1
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Wood K, Nussbaum D, Martz C, Waters A, Barrera A, Rutter J, Cerda-Smith C, Stewart A, Wu C, Cakir M, Levandowski C, Kantrowitz D, McCall S, Pierobon M, Petricoin E, Smith J, Der C, Taatjes D. Mediator Kinase Inhibition Impedes Transcriptional Plasticity and Prevents Resistance to ERK/MAPK-Targeted Therapy in KRAS-Mutant Cancers. RESEARCH SQUARE 2023:rs.3.rs-3511242. [PMID: 37961649 PMCID: PMC10635398 DOI: 10.21203/rs.3.rs-3511242/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Acquired resistance remains a major challenge for therapies targeting oncogene activated pathways. KRAS is the most frequently mutated oncogene in human cancers, yet strategies targeting its downstream signaling kinases have failed to produce durable treatment responses. Here, we developed multiple models of acquired resistance to dual-mechanism ERK/MAPK inhibitors across KRAS-mutant pancreatic, colorectal, and lung cancers, and then probed the long-term events enabling survival against this class of drugs. These studies revealed that resistance emerges secondary to large-scale transcriptional adaptations that are diverse and cell line-specific. Transcriptional reprogramming extends beyond the well-established early response, and instead represents a dynamic, evolved process that is refined to attain a stably resistant phenotype. Mechanistic and translational studies reveal that resistance to dual-mechanism ERK/MAPK inhibition is broadly susceptible to manipulation of the epigenetic machinery, and that Mediator kinase, in particular, can be co-targeted at a bottleneck point to prevent diverse, cell line-specific resistance programs.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Chao Wu
- Memorial Sloan Kettering Cancer Center
| | | | | | | | | | - Mariaelena Pierobon
- Center for Applied Proteomics and Molecular Medicine, George Mason University
| | | | - J Smith
- Memorial Sloan Kettering Cancer Center
| | - Channing Der
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill
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2
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Sun C, Janjic Rankovic M, Folwaczny M, Stocker T, Otto S, Wichelhaus A, Baumert U. Effect of Different Parameters of In Vitro Static Tensile Strain on Human Periodontal Ligament Cells Simulating the Tension Side of Orthodontic Tooth Movement. Int J Mol Sci 2022; 23:ijms23031525. [PMID: 35163446 PMCID: PMC8835937 DOI: 10.3390/ijms23031525] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/21/2022] [Accepted: 01/26/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to investigate the effects of different magnitudes and durations of static tensile strain on human periodontal ligament cells (hPDLCs), focusing on osteogenesis, mechanosensing and inflammation. Static tensile strain magnitudes of 0%, 3%, 6%, 10%, 15% and 20% were applied to hPDLCs for 1, 2 and 3 days. Cell viability was confirmed via live/dead cell staining. Reference genes were tested by reverse transcription quantitative real-time polymerase chain reaction (RT-qPCR) and assessed. The expressions of TNFRSF11B, ALPL, RUNX2, BGLAP, SP7, FOS, IL6, PTGS2, TNF, IL1B, IL8, IL10 and PGE2 were analyzed by RT-qPCR and/or enzyme-linked immunosorbent assay (ELISA). ALPL and RUNX2 both peaked after 1 day, reaching their maximum at 3%, whereas BGLAP peaked after 3 days with its maximum at 10%. SP7 peaked after 1 day at 6%, 10% and 15%. FOS peaked after 3 days with its maximum at 3%, 6% and 15%. The expressions of IL6 and PTGS2 both peaked after 1 day, with their minimum at 10%. PGE2 peaked after 1 day (maximum at 20%). The ELISA of IL6 peaked after 3 days, with the minimum at 10%. In summary, the lower magnitudes promoted osteogenesis and caused less inflammation, while the higher magnitudes inhibited osteogenesis and enhanced inflammation. Among all magnitudes, 10% generally caused a lower level of inflammation with a higher level of osteogenesis.
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Affiliation(s)
- Changyun Sun
- Department of Orthodontics and Dentofacial Orthopedics, University Hospital, LMU Munich, 80336 Munich, Germany; (C.S.); (M.J.R.); (T.S.); (A.W.)
| | - Mila Janjic Rankovic
- Department of Orthodontics and Dentofacial Orthopedics, University Hospital, LMU Munich, 80336 Munich, Germany; (C.S.); (M.J.R.); (T.S.); (A.W.)
| | - Matthias Folwaczny
- Department of Conservative Dentistry and Periodontology, University Hospital, LMU Munich, 80336 Munich, Germany;
| | - Thomas Stocker
- Department of Orthodontics and Dentofacial Orthopedics, University Hospital, LMU Munich, 80336 Munich, Germany; (C.S.); (M.J.R.); (T.S.); (A.W.)
| | - Sven Otto
- Department of Oral and Maxillofacial Surgery and Facial Plastic Surgery, University Hospital, LMU Munich, 80336 Munich, Germany;
| | - Andrea Wichelhaus
- Department of Orthodontics and Dentofacial Orthopedics, University Hospital, LMU Munich, 80336 Munich, Germany; (C.S.); (M.J.R.); (T.S.); (A.W.)
| | - Uwe Baumert
- Department of Orthodontics and Dentofacial Orthopedics, University Hospital, LMU Munich, 80336 Munich, Germany; (C.S.); (M.J.R.); (T.S.); (A.W.)
