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Furthmann N, Bader V, Angersbach L, Blusch A, Goel S, Sánchez-Vicente A, Krause LJ, Chaban SA, Grover P, Trinkaus VA, van Well EM, Jaugstetter M, Tschulik K, Damgaard RB, Saft C, Ellrichmann G, Gold R, Koch A, Englert B, Westenberger A, Klein C, Jungbluth L, Sachse C, Behrends C, Glatzel M, Hartl FU, Nakamura K, Christine CW, Huang EJ, Tatzelt J, Winklhofer KF. NEMO reshapes the α-Synuclein aggregate interface and acts as an autophagy adapter by co-condensation with p62. Nat Commun 2023; 14:8368. [PMID: 38114471 PMCID: PMC10730909 DOI: 10.1038/s41467-023-44033-0] [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: 02/08/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023] Open
Abstract
NEMO is a ubiquitin-binding protein which regulates canonical NF-κB pathway activation in innate immune signaling, cell death regulation and host-pathogen interactions. Here we identify an NF-κB-independent function of NEMO in proteostasis regulation by promoting autophagosomal clearance of protein aggregates. NEMO-deficient cells accumulate misfolded proteins upon proteotoxic stress and are vulnerable to proteostasis challenges. Moreover, a patient with a mutation in the NEMO-encoding IKBKG gene resulting in defective binding of NEMO to linear ubiquitin chains, developed a widespread mixed brain proteinopathy, including α-synuclein, tau and TDP-43 pathology. NEMO amplifies linear ubiquitylation at α-synuclein aggregates and promotes the local concentration of p62 into foci. In vitro, NEMO lowers the threshold concentrations required for ubiquitin-dependent phase transition of p62. In summary, NEMO reshapes the aggregate surface for efficient autophagosomal clearance by providing a mobile phase at the aggregate interphase favoring co-condensation with p62.
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Affiliation(s)
- Nikolas Furthmann
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Verian Bader
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Lena Angersbach
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Alina Blusch
- Department of Neurology, St Josef Hospital, Ruhr University Bochum, 44791, Bochum, Germany
| | - Simran Goel
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Ana Sánchez-Vicente
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Laura J Krause
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
- Cluster of Excellence RESOLV, 44801, Bochum, Germany
| | - Sarah A Chaban
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Prerna Grover
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Victoria A Trinkaus
- Department of Cellular Biochemistry, Max Planck Institute of Biochemistry, 82152, Martinsried, Germany
| | - Eva M van Well
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Maximilian Jaugstetter
- Analytical Chemistry II, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Kristina Tschulik
- Cluster of Excellence RESOLV, 44801, Bochum, Germany
- Analytical Chemistry II, Faculty of Chemistry and Biochemistry, Ruhr University Bochum, 44801, Bochum, Germany
| | - Rune Busk Damgaard
- Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800, Kongens Lyngby, Denmark
| | - Carsten Saft
- Department of Neurology, St Josef Hospital, Ruhr University Bochum, 44791, Bochum, Germany
| | - Gisa Ellrichmann
- Department of Neurology, St Josef Hospital, Ruhr University Bochum, 44791, Bochum, Germany
- Department of Neurology, Klinikum Dortmund, University Witten/Herdecke, 44135, Dortmund, Germany
| | - Ralf Gold
- Department of Neurology, St Josef Hospital, Ruhr University Bochum, 44791, Bochum, Germany
| | - Arend Koch
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Neuropathology, Charitéplatz 1, 10117, Berlin, Germany
| | - Benjamin Englert
- Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Neuropathology, Charitéplatz 1, 10117, Berlin, Germany
- Center for Neuropathology and Prion Research, Ludwig-Maximilians University, 81377, Munich, Germany
| | - Ana Westenberger
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Lisa Jungbluth
- Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons (ER-C-3/Structural Biology), Forschungszentrum Jülich, Jülich, Germany
- Institute for Biological Information Processing (IBI-6/Cellular Structural Biology), Forschungszentrum Jülich, Jülich, Germany
| | - Carsten Sachse
- Ernst-Ruska Centre for Microscopy and Spectroscopy with Electrons (ER-C-3/Structural Biology), Forschungszentrum Jülich, Jülich, Germany
- Institute for Biological Information Processing (IBI-6/Cellular Structural Biology), Forschungszentrum Jülich, Jülich, Germany
- Department of Biology, Heinrich Heine University, Düsseldorf, Germany
| | - Christian Behrends
- Munich Cluster for Systems Neurology, Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Markus Glatzel
- Institute of Neuropathology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20251, Hamburg, Germany
| | - F Ulrich Hartl
- Department of Cellular Biochemistry, Max Planck Institute of Biochemistry, 82152, Martinsried, Germany
- Munich Cluster for Systems Neurology (SyNergy), 81377, Munich, Germany
| | - Ken Nakamura
- Gladstone Institute of Neurological Disease, Gladstone Institutes, San Francisco, CA, USA
- Department of Neurology, University of California, San Francisco, CA, USA
| | - Chadwick W Christine
- Department of Neurology, University of California, San Francisco, CA, USA
- Weill Institute for Neurosciences, University of California San Francisco, San Francisco, CA, USA
| | - Eric J Huang
- Department of Neurology, University of California, San Francisco, CA, USA
- Department of Pathology, University of California, San Francisco, CA, USA
| | - Jörg Tatzelt
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany
- Cluster of Excellence RESOLV, 44801, Bochum, Germany
| | - Konstanze F Winklhofer
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, 44801, Bochum, Germany.
