1
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Asanomi Y, Kimura T, Shimoda N, Shigemizu D, Niida S, Ozaki K. CRISPR/Cas9-mediated knock-in cells of the late-onset Alzheimer's disease-risk variant, SHARPIN G186R, reveal reduced NF-κB pathway and accelerated Aβ secretion. J Hum Genet 2024; 69:171-176. [PMID: 38351238 PMCID: PMC11043039 DOI: 10.1038/s10038-024-01224-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/27/2023] [Accepted: 01/25/2024] [Indexed: 04/26/2024]
Affiliation(s)
- Yuya Asanomi
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Tetsuaki Kimura
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Nobuyoshi Shimoda
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Daichi Shigemizu
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Shumpei Niida
- Center for Core Facility Administration, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan
| | - Kouichi Ozaki
- Medical Genome Center, Research Institute, National Center for Geriatrics and Gerontology, Obu, Aichi, Japan.
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
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2
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Vela‐Rodríguez C, Yang C, Alanen HI, Eki R, Abbas TA, Maksimainen MM, Glumoff T, Duman R, Wagner A, Paschal BM, Lehtiö L. Oligomerization mediated by the D2 domain of DTX3L is critical for DTX3L-PARP9 reading function of mono-ADP-ribosylated androgen receptor. Protein Sci 2024; 33:e4945. [PMID: 38511494 PMCID: PMC10955461 DOI: 10.1002/pro.4945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/07/2024] [Accepted: 02/11/2024] [Indexed: 03/22/2024]
Abstract
Deltex proteins are a family of E3 ubiquitin ligases that encode C-terminal RING and DTC domains that mediate interactions with E2 ubiquitin-conjugating enzymes and recognize ubiquitination substrates. DTX3L is unique among the Deltex proteins based on its N-terminal domain architecture. The N-terminal D1 and D2 domains of DTX3L mediate homo-oligomerization, and the D3 domain interacts with PARP9, a protein that contains tandem macrodomains with ADP-ribose reader function. While DTX3L and PARP9 are known to heterodimerize, and assemble into a high molecular weight oligomeric complex, the nature of the oligomeric structure, including whether this contributes to the ADP-ribose reader function is unknown. Here, we report a crystal structure of the DTX3L N-terminal D2 domain and show that it forms a tetramer with, conveniently, D2 symmetry. We identified two interfaces in the structure: a major, conserved interface with a surface of 973 Å2 and a smaller one of 415 Å2. Using native mass spectrometry, we observed molecular species that correspond to monomers, dimers and tetramers of the D2 domain. Reconstitution of DTX3L knockout cells with a D1-D2 deletion mutant showed the domain is dispensable for DTX3L-PARP9 heterodimer formation, but necessary to assemble an oligomeric complex with efficient reader function for ADP-ribosylated androgen receptor. Our results suggest that homo-oligomerization of DTX3L is important for the DTX3L-PARP9 complex to read mono-ADP-ribosylation on a ligand-regulated transcription factor.
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Affiliation(s)
- Carlos Vela‐Rodríguez
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Chunsong Yang
- Department of Biochemistry and Molecular GeneticsUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Heli I. Alanen
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Rebeka Eki
- Department of Radiation OncologyUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Tarek A. Abbas
- Department of Radiation OncologyUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Mirko M. Maksimainen
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Tuomo Glumoff
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Ramona Duman
- Diamond Light Source, Harwell Science and Innovation CampusDidcotUK
| | - Armin Wagner
- Diamond Light Source, Harwell Science and Innovation CampusDidcotUK
| | - Bryce M. Paschal
- Department of Biochemistry and Molecular GeneticsUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Lari Lehtiö
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
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3
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Rayner SL, Hogan A, Davidson JM, Cheng F, Luu L, Morsch M, Blair I, Chung R, Lee A. Cyclin F, Neurodegeneration, and the Pathogenesis of ALS/FTD. Neuroscientist 2024; 30:214-228. [PMID: 36062310 DOI: 10.1177/10738584221120182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is the most common form of motor neuron disease and is characterized by the degeneration of upper and lower motor neurons of the brain and spinal cord. ALS is also linked clinically, genetically, and pathologically to a form of dementia known as frontotemporal dementia (FTD). Identifying gene mutations that cause ALS/FTD has provided valuable insight into the disease process. Several ALS/FTD-causing mutations occur within proteins with roles in protein clearance systems. This includes ALS/FTD mutations in CCNF, which encodes the protein cyclin F: a component of a multiprotein E3 ubiquitin ligase that mediates the ubiquitylation of substrates for their timely degradation. In this review, we provide an update on the link between ALS/FTD CCNF mutations and neurodegeneration.
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Affiliation(s)
| | - Alison Hogan
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | | | - Flora Cheng
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | - Luan Luu
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | - Marco Morsch
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | - Ian Blair
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | - Roger Chung
- Macquarie Medical School, Macquarie University, Sydney, Australia
| | - Albert Lee
- Macquarie Medical School, Macquarie University, Sydney, Australia
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4
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Lee YB, Rhee HW. Spray-type modifications: an emerging paradigm in post-translational modifications. Trends Biochem Sci 2024; 49:208-223. [PMID: 38443288 DOI: 10.1016/j.tibs.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 03/07/2024]
Abstract
A post-translational modification (PTM) occurs when a nucleophilic residue (e.g., lysine of a target protein) attacks electrophilic substrate molecules (e.g., acyl-AMP), involving writer enzymes or even occurring spontaneously. Traditionally, this phenomenon was thought to be sequence specific; however, recent research suggests that PTMs can also occur in a non-sequence-specific manner confined to a specific location in a cell. In this Opinion, we compile the accumulated evidence of spray-type PTMs and propose a mechanism for this phenomenon based on the exposure level of reactive electrophilic substrate molecules at the active site of the PTM writers. Overall, a spray-type PTM conceptual framework is useful for comprehending the promiscuous PTM writer events that cannot be adequately explained by the traditional concept of sequence-dependent PTM events.
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Affiliation(s)
- Yun-Bin Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Hyun-Woo Rhee
- Department of Chemistry, Seoul National University, Seoul 08826, Korea; School of Biological Sciences, Seoul National University, Seoul 08826, Korea.
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5
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Xie S, Naslavsky N, Caplan S. Emerging insights into CP110 removal during early steps of ciliogenesis. J Cell Sci 2024; 137:jcs261579. [PMID: 38415788 PMCID: PMC10941660 DOI: 10.1242/jcs.261579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024] Open
Abstract
The primary cilium is an antenna-like projection from the plasma membrane that serves as a sensor of the extracellular environment and a crucial signaling hub. Primary cilia are generated in most mammalian cells, and their physiological significance is highlighted by the large number of severe developmental disorders or ciliopathies that occur when primary ciliogenesis is impaired. Primary ciliogenesis is a tightly regulated process, and a central early regulatory step is the removal of a key mother centriole capping protein, CP110 (also known as CCP110). This uncapping allows vesicles docked on the distal appendages of the mother centriole to fuse to form a ciliary vesicle, which is bent into a ciliary sheath as the microtubule-based axoneme grows and extends from the mother centriole. When the mother centriole migrates toward the plasma membrane, the ciliary sheath fuses with the plasma membrane to form the primary cilium. In this Review, we outline key early steps of primary ciliogenesis, focusing on several novel mechanisms for removal of CP110. We also highlight examples of ciliopathies caused by genetic variants that encode key proteins involved in the early steps of ciliogenesis.
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Affiliation(s)
- Shuwei Xie
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Naava Naslavsky
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Steve Caplan
- Department of Biochemistry & Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198, USA
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
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6
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Gong DA, Zhou P, Chang WY, Yang JY, Zhang YL, Huang AL, Tang N, Wang K. SPOP promotes CREB5 ubiquitination to inhibit MET signaling in liver cancer. Biochim Biophys Acta Mol Cell Res 2024; 1871:119642. [PMID: 37996058 DOI: 10.1016/j.bbamcr.2023.119642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/26/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023]
Abstract
Liver cancer is ranked as the sixth most prevalent from of malignancy globally and stands as the third primary contributor to cancer-related mortality. Metastasis is the main reason for liver cancer treatment failure and patient deaths. Speckle-type POZ protein (SPOP) serves as a crucial substrate junction protein within the cullin-RING E3 ligase complex, acting as a significant tumor suppressor in liver cancer. Nevertheless, the precise molecular mechanism underlying the role of SPOP in liver cancer metastasis remain elusive. In the current study, we identified cAMP response element binding 5 (CREB5) as a novel SPOP substrate in liver cancer. SPOP facilitates non-degradative K63-polyubiquitination of CREB5 on K432 site, consequently hindering its capacity to activate receptor tyrosine kinase MET. Moreover, liver cancer-associated SPOP mutant S119N disrupts the SPOP-CREB5 interactions and impairs the ubiquitination of CREB5.This disruption ultimately leads to the activation of the MET signaling pathway and enhances metastatic properties of hepatoma cells both in vitro and in vivo. In conclusion, our findings highlight the functional significance of the SPOP-CREB5-MET axis in liver cancer metastasis.
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Affiliation(s)
- De-Ao Gong
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Peng Zhou
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Wen-Yi Chang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Jia-Yao Yang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Yan-Lai Zhang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Ai-Long Huang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China
| | - Ni Tang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China.
| | - Kai Wang
- Key Laboratory of Molecular Biology for Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China.
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7
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Immler F, Schneider T, Kovermann M. Targeted Preparation and NMR Spectroscopic Characterization of Lys11-Linked Ubiquitin Trimers. Chembiochem 2024; 25:e202300670. [PMID: 37983597 DOI: 10.1002/cbic.202300670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 11/22/2023]
Abstract
Ubiquitylation refers to the attachment of mono- or poly-ubiquitin molecules to a substrate protein. To shield ubiquitin chains against potential hydrolysis, a facile, click-chemistry based approach was recently established for the generation of site-specifically conjugated ubiquitin dimers relying on triazole-linkage. Here, the preparation of such ubiquitin chains was advanced by the generation of homotypic Lys11-linked ubiquitin trimers considering an isotopic labeling scheme in a moiety-wise manner. The structural and dynamical impact on the ubiquitin unit at proximal, central, or distal position that is potentially invoked by the respective other two moieties was systematically probed by heteronuclear high-resolution NMR spectroscopic approaches. As a result, conjugating a third ubiquitin moiety to the proximal or distal site of a ubiquitin dimer does not alter structural and dynamical characteristics as it has been seen for ubiquitin dimers. This observation suggests that recognition of a homotypically assembled ubiquitin chain by a potential substrate is primarily done by screening the length of a ubiquitin chain rather than relying on subtle changes in structure or dynamic properties of single ubiquitin moieties composing the chain.
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Affiliation(s)
- Fabian Immler
- Universität Konstanz, Department of Chemistry and Graduate School of Chemical Biology (KoRS-CB), Universitätsstraße 10, 78457, Konstanz, Germany
| | - Tobias Schneider
- Universität Konstanz, Department of Chemistry and Graduate School of Chemical Biology (KoRS-CB), Universitätsstraße 10, 78457, Konstanz, Germany
| | - Michael Kovermann
- Universität Konstanz, Department of Chemistry and Graduate School of Chemical Biology (KoRS-CB), Universitätsstraße 10, 78457, Konstanz, Germany
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8
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Teague HC, Lefevre C, Rieser E, Wolfram L, de Miguel D, Patricio de Oliveira D, Oliveira M, Mansur DS, Irigoyen N, Walczak H, Ferguson BJ. LUBAC is required for RIG-I sensing of RNA viruses. Cell Death Differ 2024; 31:28-39. [PMID: 38001254 PMCID: PMC10781740 DOI: 10.1038/s41418-023-01233-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 10/05/2023] [Accepted: 10/12/2023] [Indexed: 11/26/2023] Open
Abstract
The ability of cells to mount an interferon response to virus infections depends on intracellular nucleic acid sensing pattern recognition receptors (PRRs). RIG-I is an intracellular PRR that binds short double-stranded viral RNAs to trigger MAVS-dependent signalling. The RIG-I/MAVS signalling complex requires the coordinated activity of multiple kinases and E3 ubiquitin ligases to activate the transcription factors that drive type I and type III interferon production from infected cells. The linear ubiquitin chain assembly complex (LUBAC) regulates the activity of multiple receptor signalling pathways in both ligase-dependent and -independent ways. Here, we show that the three proteins that constitute LUBAC have separate functions in regulating RIG-I signalling. Both HOIP, the E3 ligase capable of generating M1-ubiquitin chains, and LUBAC accessory protein HOIL-1 are required for viral RNA sensing by RIG-I. The third LUBAC component, SHARPIN, is not required for RIG-I signalling. These data cement the role of LUBAC as a positive regulator of RIG-I signalling and as an important component of antiviral innate immune responses.