- Correspondence:
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3
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Strigli A, Gopalakrishnan S, Zeissig Y, Basic M, Wang J, Schwerd T, Doms S, Peuker K, Hartwig J, Harder J, Hönscheid P, Arnold P, Kurth T, Rost F, Petersen BS, Forster M, Franke A, Kelsen JR, Rohlfs M, Klein C, Muise AM, Warner N, Nambu R, Mayerle J, Török HP, Linkermann A, Muders MH, Baretton GB, Hampe J, Aust DE, Baines JF, Bleich A, Zeissig S. Deficiency in X-linked inhibitor of apoptosis protein promotes susceptibility to microbial triggers of intestinal inflammation. Sci Immunol 2021; 6:eabf7473. [PMID: 34739342 DOI: 10.1126/sciimmunol.abf7473] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Inflammatory bowel disease (IBD) is characterized by inappropriate immune responses to the microbiota in genetically susceptible hosts, but little is known about the pathways that link individual genetic alterations to microbiota-dependent inflammation. Here, we demonstrated that the loss of X-linked inhibitor of apoptosis protein (XIAP), a gene associated with Mendelian IBD, rendered Paneth cells sensitive to microbiota-, tumor necrosis factor (TNF)–, receptor-interacting protein kinase 1 (RIPK1)–, and RIPK3-dependent cell death. This was associated with deficiency in Paneth cell–derived antimicrobial peptides and alterations in the stratification and composition of the microbiota. Loss of XIAP was not sufficient to elicit intestinal inflammation but provided susceptibility to pathobionts able to promote granulomatous ileitis, which could be prevented by administration of a Paneth cell–derived antimicrobial peptide. These data reveal a pathway critical for host-microbial cross-talk, which is required for intestinal homeostasis and the prevention of inflammation and which is amenable to therapeutic targeting.
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Affiliation(s)
- Anne Strigli
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Department of Medicine I, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Shreya Gopalakrishnan
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Department of Medicine I, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Yvonne Zeissig
- Department of General Pediatrics, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Marijana Basic
- Institute for Laboratory Animal Science, Hannover Medical School, 30625 Hannover, Germany
| | - Jun Wang
- Max Planck Institute for Evolutionary Biology, 24306 Plön, Germany.,Institute for Experimental Medicine, Kiel University, 24105 Kiel, Germany.,CAS Key Laboratory for Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Tobias Schwerd
- Department of Pediatrics, Dr von Hauner Children's Hospital, LMU Munich, 80337 Munich, Germany
| | - Shauni Doms
- Max Planck Institute for Evolutionary Biology, 24306 Plön, Germany.,Institute for Experimental Medicine, Kiel University, 24105 Kiel, Germany
| | - Kenneth Peuker
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Department of Medicine I, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Jelka Hartwig
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Jürgen Harder
- Department of Dermatology, University Medical Center Schleswig-Holstein, 24105 Kiel, Germany
| | - Pia Hönscheid
- Institute of Pathology, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Philipp Arnold
- Institute of Functional and Clinical Anatomy, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Thomas Kurth
- Center for Molecular and Cellular Bioengineering (CMCB), Technology Platform, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Fabian Rost
- Center for Molecular and Cellular Bioengineering (CMCB), Technology Platform, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Center for Information Services and High Performance Computing (ZIH), Technische Universität (TU) Dresden, 01602 Dresden, Germany
| | | | - Michael Forster
- Institute for Clinical Molecular Biology, Kiel University, 24105 Kiel, Germany
| | - Andre Franke
- Institute for Clinical Molecular Biology, Kiel University, 24105 Kiel, Germany
| | - Judith R Kelsen
- Division of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Meino Rohlfs
- Department of Pediatrics, Dr von Hauner Children's Hospital, LMU Munich, 80337 Munich, Germany
| | - Christoph Klein
- Department of Pediatrics, Dr von Hauner Children's Hospital, LMU Munich, 80337 Munich, Germany
| | - Aleixo M Muise
- SickKids Inflammatory Bowel Disease Center, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada.,Cell Biology Program, Research Institute, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada.,Department of Pediatrics, Institute of Medical Science and Biochemistry, University of Toronto, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Neil Warner
- SickKids Inflammatory Bowel Disease Center, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Ryusuke Nambu
- SickKids Inflammatory Bowel Disease Center, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada.,Division of Gastroenterology and Hepatology, Saitama Children's Medical Center, Saitama 330-8777, Japan
| | - Julia Mayerle
- Department of Medicine II, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Helga-Paula Török
- Department of Medicine II, University Hospital, LMU Munich, 80337 Munich, Germany
| | - Andreas Linkermann
- Division of Nephrology, Department of Medicine III, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Michael H Muders
- Institute of Pathology, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Gustavo B Baretton
- Institute of Pathology, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Jochen Hampe
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Department of Medicine I, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - Daniela E Aust
- Institute of Pathology, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Tumor and Normal Tissue Bank of the University Cancer Center (UCC), University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
| | - John F Baines
- Max Planck Institute for Evolutionary Biology, 24306 Plön, Germany.,Institute for Experimental Medicine, Kiel University, 24105 Kiel, Germany
| | - André Bleich
- Institute for Laboratory Animal Science, Hannover Medical School, 30625 Hannover, Germany
| | - Sebastian Zeissig
- Center for Regenerative Therapies, Technische Universität (TU) Dresden, 01307 Dresden, Germany.,Department of Medicine I, University Medical Center Dresden, Technische Universität (TU) Dresden, 01307 Dresden, Germany
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4
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Han L, Bai L, Qu C, Dai E, Liu J, Kang R, Zhou D, Tang D, Zhao Y. PPARG-mediated ferroptosis in dendritic cells limits antitumor immunity. Biochem Biophys Res Commun 2021; 576:33-39. [PMID: 34478917 DOI: 10.1016/j.bbrc.2021.08.082] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/25/2021] [Accepted: 08/28/2021] [Indexed: 12/31/2022]
Abstract
Dendritic cells (DCs) are antigen-presenting cells of the immune system, which play a key role in antitumor immunity by activating cytotoxic T cells. Here, we report that elevated ferroptosis, a lipid peroxidation-mediated cell death, impairs the maturation of DCs and their function in tumor suppression. Ferroptosis is selectively induced in DCs by the GXP4 inhibitor RSL3, but not the SLC7A11 inhibitor erastin. Ferroptotic DCs lose their ability to secrete pro-inflammatory cytokines (TNF and IL6) and express MHC class I in response to the maturation signal of lipopolysaccharide. Moreover, ferroptotic DCs fail to induce CD8+ T cells to produce IFNG/IFNγ. Mechanistically, PPARG/PPARγ, a nuclear receptor involved in the regulation of lipid metabolism, is responsible for RSL3-induced ferroptosis in DCs. Consequently, the genetic depletion of PPARG restores the maturation and function of DCs. Using immunogenic cell death-based DC vaccine models, we further demonstrate that PPARG-mediated ferroptosis of DCs limits antitumor immunity in mice. Together, these findings demonstrate a novel role of ferroptotic DCs in driving an immunosuppressive tumor microenvironment.