- Cluster of Excellence RESOLV, 44801, Bochum, Germany.
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Dana N, Vaseghi G, Haghjooy Javanmard S. Crosstalk between Peroxisome Proliferator-Activated Receptors and Toll-Like Receptors: A Systematic Review. Adv Pharm Bull 2019; 9:12-21. [PMID: 31011554 PMCID: PMC6468223 DOI: 10.15171/apb.2019.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 01/08/2019] [Accepted: 01/12/2019] [Indexed: 12/11/2022] Open
Abstract
As one of the four major families of pattern recognition receptors (PRRs), toll like receptors (TLRs)
are crucial and important components of the innate immune system. Peroxisome proliferatoractivated
receptors (PPARs) with three isoforms are transcription factors classified as a subfamily
of nuclear receptor proteins, and are of significant regulatory activity in cellular differentiation,
development, metabolism, and tumorigenesis. It is well established that PPARs agonists display
anti-inflammatory effects through inhibition of the nuclear factor-kappa B (NF-κB) pathway, a
key regulator of immune and inflammatory responses, in a sense that TLRs signaling pathways
are mainly toward activation of NF-κB. Through a systematic review of previous studies, we
aimed to address and clarify the reciprocal interaction between TLRs and PPARs in hope to find
alternative therapeutic approaches for inflammatory diseases. Among the available scientific
database, 31 articles were selected for this review. A comprehensive review of this database
confirms the presence of a cross-talk between PPARs and TLRs, indicating that not only
PPARs stimulation may affect the expression level of TLRs via several mechanisms leading to
modulating TLRs activities, but also TLRs have the potential to moderate the expression of PPARs.
We, therefore, conclude that, as a key regulator of the innate immune system, the interaction
between PPARs and TLRs is a potential therapeutic target in disease treatment.
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Affiliation(s)
- Nasim Dana
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Golnaz Vaseghi
- Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical sciences, Isfahan, Iran.,Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
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Liu J, Pan L. Structural bases of the assembly, recognition and disassembly of linear ubiquitin chain. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2018; 1865:1410-1422. [PMID: 29981772 DOI: 10.1016/j.bbamcr.2018.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 06/25/2018] [Accepted: 07/03/2018] [Indexed: 12/31/2022]
Abstract
Linear ubiquitin chain is a latest discovered type of poly-ubiquitin chain that is broadly involved in innate immune and inflammatory pathways. Dysfunctions in its assembly, recognition or disassembly are intimately related with numerous immunodeficiency or autoimmune diseases. Our understanding of the molecular mechanism for linear ubiquitin chain formation, recognition and disassembly has being significantly evolved in recent years, with particular contribution from the biochemical and structural characterizations of related proteins. Here, we focus on the relevant proteins for the synthesis, recognition and digestion of linear ubiquitin chain, and review recent findings to summarize currently known molecular mechanism from a perspective of structural biology.
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Affiliation(s)
- Jianping Liu
- State Key Laboratory of Bioorganic and Natural Products Chemistry, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Lifeng Pan
- State Key Laboratory of Bioorganic and Natural Products Chemistry, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China; Collaborative Innovation Center of Chemistry for Life Sciences, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China.
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5
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Yan S, Liu G, Jin C, Wang Z, Duan Q, Xu J, Xu D. MicroRNA-6869-5p acts as a tumor suppressor via targeting TLR4/NF-κB signaling pathway in colorectal cancer. J Cell Physiol 2018; 233:6660-6668. [PMID: 29206292 DOI: 10.1002/jcp.26316] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 12/04/2017] [Indexed: 12/18/2022]
Abstract
Many studies have implicated that microRNAs (miRNAs), as non-coding RNAs, play important roles in the development and progression of colorectal cancer (CRC). However, little is known about the role of a newly identified miRNA, miR-6869-5p, in CRC. We aim to investigate the modifying effects and underlying mechanisms of miR-6869-5 in colorectal carcinogenesis and progression. Significantly reduced levels of miR-6869-5p were observed in both serum exosomes tumor tissue samples from patients with CRC. The prediction of targets of miR-6869-5p in databases of targetscan, microRNA. ORG and miRDBA revealed that toll-like receptor 4 (TLR4) is a potential target for this miRNA. MiR-6869-5p could inhibit cell proliferation and the production of inflammatory cytokines (TNF-α and IL-6) in CRC cells via directly targeting TLR4. The protective effect of miR-6869-5p from colorectal carcinogenesis was dependent on TLR4/NF-κB signaling pathway. In addition, the 3-year survival was poor among CRC patients with decreased levels of miR-6869-5p in serum exosomes. Thus, miR-6869-5p may serve as a tumor suppressor in CRC, and serum exosomal miR-6869-5p is a promising circulating biomarker for the prediction of CRC prognosis.
