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Burla B, Oh J, Nowak A, Piraud N, Meyer E, Mei D, Bendt AK, Studt JD, Frey BM, Torta F, Wenk MR, Krayenbuehl PA. Plasma and platelet lipidome changes in Fabry disease. Clin Chim Acta 2024; 562:119833. [PMID: 38955246 DOI: 10.1016/j.cca.2024.119833] [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: 01/16/2024] [Revised: 06/14/2024] [Accepted: 06/24/2024] [Indexed: 07/04/2024]
Abstract
BACKGROUND Fabry disease (FD) is an X-linked lysosomal storage disorder characterized by the progressive accumulation of globotriaosylceramide (Gb3) leading to systemic manifestations such as chronic kidney disease, cardiomyopathy, and stroke. There is still a need for novel markers for improved FD screening and prognosis. Moreover, the pathological mechanisms in FD, which also include systemic inflammation and fibrosis, are not yet fully understood. METHODS Plasma and platelets were obtained from 11 ERT (enzyme-replacement therapy)-treated symptomatic, 4 asymptomatic FD patients, and 13 healthy participants. A comprehensive targeted lipidomics analysis was conducted quantitating more than 550 lipid species. RESULTS Sphingadiene (18:2;O2)-containing sphingolipid species, including Gb3 and galabiosylceramide (Ga2), were significantly increased in FD patients. Plasma levels of lyso-dihexosylceramides, sphingoid base 1-phosphates (S1P), and GM3 ganglioside were also altered in FD patients, as well as specific plasma ceramide ratios used in cardiovascular disease risk prediction. Gb3 did not increase in patients' platelets but displayed a high inter-individual variability in patients and healthy participants. Platelets accumulated, however, lyso-Gb3, acylcarnitines, C16:0-sphingolipids, and S1P. CONCLUSIONS This study identified lipidome changes in plasma and platelets from FD patients, a possible involvement of platelets in FD, and potential new markers for screening and monitoring of this disease.
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Affiliation(s)
- Bo Burla
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore.
| | - Jeongah Oh
- Precision Medicine Translational Research Program and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore.
| | - Albina Nowak
- Department of Internal Medicine, Psychiatric University Clinic Zurich, Switzerland; Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich, Switzerland.
| | | | - Eduardo Meyer
- Swiss Red Cross (SRC), Zurich-Schlieren, Switzerland
| | - Ding Mei
- Precision Medicine Translational Research Program and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Anne K Bendt
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore
| | - Jan-Dirk Studt
- Division of Medical Oncology and Hematology, University Hospital Zurich, Zurich, Switzerland
| | - Beat M Frey
- Swiss Red Cross (SRC), Zurich-Schlieren, Switzerland
| | - Federico Torta
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore; Precision Medicine Translational Research Program and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Markus R Wenk
- Singapore Lipidomics Incubator, Life Sciences Institute, National University of Singapore, Singapore; Precision Medicine Translational Research Program and Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar.
| | - Pierre-Alexandre Krayenbuehl
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital Zurich, Switzerland; General Practice Brauereistrasse, Uster-Zurich, Switzerland.
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Cavallari N, Johnson A, Nagl C, Seiser S, Rechberger GN, Züllig T, Kufer TA, Elbe-Bürger A, Geiselhart S, Hoffmann-Sommergruber K. Nonspecific lipid-transfer proteins trigger TLR2 and NOD2 signaling and undergo ligand-dependent endocytosis in epithelial cells. J Allergy Clin Immunol 2024:S0091-6749(24)00744-9. [PMID: 39084297 DOI: 10.1016/j.jaci.2024.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 07/10/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
BACKGROUND Allergens can cross the epithelial barrier to enter the body but how this cellular passage affects protein structures and the downstream interactions with the immune system are still open questions. OBJECTIVE We sought to show the molecular details and the effects of 3 nonspecific lipid transfer proteins (nsLTPs; Mal d 3 [allergenic nsLTP1 from apple], Cor a 8 [allergenic nsLTP1 from hazelnut], and Pru p 3 [allergenic nsLTP1 from peach]) on epithelial cell uptake and transport. METHODS We used fluorescent imaging, flow cytometry, and proteomic and lipidomic screenings to identify the mechanism involved in nsLTP cellular uptake and signaling on selected epithelial and transgenic cell lines. RESULTS nsLTPs are transported across the epithelium without affecting cell membrane stability or viability, and allergen uptake was largely impaired by inhibition of clathrin-mediated endocytosis. Analysis of the lipidome associated with nsLTPs showed a wide variety of lipid ligands predicted to bind inside the allergen hydrophobic cavity. Importantly, the internalization of nsLTPs was contingent on these ligands in the protein complex. nsLTPs were found to initiate cellular signaling via Toll-like receptor 2 but not the cluster of differentiation 1 protein receptor, despite neither being essential for nsLTP endocytosis. We also provide evidence that the 3 allergens induced intracellular stress signaling through activation of the NOD2 pathway. CONCLUSIONS Our work consolidates the current model on nsLTP-epithelial cell interplay and adds molecular details about cell transport and signaling. In addition, we have developed a versatile toolbox to extend these investigations to other allergens and cell types.
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Affiliation(s)
- Nicola Cavallari
- Center for Pathophysiology, Infectiology and Immunology, Department of Pathophysiology and Allergy Research, Vienna, Austria
| | - Alexander Johnson
- Center for Anatomy & Cell Biology, Division of Anatomy, Medical University of Vienna, Vienna, Austria; Medical Imaging Cluster, Vienna, Austria
| | - Christoph Nagl
- Center for Pathophysiology, Infectiology and Immunology, Department of Pathophysiology and Allergy Research, Vienna, Austria
| | - Saskia Seiser
- Department of Dermatology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Gerald N Rechberger
- Institute of Molecular Biosciences, University of Graz, NAWI Graz, Graz, Austria
| | - Thomas Züllig
- Institute of Molecular Biosciences, University of Graz, NAWI Graz, Graz, Austria
| | - Thomas A Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Adelheid Elbe-Bürger
- Department of Dermatology, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Sabine Geiselhart
- Center for Pathophysiology, Infectiology and Immunology, Department of Pathophysiology and Allergy Research, Vienna, Austria
| | - Karin Hoffmann-Sommergruber
- Center for Pathophysiology, Infectiology and Immunology, Department of Pathophysiology and Allergy Research, Vienna, Austria.
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3
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Larochelle J, Howell JA, Yang C, Liu L, Gunraj RE, Stansbury SM, de Oliveira ACP, Baksh S, Candelario-Jalil E. Pharmacological inhibition of receptor-interacting protein kinase 2 (RIPK2) elicits neuroprotective effects following experimental ischemic stroke. Exp Neurol 2024; 377:114812. [PMID: 38729551 DOI: 10.1016/j.expneurol.2024.114812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/19/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
Ischemic stroke induces a debilitating neurological insult, where inflammatory processes contribute greatly to the expansion and growth of the injury. Receptor-interacting protein kinase 2 (RIPK2) is most well-known for its role as the obligate kinase for NOD1/2 pattern recognition receptor signaling and is implicated in the pathology of various inflammatory conditions. Compared to a sham-operated control, ischemic stroke resulted in a dramatic increase in the active, phosphorylated form of RIPK2, indicating that RIPK2 may be implicated in the response to stroke injury. Here, we assessed the effects of pharmacological inhibition of RIPK2 to improve post-stroke outcomes in mice subjected to experimental ischemic stroke. We found that treatment at the onset of reperfusion with a RIPK2 inhibitor, which inhibits the phosphorylation and activation of RIPK2, resulted in marked improvements in post-stroke behavioral outcomes compared to the vehicle-administered group assessed 24 h after stroke. RIPK2 inhibitor-treated mice exhibited dramatic reductions in infarct volume, concurrent with reduced damage to the blood-brain barrier, as evidenced by reduced levels of active matrix metalloproteinase-9 (MMP-9) and leakage of blood-borne albumin in the ipsilateral cortex. To explore the protective mechanism of RIPK2 inhibition, we next pretreated mice with RIPK2 inhibitor or vehicle and examined transcriptomic alterations occurring in the ischemic brain 6 h after stroke. We observed a dramatic reduction in neuroinflammatory markers in the ipsilateral cortex of the inhibitor-treated group while also attaining a comprehensive view of the vast transcriptomic alterations occurring in the brain with inhibitor treatment through bulk RNA-sequencing of the injured cortex. Overall, we provide significant novel evidence that RIPK2 may represent a viable target for post-stroke pharmacotherapy and potentially other neuroinflammatory conditions.
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Affiliation(s)
- Jonathan Larochelle
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - John Aaron Howell
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Changjun Yang
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Lei Liu
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Rachel E Gunraj
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Sofia M Stansbury
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | | | - Shairaz Baksh
- BioImmuno Designs, Inc., Edmonton, Alberta, Canada; Bio-Stream Diagnostics, Inc., Edmonton, Alberta, Canada
| | - Eduardo Candelario-Jalil
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
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4
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Borowczyk M, Kaczmarek-Ryś M, Hryhorowicz S, Sypniewski M, Filipowicz D, Dobosz P, Oszywa M, Ruchała M, Ziemnicka K. Germline polymorphisms of the NOD2 pathway may predict the effectiveness of radioiodine in differentiated thyroid cancer treatment. J Endocrinol Invest 2024:10.1007/s40618-024-02389-0. [PMID: 38755492 DOI: 10.1007/s40618-024-02389-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 05/02/2024] [Indexed: 05/18/2024]
Abstract
PURPOSE Differentiated thyroid cancer (DTC) presents a complex clinical challenge, especially in patients with distant metastases and resistance to standard treatments. This study aimed to investigate the influence of specific genes and their germline single nucleotide polymorphisms (SNPs) linked to both inflammatory processes and other neoplasms on the clinical and pathological characteristics of DTC, particularly their potential impact on radioiodine (RAI) treatment efficacy. METHODS This retrospective analysis involved a cohort of 646 patients diagnosed with DTC after thyroidectomy. Study covering 1998-2014, updated in 2023, included 567 women and 79 men (median age: 49; range: 7-83). SNP selection targeted functional significance, while mutational status was assessed by pyrosequencing for comprehensive characterization. Patient genetic profiles were assessed for associations with disease characteristics, RAI response, and cancer pathology. RESULTS Significant correlations emerged between certain SNPs and DTC features. Notably, the NOD2 c.802 T > C variant (rs2066842) was identified as a marker distinguishing between papillary thyroid cancer (PTC) and follicular thyroid cancer (FTC). Moreover, the c.802 T allele was associated with an enhanced response to RAI treatment, indicating a more substantial decrease in posttreatment stimulated thyroglobulin (sTg) concentrations. The NFKB1A allele c.126A (rs696) exhibited connections with lower FTC stages and a reduced probability of multifocality. CONCLUSION This study explored the molecular mechanisms of particular SNPs, highlighting the role of NOD2 in innate immunity and the stress response, and its potential impact on RAI efficacy. This research underscores the clinical promise of SNP analysis and contributes to personalized treatment strategies for DTC, emphasizing the relevance of genetic factors in cancer progression and treatment outcomes.