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Affiliation(s)
- Leng Han
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Lulu Bai
- Department of Pediatric Hematology, First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Chunjing Qu
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Enyong Dai
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Jiao Liu
- The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Di Zhou
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, 75390, USA.
| | - Yanan Zhao
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China.
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5
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Zheng HB, de la Morena MT, Suskind DL. The Growing Need to Understand Very Early Onset Inflammatory Bowel Disease. Front Immunol 2021; 12:675186. [PMID: 34122435 PMCID: PMC8187749 DOI: 10.3389/fimmu.2021.675186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/04/2021] [Indexed: 11/24/2022] Open
Abstract
Very Early Onset Inflammatory Bowel Disease (VEO-IBD) represents a cohort of inflammatory bowel disease (IBD) patients diagnosed before 6 years of age. Unlike IBD diagnosed at older ages, VEO-IBD can be associated with underlying primary immunodeficiencies. VEO-IBD has been linked to monogenic variations in over 70 genes involved in multiple pathways of immunity. As sequencing technologies and platforms evolve and become readily available, an increasing number of genes linked to VEO-IBD have emerged. Although monogenic defects are rare in VEO-IBD, diagnosis of these variants can often dictate specific treatment. In this mini-review, we set out to describe monogenic variants previously characterized in multiple patients in the literature that contribute to VEO-IBD, diagnostic tools, unique treatment modalities for specific genetic diagnoses, and future directions in the field of VEO-IBD. Although this mini-review is by no means comprehensive of all the novel monogenic variants linked to VEO-IBD, we hope to provide relevant information that is readily accessible to clinicians and educators.
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Affiliation(s)
- Hengqi B Zheng
- Division of Gastroenterology and Hepatology, Seattle Children's Hospital, Seattle, WA, United States.,Department of Pediatrics, University of Washington, Seattle, WA, United States
| | - M Teresa de la Morena
- Department of Pediatrics, University of Washington, Seattle, WA, United States.,Division of Immunology, Seattle Children's Hospital, Seattle, WA, United States
| | - David L Suskind
- Division of Gastroenterology and Hepatology, Seattle Children's Hospital, Seattle, WA, United States.,Department of Pediatrics, University of Washington, Seattle, WA, United States
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6
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Speir M, Djajawi TM, Conos SA, Tye H, Lawlor KE. Targeting RIP Kinases in Chronic Inflammatory Disease. Biomolecules 2021; 11:biom11050646. [PMID: 33924766 PMCID: PMC8146010 DOI: 10.3390/biom11050646] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 02/08/2023] Open
Abstract
Chronic inflammatory disorders are characterised by aberrant and exaggerated inflammatory immune cell responses. Modes of extrinsic cell death, apoptosis and necroptosis, have now been shown to be potent drivers of deleterious inflammation, and mutations in core repressors of these pathways underlie many autoinflammatory disorders. The receptor-interacting protein (RIP) kinases, RIPK1 and RIPK3, are integral players in extrinsic cell death signalling by regulating the production of pro-inflammatory cytokines, such as tumour necrosis factor (TNF), and coordinating the activation of the NOD-like receptor protein 3 (NLRP3) inflammasome, which underpin pathological inflammation in numerous chronic inflammatory disorders. In this review, we firstly give an overview of the inflammatory cell death pathways regulated by RIPK1 and RIPK3. We then discuss how dysregulated signalling along these pathways can contribute to chronic inflammatory disorders of the joints, skin, and gastrointestinal tract, and discuss the emerging evidence for targeting these RIP kinases in the clinic.
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Affiliation(s)
- Mary Speir
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (M.S.); (T.M.D.); (S.A.C.); (H.T.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3168, Australia
| | - Tirta M. Djajawi
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (M.S.); (T.M.D.); (S.A.C.); (H.T.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3168, Australia
| | - Stephanie A. Conos
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (M.S.); (T.M.D.); (S.A.C.); (H.T.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3168, Australia
| | - Hazel Tye
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (M.S.); (T.M.D.); (S.A.C.); (H.T.)
| | - Kate E. Lawlor
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (M.S.); (T.M.D.); (S.A.C.); (H.T.)
- Department of Molecular and Translational Science, Monash University, Clayton, VIC 3168, Australia
- Correspondence: ; Tel.: +61-85722700
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7
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Zhou B, Abbott DW. Gasdermin E permits interleukin-1 beta release in distinct sublytic and pyroptotic phases. Cell Rep 2021; 35:108998. [PMID: 33852854 PMCID: PMC8106763 DOI: 10.1016/j.celrep.2021.108998] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 12/23/2020] [Accepted: 03/24/2021] [Indexed: 12/11/2022] Open
Abstract
Cellular inflammasome activation causes caspase-1 cleavage of the pore-forming protein gasdermin D (GSDMD) with subsequent pyroptotic cell death and cytokine release. Here, we clarify the ambiguous role of the related family member gasdermin E (GSDME) in this process. Inflammasome stimulation in GSDMD-deficient cells led to apoptotic caspase cleavage of GSDME. Endogenous GSDME activation permitted sublytic, continuous interleukin-1β (IL-1β) release and membrane leakage, even in GSDMD-sufficient cells, whereas ectopic expression led to pyroptosis with GSDME oligomerization and complete liberation of IL-1β akin to GSDMD pyroptosis. We find that NLRP3 and NLRP1 inflammasomes ultimately rely concurrently on both gasdermins for IL-1β processing and release separately from their ability to induce cell lysis. Our study thus identifies GSDME as a conduit for IL-1β release independent of its ability to cause cell death.
