Sean W Fanning
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | - Paul J Hergenrother
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA; Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA
| | | | - Erik R Nelson
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA; Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA; Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA; Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA; Division of Nutritional Sciences, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA.
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Zhang L, Miao C, Wang Z, Guan X, Ma Y, Song J, Shen S, Song H, Li M, Liu C. Preparation and characterisation of baicalin magnesium and its protective effect in ulcerative colitis via gut microbiota-bile acid axis modulation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 126:155416. [PMID: 38394726 DOI: 10.1016/j.phymed.2024.155416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/23/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Scutellaria baicalensis Georgi is a well-known herb in traditional Chinese medicine that is frequently prescribed for various gastrointestinal conditions, including ulcerative colitis (UC). Its primary active constituent, baicalin, has poorly water solubility that reduces its efficacy. PURPOSE To enhance the aqueous solubility of baicalin by optimising its extraction process. We compared the modulatory effects of isolated water-soluble baicalin and water-insoluble baicalin on UC, and delved deeper into the potential mechanisms of water-soluble baicalin. METHODS We successfully extracted a more hydrophilic baicalin directly from an aqueous S. baicalensis Georgi extract through the process of recrystallisation following alcoholic precipitation of the aqueous extract obtained from S. baicalensis Georgi, eliminating the need for acid additives. This specific form of baicalin was conclusively identified by UV, IR, atomic absorption spectroscopy, elemental analysis, 1H NMR, 13C NMR, and ESI-HRMS. We subsequently compared the regulatory effects of baicalin on UC before and after optimisation, employing 16S rDNA sequencing, bile acid-targeted metabolomics, and transcriptome analysis to elucidate the potential mechanism of water-soluble baicalin; and the key genes and proteins implicated in this mechanism were verified through RT-PCR and western blotting. RESULTS A new form of baicalin present in the aqueous solution of S. baicalensis Georgi was isolated, and its structural characterisation showed that it was bound to magnesium ions (baicalin magnesium) and exhibited favorable water solubility. Baicalin magnesium offers enhanced therapeutic benefits over baicalin for UC treatment, which alleviated the inflammatory response and oxidative stress levels while improving intestinal mucosal damage. Further investigation of the mechanism revealed that baicalin magnesium could effectively regulate bile acid metabolism and maintain intestinal microecological balance in UC mice, and suppress the activation of the nuclear factor-kappa B and peroxisome proliferator-activated receptor α signalling pathways, thereby playing a therapeutic role. CONCLUSIONS Baicalin magnesium has good water solubility, which solves the bottleneck problem of water insolubility in the practical applications of baicalin. Moreover, baicalin magnesium exhibits therapeutic potential for UC significantly better than baicalin.
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Affiliation(s)
- Lin Zhang
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Ceyu Miao
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Zhixuan Wang
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Xiulu Guan
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Yechao Ma
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Jingyu Song
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Shiyuan Shen
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China
| | - Hongru Song
- Hebei North University, Zhangjiakou 075000, PR China
| | - Mingqian Li
- Cancer Institute of Integrated Tradition Chinese and Western Medicine, Zhejiang Academy of Traditional Chinese Medicine, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310012, PR China.
| | - Cuizhe Liu
- Hebei Province Key Laboratory of Research and Development for Chinese Medicine, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde, Hebei 067000, PR China.
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Jung YS, Radhakrishnan K, Kim HJ, Kim YH, Lee CH, Choi HS. Macrophage stimulating protein is a novel transcriptional target of estrogen related receptor gamma in alcohol-intoxicated mice. Cell Signal 2024; 116:111059. [PMID: 38237793 DOI: 10.1016/j.cellsig.2024.111059] [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: 09/12/2023] [Revised: 12/27/2023] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
Macrophage stimulating protein (MSP) is a multifunctional serum protein produced in the liver, belonging to the plasminogen-related kringle protein family. It exerts diverse biological functions by activating a transmembrane receptor protein-tyrosine kinase known as RON in humans and SKT in mice. MSP plays a pivotal role in innate immunity and is involved in various activities such as cell survival, migration, and phagocytosis. Elucidating the regulatory mechanisms governing MSP gene expression is of great importance. In this study, we comprehensively elucidate the molecular mechanism underlying hepatic MSP gene expression in response to alcoholism. Exposure to ethanol specifically upregulated the expression of ERRγ and MSP in the liver, while not in other organs. Liver-specific knockout of the cannabinoid receptor type 1 (CB1R), an upstream regulator of ERRγ, inhibited the alcohol-induced upregulation of MSP expression. Overexpression of ERRγ alone was sufficient to enhance MSP expression in hepatic cell lines and in mice. Conversely, knockdown of ERRγ in cell lines or liver-specific knockout of ERRγ in mice reversed ethanol-induced MSP gene expression. Promoter studies revealed the direct binding of ERRγ to the MSP gene promoter at the ERR response element (ERRE), resulting in the positive regulation of MSP gene expression in response to alcohol. This finding was further supported by ERRE-mutated MSP-luciferase reporter assays. Notably, treatment with GSK5182, an ERRγ-specific inverse agonist, significantly suppressed alcohol-induced hepatic MSP expression. Collectively, we exposed a novel mechanistic understanding of how alcohol-induced ERRγ controls the transcriptional regulation of MSP gene expression in the liver.
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Affiliation(s)
- Yoon Seok Jung
- Host-Directed Antiviral Research Center, School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Kamalakannan Radhakrishnan
- Host-Directed Antiviral Research Center, School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Hyo-Jin Kim
- Host-Directed Antiviral Research Center, School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Yong-Hoon Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea; Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Chul-Ho Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea; Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Hueng-Sik Choi
- Host-Directed Antiviral Research Center, School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Republic of Korea.
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Lee KG, Hong BK, Lee S, Lee N, Kim SW, Kim D, Kim WU. Nuclear receptor coactivator 6 is a critical regulator of NLRP3 inflammasome activation and gouty arthritis. Cell Mol Immunol 2024; 21:227-244. [PMID: 38195836 PMCID: PMC10902316 DOI: 10.1038/s41423-023-01121-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 11/30/2023] [Indexed: 01/11/2024] Open
Abstract
Transcriptional coactivators regulate the rate of gene expression in the nucleus. Nuclear receptor coactivator 6 (NCOA6), a coactivator, has been implicated in embryonic development, metabolism, and cancer pathogenesis, but its role in innate immunity and inflammatory diseases remains unclear. Here, we demonstrated that NCOA6 was expressed in monocytes and macrophages and that its level was increased under proinflammatory conditions. Unexpectedly, nuclear NCOA6 was found to translocate to the cytoplasm in activated monocytes and then become incorporated into the inflammasome with NLRP3 and ASC, forming cytoplasmic specks. Mechanistically, NCOA6 associated with the ATP hydrolysis motifs in the NACHT domain of NLRP3, promoting the oligomerization of NLRP3 and ASC and thereby instigating the production of IL-1β and active caspase-1. Of note, Ncoa6 deficiency markedly inhibited NLRP3 hyperactivation caused by the Nlrp3R258W gain-of-function mutation in macrophages. Genetic ablation of Ncoa6 substantially attenuated the severity of two NLRP3-dependent diseases, folic-induced acute tubular necrosis and crystal-induced arthritis, in mice. Consistent with these findings, NCOA6 was highly expressed in macrophages derived from gout patients, and NCOA6-positive macrophages were significantly enriched in gout macrophages according to the transcriptome profiling results. Conclusively, NCOA6 is a critical regulator of NLRP3 inflammasome activation and is therefore a promising target for NLRP3-dependent diseases, including gout.
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Affiliation(s)
- Kang-Gu Lee
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, 06591, Republic of Korea
- Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Bong-Ki Hong
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Saseong Lee
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Naeun Lee
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, 06591, Republic of Korea
| | - Seung-Whan Kim
- Department of Pharmacology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
- Bio-Medical Institute of Technology, University of Ulsan, Seoul, 05505, Republic of Korea
| | - Donghyun Kim
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Institute of Infectious Diseases, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Wan-Uk Kim
- Center for Integrative Rheumatoid Transcriptomics and Dynamics, The Catholic University of Korea, Seoul, 06591, Republic of Korea.
- Department of Biomedicine & Health Sciences, The Catholic University of Korea, Seoul, 06591, Republic of Korea.
- Division of Rheumatology, Department of Internal Medicine, The Catholic University of Korea, Seoul, 06591, Republic of Korea.
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Li Z, Wang B, Tian L, Zheng B, Zhao X, Liu R. Methane-Rich Saline Suppresses ER-Mitochondria Contact and Activation of the NLRP3 Inflammasome by Regulating the PERK Signaling Pathway to Ameliorate Intestinal Ischemia‒Reperfusion Injury. Inflammation 2024; 47:376-389. [PMID: 37898993 PMCID: PMC10799159 DOI: 10.1007/s10753-023-01916-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/19/2023] [Accepted: 10/08/2023] [Indexed: 10/31/2023]
Abstract
Intestinal ischemia‒reperfusion (I/R) injury is a common pathological process in patients undergoing gastrointestinal surgery, leading to local intestinal damage and increased microvascular permeability, eventually causing extraintestinal multiple organ dysfunction or sepsis. The NLRP3-mediated inflammatory response is associated with I/R injury. Methane saline (MS) has anti-pyroptosis properties. This study aims to explore the protective effect of MS on intestinal I/R injury and its potential mechanisms. After MS pretreatment, the in vivo model was established by temporarily clipping the mouse superior mesentery artery with a noninvasive vascular clamp, and the in vitro model was established by OGD/R on Caco-2 cells. The results of HE and TUNEL staining showed intestinal barrier damage after I/R injury, which was consistent with the IHC staining results of tight junction proteins. Moreover, the expression of the NLRP3 signaling pathway was increased after I/R injury, and inhibition of NLRP3 activation reduced Caco-2 cell injury, indicating that NLRP3-mediated pyroptosis was one of the main forms of cell death after I/R injury. Subsequently, we found that MS treatment ameliorated intestinal barrier function after I/R injury by suppressing NLRP3-mediated pyroptosis. MS treatment also reduced mitochondria-associated membrane (MAM) formation, which was considered to be a platform for activation of the NLRP3 inflammasome. Importantly, MS reduced ER stress, which was related to the PERK signaling pathway. Knocking down PERK, a key protein involved in ER stress and MAM formation, reversed the protective effect of MS, indicating that MS suppressed NLRP3 by reducing ER stress and MAM formation. In conclusion, we believe that MS suppresses MAMs and activation of the NLRP3 inflammasome by regulating the PERK signaling pathway to ameliorate intestinal I/R injury.
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Affiliation(s)
- Zeyu Li
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China.
| | - Ben Wang
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China
| | - Lifei Tian
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China
| | - Bobo Zheng
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China
| | - Xu Zhao
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China
| | - Ruiting Liu
- Department of General Surgery, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, 710068, People's Republic of China
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Xu F, Tian Z, Wang Z. Cilostazol protects against degenerative cervical myelopathy injury and cell pyroptosis via TXNIP-NLRP3 pathway. Cell Div 2024; 19:2. [PMID: 38233884 DOI: 10.1186/s13008-024-00108-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 01/11/2024] [Indexed: 01/19/2024] Open
Abstract
Degenerative cervical myelopathy (DCM) is one of the most common and serious neurological diseases. Cilostazol has protective effects of anterior horn motor neurons and prevented the cell apoptosis. However, there was no literatures of Cilostazol on DCM. In this study, we established the DCM rat model to detect the effects of Cilostazol. Meanwhile, the neurobehavioral assessments, histopathology changes, inflammatory cytokines, Thioredoxin-interacting protein (TXNIP), NOD‑like receptor pyrin domain containing 3 (NLRP3) and pro-caspase-1 expressions were detected by Basso, Beattie, and Bresnahan score assessment, Hematoxylin and Eosin Staining, Enzyme-linked immunosorbent assay, immunofluorescence and Western blotting, respectively. After treated with Cilostazol, the Basso, Beattie, and Bresnahan (BBB) score, inclined plane test and forelimb grip strength in DCM rats were significantly increased meanwhile the histopathology injury and inflammatory cytokines were decreased. Additionally, TXNIP, NLRP3 and pro-caspase-1 expressions levels were decreased in Cilostazol treated DCM rats. Interestingly, the using of siTXNIP significantly changed inflammatory cytokines, TXNIP, NLRP3 and pro-caspase-1 expressions, however there was no significance between siTXNIP and Cilostazol + siTXNIP group. These observations showed that Cilostazol rescues DCM injury and ameliorates neuronal destruction mediated by TXNIP/NLRP3/caspase-1 and pro-inflammatory cytokines. As a result of our study, these findings provide further evidence that Cilostazol may represent promising therapeutic candidates for DCM.