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Affiliation(s)
- M Borowczyk
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 49 Przybyszewskiego Street, 60-355, Poznan, Poland.
| | - M Kaczmarek-Ryś
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - S Hryhorowicz
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland
| | - M Sypniewski
- University Cancer Diagnostic Center, Poznan University of Medical Sciences, Poznan, Poland
| | - D Filipowicz
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 49 Przybyszewskiego Street, 60-355, Poznan, Poland
| | - P Dobosz
- University Cancer Diagnostic Center, Poznan University of Medical Sciences, Poznan, Poland
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland
| | - M Oszywa
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 49 Przybyszewskiego Street, 60-355, Poznan, Poland
| | - M Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 49 Przybyszewskiego Street, 60-355, Poznan, Poland
| | - K Ziemnicka
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, 49 Przybyszewskiego Street, 60-355, Poznan, Poland
- University Cancer Diagnostic Center, Poznan University of Medical Sciences, Poznan, Poland
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5
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Willmann K, Moita LF. Physiologic disruption and metabolic reprogramming in infection and sepsis. Cell Metab 2024; 36:927-946. [PMID: 38513649 DOI: 10.1016/j.cmet.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/12/2024] [Accepted: 02/21/2024] [Indexed: 03/23/2024]
Abstract
Effective responses against severe systemic infection require coordination between two complementary defense strategies that minimize the negative impact of infection on the host: resistance, aimed at pathogen elimination, and disease tolerance, which limits tissue damage and preserves organ function. Resistance and disease tolerance mostly rely on divergent metabolic programs that may not operate simultaneously in time and space. Due to evolutionary reasons, the host initially prioritizes the elimination of the pathogen, leading to dominant resistance mechanisms at the potential expense of disease tolerance, which can contribute to organ failure. Here, we summarize our current understanding of the role of physiological perturbations resulting from infection in immune response dynamics and the metabolic program requirements associated with resistance and disease tolerance mechanisms. We then discuss how insight into the interplay of these mechanisms could inform future research aimed at improving sepsis outcomes and the potential for therapeutic interventions.
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Affiliation(s)
- Katharina Willmann
- Innate Immunity and Inflammation Laboratory, Instituto Gulbenkian de Ciência, Oeiras, Portugal
| | - Luis F Moita
- Innate Immunity and Inflammation Laboratory, Instituto Gulbenkian de Ciência, Oeiras, Portugal; Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal.
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Hezinger L, Bauer S, Ellwanger K, Piotrowsky A, Biber F, Venturelli S, Kufer TA. NOD1 cooperates with HAX-1 to promote cell migration in a RIPK2- and NF-ĸB-independent manner. FEBS J 2023; 290:5295-5312. [PMID: 37488967 DOI: 10.1111/febs.16912] [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: 02/09/2023] [Revised: 06/13/2023] [Accepted: 07/21/2023] [Indexed: 07/26/2023]
Abstract
The human Nod-like receptor protein NOD1 is a well-described pattern-recognition receptor (PRR) with diverse functions. NOD1 associates with F-actin and its protein levels are upregulated in metastatic cancer cells. A hallmark of cancer cells is their ability to migrate, which involves actin remodelling. Using chemotaxis and wound healing assays, we show that NOD1 expression correlated with the migration rate and chemotactic index in the cervical carcinoma cell line HeLa. The effect of NOD1 in cell migration was independent of the downstream kinase RIPK2 and NF-ĸB activity. Additionally, NOD1 negatively regulated the phosphorylation status of cofilin, which inhibits actin turnover. Co-immunoprecipitation assays identified HCLS1-associated protein X-1 (HAX-1) as a previously unknown interaction partner of NOD1. Silencing of HAX-1 expression reduced the migration behaviour to similar levels as NOD1 knockdown, and simultaneous knockdown of NOD1 and HAX-1 showed no additive effect, suggesting that both proteins act in the same pathway. In conclusion, our data revealed an important role of the PRR NOD1 in regulating cell migration as well as chemotaxis in human cervical cancer cells and identified HAX-1 as a protein that interacts with NOD1 and is involved in this signalling pathway.
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Affiliation(s)
- Lucy Hezinger
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Sarah Bauer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Kornelia Ellwanger
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Alban Piotrowsky
- Department of Biochemistry of Nutrition, University of Hohenheim, Stuttgart, Germany
| | - Felix Biber
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Sascha Venturelli
- Department of Biochemistry of Nutrition, University of Hohenheim, Stuttgart, Germany
- Department of Vegetative and Clinical Physiology, Institute of Physiology, University Hospital Tuebingen, Germany
| | - Thomas A Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
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7
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Qu X, Yang T, Wang X, Xu D, Yu Y, Li J, Jiang L, Xia Q, Farmer DG, Ke B. Macrophage RIPK3 triggers inflammation and cell death via the XBP1-Foxo1 axis in liver ischaemia-reperfusion injury. JHEP Rep 2023; 5:100879. [PMID: 37841640 PMCID: PMC10568422 DOI: 10.1016/j.jhepr.2023.100879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 05/12/2023] [Accepted: 07/22/2023] [Indexed: 10/17/2023] Open
Abstract
Background & Aims Receptor-interacting serine/threonine-protein kinase 3 (RIPK3) is a central player in triggering necroptotic cell death. However, whether macrophage RIPK3 may regulate NOD1-dependent inflammation and calcineurin/transient receptor potential cation channel subfamily M member 7 (TRPM7)-induced hepatocyte death in oxidative stress-induced liver inflammatory injury remains elusive. Methods A mouse model of hepatic ischaemia-reperfusion (IR) injury, the primary hepatocytes, and bone marrow-derived macrophages were used in the myeloid-specific RIPK3 knockout (RIPK3M-KO) and RIPK3-proficient (RIPK3FL/FL) mice. Results RIPK3M-KO diminished IR stress-induced liver damage with reduced serum alanine aminotransferase/aspartate aminotransferase levels, macrophage/neutrophil infiltration, and pro-inflammatory mediators compared with the RIPK3FL/FL controls. IR stress activated RIPK3, inositol-requiring transmembrane kinase/endoribonuclease 1α (IRE1α), x-box binding protein 1 (XBP1), nucleotide-binding oligomerisation domain-containing protein 1 (NOD1), NF-κB, forkhead box O1 (Foxo1), calcineurin A, and TRPM7 in ischaemic livers. Conversely, RIPK3M-KO depressed IRE1α, XBP1, NOD1, calcineurin A, and TRPM7 activation with reduced serum tumour necrosis factor α (TNF-α) levels. Moreover, Foxo1M-KO alleviated IR-induced liver injury with reduced NOD1 and TRPM7 expression. Interestingly, chromatin immunoprecipitation coupled with massively parallel sequencing revealed that macrophage Foxo1 colocalised with XBP1 and activated its target gene Zc3h15 (zinc finger CCCH domain-containing protein 15). Activating macrophage XBP1 enhanced Zc3h15, NOD1, and NF-κB activity. However, disruption of macrophage Zc3h15 inhibited NOD1 and hepatocyte calcineurin/TRPM7 activation, with reduced reactive oxygen species production and lactate dehydrogenase release after macrophage/hepatocyte coculture. Furthermore, adoptive transfer of Zc3h15-expressing macrophages in RIPK3M-KO mice augmented IR-triggered liver inflammation and cell death. Conclusions Macrophage RIPK3 activates the IRE1α-XBP1 pathway and Foxo1 signalling in IR-stress livers. The XBP1-Foxo1 interaction is essential for modulating target gene Zc3h15 function, which is crucial for the control of NOD1 and calcineurin-mediated TRPM7 activation. XBP1 functions as a transcriptional coactivator of Foxo1 in regulating NOD1-driven liver inflammation and calcineurin/TRPM7-induced cell death. Our findings underscore a novel role of macrophage RIPK3 in stress-induced liver inflammation and cell death, implying the potential therapeutic targets in liver inflammatory diseases. Impact and implications Macrophage RIPK3 promotes NOD1-dependent inflammation and calcineurin/TRPM7-induced cell death cascade by triggering the XBP1-Foxo1 axis and its target gene Zc3h15, which is crucial for activating NOD1 and calcineurin/TRPM7 function, implying the potential therapeutic targets in stress-induced liver inflammatory injury.
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Affiliation(s)
- Xiaoye Qu
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Liver Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Tao Yang
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Infectious Diseases, the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Xiao Wang
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Infectious Diseases, the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Dongwei Xu
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Liver Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yeping Yu
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Jun Li
- Department of Infectious Diseases, the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Longfeng Jiang
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- Department of Infectious Diseases, the First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Douglas G. Farmer
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Bibo Ke
- The Dumont-UCLA Transplant Center, Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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8
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Mohammed S, Bindu A, Viswanathan A, Harikumar KB. Sphingosine 1-phosphate signaling during infection and immunity. Prog Lipid Res 2023; 92:101251. [PMID: 37633365 DOI: 10.1016/j.plipres.2023.101251] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 08/28/2023]
Abstract
Sphingolipids are essential components of all eukaryotic membranes. The bioactive sphingolipid molecule, Sphingosine 1-Phosphate (S1P), regulates various important biological functions. This review aims to provide a comprehensive overview of the role of S1P signaling pathway in various immune cell functions under different pathophysiological conditions including bacterial and viral infections, autoimmune disorders, inflammation, and cancer. We covered the aspects of S1P pathways in NOD/TLR pathways, bacterial and viral infections, autoimmune disorders, and tumor immunology. This implies that targeting S1P signaling can be used as a strategy to block these pathologies. Our current understanding of targeting various components of S1P signaling for therapeutic purposes and the present status of S1P pathway inhibitors or modulators in disease conditions where the host immune system plays a pivotal role is the primary focus of this review.