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Affiliation(s)
- Bowen Zhou
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Derek W Abbott
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
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8
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Gao D, Wu H, Jie H, Liang M, Yu D, Feng Y, Balasubramanian K, Zheng G, Yang J, He J. XIAP inhibits gentamicin-induced hair cell damage and ototoxicity through the caspase-3/9 pathway. Biochem Pharmacol 2021; 186:114513. [PMID: 33713642 DOI: 10.1016/j.bcp.2021.114513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/03/2021] [Accepted: 03/04/2021] [Indexed: 12/22/2022]
Abstract
Gentamicin (GM), an aminoglycoside antibiotic, is one commonly used clinical drugs with ototoxic side effects. One of the most principal mechanisms of its ototoxicity is that GM can activate caspase-mediated cell death pathways in the cochlea. Since the anti-apoptotic protein known as X-linked Inhibitor of Apoptosis Protein (XIAP) has been reported to directly bind to activated caspase protein and inhibit their activities, we hypothesized that it might protect cochlea hair cells from GM ototoxicity. To evaluate this hypothesis, postnatal day 2-3 (P2-3) transgenic (TG) mice, in which XIAP gene is over-expressed under a pure C57BL/6J genetic background was constructed. We first extracted the cochlea tissue of normal mice and treated them with different concentrations of GM, and the number of hair cells were observed to determine the concentration of GM used in subsequent experiments. Next, we used Western Blot experiment to examine the effect of GM on XIAP protein expression in normal mouse cochlea, and then Western Blot and RT-PCR experiments were used to identify the transgenic mice. Finally, immunofluorescence assays were used to detect the effect of GM on the expression of caspase protein and verify the protective effect of XIAP. We found that GM at a concentration of 0.5 mM significantly affected the function of cochlea hair cells, up-regulating the expression of cleaved-caspase-3 and cleaved-caspase-9 protein but down-regulating XIAP protein. In the cochlea tissues of TG mice, this effect of GM was suppressed, and the destruction of hair cells was significantly reduced, and the cleaved-caspase-3 and cleaved-caspase-9 proteins were significantly suppressed. These results suggested that XIAP reduces GM-induced ototoxicity and caspase-3/9 pathway is associated with this process.
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Affiliation(s)
- Dekun Gao
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Hui Wu
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Huiqun Jie
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Min Liang
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | - Dongzhen Yu
- Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China; Department of Otorhinolaryngology, Sixth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Yanmei Feng
- Department of Otorhinolaryngology, First People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China
| | | | - Guiliang Zheng
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China.
| | - Jun Yang
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China.
| | - Jingchun He
- Department of Otorhinolaryngology-Head & Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Jiaotong University School of Medicine Ear Institute, Shanghai, China; Department of Otorhinolaryngology, First People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China.
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9
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Xiao Y, Huang Q, Wu Z, Chen W. Roles of protein ubiquitination in inflammatory bowel disease. Immunobiology 2020; 225:152026. [PMID: 33190004 DOI: 10.1016/j.imbio.2020.152026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 08/19/2020] [Accepted: 10/18/2020] [Indexed: 02/08/2023]
Abstract
Inflammatory bowel disease (IBD) including Crohn's disease (CD) and ulcerative colitis (UC) seriously affects the quality of life for patients. The pathogenesis of IBD contains the environmental, host genetic and epigenetic factors. In recent years, the studies of protein ubiquitination, an important protein post-translational modification as an epigenetic factor, have emerged in the pathogenesis and development of IBD. In the past few years, accumulative evidence illustrated that six E3 ubiquitin ligases, namely, ring finger protein (RNF) 183, RNF 20, A20, Pellino 3, TRIM62 and Itch, exhibited clear mechanisms in the development of IBD. They regulate the intestinal inflammation by facilitating the ubiquitination of targeted proteins which participate in different inflammatory signaling pathways. Besides, it was reported that some deubiquitinating enzymes such as Cylindromatosis and USP7 were involved in the development of IBD, but the molecular mechanism was still unclear. This review summarized the role and regulatory mechanism of protein ubiquitination in the pathogenesis and development of IBD, providing insights to develop a new therapeutic strategy in IBD treatments.
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Affiliation(s)
- Yue Xiao
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Marshall Laboratory of Biomedical Engineering, Department of Immunology, School of Medicine, Shenzhen University, Shenzhen 516080, China
| | - Qi Huang
- Department of Pediatric Orthopaedics, Shenzhen Children's Hospital, Shenzhen 518035, China
| | - Zherui Wu
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Marshall Laboratory of Biomedical Engineering, Department of Immunology, School of Medicine, Shenzhen University, Shenzhen 516080, China
| | - Weilin Chen
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Marshall Laboratory of Biomedical Engineering, Department of Immunology, School of Medicine, Shenzhen University, Shenzhen 516080, China.
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10
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Moura FA, Goulart MOF, Campos SBG, da Paz Martins AS. The Close Interplay of Nitro-Oxidative Stress, Advanced Glycation end Products and Inflammation in Inflammatory Bowel Diseases. Curr Med Chem 2020; 27:2059-2076. [PMID: 30182837 DOI: 10.2174/0929867325666180904115633] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/29/2018] [Accepted: 08/11/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Inflammatory Bowel Disease (IBD) exhibits no defined aetiology. However, factors such as genetic and nitro-oxidative stress are associated with chronic inflammation and IBD progression to Colorectal Cancer (CRC). The present review discusses the association of nitro-oxidative stress, inflammation and Advanced Glycation End products (AGE) and their corresponding receptor (RAGE) in IBD and examines the connection between these factors and nuclear factors, such as Nuclear Factor Kappa B (NF-κB), factorerythroid 2-related factor-2 (Nrf2), and p53 Mutant (p53M). METHODS We searched the PubMed, ScienceDirect and Web of Science databases using a combination of the following terms: IBD, CRC, oxidative stress, inflammation, NF-κB, Nrf2, p53M, AGE and RAGE. RESULTS Oxidative stress and inflammation activated two cellular pathways, the nuclear expression of pro-inflammatory, pro-oxidant and pro-oncogenic genes based on NF-κB and p53M, which is associated with NF-κB activation, Deoxyribonucleic acid (DNA) damage and the expression of pro-oncogenic genes. Nrf2 stimulates the nuclear expression of enzymatic and non-enzymatic antioxidant systems and anti-inflammatory genes, and is inhibited by chronic oxidative stress, NF-κB and p53M. AGE/RAGE are involved in inflammation progression because RAGE polymorphisms and increased RAGE levels are found in IBD patients. Alterations of these pathways in combination with oxidative damage are responsible for IBD symptoms and the progression to CRC. CONCLUSION IBD is an inflammatory and nitro-oxidative stress-based bowel disease. Achieving a molecular understanding of the biochemical events and their complicated interactions will impact basic and applied research, animal models, and clinical trials.
