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López-Collazo E, del Fresno C. Endotoxin tolerance and trained immunity: breaking down immunological memory barriers. Front Immunol 2024; 15:1393283. [PMID: 38742111 PMCID: PMC11089161 DOI: 10.3389/fimmu.2024.1393283] [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: 02/28/2024] [Accepted: 04/09/2024] [Indexed: 05/16/2024] Open
Abstract
For decades, innate immune cells were considered unsophisticated first responders, lacking the adaptive memory of their T and B cell counterparts. However, mounting evidence demonstrates the surprising complexity of innate immunity. Beyond quickly deploying specialized cells and initiating inflammation, two fascinating phenomena - endotoxin tolerance (ET) and trained immunity (TI) - have emerged. ET, characterized by reduced inflammatory response upon repeated exposure, protects against excessive inflammation. Conversely, TI leads to an enhanced response after initial priming, allowing the innate system to mount stronger defences against subsequent challenges. Although seemingly distinct, these phenomena may share underlying mechanisms and functional implications, blurring the lines between them. This review will delve into ET and TI, dissecting their similarities, differences, and the remaining questions that warrant further investigation.
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Affiliation(s)
- Eduardo López-Collazo
- The Innate Immune Response Group, Hospital la Paz Institute for Health Research (IdiPAZ), La Paz University Hospital, Madrid, Spain
- Tumour Immunology Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
- Centro de Investigación Biomédica en Red (CIBER), Respiratory Diseases (CIBRES), Madrid, Spain
| | - Carlos del Fresno
- The Innate Immune Response Group, Hospital la Paz Institute for Health Research (IdiPAZ), La Paz University Hospital, Madrid, Spain
- Immunomodulation Laboratory, IdiPAZ, La Paz University Hospital, Madrid, Spain
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2
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Domínguez-Martínez DA, Pérez-Flores MS, Núñez-Avellaneda D, Torres-Flores JM, León-Avila G, García-Pérez BE, Salazar MI. NOD2 Responds to Dengue Virus Type 2 Infection in Macrophage-like Cells Interacting with MAVS Adaptor and Affecting IFN-α Production and Virus Titers. Pathogens 2024; 13:306. [PMID: 38668261 PMCID: PMC11054756 DOI: 10.3390/pathogens13040306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/14/2024] [Accepted: 04/07/2024] [Indexed: 04/29/2024] Open
Abstract
In pathogen recognition, the nucleotide-binding domain (NBD) and leucine rich repeat receptors (NLRs) have noteworthy functions in the activation of the innate immune response. These receptors respond to several viral infections, among them NOD2, a very dynamic NLR, whose role in dengue virus (DENV) infection remains unclear. This research aimed to determine the role of human NOD2 in THP-1 macrophage-like cells during DENV-2 infection. NOD2 levels in DENV-2 infected THP-1 macrophage-like cells was evaluated by RT-PCR and Western blot, and an increase was observed at both mRNA and protein levels. We observed using confocal microscopy and co-immunoprecipitation assays that NOD2 interacts with the effector protein MAVS (mitochondrial antiviral signaling protein), an adaptor protein promoting antiviral activity, this occurring mainly at 12 h into the infection. After silencing NOD2, we detected increased viral loads of DENV-2 and lower levels of IFN-α in supernatants from THP-1 macrophage-like cells with NOD2 knock-down and further infected with DENV-2, compared with mock-control or cells transfected with Scramble-siRNA. Thus, NOD2 is activated in response to DENV-2 in THP-1 macrophage-like cells and participates in IFN-α production, in addition to limiting virus replication at the examined time points.
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Affiliation(s)
- Diana Alhelí Domínguez-Martínez
- Laboratorio de Inmunología Celular e Inmunopatogénesis, Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico;
- Unidad de Investigación en Virología y Cáncer, Hospital Infantil de México Federico Gómez, Ciudad de México CP 06720, Mexico
| | - Mayra Silvia Pérez-Flores
- Laboratorio Nacional de Vacunología y Virus Tropicales (LNVyVT), Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico; (M.S.P.-F.); (J.M.T.-F.)