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Affiliation(s)
- Sabira Mohammed
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala State 695014, India
| | - Anu Bindu
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala State 695014, India
| | - Arun Viswanathan
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala State 695014, India; Manipal Academy of Higher Education (MAHE), Manipal 576104, India
| | - Kuzhuvelil B Harikumar
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology (RGCB), Thiruvananthapuram, Kerala State 695014, India.
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9
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Dixon CL, Wu A, Fairn GD. Multifaceted roles and regulation of nucleotide-binding oligomerization domain containing proteins. Front Immunol 2023; 14:1242659. [PMID: 37869013 PMCID: PMC10585062 DOI: 10.3389/fimmu.2023.1242659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 09/19/2023] [Indexed: 10/24/2023] Open
Abstract
Nucleotide-binding oligomerization domain-containing proteins, NOD1 and NOD2, are cytosolic receptors that recognize dipeptides and tripeptides derived from the bacterial cell wall component peptidoglycan (PGN). During the past two decades, studies have revealed several roles for NODs beyond detecting PGN fragments, including activation of an innate immune anti-viral response, NOD-mediated autophagy, and ER stress induced inflammation. Recent studies have also clarified the dynamic regulation of NODs at cellular membranes to generate specific and balanced immune responses. This review will describe how NOD1 and NOD2 detect microbes and cellular stress and detail the molecular mechanisms that regulate activation and signaling while highlighting new evidence and the impact on inflammatory disease pathogenesis.
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Affiliation(s)
| | - Amy Wu
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Gregory D. Fairn
- Department of Pathology, Dalhousie University, Halifax, NS, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
- Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS, Canada
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10
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Larochelle J, Tishko RJ, Yang C, Ge Y, Phan LT, Gunraj RE, Stansbury SM, Liu L, Mohamadzadeh M, Khoshbouei H, Candelario-Jalil E. Receptor-interacting protein kinase 2 (RIPK2) profoundly contributes to post-stroke neuroinflammation and behavioral deficits with microglia as unique perpetrators. J Neuroinflammation 2023; 20:221. [PMID: 37777791 PMCID: PMC10543871 DOI: 10.1186/s12974-023-02907-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 09/26/2023] [Indexed: 10/02/2023] Open
Abstract
BACKGROUND Receptor-interacting protein kinase 2 (RIPK2) is a serine/threonine kinase whose activity propagates inflammatory signaling through its association with pattern recognition receptors (PRRs) and subsequent TAK1, NF-κB, and MAPK pathway activation. After stroke, dead and dying cells release a host of damage-associated molecular patterns (DAMPs) that activate PRRs and initiate a robust inflammatory response. We hypothesize that RIPK2 plays a damaging role in the progression of stroke injury by enhancing the neuroinflammatory response to stroke and that global genetic deletion or microglia-specific conditional deletion of Ripk2 will be protective following ischemic stroke. METHODS Adult (3-6 months) male mice were subjected to 45 min of transient middle cerebral artery occlusion (tMCAO) followed by 24 h, 48 h, or 28 days of reperfusion. Aged male and female mice (18-24 months) were subjected to permanent ischemic stroke and sacrificed 48 h later. Infarct volumes were calculated using TTC staining (24-48 h) or Cresyl violet staining (28d). Sensorimotor tests (weight grip, vertical grid, and open field) were performed at indicated timepoints. Blood-brain barrier (BBB) damage, tight junction proteins, matrix metalloproteinase-9 (MMP-9), and neuroinflammatory markers were assessed via immunoblotting, ELISA, immunohistochemistry, and RT-qPCR. Differential gene expression profiles were generated through bulk RNA sequencing and nanoString®. RESULTS Global genetic deletion of Ripk2 resulted in decreased infarct sizes and reduced neuroinflammatory markers 24 h after stroke compared to wild-type controls. Ripk2 global deletion also improved both acute and long-term behavioral outcomes with powerful effects on reducing infarct volume and mortality at 28d post-stroke. Conditional deletion of microglial Ripk2 (mKO) partially recapitulated our results in global Ripk2 deficient mice, showing reductive effects on infarct volume and improved behavioral outcomes within 48 h of injury. Finally, bulk transcriptomic profiling and nanoString data demonstrated that Ripk2 deficiency in microglia decreases genes associated with MAPK and NF-κB signaling, dampening the neuroinflammatory response after stroke injury by reducing immune cell activation and peripheral immune cell invasion. CONCLUSIONS These results reveal a hitherto unknown role for RIPK2 in the pathogenesis of ischemic stroke injury, with microglia playing a distinct role. This study identifies RIPK2 as a potent propagator of neuroinflammatory signaling, highlighting its potential as a therapeutic target for post-stroke intervention.
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Affiliation(s)
- Jonathan Larochelle
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Ryland J Tishko
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Changjun Yang
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Yong Ge
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health, San Antonio, TX, USA
| | - Leah T Phan
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Rachel E Gunraj
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Sofia M Stansbury
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Lei Liu
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Mansour Mohamadzadeh
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health, San Antonio, TX, USA
| | - Habibeh Khoshbouei
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA
| | - Eduardo Candelario-Jalil
- Department of Neuroscience, McKnight Brain Institute, University of Florida, 1149 SW Newell Drive, Gainesville, FL, 32610, USA.
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11
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Zhi F, Li B, Zhang C, Xia F, Wang R, Xie W, Cai S, Zhang D, Kong R, Hu Y, Yang Y, Peng Y, Cui J. NLRP6 potentiates PI3K/AKT signalling by promoting autophagic degradation of p85α to drive tumorigenesis. Nat Commun 2023; 14:6069. [PMID: 37770465 PMCID: PMC10539329 DOI: 10.1038/s41467-023-41739-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 09/01/2023] [Indexed: 09/30/2023] Open
Abstract
The PI3K/AKT pathway plays an essential role in tumour development. NOD-like receptors (NLRs) regulate innate immunity and are implicated in cancer, but whether they are involved in PI3K/AKT pathway regulation is poorly understood. Here, we report that NLRP6 potentiates the PI3K/AKT pathway by binding and destabilizing p85α, the regulatory subunit of PI3K. Mechanistically, NLRP6 recruits the E3 ligase RBX1 to p85α and ubiquitinates lysine 256 on p85α, which is recognized by the autophagy cargo receptor OPTN, causing selective autophagic degradation of p85α and subsequent activation of the PI3K/AKT pathway by reducing PTEN stability. We further show that loss of NLRP6 suppresses cell proliferation, colony formation, cell migration, and tumour growth in glioblastoma cells in vitro and in vivo. Disruption of the NLRP6/p85α interaction using the Pep9 peptide inhibits the PI3K/AKT pathway and generates potent antitumour effects. Collectively, our results suggest that NLRP6 promotes p85α degradation via selective autophagy to drive tumorigenesis, and the interaction between NLRP6 and p85α can be a promising therapeutic target for tumour treatment.
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Affiliation(s)
- Feng Zhi
- Department of Neurosurgery, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Bowen Li
- Department of Neurosurgery, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Chuanxia Zhang
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Medical Research Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Fan Xia
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Rong Wang
- Department of Neurosurgery, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Weihong Xie
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Sihui Cai
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Dawei Zhang
- Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou, Jiangsu, China
| | - Ren Kong
- Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou, Jiangsu, China
| | - Yiqiao Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Medical School and School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Yilin Yang
- Department of Neurosurgery, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China
| | - Ya Peng
- Department of Neurosurgery, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
| | - Jun Cui
- Guangdong Province Key Laboratory of Pharmaceutical Functional Genes, MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, China.
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12
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Griffin ME, Tsukidate T, Hang HC. N-Arylpyrazole NOD2 Agonists Promote Immune Checkpoint Inhibitor Therapy. ACS Chem Biol 2023; 18:1368-1377. [PMID: 37172210 PMCID: PMC10578902 DOI: 10.1021/acschembio.3c00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The characterization of microbiota mechanisms in health and disease has reinvigorated pattern recognition receptors as prominent targets for immunotherapy. Notably, our recent studies on Enterococcus species revealed peptidoglycan remodeling and activation of NOD2 as key mechanisms for microbiota enhancement of immune checkpoint inhibitor therapy. Inspired by this work and other studies of NOD2 activation, we performed in silico ligand screening and developed N-arylpyrazole dipeptides as novel NOD2 agonists. Importantly, our N-arylpyrazole NOD2 agonist is enantiomer-specific and effective at promoting immune checkpoint inhibitor therapy and requires NOD2 for activity in vivo. Given the significant functions of NOD2 in innate and adaptive immunity, these next-generation agonists afford new therapeutic leads and adjuvants for a variety of NOD2-responsive diseases.
