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Li Z, Wang S, Han J, Yang G, Xi L, Zhang C, Cui Y, Yin S, Zhang Y, Zhang H. Insights into the effect of guanylate-binding protein 1 on the survival of Brucella intracellularly. Vet Microbiol 2024; 293:110089. [PMID: 38678845 DOI: 10.1016/j.vetmic.2024.110089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 05/01/2024]
Abstract
Brucellosis is a zoonotic disease that affects wild and domestic animals. It is caused by members of the bacterial genus Brucella. Guanylate-binding protein 1 (GBP1) is associated with microbial infections. However, the role of GBP1 during Brucella infection remains unclear. This investigation aimed to identify the association of GBP1 with brucellosis. Results showed that Brucella infection induced GBP1 upregulation in RAW 264.7 murine macrophages. Small interfering GBP1 targeting RNAs were utilized to explore how GBP1 regulates the survival of Brucella intracellularly. Results revealed that GBP1 knockdown promoted Brucella's survival ability, activated Nod-like receptor (NLR) containing a pyrin domain 3 (NLRP3) and absent in melanoma 2 (AIM2) inflammatory corpuscles, and induced pro-inflammatory cytokines IFN-γ and IL-1β. Furthermore, Brucella stimulated the expression of GBP1 in bone marrow-derived macrophages (BMDMs) and mice. During the inhibition of GBP1 in BMDMs, the intracellular growth of Brucella increased. In comparison, GBP1 downregulation enhanced the accumulation of Brucella-induced reactive oxygen species (ROS) in macrophages. Overall, the data indicate a significant role of GBP1 in regulating brucellosis and suggest the function underlying its suppressive effect on the survival and growth of Brucella intracellularly.
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Affiliation(s)
- Zhiqiang Li
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China; School of Medical Technology, Shangqiu Medical College, Shangqiu, Henan Provence 476005, China
| | - Shuli Wang
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Jincheng Han
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Guangli Yang
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Li Xi
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Chunmei Zhang
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Yanyan Cui
- College of Biology and Food, Shangqiu Normal University, Shangqiu, Henan Provence 476000, China
| | - Shuanghong Yin
- College of Biology, Agriculture and Forestry, Tongren University, Tongren, Guizhou Province 554300, China
| | - Yu Zhang
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang Province 832003, China
| | - Hui Zhang
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang Province 832003, China.
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2
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Zhang Y, Weng J, Huan L, Sheng S, Xu F. Mitophagy in atherosclerosis: from mechanism to therapy. Front Immunol 2023; 14:1165507. [PMID: 37261351 PMCID: PMC10228545 DOI: 10.3389/fimmu.2023.1165507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 04/12/2023] [Indexed: 06/02/2023] Open
Abstract
Mitophagy is a type of autophagy that can selectively eliminate damaged and depolarized mitochondria to maintain mitochondrial activity and cellular homeostasis. Several pathways have been found to participate in different steps of mitophagy. Mitophagy plays a significant role in the homeostasis and physiological function of vascular endothelial cells, vascular smooth muscle cells, and macrophages, and is involved in the development of atherosclerosis (AS). At present, many medications and natural chemicals have been shown to alter mitophagy and slow the progression of AS. This review serves as an introduction to the field of mitophagy for researchers interested in targeting this pathway as part of a potential AS management strategy.