| | - Daniel Núñez-Avellaneda
- Dirección Adjunta de Desarrollo Tecnológico, Vinculación e Innovación, Consejo Nacional de Humanidades Ciencias y Tecnologías, Ciudad de México CP 03940, Mexico;
| | - Jesús M. Torres-Flores
- Laboratorio Nacional de Vacunología y Virus Tropicales (LNVyVT), Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico; (M.S.P.-F.); (J.M.T.-F.)
| | - Gloria León-Avila
- Laboratorio de Genética, Departamento de Zoología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico;
| | - Blanca Estela García-Pérez
- Laboratorio de Microbiología General, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico;
| | - Ma Isabel Salazar
- Laboratorio Nacional de Vacunología y Virus Tropicales (LNVyVT), Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional, Ciudad de México CP 11340, Mexico; (M.S.P.-F.); (J.M.T.-F.)
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Aliashrafi M, Nasehi M, Zarrindast MR, Joghataei MT, Zali H, Siadat SD. Intracerebroventricular Cutibacterium acnes Generates Manifestations of Alzheimer's Disease-like Pathology in the Rat Hippocampus. Neuroscience 2024; 540:103-116. [PMID: 38266907 DOI: 10.1016/j.neuroscience.2024.01.013] [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: 04/23/2023] [Revised: 01/13/2024] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
The infection hypothesis is a new causative explanation for Alzheimer's disease (AD). In recent decades, various species of bacterial pathogens have been distinguished in the autopsy of Alzheimer's patients; however, the mechanism of bacterial contribution to AD pathology is still unknown. To explore the hypothesis, Cutibacterium acnes (C. acnes) was selected, and effects of its intracerebroventricular (ICV) inoculation in rats was evaluated. The results revealed that C. acnes causes memory impairment, which might be a consequence of upregulated Amyloid β (Aβ) deposits in the hippocampus; Aβ aggregates are co-localized with C. acnes colonies. The key point of our hypothesis is that the activation of the innate immune system by C. acnes through the TLR2/NF-κB/NLRP3 signaling pathway, eventually leads to increased neuroinflammation, which might be resulted from microgliosis and astrogliosis. Neuroinflammation increases oxidative stress and cell apoptosis. Overall, the obtained results of this study support our hypothesis that brain exposure to C. acnes prompted neuroinflammation with similar AD-like pathology.
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Affiliation(s)
- Morteza Aliashrafi
- Department of Cognitive Neuroscience, Institute for Cognitive Science Studies, Tehran, Iran; Shahid Beheshti University, Tehran, Iran
| | - Mohammad Nasehi
- Cognitive and Neuroscience Research Center, Amir-Almomenin Hospital, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Mohammad-Reza Zarrindast
- Department of Cognitive Neuroscience, Institute for Cognitive Science Studies, Tehran, Iran; Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad-Taghi Joghataei
- Cellular and Molecular Research Center, Department of Neuroscience, Iran University of Medical Science, Tehran, Iran
| | - Hakimeh Zali
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Seyed Davar Siadat
- Department of Mycobacteriology and Pulmonary Research, Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran
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4
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Mao D, Inoue H, Goda S. Role of the nucleotide-binding oligomerization domain-containing protein 1 pathway in the development of periodontitis. J Oral Biosci 2024; 66:105-111. [PMID: 38182046 DOI: 10.1016/j.job.2023.12.008] [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: 09/05/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/07/2024]
Abstract
OBJECTIVES During innate immune defense, host pattern recognition receptors, including toll-like receptors and nucleotide-binding oligomerization domain-like receptors (NLRs), can activate downstream pathways by recognizing pathogen-associated molecular patterns produced by microorganisms, triggering immune responses. NOD1, an important cell membrane protein in the NLR-like receptor protein family, exerts anti-infective effects through γ-D-glutamyl-meso-diaminopimelic acid (iE-DAP) recognition. Oral epithelial cells resist bacterial invasion through iE-DAP-induced interleukin (IL)-8 production, recruiting neutrophils to sites of inflammation in response to bacterial threats to periodontal tissues. To date, the regulatory mechanisms of iE-DAP in gingival epithelial cells (GECs) are poorly understood. This study was conducted to investigate the role of the NOD1 pathway in the development of periodontitis by examining the effect of iE-DAP on IL-8 production in Ca9-22 cells. METHODS IL-8 production by iE-DAP-stimulated-Ca9-22 cells was assessed using an enzyme-linked immunosorbent assay. Phosphorylation levels of intracellular signaling molecules were evaluated using western blot analyses. RESULTS iE-DAP induced NOD1 receptor expression in Ca9-22 cells. Additionally, iE-DAP induced expression of pro-IL-1β protein without extracellular secretion. Our results suggest that iE-DAP regulates IL-8 production by activating p38 mitogen-activated protein kinase (MAPK) and ERK1/2 signaling pathways. iE-DAP also promoted nuclear factor kappa-B p65 phosphorylation, facilitating its nuclear translocation. Notably, p38 MAPK and ERK1/2 inhibitors suppressed iE-DAP-stimulated IL-8 production, suggesting that JNK is not involved in this mechanism. CONCLUSIONS Our results indicate that p38 MAPK and ERK1/2, but not JNK, are involved in innate immune responses in GECs.