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Affiliation(s)
- Fei Xu
- Department of Neck-Shoulder and Lumbocrural Pain, Yantai hospital of traditional Chinese medicine, 39 Xingfu Road, Zhifu District, Yantai, 264000, Shandong, P.R. China
| | - Zhuo Tian
- Department of General Surgery, Yantai hospital of traditional Chinese medicine, Yantai, Shandong, China
| | - Zhengguang Wang
- Department of Neck-Shoulder and Lumbocrural Pain, Yantai hospital of traditional Chinese medicine, 39 Xingfu Road, Zhifu District, Yantai, 264000, Shandong, P.R. China.
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8
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Zheng Q, Hua C, Liang Q, Cheng H. The NLRP3 inflammasome in viral infection (Review). Mol Med Rep 2023; 28:160. [PMID: 37417336 PMCID: PMC10407610 DOI: 10.3892/mmr.2023.13047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 06/20/2023] [Indexed: 07/08/2023] Open
Abstract
The interplay between pathogen and host determines the immune response during viral infection. The Nod‑like receptor (NLR) protein 3 inflammasome is a multiprotein complex that induces the activation of inflammatory caspases and the release of IL‑1β, which play an important role in the innate immune responses. In the present review, the mechanisms of the NLR family pyrin domain containing 3 inflammasome activation and its dysregulation in viral infection were addressed.
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Affiliation(s)
- Qiaoli Zheng
- Department of Dermatology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Chunting Hua
- Department of Dermatology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Qichang Liang
- Department of Dermatology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Hao Cheng
- Department of Dermatology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
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9
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Gamage HEV, Shahoei SH, Albright ST, Wang Y, Smith AJ, Farmer R, Fink EC, Jacquin E, Weisser E, Bautista RO, Henn MA, Schane CP, Nelczyk AT, Ma L, Gupta AD, Bendre SV, Nguyen T, Tiwari S, Krawczynska N, He S, Tjoanda E, Chen H, Sverdlov M, Gann PH, Boidot R, Vegran F, Fanning SW, Apetoh L, Hergenrother PJ, Nelson ER. Re-education of myeloid immune cells to reduce regulatory T cell expansion and impede breast cancer progression. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.14.553229. [PMID: 37645737 PMCID: PMC10462080 DOI: 10.1101/2023.08.14.553229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Immune checkpoint blockade (ICB) has revolutionized cancer therapy but has had limited utility in several solid tumors such as breast cancer, a major cause of cancer-related mortality in women. Therefore, there is considerable interest in alternate strategies to promote an anti-cancer immune response. We demonstrate that NR0B2, a protein involved in cholesterol homeostasis, functions within myeloid immune cells to modulate the NLRP3 inflammasome and reduce the expansion of immune-suppressive regulatory T cells (Treg). Loss of NR0B2 increased mammary tumor growth and metastasis. Small molecule agonists, including one developed here, reduced Treg expansion, reduced metastatic growth and improved the efficacy of ICB. This work identifies NR0B2 as a target to re-educate myeloid immune cells providing proof-of-principle that this cholesterol-homeostasis axis may have utility in enhancing ICB.
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Affiliation(s)
- Hashni Epa Vidana Gamage
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sayyed Hamed Shahoei
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Samuel T. Albright
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Yu Wang
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Amanda J. Smith
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rachel Farmer
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Emma C. Fink
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | | | - Erin Weisser
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Rafael O. Bautista
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Madeline A. Henn
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Claire P. Schane
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Adam T. Nelczyk
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Liqian Ma
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Anasuya Das Gupta
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Shruti V. Bendre
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Tiffany Nguyen
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Srishti Tiwari
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Natalia Krawczynska
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Sisi He
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Evelyn Tjoanda
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Hong Chen
- Food Science & Human Nutrition, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Maria Sverdlov
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA
| | - Peter H. Gann
- Research Histology and Tissue Imaging Core, University of Illinois at Chicago, Illinois, USA
- Department of Pathology, University of Illinois at Chicago, Illinois, USA
| | - Romain Boidot
- Unit of Molecular Biology, Department of Biology and Pathology of Tumors, Georges-Francois Leclerc cancer Center, Dijon, France, and ICMUB UMR CNRS 6302, Dijon, France
| | | | - Sean W. Fanning
- Department of Cancer Biology, Loyola University Chicago Health Sciences Campus, Illinois, USA
| | | | - Paul J. Hergenrother
- Department of Chemistry, University of Illinois at Urbana-Champaign, Illinois, USA
- Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA
- Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA
| | - Erik R. Nelson
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Illinois, USA
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois, USA
- Carl R. Woese Institute for Genomic Biology- Anticancer Discovery from Pets to People, University of Illinois at Urbana-Champaign, Illinois, USA
- Cancer Center at Illinois, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, University of Illinois at Urbana-Champaign, Illinois, USA
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10
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Cheung KCP, Ma J, Loiola RA, Chen X, Jia W. Bile acid-activated receptors in innate and adaptive immunity: targeted drugs and biological agents. Eur J Immunol 2023; 53:e2250299. [PMID: 37172599 DOI: 10.1002/eji.202250299] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/10/2023] [Accepted: 05/11/2023] [Indexed: 05/15/2023]
Abstract
Bile acid-activated receptors (BARs) such as a G-protein bile acid receptor 1 and the farnesol X receptor are activated by bile acids (BAs) and have been implicated in the regulation of microbiota-host immunity in the intestine. The mechanistic roles of these receptors in immune signaling suggest that they may also influence the development of metabolic disorders. In this perspective, we provide a summary of recent literature describing the main regulatory pathways and mechanisms of BARs and how they affect both innate and adaptive immune system, cell proliferation, and signaling in the context of inflammatory diseases. We also discuss new approaches for therapy and summarize clinical projects on BAs for the treatment of diseases. In parallel, some drugs that are classically used for other therapeutic purposes and BAR activity have recently been proposed as regulators of immune cells phenotype. Another strategy consists of using specific strains of gut bacteria to regulate BA production in the intestine.
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Affiliation(s)
- Kenneth C P Cheung
- Hong Kong Phenome Research Center, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Jiao Ma
- Hong Kong Phenome Research Center, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | | | - Xingxuan Chen
- Hong Kong Phenome Research Center, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Wei Jia
- Hong Kong Phenome Research Center, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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11
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Baik SH, Ramanujan VK, Becker C, Fett S, Underhill DM, Wolf AJ. Hexokinase dissociation from mitochondria promotes oligomerization of VDAC that facilitates NLRP3 inflammasome assembly and activation. Sci Immunol 2023; 8:eade7652. [PMID: 37327321 PMCID: PMC10360408 DOI: 10.1126/sciimmunol.ade7652] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 05/25/2023] [Indexed: 06/18/2023]
Abstract
NLRP3 inflammasome activation is a highly regulated process for controlling secretion of the potent inflammatory cytokines IL-1β and IL-18 that are essential during bacterial infection, sterile inflammation, and disease, including colitis, diabetes, Alzheimer's disease, and atherosclerosis. Diverse stimuli activate the NLRP3 inflammasome, and unifying upstream signals has been challenging to identify. Here, we report that a common upstream step in NLRP3 inflammasome activation is the dissociation of the glycolytic enzyme hexokinase 2 from the voltage-dependent anion channel (VDAC) in the outer membrane of mitochondria. Hexokinase 2 dissociation from VDAC triggers activation of inositol triphosphate receptors, leading to release of calcium from the ER, which is taken up by mitochondria. This influx of calcium into mitochondria leads to oligomerization of VDAC, which is known to form a macromolecule-sized pore in the outer membranes of mitochondria that allows proteins and mitochondrial DNA (mtDNA), often associated with apoptosis and inflammation, respectively, to exit the mitochondria. We observe that VDAC oligomers aggregate with NLRP3 during initial assembly of the multiprotein oligomeric NLRP3 inflammasome complex. We also find that mtDNA is necessary for NLRP3 association with VDAC oligomers. These data, together with other recent work, help to paint a more complete picture of the pathway leading to NLRP3 inflammasome activation.
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Affiliation(s)
- Sung Hoon Baik
- F. Widjaja Foundation Inflammatory Bowel & Immunobiology Research Institute, and the Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
| | | | - Courtney Becker
- F. Widjaja Foundation Inflammatory Bowel & Immunobiology Research Institute, and the Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
| | - Sarah Fett
- F. Widjaja Foundation Inflammatory Bowel & Immunobiology Research Institute, and the Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
| | - David M. Underhill
- F. Widjaja Foundation Inflammatory Bowel & Immunobiology Research Institute, and the Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
- Department of Biomedical Sciences, Research Division of Immunology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
| | - Andrea J. Wolf
- F. Widjaja Foundation Inflammatory Bowel & Immunobiology Research Institute, and the Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
- Department of Biomedical Sciences, Research Division of Immunology, Cedars-Sinai Medical Center; Los Angeles, CA, 90048, USA
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12
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Su X, Gao Y, Yang R. Gut microbiota derived bile acid metabolites maintain the homeostasis of gut and systemic immunity. Front Immunol 2023; 14:1127743. [PMID: 37256134 PMCID: PMC10225537 DOI: 10.3389/fimmu.2023.1127743] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 03/07/2023] [Indexed: 06/01/2023] Open
Abstract
Bile acids (BAs) as cholesterol-derived molecules play an essential role in some physiological processes such as nutrient absorption, glucose homeostasis and regulation of energy expenditure. They are synthesized in the liver as primary BAs such as cholic acid (CA), chenodeoxycholic acid (CDCA) and conjugated forms. A variety of secondary BAs such as deoxycholic acid (DCA) and lithocholic acid (LCA) and their derivatives is synthesized in the intestine through the involvement of various microorganisms. In addition to essential physiological functions, BAs and their metabolites are also involved in the differentiation and functions of innate and adaptive immune cells such as macrophages (Macs), dendritic cells (DCs), myeloid derived suppressive cells (MDSCs), regulatory T cells (Treg), Breg cells, T helper (Th)17 cells, CD4 Th1 and Th2 cells, CD8 cells, B cells and NKT cells. Dysregulation of the BAs and their metabolites also affects development of some diseases such as inflammatory bowel diseases. We here summarize recent advances in how BAs and their metabolites maintain gut and systemic homeostasis, including the metabolism of the BAs and their derivatives, the role of BAs and their metabolites in the differentiation and function of immune cells, and the effects of BAs and their metabolites on immune-associated disorders.
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Affiliation(s)
- Xiaomin Su
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
| | - Yunhuan Gao
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
| | - Rongcun Yang
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin, China
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin, China
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13
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Yntema T, Koonen DPY, Kuipers F. Emerging Roles of Gut Microbial Modulation of Bile Acid Composition in the Etiology of Cardiovascular Diseases. Nutrients 2023; 15:nu15081850. [PMID: 37111068 PMCID: PMC10141989 DOI: 10.3390/nu15081850] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/04/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Despite advances in preventive measures and treatment options, cardiovascular disease (CVD) remains the number one cause of death globally. Recent research has challenged the traditional risk factor profile and highlights the potential contribution of non-traditional factors in CVD, such as the gut microbiota and its metabolites. Disturbances in the gut microbiota have been repeatedly associated with CVD, including atherosclerosis and hypertension. Mechanistic studies support a causal role of microbiota-derived metabolites in disease development, such as short-chain fatty acids, trimethylamine-N-oxide, and bile acids, with the latter being elaborately discussed in this review. Bile acids represent a class of cholesterol derivatives that is essential for intestinal absorption of lipids and fat-soluble vitamins, plays an important role in cholesterol turnover and, as more recently discovered, acts as a group of signaling molecules that exerts hormonal functions throughout the body. Studies have shown mediating roles of bile acids in the control of lipid metabolism, immunity, and heart function. Consequently, a picture has emerged of bile acids acting as integrators and modulators of cardiometabolic pathways, highlighting their potential as therapeutic targets in CVD. In this review, we provide an overview of alterations in the gut microbiota and bile acid metabolism found in CVD patients, describe the molecular mechanisms through which bile acids may modulate CVD risk, and discuss potential bile-acid-based treatment strategies in relation to CVD.