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Affiliation(s)
- Helena C Teague
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK
| | - Charlotte Lefevre
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK
| | - Eva Rieser
- Centre for Cell Death, Cancer and inflammation (CCCI), UCL Cancer Institute, University College London, 72 Huntley Street, London, UK
- Centre for Biochemistry, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, Cologne, Germany
| | - Lina Wolfram
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK
| | - Diego de Miguel
- Centre for Cell Death, Cancer and inflammation (CCCI), UCL Cancer Institute, University College London, 72 Huntley Street, London, UK
- Centre for Biochemistry, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, Cologne, Germany
| | - Daniel Patricio de Oliveira
- Departamento de Microbiologia, Imunologia e Parasitologia, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC, Brazil
| | - Marisa Oliveira
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK
| | - Daniel S Mansur
- Departamento de Microbiologia, Imunologia e Parasitologia, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC, Brazil
| | - Nerea Irigoyen
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK
| | - Henning Walczak
- Centre for Cell Death, Cancer and inflammation (CCCI), UCL Cancer Institute, University College London, 72 Huntley Street, London, UK
- Centre for Biochemistry, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 52, Cologne, Germany
| | - Brian J Ferguson
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge, UK.
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9
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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10
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Kalani L, Kim BH, Vincent JB, Ausió J. MeCP2 ubiquitination and sumoylation, in search of a function†. Hum Mol Genet 2023; 33:1-11. [PMID: 37694858 DOI: 10.1093/hmg/ddad150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023] Open
Abstract
MeCP2 (Methyl CpG binding protein 2) is an intrinsically disordered protein that binds to methylated genome regions. The protein is a critical transcriptional regulator of the brain, and its mutations account for 95% of Rett syndrome (RTT) cases. Early studies of this neurodevelopmental disorder revealed a close connection with dysregulations of the ubiquitin system (UbS), notably as related to UBE3A, a ubiquitin ligase involved in the proteasome-mediated degradation of proteins. MeCP2 undergoes numerous post-translational modifications (PTMs), including ubiquitination and sumoylation, which, in addition to the potential functional outcomes of their monomeric forms in gene regulation and synaptic plasticity, in their polymeric organization, these modifications play a critical role in proteasomal degradation. UbS-mediated proteasomal degradation is crucial in maintaining MeCP2 homeostasis for proper function and is involved in decreasing MeCP2 in some RTT-causing mutations. However, regardless of all these connections to UbS, the molecular details involved in the signaling of MeCP2 for its targeting by the ubiquitin-proteasome system (UPS) and the functional roles of monomeric MeCP2 ubiquitination and sumoylation remain largely unexplored and are the focus of this review.
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Affiliation(s)
- Ladan Kalani
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Rd, Victoria, BC V8W 2Y2, Canada
| | - Bo-Hyun Kim
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Rd, Victoria, BC V8W 2Y2, Canada
| | - John B Vincent
- Molecular Neuropsychiatry & Development (MiND) Lab, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, 250 College St, Toronto, ON M5T 1R8, Canada
- Institute of Medical Science, University of Toronto, 27 King's College Cir, Toronto, ON M5S 1A8, Canada
| | - Juan Ausió
- Department of Biochemistry and Microbiology, University of Victoria, 3800 Finnerty Rd, Victoria, BC V8W 2Y2, Canada
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McElrath CJ, Benzow S, Zhuo Y, Marchese A. β-arrestin1 is an E3 ubiquitin ligase adaptor for substrate linear polyubiquitination. J Biol Chem 2023; 299:105474. [PMID: 37981209 PMCID: PMC10755771 DOI: 10.1016/j.jbc.2023.105474] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 10/19/2023] [Accepted: 11/08/2023] [Indexed: 11/21/2023] Open
Abstract
G protein-coupled receptor (GPCR) signaling and trafficking are regulated by multiple mechanisms, including posttranslational modifications such as ubiquitination by E3 ubiquitin ligases. E3 ligases have been linked to agonist-stimulated ubiquitination of GPCRs via simultaneous binding to βarrestins. In addition, βarrestins have been suggested to assist E3 ligases for ubiquitination of key effector molecules, yet mechanistic insight is lacking. Here, we developed an in vitro reconstituted system and show that βarrestin1 (βarr1) serves as an adaptor between the effector protein signal-transducing adaptor molecule 1 (STAM1) and the E3 ligase atrophin-interacting protein 4. Via mass spectrometry, we identified seven lysine residues within STAM1 that are ubiquitinated and several types of ubiquitin linkages. We provide evidence that βarr1 facilitates the formation of linear polyubiquitin chains at lysine residue 136 on STAM1. This lysine residue is important for stabilizing the βarr1:STAM1 interaction in cells following GPCR activation. Our study identifies atrophin-interacting protein 4 as only the second E3 ligase known to conjugate linear polyubiquitin chains and a possible role for linear ubiquitin chains in GPCR signaling and trafficking.
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Affiliation(s)
- Chandler J McElrath
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Sara Benzow
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Ya Zhuo
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Adriano Marchese
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA.
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12
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Vela-Rodríguez C, Yang C, Alanen HI, Eki R, Abbas TA, Maksimainen MM, Glumoff T, Duman R, Wagner A, Paschal BM, Lehtiö L. Oligomerisation mediated by the D2 domain of DTX3L is critical for DTX3L-PARP9 reading function of mono-ADP-ribosylated androgen receptor. bioRxiv 2023:2023.11.29.569193. [PMID: 38076829 PMCID: PMC10705365 DOI: 10.1101/2023.11.29.569193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Deltex proteins are a family of E3 ubiquitin ligases that encode C-terminal RING and DTC domains that mediate interactions with E2 ubiquitin-conjugating enzymes and recognise ubiquitination substrates. DTX3L is unique among the Deltex proteins based on its N-terminal domain architecture. The N-terminal D1 and D2 domains of DTX3L mediate homo-oligomerisation, and the D3 domain interacts with PARP9, a protein that contains tandem macrodomains with ADP-ribose reader function. While DTX3L and PARP9 are known to heterodimerize, they assemble into a high molecular weight oligomeric complex, but the nature of the oligomeric structure, including whether this contributes to the ADP-ribose reader function is unknown. Here, we report a crystal structure of the DTX3L N-terminal D2 domain and show that it forms a tetramer with, conveniently, D2 symmetry. We identified two interfaces in the structure: a major, conserved interface with a surface of 973 Å2 and a smaller one of 415 Å2. Using native mass spectrometry, we observed molecular species that correspond to monomers, dimers and tetramers of the D2 domain. Reconstitution of DTX3L knockout cells with a D1-D2 deletion mutant showed the domain is dispensable for DTX3L-PARP9 heterodimer formation, but necessary to assemble an oligomeric complex with efficient reader function for ADP-ribosylated androgen receptor. Our results suggest that homo-oligomerisation of DTX3L is important for mono-ADP-ribosylation reading by the DTX3L-PARP9 complex and to a ligand-regulated transcription factor.
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Affiliation(s)
- Carlos Vela-Rodríguez
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Chunsong Yang
- Department of Biochemistry and Molecular Genetics, University of Virginia, USA
| | - Heli I. Alanen
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Rebeka Eki
- Department of Radiation Oncology, University of Virginia, USA
| | - Tarek A. Abbas
- Department of Radiation Oncology, University of Virginia, USA
| | - Mirko M. Maksimainen
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Tuomo Glumoff
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Ramona Duman
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Armin Wagner
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Bryce M. Paschal
- Department of Biochemistry and Molecular Genetics, University of Virginia, USA
| | - Lari Lehtiö
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
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13
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Li J, Liu S, Li S. Mechanisms underlying linear ubiquitination and implications in tumorigenesis and drug discovery. Cell Commun Signal 2023; 21:340. [PMID: 38017534 PMCID: PMC10685518 DOI: 10.1186/s12964-023-01239-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/19/2023] [Indexed: 11/30/2023] Open
Abstract
Linear ubiquitination is a distinct type of ubiquitination that involves attaching a head-to-tail polyubiquitin chain to a substrate protein. Early studies found that linear ubiquitin chains are essential for the TNFα- and IL-1-mediated NF-κB signaling pathways. However, recent studies have discovered at least sixteen linear ubiquitination substrates, which exhibit a broader activity than expected and mediate many other signaling pathways beyond NF-κB signaling. Dysregulation of linear ubiquitination in these pathways has been linked to many types of cancers, such as lymphoma, liver cancer, and breast cancer. Since the discovery of linear ubiquitin, extensive effort has been made to delineate the molecular mechanisms of how dysregulation of linear ubiquitination causes tumorigenesis and cancer development. In this review, we highlight newly discovered linear ubiquitination-mediated signaling pathways, recent advances in the role of linear ubiquitin in different types of cancers, and the development of linear ubiquitin inhibitors. Video Abstract.
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Affiliation(s)
- Jack Li
- Department of Biosciences, Rice University, Houston, TX, 77005, USA
| | - Sijin Liu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China.
| | - Shitao Li
- Department of Microbiology and Immunology, Tulane University, New Orleans, LA, 70112, USA.
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14
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Boll V, Hermanns T, Uthoff M, Erven I, Hörner EM, Kozjak-Pavlovic V, Baumann U, Hofmann K. Functional and structural diversity in deubiquitinases of the Chlamydia-like bacterium Simkania negevensis. Nat Commun 2023; 14:7335. [PMID: 37957213 PMCID: PMC10643670 DOI: 10.1038/s41467-023-43144-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Besides the regulation of many cellular pathways, ubiquitination is important for defense against invading pathogens. Some intracellular bacteria have evolved deubiquitinase (DUB) effector proteins, which interfere with the host ubiquitin system and help the pathogen to evade xenophagy and lysosomal degradation. Most intracellular bacteria encode one or two DUBs, which are often linkage-promiscuous or preferentially cleave K63-linked chains attached to bacteria or bacteria-containing vacuoles. By contrast, the respiratory pathogen Legionella pneumophila possesses a much larger number of DUB effectors, including a K6-specific enzyme belonging to the OTU family and an M1-specific DUB uniquely found in this bacterium. Here, we report that the opportunistic pathogen Simkania negevensis, which is unrelated to Legionella but has a similar lifestyle, encodes a similarly large number of DUBs, including M1- and K6-specific enzymes. Simkania DUBs are highly diverse and include DUB classes never before seen in bacteria. Interestingly, the M1- and K6-specific DUBs of Legionella and Simkania are unrelated, suggesting that their acquisition occurred independently. We characterize the DUB activity of eight Simkania-encoded enzymes belonging to five different DUB classes. We also provide a structural basis for the M1-specificity of a Simkania DUB, which most likely evolved from a eukaryotic otubain-like precursor.
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Affiliation(s)
- Vanessa Boll
- Institute for Genetics, University of Cologne, Cologne, Germany
| | - Thomas Hermanns
- Institute for Genetics, University of Cologne, Cologne, Germany
| | - Matthias Uthoff
- Institute of Biochemistry, University of Cologne, Cologne, Germany
- Bayer AG, Research & Development, Pharmaceuticals, Biologics Research, Wuppertal, Germany
| | - Ilka Erven
- Institute for Genetics, University of Cologne, Cologne, Germany
| | - Eva-Maria Hörner
- Chair of Microbiology, Biocenter, Julius Maximilian University, Würzburg, Würzburg, Germany
| | - Vera Kozjak-Pavlovic
- Chair of Microbiology, Biocenter, Julius Maximilian University, Würzburg, Würzburg, Germany
| | - Ulrich Baumann
- Institute of Biochemistry, University of Cologne, Cologne, Germany
| | - Kay Hofmann
- Institute for Genetics, University of Cologne, Cologne, Germany.