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Affiliation(s)
- Dan Mao
- Graduate School of Dentistry, Department of Physiology, Osaka Dental University, Osaka, Japan.
| | - Hiroshi Inoue
- Department of Physiology, Osaka Dental University, Osaka, Japan.
| | - Seiji Goda
- Department of Physiology, Osaka Dental University, Osaka, Japan.
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Raghuraman P, Ramireddy S, Raman G, Park S, Sudandiradoss C. Understanding a point mutation signature D54K in the caspase activation recruitment domain of NOD1 capitulating concerted immunity via atomistic simulation. J Biomol Struct Dyn 2024:1-17. [PMID: 38415678 DOI: 10.1080/07391102.2024.2322618] [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: 07/27/2023] [Accepted: 12/11/2023] [Indexed: 02/29/2024]
Abstract
Point mutation D54K in the human N-terminal caspase recruitment domain (CARD) of nucleotide-binding oligomerization domain -1 (NOD1) abrogates an imperative downstream interaction with receptor-interacting protein kinase (RIPK2) that entails combating bacterial infections and inflammatory dysfunction. Here, we addressed the molecular details concerning conformational changes and interaction patterns (monomeric-dimeric states) of D54K by signature-based molecular dynamics simulation. Initially, the sequence analysis prioritized D54K as a pathogenic mutation, among other variants, based on a sequence signature. Since the mutation is highly conserved, we derived the distant ortholog to predict the sequence and structural similarity between native and mutant. This analysis showed the utility of 33 communal core residues associated with structural-functional preservation and variations, concurrently served to infer the cryptic hotspots Cys39, Glu53, Asp54, Glu56, Ile57, Leu74, and Lys78 determining the inter helical fold forming homodimers for putative receptor interaction. Subsequently, the atomistic simulations with free energy (MM/PB(GB)SA) calculations predicted structural alteration that takes place in the N-terminal mutant CARD where coils changed to helices (45 α3- L4-α4-L6- α683) in contrast to native (45T2-L4-α4-L6-T483). Likewise, the C-terminal helices 93T1-α7105 connected to the loops distorted compared to native 93α6-L7105 may result in conformational misfolding that promotes functional regulation and activation. These structural perturbations of D54K possibly destabilize the flexible adaptation of critical homotypic NOD1CARD-CARDRIPK2 interactions (α4Asp42-Arg488α5 and α6Phe86-Lys471α4) is consistent with earlier experimental reports. Altogether, our findings unveil the conformational plasticity of mutation-dependent immunomodulatory response and may aid in functional validation exploring clinical investigation on CARD-regulated immunotherapies to prevent systemic infection and inflammation.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- P Raghuraman
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Vellore, India
- Department of Life Sciences, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - Sriroopreddy Ramireddy
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Vellore, India
- Department of Genetics and Molecular Biology, School of Health Sciences, The Apollo University, Chittoor, India
| | - Gurusamy Raman
- Department of Life Sciences, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - SeonJoo Park
- Department of Life Sciences, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, Republic of Korea
| | - C Sudandiradoss
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Vellore, India
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Dixon CL, Martin NR, Niphakis MJ, Cravatt BF, Fairn GD. Attenuating ABHD17 enhances S- palmitoylation, membrane localization and signal transduction of NOD2 and Crohn's disease-associated variants. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.20.572362. [PMID: 38187608 PMCID: PMC10769251 DOI: 10.1101/2023.12.20.572362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
NOD2 is an intracellular innate immune receptor that senses bacterial peptidoglycans. Although soluble in the cytosol, a portion of the protein is associated with the plasma membrane and endosomal compartments for microbial surveillance. Palmitoylation of NOD2 by zDHHC5 promotes its membrane recruitment to drive proinflammatory and antimicrobial responses to pathogenic invasion. A depalmitoylation step by an unknown protein, thioesterase, releases NOD2 from membranes into the cytosol, where the protein can then enter a new cycle of palmitoylation-depalmitoylation. Here, we identify α/β -hydrolase domain-containing protein 17 isoforms (ABHD17A, 17B, 17C) as the thioesterases responsible for depalmitoylation of NOD2. Inhibiting ABHD17 increased the plasmalemmal localization of both wild-type NOD2 and a subset of hypo-palmitoylated Crohn's disease-associated variants, resulting in increased NF-κB activation and production of pro-inflammatory cytokines in epithelial cells. These results suggest that targeted inhibition of ABHD17 may rescue some Crohn's disease-associated NOD2 variants.