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Affiliation(s)
- Tess Yntema
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Debby P Y Koonen
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
| | - Folkert Kuipers
- Department of Pediatrics, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
- European Research Institute for the Biology of Ageing (ERIBA), University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
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14
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Wang J, Zhu N, Su X, Gao Y, Yang R. Gut-Microbiota-Derived Metabolites Maintain Gut and Systemic Immune Homeostasis. Cells 2023; 12:cells12050793. [PMID: 36899929 PMCID: PMC10000530 DOI: 10.3390/cells12050793] [Citation(s) in RCA: 38] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
The gut microbiota, including bacteria, archaea, fungi, viruses and phages, inhabits the gastrointestinal tract. This commensal microbiota can contribute to the regulation of host immune response and homeostasis. Alterations of the gut microbiota have been found in many immune-related diseases. The metabolites generated by specific microorganisms in the gut microbiota, such as short-chain fatty acids (SCFAs), tryptophan (Trp) and bile acid (BA) metabolites, not only affect genetic and epigenetic regulation but also impact metabolism in the immune cells, including immunosuppressive and inflammatory cells. The immunosuppressive cells (such as tolerogenic macrophages (tMacs), tolerogenic dendritic cells (tDCs), myeloid-derived suppressive cells (MDSCs), regulatory T cells (Tregs), regulatory B cells (Breg) and innate lymphocytes (ILCs)) and inflammatory cells (such as inflammatory Macs (iMacs), DCs, CD4 T helper (Th)1, CD4Th2, Th17, natural killer (NK) T cells, NK cells and neutrophils) can express different receptors for SCFAs, Trp and BA metabolites from different microorganisms. Activation of these receptors not only promotes the differentiation and function of immunosuppressive cells but also inhibits inflammatory cells, causing the reprogramming of the local and systemic immune system to maintain the homeostasis of the individuals. We here will summarize the recent advances in understanding the metabolism of SCFAs, Trp and BA in the gut microbiota and the effects of SCFAs, Trp and BA metabolites on gut and systemic immune homeostasis, especially on the differentiation and functions of the immune cells.
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Affiliation(s)
- Juanjuan Wang
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin 300071, China
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Ningning Zhu
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin 300071, China
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Xiaomin Su
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin 300071, China
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Yunhuan Gao
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin 300071, China
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
| | - Rongcun Yang
- Department of Immunology, Nankai University School of Medicine, Nankai University, Tianjin 300071, China
- Translational Medicine Institute, Affiliated Tianjin Union Medical Center of Nankai University, Nankai University, Tianjin 300071, China
- State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin 300071, China
- Correspondence:
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15
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Larabi AB, Masson HLP, Bäumler AJ. Bile acids as modulators of gut microbiota composition and function. Gut Microbes 2023; 15:2172671. [PMID: 36740850 PMCID: PMC9904317 DOI: 10.1080/19490976.2023.2172671] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 01/16/2023] [Indexed: 02/07/2023] Open
Abstract
Changes in the composition of gut-associated microbial communities are associated with many human illnesses, but the factors driving dysbiosis remain incompletely understood. One factor governing the microbiota composition in the gut is bile. Bile acids shape the microbiota composition through their antimicrobial activity and by activating host signaling pathways that maintain gut homeostasis. Although bile acids are host-derived, their functions are integrally linked to bacterial metabolism, which shapes the composition of the intestinal bile acid pool. Conditions that change the size or composition of the bile acid pool can trigger alterations in the microbiota composition that exacerbate inflammation or favor infection with opportunistic pathogens. Therefore, manipulating the composition or size of the bile acid pool might be a promising strategy to remediate dysbiosis.
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Affiliation(s)
- Anaïs B. Larabi
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, Davis, CA, USA
| | - Hugo L. P. Masson
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, Davis, CA, USA
| | - Andreas J. Bäumler
- Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, Davis, CA, USA
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16
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Shi T, Malik A, Yang vom Hofe A, Matuschek L, Mullen M, Lages CS, Kudira R, Singh R, Zhang W, Setchell KD, Hildeman D, Pasare C, Wagner B, Miethke AG. Farnesoid X receptor antagonizes macrophage-dependent licensing of effector T lymphocytes and progression of sclerosing cholangitis. Sci Transl Med 2022; 14:eabi4354. [PMID: 36516265 PMCID: PMC9999117 DOI: 10.1126/scitranslmed.abi4354] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Immune-mediated bile duct epithelial injury and toxicity of retained hydrophobic bile acids drive disease progression in fibrosing cholangiopathies such as biliary atresia or primary sclerosing cholangitis. Emerging therapies include pharmacological agonists to farnesoid X receptor (FXR), the master regulator of hepatic synthesis, excretion, and intestinal reuptake of bile acids. Unraveling the mechanisms of action of pharmacological FXR agonists in the treatment of sclerosing cholangitis (SC), we found that intestinally restricted FXR activation effectively reduced bile acid pool size but did not improve the SC phenotype in MDR2-/- mice. In contrast, systemic FXR activation not only lowered bile acid synthesis but also suppressed proinflammatory cytokine production by liver-infiltrating inflammatory cells and blocked progression of hepatobiliary injury. The hepatoprotective activity was linked to suppressed production of IL1β and TNFα by hepatic macrophages and inhibition of TH1/TH17 lymphocyte polarization. Deletion of FXR in myeloid cells caused aberrant TH1 and TH17 lymphocyte responses in diethoxycarbonyl-1,4-dihydrocollidine-induced SC and rendered these mice resistant to the anti-inflammatory and liver protective effects of systemic FXR agonist treatment. Pharmacological FXR activation reduced IL1β and IFNγ production by liver- and blood-derived mononuclear cells from patients with fibrosing cholangiopathies. In conclusion, we demonstrate FXR to control the macrophage-TH1/17 axis, which is critically important for the progression of SC. Hepatic macrophages are cellular targets of systemic FXR agonist therapy for cholestatic liver disease.
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Affiliation(s)
- Tiffany Shi
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Astha Malik
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Annika Yang vom Hofe
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Louis Matuschek
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Mary Mullen
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Celine S. Lages
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Ramesh Kudira
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Ruchi Singh
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Wujuan Zhang
- Department of Pathology and Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Kenneth D.R. Setchell
- Department of Pathology and Laboratory Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - David Hildeman
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Chandrashekhar Pasare
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | | | - Alexander G. Miethke
- Division of Gastroenterology, Hepatology, and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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17
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Liu SY, Huang CC, Yang YY, Huang SF, Lee TY, Li TH, Hou MC, Lin HC. Obeticholic acid treatment ameliorates the cardiac dysfunction in NASH mice. PLoS One 2022; 17:e0276717. [PMID: 36490253 PMCID: PMC9733885 DOI: 10.1371/journal.pone.0276717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 10/11/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Suppression of cardiac iinflammasome, which can be inhibited by Farnesoid X receptor (FXR) agonist, can ameliorate cardiac inflammation and fibrosis. Increased cardiac inflammasome decrease the abundance of regulatory T (Treg) cells and exacerbate cardiac dysfunction. Interaction between cardiomyocytes and Treg cells is involved in the development of nonalcoholic steatohepatitis (NASH)-related cardiac dysfunction. AIMS This study evaluates whether the FXR agonist obeticholic acid (OCA) treatment improves NASH-associated cardiac dysfunction. METHODS The in vivo and in vitro mechanisms and effects of two weeks of OCA treatment on inflammasome and Treg dysregulation-related cardiac dysfunction in NASH mice (NASH-OCA) at systemic, tissue and cellular levels were investigated. RESULTS The OCA treatment suppressed the serum and cardiac inflammasome levels, reduced the cardiac infiltrated CD3+ T cells, increased the cardiac Treg-represented anti-inflammatory cytokines (IL-10/IL-10R) and improved cardiac inflammation, fibrosis and function [decreased left ventricle (LV) mass and increased fractional shortening (FS)] in NASH-OCA mice. The percentages of OCA-decreased cardiac fibrosis and OCA-increased FS were positively correlated with the percentage of OCA-increased levels of cardiac FXR and IL-10/IL-10R. In the Treg cells from NASH-OCA mice spleen, in comparison with the Treg cells of the NASH group, higher intracellular FXR but lower inflammasome levels, and more proliferative/active and less apoptotic cells were observed. Incubation of H9c2 cardiomyoblasts with Treg-NASHcm [supernatant of Treg from NASH mice as condition medium (cm)], increased inflammasome levels, decreased the proliferative/active cells, suppressed the intracellular FXR, and downregulated differentiation/contraction marker. The Treg-NASHcm-induced hypocontractility of H9c2 can be attenuated by co-incubation with OCA, and the OCA-related effects were abolished by siIL-10R pretreatment. CONCLUSIONS Chronic FXR activation with OCA is a potential strategy for activating IL-10/IL-10R signalling, reversing cardiac regulatory T cell dysfunction, and improving inflammasome-mediated NASH-related cardiac dysfunction.
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Affiliation(s)
- Szu-Yu Liu
- Department of Medical Education, Clinical Innovation Center, Medical Innovation and Research Office, Taipei Veterans General Hospital, Taipei, Taiwan,Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Chia-Chang Huang
- Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,Faculty of Medicine, Institute of Clinical Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Ying-Ying Yang
- Department of Medical Education, Clinical Innovation Center, Medical Innovation and Research Office, Taipei Veterans General Hospital, Taipei, Taiwan,Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,* E-mail: (Y-YY); (H-CL)
| | - Shiang-Fen Huang
- Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,Taipei Veterans General Hospital, Taipei, Taiwan
| | - Tzung-Yan Lee
- Graduate Institute of Traditional Chinese Medicine, Chang Guang Memorial Hospital, Linkou, Taiwan
| | - Tzu-Hao Li
- Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,Faculty of Medicine, Institute of Clinical Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Shin Kong Wu Ho-Su Memorial Foundation, Taipei, Taiwan
| | - Ming-Chih Hou
- Faculty of Medicine, School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan,Taipei Veterans General Hospital, Taipei, Taiwan
| | - Han-Chieh Lin
- Taipei Veterans General Hospital, Taipei, Taiwan,* E-mail: (Y-YY); (H-CL)
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18
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Huang W, Jiao S, Chen S, Chen Y, Yang Z, Wang W, Cao Z, Li Z, Zhang L. Design, synthesis, and biological studies of dual URAT1 inhibitor and FXR agonist based on benzbromarone. Bioorg Med Chem 2022; 75:117073. [PMID: 36347120 DOI: 10.1016/j.bmc.2022.117073] [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: 08/23/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
With increased unhealthy dietary patterns and a sedentary lifestyle, the prevalence of hyperuricemia is growing rapidly, placing a tremendous burden on the public health system. Persistent hyperuricemia in extreme cases induces gout, gouty arthritis, and other metabolic diseases. Benzbromarone is a potent human urate transporter 1 (URAT1) inhibitor that is widely used as a uric acid-lowering drug. Recent studies indicated that benzbromarone can also activate farnesoid X receptor (FXR), whereas its agonistic activity on FXR is rather poor. Mounting evidence suggested that the etiology of gout is directly related to NOD-like receptor thermal protein domain associated protein 3 (NLRP3) inflammasomes, and FXR suppresses the expression of NLRP3 in various ways. Therefore, the dual URAT1 inhibitor and FXR agonist may exert synergistic effects on decreasing uric acid (UA) levels and inhibiting inflammation. To obtain a better dual URAT1 inhibitor and FXR agonist, we performed the structure-based drug design (SBDD) strategy to improve the FXR activation of benzbromarone by forming strong interactions with ARG331 in FXR binding pocket. All of these efforts lead to the identification of compound 4, which exerts better activity on FXR and uric acid-lowering effect than benzbromarone.