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Affiliation(s)
- Yanhong Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jiajun Weng
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Traditional Chinese Medicine Clinical Medical School (Xiyuan), Peking University, Beijing, China
- Department of Integrated Traditional and Western Medicine, Peking University Health Science Center, Beijing, China
| | - Luyao Huan
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School of Beijing University of Chinese Medicine, Beijing, China
| | - Song Sheng
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fengqin Xu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Traditional Chinese Medicine Clinical Medical School (Xiyuan), Peking University, Beijing, China
- Department of Integrated Traditional and Western Medicine, Peking University Health Science Center, Beijing, China
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3
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Enosi Tuipulotu D, Feng S, Pandey A, Zhao A, Ngo C, Mathur A, Lee J, Shen C, Fox D, Xue Y, Kay C, Kirkby M, Lo Pilato J, Kaakoush NO, Webb D, Rug M, Robertson AAB, Tessema MB, Pang S, Degrandi D, Pfeffer K, Augustyniak D, Blumenthal A, Miosge LA, Brüstle A, Yamamoto M, Reading PC, Burgio G, Man SM. Immunity against Moraxella catarrhalis requires guanylate-binding proteins and caspase-11-NLRP3 inflammasomes. EMBO J 2023; 42:e112558. [PMID: 36762431 PMCID: PMC10015372 DOI: 10.15252/embj.2022112558] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 02/11/2023] Open
Abstract
Moraxella catarrhalis is an important human respiratory pathogen and a major causative agent of otitis media and chronic obstructive pulmonary disease. Toll-like receptors contribute to, but cannot fully account for, the complexity of the immune response seen in M. catarrhalis infection. Using primary mouse bone marrow-derived macrophages to examine the host response to M. catarrhalis infection, our global transcriptomic and targeted cytokine analyses revealed activation of immune signalling pathways by both membrane-bound and cytosolic pattern-recognition receptors. We show that M. catarrhalis and its outer membrane vesicles or lipooligosaccharide (LOS) can activate the cytosolic innate immune sensor caspase-4/11, gasdermin-D-dependent pyroptosis, and the NLRP3 inflammasome in human and mouse macrophages. This pathway is initiated by type I interferon signalling and guanylate-binding proteins (GBPs). We also show that inflammasomes and GBPs, particularly GBP2, are required for the host defence against M. catarrhalis in mice. Overall, our results reveal an essential role for the interferon-inflammasome axis in cytosolic recognition and immunity against M. catarrhalis, providing new molecular targets that may be used to mitigate pathological inflammation triggered by this pathogen.
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Affiliation(s)
- Daniel Enosi Tuipulotu
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Shouya Feng
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Abhimanu Pandey
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Anyang Zhao
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Chinh Ngo
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Anukriti Mathur
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Jiwon Lee
- Centre for Advanced MicroscopyThe Australian National UniversityCanberraACTAustralia
| | - Cheng Shen
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Daniel Fox
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Yansong Xue
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Callum Kay
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Max Kirkby
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Jordan Lo Pilato
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | | | - Daryl Webb
- Centre for Advanced MicroscopyThe Australian National UniversityCanberraACTAustralia
| | - Melanie Rug
- Centre for Advanced MicroscopyThe Australian National UniversityCanberraACTAustralia
| | - Avril AB Robertson
- School of Chemistry and Molecular BiosciencesThe University of QueenslandBrisbaneQLDAustralia
| | - Melkamu B Tessema
- Department of Microbiology and ImmunologyThe University of Melbourne, The Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia
| | - Stanley Pang
- Antimicrobial Resistance and Infectious Diseases (AMRID) Research LaboratoryMurdoch UniversityMurdochWAAustralia
- Department of Microbiology, PathWest Laboratory Medicine‐WAFiona Stanley HospitalMurdochWAAustralia
| | - Daniel Degrandi
- Institute of Medical Microbiology and Hospital HygieneHeinrich‐Heine‐University DüsseldorfDüsseldorfGermany
| | - Klaus Pfeffer
- Institute of Medical Microbiology and Hospital HygieneHeinrich‐Heine‐University DüsseldorfDüsseldorfGermany
| | - Daria Augustyniak
- Department of Pathogen Biology and Immunology, Faculty of Biological SciencesUniversity of WroclawWroclawPoland
| | - Antje Blumenthal
- Frazer InstituteThe University of QueenslandQLDBrisbaneAustralia
| | - Lisa A Miosge
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Anne Brüstle
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Masahiro Yamamoto
- Department of Immunoparasitology, Research Institute for Microbial DiseasesOsaka UniversityOsakaJapan
- Laboratory of Immunoparasitology, WPI Immunology Frontier Research CenterOsaka UniversityOsakaJapan
| | - Patrick C Reading
- Department of Microbiology and ImmunologyThe University of Melbourne, The Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia
- WHO Collaborating Centre for Reference and Research on InfluenzaVictorian Infectious Diseases Reference Laboratory, The Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia
| | - Gaetan Burgio
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