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Affiliation(s)
- Fabiana Andréa Moura
- Faculdade de Nutrição/Universidade Federal de Alagoas (FANUT/UFAL), Campus A. C. Simões, Avenida Lourival Melo Mota, s/n, Tabuleiro dos Martins, 57072-970 Maceió, Alagoas, Brazil
| | | | - Samara Bonfim Gomes Campos
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Universidade Federal de Alagoas (UFAL), 57072-970 Maceió, Alagoas, Brazil
| | - Amylly Sanuelly da Paz Martins
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Universidade Federal de Alagoas (UFAL), 57072-970 Maceió, Alagoas, Brazil
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11
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Graham DB, Xavier RJ. Pathway paradigms revealed from the genetics of inflammatory bowel disease. Nature 2020; 578:527-539. [PMID: 32103191 PMCID: PMC7871366 DOI: 10.1038/s41586-020-2025-2] [Citation(s) in RCA: 354] [Impact Index Per Article: 88.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 12/10/2019] [Indexed: 12/13/2022]
Abstract
Inflammatory bowel disease (IBD) is a complex genetic disease that is instigated and amplified by the confluence of multiple genetic and environmental variables that perturb the immune-microbiome axis. The challenge of dissecting pathological mechanisms underlying IBD has led to the development of transformative approaches in human genetics and functional genomics. Here we describe IBD as a model disease in the context of leveraging human genetics to dissect interactions in cellular and molecular pathways that regulate homeostasis of the mucosal immune system. Finally, we synthesize emerging insights from multiple experimental approaches into pathway paradigms and discuss future prospects for disease-subtype classification and therapeutic intervention.
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Affiliation(s)
- Daniel B. Graham
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.,Center for Computational and Integrative Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Center for Microbiome Informatics and Therapeutics, MIT, Cambridge, MA, USA.,Corresponding authors. ,
| | - Ramnik J. Xavier
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.,Center for Computational and Integrative Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.,Center for Microbiome Informatics and Therapeutics, MIT, Cambridge, MA, USA.,Corresponding authors. ,
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12
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Rathkey JK, Xiao TS, Abbott DW. Human polymorphisms in GSDMD alter the inflammatory response. J Biol Chem 2020; 295:3228-3238. [PMID: 31988247 DOI: 10.1074/jbc.ra119.010604] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 12/29/2019] [Indexed: 12/17/2022] Open
Abstract
Exomic studies have demonstrated that innate immune genes exhibit an even higher degree of variation than the majority of other gene families. However, the phenotypic implications of this genetic variation are not well understood, with effects ranging from hypomorphic to silent to hyperfunctioning. In this work, we study the functional consequences of this variation by investigating polymorphisms in gasdermin D, the key pyroptotic effector protein. We find that, although SNPs affecting potential posttranslational modifications did not affect gasdermin D function or pyroptosis, polymorphisms disrupting sites predicted to be structurally important dramatically alter gasdermin D function. The manner in which these polymorphisms alter function varies from conserving normal pyroptotic function to inhibiting caspase cleavage to disrupting oligomerization and pore formation. Further, downstream of inflammasome activation, polymorphisms that cause loss of gasdermin D function convert inflammatory pyroptotic cell death into immunologically silent apoptotic cell death. These findings suggest that human genetic variation can alter mechanisms of cell death in inflammation.
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Affiliation(s)
- Joseph K Rathkey
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106
| | - Tsan S Xiao
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106
| | - Derek W Abbott
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106.
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13
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Knop J, Spilgies LM, Rufli S, Reinhart R, Vasilikos L, Yabal M, Owsley E, Jost PJ, Marsh RA, Wajant H, Robinson MD, Kaufmann T, Wong WWL. TNFR2 induced priming of the inflammasome leads to a RIPK1-dependent cell death in the absence of XIAP. Cell Death Dis 2019; 10:700. [PMID: 31541082 PMCID: PMC6754467 DOI: 10.1038/s41419-019-1938-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 01/23/2023]
Abstract
The pediatric immune deficiency X-linked proliferative disease-2 (XLP-2) is a unique disease, with patients presenting with either hemophagocytic lymphohistiocytosis (HLH) or intestinal bowel disease (IBD). Interestingly, XLP-2 patients display high levels of IL-18 in the serum even while in stable condition, presumably through spontaneous inflammasome activation. Recent data suggests that LPS stimulation can trigger inflammasome activation through a TNFR2/TNF/TNFR1 mediated loop in xiap−/− macrophages. Yet, the direct role TNFR2-specific activation plays in the absence of XIAP is unknown. We found TNFR2-specific activation leads to cell death in xiap−/− myeloid cells, particularly in the absence of the RING domain. RIPK1 kinase activity downstream of TNFR2 resulted in a TNF/TNFR1 cell death, independent of necroptosis. TNFR2-specific activation leads to a similar inflammatory NF-kB driven transcriptional profile as TNFR1 activation with the exception of upregulation of NLRP3 and caspase-11. Activation and upregulation of the canonical inflammasome upon loss of XIAP was mediated by RIPK1 kinase activity and ROS production. While both the inhibition of RIPK1 kinase activity and ROS production reduced cell death, as well as release of IL-1β, the release of IL-18 was not reduced to basal levels. This study supports targeting TNFR2 specifically to reduce IL-18 release in XLP-2 patients and to reduce priming of the inflammasome components.