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15
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Park HB, Baek KH. Current and future directions of USP7 interactome in cancer study. Biochim Biophys Acta Rev Cancer 2023; 1878:188992. [PMID: 37775071 DOI: 10.1016/j.bbcan.2023.188992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/14/2023] [Accepted: 09/23/2023] [Indexed: 10/01/2023]
Abstract
The ubiquitin-proteasome system (UPS) is an essential protein quality controller for regulating protein homeostasis and autophagy. Ubiquitination is a protein modification process that involves the binding of one or more ubiquitins to substrates through a series of enzymatic processes. These include ubiquitin-activating enzymes (E1), ubiquitin-conjugating enzymes (E2), and ubiquitin ligases (E3). Conversely, deubiquitination is a reverse process that removes ubiquitin from substrates via deubiquitinating enzymes (DUBs). Dysregulation of ubiquitination-related enzymes can lead to various human diseases, including cancer, through the modulation of protein ubiquitination. The most structurally and functionally studied DUB is the ubiquitin-specific protease 7 (USP7). Both the TRAF and UBL domains of USP7 are known to bind to the [P/A/E]-X-X-S or K-X-X-X-K motif of substrates. USP7 has been shown to be involved in cancer pathogenesis by binding with numerous substrates. Recently, a novel substrate of USP7 was discovered through a systemic analysis of its binding motif. This review summarizes the currently discovered substrates and cellular functions of USP7 in cancer and suggests putative substrates of USP7 through a comprehensive systemic analysis.
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Affiliation(s)
- Hong-Beom Park
- Department of Convergence, CHA University, Gyeonggi-Do 13488, Republic of Korea
| | - Kwang-Hyun Baek
- Department of Convergence, CHA University, Gyeonggi-Do 13488, Republic of Korea; International Ubiquitin Center(,) CHA University, Gyeonggi-Do 13488, Republic of Korea.
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16
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De Silva ARI, Shrestha S, Page RC. Real-time bio-layer interferometry ubiquitination assays as alternatives to western blotting. Anal Biochem 2023; 679:115296. [PMID: 37604387 PMCID: PMC10529061 DOI: 10.1016/j.ab.2023.115296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/13/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Ubiquitination is a crucial cellular pathway enabling normal cellular functions. Abnormalities in the ubiquitination process can lead to cellular dysfunction and cause a range of diseases. Efforts to screen and develop small molecule inhibitors targeting portions of the ubiquitination cascade require rapid and robust methods for detecting ubiquitination. Enormous efforts have been made in the field to detect ubiquitination using various techniques including fluorescence, spectrophotometry, chemiluminescence, NMR, and radioactive tracers. The most common method to detect ubiquitination is western blotting. However, western blotting is time-consuming and difficult to use when seeking fine-grained time course experiments. Here we present the use of bio-layer interferometry to rapidly assay ubiquitination in real-time. An E3 ligase auto-ubiquitination system and a substrate ubiquitination assay have been applied as tests for the newly developed assay. The developed BLI ubiquitination assay provides one-second time resolution and detects the formation of polyubiquitin chains directly on a biosensor-bound target. Results are returned instantaneously, and reagent concentrations are identical to those used by traditional western blot-based ubiquitination assays. The developed BLI ubiquitination assay is a viable alternative to traditional western blot assays to detect ubiquitination in a rapid real-time manner.
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Affiliation(s)
- Anthony Ruvindi I De Silva
- Department of Chemistry and Biochemistry, 651 East High Street, Miami University, Oxford, OH, 45056, United States
| | - Shreesti Shrestha
- Department of Chemistry and Biochemistry, 651 East High Street, Miami University, Oxford, OH, 45056, United States
| | - Richard C Page
- Department of Chemistry and Biochemistry, 651 East High Street, Miami University, Oxford, OH, 45056, United States.
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17
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Mello-Vieira J, Bopp T, Dikic I. Ubiquitination and cell-autonomous immunity. Curr Opin Immunol 2023; 84:102368. [PMID: 37451128 DOI: 10.1016/j.coi.2023.102368] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 07/18/2023]
Abstract
Cell-autonomous immunity is the first line of defense by which cells recognize and contribute to eliminating invasive pathogens. It is composed of immune signaling networks that sense microbial pathogens, promote pathogen restriction, and stimulate their elimination, including host cell death. Ubiquitination is a pivotal orchestrator of these pathways, by changing the activity of signal transducers and effector proteins in an efficient way. In this review, we will focus on how ubiquitin connects the pathways that sense pathogens to the cellular responses to invaders and shed light on how ubiquitination impacts the microenvironment around the infected cell, stimulating the appropriate immune response. Finally, we discuss therapeutic options directed at favoring cell-autonomous immune responses to infection.
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Affiliation(s)
- João Mello-Vieira
- Institute of Biochemistry II, Medical Faculty, Goethe-University, Frankfurt am Main, Germany; Buchmann Institute for Molecular Life Sciences, Frankfurt am Main, Germany
| | - Tobias Bopp
- Institute for Immunology, University Medical Center, Johannes Gutenberg University, Mainz, Germany.
| | - Ivan Dikic
- Institute of Biochemistry II, Medical Faculty, Goethe-University, Frankfurt am Main, Germany; Buchmann Institute for Molecular Life Sciences, Frankfurt am Main, Germany; Max Planck Institute for Biophysics, Frankfurt am Main, Germany.
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18
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Li S, Song Y, Wang K, Liu G, Dong X, Yang F, Chen G, Cao C, Zhang H, Wang M, Li Y, Zeng T, Liu C, Li B. USP32 deubiquitinase: cellular functions, regulatory mechanisms, and potential as a cancer therapy target. Cell Death Discov 2023; 9:338. [PMID: 37679322 PMCID: PMC10485055 DOI: 10.1038/s41420-023-01629-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/18/2023] [Accepted: 08/24/2023] [Indexed: 09/09/2023] Open
Abstract
An essential protein regulatory system in cells is the ubiquitin-proteasome pathway. The substrate is modified by the ubiquitin ligase system (E1-E2-E3) in this pathway, which is a dynamic protein bidirectional modification regulation system. Deubiquitinating enzymes (DUBs) are tasked with specifically hydrolyzing ubiquitin molecules from ubiquitin-linked proteins or precursor proteins and inversely regulating protein degradation, which in turn affects protein function. The ubiquitin-specific peptidase 32 (USP32) protein level is associated with cell cycle progression, proliferation, migration, invasion, and other cellular biological processes. It is an important member of the ubiquitin-specific protease family. It is thought that USP32, a unique enzyme that controls the ubiquitin process, is closely linked to the onset and progression of many cancers, including small cell lung cancer, gastric cancer, breast cancer, epithelial ovarian cancer, glioblastoma, gastrointestinal stromal tumor, acute myeloid leukemia, and pancreatic adenocarcinoma. In this review, we focus on the multiple mechanisms of USP32 in various tumor types and show that USP32 controls the stability of many distinct proteins. Therefore, USP32 is a key and promising therapeutic target for tumor therapy, which could provide important new insights and avenues for antitumor drug development. The therapeutic importance of USP32 in cancer treatment remains to be further proven. In conclusion, there are many options for the future direction of USP32 research.
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Grants
- Bing Li, Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China Chunyan Liu, Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
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Affiliation(s)
- Shuang Li
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Yang Song
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Kexin Wang
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Guoxiang Liu
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xiaolei Dong
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Fanghao Yang
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Guang Chen
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Can Cao
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Huhu Zhang
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Mengjun Wang
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Ya Li
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Teng Zeng
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Chunyan Liu
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
| | - Bing Li
- Department of Genetics and Cell Biology, School of Basic Medicine, Qingdao University, Qingdao, China.
- Department of Hematology, The Affiliated Hospital of Qingdao University, Qingdao, China.
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19
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De Silva ARI, Page RC. Ubiquitination detection techniques. Exp Biol Med (Maywood) 2023; 248:1333-1346. [PMID: 37787047 PMCID: PMC10625345 DOI: 10.1177/15353702231191186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023] Open
Abstract
Ubiquitination is an intricately regulated post-translational modification that involves the covalent attachment of ubiquitin to a substrate protein. The complex dynamic nature of the ubiquitination process regulates diverse cellular functions including targeting proteins for degradation, cell cycle, deoxyribonucleic acid (DNA) damage repair, and numerous cell signaling pathways. Ubiquitination also serves as a crucial mechanism in protein quality control. Dysregulation in ubiquitination could result in lethal disease conditions such as cancers and neurodegenerative diseases. Therefore, the ubiquitination cascade has become an attractive target for therapeutic interventions. Enormous efforts have been made to detect ubiquitination involving different detection techniques to better grasp the underlying molecular mechanisms of ubiquitination. This review discusses a wide range of techniques stretching from the simplest assays to real-time assays. This includes western blotting/immunoblotting, fluorescence assays, chemiluminescence assays, spectrophotometric assays, and nanopore sensing assays. This review compares these applications, and the inherent advantages and limitations.
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Affiliation(s)
| | - Richard C Page
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, USA
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20
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Kuang X, Zhang Z, Li D, Bao W, Pan J, Zhou P, Chen H, Gao Z, Xie X, Yang C, Zhu G, Zhou Z, Tang R, Feng Z, Zhou L, Feng X, Wang L, Yang J, Jiang L. Peptidase inhibitor (PI16) impairs bladder cancer metastasis by inhibiting NF-κB activation via disrupting multiple-site ubiquitination of NEMO. Cell Mol Biol Lett 2023; 28:62. [PMID: 37525118 PMCID: PMC10388466 DOI: 10.1186/s11658-023-00465-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 06/14/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND Bladder cancer (BLCA) is a malignancy that frequently metastasizes and leads to poor patient prognosis. It is essential to understand the molecular mechanisms underlying the progression and metastasis of BLCA and identify potential biomarkers. METHODS The expression of peptidase inhibitor 16 (PI16) was analysed using quantitative PCR, immunoblotting and immunohistochemistry assays. The functional roles of PI16 were evaluated using wound healing, transwell, and human umbilical vein endothelial cell tube formation assays, as well as in vivo tumour models. The effects of PI16 on nuclear factor κB (NF-κB) signalling activation were examined using luciferase reporter gene systems, immunoblotting and immunofluorescence assays. Co-immunoprecipitation was used to investigate the interaction of PI16 with annexin-A1 (ANXA1) and NEMO. RESULTS PI16 expression was downregulated in bladder cancer tissues, and lower PI16 levels correlated with disease progression and poor survival in patients with BLCA. Overexpressing PI16 inhibited BLCA cell growth, motility, invasion and angiogenesis in vitro and in vivo, while silencing PI16 had the opposite effects. Mechanistically, PI16 inhibited the activation of the NF-κB pathway by interacting with ANXA1, which inhibited K63 and M1 ubiquitination of NEMO. CONCLUSIONS These results indicate that PI16 functions as a tumour suppressor in BLCA by inhibiting tumour growth and metastasis. Additionally, PI16 may serve as a potential biomarker for metastatic BLCA.
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Affiliation(s)
- Xiangqin Kuang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
- Department of Medical Imaging, Health Science Center, Hubei Minzu University, Enshi, 445000, China
| | - Zhuojun Zhang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Difeng Li
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
- Department of Pathology, School of Medicine, Women's Hospital, Zhejiang University, 310006, Hangzhou, China
| | - Wenhao Bao
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jinyuan Pan
- Department of Oncology, Huanggang Central Hospital of Yangtze University, Huanggang, 438000, China
| | - Ping Zhou
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Han Chen
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zhiqing Gao
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Xiaoyi Xie
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Chunxiao Yang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ge Zhu
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China
| | - Zhongqiu Zhou
- Meishan Women and Children's Hospital, Alliance Hospital of West China Second University Hospital, Sichuan University, Meishan, 620000, China
| | - Ruiming Tang
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou, 511518, China
| | - Zhengfu Feng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou, 511518, China
| | - Lihuan Zhou
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou, 511518, China
| | - Xiaoli Feng
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Guangzhou, 511518, China
| | - Lan Wang
- Department of Pathogen Biology and Immunology, School of Basic Courses, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jianan Yang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China.
- Department of Urologic Oncosurgery, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China.
| | - Lili Jiang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, 510095, China.
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, School of Basic Medical Science, Guangzhou Medical University, Guangzhou, 511436, China.