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Affiliation(s)
- Shushan Yan
- Department of Gastrointestinal and Anal Diseases Surgery, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Guoyan Liu
- Department of Dermatology, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chengwen Jin
- Functional Laboratory, Clinical Medicine College of Weifang Medical University, Weifang, China
| | - Zengfang Wang
- Department of Gynecology and Obstetrics, Weifang Hospital of Maternal and Child Health, Weifang, China
| | - Quanhong Duan
- Department of Gastrointestinal and Anal Diseases Surgery, The Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Jiang Xu
- Department of Rehabilitation, Huai'an Second People's Hospital, The Affiliated Hospital of Xuzhou Medical University, Huai'an, China
| | - Donghua Xu
- Department of Rheumatology and Immunology, The Affiliated Hospital of Weifang Medical University, Weifang, China.,Clinical Medicine College, Weifang Medical University, Weifang, China
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Rothschild DE, McDaniel DK, Ringel-Scaia VM, Allen IC. Modulating inflammation through the negative regulation of NF-κB signaling. J Leukoc Biol 2018; 103:10.1002/JLB.3MIR0817-346RRR. [PMID: 29389019 PMCID: PMC6135699 DOI: 10.1002/jlb.3mir0817-346rrr] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 12/21/2017] [Accepted: 12/21/2017] [Indexed: 12/16/2022] Open
Abstract
Immune system activation is essential to thwart the invasion of pathogens and respond appropriately to tissue damage. However, uncontrolled inflammation can result in extensive collateral damage underlying a diverse range of auto-inflammatory, hyper-inflammatory, and neoplastic diseases. The NF-κB signaling pathway lies at the heart of the immune system and functions as a master regulator of gene transcription. Thus, this signaling cascade is heavily targeted by mechanisms designed to attenuate overzealous inflammation and promote resolution. Mechanisms associated with the negative regulation of NF-κB signaling are currently under intense investigation and have yet to be fully elucidated. Here, we provide an overview of mechanisms that negatively regulate NF-κB signaling through either attenuation of signal transduction, inhibition of posttranscriptional signaling, or interference with posttranslational modifications of key pathway components. While the regulators discussed for each group are far from comprehensive, they exemplify common mechanistic approaches that inhibit this critical biochemical signaling cascade. Despite their diversity, a commonality among these regulators is their selection of specific targets at key inflection points in the pathway, such as TNF-receptor-associated factor family members or essential kinases. A better understanding of these negative regulatory mechanisms will be essential to gain greater insight related to the maintenance of immune system homeostasis and inflammation resolution. These processes are vital elements of disease pathology and have important implications for targeted therapeutic strategies.
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Affiliation(s)
- Daniel E. Rothschild
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg VA 24061
| | - Dylan K. McDaniel
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg VA 24061
| | - Veronica M. Ringel-Scaia
- Graduate Program in Translational Biology, Medicine, and Health, Virginia Tech, Blacksburg, VA 24061
| | - Irving C. Allen
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg VA 24061
- Graduate Program in Translational Biology, Medicine, and Health, Virginia Tech, Blacksburg, VA 24061
- Department of Basic Science Education, Virginia Tech Carilion School of Medicine, Roanoke, VA 24016
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Frevert CW, Felgenhauer J, Wygrecka M, Nastase MV, Schaefer L. Danger-Associated Molecular Patterns Derived From the Extracellular Matrix Provide Temporal Control of Innate Immunity. J Histochem Cytochem 2018; 66:213-227. [PMID: 29290139 DOI: 10.1369/0022155417740880] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
It is evident that components of the extracellular matrix (ECM) act as danger-associated molecular patterns (DAMPs) through direct interactions with pattern recognition receptors (PRRs) including Toll-like receptors (TLRs) and inflammasomes. Through these interactions, ECM-derived DAMPs autonomously trigger sterile inflammation or prolong pathogen-induced responses through the production of proinflammatory mediators and the recruitment of leukocytes to sites of injury and infection. Recent research, however, suggests that ECM-derived DAMPs are additionally involved in the resolution and fine-tuning of inflammation by orchestrating the production of anti-inflammatory mediators that are required for the resolution of tissue inflammation and the transition to acquired immunity. Thus, in this review, we discuss the current knowledge of the interplay between ECM-derived DAMPs and the innate immune signaling pathways that are activated to provide temporal control of innate immunity.
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Affiliation(s)
- Charles W Frevert
- Center for Lung Biology, University of Washington, Seattle, Washington
| | | | - Malgorzata Wygrecka
- Department of Biochemistry, Faculty of Medicine, Universities of Giessen and Marburg Lung Center, Giessen, Germany
| | - Madalina V Nastase
- Pharmazentrum Frankfurt/ZAFES, Institut für Allgemeine Pharmakologie und Toxikologie, Frankfurt am Main, Germany.,National Institute for Chemical-Pharmaceutical Research and Development, Bucharest, Romania
| | - Liliana Schaefer
- Pharmazentrum Frankfurt/ZAFES, Institut für Allgemeine Pharmakologie und Toxikologie, Frankfurt am Main, Germany
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