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Affiliation(s)
- Wanqiu Huang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinic Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Shixuan Jiao
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinic Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Siliang Chen
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Ya Chen
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Zhongcheng Yang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Wenxin Wang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Zhijun Cao
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinic Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Zheng Li
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Specialty of Clinic Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China
| | - Luyong Zhang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Key Laboratory of New Drug Discovery and Evaluation of the Guangdong Provincial Education Department, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Guangdong Pharmaceutical University, Guangzhou 510006, PR China; Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing 210009, PR China
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19
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Zhou M, Wang D, Li X, Cao Y, Yi C, Wiredu Ocansey DK, Zhou Y, Mao F. Farnesoid-X receptor as a therapeutic target for inflammatory bowel disease and colorectal cancer. Front Pharmacol 2022; 13:1016836. [PMID: 36278234 PMCID: PMC9583386 DOI: 10.3389/fphar.2022.1016836] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/20/2022] [Indexed: 12/09/2022] Open
Abstract
Farnesoid-X receptor (FXR), as a nuclear receptor activated by bile acids, is a vital molecule involved in bile acid metabolism. Due to its expression in immune cells, FXR has a significant effect on the function of immune cells and the release of chemokines when immune cells sense changes in bile acids. In addition to its regulation by ligands, FXR is also controlled by post-translational modification (PTM) activities such as acetylation, SUMOylation, and methylation. Due to the high expression of FXR in the liver and intestine, it significantly influences intestinal homeostasis under the action of enterohepatic circulation. Thus, FXR protects the intestinal barrier, resists bacterial infection, reduces oxidative stress, inhibits inflammatory reactions, and also acts as a tumor suppressor to impair the multiplication and invasion of tumor cells. These potentials provide new perspectives on the treatment of intestinal conditions, including inflammatory bowel disease (IBD) and its associated colorectal cancer (CRC). Moreover, FXR agonists on the market have certain organizational heterogeneity and may be used in combination with other drugs to achieve a greater therapeutic effect. This review summarizes current data on the role of FXR in bile acid metabolism, regulation of immune cells, and effects of the PTM of FXR. The functions of FXR in intestinal homeostasis and potential application in the treatment of IBD and CRC are discussed.
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Affiliation(s)
- Mengjiao Zhou
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Danfeng Wang
- Nanjing Jiangning Hospital, Nanjing, Jiangsu, China
| | - Xiang Li
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Ying Cao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Chengxue Yi
- School of Medical Technology, Zhenjiang College, Zhenjiang, Jiangsu, China
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
- Directorate of University Health Services, University of Cape Coast, Cape Coast, Ghana
| | - Yuling Zhou
- Nanjing Jiangning Hospital, Nanjing, Jiangsu, China
- *Correspondence: Yuling Zhou, ; Fei Mao,
| | - Fei Mao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu, China
- *Correspondence: Yuling Zhou, ; Fei Mao,
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20
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Bertolini A, Fiorotto R, Strazzabosco M. Bile acids and their receptors: modulators and therapeutic targets in liver inflammation. Semin Immunopathol 2022; 44:547-564. [PMID: 35415765 PMCID: PMC9256560 DOI: 10.1007/s00281-022-00935-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/25/2022] [Indexed: 12/11/2022]
Abstract
Bile acids participate in the intestinal emulsion, digestion, and absorption of lipids and fat-soluble vitamins. When present in high concentrations, as in cholestatic liver diseases, bile acids can damage cells and cause inflammation. After the discovery of bile acids receptors about two decades ago, bile acids are considered signaling molecules. Besides regulating bile acid, xenobiotic, and nutrient metabolism, bile acids and their receptors have shown immunomodulatory properties and have been proposed as therapeutic targets for inflammatory diseases of the liver. This review focuses on bile acid-related signaling pathways that affect inflammation in the liver and provides an overview of the preclinical and clinical applications of modulators of these pathways for the treatment of cholestatic and autoimmune liver diseases.
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Affiliation(s)
- Anna Bertolini
- Section of Digestive Diseases, Yale Liver Center, Yale School of Medicine, PO Box 208019, New Haven, CT, 06520-8019, USA
- Department of Pediatrics, Section of Molecular Metabolism and Nutrition, University Medical Center Groningen, Groningen, The Netherlands
| | - Romina Fiorotto
- Section of Digestive Diseases, Yale Liver Center, Yale School of Medicine, PO Box 208019, New Haven, CT, 06520-8019, USA
| | - Mario Strazzabosco
- Section of Digestive Diseases, Yale Liver Center, Yale School of Medicine, PO Box 208019, New Haven, CT, 06520-8019, USA.
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21
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Fiorucci S, Zampella A, Ricci P, Distrutti E, Biagioli M. Immunomodulatory functions of FXR. Mol Cell Endocrinol 2022; 551:111650. [PMID: 35472625 DOI: 10.1016/j.mce.2022.111650] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/31/2022] [Accepted: 04/04/2022] [Indexed: 02/08/2023]
Abstract
The Farnesoid-x-receptor (FXR) is a bile acids sensor activated in humans by primary bile acids. FXR is mostly expressed in liver, intestine and adrenal glands but also by cells of innate immunity, including macrophages, liver resident macrophages, the Kupffer cells, natural killer cells and dendritic cells. In normal physiology and clinical disorders, cells of innate immunity mediate communications between liver, intestine and adipose tissues. In addition to FXR, the G protein coupled receptor (GPBAR1), that is mainly activated by secondary bile acids, whose expression largely overlaps FXR, modulates chemical communications from the intestinal microbiota and the host's immune system, integrating epithelial cells and immune cells in the entero-hepatic system, providing a mechanism for development of a tolerogenic state toward the intestinal microbiota. Disruption of FXR results in generalized inflammation and disrupted bile acids metabolism. While FXR agonism in preclinical models provides counter-regulatory signals that attenuate inflammation-driven immune dysfunction in a variety of liver and intestinal disease models, the clinical relevance of these mechanisms in the setting of FXR-related disorders remain poorly defined.
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Affiliation(s)
- Stefano Fiorucci
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy. http://www.gastroenterologia.unipg.it
| | - Angela Zampella
- University of Naples Federico II, Department of Pharmacy, Naples, Italy
| | - Patrizia Ricci
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | - Eleonora Distrutti
- SC di Gastroenterologia ed Epatologia, Azienda Ospedaliera di Perugia, Perugia, Italy
| | - Michele Biagioli
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
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22
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Zhao J, Wei K, Jiang P, Chang C, Xu L, Xu L, Shi Y, Guo S, Xue Y, He D. Inflammatory Response to Regulated Cell Death in Gout and Its Functional Implications. Front Immunol 2022; 13:888306. [PMID: 35464445 PMCID: PMC9020265 DOI: 10.3389/fimmu.2022.888306] [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: 03/02/2022] [Accepted: 03/17/2022] [Indexed: 02/03/2023] Open
Abstract
Gout, a chronic inflammatory arthritis disease, is characterized by hyperuricemia and caused by interactions between genetic, epigenetic, and metabolic factors. Acute gout symptoms are triggered by the inflammatory response to monosodium urate crystals, which is mediated by the innate immune system and immune cells (e.g., macrophages and neutrophils), the NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome activation, and pro-inflammatory cytokine (e.g., IL-1β) release. Recent studies have indicated that the multiple programmed cell death pathways involved in the inflammatory response include pyroptosis, NETosis, necroptosis, and apoptosis, which initiate inflammatory reactions. In this review, we explore the correlation and interactions among these factors and their roles in the pathogenesis of gout to provide future research directions and possibilities for identifying potential novel therapeutic targets and enhancing our understanding of gout pathogenesis.
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Affiliation(s)
- Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Kai Wei
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Ping Jiang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Cen Chang
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Lingxia Xu
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Linshuai Xu
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Yiming Shi
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States.,Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Yu Xue
- Department of Rheumatology, Huashan Hospital, Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China
| | - Dongyi He
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Arthritis Research in Integrative Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China.,Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China
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23
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Režen T, Rozman D, Kovács T, Kovács P, Sipos A, Bai P, Mikó E. The role of bile acids in carcinogenesis. Cell Mol Life Sci 2022; 79:243. [PMID: 35429253 PMCID: PMC9013344 DOI: 10.1007/s00018-022-04278-2] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/03/2022] [Accepted: 03/28/2022] [Indexed: 12/17/2022]
Abstract
AbstractBile acids are soluble derivatives of cholesterol produced in the liver that subsequently undergo bacterial transformation yielding a diverse array of metabolites. The bulk of bile acid synthesis takes place in the liver yielding primary bile acids; however, other tissues have also the capacity to generate bile acids (e.g. ovaries). Hepatic bile acids are then transported to bile and are subsequently released into the intestines. In the large intestine, a fraction of primary bile acids is converted to secondary bile acids by gut bacteria. The majority of the intestinal bile acids undergo reuptake and return to the liver. A small fraction of secondary and primary bile acids remains in the circulation and exert receptor-mediated and pure chemical effects (e.g. acidic bile in oesophageal cancer) on cancer cells. In this review, we assess how changes to bile acid biosynthesis, bile acid flux and local bile acid concentration modulate the behavior of different cancers. Here, we present in-depth the involvement of bile acids in oesophageal, gastric, hepatocellular, pancreatic, colorectal, breast, prostate, ovarian cancer. Previous studies often used bile acids in supraphysiological concentration, sometimes in concentrations 1000 times higher than the highest reported tissue or serum concentrations likely eliciting unspecific effects, a practice that we advocate against in this review. Furthermore, we show that, although bile acids were classically considered as pro-carcinogenic agents (e.g. oesophageal cancer), the dogma that switch, as lower concentrations of bile acids that correspond to their serum or tissue reference concentration possess anticancer activity in a subset of cancers. Differences in the response of cancers to bile acids lie in the differential expression of bile acid receptors between cancers (e.g. FXR vs. TGR5). UDCA, a bile acid that is sold as a generic medication against cholestasis or biliary surge, and its conjugates were identified with almost purely anticancer features suggesting a possibility for drug repurposing. Taken together, bile acids were considered as tumor inducers or tumor promoter molecules; nevertheless, in certain cancers, like breast cancer, bile acids in their reference concentrations may act as tumor suppressors suggesting a Janus-faced nature of bile acids in carcinogenesis.
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Affiliation(s)
- Tadeja Režen
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Damjana Rozman
- Centre for Functional Genomics and Bio-Chips, Institute of Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Tünde Kovács
- Department of Medical Chemistry, University of Debrecen, Egyetem tér 1., Debrecen, 4032, Hungary
- MTA-DE Lendület Laboratory of Cellular Metabolism, Debrecen, 4032, Hungary
| | - Patrik Kovács
- Department of Medical Chemistry, University of Debrecen, Egyetem tér 1., Debrecen, 4032, Hungary
| | - Adrienn Sipos
- Department of Medical Chemistry, University of Debrecen, Egyetem tér 1., Debrecen, 4032, Hungary
| | - Péter Bai
- Department of Medical Chemistry, University of Debrecen, Egyetem tér 1., Debrecen, 4032, Hungary
- MTA-DE Lendület Laboratory of Cellular Metabolism, Debrecen, 4032, Hungary
- Research Center for Molecular Medicine, Faculty of Medicine, University of Debrecen, Debrecen, 4032, Hungary
| | - Edit Mikó
- Department of Medical Chemistry, University of Debrecen, Egyetem tér 1., Debrecen, 4032, Hungary.
- MTA-DE Lendület Laboratory of Cellular Metabolism, Debrecen, 4032, Hungary.
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24
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Xu T, Yu W, Fang H, Wang Z, Chi Z, Guo X, Jiang D, Zhang K, Chen S, Li M, Guo Y, Zhang J, Yang D, Yu Q, Wang D, Zhang X. Ubiquitination of NLRP3 by gp78/Insig-1 restrains NLRP3 inflammasome activation. Cell Death Differ 2022; 29:1582-1595. [PMID: 35110683 PMCID: PMC9345978 DOI: 10.1038/s41418-022-00947-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 12/11/2022] Open
Abstract
The NLRP3 (NOD-, LRR- and pyrin domain-containing protein 3) inflammasome plays a pivotal role in defending the host against infection as well as sterile inflammation. Activation of the NLRP3 inflammasome is critically regulated by a de-ubiquitination mechanism, but little is known about how ubiquitination restrains NLRP3 activity. Here, we showed that the membrane-bound E3 ubiquitin ligase gp78 mediated mixed ubiquitination of NLRP3, which inhibited NLRP3 inflammasome activation by suppressing the oligomerization and subcellular translocation of NLRP3. In addition, the endoplasmic reticulum membrane protein insulin-induced gene 1 (Insig-1) was required for this gp78-NLRP3 interaction and gp78-mediated NLRP3 ubiquitination. gp78 or Insig-1 deficiency in myeloid cells led to exacerbated NLRP3 inflammasome-dependent inflammation in vivo, including lipopolysaccharide-induced systemic inflammation and alum-induced peritonitis. Taken together, our study identifies gp78-mediated NLRP3 ubiquitination as a regulatory mechanism that restrains inflammasome activation and highlights NLRP3 ubiquitination as a potential therapeutic target for inflammatory diseases.