| | - Si Ming Man
- Division of Immunology and Infectious Disease, The John Curtin School of Medical ResearchThe Australian National UniversityCanberraACTAustralia
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4
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Zhang X, Du Q, Chen G, Jiang Y, Huang K, Li L, Tong D, Huang Y. Guanylate-binding protein 1 inhibits nuclear delivery of pseudorabies virus by disrupting structure of actin filaments. Vet Res 2023; 54:21. [PMID: 36918936 PMCID: PMC10015811 DOI: 10.1186/s13567-023-01154-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/23/2022] [Indexed: 03/16/2023] Open
Abstract
The alphaherpesvirus pseudorabies virus (PRV) is the causative agent of pseudorabies, responsible for severe economic losses to the swine industry worldwide. The interferon-inducible GTPase guanylate-binding protein 1 (GBP1) exhibits antiviral immunity. Our findings show that there is a robust upregulation in the expression of porcine GBP1 during PRV infection. GBP1 knockout promotes PRV infection, while GBP1 overexpression restricts it. Importantly, we found that GBP1 impeded the normal structure of actin filaments in a GTPase-dependent manner, preventing PRV virions from reaching the nucleus. We also discovered that viral US3 protein bound GBP1 to interfere with its GTPase activity. Finally, the interaction between US3 and GBP1 requires US3 serine/threonine kinase activity sites and the GTPase domain (aa 1 to 308) of GBP1. Taken together, this study offers fresh perspectives on how PRV manipulates the host's antiviral immune system.
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Affiliation(s)
- Xiaohua Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Qian Du
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Guiyuan Chen
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yiyuan Jiang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Kai Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Linghao Li
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Dewen Tong
- College of Veterinary Medicine, Northwest A&F University, Yangling, China.
| | - Yong Huang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China.
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5
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Pathogen-selective killing by guanylate-binding proteins as a molecular mechanism leading to inflammasome signaling. Nat Commun 2022; 13:4395. [PMID: 35906252 PMCID: PMC9338265 DOI: 10.1038/s41467-022-32127-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 07/18/2022] [Indexed: 11/08/2022] Open
Abstract
Inflammasomes are cytosolic signaling complexes capable of sensing microbial ligands to trigger inflammation and cell death responses. Here, we show that guanylate-binding proteins (GBPs) mediate pathogen-selective inflammasome activation. We show that mouse GBP1 and GBP3 are specifically required for inflammasome activation during infection with the cytosolic bacterium Francisella novicida. We show that the selectivity of mouse GBP1 and GBP3 derives from a region within the N-terminal domain containing charged and hydrophobic amino acids, which binds to and facilitates direct killing of F. novicida and Neisseria meningitidis, but not other bacteria or mammalian cells. This pathogen-selective recognition by this region of mouse GBP1 and GBP3 leads to pathogen membrane rupture and release of intracellular content for inflammasome sensing. Our results imply that GBPs discriminate between pathogens, confer activation of innate immunity, and provide a host-inspired roadmap for the design of synthetic antimicrobial peptides that may be of use against emerging and re-emerging pathogens. Guanylate-binding proteins (GBP) have a function in inflammasome formation and pathogen defence. Here the authors show that these GBP proteins are able to kill certain bacteria and promote selective inflammasome activation and that this is mediated by specific GBP protein regions.
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Yu Y, Pan J, Liu M, Jiang H, Xiong J, Tao L, Xue F, Tang F, Wang H, Dai J. Guanylate-binding protein 2b regulates the AMPK/mTOR/ULK1 signalling pathway to induce autophagy during Mycobacterium bovis infection. Virulence 2022; 13:875-889. [PMID: 35531887 PMCID: PMC9132469 DOI: 10.1080/21505594.2022.2073024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Autophagic isolation and degradation of intracellular pathogens are employed by host cells as primary innate immune defense mechanisms to control intercellular M. bovis infection. In this study, RNA-Seq technology was used to obtain the total mRNA from bone marrow-derived macrophages (BMDMs) infected with M. bovis at 6 and 24 h after infection. One of the differential genes, GBP2b, was also investigated. Analysis of the significant pathway involved in GBP2b-coexpressed mRNA demonstrated that GBP2b was associated with autophagy and autophagy-related mammalian target of rapamycin (mTOR) signaling and AMP-activated protein kinase (AMPK) signaling. The results of in vivo and in vitro experiments showed significant up-regulation of GBP2b during M. bovis infection. For in vitro validation, small interfering RNA-GBP2b plasmids were transfected into BMDMs and RAW264.7 cells lines to down-regulate the expression of GBP2b. The results showed that the down-regulation of GBP2b impaired autophagy via the AMPK/mTOR/ULK1 pathway, thereby promoting the intracellular survival of M. bovis. Further studies revealed that the activation of AMPK signaling was essential for the regulation of autophagy during M. bovis infection. These findings expand the understanding of how GBP2b regulates autophagy and suggest that GBP2b may be a potential target for the treatment of diseases caused by M. bovis.