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Affiliation(s)
- Matthew E. Griffin
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037, USA
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
| | - Taku Tsukidate
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, USA
| | - Howard C. Hang
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037, USA
- Department of Chemistry, Scripps Research, La Jolla, CA 92037, USA
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13
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Wolf AJ. Peptidoglycan-induced modulation of metabolic and inflammatory responses. IMMUNOMETABOLISM (COBHAM, SURREY) 2023; 5:e00024. [PMID: 37128291 PMCID: PMC10144284 DOI: 10.1097/in9.0000000000000024] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 04/06/2023] [Indexed: 05/03/2023]
Abstract
Bacterial cell wall peptidoglycan is composed of innate immune ligands and, due to its important structural role, also regulates access to many other innate immune ligands contained within the bacteria. There is a growing body of literature demonstrating how innate immune recognition impacts the metabolic functions of immune cells and how metabolic changes are not only important to inflammatory responses but are often essential. Peptidoglycan is primarily sensed in the context of the whole bacteria during lysosomal degradation; consequently, the innate immune receptors for peptidoglycan are primarily intracellular cytosolic innate immune sensors. However, during bacterial growth, peptidoglycan fragments are shed and can be found in the bloodstream of humans and mice, not only during infection but also derived from the abundant bacterial component of the gut microbiota. These peptidoglycan fragments influence cells throughout the body and are important for regulating inflammation and whole-body metabolic function. Therefore, it is important to understand how peptidoglycan-induced signals in innate immune cells and cells throughout the body interact to regulate how the body responds to both pathogenic and nonpathogenic bacteria. This mini-review will highlight key research regarding how cellular metabolism shifts in response to peptidoglycan and how systemic peptidoglycan sensing impacts whole-body metabolic function.
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Affiliation(s)
- Andrea J. Wolf
- The Karsh Division of Gastroenterology and Hepatology, F. Widjaja Foundation Inflammatory Bowel Disease Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Research Division of Immunology, Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
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14
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English BC, Savage HP, Mahan SP, Diaz-Ochoa VE, Young BM, Abuaita BH, Sule G, Knight JS, O’Riordan MX, Bäumler AJ, Tsolis RM. The IRE1α-XBP1 Signaling Axis Promotes Glycolytic Reprogramming in Response to Inflammatory Stimuli. mBio 2023; 14:e0306822. [PMID: 36475773 PMCID: PMC9973330 DOI: 10.1128/mbio.03068-22] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 12/14/2022] Open
Abstract
Immune cells must be able to adjust their metabolic programs to effectively carry out their effector functions. Here, we show that the endoplasmic reticulum (ER) stress sensor Inositol-requiring enzyme 1 alpha (IRE1α) and its downstream transcription factor X box binding protein 1 (XBP1) enhance the upregulation of glycolysis in classically activated macrophages (CAMs). The IRE1α-XBP1 signaling axis supports this glycolytic switch in macrophages when activated by lipopolysaccharide (LPS) stimulation or infection with the intracellular bacterial pathogen Brucella abortus. Importantly, these different inflammatory stimuli have distinct mechanisms of IRE1α activation; while Toll-like receptor 4 (TLR4) supports glycolysis under both conditions, TLR4 is required for activation of IRE1α in response to LPS treatment but not B. abortus infection. Though IRE1α and XBP1 are necessary for maximal induction of glycolysis in CAMs, activation of this pathway is not sufficient to increase the glycolytic rate of macrophages, indicating that the cellular context in which this pathway is activated ultimately dictates the cell's metabolic response and that IRE1α activation may be a way to fine-tune metabolic reprogramming. IMPORTANCE The immune system must be able to tailor its response to different types of pathogens in order to eliminate them and protect the host. When confronted with bacterial pathogens, macrophages, frontline defenders in the immune system, switch to a glycolysis-driven metabolism to carry out their antibacterial functions. Here, we show that IRE1α, a sensor of ER stress, and its downstream transcription factor XBP1 support glycolysis in macrophages during infection with Brucella abortus or challenge with Salmonella LPS. Interestingly, these stimuli activate IRE1α by independent mechanisms. While the IRE1α-XBP1 signaling axis promotes the glycolytic switch, activation of this pathway is not sufficient to increase glycolysis in macrophages. This study furthers our understanding of the pathways that drive macrophage immunometabolism and highlights a new role for IRE1α and XBP1 in innate immunity.
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Affiliation(s)
- Bevin C. English
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Hannah P. Savage
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Scott P. Mahan
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Vladimir E. Diaz-Ochoa
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Briana M. Young
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Basel H. Abuaita
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA
| | - Gautam Sule
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Jason S. Knight
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Mary X. O’Riordan
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA
| | - Andreas J. Bäumler
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
| | - Renée M. Tsolis
- Department of Medical Microbiology and Immunology, University of California—Davis, Davis, California, USA
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15
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Kang Y, Sundaramoorthy P, Gasparetto C, Feinberg D, Fan S, Long G, Sellars E, Garrett A, Tuchman SA, Reeves BN, Li Z, Liu B, Ogretmen B, Maines L, Ben-Yair VK, Smith C, Plasse T. Phase I study of opaganib, an oral sphingosine kinase 2-specific inhibitor, in relapsed and/or refractory multiple myeloma. Ann Hematol 2023; 102:369-383. [PMID: 36460794 DOI: 10.1007/s00277-022-05056-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 11/13/2022] [Indexed: 12/04/2022]
Abstract
Multiple myeloma (MM) remains an incurable disease and there is an unmet medical need for novel therapeutic drugs that do not share similar mechanisms of action with currently available agents. Sphingosine kinase 2 (SK2) is an innovative molecular target for anticancer therapy. We previously reported that treatment with SK2 inhibitor opaganib inhibited myeloma tumor growth in vitro and in vivo in a mouse xenograft model. In the current study, we performed a phase I study of opaganib in patients with relapsed/refractory multiple myeloma (RRMM). Thirteen patients with RRMM previously treated with immunomodulatory agents and proteasome inhibitors were enrolled and treated with single-agent opaganib at three oral dosing regimens (250 mg BID, 500 mg BID, or 750 mg BID, 28 days as a cycle). Safety and maximal tolerated dose (MTD) were determined. Pharmacokinetics, pharmacodynamics, and correlative studies were also performed. Opaganib was well tolerated up to a dose of 750 mg BID. The most common possibly related adverse event (AE) was decreased neutrophil counts. There were no serious AEs considered to be related to opaganib. MTD was determined as at least 750 mg BID. On an intent-to-treat basis, one patient (7.7%) in the 500 mg BID dose cohort showed a very good partial response, and one other patient (7.7%) achieved stable disease for 3 months. SK2 is an innovative molecular target for antimyeloma therapy. The first-in-class SK2 inhibitor opaganib is generally safe for administration to RRMM patients, and has potential therapeutic activity in these patients. Clinicaltrials.gov: NCT02757326.
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Affiliation(s)
- Yubin Kang
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA.
| | - Pasupathi Sundaramoorthy
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Cristina Gasparetto
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Daniel Feinberg
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Shengjun Fan
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Gwynn Long
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Emily Sellars
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Anderson Garrett
- Division of Hematologic Malignancies and Cellular Therapy, Department of Medicine, Duke University Medical Center, 2400 Pratt Street, Suite 5000, Durham, NC, DUMC 396127710, USA
| | - Sascha A Tuchman
- Division of Hematology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Brandi N Reeves
- Division of Hematology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Zhiguo Li
- Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA
| | - Bei Liu
- Division of Hematology, Department of Internal Medicine, Ohio State University Comprehensive Cancer Center, Columbus, OH, USA
| | - Besim Ogretmen
- Department of Biochemistry and Molecular Biology, and Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Lynn Maines
- Apogee Biotechnology Corporation, Hummelstown, PA, USA
| | | | - Charles Smith
- Apogee Biotechnology Corporation, Hummelstown, PA, USA
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16
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Zhang Z, Zhang J, Zhao S, Peng T, Zhang M, Xu X, Li K, Liu Y. Synovial tissue metabolomics analysis of the therapeutic effects of stir-fried Xanthii Fructus on rheumatoid arthritis in rats. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1216:123594. [PMID: 36638684 DOI: 10.1016/j.jchromb.2023.123594] [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: 09/20/2022] [Revised: 11/23/2022] [Accepted: 01/04/2023] [Indexed: 01/07/2023]
Abstract
Rheumatoid arthritis (RA) is a rheumatic disease that easily causes synovial hyperplasia and joint damage. Comprehensive metabolomic profiling of synovial tissue can reveal local pathological changes during RA and identify metabolites as candidate biomarkers. Detecting metabolites in synovial tissue can more directly reflect the pathological state and disease activity associated with it. stir-fried Xanthii Fructus has demonstrated efficacy in treating RA, but its pharmacodynamic property and mechanism of action are unclear. In this study, the molecular composition of the extract of stir-fried Xanthium Fructus was determined through HPLC. The major components that exert anti-inflammatory and analgesic effects were speculated to be phenolic acids. Next, the effect of stir-fried Xanthii Fructus extracts in RA treatment was comprehensively evaluated using rat body weight, foot volume, inflammatory factors, and histopathological sections of the ankle joint as evaluation indicators. The results showed that the extract of stir-fried Xanthii Fructus could significantly reduce the inflammatory response and improve the degree of joint swelling and the imbalance between pro-inflammatory and anti-inflammatory in adjuvant arthritis rats. Finally, non-targeted metabolomics based on UPLC-Q-TOF/MS and multivariate statistical analysis were used to explore the changes of endogenous metabolites in synovium tissues and to search for potential biomarkers and related metabolic pathways in stir-fried Xanthii Fructus extract-treated AA rats. The results showed that stir-fried Xanthii Fructus mainly treated RA by regulating energy metabolism, hormone metabolism, amino acid metabolism and oxidative stress response in adjuvant arthritis rats. This study provides a theoretical basis for the mechanism of action of stir-fried Xanthii Fructus extract in treating RA.
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Affiliation(s)
- Zuohua Zhang
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China; Infection Control Section, Liaocheng People's Hospital, Liaocheng 252000, China
| | - Jinpeng Zhang
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China
| | - Shuo Zhao
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China
| | - Tingtao Peng
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China
| | - Mei Zhang
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China
| | - Xizhu Xu
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China
| | - Ke Li
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China.
| | - Yuanyuan Liu
- Department of Pharmaceutical Analysis, College of Pharmacy, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271099, China.