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21
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Carman LE, Samulevich ML, Aneskievich BJ. Repressive Control of Keratinocyte Cytoplasmic Inflammatory Signaling. Int J Mol Sci 2023; 24:11943. [PMID: 37569318 PMCID: PMC10419196 DOI: 10.3390/ijms241511943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
The overactivity of keratinocyte cytoplasmic signaling contributes to several cutaneous inflammatory and immune pathologies. An important emerging complement to proteins responsible for this overactivity is signal repression brought about by several proteins and protein complexes with the native role of limiting inflammation. The signaling repression by these proteins distinguishes them from transmembrane receptors, kinases, and inflammasomes, which drive inflammation. For these proteins, defects or deficiencies, whether naturally arising or in experimentally engineered skin inflammation models, have clearly linked them to maintaining keratinocytes in a non-activated state or returning cells to a post-inflamed state after a signaling event. Thus, together, these proteins help to resolve acute inflammatory responses or limit the development of chronic cutaneous inflammatory disease. We present here an integrated set of demonstrated or potentially inflammation-repressive proteins or protein complexes (linear ubiquitin chain assembly complex [LUBAC], cylindromatosis lysine 63 deubiquitinase [CYLD], tumor necrosis factor alpha-induced protein 3-interacting protein 1 [TNIP1], A20, and OTULIN) for a comprehensive view of cytoplasmic signaling highlighting protein players repressing inflammation as the needed counterpoints to signal activators and amplifiers. Ebb and flow of players on both sides of this inflammation equation would be of physiological advantage to allow acute response to damage or pathogens and yet guard against chronic inflammatory disease. Further investigation of the players responsible for repressing cytoplasmic signaling would be foundational to developing new chemical-entity pharmacologics to stabilize or enhance their function when clinical intervention is needed to restore balance.
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Affiliation(s)
- Liam E. Carman
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Michael L. Samulevich
- Graduate Program in Pharmacology & Toxicology, University of Connecticut, Storrs, CT 06269-3092, USA; (L.E.C.); (M.L.S.)
| | - Brian J. Aneskievich
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Connecticut, Storrs, CT 06269-3092, USA
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22
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Kim Y, Kim EK, Chey Y, Song MJ, Jang HH. Targeted Protein Degradation: Principles and Applications of the Proteasome. Cells 2023; 12:1846. [PMID: 37508510 PMCID: PMC10378610 DOI: 10.3390/cells12141846] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
The proteasome is a multi-catalytic protease complex that is involved in protein quality control via three proteolytic activities (i.e., caspase-, trypsin-, and chymotrypsin-like activities). Most cellular proteins are selectively degraded by the proteasome via ubiquitination. Moreover, the ubiquitin-proteasome system is a critical process for maintaining protein homeostasis. Here, we briefly summarize the structure of the proteasome, its regulatory mechanisms, proteins that regulate proteasome activity, and alterations to proteasome activity found in diverse diseases, chemoresistant cells, and cancer stem cells. Finally, we describe potential therapeutic modalities that use the ubiquitin-proteasome system.
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Affiliation(s)
- Yosup Kim
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
| | - Eun-Kyung Kim
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
| | - Yoona Chey
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
| | - Min-Jeong Song
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
| | - Ho Hee Jang
- Department of Biochemistry, College of Medicine, Gachon University, Incheon 21999, Republic of Korea
- Department of Health Sciences and Technology, Gachon Advanced Institute for Health Sciences and Technology (GAIHST), Gachon University, Incheon 21999, Republic of Korea
- Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Republic of Korea
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23
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De Cesare V. MALDI-TOF Mass Spectrometry for interrogating ubiquitin enzymes. Front Mol Biosci 2023; 10:1184934. [PMID: 37234921 PMCID: PMC10206504 DOI: 10.3389/fmolb.2023.1184934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 04/13/2023] [Indexed: 05/28/2023] Open
Abstract
The attachment of ubiquitin to a substrate (ubiquitination or ubiquitylation) impacts its lifetime and regulates its function within the cell. Several classes of enzymes oversee the attachment of ubiquitin to the substrate: an E1 activating enzyme that makes ubiquitin chemically susceptible prior to the following stages of conjugation and ligation, respectively mediated by E2 conjugating enzymes (E2s) and E3 ligases (E3s). Around 40 E2s and more than 600 E3s are encoded in the human genome, and their combinatorial and cooperative behaviour dictate the tight specificity necessary for the regulation of thousands of substrates. The removal of ubiquitin is orchestrated by a network of about 100 deubiquitylating enzymes (DUBs). Many cellular processes are tightly controlled by ubiquitylation, which is essential in maintaining cellular homeostasis. Because of the fundamental role(s) of ubiquitylation, there is an interest in better understanding the function and specificity of the ubiquitin machinery. Since 2014, an expanding array of Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) Mass Spectrometry (MS) assays have been developed to systematically characterise the activity of a variety of ubiquitin enzymes in vitro. Here we recapitulate how MALDI-TOF MS aided the in vitro characterization of ubiquitin enzymes and the discovery of new and unexpected of E2s and DUBs functions. Given the versatility of the MALDI-TOF MS approach, we foreseen the use of this technology to further expand our understanding of ubiquitin and ubiquitin-like enzymes.
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Affiliation(s)
- Virginia De Cesare
- MRC Protein Phosphorylation and Ubiquitylation Unit, Sir James Black Centre, School of Life Sciences, University of Dundee, Dundee, United Kingdom
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24
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Jeon S, Kang J, Lee SB. BC-1215 inhibits ATP-induced IL-1β secretion via the FBXL2-mediated ubiquitination and degradation of not only NLRP3, but also pro-IL-1β in LPS-primed THP-1 cells. Biochem Biophys Res Commun 2023; 657:128-135. [PMID: 37004285 DOI: 10.1016/j.bbrc.2023.03.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/15/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
BC-1215, bis-pyridinyl benzyl ethanediamine, is an inhibitor of F-box only protein 3 (FBXO3) and exerts anti-inflammatory effects. BC-1215 inhibits interactions between FBXO3-F-box and the leucine rich repeat protein 2 (FBXL2), leading to the upregulation of FBXL2 expression, FBXL2-mediated ubiquitination and the degradation of tumor necrosis factor receptor (TNFR)-associated factor 6 (TRAF6) or NOD-, LRR- and the pyrin domain-containing protein 3 (NLRP3), which subsequently results in the down-regulation of inflammatory cytokine production. In the current study, we investigated the issue of whether or how BC-1215 suppresses the ATP-induced secretion of IL-1β in LPS-primed human macrophage-like cells, THP-1 cells. Our result show that pre-treatment with BC-1215 attenuated the ATP-induced secretion of IL-1β in LPS-primed THP-1 cells. Treatment of the LPS-primed THP-1 cells with BC-1215 resulted in a decrease in the level of NLRP3 and pro-IL-1β at the protein level, but not at the mRNA level. In addition, treatment with MG-132, but not leupeptin, inhibited the BC-1215-induced degradation of NLRP3 and pro-IL-1β proteins, and restored their levels, suggesting that BC-1215 decreases the stability of NLRP3 and pro-IL-1β at the protein level via proteasome-dependent degradation. Our results also show that FBXL2, which is increased by BC-1215, bound to and ubiquitinated NLRP3 and pro-IL-1β, but not pro-caspase-1. These collective results indicate that treatment with BC-1215, an inhibitor of FBXO3, inhibits ATP-induced IL-1β secretion via the FBXL2-mediated ubiquitination and degradation of pro-IL-1β as well as NLRP3 in LPS-primed THP-1 cells, suggesting that FBXO3 is a potential therapeutic target for developing agents against inflammatory diseases.
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25
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Kim KM. Unveiling the Differences in Signaling and Regulatory Mechanisms between Dopamine D2 and D3 Receptors and Their Impact on Behavioral Sensitization. Int J Mol Sci 2023; 24:ijms24076742. [PMID: 37047716 PMCID: PMC10095578 DOI: 10.3390/ijms24076742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/09/2023] Open
Abstract
Dopamine receptors are classified into five subtypes, with D2R and D3R playing a crucial role in regulating mood, motivation, reward, and movement. Whereas D2R are distributed widely across the brain, including regions responsible for motor functions, D3R are primarily found in specific areas related to cognitive and emotional functions, such as the nucleus accumbens, limbic system, and prefrontal cortex. Despite their high sequence homology and similar signaling pathways, D2R and D3R have distinct regulatory properties involving desensitization, endocytosis, posttranslational modification, and interactions with other cellular components. In vivo, D3R is closely associated with behavioral sensitization, which leads to increased dopaminergic responses. Behavioral sensitization is believed to result from D3R desensitization, which removes the inhibitory effect of D3R on related behaviors. Whereas D2R maintains continuous signal transduction through agonist-induced receptor phosphorylation, arrestin recruitment, and endocytosis, which recycle and resensitize desensitized receptors, D3R rarely undergoes agonist-induced endocytosis and instead is desensitized after repeated agonist exposure. In addition, D3R undergoes more extensive posttranslational modifications, such as glycosylation and palmitoylation, which are needed for its desensitization. Overall, a series of biochemical settings more closely related to D3R could be linked to D3R-mediated behavioral sensitization.
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Affiliation(s)
- Kyeong-Man Kim
- Department of Pharmacology, College of Pharmacy, Chonnam National University, Gwang-Ju 61186, Republic of Korea
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26
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Goel S, Oliva R, Jeganathan S, Bader V, Krause LJ, Kriegler S, Stender ID, Christine CW, Nakamura K, Hoffmann JE, Winter R, Tatzelt J, Winklhofer KF. Linear ubiquitination induces NEMO phase separation to activate NF-κB signaling. Life Sci Alliance 2023; 6:e202201607. [PMID: 36720498 PMCID: PMC9889916 DOI: 10.26508/lsa.202201607] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 01/09/2023] [Accepted: 01/09/2023] [Indexed: 02/02/2023] Open
Abstract
The NF-κB essential modulator NEMO is the core regulatory component of the inhibitor of κB kinase complex, which is a critical checkpoint in canonical NF-κB signaling downstream of innate and adaptive immune receptors. In response to various stimuli, such as TNF or IL-1β, NEMO binds to linear or M1-linked ubiquitin chains generated by LUBAC, promoting its oligomerization and subsequent activation of the associated kinases. Here we show that M1-ubiquitin chains induce phase separation of NEMO and the formation of NEMO assemblies in cells after exposure to IL-1β. Phase separation is promoted by both binding of NEMO to linear ubiquitin chains and covalent linkage of M1-ubiquitin to NEMO and is essential but not sufficient for its phase separation. Supporting the functional relevance of NEMO phase separation in signaling, a pathogenic NEMO mutant, which is impaired in both binding and linkage to linear ubiquitin chains, does not undergo phase separation and is defective in mediating IL-1β-induced NF-κB activation.
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Affiliation(s)
- Simran Goel
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
| | - Rosario Oliva
- Physical Chemistry I-Biophysical Chemistry, Department of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Sadasivam Jeganathan
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
| | - Verian Bader
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
| | - Laura J Krause
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
- RESOLV Cluster of Excellence, Ruhr University Bochum, Bochum, Germany
| | - Simon Kriegler
- Physical Chemistry I-Biophysical Chemistry, Department of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
| | - Isabelle D Stender
- Protein Chemistry Facility, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | | | - Ken Nakamura
- Department of Neurology, UCSF, San Francisco, CA, USA
- Gladstone Institute of Neurological Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Jan-Erik Hoffmann
- Protein Chemistry Facility, Max Planck Institute of Molecular Physiology, Dortmund, Germany
| | - Roland Winter
- Physical Chemistry I-Biophysical Chemistry, Department of Chemistry and Chemical Biology, TU Dortmund University, Dortmund, Germany
- RESOLV Cluster of Excellence, Ruhr University Bochum, Bochum, Germany
| | - Jörg Tatzelt
- RESOLV Cluster of Excellence, Ruhr University Bochum, Bochum, Germany
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
| | - Konstanze F Winklhofer
- Department Molecular Cell Biology, Institute of Biochemistry and Pathobiochemistry, Ruhr University Bochum, Bochum, Germany
- RESOLV Cluster of Excellence, Ruhr University Bochum, Bochum, Germany
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27
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Abstract
Our understanding of the ubiquitin code has greatly evolved from conventional E1, E2 and E3 enzymes that modify Lys residues on specific substrates with a single type of ubiquitin chain to more complex processes that regulate and mediate ubiquitylation. In this Review, we discuss recently discovered endogenous mechanisms and unprecedented pathways by which pathogens rewrite the ubiquitin code to promote infection. These processes include unconventional ubiquitin modifications involving ester linkages with proteins, lipids and sugars, or ubiquitylation through a phosphoribosyl bridge involving Arg42 of ubiquitin. We also introduce the enzymatic pathways that write and reverse these modifications, such as the papain-like proteases of severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2. Furthermore, structural studies have revealed that the ultimate functions of ubiquitin are mediated not simply by straightforward recognition by ubiquitin-binding domains. Instead, elaborate multivalent interactions between ubiquitylated targets or ubiquitin chains and their readers (for example, the proteasome, the MLL1 complex or DOT1L) can elicit conformational changes that regulate protein degradation or transcription. The newly discovered mechanisms provide opportunities for innovative therapeutic interventions for diseases such as cancer and infectious diseases.