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Affiliation(s)
- Youli Yu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Jialiang Pan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Mengting Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Haiqin Jiang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Jingshu Xiong
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Lei Tao
- Nanjing Institute for Food and Drug Control, Nanjing, China
| | - Feng Xue
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Fang Tang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Hongsheng Wang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
| | - Jianjun Dai
- China Pharmaceutical University, Nanjing, China
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7
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Johns CE, Galam L. Guanylate Binding Protein 1 (GBP1): A Key Protein in Inflammatory Pyroptosis. Cell Biochem Biophys 2022; 80:295-299. [PMID: 35179710 DOI: 10.1007/s12013-021-01056-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 12/14/2021] [Indexed: 11/03/2022]
Abstract
Scientists recently made a significant breakthrough in the recognition of pathogens via guanylate binding protein 1 (GBP1). Wandel et al. [1] in Nature Immunology described their findings where GBP1 acts as a pattern recognition receptor that directly connects to lipopolysaccharide (LPS). GBP1 identifies gram-negative bacteria such as the enteric pathogen, Salmonella enterica serovar Typhimurium, that enter the cytoplasm of the host cell. GBP1 then quickly connects to LPS and stimulates the assembly of more GBPs in the order of GBP2, GBP3, and GBP4. Subsequently, inflammatory caspase-4 arrives at the GBP1-4 activation platform. Next, the activated caspase-4 drives the cleavage of Gasdermin D, triggering the release of the pro-inflammatory cytokine, interleukin-18 (IL-18) leading to inflammatory pyroptosis and cell death. Not only do these remarkable results expand our current understanding of GBP1, but they also carry the potential to develop therapeutic targets for inflammasome-mediated human disorders.
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Affiliation(s)
- Colleen Elsa Johns
- Division of Allergy and Immunology, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
| | - Lakshmi Galam
- Division of Allergy and Immunology, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA.
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Alphonse N, Dickenson RE, Odendall C. Interferons: Tug of War Between Bacteria and Their Host. Front Cell Infect Microbiol 2021; 11:624094. [PMID: 33777837 PMCID: PMC7988231 DOI: 10.3389/fcimb.2021.624094] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/05/2021] [Indexed: 12/30/2022] Open
Abstract
Type I and III interferons (IFNs) are archetypally antiviral cytokines that are induced in response to recognition of foreign material by pattern recognition receptors (PRRs). Though their roles in anti-viral immunity are well established, recent evidence suggests that they are also crucial mediators of inflammatory processes during bacterial infections. Type I and III IFNs restrict bacterial infection in vitro and in some in vivo contexts. IFNs mainly function through the induction of hundreds of IFN-stimulated genes (ISGs). These include PRRs and regulators of antimicrobial signaling pathways. Other ISGs directly restrict bacterial invasion or multiplication within host cells. As they regulate a diverse range of anti-bacterial host responses, IFNs are an attractive virulence target for bacterial pathogens. This review will discuss the current understanding of the bacterial effectors that manipulate the different stages of the host IFN response: IFN induction, downstream signaling pathways, and target ISGs.
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Affiliation(s)
- Noémie Alphonse
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
- Immunoregulation Laboratory, Francis Crick Institute, London, United Kingdom
| | - Ruth E. Dickenson
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
| | - Charlotte Odendall
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, King’s College London, London, United Kingdom
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