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Affiliation(s)
- Ting Xu
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Weiwei Yu
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Hui Fang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Zhen Wang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Zhexu Chi
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Xingchen Guo
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, 430072, Wuhan, P.R. China
| | - Danlu Jiang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Kailian Zhang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Sheng Chen
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Mobai Li
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Yuxian Guo
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Jian Zhang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Dehang Yang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Qianzhou Yu
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China
| | - Di Wang
- Institute of Immunology and Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China. .,Liangzhu Laboratory, Zhejiang University Medical Center, 311121, Hangzhou, P.R. China.
| | - Xue Zhang
- Department of Pathology and Pathophysiology and Department of Respiratory Medicine at Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 310058, Hangzhou, P.R. China.
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25
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Mito-TIPTP Increases Mitochondrial Function by Repressing the Rubicon-p22phox Interaction in Colitis-Induced Mice. Antioxidants (Basel) 2021; 10:antiox10121954. [PMID: 34943057 PMCID: PMC8750874 DOI: 10.3390/antiox10121954] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 12/25/2022] Open
Abstract
The run/cysteine-rich-domain-containing Beclin1-interacting autophagy protein (Rubicon) is essential for the regulation of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase by interacting with p22phox to trigger the production of reactive oxygen species (ROS) in immune cells. In a previous study, we demonstrated that the interaction of Rubicon with p22phox increases cellular ROS levels. The correlation between Rubicon and mitochondrial ROS (mtROS) is poorly understood. Here, we report that Rubicon interacts with p22phox in the outer mitochondrial membrane in macrophages and patients with human ulcerative colitis. Upon lipopolysaccharide (LPS) activation, the binding of Rubicon to p22phox was elevated, and increased not only cellular ROS levels but also mtROS, with an impairment of mitochondrial complex III and mitochondrial biogenesis in macrophages. Furthermore, increased Rubicon decreases mitochondrial metabolic flux in macrophages. Mito-TIPTP, which is a p22phox inhibitor containing a mitochondrial translocation signal, enhances mitochondrial function by inhibiting the association between Rubicon and p22phox in LPS-primed bone-marrow-derived macrophages (BMDMs) treated with adenosine triphosphate (ATP) or dextran sulfate sodium (DSS). Remarkably, Mito-TIPTP exhibited a therapeutic effect by decreasing mtROS in DSS-induced acute or chronic colitis mouse models. Thus, our findings suggest that Mito-TIPTP is a potential therapeutic agent for colitis by inhibiting the interaction between Rubicon and p22phox to recover mitochondrial function.
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Du J, Xiang X, Xu D, Cui K, Pang Y, Xu W, Mai K, Ai Q. LPS Stimulation Induces Small Heterodimer Partner Expression Through the AMPK-NRF2 Pathway in Large Yellow Croaker ( Larimichthys crocea). Front Immunol 2021; 12:753681. [PMID: 34819934 PMCID: PMC8607525 DOI: 10.3389/fimmu.2021.753681] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/05/2021] [Indexed: 11/13/2022] Open
Abstract
The mall heterodimer partner (SHP) plays an important regulatory role in mammal inflammation. The main objective of this study was to investigate the response of SHP to inflammatory stimulation and its underlying mechanism. The shp gene from large yellow croakers, was cloned, and this gene is mainly expressed in the liver and intestine. Lipopolysaccharide (LPS) stimulation induced the mRNA expression and protein level of SHP in macrophages of large yellow croakers. Overexpression of SHP significantly decreased mRNA expression of tnfα, il-1β, il-6 and cox2 induced by LPS treatment in macrophages. LPS stimulation increased the phosphorylation level of Adenosine 5’-monophosphate (AMP)-activated protein kinase (AMPK) in macrophages. AMPK inhibitor treatment significantly decreased the expression of SHP induced by LPS while AMPK activator significantly increased the expression of SHP. The nuclear factor-erythroid 2-related factor 2 (NRF2) increased the promoter activity of SHP in large yellow croakers and the level of nuclear NRF2 was increased by LPS stimulation and AMPK activation. NRF2 inhibitor treatment significantly decreased mRNA expression of shp induced by LPS and AMPK activator. In conclusion, LPS can induce SHP expression by activating the AMPK-NRF2 pathway while SHP could negatively regulate LPS-induced inflammation in large yellow croakers. This study may be benefit to the development of immunology of marine fish and provide new ideas for inflammation-related diseases.
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Affiliation(s)
- Jianlong Du
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Xiaojun Xiang
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Dan Xu
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Kun Cui
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Yuning Pang
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Wei Xu
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China
| | - Kangsen Mai
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Qinghui Ai
- Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture and Rural Affairs) & Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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Zhang Y, Yang W, Li W, Zhao Y. NLRP3 Inflammasome: Checkpoint Connecting Innate and Adaptive Immunity in Autoimmune Diseases. Front Immunol 2021; 12:732933. [PMID: 34707607 PMCID: PMC8542789 DOI: 10.3389/fimmu.2021.732933] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Autoimmune diseases are a broad spectrum of human diseases that are characterized by the breakdown of immune tolerance and the production of autoantibodies. Recently, dysfunction of innate and adaptive immunity is considered to be a key step in the initiation and maintenance of autoimmune diseases. NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome is a multimeric protein complex, which can detect exogenous pathogen irritants and endogenous danger signals. The main function of NLRP3 inflammasome is to promote secretion of interleukin (IL)-1β and IL-18, and pyroptosis mediated by caspase-1. Served as a checkpoint in innate and adaptive immunity, aberrant activation and regulation of NLRP3 inflammasome plays an important role in the pathogenesis of autoimmune diseases. This paper reviewed the roles of NLRP3 inflammasome in autoimmune diseases, which shows NLRP3 inflammasome may be a potential target for autoimmune diseases deserved further study.
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Affiliation(s)
- Yiwen Zhang
- Department of Dermatology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wenlin Yang
- Department of Dermatology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wangen Li
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yunjuan Zhao
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Nandi D, Farid NSS, Karuppiah HAR, Kulkarni A. Imaging Approaches to Monitor Inflammasome Activation. J Mol Biol 2021; 434:167251. [PMID: 34537231 DOI: 10.1016/j.jmb.2021.167251] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 10/20/2022]
Abstract
Inflammasomes are a critical component of innate immune response which plays an important role in the pathogenesis of various chronic and acute inflammatory disease conditions. An inflammasome complex consists of a multimeric protein assembly triggered by any form of pathogenic or sterile insult, resulting in caspase-1 activation. This active enzyme is further known to activate downstream pro-inflammatory cytokines along with a pore-forming protein, eventually leading to a lytic cell death called pyroptosis. Understanding the spatiotemporal kinetics of essential inflammasome components provides a better interpretation of the complex signaling underlying inflammation during several disease pathologies. This can be attained via in-vitro and in-vivo imaging platforms, which not only provide a basic understanding of molecular signaling but are also crucial to develop and screen targeted therapeutics. To date, numerous studies have reported platforms to image different signaling components participating in inflammasome activation. Here, we review several elements of inflammasome signaling, a common molecular mechanism combining these elements and their respective imaging tools. We anticipate that future needs will include developing new inflammasome imaging systems that can be utilized as clinical tools for diagnostics and monitoring treatment responses.
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Affiliation(s)
- Dipika Nandi
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, USA. https://twitter.com/dipikanandi24
| | - Noorul Shaheen Sheikh Farid
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA. https://twitter.com/Shaheen30n
| | - Hayat Anu Ranjani Karuppiah
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA. https://twitter.com/AnuHayat
| | - Ashish Kulkarni
- Department of Chemical Engineering, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, USA; Department of Biomedical Engineering, University of Massachusetts, Amherst, MA, USA; Center for Bioactive Delivery, Institute for Applied Life Sciences, University of Massachusetts, Amherst, MA 01003, USA.
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29
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Bile acid activated receptors: Integrating immune and metabolic regulation in non-alcoholic fatty liver disease. LIVER RESEARCH 2021. [DOI: 10.1016/j.livres.2021.08.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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30
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Kim S, Joo M, Yeo MK, Cho MJ, Kim JS, Jo EK, Kim JM. Small heterodimer partner as a predictor of neoadjuvant radiochemotherapy response and survival in patients with rectal cancer: A preliminary study. Oncol Lett 2021; 22:708. [PMID: 34457063 PMCID: PMC8358587 DOI: 10.3892/ol.2021.12969] [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: 03/31/2020] [Accepted: 06/16/2021] [Indexed: 11/06/2022] Open
Abstract
Small heterodimer partner (SHP) plays an essential role in the regulation of innate immune and inflammatory responses. The aim of the present study was to identify whether SHP levels are associated with cancer immunology and treatment outcomes in rectal cancer. SHP expression was analyzed via gene set enrichment analysis and the OncoLnc database. In addition, immunohistochemistry and reverse transcription-quantitative PCR analyses were performed on the tissues of patients with locally advanced rectal cancer, and the associations of SHP expression with the clinicopathological and hematological features or treatment response to preoperative radiochemotherapy (pRCT) were analyzed retrospectively. Furthermore, the present study investigated whether SHP expression correlated with immune infiltration levels and immune checkpoint molecules in rectal cancer. The results revealed that low SHP mRNA expression was significantly associated with an inflammatory response and poor prognosis. The nuclear expression of SHP was associated with clinical N stage, neutrophil count, lymphocyte count, neutrophil-lymphocyte ratio and complete pathologic response following pRCT. The low nuclear expression of SHP was associated with poor overall and distant metastasis-free survival (DMFS). In multivariate analysis, the low nuclear expression of SHP was identified as a significant independent prognostic factor for DMFS and a marginally significant prognostic factor for overall survival in rectal cancer. Furthermore, patients with low SHP expression exhibited higher neutrophil and CD8+ T cell infiltration levels and higher PD-L1 expression in rectal adenocarcinoma. These results indicate that SHP may act as an anti-inflammatory mediator via the regulation of systemic and local immune responses in rectal cancer. Moreover, SHP might be useful a potential marker or therapeutic target in rectal cancer.
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Affiliation(s)
- Sup Kim
- Department of Radiation Oncology, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Mina Joo
- Department of Pathology and Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Min-Kyung Yeo
- Department of Pathology and Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Moon-June Cho
- Department of Radiation Oncology, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jun-Sang Kim
- Department of Radiation Oncology, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Eun-Kyeong Jo
- Department of Microbiology and Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jin-Man Kim
- Department of Pathology and Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea.,Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
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Bromke MA, Krzystek-Korpacka M. Bile Acid Signaling in Inflammatory Bowel Disease. Int J Mol Sci 2021; 22:9096. [PMID: 34445800 PMCID: PMC8396648 DOI: 10.3390/ijms22169096] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/15/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
Inflammatory bowel disease is a chronic, idiopathic and complex condition, which most often manifests itself in the form of ulcerative colitis or Crohn's disease. Both forms are associated with dysregulation of the mucosal immune system, compromised intestinal epithelial barrier, and dysbiosis of the gut microbiome. It has been observed for a long time that bile acids are involved in inflammatory disorders, and recent studies show their significant physiological role, reaching far beyond being emulsifiers helping in digestion of lipids. Bile acids are also signaling molecules, which act, among other things, on lipid metabolism and immune responses, through several nuclear and membrane receptors in hepatocytes, enterocytes and cells of the immune system. Gut microbiota homeostasis also seems to be affected, directly and indirectly, by bile acid metabolism and signaling. This review summarizes recent advances in the field of bile acid signaling, studies of inflamed gut microbiome, and the therapeutic potential of bile acids in the context of inflammatory bowel disease.