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Affiliation(s)
- Ivan Dikic
- Institute of Biochemistry II, Faculty of Medicine, Goethe University, Frankfurt, Germany.
- Buchmann Institute for Molecular Life Sciences, Goethe University, Frankfurt, Germany.
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28
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Pedrosa AG, Francisco T, Rodrigues TA, Ferreira MJ, van der Heden van Noort GJ, Azevedo JE. The Extraction Mechanism of Monoubiquitinated PEX5 from the Peroxisomal Membrane. J Mol Biol 2023; 435:167896. [PMID: 36442669 DOI: 10.1016/j.jmb.2022.167896] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022]
Abstract
The AAA ATPases PEX1•PEX6 extract PEX5, the peroxisomal protein shuttling receptor, from the peroxisomal membrane so that a new protein transport cycle can start. Extraction requires ubiquitination of PEX5 at residue 11 and involves a threading mechanism, but how exactly this occurs is unclear. We used a cell-free in vitro system and a variety of engineered PEX5 and ubiquitin molecules to challenge the extraction machinery. We show that PEX5 modified with a single ubiquitin is a substrate for extraction and extend previous findings proposing that neither the N- nor the C-terminus of PEX5 are required for extraction. Chimeric PEX5 molecules possessing a branched polypeptide structure at their C-terminal domains can still be extracted from the peroxisomal membrane thus suggesting that the extraction machinery can thread more than one polypeptide chain simultaneously. Importantly, we found that the PEX5-linked monoubiquitin is unfolded at a pre-extraction stage and, accordingly, an intra-molecularly cross-linked ubiquitin blocked extraction when conjugated to residue 11 of PEX5. Collectively, our data suggest that the PEX5-linked monoubiquitin is the extraction initiator and that the complete ubiquitin-PEX5 conjugate is threaded by PEX1•PEX6.
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Affiliation(s)
- Ana G Pedrosa
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Tânia Francisco
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Tony A Rodrigues
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Maria J Ferreira
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Gerbrand J van der Heden van Noort
- Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC, Leiden, The Netherlands
| | - Jorge E Azevedo
- Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135 Porto, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal.
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29
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Rut W, Zmudzinski M, Drag M. Design and Synthesis of Ubiquitin-Based Chemical Tools with Unnatural Amino Acids for Selective Detection of Deubiquitinases. Methods Mol Biol 2023; 2591:59-78. [PMID: 36350543 DOI: 10.1007/978-1-0716-2803-4_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Several chemical approaches have been applied to develop Ub-based substrates and probes selective toward one or a narrow subset of deubiquitinases (DUBs). Since DUBs are highly specific toward ubiquitin and exhibit low activity toward shorter peptides, it is challenging to design truly selective chemical tools to investigate one DUB in biological samples. Incorporating amino acids other than canonical LRG at the P4-P2 positions in the Ub improves DUB activity and selectivity toward Ub derivatives. Here, we describe the protocol for identifying selective peptide sequences using a hybrid combinatorial substrate library (HyCoSuL) approach that can be introduced in the C-terminal motif of Ub. Furthermore, we describe the synthesis protocol of Ub-based probes and substrates containing unnatural amino acids and the application of Ub-based probes to detect DUBs in cell lysates.
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Affiliation(s)
- Wioletta Rut
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wroclaw, Poland.
| | - Mikolaj Zmudzinski
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wroclaw, Poland
| | - Marcin Drag
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wroclaw, Poland
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30
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Abstract
The traditional textbook describes ubiquitylation as the conjugation of ubiquitin to a target by forming a covalent bond connecting ubiquitin's carboxy-terminal glycine residue with an acceptor amino acid like lysine or amino-terminal methionine in the substrate protein. While this adequately depicts a significant fraction of cellular ubiquitylation processes, a growing number of ubiquitin modifications do not follow this rule. Recent data demonstrate that ubiquitin can also be efficiently attached to other amino acids, such as cysteine, serine, and threonine, via ester bonding. Initially observed for a virus-encoded ubiquitin ligase, which targets a cysteine residue in a host protein to initiate its degradation, ester-linked ubiquitylation is now shown to also drive regular cellular processes. These ubiquitylation events expand the complexity and diversity of ubiquitin signaling and broaden the capability of cellular messages in the so-called ubiquitin code. Still, questions on the prevalence, relevance, and involvement in physiological and cellular functions await clearing. In this review, we aim to summarize our knowledge on ester-linked ubiquitylation and introduce experimental strategies to circumvent technical issues that complicate analysis of this uncommon posttranslational modification.
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Affiliation(s)
- Alba Ferri-Blazquez
- Max-Delbrück-Center for Molecular Medicine in the Helmholz Association, Berlin Buch, Germany.
- Institute for Biology, Humboldt-Universität zu Berlin, Berlin, Germany.
| | - Ernst Jarosch
- Max-Delbrück-Center for Molecular Medicine in the Helmholz Association, Berlin Buch, Germany
| | - Thomas Sommer
- Max-Delbrück-Center for Molecular Medicine in the Helmholz Association, Berlin Buch, Germany
- Institute for Biology, Humboldt-Universität zu Berlin, Berlin, Germany
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31
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Gonzalez-Santamarta M, Ceccato L, Carvalho AS, Rain JC, Matthiesen R, Rodriguez MS. Isolation and Mass Spectrometry Identification of K48 and K63 Ubiquitin Proteome Using Chain-Specific Nanobodies. Methods Mol Biol 2023; 2602:125-136. [PMID: 36446971 DOI: 10.1007/978-1-0716-2859-1_9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Protein ubiquitylation is an essential mechanism regulating almost all cellular functions in eukaryotes. The understanding of the role of distinct ubiquitin chains in different cellular processes is essential to identify biomarkers for disease diagnosis and prognosis but also to open new therapeutic possibilities. The high complexity of ubiquitin chains complicates this analysis, and multiple strategies have been developed over the last decades. Here, we report a protocol for the isolation and identification of K48 and K63 ubiquitin chains using chain-specific nanobodies associated to mass spectrometry. Different steps were optimized to increase the purification yield and reduce the binding on nonspecific proteins. The resulting protocol allows the enrichment of ubiquitin chain-specific targets from mammalian cells.
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Affiliation(s)
- Maria Gonzalez-Santamarta
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, Toulouse, France
| | - Laurie Ceccato
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, Toulouse, France
| | - Ana Sofia Carvalho
- Computational and Experimental Biology Group, CEDOC, Chronic Diseases Research Centre, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
| | | | - Rune Matthiesen
- Computational and Experimental Biology Group, CEDOC, Chronic Diseases Research Centre, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Manuel S Rodriguez
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, Toulouse, France.
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32
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Wu Z, Berlemann LA, Bader V, Sehr DA, Dawin E, Covallero A, Meschede J, Angersbach L, Showkat C, Michaelis JB, Münch C, Rieger B, Namgaladze D, Herrera MG, Fiesel FC, Springer W, Mendes M, Stepien J, Barkovits K, Marcus K, Sickmann A, Dittmar G, Busch KB, Riedel D, Brini M, Tatzelt J, Cali T, Winklhofer KF. LUBAC assembles a ubiquitin signaling platform at mitochondria for signal amplification and transport of NF-κB to the nucleus. EMBO J 2022; 41:e112006. [PMID: 36398858 PMCID: PMC9753471 DOI: 10.15252/embj.2022112006] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 10/20/2022] [Accepted: 10/25/2022] [Indexed: 11/19/2022] Open
Abstract
Mitochondria are increasingly recognized as cellular hubs to orchestrate signaling pathways that regulate metabolism, redox homeostasis, and cell fate decisions. Recent research revealed a role of mitochondria also in innate immune signaling; however, the mechanisms of how mitochondria affect signal transduction are poorly understood. Here, we show that the NF-κB pathway activated by TNF employs mitochondria as a platform for signal amplification and shuttling of activated NF-κB to the nucleus. TNF treatment induces the recruitment of HOIP, the catalytic component of the linear ubiquitin chain assembly complex (LUBAC), and its substrate NEMO to the outer mitochondrial membrane, where M1- and K63-linked ubiquitin chains are generated. NF-κB is locally activated and transported to the nucleus by mitochondria, leading to an increase in mitochondria-nucleus contact sites in a HOIP-dependent manner. Notably, TNF-induced stabilization of the mitochondrial kinase PINK1 furthermore contributes to signal amplification by antagonizing the M1-ubiquitin-specific deubiquitinase OTULIN. Overall, our study reveals a role for mitochondria in amplifying TNF-mediated NF-κB activation, both serving as a signaling platform, as well as a transport mode for activated NF-κB to the nuclear.