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17
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Griffin ME, Tsukidate T, Hang HC. N -arylpyrazole NOD2 agonists promote immune checkpoint inhibitor therapy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.26.525573. [PMID: 36747725 PMCID: PMC9901186 DOI: 10.1101/2023.01.26.525573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The characterization of microbiota mechanisms in health and disease has reinvigorated pattern recognition receptors as prominent targets for immunotherapy. Notably, our recent studies on Enterococcus species revealed peptidoglycan remodeling and activation of NOD2 as key mechanisms for microbiota enhancement of immune checkpoint inhibitor therapy. Inspired by this work and other studies of NOD2 activation, we performed in silico ligand screening and developed N -arylpyrazole dipeptides as novel NOD2 agonists. Importantly, our N -arylpyrazole NOD2 agonist is enantiomer-specific, effective at promoting immune checkpoint inhibitor therapy and requires NOD2 for activity in vivo . Given the significant functions of NOD2 in innate and adaptive immunity, these next-generation agonists afford new therapeutic leads and adjuvants for a variety of NOD2-responsive diseases.
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Affiliation(s)
- Matthew E. Griffin
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037
- Department of Chemistry, University of California, Irvine, Irvine, CA 92697
| | - Taku Tsukidate
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065
| | - Howard C. Hang
- Department of Immunology and Microbiology, Scripps Research, La Jolla, CA 92037
- Department of Chemistry, Scripps Research, La Jolla, CA 92037
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18
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Greco G, Zeppa SD, Agostini D, Attisani G, Stefanelli C, Ferrini F, Sestili P, Fimognari C. The Anti- and Pro-Tumorigenic Role of Microbiota and Its Role in Anticancer Therapeutic Strategies. Cancers (Basel) 2022; 15:190. [PMID: 36612186 PMCID: PMC9818275 DOI: 10.3390/cancers15010190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
Human gut microbiota physiologically and actively participates as a symbiont to a wide number of fundamental biological processes, such as absorption and metabolism of nutrients, regulation of immune response and inflammation; gut microbiota plays also an antitumor role. However, dysbiosis, resulting from a number of different situations-dysmicrobism, infections, drug intake, age, diet-as well as from their multiple combinations, may lead to tumorigenesis and is associated with approximately 20% of all cancers. In a diagnostic, prognostic, therapeutic, and epidemiological perspective, it is clear that the bifaceted role of microbiota needs to be thoroughly studied and better understood. Here, we discuss the anti- and pro-tumorigenic potential of gut and other microbiota districts along with the causes that may change commensal bacteria from friend to foes.
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Affiliation(s)
- Giulia Greco
- Department of Chemistry “Giacomo Ciamician”, University of Bologna, 40126 Bologna, Italy
| | - Sabrina Donati Zeppa
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Deborah Agostini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Giuseppe Attisani
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Claudio Stefanelli
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Fabio Ferrini
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Piero Sestili
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
| | - Carmela Fimognari
- Department for Life Quality Studies, University of Bologna, 47921 Rimini, Italy
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19
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Huang B, Gui M, Ni Z, He Y, Zhao J, Peng J, Lin J. Chemotherapeutic Drugs Induce Different Gut Microbiota Disorder Pattern and NOD/RIP2/NF-κB Signaling Pathway Activation That Lead to Different Degrees of Intestinal Injury. Microbiol Spectr 2022; 10:e0167722. [PMID: 36222691 PMCID: PMC9769542 DOI: 10.1128/spectrum.01677-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/20/2022] [Indexed: 02/07/2023] Open
Abstract
5-Fluorouracil (5-FU), irinotecan (CPT-11), oxaliplatin (L-OHP), and calcium folinate (CF) are widely used chemotherapeutic drugs to treat colorectal cancer. However, chemotherapeutic use is often accompanied by intestinal inflammation and gut microbiota disorder. Changes in gut microbiota may destroy the intestinal barrier, which contributes to the severity of intestinal injury. However, intestinal injury and gut microbiota disorder have yet to be compared among 5-FU, CPT-11, L-OHP, and CF in detail, thereby limiting the development of targeted detoxification therapy after chemotherapy. In this study, a model of chemotherapy-induced intestinal injury in tumor-bearing mice was established by intraperitoneally injecting chemotherapeutic drugs at a clinically equivalent dose. 16S rRNA gene sequencing was used to detect gut microbiota. We found that 5-FU, CPT-11, and l-OHP caused intestinal injury, inflammatory cytokine (gamma interferon [IFN-γ], tumor necrosis factor alpha [TNF-α], interleukin-1β [IL-1β], and IL-6) secretion, and gut microbiota disorder. We established a complex but clear network between the pattern of changes in gut microbiota and degree of intestinal damage induced by different chemotherapeutic drugs. L-OHP caused the most severe damage in the intestine and disorder of the gut microbiota and showed a considerable overlap of the pattern of changes in microbiota with 5-FU and CPT-11. Analysis by Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt v.1.0) showed that the microbiota disorder pattern induced by 5-FU, CPT-11, and L-OHP was related to the NOD-like signaling pathway. Therefore, we detected the protein expression of the NOD/RIP2/NF-κB signaling pathway and found that L-OHP most activated this pathway. Redundancy analysis/canonical correlation analysis (RDA/CCA) revealed that Bifidobacterium, Akkermansia, Allobaculum, Catenibacterium, Mucispirillum, Turicibacter, Helicobacter, Proteus, Escherichia Shigella, Alloprevotealla, Vagococcus, Streptococcus, and "Candidatus Saccharimonas" were highly correlated with the NOD/RIP2/NF-κB signaling pathway and influenced by chemotherapeutic drugs. IMPORTANCE Chemotherapy-induced intestinal injury limits the clinical use of drugs. Intestinal injury involves multiple signaling pathways and gut microbiota disruption. Our results suggested that the degree of intestinal injury caused by different drugs of the first-line colorectal chemotherapy regimen is related to the pattern of changes in microbiota. The activation of the NOD/RIP2/NF-κB signaling pathway was also related to the pattern of changes in microbiota. l-OHP caused the most severe damage to the intestine and showed a considerable overlap of the pattern of changes in microbiota with 5-FU and CPT-11. Thirteen bacterial genera were related to different levels of intestinal injury and correlated with the NOD/RIP2/NF-κB pathway. Here, we established a network of different chemotherapeutic drugs, gut microbiota, and the NOD/RIP2/NF-κB signaling pathway. This study likely provided a new basis for further elucidating the mechanism and clinical treatment of intestinal injury caused by chemotherapy.
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Affiliation(s)
- Bin Huang
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Mengxuan Gui
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Zhuona Ni
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Yanbin He
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Jinyan Zhao
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Jun Peng
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
| | - Jiumao Lin
- Academy of Integrative Medicine of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Fujian Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
- Key Laboratory of Integrative Medicine of Fujian Province University, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, People’s Republic of China
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20
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The role of NOD2 in intestinal immune response and microbiota modulation: A therapeutic target in inflammatory bowel disease. Int Immunopharmacol 2022; 113:109466. [DOI: 10.1016/j.intimp.2022.109466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/11/2022] [Accepted: 10/24/2022] [Indexed: 11/25/2022]
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21
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Pant A, Yao X, Lavedrine A, Viret C, Dockterman J, Chauhan S, Chong-Shan Shi, Manjithaya R, Cadwell K, Kufer TA, Kehrl JH, Coers J, Sibley LD, Faure M, Taylor GA, Chauhan S. Interactions of Autophagy and the Immune System in Health and Diseases. AUTOPHAGY REPORTS 2022; 1:438-515. [PMID: 37425656 PMCID: PMC10327624 DOI: 10.1080/27694127.2022.2119743] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Autophagy is a highly conserved process that utilizes lysosomes to selectively degrade a variety of intracellular cargo, thus providing quality control over cellular components and maintaining cellular regulatory functions. Autophagy is triggered by multiple stimuli ranging from nutrient starvation to microbial infection. Autophagy extensively shapes and modulates the inflammatory response, the concerted action of immune cells, and secreted mediators aimed to eradicate a microbial infection or to heal sterile tissue damage. Here, we first review how autophagy affects innate immune signaling, cell-autonomous immune defense, and adaptive immunity. Then, we discuss the role of non-canonical autophagy in microbial infections and inflammation. Finally, we review how crosstalk between autophagy and inflammation influences infectious, metabolic, and autoimmune disorders.
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Affiliation(s)
- Aarti Pant
- Autophagy Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
| | - Xiaomin Yao
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, New York, United States of America
- Department of Microbiology, New York University Grossman School of Medicine, New York, New York, United States of America
| | - Aude Lavedrine
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Christophe Viret
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Jake Dockterman
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
| | - Swati Chauhan
- Cell biology and Infectious diseases, Institute of Life Sciences, Bhubaneswar, India
| | - Chong-Shan Shi
- Laboratory of Immunoregulation, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Ravi Manjithaya
- Autophagy Laboratory, Molecular Biology and Genetics Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
- Neuroscience Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bengaluru, India
| | - Ken Cadwell
- Kimmel Center for Biology and Medicine at the Skirball Institute, New York University Grossman School of Medicine, New York, New York, United States of America
- Department of Microbiology, New York University Grossman School of Medicine, New York, New York, United States of America
- Division of Gastroenterology and Hepatology, Department of Medicine, New York University Grossman School of Medicine, New York, New York, United States of America
| | - Thomas A. Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - John H. Kehrl
- Laboratory of Immunoregulation, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Jörn Coers
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Genetics and Microbiology, Duke University, Medical Center, Durham, North Carolina, USA
| | - L. David Sibley
- Department of Molecular Microbiology, Washington University Sch. Med., St Louis, MO, 63110, USA
| | - Mathias Faure
- CIRI, Centre International de Recherche en Infectiologie, Université de Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, F-69007, Lyon, France
- Equipe Labellisée par la Fondation pour la Recherche Médicale, FRM
| | - Gregory A Taylor
- Department of Immunology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Genetics and Microbiology, Duke University, Medical Center, Durham, North Carolina, USA
- Department of Molecular Microbiology, Washington University Sch. Med., St Louis, MO, 63110, USA
- Geriatric Research, Education, and Clinical Center, VA Health Care Center, Durham, North Carolina, USA
- Departments of Medicine, Division of Geriatrics, and Center for the Study of Aging and Human Development, Duke University, Medical Center, Durham, North Carolina, USA
| | - Santosh Chauhan
- Cell biology and Infectious diseases, Institute of Life Sciences, Bhubaneswar, India
- CSIR–Centre For Cellular And Molecular Biology (CCMB), Hyderabad, Telangana
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22
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Omaru N, Watanabe T, Kamata K, Minaga K, Kudo M. Activation of NOD1 and NOD2 in the development of liver injury and cancer. Front Immunol 2022; 13:1004439. [PMID: 36268029 PMCID: PMC9577175 DOI: 10.3389/fimmu.2022.1004439] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Hepatocytes and liver-resident antigen-presenting cells are exposed to microbe-associated molecular patterns (MAMPs) and microbial metabolites, which reach the liver from the gut via the portal vein. MAMPs induce innate immune responses via the activation of pattern recognition receptors (PRRs), such as toll-like receptors (TLRs), nucleotide-binding oligomerization domain 1 (NOD1), and NOD2. Such proinflammatory cytokine responses mediated by PRRs likely contribute to the development of chronic liver diseases and hepatocellular carcinoma (HCC), as shown by the fact that activation of TLRs and subsequent production of IL-6 and TNF-α is required for the generation of chronic fibroinflammatory responses and hepatocarcinogenesis. Similar to TLRs, NOD1 and NOD2 recognize MAMPs derived from the intestinal bacteria. The association between the activation of NOD1/NOD2 and chronic liver diseases is poorly understood. Given that NOD1 and NOD2 can regulate proinflammatory cytokine responses mediated by TLRs both positively and negatively, it is likely that sensing of MAMPs by NOD1 and NOD2 affects the development of chronic liver diseases, including HCC. Indeed, recent studies have highlighted the importance of NOD1 and NOD2 activation in chronic liver disorders. Here, we summarize the roles of NOD1 and NOD2 in hepatocarcinogenesis and liver injury.