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Affiliation(s)
- Mariusz A. Bromke
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, Chałubińskiego 10, 50-368 Wrocław, Poland;
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Bile Acids Activated Receptors in Inflammatory Bowel Disease. Cells 2021; 10:cells10061281. [PMID: 34064187 PMCID: PMC8224328 DOI: 10.3390/cells10061281] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/14/2021] [Accepted: 05/20/2021] [Indexed: 12/18/2022] Open
Abstract
Once known exclusively for their role in nutrients absorption, bile acids have emerged as signaling molecules, generated from cholesterol breakdown, acting on several immune cells by activating a variety of receptors including the G protein-coupled bile acid receptor 1 (GPABR1 or TGR5), the Farnesoid-X-receptor (FXR) and, as recently discovered, the retinoid-related orphan receptors (ROR)γt. GPBAR1, FXR, and RORγt are highly expressed in cells of the innate and adaptive immune system (i.e., dendritic cells (DCs), macrophages, innate lymphoid 3 cells (ILC3s), and T helper 17 (Th17) lymphocytes) and plays an important role in regulating intestinal and liver immunity, highlighting a role for various bile acid species in regulating immune responses to intestinal microbial antigens. While primary bile acids are generated from the cholesterol breakdown secondary bile acids, the GPBAR1 ligands, and oxo-bile acids derivatives, the RORγt ligands, are generated by the intestinal microbiota, highlighting the potential of these bile acids in mediating the chemical communication between the intestinal microbiota and the host. Changes in intestinal microbiota, dysbiosis, alter the composition of the bile acid pool, promoting the activation of the immune system and development of chronic inflammation. In this review, we focus on the molecular mechanisms by which an altered bile acid signaling promotes intestinal inflammation.
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Targeting the NLRP3 Inflammasome as a New Therapeutic Option for Overcoming Cancer. Cancers (Basel) 2021; 13:cancers13102297. [PMID: 34064909 PMCID: PMC8151587 DOI: 10.3390/cancers13102297] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/04/2021] [Accepted: 05/06/2021] [Indexed: 02/06/2023] Open
Abstract
Inflammasomes are multiprotein complexes that regulate the maturation and secretion of the proinflammatory cytokines interleukin-1beta (IL-1β and interleukin-18 (IL-18) in response to various intracellular stimuli. As a member of the inflammasomes family, NLRP3 is the most studied and best characterized inflammasome and has been shown to be involved in several pathologies. Recent findings have made it increasingly apparent that the NLRP3 inflammasome may also play a central role in tumorigenesis, and it has attracted attention as a potential anticancer therapy target. In this review, we discuss the role of NLRP3 in the development and progression of cancer, offering a detailed summary of NLRP3 inflammasome activation (and inhibition) in the pathogenesis of various forms of cancer. Moreover, we focus on the therapeutic potential of targeting NLRP3 for cancer therapy, emphasizing how understanding NLRP3 inflammasome-dependent cancer mechanisms might guide the development of new drugs that target the inflammatory response of tumor-associated cells.
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34
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The pathophysiological function of non-gastrointestinal farnesoid X receptor. Pharmacol Ther 2021; 226:107867. [PMID: 33895191 DOI: 10.1016/j.pharmthera.2021.107867] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 02/07/2023]
Abstract
Farnesoid X receptor (FXR) influences bile acid homeostasis and the progression of various diseases. While the roles of hepatic and intestinal FXR in enterohepatic transport of bile acids and metabolic diseases were reviewed previously, the pathophysiological functions of FXR in non-gastrointestinal cells and tissues have received little attention. Thus, the roles of FXR in the liver, immune system, nervous system, cardiovascular system, kidney, and pancreas beyond the gastrointestinal system are reviewed herein. Gain of FXR function studies in non-gastrointestinal tissues reveal that FXR signaling improves various experimentally-induced metabolic and immune diseases, including non-alcoholic fatty liver disease, type 2 diabetes, primary biliary cholangitis, sepsis, autoimmune diseases, multiple sclerosis, and diabetic nephropathy, while loss of FXR promotes regulatory T cells production, protects the brain against ischemic injury, atherosclerosis, and inhibits pancreatic tumor progression. The downstream pathways regulated by FXR are diverse and tissue/cell-specific, and FXR has both ligand-dependent and ligand-independent activities, all of which may explain why activation and inhibition of FXR signaling could produce paradoxical or even opposite effects in some experimental disease models. FXR signaling is frequently compromised by diseases, especially during the progressive stage, and rescuing FXR expression may provide a promising strategy for boosting the therapeutic effect of FXR agonists. Tissue/cell-specific modulation of non-gastrointestinal FXR could influence the treatment of various diseases. This review provides a guide for drug discovery and clinical use of FXR modulators.
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An update on the regulatory mechanisms of NLRP3 inflammasome activation. Cell Mol Immunol 2021; 18:1141-1160. [PMID: 33850310 PMCID: PMC8093260 DOI: 10.1038/s41423-021-00670-3] [Citation(s) in RCA: 303] [Impact Index Per Article: 101.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/25/2021] [Indexed: 02/08/2023] Open
Abstract
The NOD-, LRR-, and pyrin domain-containing protein 3 (NLRP3) inflammasome is a multiprotein complex involved in the release of mature interleukin-1β and triggering of pyroptosis, which is of paramount importance in a variety of physiological and pathological conditions. Over the past decade, considerable advances have been made in elucidating the molecular mechanisms underlying the priming/licensing (Signal 1) and assembly (Signal 2) involved in NLRP3 inflammasome activation. Recently, a number of studies have indicated that the priming/licensing step is regulated by complicated mechanisms at both the transcriptional and posttranslational levels. In this review, we discuss the current understanding of the mechanistic details of NLRP3 inflammasome activation with a particular emphasis on protein-protein interactions, posttranslational modifications, and spatiotemporal regulation of the NLRP3 inflammasome machinery. We also present a detailed summary of multiple positive and/or negative regulatory pathways providing upstream signals that culminate in NLRP3 inflammasome complex assembly. A better understanding of the molecular mechanisms underlying NLRP3 inflammasome activation will provide opportunities for the development of methods for the prevention and treatment of NLRP3 inflammasome-related diseases.
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36
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Yang L, Li Y, Wang S, Bian X, Jiang X, Wu J, Wang K, Wang Q, Xia J, Jiang S, Zhuge A, Yuan Y, Li S, Li L. Western Diet Aggravated Carbon Tetrachloride-Induced Chronic Liver Injury by Disturbing Gut Microbiota and Bile Acid Metabolism. Mol Nutr Food Res 2021; 65:e2000811. [PMID: 33458949 DOI: 10.1002/mnfr.202000811] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 11/17/2020] [Indexed: 12/13/2022]
Abstract
SCOPE The high-fat, high-sucrose, and low-fiber Western diet (WD) is popular in many countries and affects the onset and progression of many diseases. This study is aimed to explore the influence of the WD on chronic liver disease (CLD) and its possible mechanism. METHODS AND RESULTS C57BL/6 mice are given a control diet (CD) or WD and CLD is induced by intraperitoneally injecting carbon tetrachloride (CCL4 ) twice a week for 8 weeks. The WD aggravated CCL4 -induced chronic liver injury, as evidenced by increased serum transaminase levels, worsened hepatic inflammatory response, and fibrosis. Gut microbiota is disturbed in mice treated with CCL4 +WD (WC group), manifested as the accumulation of Fusobacteria, Streptococcaceae, Streptococcus, Fusobacterium, and Prevotella and the depletion of Firmicutes, Lachnospiraceae, and Roseburia. Additionally, increased hepatic taurocholic acid in the WC group activated sphingosine-1-phosphate receptor 2, which is positively correlated with hepatic fibrosis and inflammation parameters. Mice in the WC group have higher fecal primary bile acid (BA) levels and lower fecal secondary/primary BA ratios. Serum FGF15 levels are also elevated in the WC group, which is positively correlated with hepatic inflammation. CONCLUSION WD accelerates the progression of CLD which is associated with changes in the gut microbiota and BA metabolism.
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Affiliation(s)
- Liya Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Yating Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Shuting Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Xiaoyuan Bian
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Xianwan Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Jingjing Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Kaicen Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Qiangqiang Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Jiafeng Xia
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Shiman Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Aoxiang Zhuge
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Yin Yuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Shenjie Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, P. R. China
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Qin Q, Liu H, Shou J, Jiang Y, Yu H, Wang X. The inhibitor effect of RKIP on inflammasome activation and inflammasome-dependent diseases. Cell Mol Immunol 2021; 18:992-1004. [PMID: 32901127 PMCID: PMC8115060 DOI: 10.1038/s41423-020-00525-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 07/31/2020] [Indexed: 01/03/2023] Open
Abstract
Aberrant inflammasome activation contributes to the pathogenesis of various human diseases, including atherosclerosis, gout, and metabolic disorders. Elucidation of the underlying mechanism involved in the negative regulation of the inflammasome is important for developing new therapeutic targets for these diseases. Here, we showed that Raf kinase inhibitor protein (RKIP) negatively regulates the activation of the NLRP1, NLRP3, and NLRC4 inflammasomes. RKIP deficiency enhanced caspase-1 activation and IL-1β secretion via NLRP1, NLRP3, and NLRC4 inflammasome activation in primary macrophages. The overexpression of RKIP in THP-1 cells inhibited NLRP1, NLRP3, and NLRC4 inflammasome activation. RKIP-deficient mice showed increased sensitivity to Alum-induced peritonitis and Salmonella typhimurium-induced inflammation, indicating that RKIP inhibits NLRP3 and NLRC4 inflammasome activation in vivo. Mechanistically, RKIP directly binds to apoptosis-associated speck-like protein containing a caspase-recruitment domain (ASC) and competes with NLRP1, NLRP3, or NLRC4 to interact with ASC, thus interrupting inflammasome assembly and activation. The depletion of RKIP aggravated inflammasome-related diseases such as monosodium urate (MSU)-induced gouty arthritis and high-fat diet (HFD)-induced metabolic disorders. Furthermore, the expression of RKIP was substantially downregulated in patients with gouty arthritis or type 2 diabetes (T2D) compared to healthy controls. Collectively, our findings suggest that RKIP negatively regulates NLRP1, NLRP3, and NLRC4 inflammasome activation and is a potential therapeutic target for the treatment of inflammasome-related diseases.
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MESH Headings
- Adaptor Proteins, Signal Transducing/antagonists & inhibitors
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Animals
- Apoptosis Regulatory Proteins/antagonists & inhibitors
- Apoptosis Regulatory Proteins/genetics
- Apoptosis Regulatory Proteins/metabolism
- Arthritis, Gouty/immunology
- Arthritis, Gouty/metabolism
- Arthritis, Gouty/pathology
- CARD Signaling Adaptor Proteins/antagonists & inhibitors
- CARD Signaling Adaptor Proteins/genetics
- CARD Signaling Adaptor Proteins/metabolism
- Calcium-Binding Proteins/antagonists & inhibitors
- Calcium-Binding Proteins/genetics
- Calcium-Binding Proteins/metabolism
- Case-Control Studies
- Diabetes Mellitus, Type 2/immunology
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/pathology
- Humans
- Inflammasomes/immunology
- Macrophages/immunology
- Mice
- Mice, Inbred C57BL
- Peritonitis/immunology
- Peritonitis/metabolism
- Peritonitis/pathology
- Phosphatidylethanolamine Binding Protein/genetics
- Phosphatidylethanolamine Binding Protein/metabolism
- Phosphatidylethanolamine Binding Protein/physiology
- Receptors, Cell Surface/antagonists & inhibitors
- Receptors, Cell Surface/genetics
- Receptors, Cell Surface/metabolism
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Affiliation(s)
- Qiang Qin
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, PR China
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058, PR China
| | - Huan Liu
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058, PR China
| | - Jia'nan Shou
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058, PR China
| | - Yu Jiang
- Department of Clinical Laboratory Medicine, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, PR China
| | - Hong Yu
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, PR China.
| | - Xiaojian Wang
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, PR China.
- Institute of Immunology, School of Medicine, Zhejiang University, Hangzhou, 310058, PR China.