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Affiliation(s)
- Zhixiao Wu
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Lena A Berlemann
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Verian Bader
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Dominik A Sehr
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Eva Dawin
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
- Leibniz‐Institut für Analytische Wissenschaften—ISAS—e.VDortmundGermany
| | | | - Jens Meschede
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Lena Angersbach
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Cathrin Showkat
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Jonas B Michaelis
- Faculty of Medicine, Institute of Biochemistry IIGoethe University FrankfurtFrankfurt am MainGermany
| | - Christian Münch
- Faculty of Medicine, Institute of Biochemistry IIGoethe University FrankfurtFrankfurt am MainGermany
| | - Bettina Rieger
- Institute for Integrative Cell Biology and Physiology, Faculty of BiologyUniversity of MünsterMünsterGermany
| | - Dmitry Namgaladze
- Institute of Biochemistry I, Faculty of MedicineGoethe‐University FrankfurtFrankfurtGermany
| | - Maria Georgina Herrera
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
| | - Fabienne C Fiesel
- Department of NeuroscienceMayo ClinicJacksonvilleFLUSA
- Neuroscience PhD ProgramMayo Clinic Graduate School of Biomedical SciencesJacksonvilleFLUSA
| | - Wolfdieter Springer
- Department of NeuroscienceMayo ClinicJacksonvilleFLUSA
- Neuroscience PhD ProgramMayo Clinic Graduate School of Biomedical SciencesJacksonvilleFLUSA
| | - Marta Mendes
- Proteomics of Cellular Signaling, Department of Infection and ImmunityLuxembourg Institute of HealthStrassenLuxembourg
| | - Jennifer Stepien
- Medizinisches Proteom‐CenterRuhr‐Universität BochumBochumGermany
- Medical Proteome Analysis, Center for Protein Diagnostics (PRODI)Ruhr‐University BochumBochumGermany
| | - Katalin Barkovits
- Medizinisches Proteom‐CenterRuhr‐Universität BochumBochumGermany
- Medical Proteome Analysis, Center for Protein Diagnostics (PRODI)Ruhr‐University BochumBochumGermany
| | - Katrin Marcus
- Medizinisches Proteom‐CenterRuhr‐Universität BochumBochumGermany
- Medical Proteome Analysis, Center for Protein Diagnostics (PRODI)Ruhr‐University BochumBochumGermany
| | - Albert Sickmann
- Leibniz‐Institut für Analytische Wissenschaften—ISAS—e.VDortmundGermany
| | - Gunnar Dittmar
- Proteomics of Cellular Signaling, Department of Infection and ImmunityLuxembourg Institute of HealthStrassenLuxembourg
- Department of Life Sciences and MedicineUniversity of LuxembourgBelvauxLuxembourg
| | - Karin B Busch
- Institute for Integrative Cell Biology and Physiology, Faculty of BiologyUniversity of MünsterMünsterGermany
| | - Dietmar Riedel
- Laboratory for Electron MicroscopyMax Planck Institute for Multidisciplinary SciencesGöttingenGermany
| | - Marisa Brini
- Department of BiologyUniversity of PaduaPaduaItaly
- Centro Studi per la Neurodegenerazione (CESNE)University of PadovaPaduaItaly
| | - Jörg Tatzelt
- Department Biochemistry of Neurodegenerative Diseases, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
- RESOLV Cluster of ExcellenceRuhr University BochumBochumGermany
| | - Tito Cali
- Department of Biomedical SciencesUniversity of PaduaPaduaItaly
- Centro Studi per la Neurodegenerazione (CESNE)University of PadovaPaduaItaly
- Padua Neuroscience Center (PNC)University of PaduaPaduaItaly
| | - Konstanze F Winklhofer
- Department Molecular Cell Biology, Institute of Biochemistry and PathobiochemistryRuhr University BochumBochumGermany
- RESOLV Cluster of ExcellenceRuhr University BochumBochumGermany
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Walsh SC, Reitano JR, Dickinson MS, Kutsch M, Hernandez D, Barnes AB, Schott BH, Wang L, Ko DC, Kim SY, Valdivia RH, Bastidas RJ, Coers J. The bacterial effector GarD shields Chlamydia trachomatis inclusions from RNF213-mediated ubiquitylation and destruction. Cell Host Microbe 2022; 30:1671-1684.e9. [PMID: 36084633 PMCID: PMC9772000 DOI: 10.1016/j.chom.2022.08.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 05/13/2022] [Accepted: 08/12/2022] [Indexed: 01/26/2023]
Abstract
Chlamydia trachomatis is the leading cause of sexually transmitted bacterial infections and a major threat to women's reproductive health in particular. This obligate intracellular pathogen resides and replicates within a cellular compartment termed an inclusion, where it is sheltered by unknown mechanisms from gamma-interferon (IFNγ)-induced cell-autonomous host immunity. Through a genetic screen, we uncovered the Chlamydia inclusion membrane protein gamma resistance determinant (GarD) as a bacterial factor protecting inclusions from cell-autonomous immunity. In IFNγ-primed human cells, inclusions formed by garD loss-of-function mutants become decorated with linear ubiquitin and are eliminated. Leveraging cellular genome-wide association data, we identified the ubiquitin E3 ligase RNF213 as a candidate anti-Chlamydia protein. We demonstrate that IFNγ-inducible RNF213 facilitates the ubiquitylation and destruction of GarD-deficient inclusions. Furthermore, we show that GarD operates as a cis-acting stealth factor barring RNF213 from targeting inclusions, thus functionally defining GarD as an RNF213 antagonist essential for chlamydial growth during IFNγ-stimulated immunity.
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Affiliation(s)
- Stephen C. Walsh
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Jeffrey R. Reitano
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America.,Department of Immunology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Mary S. Dickinson
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Miriam Kutsch
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Dulcemaria Hernandez
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Alyson B. Barnes
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Benjamin H. Schott
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Liuyang Wang
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Dennis C. Ko
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - So Young Kim
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Raphael H. Valdivia
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Robert J. Bastidas
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America
| | - Jörn Coers
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America.,Department of Immunology, Duke University Medical Center, Durham, North Carolina, United States of America.,corresponding author and lead contact:
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Gonzalez-Santamarta M, Bouvier C, Rodriguez MS, Xolalpa W. Ubiquitin-chains dynamics and its role regulating crucial cellular processes. Semin Cell Dev Biol 2022; 132:155-170. [PMID: 34895814 DOI: 10.1016/j.semcdb.2021.11.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 12/15/2022]
Abstract
The proteome adapts to multiple situations occurring along the life of the cell. To face these continuous changes, the cell uses posttranslational modifications (PTMs) to control the localization, association with multiple partners, stability, and activity of protein targets. One of the most dynamic protein involved in PTMs is Ubiquitin (Ub). Together with other members of the same family, known as Ubiquitin-like (UbL) proteins, Ub rebuilds the architecture of a protein in a few minutes to change its properties in a very efficient way. This capacity of Ub and UbL is in part due to their potential to form complex architectures when attached to target proteins or when forming Ub chains. The highly dynamic formation and remodeling of Ub chains is regulated by the action of conjugating and deconjugating enzymes that determine, in due time, the correct chain architecture for a particular cellular function. Chain remodeling occurs in response to physiologic stimuli but also in pathologic situations. Here, we illustrate well-documented cases of chain remodeling during DNA repair, activation of the NF-κB pathway and autophagy, as examples of this dynamic regulation. The crucial role of enzymes and cofactors regulating chain remodeling is discussed.
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Affiliation(s)
- Maria Gonzalez-Santamarta
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, 31400 Toulouse, France.
| | - Corentin Bouvier
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, 31400 Toulouse, France.
| | - Manuel S Rodriguez
- Laboratoire de Chimie de Coordination (LCC) - UPR 8241 CNRS, and UMR 152 Pharma-Dev, Université de Toulouse, IRD, UPS, 31400 Toulouse, France.
| | - Wendy Xolalpa
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, 62250 Cuernavaca, Morelos, Mexico.
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35
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Hengst JA, Nduwumwami AJ, Yun JK. Regulatory Role of Sphingosine-1-Phosphate and C16:0 Ceramide, in Immunogenic Cell Death of Colon Cancer Cells Induced by Bak/Bax-Activation. Cancers (Basel) 2022; 14:5182. [PMID: 36358599 PMCID: PMC9657779 DOI: 10.3390/cancers14215182] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 12/25/2023] Open
Abstract
We recently identified the sphingosine kinases (SphK1/2) as key intracellular regulators of immunogenic cell death (ICD) in colorectal cancer (CRC) cells. To better understand the mechanism by which SphK inhibition enhances ICD, we focused on the intracellular signaling pathways leading to cell surface exposure of calreticulin (ectoCRT). Herein, we demonstrate that ABT-263 and AZD-5991, inhibitors of Bcl-2/Bcl-XL and Mcl-1, respectively, induce the production of ectoCRT, indicative of ICD. Inhibition of SphK1 significantly enhanced ABT/AZD-induced ectoCRT production, in a caspase 8-dependent manner. Mechanistically, we demonstrate that ABT/AZD-induced Bak/Bax activation stimulates pro-survival SphK1/sphingosine-1-phosphate (S1P) signaling, which attenuates ectoCRT production. Additionally, we identified a regulatory role for ceramide synthase 6 (CerS6)/C16:0 ceramide in transporting of ectoCRT to the cell surface. Together, these results indicate that the sphingolipid metabolic regulators of the sphingolipid rheostat, S1P and C16:0 ceramide, influence survival/death decisions of CRC cells in response to ICD-inducing chemotherapeutic agents. Importantly, SphK1, which produces S1P, is a stress-responsive pro-survival lipid kinase that suppresses ICD. While ceramide, produced by the inhibition of SphK1 is required for production of the cell surface marker of ICD, ectoCRT. Thus, inhibition of SphK1 represents a means to enhance the therapeutic efficacy of ICD-inducing agents.
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Affiliation(s)
- Jeremy A. Hengst
- Department of Pharmacology, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA
| | - Asvelt J. Nduwumwami
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, 6565 MD Anderson Blvd, Houston, TX 77030, USA
| | - Jong K. Yun
- Department of Pharmacology, Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA
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36
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Guo Y, He J, Zhang H, Chen R, Li L, Liu X, Huang C, Qiang Z, Zhou Z, Wang Y, Huang J, Zhao X, Zheng J, Chen GQ, Yu J. Linear ubiquitination of PTEN impairs its function to promote prostate cancer progression. Oncogene 2022; 41:4877-4892. [PMID: 36192478 DOI: 10.1038/s41388-022-02485-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 09/17/2022] [Accepted: 09/22/2022] [Indexed: 11/09/2022]
Abstract
PTEN is frequently mutated in human cancers, which leads to the excessive activation of PI3K/AKT signaling and thus promotes tumorigenesis and drug resistance. Met1-linked ubiquitination (M1-Ubi) is also involved in cancer progression, but the mechanism is poorly defined. Here we find that HOIP, one important component of linear ubiquitin chain assembly complex (LUBAC), promotes prostate cancer (PCa) progression by enhancing AKT signaling in a PTEN-dependent manner. Mechanistically, PTEN is modified by M1-Ubi at two sites K144 and K197, which significantly inhibits PTEN phosphatase activity and thus accelerates PCa progression. More importantly, we identify that the high-frequency mutants PTENR173H and PTENR173C in PCa patients showed the enhanced level of M1-Ubi, which impairs PTEN function in inhibition of AKT phosphorylation and cell growth. We also find that HOIP depletion sensitizes PCa cells to therapeutic agents BKM120 and Enzalutamide. Furthermore, the clinical data analyses confirm that HOIP is upregulated and positively correlated with AKT activation in PCa patient specimen, which may promote PCa progression and increase the risk of PCa biochemical relapse. Together, our study reveals a key role of PTEN M1-Ubi in regulation of AKT activation and PCa progression, which may propose a new strategy for PCa therapy.
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Affiliation(s)
- Yanmin Guo
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jianfeng He
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hailong Zhang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Ran Chen
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Lian Li
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xiaojia Liu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Caihu Huang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zhe Qiang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zihan Zhou
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yanli Wang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jian Huang
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xian Zhao
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Junke Zheng
- Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Guo-Qiang Chen
- State Key Laboratory of Oncogenes and Related Genes, Ren-Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jianxiu Yu
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory of Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
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Hernandez D, Walsh S, Saavedra Sanchez L, Dickinson MS, Coers J. Interferon-Inducible E3 Ligase RNF213 Facilitates Host-Protective Linear and K63-Linked Ubiquitylation of Toxoplasma gondii Parasitophorous Vacuoles. mBio 2022;:e0188822. [PMID: 36154443 DOI: 10.1128/mbio.01888-22] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The obligate intracellular protozoan pathogen Toxoplasma gondii infects a wide range of vertebrate hosts and frequently causes zoonotic infections in humans. Whereas infected immunocompetent individuals typically remain asymptomatic, toxoplasmosis in immunocompromised individuals can manifest as a severe, potentially lethal disease, and congenital Toxoplasma infections are associated with adverse pregnancy outcomes. The protective immune response of healthy individuals involves the production of lymphocyte-derived cytokines such as interferon gamma (IFN-γ), which elicits cell-autonomous immunity in host cells. IFN-γ-inducible antiparasitic defense programs comprise nutritional immunity, the production of noxious gases, and the ubiquitylation of the Toxoplasma-containing parasitophorous vacuole (PV). PV ubiquitylation prompts the recruitment of host defense proteins to the PV and the consequential execution of antimicrobial effector programs, which reduce parasitic burden. However, the ubiquitin E3 ligase orchestrating these events has remained unknown. Here, we demonstrate that the IFN-γ-inducible E3 ligase RNF213 translocates to Toxoplasma PVs and facilitates PV ubiquitylation in human cells. Toxoplasma PVs become decorated with linear and K63-linked ubiquitin and recruit ubiquitin adaptor proteins in a process that is RNF213 dependent but independent of the linear ubiquitin chain assembly complex (LUBAC). IFN-γ priming fails to restrict Toxoplasma growth in cells lacking RNF213 expression, thus identifying RNF213 as a potent executioner of ubiquitylation-driven antiparasitic host defense.
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Abstract
The post-translational modification of proteins with ubiquitin plays a central role in nearly all aspects of eukaryotic biology. Historically, studies have focused on the conjugation of ubiquitin to lysine residues in substrates, but it is now clear that ubiquitylation can also occur on cysteine, serine, and threonine residues, as well as on the N-terminal amino group of proteins. Paradigm-shifting reports of non-proteinaceous substrates have further extended the reach of ubiquitylation beyond the proteome to include intracellular lipids and sugars. Additionally, results from bacteria have revealed novel ways to ubiquitylate (and deubiquitylate) substrates without the need for any of the enzymatic components of the canonical ubiquitylation cascade. Focusing mainly upon recent findings, this review aims to outline the current understanding of non-lysine ubiquitylation and speculate upon the molecular mechanisms and physiological importance of this non-canonical modification.