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Affiliation(s)
- Janin Knop
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Lisanne M Spilgies
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Stefanie Rufli
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Ramona Reinhart
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Lazaros Vasilikos
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Monica Yabal
- III. Medizinische Klink, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Erika Owsley
- UC Department of Pediatrics, Cincinnati Children's Hospital, Cincinnati, USA
| | - Philipp J Jost
- III. Medizinische Klink, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Rebecca A Marsh
- UC Department of Pediatrics, Cincinnati Children's Hospital, Cincinnati, USA
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Mark D Robinson
- Institute of Molecular Life Sciences and SIB Swiss Institute of Bioinformatics, University of Zürich, Zürich, Switzerland
| | - Thomas Kaufmann
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - W Wei-Lynn Wong
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland.
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14
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Limanskiy V, Vyas A, Chaturvedi LS, Vyas D. Harnessing the potential of gene editing technology using CRISPR in inflammatory bowel disease. World J Gastroenterol 2019; 25:2177-2187. [PMID: 31143069 PMCID: PMC6526155 DOI: 10.3748/wjg.v25.i18.2177] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/27/2019] [Accepted: 03/30/2019] [Indexed: 02/06/2023] Open
Abstract
The molecular scalpel of clustered regularly interspersed short palindromic repeats/CRISPR associated protein 9 (CRISPR/Cas9) technology may be sharp enough to begin cutting the genes implicated in inflammatory bowel disease (IBD) and consequently decrease the 6.3 billion dollar annual financial healthcare burden in the treatment of IBD. For the past few years CRISPR technology has drastically revolutionized DNA engineering and biomedical research field. We are beginning to see its application in gene manipulation of sickle cell disease, human immunodeficiency virus resistant embryologic twin gene modification and IBD genes such as Gatm (Glycine amidinotransferase, mitochondrial), nucleotide-binding oligomerization domain-containing protein 2, KRT12 and other genes implicated in adaptive immune convergence pathways have been subjected to gene editing, however there are very few publications. Furthermore, since Crohn’s disease and ulcerative colitis have shared disease susceptibility and share genetic gene profile, it is paramount and is more advantageous to use CRISPR technology to maximize impact. Although, currently CRISPR does have its limitations due to limited number of specific Cas enzymes, off-target activity, protospacer adjacent motifs and crossfire between different target sites. However, these limitations have given researchers further insight on how to augment and manipulate enzymes to enable precise gene excision and limit crossfire between target sites.
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Affiliation(s)
- Viktor Limanskiy
- Department of Surgery, San Joaquin General Hospital, French Camp, CA 95231, United States
| | - Arpita Vyas
- College of Medicine, CNSU, Elk Grove, CA 95757, United States
| | | | - Dinesh Vyas
- Department of Surgery, San Joaquin General Hospital, French Camp, CA 95231, United States
- College of Medicine and College of Pharmacy, California Northstate University, Elk Grove, CA 95757, United States
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15
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Lipinski S, Petersen BS, Barann M, Piecyk A, Tran F, Mayr G, Jentzsch M, Aden K, Stengel ST, Klostermeier UC, Sheth V, Ellinghaus D, Rausch T, Korbel JO, Nothnagel M, Krawczak M, Gilissen C, Veltman JA, Forster M, Forster P, Lee CC, Fritscher-Ravens A, Schreiber S, Franke A, Rosenstiel P. Missense variants in NOX1 and p22phox in a case of very-early-onset inflammatory bowel disease are functionally linked to NOD2. Cold Spring Harb Mol Case Stud 2019; 5:mcs.a002428. [PMID: 30709874 PMCID: PMC6371741 DOI: 10.1101/mcs.a002428] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 10/29/2018] [Indexed: 02/07/2023] Open
Abstract
Whole-genome and whole-exome sequencing of individual patients allow the study of rare and potentially causative genetic variation. In this study, we sequenced DNA of a trio comprising a boy with very-early-onset inflammatory bowel disease (veoIBD) and his unaffected parents. We identified a rare, X-linked missense variant in the NAPDH oxidase NOX1 gene (c.C721T, p.R241C) in heterozygous state in the mother and in hemizygous state in the patient. We discovered that, in addition, the patient was homozygous for a common missense variant in the CYBA gene (c.T214C, p.Y72H). CYBA encodes the p22phox protein, a cofactor for NOX1. Functional assays revealed reduced cellular ROS generation and antibacterial capacity of NOX1 and p22phox variants in intestinal epithelial cells. Moreover, the identified NADPH oxidase complex variants affected NOD2-mediated immune responses, and p22phox was identified as a novel NOD2 interactor. In conclusion, we detected missense variants in a veoIBD patient that disrupt the host response to bacterial challenges and reduce protective innate immune signaling via NOD2. We assume that the patient's individual genetic makeup favored disturbed intestinal mucosal barrier function.