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23
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Alvarez-Simon D, Ait Yahia S, de Nadai P, Audousset C, Chamaillard M, Boneca IG, Tsicopoulos A. NOD-like receptors in asthma. Front Immunol 2022; 13:928886. [PMID: 36189256 PMCID: PMC9515552 DOI: 10.3389/fimmu.2022.928886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/23/2022] [Indexed: 12/28/2022] Open
Abstract
Asthma is an extremely prevalent chronic inflammatory disease of the airway where innate and adaptive immune systems participate collectively with epithelial and other structural cells to cause airway hyperresponsiveness, mucus overproduction, airway narrowing, and remodeling. The nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are a family of intracellular innate immune sensors that detect microbe-associated molecular patterns and damage-associated molecular patterns, well-recognized for their central roles in the maintenance of tissue homeostasis and host defense against bacteria, viruses and fungi. In recent times, NLRs have been increasingly acknowledged as much more than innate sensors and have emerged also as relevant players in diseases classically defined by their adaptive immune responses such as asthma. In this review article, we discuss the current knowledge and recent developments about NLR expression, activation and function in relation to asthma and examine the potential interventions in NLR signaling as asthma immunomodulatory therapies.
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Affiliation(s)
- Daniel Alvarez-Simon
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Saliha Ait Yahia
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Patricia de Nadai
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Camille Audousset
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
| | - Mathias Chamaillard
- Laboratory of Cell Physiology, INSERM U1003, University of Lille, Lille, France
| | - Ivo Gomperts Boneca
- Institut Pasteur, Université Paris Cité, CNRS UMR 6047, INSERM U1306, Unité Biologie et génétique de la paroi bactérienne, Paris, France
| | - Anne Tsicopoulos
- Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017-CIIL-Centre d’Infection et d’Immunité de Lille, Lille, France
- *Correspondence: Anne Tsicopoulos,
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24
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Xie D, Hu G, Chen C, Ahmadinejad F, Wang W, Li PL, Gewirtz DA, Li N. Loss of sphingosine kinase 2 protects against cisplatin-induced kidney injury. Am J Physiol Renal Physiol 2022; 323:F322-F334. [PMID: 35834271 PMCID: PMC9394771 DOI: 10.1152/ajprenal.00229.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 06/23/2022] [Accepted: 07/07/2022] [Indexed: 01/01/2023] Open
Abstract
Cisplatin is an established chemotherapeutic drug for treatment of solid-organ cancers and is the primary drug used in the treatment of head and neck cancer; however, cisplatin-induced nephrotoxicity largely limits its clinical use. Inhibition of sphingosine kinase 2 (SphK2) has been demonstrated to alleviate various kidney diseases. Therefore, we hypothesized that inhibition of SphK2 could also protect against cisplatin-induced nephrotoxicity. Results from the present study showed that the SphK2 inhibitor ABC294640 or knockdown of SphK2 by siRNA blocked the cisplatin-induced increase of cellular injury markers (neutrophil gelatinase-associated lipocalin, kidney injury molecule-1, and cleaved caspase-3) by Western blot analysis in HK-2 cells, a human renal tubular cell line. In addition, SphK2 inhibition blocked cisplatin-induced activation of NF-κB by Western blot analysis and immunostaining analysis. Furthermore, SphK2 inhibition suppressed cisplatin-induced increases of proinflammatory markers (NLR family pyrin domain containing 3, interleukin-1β, and interleukin-6). Genetic deletion of the SphK2 gene in mice further confirmed that inhibition of SphK2 protected against cisplatin-induced kidney damage in vivo. Compared with wild-type mice, SphK2 knockout mice exhibited less renal dysfunction and reduced promotion of kidney injury markers, inflammatory factors, tubular morphology damage, and fibrotic staining. At the same time, the SphK2 inhibitor ABC294640 failed to interfere with the activity of cisplatin or radiation in two cell culture models of head and neck cancer. It is concluded that inhibition of Sphk2 protects against cisplatin-induced kidney injury. SphK2 may be used as a potential therapeutic target for the prevention or treatment of cisplatin-induced kidney injury.NEW & NOTEWORTHY The present study provides new findings that sphingosine kinase 2 (SphK2) is highly expressed in renal tubules, cisplatin treatment increases the expression of SphK2 in proximal tubular cells and kidneys, and inhibition of SphK2 alleviates cisplatin-induced kidney injury by suppressing the activation of NF-κB, production of inflammatory factors, and apoptosis. SphK2 may serve as a potential therapeutic target for the prevention or treatment of cisplatin-induced nephrotoxicity.
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Affiliation(s)
- Dengpiao Xie
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Gaizun Hu
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Chaoling Chen
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Fereshteh Ahmadinejad
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Weili Wang
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Pin-Lan Li
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - David A Gewirtz
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
| | - Ningjun Li
- Department of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia
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25
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Innate Immunity Mechanisms in Marine Multicellular Organisms. Mar Drugs 2022; 20:md20090549. [PMID: 36135738 PMCID: PMC9505182 DOI: 10.3390/md20090549] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 11/27/2022] Open
Abstract
The innate immune system provides an adequate response to stress factors and pathogens through pattern recognition receptors (PRRs), located on the surface of cell membranes and in the cytoplasm. Generally, the structures of PRRs are formed by several domains that are evolutionarily conserved, with a fairly high degree of homology in representatives of different species. The orthologs of TLRs, NLRs, RLRs and CLRs are widely represented, not only in marine chordates, but also in invertebrates. Study of the interactions of the most ancient marine multicellular organisms with microorganisms gives us an idea of the evolution of molecular mechanisms of protection against pathogens and reveals new functions of already known proteins in ensuring the body’s homeostasis. The review discusses innate immunity mechanisms of protection of marine invertebrate organisms against infections, using the examples of ancient multicellular hydroids, tunicates, echinoderms, and marine worms in the context of searching for analogies with vertebrate innate immunity. Due to the fact that mucous membranes first arose in marine invertebrates that have existed for several hundred million years, study of their innate immune system is both of fundamental importance in terms of understanding molecular mechanisms of host defense, and of practical application, including the search of new antimicrobial agents for subsequent use in medicine, veterinary and biotechnology.
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26
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Kienes I, Johnston EL, Bitto NJ, Kaparakis-Liaskos M, Kufer TA. Bacterial subversion of NLR-mediated immune responses. Front Immunol 2022; 13:930882. [PMID: 35967403 PMCID: PMC9367220 DOI: 10.3389/fimmu.2022.930882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/04/2022] [Indexed: 11/23/2022] Open
Abstract
Members of the mammalian Nod-like receptor (NLR) protein family are important intracellular sensors for bacteria. Bacteria have evolved under the pressure of detection by host immune sensing systems, leading to adaptive subversion strategies to dampen immune responses for their benefits. These include modification of microbe-associated molecular patterns (MAMPs), interception of innate immune pathways by secreted effector proteins and sophisticated instruction of anti-inflammatory adaptive immune responses. Here, we summarise our current understanding of subversion strategies used by bacterial pathogens to manipulate NLR-mediated responses, focusing on the well-studied members NOD1/2, and the inflammasome forming NLRs NLRC4, and NLRP3. We discuss how bacterial pathogens and their products activate these NLRs to promote inflammation and disease and the range of mechanisms used by bacterial pathogens to evade detection by NLRs and to block or dampen NLR activation to ultimately interfere with the generation of host immunity. Moreover, we discuss how bacteria utilise NLRs to facilitate immunotolerance and persistence in the host and outline how various mechanisms used to attenuate innate immune responses towards bacterial pathogens can also aid the host by reducing immunopathologies. Finally, we describe the therapeutic potential of harnessing immune subversion strategies used by bacteria to treat chronic inflammatory conditions.