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Abstract
General control nonderepressible 5 protein (Gcn5) and its homologs, including p300/CBP-associated factor (PCAF), are lysine acetyltransferases that modify both histone and non-histone proteins using acetyl coenzyme A as a donor substrate. While decades of studies have uncovered a vast network of cellular processes impacted by these acetyltransferases, including gene transcription and metabolism, far less is known about how these enzymes are themselves regulated. In this review, we summarize the type and functions of posttranslational modifications proposed to control Gcn5 in both yeast and human cells. We further outline common themes, open questions, and strategies to guide future work.
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40
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Yin X, Liu Q, Liu F, Tian X, Yan T, Han J, Jiang S. Emerging Roles of Non-proteolytic Ubiquitination in Tumorigenesis. Front Cell Dev Biol 2022; 10:944460. [PMID: 35874839 PMCID: PMC9298949 DOI: 10.3389/fcell.2022.944460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/15/2022] [Indexed: 12/13/2022] Open
Abstract
Ubiquitination is a critical type of protein post-translational modification playing an essential role in many cellular processes. To date, more than eight types of ubiquitination exist, all of which are involved in distinct cellular processes based on their structural differences. Studies have indicated that activation of the ubiquitination pathway is tightly connected with inflammation-related diseases as well as cancer, especially in the non-proteolytic canonical pathway, highlighting the vital roles of ubiquitination in metabolic programming. Studies relating degradable ubiquitination through lys48 or lys11-linked pathways to cellular signaling have been well-characterized. However, emerging evidence shows that non-degradable ubiquitination (linked to lys6, lys27, lys29, lys33, lys63, and Met1) remains to be defined. In this review, we summarize the non-proteolytic ubiquitination involved in tumorigenesis and related signaling pathways, with the aim of providing a reference for future exploration of ubiquitination and the potential targets for cancer therapies.
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Affiliation(s)
- Xiu Yin
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China
| | - Qingbin Liu
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China
| | - Fen Liu
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China
| | - Xinchen Tian
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China.,Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Tinghao Yan
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China.,Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jie Han
- Department of Thyroid and Breast Surgery, Jining First People's Hospital, Jining Medical University, Jining, China
| | - Shulong Jiang
- Clinical Medical Laboratory Center, Jining First People's Hospital, Jining Medical University, Jining, China
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41
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Spaan AN, Neehus AL, Laplantine E, Staels F, Ogishi M, Seeleuthner Y, Rapaport F, Lacey KA, Van Nieuwenhove E, Chrabieh M, Hum D, Migaud M, Izmiryan A, Lorenzo L, Kochetkov T, Heesterbeek DAC, Bardoel BW, DuMont AL, Dobbs K, Chardonnet S, Heissel S, Baslan T, Zhang P, Yang R, Bogunovic D, Wunderink HF, Haas PJA, Molina H, Van Buggenhout G, Lyonnet S, Notarangelo LD, Seppänen MRJ, Weil R, Seminario G, Gomez-Tello H, Wouters C, Mesdaghi M, Shahrooei M, Bossuyt X, Sag E, Topaloglu R, Ozen S, Leavis HL, van Eijk MMJ, Bezrodnik L, Blancas Galicia L, Hovnanian A, Nassif A, Bader-Meunier B, Neven B, Meyts I, Schrijvers R, Puel A, Bustamante J, Aksentijevich I, Kastner DL, Torres VJ, Humblet-Baron S, Liston A, Abel L, Boisson B, Casanova JL. Human OTULIN haploinsufficiency impairs cell-intrinsic immunity to staphylococcal α-toxin. Science 2022; 376:eabm6380. [PMID: 35587511 PMCID: PMC9233084 DOI: 10.1126/science.abm6380] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The molecular basis of interindividual clinical variability upon infection with Staphylococcus aureus is unclear. We describe patients with haploinsufficiency for the linear deubiquitinase OTULIN, encoded by a gene on chromosome 5p. Patients suffer from episodes of life-threatening necrosis, typically triggered by S. aureus infection. The disorder is phenocopied in patients with the 5p- (Cri-du-Chat) chromosomal deletion syndrome. OTULIN haploinsufficiency causes an accumulation of linear ubiquitin in dermal fibroblasts, but tumor necrosis factor receptor-mediated nuclear factor κB signaling remains intact. Blood leukocyte subsets are unaffected. The OTULIN-dependent accumulation of caveolin-1 in dermal fibroblasts, but not leukocytes, facilitates the cytotoxic damage inflicted by the staphylococcal virulence factor α-toxin. Naturally elicited antibodies against α-toxin contribute to incomplete clinical penetrance. Human OTULIN haploinsufficiency underlies life-threatening staphylococcal disease by disrupting cell-intrinsic immunity to α-toxin in nonleukocytic cells.
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Affiliation(s)
- András N Spaan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Anna-Lena Neehus
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Institute of Experimental Hematology, REBIRTH Research Center for Translational and Regenerative Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Emmanuel Laplantine
- Centre d'Immunologie et des Maladies Infectieuses, INSERM U1135, CNRS ERL8255, Sorbonne University, 75724 Paris, France
- Institut de Recherche St. Louis, Hôpital St. Louis, INSERM U944, CNRS U7212, Paris Cité University, 75010 Paris, France
| | - Frederik Staels
- Laboratory for Adaptive Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Masato Ogishi
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Yoann Seeleuthner
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Franck Rapaport
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Keenan A Lacey
- Department of Microbiology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Erika Van Nieuwenhove
- Laboratory for Adaptive Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Pediatric Rheumatology and Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Maya Chrabieh
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - David Hum
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Araksya Izmiryan
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Laboratory of Genetic Skin Diseases, INSERM U1163, 75015 Paris, France
| | - Lazaro Lorenzo
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Tatiana Kochetkov
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Dani A C Heesterbeek
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Bart W Bardoel
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Ashley L DuMont
- Department of Microbiology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Kerry Dobbs
- Laboratory of Clinical Immunology and Microbiology, Division of Intramural Research, NIAID, NIH, Bethesda, MD 20852, USA
| | - Solenne Chardonnet
- Plateforme Post-génomique de la Pitié-Salpêtrière, P3S, UMS Production et Analyse de données en Sciences de la vie et en Santé, PASS, INSERM, Sorbonne University, 75013 Paris, France
| | - Søren Heissel
- Proteomics Resource Center, The Rockefeller University, New York, NY 10065, USA
| | - Timour Baslan
- Cancer Biology and Genetics Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Peng Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Rui Yang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Dusan Bogunovic
- Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Herman F Wunderink
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Pieter-Jan A Haas
- Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Henrik Molina
- Proteomics Resource Center, The Rockefeller University, New York, NY 10065, USA
| | - Griet Van Buggenhout
- Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium
- Center for Human Genetics, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Stanislas Lyonnet
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Laboratory Embryology and Genetics of Malformations, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
| | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology, Division of Intramural Research, NIAID, NIH, Bethesda, MD 20852, USA
| | - Mikko R J Seppänen
- Rare Disease and Pediatric Research Centers, Children and Adolescents, University of Helsinki and HUS Helsinki University Hospital, 00260 Helsinki, Finland
| | - Robert Weil
- Centre d'Immunologie et des Maladies Infectieuses, INSERM U1135, CNRS ERL8255, Sorbonne University, 75724 Paris, France
| | - Gisela Seminario
- Center for Clinical Immunology, Immunology Group Children's Hospital Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina
| | - Héctor Gomez-Tello
- Immunology Department, Poblano Children's Hospital, 72190 Puebla, Mexico
| | - Carine Wouters
- Laboratory for Adaptive Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Pediatrics, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Mehrnaz Mesdaghi
- Department of Allergy and Clinical Immunology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, 15468-155514 Tehran, Iran
| | - Mohammad Shahrooei
- Clinical and Diagnostic Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Specialized Immunology Laboratory of Dr. Shahrooei, Sina Medical Complex, 15468-155514 Ahvaz, Iran
| | - Xavier Bossuyt
- Clinical and Diagnostic Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Erdal Sag
- Department of Pediatric Rheumatology, Hacettepe University, 06230 Ankara, Turkey
| | - Rezan Topaloglu
- Department of Pediatric Nephrology, Hacettepe University School of Medicine, Hacettepe University, 06230 Ankara, Turkey
| | - Seza Ozen
- Department of Pediatric Rheumatology, Hacettepe University, 06230 Ankara, Turkey
| | - Helen L Leavis
- Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Maarten M J van Eijk
- Department of Intensive Care Medicine, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, Netherlands
| | - Liliana Bezrodnik
- Center for Clinical Immunology, Immunology Group Children's Hospital Ricardo Gutiérrez, C1425EFD Buenos Aires, Argentina
| | | | - Alain Hovnanian
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Laboratory of Genetic Skin Diseases, INSERM U1163, 75015 Paris, France
- Department of Genetics, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
| | - Aude Nassif
- Centre Médical, Institut Pasteur, 75724 Paris, France
| | - Brigitte Bader-Meunier
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Pediatric Immunology, Hematology and Rheumatology Unit, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
- Laboratory of Immunogenetics of Pediatric Autoimmunity, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
| | - Bénédicte Neven
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Pediatric Immunology, Hematology and Rheumatology Unit, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
- Laboratory of Immunogenetics of Pediatric Autoimmunity, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
| | - Isabelle Meyts
- Laboratory of Inborn Errors of Immunity, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Pediatrics, Jeffrey Modell Diagnostic and Research Network Center, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Rik Schrijvers
- Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Anne Puel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Jacinta Bustamante
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, Bethesda, MD 20892, USA
| | - Daniel L Kastner
- Inflammatory Disease Section, National Human Genome Research Institute, Bethesda, MD 20892, USA
| | - Victor J Torres
- Department of Microbiology, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Stéphanie Humblet-Baron
- Laboratory for Adaptive Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Adrian Liston
- Laboratory for Adaptive Immunology, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- VIB Center for Brain and Disease Research, Leuven 3000, Belgium
- Immunology Programme, Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, UK
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Bertrand Boisson
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
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Mackinnon E, Stone SL. The Ubiquitin Proteasome System and Nutrient Stress Response. Front Plant Sci 2022; 13:867419. [PMID: 35665152 PMCID: PMC9161090 DOI: 10.3389/fpls.2022.867419] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Plants utilize different molecular mechanisms, including the Ubiquitin Proteasome System (UPS) that facilitates changes to the proteome, to mitigate the impact of abiotic stresses on growth and development. The UPS encompasses the ubiquitination of selected substrates followed by the proteasomal degradation of the modified proteins. Ubiquitin ligases, or E3s, are central to the UPS as they govern specificity and facilitate the attachment of one or more ubiquitin molecules to the substrate protein. From recent studies, the UPS has emerged as an important regulator of the uptake and translocation of essential macronutrients and micronutrients. In this review, we discuss select E3s that are involved in regulating nutrient uptake and responses to stress conditions, including limited or excess levels of nitrogen, phosphorus, iron, and copper.
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Kelsall IR, McCrory EH, Xu Y, Scudamore CL, Nanda SK, Mancebo-Gamella P, Wood NT, Knebel A, Matthews SJ, Cohen P. HOIL-1 ubiquitin ligase activity targets unbranched glucosaccharides and is required to prevent polyglucosan accumulation. EMBO J 2022; 41:e109700. [PMID: 35274759 PMCID: PMC9016349 DOI: 10.15252/embj.2021109700] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 01/05/2022] [Accepted: 02/16/2022] [Indexed: 01/12/2023] Open
Abstract
HOIL-1, a component of the linear ubiquitin chain assembly complex (LUBAC), ubiquitylates serine and threonine residues in proteins by esterification. Here, we report that mice expressing an E3 ligase-inactive HOIL-1[C458S] mutant accumulate polyglucosan in brain, heart and other organs, indicating that HOIL-1's E3 ligase activity is essential to prevent these toxic polysaccharide deposits from accumulating. We found that HOIL-1 monoubiquitylates glycogen and α1:4-linked maltoheptaose in vitro and identify the C6 hydroxyl moiety of glucose as the site of ester-linked ubiquitylation. The monoubiquitylation of maltoheptaose was accelerated > 100-fold by the interaction of Met1-linked or Lys63-linked ubiquitin oligomers with the RBR domain of HOIL-1. HOIL-1 also transferred pre-formed ubiquitin oligomers to maltoheptaose en bloc, producing polyubiquitylated maltoheptaose in one catalytic step. The Sharpin and HOIP components of LUBAC, but not HOIL-1, bound to unbranched and infrequently branched glucose polymers in vitro, but not to highly branched mammalian glycogen, suggesting a potential function in targeting HOIL-1 to unbranched glucosaccharides in cells. We suggest that monoubiquitylation of unbranched glucosaccharides may initiate their removal from cells, preventing precipitation as polyglucosan.