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Affiliation(s)
- Simone Lipinski
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Britt-Sabina Petersen
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Matthias Barann
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Agnes Piecyk
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Florian Tran
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany.,Department of General Internal Medicine, Christian-Albrechts-University, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Gabriele Mayr
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Marlene Jentzsch
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Konrad Aden
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany.,Department of General Internal Medicine, Christian-Albrechts-University, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Stephanie T Stengel
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Ulrich C Klostermeier
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Vrunda Sheth
- Life Technologies, Beverly, Massachusetts 01915, USA
| | - David Ellinghaus
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Tobias Rausch
- European Molecular Biology Laboratory (EMBL), Genome Biology Unit, 69117 Heidelberg, Germany
| | - Jan O Korbel
- European Molecular Biology Laboratory (EMBL), Genome Biology Unit, 69117 Heidelberg, Germany
| | - Michael Nothnagel
- Institute of Medical Informatics and Statistics (IMIS), Christian-Albrechts University, 24105 Kiel, Germany
| | - Michael Krawczak
- Institute of Medical Informatics and Statistics (IMIS), Christian-Albrechts University, 24105 Kiel, Germany
| | - Christian Gilissen
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen 6525, The Netherlands
| | - Joris A Veltman
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen 6525, The Netherlands.,Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne NE1 3BZ, United Kingdom
| | - Michael Forster
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Peter Forster
- Murray Edwards College, University of Cambridge, Cambridge CB3 0DF, United Kingdom
| | - Clarence C Lee
- Department of General Internal Medicine, Christian-Albrechts-University, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Annette Fritscher-Ravens
- Department of General Internal Medicine, Christian-Albrechts-University, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Stefan Schreiber
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany.,Department of General Internal Medicine, Christian-Albrechts-University, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
| | - Philip Rosenstiel
- Institute of Clinical Molecular Biology (IKMB), Christian-Albrechts-University, 24105 Kiel, Germany
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16
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Abstract
The inhibitor of apoptosis proteins (IAPs) are a family of proteins that were chiefly known for their ability to inhibit apoptosis by blocking caspase activation or activity. Recent research has shown that cellular IAP1 (cIAP1), cIAP2, and X-linked IAP (XIAP) also regulate signaling by receptors of the innate immune system by ubiquitylating their substrates. These IAPs thereby act at the intersection of pathways leading to cell death and inflammation. Mutation of IAP genes can impair tissue homeostasis and is linked to several human diseases. Small-molecule IAP antagonists have been developed to treat certain malignant, infectious, and inflammatory diseases. Here, we will discuss recent advances in our understanding of the functions of cIAP1, cIAP2, and XIAP; the consequences of their mutation or dysregulation; and the therapeutic potential of IAP antagonist drugs.
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Affiliation(s)
- Najoua Lalaoui
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, 3052, Australia.,Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, 3050, Australia
| | - David Lawrence Vaux
- Cell Signalling and Cell Death, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, 3052, Australia.,Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, 3050, Australia
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17
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Rathkey JK, Zhao J, Liu Z, Chen Y, Yang J, Kondolf HC, Benson BL, Chirieleison SM, Huang AY, Dubyak GR, Xiao TS, Li X, Abbott DW. Chemical disruption of the pyroptotic pore-forming protein gasdermin D inhibits inflammatory cell death and sepsis. Sci Immunol 2018; 3:eaat2738. [PMID: 30143556 PMCID: PMC6462819 DOI: 10.1126/sciimmunol.aat2738] [Citation(s) in RCA: 336] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/08/2018] [Accepted: 06/28/2018] [Indexed: 12/25/2022]
Abstract
Dysregulation of inflammatory cell death is a key driver of many inflammatory diseases. Pyroptosis, a highly inflammatory form of cell death, uses intracellularly generated pores to disrupt electrolyte homeostasis and execute cell death. Gasdermin D, the pore-forming effector protein of pyroptosis, coordinates membrane lysis and the release of highly inflammatory molecules, such as interleukin-1β, which potentiate the overactivation of the innate immune response. However, to date, there is no pharmacologic mechanism to disrupt pyroptosis. Here, we identify necrosulfonamide as a direct chemical inhibitor of gasdermin D, the pyroptotic pore-forming protein, which binds directly to gasdermin D to inhibit pyroptosis. Pharmacologic inhibition of pyroptotic cell death by necrosulfonamide is efficacious in sepsis models and suggests that gasdermin D inhibitors may be efficacious clinically in inflammatory diseases.
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Affiliation(s)
- Joseph K Rathkey
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Junjie Zhao
- Department of Immunology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Zhonghua Liu
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Yinghua Chen
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Jie Yang
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Hannah C Kondolf
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Bryan L Benson
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Steven M Chirieleison
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Alex Y Huang
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - George R Dubyak
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Tsan S Xiao
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA
| | - Xiaoxia Li
- Department of Immunology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Derek W Abbott
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44106, USA.
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18
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Hrdinka M, Schlicher L, Dai B, Pinkas DM, Bufton JC, Picaud S, Ward JA, Rogers C, Suebsuwong C, Nikhar S, Cuny GD, Huber KV, Filippakopoulos P, Bullock AN, Degterev A, Gyrd-Hansen M. Small molecule inhibitors reveal an indispensable scaffolding role of RIPK2 in NOD2 signaling. EMBO J 2018; 37:embj.201899372. [PMID: 30026309 PMCID: PMC6120666 DOI: 10.15252/embj.201899372] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 06/17/2018] [Accepted: 06/22/2018] [Indexed: 01/06/2023] Open
Abstract
RIPK2 mediates inflammatory signaling by the bacteria‐sensing receptors NOD1 and NOD2. Kinase inhibitors targeting RIPK2 are a proposed strategy to ameliorate NOD‐mediated pathologies. Here, we reveal that RIPK2 kinase activity is dispensable for NOD2 inflammatory signaling and show that RIPK2 inhibitors function instead by antagonizing XIAP‐binding and XIAP‐mediated ubiquitination of RIPK2. We map the XIAP binding site on RIPK2 to the loop between β2 and β3 of the N‐lobe of the kinase, which is in close proximity to the ATP‐binding pocket. Through characterization of a new series of ATP pocket‐binding RIPK2 inhibitors, we identify the molecular features that determine their inhibition of both the RIPK2‐XIAP interaction, and of cellular and in vivoNOD2 signaling. Our study exemplifies how targeting of the ATP‐binding pocket in RIPK2 can be exploited to interfere with the RIPK2‐XIAP interaction for modulation of NOD signaling.