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Ji L, Li T, Chen H, Yang Y, Lu E, Liu J, Qiao W, Chen H. The crucial regulatory role of type I interferon in inflammatory diseases. Cell Biosci 2023; 13:230. [PMID: 38124132 PMCID: PMC10734085 DOI: 10.1186/s13578-023-01188-z] [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: 10/16/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023] Open
Abstract
Type I interferon (IFN-I) plays crucial roles in the regulation of inflammation and it is associated with various inflammatory diseases including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and periodontitis, impacting people's health and quality of life. It is well-established that IFN-Is affect immune responses and inflammatory factors by regulating some signaling. However, currently, there is no comprehensive overview of the crucial regulatory role of IFN-I in distinctive pathways as well as associated inflammatory diseases. This review aims to provide a narrative of the involvement of IFN-I in different signaling pathways, mainly mediating the related key factors with specific targets in the pathways and signaling cascades to influence the progression of inflammatory diseases. As such, we suggested that IFN-Is induce inflammatory regulation through the stimulation of certain factors in signaling pathways, which displays possible efficient treatment methods and provides a reference for the precise control of inflammatory diseases.
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Affiliation(s)
- Ling Ji
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China
| | - Tianle Li
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China
| | - Huimin Chen
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China
| | - Yanqi Yang
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China
- Division of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China
| | - Eryi Lu
- Department of Stomatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, 160 Pujian Road, Shanghai, China
| | - Jieying Liu
- Department of Medical Research Center, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Wei Qiao
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China.
- Applied Oral Sciences & Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Level 3, 34 Hospital Road, Sai Ying Pun, Hong Kong, SAR, People's Republic of China.
| | - Hui Chen
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong, SAR, People's Republic of China.
- Division of Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Level 3, 34 Hospital Road, Sai Ying Pun, Hong Kong, SAR, People's Republic of China.
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Rivoal M, Dubuquoy L, Millet R, Leleu-Chavain N. Receptor Interacting Ser/Thr-Protein Kinase 2 as a New Therapeutic Target. J Med Chem 2023; 66:14391-14410. [PMID: 37857324 DOI: 10.1021/acs.jmedchem.3c00593] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Receptor interacting serine/threonine protein kinase 2 (RIPK2) is a downstream signaling molecule essential for the activation of several innate immune receptors, including the NOD-like receptors (NOD1 and NOD2). Recognition of pathogen-associated molecular pattern proteins by NOD1/2 leads to their interaction with RIPK2, which induces release of pro-inflammatory cytokines through the activation of NF-κB and MAPK pathways, among others. Thus, RIPK2 has emerged as a key mediator of intracellular signal transduction and represents a new potential therapeutic target for the treatment of various conditions, including inflammatory diseases and cancer. In this Perspective, first, an overview of the mechanisms that underlie RIPK2 function will be presented along with its role in several diseases. Then, the existing inhibitors that target RIPK2 and different therapeutic strategies will be reviewed, followed by a discussion on current challenges and outlook.