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38
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Alatshan A, Benkő S. Nuclear Receptors as Multiple Regulators of NLRP3 Inflammasome Function. Front Immunol 2021; 12:630569. [PMID: 33717162 PMCID: PMC7952630 DOI: 10.3389/fimmu.2021.630569] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/08/2021] [Indexed: 12/11/2022] Open
Abstract
Nuclear receptors are important bridges between lipid signaling molecules and transcription responses. Beside their role in several developmental and physiological processes, many of these receptors have been shown to regulate and determine the fate of immune cells, and the outcome of immune responses under physiological and pathological conditions. While NLRP3 inflammasome is assumed as key regulator for innate and adaptive immune responses, and has been associated with various pathological events, the precise impact of the nuclear receptors on the function of inflammasome is hardly investigated. A wide variety of factors and conditions have been identified as modulators of NLRP3 inflammasome activation, and at the same time, many of the nuclear receptors are known to regulate, and interact with these factors, including cellular metabolism and various signaling pathways. Nuclear receptors are in the focus of many researches, as these receptors are easy to manipulate by lipid soluble molecules. Importantly, nuclear receptors mediate regulatory mechanisms at multiple levels: not only at transcription level, but also in the cytosol via non-genomic effects. Their importance is also reflected by the numerous approved drugs that have been developed in the past decade to specifically target nuclear receptors subtypes. Researches aiming to delineate mechanisms that regulate NLRP3 inflammasome activation draw a wide range of attention due to their unquestionable importance in infectious and sterile inflammatory conditions. In this review, we provide an overview of current reports and knowledge about NLRP3 inflammasome regulation from the perspective of nuclear receptors, in order to bring new insight to the potentially therapeutic aspect in targeting NLRP3 inflammasome and NLRP3 inflammasome-associated diseases.
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Affiliation(s)
- Ahmad Alatshan
- Departments of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Molecular Cellular and Immune Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Szilvia Benkő
- Departments of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
- Doctoral School of Molecular Cellular and Immune Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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39
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Fiorucci S, Distrutti E, Carino A, Zampella A, Biagioli M. Bile acids and their receptors in metabolic disorders. Prog Lipid Res 2021; 82:101094. [PMID: 33636214 DOI: 10.1016/j.plipres.2021.101094] [Citation(s) in RCA: 110] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/03/2021] [Accepted: 02/12/2021] [Indexed: 02/08/2023]
Abstract
Bile acids are a large family of atypical steroids which exert their functions by binding to a family of ubiquitous cell membrane and nuclear receptors. There are two main bile acid activated receptors, FXR and GPBAR1, that are exclusively activated by bile acids, while other receptors CAR, LXRs, PXR, RORγT, S1PR2and VDR are activated by bile acids in addition to other more selective endogenous ligands. In the intestine, activation of FXR and GPBAR1 promotes the release of FGF15/19 and GLP1 which integrate their signaling with direct effects exerted by theother receptors in target tissues. This network is tuned in a time ordered manner by circadian rhythm and is critical for the regulation of metabolic process including autophagy, fast-to-feed transition, lipid and glucose metabolism, energy balance and immune responses. In the last decade FXR ligands have entered clinical trials but development of systemic FXR agonists has been proven challenging because their side effects including increased levels of cholesterol and Low Density Lipoproteins cholesterol (LDL-c) and reduced High-Density Lipoprotein cholesterol (HDL-c). In addition, pruritus has emerged as a common, dose related, side effect of FXR ligands. Intestinal-restricted FXR and GPBAR1 agonists and dual FXR/GPBAR1 agonists have been developed. Here we review the last decade in bile acids physiology and pharmacology.
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Affiliation(s)
- Stefano Fiorucci
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy.
| | - Eleonora Distrutti
- SC di Gastroenterologia ed Epatologia, Azienda Ospedaliera di Perugia, Perugia, Italy
| | - Adriana Carino
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
| | - Angela Zampella
- Department of Pharmacy, University of Napoli, Federico II, Napoli, Italy
| | - Michele Biagioli
- Dipartimento di Medicina e Chirurgia, Università di Perugia, Perugia, Italy
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40
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Severini C, Barbato C, Di Certo MG, Gabanella F, Petrella C, Di Stadio A, de Vincentiis M, Polimeni A, Ralli M, Greco A. Alzheimer's Disease: New Concepts on the Role of Autoimmunity and NLRP3 Inflammasome in the Pathogenesis of the Disease. Curr Neuropharmacol 2021; 19:498-512. [PMID: 32564756 PMCID: PMC8206463 DOI: 10.2174/1570159x18666200621204546] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 05/27/2020] [Accepted: 06/17/2020] [Indexed: 01/14/2023] Open
Abstract
Alzheimer's disease (AD), recognized as the most common neurodegenerative disorder, is clinically characterized by the presence of extracellular beta-amyloid (Aβ) plaques and by intracellular neurofibrillary tau tangles, accompanied by glial activation and neuroinflammation. Increasing evidence suggests that self-misfolded proteins stimulate an immune response mediated by glial cells, inducing the release of inflammatory mediators and the recruitment of peripheral macrophages into the brain, which in turn aggravate AD pathology. The present review aims to update the current knowledge on the role of autoimmunity and neuroinflammation in the pathogenesis of the disease, indicating a new target for therapeutic intervention. We mainly focused on the NLRP3 microglial inflammasome as a critical factor in stimulating innate immune responses, thus sustaining chronic inflammation. Additionally, we discussed the involvement of the NLRP3 inflammasome in the gut-brain axis. Direct targeting of the NLRP3 inflammasome and the associated receptors could be a potential pharmacological strategy since its inhibition would selectively reduce AD neuroinflammation.
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Affiliation(s)
- Cinzia Severini
- Address correspondence to this author at the Institute of Biochemistry and Cell Biology, National Research Council of Italy, Viale del Policlinico, 155, 00161 Rome, Italy; E-mail:
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41
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Weber ANR, Bittner ZA, Shankar S, Liu X, Chang TH, Jin T, Tapia-Abellán A. Recent insights into the regulatory networks of NLRP3 inflammasome activation. J Cell Sci 2020; 133:133/23/jcs248344. [PMID: 33273068 DOI: 10.1242/jcs.248344] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The NACHT, LRR and PYD domains-containing protein 3 (NLRP3) inflammasome is a fascinating cellular machinery endowed with the capacity for rapid proteolytic processing of the pro-inflammatory cytokine IL-1β and the cell death effector gasdermin D (GSDMD). Although its activity is essential to fight infection and support tissue homeostasis, the inflammasome complex, which consists of the danger sensor NLRP3, the adaptor apoptosis-associated speck-like protein containing a CARD (ASC; also known as PYCARD), caspase-1 and probably other regulatory proteins, also bears considerable potential for detrimental inflammation, as observed in human conditions such as gout, heart attack, stroke and Alzheimer's disease. Thus, multi-layered regulatory networks are required to ensure the fine balance between rapid responsiveness versus erroneous activation (sufficient and temporally restricted versus excessive and chronic activity) of the inflammasome. These involve multiple activation, secretion and cell death pathways, as well as modulation of the subcellular localization of NLRP3, and its structure and activity, owing to post-translational modification by other cellular proteins. Here, we discuss the exciting progress that has recently been made in deciphering the regulation of the NLRP3 inflammasome. Additionally, we highlight open questions and describe areas of research that warrant further exploration to obtain a more comprehensive molecular and cellular understanding of the NLRP3 inflammasome.
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Affiliation(s)
- Alexander N R Weber
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany .,iFIT - Cluster of Excellence (EXC 2180) 'Image-Guided and Functionally Instructed Tumor Therapies', University Hospital Tübingen - Internal Medicine VIII, Otfried-Müller-Str. 14, 72076 Tübingen, Germany
| | - Zsófia A Bittner
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Sangeetha Shankar
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Xiao Liu
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Tzu-Hsuan Chang
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
| | - Tengchuan Jin
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230026 China
| | - Ana Tapia-Abellán
- Interfaculty Institute for Cell Biology, Department of Immunology, University of Tübingen, Auf der Morgenstelle 15, 72076 Tübingen, Germany
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42
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Yang Q, Li Q, Liu Z, Wang D, Guo Y, Li X, Tang Y, Li H, Dong B, Zhi C. Dendrites in Zn-Based Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2001854. [PMID: 33103828 DOI: 10.1002/adma.202001854] [Citation(s) in RCA: 249] [Impact Index Per Article: 62.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 07/01/2020] [Indexed: 05/18/2023]
Abstract
Aqueous Zn batteries that provide a synergistic integration of absolute safety and high energy density have been considered as highly promising energy-storage systems for powering electronics. Despite the rapid progress made in developing high-performance cathodes and electrolytes, the underestimated but non-negligible dendrites of Zn anode have been observed to shorten battery lifespan. Herein, this dendrite issue in Zn anodes, with regard to fundamentals, protection strategies, characterization techniques, and theoretical simulations, is systematically discussed. An overall comparison between the Zn dendrite and its Li and Al counterparts, to highlight their differences in both origin and topology, is given. Subsequently, in-depth clarifications of the specific influence factors of Zn dendrites, including the accumulation effect and the cathode loading mass (a distinct factor for laboratory studies and practical applications) are presented. Recent advances in Zn dendrite protection are then comprehensively summarized and categorized to generate an overview of respective superiorities and limitations of various strategies. Accordingly, theoretical computations and advanced characterization approaches are introduced as mechanism guidelines and measurement criteria for dendrite suppression, respectively. The concluding section emphasizes future challenges in addressing the Zn dendrite issue and potential approaches to further promoting the lifespan of Zn batteries.
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Affiliation(s)
- Qi Yang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Qing Li
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Zhuoxin Liu
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Donghong Wang
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Ying Guo
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Xinliang Li
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
| | - Yongchao Tang
- Songshan Lake Materials Laboratory, Dongguan, 523808, China
| | - Hongfei Li
- Songshan Lake Materials Laboratory, Dongguan, 523808, China
| | - Binbin Dong
- National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, Henan, 450002, China
| | - Chunyi Zhi
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Hong Kong SAR, 999077, China
- Center for Advanced Nuclear Safety and Sustainable Development, City University of Hong Kong, Kowloon, 999077, Hong Kong
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43
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Sophocarpine attenuates septic liver injury through suppression of the NLRP3 inflammasome via autophagy-mediated degradation. Exp Ther Med 2020; 20:249. [PMID: 33178347 PMCID: PMC7651882 DOI: 10.3892/etm.2020.9379] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 04/29/2020] [Indexed: 12/24/2022] Open
Abstract
Septic liver injury remains a challenge in sepsis treatment. Nucleotide-binding oligomerization domain, leucine rich repeat and pyrin domain containing 3 (NLRP3) inflammasome activation has been suggested to be a major cause of hepatocyte cell death in liver diseases. However, insufficient research has been performed to explore the underlying mechanisms associated with this. In the present study, sophocarpine, a pharmaceutical monomer originally isolated from Sophora flavescens, was suggested to attenuate septic liver injury in a mouse cecal ligation and puncture (CLP) model. By utilizing western blotting, ELISA, H&E staining and immunohistochemistry, the results demonstrated that sophocarpine treatment reversed CLP-induced elevations in serum aspartate transaminase, alanine transaminase, interleukin (IL)-6 and IL-1β levels. Additionally, sophocarpine appeared to have suppressed the activation of the NLRP3 inflammasome, as indicated by observed reductions in liver IL-1β, NLRP3, caspase 1-p20 and gasdermin D-p30 protein levels. Further investigation suggested that sophocarpine-induced autophagy was essential for this suppression of NLRP3 inflammasome activation, the inhibition of which reversed the protective effects of sophocarpine on CLP-induced liver injury. Collectively, results from the present study suggested a protective role for sophocarpine against septic liver injury, where sophocarpine may suppress NLRP3 inflammasome activation by autophagy-mediated degradation.
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44
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Huang L, Fang X, Shi D, Yao S, Wu W, Fang Q, Yao H. MSP-RON Pathway: Potential Regulator of Inflammation and Innate Immunity. Front Immunol 2020; 11:569082. [PMID: 33117355 PMCID: PMC7577085 DOI: 10.3389/fimmu.2020.569082] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 08/27/2020] [Indexed: 12/17/2022] Open
Abstract
Macrophage-stimulating protein (MSP), a soluble protein mainly synthesized by the liver, is the only known ligand for recepteur d'origine nantais (RON), which is a member of the MET proto-oncogene family. Recent studies show that the MSP-RON signaling pathway not only was important in tumor behavior but also participates in the occurrence or development of many immune system diseases. Activation of RON in macrophages results in the inhibition of nitric oxide synthesis as well as lipopolysaccharide (LPS)-induced inflammatory response. MSP-RON is also associated with chronic inflammatory responses, especially chronic liver inflammation, and might serve as a novel regulator of inflammation, which may affect the metabolism in the body. Another study provided evidence of the relationship between MSP-RON and autoimmune diseases, suggesting a potential role for MSP-RON in the development of drugs for autoimmune diseases. Moreover, MSP-RON plays an important role in maintaining the stability of the tissue microenvironment and contributes to immune escape in the tumor immune microenvironment. Here, we summarize the role of MSP-RON in immunity, based on recent findings, and lay the foundation for further research.