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Affiliation(s)
- Ioannis Kienes
- Department of Immunology, University of Hohenheim, Stuttgart, Germany
| | - Ella L. Johnston
- Department of Microbiology, Anatomy, Physiology and Pharmacology, La Trobe University, Melbourne, VIC, Australia
- Research Centre for Extracellular Vesicles, La Trobe University, Melbourne, VIC, Australia
| | - Natalie J. Bitto
- Department of Microbiology, Anatomy, Physiology and Pharmacology, La Trobe University, Melbourne, VIC, Australia
- Research Centre for Extracellular Vesicles, La Trobe University, Melbourne, VIC, Australia
| | - Maria Kaparakis-Liaskos
- Department of Microbiology, Anatomy, Physiology and Pharmacology, La Trobe University, Melbourne, VIC, Australia
- Research Centre for Extracellular Vesicles, La Trobe University, Melbourne, VIC, Australia
| | - Thomas A. Kufer
- Department of Immunology, University of Hohenheim, Stuttgart, Germany
- *Correspondence: Thomas A. Kufer,
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27
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Gabanyi I, Lepousez G, Wheeler R, Vieites-Prado A, Nissant A, Wagner S, Moigneu C, Dulauroy S, Hicham S, Polomack B, Verny F, Rosenstiel P, Renier N, Boneca IG, Eberl G, Lledo PM, Chevalier G. Bacterial sensing via neuronal Nod2 regulates appetite and body temperature. Science 2022; 376:eabj3986. [PMID: 35420957 DOI: 10.1126/science.abj3986] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Gut bacteria influence brain functions and metabolism. We investigated whether this influence can be mediated by direct sensing of bacterial cell wall components by brain neurons. In mice, we found that bacterial peptidoglycan plays a major role in mediating gut-brain communication via the Nod2 receptor. Peptidoglycan-derived muropeptides reach the brain and alter the activity of a subset of brain neurons that express Nod2. Activation of Nod2 in hypothalamic inhibitory neurons is essential for proper appetite and body temperature control, primarily in females. This study identifies a microbe-sensing mechanism that regulates feeding behavior and host metabolism.
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Affiliation(s)
- Ilana Gabanyi
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
- Institut Pasteur, Université Paris Cité, INSERM U1224, Microenvironment and Immunity Unit, F-75015 Paris, France
| | - Gabriel Lepousez
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
| | - Richard Wheeler
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, INSERM U1306, Biology and Genetics of the Bacterial Cell Wall Unit, F-75015 Paris, France
| | - Alba Vieites-Prado
- Sorbonne Université, Paris Brain Institute-ICM, INSERM U1127, CNRS UMR7225, AP-HP, Hôpital de la Pitié Salpêtrière, F-75013 Paris, France
| | - Antoine Nissant
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
| | - Sébastien Wagner
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
| | - Carine Moigneu
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
| | - Sophie Dulauroy
- Institut Pasteur, Université Paris Cité, INSERM U1224, Microenvironment and Immunity Unit, F-75015 Paris, France
| | - Samia Hicham
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, INSERM U1306, Biology and Genetics of the Bacterial Cell Wall Unit, F-75015 Paris, France
| | - Bernadette Polomack
- Institut Pasteur, Université Paris Cité, INSERM U1224, Microenvironment and Immunity Unit, F-75015 Paris, France
| | - Florine Verny
- Sorbonne Université, Paris Brain Institute-ICM, INSERM U1127, CNRS UMR7225, AP-HP, Hôpital de la Pitié Salpêtrière, F-75013 Paris, France
| | - Philip Rosenstiel
- Institute of Clinical Molecular Biology, Christian-Albrechts-Universität zu Kiel and University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
| | - Nicolas Renier
- Sorbonne Université, Paris Brain Institute-ICM, INSERM U1127, CNRS UMR7225, AP-HP, Hôpital de la Pitié Salpêtrière, F-75013 Paris, France
| | - Ivo Gomperts Boneca
- Institut Pasteur, Université Paris Cité, CNRS UMR6047, INSERM U1306, Biology and Genetics of the Bacterial Cell Wall Unit, F-75015 Paris, France
| | - Gérard Eberl
- Institut Pasteur, Université Paris Cité, INSERM U1224, Microenvironment and Immunity Unit, F-75015 Paris, France
| | - Pierre-Marie Lledo
- Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Perception and Memory Unit, F-75015 Paris, France
| | - Grégoire Chevalier
- Institut Pasteur, Université Paris Cité, INSERM U1224, Microenvironment and Immunity Unit, F-75015 Paris, France
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28
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Chithelen J, Franke H, Länder N, Grafen A, Schneider-Schaulies J. The Sphingolipid Inhibitors Ceranib-2 and SKI-II Reduce Measles Virus Replication in Primary Human Lymphocytes: Effects on mTORC1 Downstream Signaling. Front Physiol 2022; 13:856143. [PMID: 35370781 PMCID: PMC8968423 DOI: 10.3389/fphys.2022.856143] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 02/28/2022] [Indexed: 11/14/2022] Open
Abstract
The bioactive sphingolipids ceramide and sphingosine-1-phosphate (S1P) are involved in the regulation of cell homeostasis and activity ranging from apoptosis to proliferation. We recently described that the two compounds ceranib-2 (inhibiting acid ceramidase) and SKI-II [inhibiting the sphingosine kinases 1 and − 2 (SphK1/2)] reduce mTORC1 activity and measles virus (MV) replication in human primary peripheral blood lymphocytes (PBL) by about one log step. We now further investigated whether mTORC1 downstream signaling and viral protein expression may be affected by ceranib-2 and/or SKI-II. Western blot analyses showed that in uninfected cells the phosphorylation of the eukaryotic initiation factor 4E (eIF4E) was reduced by both inhibitors. Interestingly, MV infection led to an increase of rpS6 protein levels and phosphorylation of eIF4E. Treatment with both inhibitors reduced the rpS6 protein expression, and in addition, SKI-II reduced rpS6 phosphorylation. The phosphorylation of eIF4E was slightly reduced by both inhibitors. In addition, SKI-II led to reduced levels of IKK in MV-infected cells. Both inhibitors reduced the expression of viral proteins and the titers of newly synthesized MV by approximately one log step. As expected, SKI-II and rapamycin reduced also the virally encoded GFP expression; however, ceranib-2 astonishingly led to increased levels of GFP fluorescence. Our findings suggest that the inhibitors ceranib-2 and SKI-II act via differential mechanisms on MV replication. The observed effects on mTORC1 downstream signaling, predominantly the reduction of rpS6 levels by both inhibitors, may affect the translational capacity of the cells and contribute to the antiviral effect in human primary PBL.
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Ghalandary M, Li Y, Fröhlich T, Magg T, Liu Y, Rohlfs M, Hollizeck S, Conca R, Schwerd T, Uhlig HH, Bufler P, Koletzko S, Muise AM, Snapper SB, Hauck F, Klein C, Kotlarz D. Valosin-containing protein-regulated endoplasmic reticulum stress causes NOD2-dependent inflammatory responses. Sci Rep 2022; 12:3906. [PMID: 35273242 PMCID: PMC8913691 DOI: 10.1038/s41598-022-07804-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 02/24/2022] [Indexed: 11/24/2022] Open
Abstract
NOD2 polymorphisms may affect sensing of the bacterial muramyl dipeptide (MDP) and trigger perturbed inflammatory responses. Genetic screening of a patient with immunodeficiency and enteropathy revealed a rare homozygous missense mutation in the first CARD domain of NOD2 (ENST00000300589; c.160G > A, p.E54K). Biochemical assays confirmed impaired NOD2-dependent signaling and proinflammatory cytokine production in patient's cells and heterologous cellular models with overexpression of the NOD2 mutant. Immunoprecipitation-coupled mass spectrometry unveiled the ATPase valosin-containing protein (VCP) as novel interaction partner of wildtype NOD2, while the binding to the NOD2 variant p.E54K was abrogated. Knockdown of VCP in coloncarcinoma cells led to impaired NF-κB activity and IL8 expression upon MDP stimulation. In contrast, tunicamycin-induced ER stress resulted in increased IL8, CXCL1, and CXCL2 production in cells with knockdown of VCP, while enhanced expression of these proinflammatory molecules was abolished upon knockout of NOD2. Taken together, these data suggest that VCP-mediated inflammatory responses upon ER stress are NOD2-dependent.
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Affiliation(s)
- Maryam Ghalandary
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Yue Li
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Thomas Fröhlich
- Laboratory for Functional Genome Analysis (LAFUGA), Gene Center, LMU Munich, Munich, Germany
| | - Thomas Magg
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Yanshan Liu
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Meino Rohlfs
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Sebastian Hollizeck
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Raffaele Conca
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Tobias Schwerd
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Holm H Uhlig
- Translational Gastroenterology Unit and Department of Pediatrics, and Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Philip Bufler
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
- Department of Pediatric Gastroenterology, Nephrology and Metabolic Diseases, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin, Berlin, Germany
| | - Sibylle Koletzko
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
- Department of Pediatrics, School of Medicine Collegium, Medicum University of Warmia and Mazury, Olsztyn, Poland
| | - Aleixo M Muise
- SickKids Inflammatory Bowel Disease Center, Research Institute, Hospital for Sick Children, Toronto, ON, M5G1X8, Canada
- Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, ON, M5G1X8, Canada
- VEO-IBD Consortium, University Hospital, LMU Munich, 80337, Munich, Germany
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, ON, M5G1X8, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON, M5G1A8, Canada
| | - Scott B Snapper
- VEO-IBD Consortium, University Hospital, LMU Munich, 80337, Munich, Germany
- Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, MA, 02115, USA
- Department of Medicine, Harvard Medical School, Boston, MA, 02115, USA
- Division of Gastroenterology, Brigham and Women's Hospital, Boston, MA, 02115, USA
| | - Fabian Hauck
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
| | - Christoph Klein
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany
- VEO-IBD Consortium, University Hospital, LMU Munich, 80337, Munich, Germany
- Gene Center, LMU Munich, Munich, Germany
- Deutsche Zentrum für Infektionsforschung (DZIF), Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Daniel Kotlarz
- Dr. von Hauner Children's Hospital, Department of Pediatrics, University Hospital, Ludwig-Maximilians-Universität (LMU) Munich, 80337, Munich, Germany.
- VEO-IBD Consortium, University Hospital, LMU Munich, 80337, Munich, Germany.
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Arnold C, Ellwanger K, Kufer TA. Analysis of the Localization of NLRs upon Shigella flexneri Infection Exemplified by NOD1. Methods Mol Biol 2022; 2421:37-56. [PMID: 34870810 DOI: 10.1007/978-1-0716-1944-5_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
NOD-like receptors (NLRs) are a family of pattern recognition receptors, able to respond to conserved microbial structures and endogenous danger signals. The NLR NOD1 responds to bacterial peptidoglycan, leading to recruitment of RIPK2, following activation of NFκB and MAPK pathways. In this chapter, we describe a fluorescent light microscopic approach to analyze the subcellular distribution of NOD1 upon infection with the invasive, Gram-negative bacterial pathogen Shigella flexneri. This method is based on exogenously expressed EGFP-tagged NOD1 and describes a protocol to obtain inducible cell lines with functional NOD1 signaling. The described protocol is useful to study NOD1 function, also in living cells, using live cell imaging and can be adopted for the study of other NLR proteins.