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Affiliation(s)
- Ian R Kelsall
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Elisha H McCrory
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Yingqi Xu
- Cross-Faculty NMR Centre, Department of Life Sciences, Imperial College London, London, UK
| | | | - Sambit K Nanda
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Paula Mancebo-Gamella
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Nicola T Wood
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Axel Knebel
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
| | - Stephen J Matthews
- Cross-Faculty NMR Centre, Department of Life Sciences, Imperial College London, London, UK
| | - Philip Cohen
- MRC Protein Phosphorylation and Ubiquitylation Unit, School of Life Sciences, University of Dundee, Dundee, UK
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Li X, Yang G, Zhang W, Qin B, Ye Z, Shi H, Zhao X, Chen Y, Song B, Mei Z, Zhao Q, Wang F. USP13: Multiple Functions and Target Inhibition. Front Cell Dev Biol 2022; 10:875124. [PMID: 35445009 PMCID: PMC9014248 DOI: 10.3389/fcell.2022.875124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 03/08/2022] [Indexed: 12/13/2022] Open
Abstract
As a deubiquitination (DUB) enzyme, ubiquitin-specific protease 13 (USP13) is involved in a myriad of cellular processes, such as mitochondrial energy metabolism, autophagy, DNA damage response, and endoplasmic reticulum-associated degradation (ERAD), by regulating the deubiquitination of diverse key substrate proteins. Thus, dysregulation of USP13 can give rise to the occurrence and development of plenty of diseases, in particular malignant tumors. Given its implications in the stabilization of disease-related proteins and oncology targets, considerable efforts have been committed to the discovery of inhibitors targeting USP13. Here, we summarize an overview of the recent advances of the structure, function of USP13, and its relations to diseases, as well as discovery and development of inhibitors, aiming to provide the theoretical basis for investigation of the molecular mechanism of USP13 action and further development of more potent druggable inhibitors.
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Affiliation(s)
- Xiaolong Li
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Ge Yang
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Wenyao Zhang
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Biying Qin
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Zifan Ye
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Huijing Shi
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Xinmeng Zhao
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Yihang Chen
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Bowei Song
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Ziqing Mei
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | | | - Feng Wang
- Key Laboratory of Molecular Medicine and Biotherapy, Department of Biology, School of Life Science, Beijing Institute of Technology, Beijing, China
- *Correspondence: Feng Wang,
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Buneeva O, Medvedev A. Atypical Ubiquitination and Parkinson's Disease. Int J Mol Sci 2022; 23:3705. [PMID: 35409068 DOI: 10.3390/ijms23073705] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 02/04/2023] Open
Abstract
Ubiquitination (the covalent attachment of ubiquitin molecules to target proteins) is one of the main post-translational modifications of proteins. Historically, the type of polyubiquitination, which involves K48 lysine residues of the monomeric ubiquitin, was the first studied type of ubiquitination. It usually targets proteins for their subsequent proteasomal degradation. All the other types of ubiquitination, including monoubiquitination; multi-monoubiquitination; and polyubiquitination involving lysine residues K6, K11, K27, K29, K33, and K63 and N-terminal methionine, were defined as atypical ubiquitination (AU). Good evidence now exists that AUs, participating in the regulation of various cellular processes, are crucial for the development of Parkinson's disease (PD). These AUs target various proteins involved in PD pathogenesis. The K6-, K27-, K29-, and K33-linked polyubiquitination of alpha-synuclein, the main component of Lewy bodies, and DJ-1 (another PD-associated protein) is involved in the formation of insoluble aggregates. Multifunctional protein kinase LRRK2 essential for PD is subjected to K63- and K27-linked ubiquitination. Mitophagy mediated by the ubiquitin ligase parkin is accompanied by K63-linked autoubiquitination of parkin itself and monoubiquitination and polyubiquitination of mitochondrial proteins with the formation of both classical K48-linked ubiquitin chains and atypical K6-, K11-, K27-, and K63-linked polyubiquitin chains. The ubiquitin-specific proteases USP30, USP33, USP8, and USP15, removing predominantly K6-, K11-, and K63-linked ubiquitin conjugates, antagonize parkin-mediated mitophagy.
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Salas-Lloret D, González-Prieto R. Insights in Post-Translational Modifications: Ubiquitin and SUMO. Int J Mol Sci 2022; 23:3281. [PMID: 35328702 DOI: 10.3390/ijms23063281] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 12/23/2022] Open
Abstract
Both ubiquitination and SUMOylation are dynamic post-translational modifications that regulate thousands of target proteins to control virtually every cellular process. Unfortunately, the detailed mechanisms of how all these cellular processes are regulated by both modifications remain unclear. Target proteins can be modified by one or several moieties, giving rise to polymers of different morphology. The conjugation cascades of both modifications comprise a few activating and conjugating enzymes but close to thousands of ligating enzymes (E3s) in the case of ubiquitination. As a result, these E3s give substrate specificity and can form polymers on a target protein. Polymers can be quickly modified forming branches or cleaving chains leading the target protein to its cellular fate. The recent development of mass spectrometry(MS) -based approaches has increased the understanding of ubiquitination and SUMOylation by finding essential modified targets in particular signaling pathways. Here, we perform a concise overview comprising from the basic mechanisms of both ubiquitination and SUMOylation to recent MS-based approaches aimed to find specific targets for particular E3 enzymes.
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Gezgin Y, Kırnaz B, Berdeli A. Screening of OTULIN gene mutation with targeted next generation sequencing in Turkish populations and in silico analysis of these mutations. Mol Biol Rep 2022. [PMID: 35294702 DOI: 10.1007/s11033-022-07312-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/01/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND OTULIN-related autoinflammatory syndrome (ORAS) is an autosomal recessive disease characterized by systemic inflammation, recurrent fever. Due to limited knowledge about the OTULIN DNA variants that cause ORAS, the diagnosis and treatment of this disease is difficult. In this study, we aim to identify OTULIN DNA variants responsible for the genetic pathology of ORAS and observe the effects of these variants on the OTULIN protein structure and the function with different bioinformatics approaches. METHODS The present study included 3230 individuals with the suspicion of an autoinflammatory disease who were referred to Ege University Children's Hospital Molecular Medicine Laboratory. OTULIN variants were detected using a panel consisting of 37 different autoinflammatory diseases (AID) genes via targeted Next-Generation Sequencing. RESULTS As a result of the study, DNA variants associated with various AID were detected in 65% of the individuals to whom the panel was applied. Among these variants, only three different OTULIN variants (p.Val82Ile, p.Gln115His and p.Leu131_Arg132insLeuCysThrGlu) were detected. The pathogenic effects of the variants detected in the OTULIN gene were determined by using Polyphen2 as "Probably Pathogenic" for the p.Val82Ile and "benign" for the p.Gln115His. At the same time, the effects of these variants on the structure and function of the OTULIN protein were investigated by in silico approaches. Both variants reduce protein stability and binding affinity. CONCLUSION The results of the current study suggest that the evaluation of OTULIN variants with in silico approaches will contribute to the development of personalized treatments by diagnosing the disease specific to the variant.
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Liao Y, Sumara I, Pangou E. Non-proteolytic ubiquitylation in cellular signaling and human disease. Commun Biol 2022; 5:114. [PMID: 35136173 DOI: 10.1038/s42003-022-03060-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 01/18/2022] [Indexed: 12/18/2022] Open
Abstract
Ubiquitylation is one of the most common post-translational modifications (PTMs) of proteins that frequently targets substrates for proteasomal degradation. However it can also result in non-proteolytic events which play important functions in cellular processes such as intracellular signaling, membrane trafficking, DNA repair and cell cycle. Emerging evidence demonstrates that dysfunction of non-proteolytic ubiquitylation is associated with the development of multiple human diseases. In this review, we summarize the current knowledge and the latest concepts on how non-proteolytic ubiquitylation pathways are involved in cellular signaling and in disease-mediating processes. Our review, may advance our understanding of the non-degradative ubiquitylation process. Evanthia Pangou and co-authors review recent insights into the important roles of non-proteolytic ubiquitylation in cellular signaling as well as in physiology and disease.
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Hafez N, Modather El-Awadly Z, Arafa RK. UCH-L3 structure and function: Insights about a promising drug target. Eur J Med Chem 2022; 227:113970. [PMID: 34752952 DOI: 10.1016/j.ejmech.2021.113970] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 11/04/2022]
Abstract
In the past few years, researchers have shed light on the immense importance of ubiquitin in numerous regulatory pathways. The post-translational addition of mono or poly-ubiquitin molecules namely "ubiquitinoylation" is therefore pivotal to maintain the cell's vitality, maturation, differentiation, and division. Part of conserving homeostasis stems from maintaining the ubiquitin pool in the vicinity of the cell's intracellular environment; this crucial role is played by deubiquitylating enzymes (DUBs) that cleave ubiquitin molecules from target molecules. To date, they are categorized into 7 families with ubiquitin carboxyl c-terminal de-hydrolase family (UCH) as the most common and well-studied. Ubiquitin C-terminal hydrolase L (UCH-L3) is a significant protein in this family as it has been implicated in many molecular and cellular processes with its mRNA identified in a range of body tissues including the brain. It goes without saying that it manifests in maintaining health and when abnormally regulated in disease. As it is an attractive small molecule drug target, scientists have used high throughput screening (HTS) and other drug discovery methods to discover inhibitors for this enzyme for the treatment of cancer and neurodegenerative diseases. In this review we present an overview of UCH-L3 catalytic mechanism, structure, its role in DNA repair and cancer along with the inhibitors discovered so far to halt its activity.
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Affiliation(s)
- Noha Hafez
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Cairo, 12578, Egypt
| | - Zahraa Modather El-Awadly
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Cairo, 12578, Egypt
| | - Reem K Arafa
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Cairo, 12578, Egypt; Drug Design and Discovery Laboratory, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Cairo, 12578, Egypt.
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50
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Aroankins TS, Murali SK, Fenton RA, Wu Q. The Hydrogen-Coupled Oligopeptide Membrane Cotransporter Pept2 is SUMOylated in Kidney Distal Convoluted Tubule Cells. Front Mol Biosci 2021; 8:790606. [PMID: 34881291 PMCID: PMC8646034 DOI: 10.3389/fmolb.2021.790606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/08/2021] [Indexed: 11/13/2022] Open
Abstract
Protein post-translational modification by the Small Ubiquitin-like MOdifier (SUMO) on lysine residues is a reversible process highly important for transcription and protein stability. In the kidney, SUMOylation appears to be important for the cellular response to aldosterone. Therefore, in this study, we generated a SUMOylation profile of the aldosterone-sensitive kidney distal convoluted tubule (DCT) as a basis for understanding SUMOylation events in this cell type. Using mass spectrometry-based proteomics, 1037 SUMO1 and 552 SUMO2 sites, corresponding to 546 SUMO1 and 356 SUMO2 proteins, were identified from a modified mouse kidney DCT cell line (mpkDCT). SUMOylation of the renal hydrogen-coupled oligopeptide and drug co-transporter (Pept2) at one site (K139) was found to be highly regulated by aldosterone. Using immunolabelling of mouse kidney sections Pept2 was localized to DCT cells in vivo. Aldosterone stimulation of mpkDCT cell lines expressing wild-type Pept2 or mutant K139R-Pept2, post-transcriptionally increased Pept2 expression up to four-fold. Aldosterone decreased wild-type Pept2 abundance in the apical membrane domain of mpkDCT cells, but this response was absent in K139R-Pept2 expressing cells. In summary, we have generated a SUMOylation landscape of the mouse DCT and determined that SUMOylation plays an important role in the physiological regulation of Pept2 trafficking by aldosterone.
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Affiliation(s)
- Takwa S Aroankins
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Department of Anesthesiology and Intensive Care, Sahlgrenska University Hospital, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | | | - Robert A Fenton
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Qi Wu
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
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