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Affiliation(s)
- Lingtong Huang
- Department of Critical Care Units, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xueling Fang
- Department of Critical Care Units, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Danrong Shi
- State Key Laboratory for Diagnosis & Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuhao Yao
- Department of Stormotologry, Wenzhou Medical University Renji College, Wenzhou, China
| | - Weifang Wu
- Department of Critical Care Units, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qiang Fang
- Department of Critical Care Units, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hangping Yao
- State Key Laboratory for Diagnosis & Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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45
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Seoane PI, Lee B, Hoyle C, Yu S, Lopez-Castejon G, Lowe M, Brough D. The NLRP3-inflammasome as a sensor of organelle dysfunction. J Cell Biol 2020; 219:191204. [PMID: 33044555 PMCID: PMC7543090 DOI: 10.1083/jcb.202006194] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/18/2020] [Accepted: 09/18/2020] [Indexed: 02/08/2023] Open
Abstract
Diverse pathogen- and damage-associated stresses drive inflammation via activation of the multimolecular NLRP3-inflammasome complex. How the effects of diverse stimuli are integrated by the cell to regulate NLRP3 has been the subject of intense research, and yet an accepted unifying hypothesis for the control of NLRP3 remains elusive. Here, we review the literature on the effects of NLRP3-activating stimuli on subcellular organelles and conclude that a shared feature of NLRP3-activating stresses is an organelle dysfunction. In particular, we propose that the endosome may be more important than previously recognized as a signal-integrating hub for NLRP3 activation in response to many stimuli and may also link to the dysfunction of other organelles. In addition, NLRP3-inflammasome-activating stimuli trigger diverse posttranslational modifications of NLRP3 that are important in controlling its activation. Future research should focus on how organelles respond to specific NLRP3-activating stimuli, and how this relates to posttranslational modifications, to delineate the organellar control of NLRP3.
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Affiliation(s)
- Paula I. Seoane
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Bali Lee
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Christopher Hoyle
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Shi Yu
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Gloria Lopez-Castejon
- Division of Infection, Immunity, and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Martin Lowe
- Division of Molecular and Cellular Function, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - David Brough
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK,The Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK,Correspondence to David Brough:
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46
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Wang X, Sun J, Wan L, Yang X, Lin H, Zhang Y, He X, Zhong H, Guan K, Min M, Sun Z, Yang X, Wang B, Dong M, Wei C. The Shigella Type III Secretion Effector IpaH4.5 Targets NLRP3 to Activate Inflammasome Signaling. Front Cell Infect Microbiol 2020; 10:511798. [PMID: 33117724 PMCID: PMC7561375 DOI: 10.3389/fcimb.2020.511798] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 08/20/2020] [Indexed: 12/15/2022] Open
Abstract
Activation of the NLRP3 inflammasome requires the expression of NLRP3, which is strictly regulated by its capacity to directly recognize microbial-derived substances. Even though the involvement of caspase-1 activation in macrophages via NLRP3 and NLRC4 has been discovered, the accurate mechanisms by which Shigella infection triggers NLRP3 activation remain inadequately understood. Here, we demonstrate that IpaH4.5, a Shigella T3SS effector, triggers inflammasome activation by regulating NLRP3 expression through the E3 ubiquitin ligase activity of IpaH4.5. First, we found that IpaH4.5 interacted with NLRP3. As a result, IpaH4.5 modulated NLRP3 protein stability and inflammasome activation. Bacteria lacking IpaH4.5 had dramatically reduced ability to induce pyroptosis. Our results identify a previously unrecognized target of IpaH4.5 in the regulation of inflammasome signaling and clarify the molecular basis for the cytosolic response to the T3SS effector.
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Affiliation(s)
- Xiaolin Wang
- Basic Medical College, Qingdao University, Qingdao, China.,Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Jin Sun
- Basic Medical College, Qingdao University, Qingdao, China.,Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Luming Wan
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Xiaopan Yang
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Haotian Lin
- Basic Medical College, Qingdao University, Qingdao, China.,Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Yanhong Zhang
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Xiang He
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Hui Zhong
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Kai Guan
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Min Min
- Department of Gastroenterology and Hepatology, The Fifth Medical Center of Chinese PLA (People's Liberation Army) General Hospital, Beijing, China
| | - Zhenxue Sun
- Third Medical Center of Chinese PLA (People's Liberation Army) General Hospital, Beijing, China
| | - Xiaoli Yang
- Third Medical Center of Chinese PLA (People's Liberation Army) General Hospital, Beijing, China
| | - Bin Wang
- Basic Medical College, Qingdao University, Qingdao, China
| | - Mingxin Dong
- Basic Medical College, Qingdao University, Qingdao, China
| | - Congwen Wei
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing, China
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47
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Vinaik R, Barayan D, Jeschke MG. NLRP3 Inflammasome in Inflammation and Metabolism: Identifying Novel Roles in Postburn Adipose Dysfunction. Endocrinology 2020; 161:5868467. [PMID: 32790834 PMCID: PMC7426001 DOI: 10.1210/endocr/bqaa116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023]
Abstract
Inflammasomes are multiprotein complexes that respond to pathogen or host associated damage markers, leading to caspase-1 maturation and processing of pro-inflammatory cytokines. Initially, inflammasomes were implicated primarily in inflammatory and infectious conditions. However, increasing evidence demonstrates broader roles beyond inflammation, including regulation of adipose tissue metabolism after burns. Here, we conducted a search for articles on PubMed, Web of Science, Embase, Scopus, and UpToDate with applied search strategies including a combination of "burns," "trauma," "(NLRP3) inflammasome," "metabolic conditions," "white adipose tissue," "macrophages," "browning," and "lipolysis" and included papers from 2000 to 2020. We discuss unexpected roles for NLRP3, the most characterized inflammasome to date, as a key metabolic driver in a variety of conditions. In particular, we highlight the function of NLRP3 inflammasome in burn trauma, which is characterized by both hyperinflammation and hypermetabolism. We identify a critical part for NLRP3 activation in macrophage dynamics and delineate a novel role in postburn white adipose tissue remodeling, a pathological response associated with hypermetabolism and poor clinical outcomes. Mechanistically, how inflammation and inflammasome activation is linked to postburn hypermetabolism is a novel concept to contemplate, and herein we provide evidence of an immunometabolic crosstalk between adipocytes and infiltrating macrophages.
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Affiliation(s)
| | | | - Marc G Jeschke
- Department of Surgery, Division of Plastic Surgery, University of Toronto, Canada
- Department of Immunology, University of Toronto, Canada
- Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre, Toronto, Canada
- Sunnybrook Research Institute, Toronto, Canada
- Correspondence: Marc G. Jeschke, MD, PhD, Director Ross Tilley Burn Centre, Sunnybrook Health Sciences Centre; Division of Plastic Surgery, Department of Surgery, Department of Immunology, University of Toronto; Sunnybrook Research Institute, 2075 Bayview Ave., Rm. D704, Toronto, ON, CANADA, M4N 3M5. E-mail:
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48
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Irrera N, Russo M, Pallio G, Bitto A, Mannino F, Minutoli L, Altavilla D, Squadrito F. The Role of NLRP3 Inflammasome in the Pathogenesis of Traumatic Brain Injury. Int J Mol Sci 2020; 21:ijms21176204. [PMID: 32867310 PMCID: PMC7503761 DOI: 10.3390/ijms21176204] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 12/18/2022] Open
Abstract
Traumatic brain injury (TBI) represents an important problem of global health. The damage related to TBI is first due to the direct injury and then to a secondary phase in which neuroinflammation plays a key role. NLRP3 inflammasome is a component of the innate immune response and different diseases, such as neurodegenerative diseases, are characterized by NLRP3 activation. This review aims to describe NLRP3 inflammasome and the consequences related to its activation following TBI. NLRP3, caspase-1, IL-1β, and IL-18 are significantly upregulated after TBI, therefore, the use of nonspecific, but mostly specific NLRP3 inhibitors is useful to ameliorate the damage post-TBI characterized by neuroinflammation. Moreover, NLRP3 and the molecules associated with its activation may be considered as biomarkers and predictive factors for other neurodegenerative diseases consequent to TBI. Complications such as continuous stimuli or viral infections, such as the SARS-CoV-2 infection, may worsen the prognosis of TBI, altering the immune response and increasing the neuroinflammatory processes related to NLRP3, whose activation occurs both in TBI and in SARS-CoV-2 infection. This review points out the role of NLRP3 in TBI and highlights the hypothesis that NLRP3 may be considered as a potential therapeutic target for the management of neuroinflammation in TBI.
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Affiliation(s)
- Natasha Irrera
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Massimo Russo
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Giovanni Pallio
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Alessandra Bitto
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Federica Mannino
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Letteria Minutoli
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
| | - Domenica Altavilla
- Department of Biomedical, Dental, Morphologic and Functional Imaging Sciences, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy;
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, University of Messina, c/o AOU Policlinico G. Martino, Via C. Valeria Gazzi, 98,125 Messina, Italy; (N.I.); (M.R.); (G.P.); (A.B.); (F.M.); (L.M.)
- Correspondence:
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Yim D, Lee DE, So Y, Choi C, Son W, Jang K, Yang CS, Kim JH. Sustainable Nanosheet Antioxidants for Sepsis Therapy via Scavenging Intracellular Reactive Oxygen and Nitrogen Species. ACS NANO 2020; 14:10324-10336. [PMID: 32806029 DOI: 10.1021/acsnano.0c03807] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Sepsis is an aberrant systemic inflammatory response mediated by excessive production of reactive oxygen species (ROS) and reactive nitrogen species (RNS). Developing an efficient antioxidant therapy for sepsis via scavenging ROS and RNS remains a big challenge owing to the insufficient activity and sustainability of conventional antioxidants. Herein, biocompatible transition-metal dichalcogenide antioxidants with excellent scavenging activity and sustainability for H2O2, O2•-, OH•, and nitric oxide are developed for effective sepsis treatment. WS2, MoSe2, and WSe2 nanosheets exfoliated and functionalized with a biocompatible polymer effectively scavenge mitochondrial and intracellular ROS and RNS in inflammatory cells. Among the nanosheets, WS2 most efficiently suppresses the excessive secretion of inflammatory cytokines along with scavenging ROS and RNS without affecting the expression levels of the anti-inflammatory cytokine and ROS-producing enzymes. The WS2 nanosheets significantly improve the survival rate up to 90% for severely septic mice by reducing systemic inflammation. The pharmacokinetics suggests that the WS2 nanosheets can be excreted from mice 3 days after intravenous injection. This work demonstrates the potential of therapeutic nanosheet antioxidants for effective treatment of ROS and RNS-related diseases.
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Affiliation(s)
- DaBin Yim
- Department of Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Da-Eun Lee
- Department of Molecular and Life Science, Hanyang University, Ansan 15588, Republic of Korea
| | - Yoonhee So
- Department of Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Chanhee Choi
- Department of Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Wooic Son
- Department of Molecular and Life Science, Hanyang University, Ansan 15588, Republic of Korea
| | - Kiseok Jang
- Department of Pathology, Hanyang University College of Medicine, Seoul 04763, Republic of Korea
| | - Chul-Su Yang
- Department of Molecular and Life Science, Hanyang University, Ansan 15588, Republic of Korea
- Department of Bionano Technology, Hanyang University, Seoul 04763, Republic of Korea
| | - Jong-Ho Kim
- Department of Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea
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Fiorucci S, Baldoni M, Ricci P, Zampella A, Distrutti E, Biagioli M. Bile acid-activated receptors and the regulation of macrophages function in metabolic disorders. Curr Opin Pharmacol 2020; 53:45-54. [DOI: 10.1016/j.coph.2020.04.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 04/14/2020] [Accepted: 04/22/2020] [Indexed: 12/12/2022]
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