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Affiliation(s)
- Christine Arnold
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Kornelia Ellwanger
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
| | - Thomas A Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany.
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31
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Kufer TA, Kaparakis-Liaskos M. A Brief Introduction to Effector-Triggered Immunity. Methods Mol Biol 2022; 2523:1-8. [PMID: 35759187 DOI: 10.1007/978-1-0716-2449-4_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Detection of microbes by the host is essential to restrict microbial colonization, to clear pathogens, and to mount adapted defense reactions, and thus is the key function of the innate immune systems of plants and mammals. Here we provide an introduction into pathogen recognition by the innate immune system of both plants and animals. We will particularly focus on the concept of effector-triggered immunity, and similarities and differences in its function between plants and animals.
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Affiliation(s)
- Thomas A Kufer
- Department of Immunology, Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany.
| | - Maria Kaparakis-Liaskos
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Melbourne, VIC, Australia
- Research Centre for Extracellular Vesicles, School of Molecular Sciences, La Trobe University, Melbourne, VIC, Australia
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32
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Pei G. Identification of Novel Endogenous NOD Ligands: Quantitative Analysis of Binding Affinities of NOD1 or NOD2 with Sphingosine-1-Phosphate Using Microscale Thermophoresis. Methods Mol Biol 2022; 2523:151-160. [PMID: 35759196 DOI: 10.1007/978-1-0716-2449-4_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Nucleotide binding oligomerization domain-containing protein 1 (NOD1) and NOD2 have been identified as intracellular receptors for bacterial peptidoglycan for almost two decades; however, the direct binding with their respective ligands has only been recently demonstrated due to the difficulty of achieving large quantity of proteins with high purity. Here we describe a strategy combining immunoprecipitation of GFP-tagged proteins and microscale thermophoresis (MST) for efficient one-step purification of NOD1-GFP and NOD2-GFP and easy measurement of the binding affinities of NOD1 or NOD2 with sphingosine-1-phosphate (S1P) using small amount of proteins (nM range). This method will allow the identification of novel agonists/antagonists for NOD1/2.
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Affiliation(s)
- Gang Pei
- Institute for Immunology, Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany.
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33
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Salova M, Sipos W, Tschachler E, Eckhart L. NOD2 and reproduction-associated NOD-like receptors have been lost during the evolution of pangolins. Immunogenetics 2021; 74:261-268. [PMID: 34725731 PMCID: PMC8560141 DOI: 10.1007/s00251-021-01230-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 10/20/2021] [Indexed: 12/14/2022]
Abstract
NOD-like receptors (NLRs) are sensors of pathogen-associated molecular patterns with critical roles in the control of immune responses and programmed cell death. Recent studies have revealed inter-species differences in mammalian innate immune genes and a particular degeneration of nucleic acid sensing pathways in pangolins, which are currently investigated as potential hosts for zoonotic pathogens. Here, we used comparative genomics to determine which NLR genes are conserved or lost in pangolins and related mammals. We show that NOD2, which is implicated in sensing bacterial muramyl dipeptide and viral RNA, is a pseudogene in pangolins, but not in any other mammalian species investigated. NLRC4 and NAIP are absent in pangolins and canine carnivorans, suggesting convergent loss of cytoplasmic sensing of bacterial flagellin in these taxa. Among NLR family pyrin domain containing proteins (NLRPs), skin barrier-related NLRP10 has been lost in pangolins after the evolutionary divergence from Carnivora. Strikingly, pangolins lack all NLRPs associated with reproduction (germ cells and embryonic development) in other mammals, i.e., NLRP2, 4, 5, 7, 8, 9, 11, 13, and 14. Taken together, our study shows a massive degeneration of NLR genes in pangolins and suggests that these endangered mammals may have unique adaptations of innate immunity and reproductive cell biology.
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Affiliation(s)
- Margarita Salova
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Wolfgang Sipos
- Clinical Department for Farm Animals and Herd Management, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Erwin Tschachler
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Leopold Eckhart
- Department of Dermatology, Medical University of Vienna, Vienna, Austria.
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Avota E, Bodem J, Chithelen J, Mandasari P, Beyersdorf N, Schneider-Schaulies J. The Manifold Roles of Sphingolipids in Viral Infections. Front Physiol 2021; 12:715527. [PMID: 34658908 PMCID: PMC8511394 DOI: 10.3389/fphys.2021.715527] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Sphingolipids are essential components of eukaryotic cells. In this review, we want to exemplarily illustrate what is known about the interactions of sphingolipids with various viruses at different steps of their replication cycles. This includes structural interactions during entry at the plasma membrane or endosomal membranes, early interactions leading to sphingolipid-mediated signal transduction, interactions with internal membranes and lipids during replication, and interactions during virus assembly and budding. Targeted interventions in sphingolipid metabolism - as far as they can be tolerated by cells and organisms - may open novel possibilities to support antiviral therapies. Human immunodeficiency virus type 1 (HIV-1) infections have intensively been studied, but for other viral infections, such as influenza A virus (IAV), measles virus (MV), hepatitis C virus (HCV), dengue virus, Ebola virus, and severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), investigations are still in their beginnings. As many inhibitors of sphingolipid metabolism are already in clinical use against other diseases, repurposing studies for applications in some viral infections appear to be a promising approach.
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Affiliation(s)
- Elita Avota
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Jochen Bodem
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Janice Chithelen
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Putri Mandasari
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Niklas Beyersdorf
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
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35
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Lu Y, Neculai D. Sphingosine-1-phosphate: The missing link between NOD1/2 and ER stress. EMBO J 2021; 40:e108812. [PMID: 34132411 PMCID: PMC8246060 DOI: 10.15252/embj.2021108812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 05/31/2021] [Indexed: 11/09/2022] Open
Abstract
The cytosolic NOD1 and NOD2 pattern recognition receptors are typically known as sensors of bacterial peptidoglycan fragments. A new study in this issue links NOD1/2 activation with ER homeostasis through the bioactive metabolite sphingosine-1-phosphate (S1P).
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Affiliation(s)
- Yan Lu
- Life Science InstituteZhejiang UniversityHangzhouChina
| | - Dante Neculai
- Department of Cell BiologyDepartment of Pathology Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhouChina
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36
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Pei G, Dorhoi A. NOD-Like Receptors: Guards of Cellular Homeostasis Perturbation during Infection. Int J Mol Sci 2021; 22:ijms22136714. [PMID: 34201509 PMCID: PMC8268748 DOI: 10.3390/ijms22136714] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/14/2021] [Accepted: 06/18/2021] [Indexed: 12/30/2022] Open
Abstract
The innate immune system relies on families of pattern recognition receptors (PRRs) that detect distinct conserved molecular motifs from microbes to initiate antimicrobial responses. Activation of PRRs triggers a series of signaling cascades, leading to the release of pro-inflammatory cytokines, chemokines and antimicrobials, thereby contributing to the early host defense against microbes and regulating adaptive immunity. Additionally, PRRs can detect perturbation of cellular homeostasis caused by pathogens and fine-tune the immune responses. Among PRRs, nucleotide binding oligomerization domain (NOD)-like receptors (NLRs) have attracted particular interest in the context of cellular stress-induced inflammation during infection. Recently, mechanistic insights into the monitoring of cellular homeostasis perturbation by NLRs have been provided. We summarize the current knowledge about the disruption of cellular homeostasis by pathogens and focus on NLRs as innate immune sensors for its detection. We highlight the mechanisms employed by various pathogens to elicit cytoskeleton disruption, organelle stress as well as protein translation block, point out exemplary NLRs that guard cellular homeostasis during infection and introduce the concept of stress-associated molecular patterns (SAMPs). We postulate that integration of information about microbial patterns, danger signals, and SAMPs enables the innate immune system with adequate plasticity and precision in elaborating responses to microbes of variable virulence.
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Affiliation(s)
- Gang Pei
- Institute of Immunology, Friedrich-Loeffler-Institut, 17493 Greifswald, Germany
- Correspondence: (G.P.); (A.D.)
| | - Anca Dorhoi
- Institute of Immunology, Friedrich-Loeffler-Institut, 17493 Greifswald, Germany
- Faculty of Mathematics and Natural Sciences, University of Greifswald, 17489 Greifswald, Germany
- Correspondence: (G.P.); (A.D.)
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37
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Avota E, Bodem J, Chithelen J, Mandasari P, Beyersdorf N, Schneider-Schaulies J. The Manifold Roles of Sphingolipids in Viral Infections. Front Physiol 2021. [PMID: 34658908 DOI: 10.3389/fphys.2021.71552] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
Sphingolipids are essential components of eukaryotic cells. In this review, we want to exemplarily illustrate what is known about the interactions of sphingolipids with various viruses at different steps of their replication cycles. This includes structural interactions during entry at the plasma membrane or endosomal membranes, early interactions leading to sphingolipid-mediated signal transduction, interactions with internal membranes and lipids during replication, and interactions during virus assembly and budding. Targeted interventions in sphingolipid metabolism - as far as they can be tolerated by cells and organisms - may open novel possibilities to support antiviral therapies. Human immunodeficiency virus type 1 (HIV-1) infections have intensively been studied, but for other viral infections, such as influenza A virus (IAV), measles virus (MV), hepatitis C virus (HCV), dengue virus, Ebola virus, and severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2), investigations are still in their beginnings. As many inhibitors of sphingolipid metabolism are already in clinical use against other diseases, repurposing studies for applications in some viral infections appear to be a promising approach.
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Affiliation(s)
- Elita Avota
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Jochen Bodem
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Janice Chithelen
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Putri Mandasari
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
| | - Niklas Beyersdorf
- Institute for Virology and Immunobiology, University of Würzburg, Würzburg, Germany
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