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Affiliation(s)
- Matous Hrdinka
- Nuffield Department of Clinical Medicine, Ludwig Institute for Cancer Research, University of Oxford, Oxford, UK
| | - Lisa Schlicher
- Nuffield Department of Clinical Medicine, Ludwig Institute for Cancer Research, University of Oxford, Oxford, UK
| | - Bing Dai
- Department of Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Daniel M Pinkas
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Joshua C Bufton
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Sarah Picaud
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Jennifer A Ward
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK.,Nuffield Department of Clinical Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
| | - Catherine Rogers
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK.,Nuffield Department of Clinical Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
| | | | - Sameer Nikhar
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX, USA
| | - Gregory D Cuny
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston, Houston, TX, USA
| | - Kilian Vm Huber
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK.,Nuffield Department of Clinical Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
| | - Panagis Filippakopoulos
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Alex N Bullock
- Nuffield Department of Clinical Medicine, Structural Genomics Consortium, University of Oxford, Oxford, UK
| | - Alexei Degterev
- Department of Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA, USA
| | - Mads Gyrd-Hansen
- Nuffield Department of Clinical Medicine, Ludwig Institute for Cancer Research, University of Oxford, Oxford, UK
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19
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Chirieleison SM, Rathkey JK, Abbott DW. Unique BIR domain sets determine inhibitor of apoptosis protein-driven cell death and NOD2 complex signal specificity. Sci Signal 2018; 11:11/539/eaao3964. [PMID: 30018081 DOI: 10.1126/scisignal.aao3964] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The mammalian IAPs, X-linked inhibitor of apoptosis protein (XIAP) and cellular inhibitor of apoptosis protein 1 and 2 (cIAP1 and cIAP2), play pivotal roles in innate immune signaling and inflammatory homeostasis, often working in parallel or in conjunction at a signaling complex. IAPs direct both nucleotide-binding oligomerization domain-containing 2 (NOD2) signaling complexes and cell death mechanisms to appropriately regulate inflammation. Although it is known that XIAP is critical for NOD2 signaling and that the loss of cIAP1 and cIAP2 blunts NOD2 activity, it is unclear whether these three highly related proteins can compensate for one another in NOD2 signaling or in mechanisms governing apoptosis or necroptosis. This potential redundancy is critically important, given that genetic loss of XIAP causes both very early onset inflammatory bowel disease and X-linked lymphoproliferative syndrome 2 (XLP-2) and that the overexpression of cIAP1 and cIAP2 is linked to both carcinogenesis and chemotherapeutic resistance. Given the therapeutic interest in IAP inhibition and the potential toxicities associated with disruption of inflammatory homeostasis, we used synthetic biology techniques to examine the functional redundancies of key domains in the IAPs. From this analysis, we defined the features of the IAPs that enable them to function at overlapping signaling complexes but remain independent and functionally exclusive in their roles as E3 ubiquitin ligases in innate immune and inflammatory signaling.
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Affiliation(s)
- Steven M Chirieleison
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44122, USA
| | - Joseph K Rathkey
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44122, USA
| | - Derek W Abbott
- Department of Pathology, Case Western Reserve University School of Medicine, Cleveland, OH 44122, USA.
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20
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Abstract
The nucleotide-binding oligomerization domain (NOD) protein, NOD2, belonging to the intracellular NOD-like receptor family, detects conserved motifs in bacterial peptidoglycan and promotes their clearance through activation of a proinflammatory transcriptional program and other innate immune pathways, including autophagy and endoplasmic reticulum stress. An inactive form due to mutations or a constitutive high expression of NOD2 is associated with several inflammatory diseases, suggesting that balanced NOD2 signaling is critical for the maintenance of immune homeostasis. In this review, we discuss recent developments about the pathway and mechanisms of regulation of NOD2 and illustrate the principal functions of the gene, with particular emphasis on its central role in maintaining the equilibrium between intestinal microbiota and host immune responses to control inflammation. Furthermore, we survey recent studies illustrating the role of NOD2 in several inflammatory diseases, in particular, inflammatory bowel disease, of which it is the main susceptibility gene.
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Affiliation(s)
- Anna Negroni
- Division of Health Protection Technologies, Territorial and Production Systems Sustainability Department, ENEA, Rome, Italy
| | - Maria Pierdomenico
- Department of Pediatrics and Infantile Neuropsychiatry, Pediatric Gastroenterology and Liver Unit, Sapienza University of Rome, Rome, Italy
| | - Salvatore Cucchiara
- Department of Pediatrics and Infantile Neuropsychiatry, Pediatric Gastroenterology and Liver Unit, Sapienza University of Rome, Rome, Italy
| | - Laura Stronati
- Department of Cellular Biotechnology and Hematology, Sapienza University of Rome, Rome, Italy
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Rathkey JK, Benson BL, Chirieleison SM, Yang J, Xiao TS, Dubyak GR, Huang AY, Abbott DW. Live-cell visualization of gasdermin D-driven pyroptotic cell death. J Biol Chem 2017; 292:14649-14658. [PMID: 28726636 DOI: 10.1074/jbc.m117.797217] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/15/2017] [Indexed: 12/19/2022] Open
Abstract
Pyroptosis is a form of cell death important in defenses against pathogens that can also result in a potent and sometimes pathological inflammatory response. During pyroptosis, GSDMD (gasdermin D), the pore-forming effector protein, is cleaved, forms oligomers, and inserts into the membranes of the cell, resulting in rapid cell death. However, the potent cell death induction caused by GSDMD has complicated our ability to understand the biology of this protein. Studies aimed at visualizing GSDMD have relied on expression of GSDMD fragments in epithelial cell lines that naturally lack GSDMD expression and also lack the proteases necessary to cleave GSDMD. In this work, we performed mutagenesis and molecular modeling to strategically place tags and fluorescent proteins within GSDMD that support native pyroptosis and facilitate live-cell imaging of pyroptotic cell death. Here, we demonstrate that these fusion proteins are cleaved by caspases-1 and -11 at Asp-276. Mutations that disrupted the predicted p30-p20 autoinhibitory interface resulted in GSDMD aggregation, supporting the oligomerizing activity of these mutations. Furthermore, we show that these novel GSDMD fusions execute inflammasome-dependent pyroptotic cell death in response to multiple stimuli and allow for visualization of the morphological changes associated with pyroptotic cell death in real time. This work therefore provides new tools that not only expand the molecular understanding of pyroptosis but also enable its direct visualization.
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Affiliation(s)
| | - Bryan L Benson
- From the Department of Pathology.,the Division of Pediatric Hematology-Oncology, Department of Pediatrics, and
| | | | - Jie Yang
- From the Department of Pathology.,the Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106
| | | | - George R Dubyak
- the Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106
| | - Alex Y Huang
- From the Department of Pathology.,the Division of Pediatric Hematology-Oncology, Department of Pediatrics, and
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