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Affiliation(s)
- Morgane Rivoal
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Laurent Dubuquoy
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Régis Millet
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
| | - Natascha Leleu-Chavain
- Inserm, U1286 - INFINITE - Institute for Translational Research in Inflammation, University of Lille, F-59000 Lille, France
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Al-Awadhi FH, Simon EF, Liu N, Ratnayake R, Paul VJ, Luesch H. Discovery and Anti-Inflammatory Activity of a Cyanobacterial Fatty Acid Targeting the Keap1/Nrf2 Pathway. Mar Drugs 2023; 21:553. [PMID: 37999377 PMCID: PMC10672429 DOI: 10.3390/md21110553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 11/25/2023] Open
Abstract
The monounsaturated fatty acid 7(E)-9-keto-hexadec-7-enoic acid (1) and three structurally related analogues with different oxidation states and degrees of unsaturation (2-4) were discovered from a marine benthic cyanobacterial mat collected from Delta Shoal, Florida Keys. Their structures were elucidated using NMR spectroscopy and mass spectrometry. The structure of 1 contained an α,β-unsaturated carbonyl system, a key motif required for the activation of the Keap1/Nrf2-ARE pathway that is involved in the activation of antioxidant and phase II detoxification enzymes. Compounds 1-4 were screened in ARE-luciferase reporter gene assay using stably transfected HEK293 cells, and only 1 significantly induced Nrf2 activity at 32 and 10 µM, whereas 2-4 were inactive. As there is crosstalk between inflammation and oxidative stress, subsequent biological studies were focused on 1 to investigate its anti-inflammatory potential. Compound 1 induced Nqo1, a well-known target gene of Nrf2, and suppressed iNos transcript levels, which translated into reduced levels of nitric oxide in LPS-activated mouse macrophage RAW264.7 cells, a more relevant model for inflammation. RNA sequencing was performed to capture the effects of 1 on a global level and identified additional canonical pathways and upstream regulators involved in inflammation and immune response, particularly those related to multiple sclerosis. A targeted survey of marine cyanobacterial samples from other geographic locations, including Guam, suggested the widespread occurrence of 1. Furthermore, the previous isolation of 1 from marine diatoms and green algae implied a potentially important ecological role across marine algal eukaryotes and prokaryotes. The previous isolation from sea lettuce raises the possibility of dietary intervention to attenuate inflammation and related disease progression.
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Affiliation(s)
- Fatma H. Al-Awadhi
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, FL 32610, USA or (F.H.A.-A.); (E.F.S.); (N.L.); (R.R.)
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait
| | - Emily F. Simon
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, FL 32610, USA or (F.H.A.-A.); (E.F.S.); (N.L.); (R.R.)
| | - Na Liu
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, FL 32610, USA or (F.H.A.-A.); (E.F.S.); (N.L.); (R.R.)
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China
| | - Ranjala Ratnayake
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, FL 32610, USA or (F.H.A.-A.); (E.F.S.); (N.L.); (R.R.)
| | | | - Hendrik Luesch
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, FL 32610, USA or (F.H.A.-A.); (E.F.S.); (N.L.); (R.R.)
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Bovungana Q, Arumugam T, Ramsuran V. The association of host genes with specific sexually transmitted infections. FRONTIERS IN REPRODUCTIVE HEALTH 2023; 5:1124074. [PMID: 37937275 PMCID: PMC10627165 DOI: 10.3389/frph.2023.1124074] [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: 12/14/2022] [Accepted: 10/12/2023] [Indexed: 11/09/2023] Open
Abstract
Sexually transmitted infections (STIs) are hazardous to human health worldwide. STIs have a direct influence on sexual and reproductive health and can increase the chances of HIV. Globally, more than 1 million STIs are acquired every day and the majority are asymptomatic. Approximately, 374 million cases of STIs have been reported annually. The most prevalent STIs include chlamydia, gonorrhoea, syphilis, and trichomoniasis. These STIs are caused by Chlamydia trachomatis, Neisseria gonorrhoeae, Treponema pallidum and Trichomonas vaginalis. The major factor that contributes to the susceptibility and prognosis of infectious diseases is genetic variation. Host genes play a huge role in STIs and immune response. The production of host factors is stimulated by a variety of bacteria, viruses and parasites and the host factors can play a role in increasing host vulnerability to infection and pathogen persistence. Genetic variation or polymorphisms within certain host genes can influence the course of pathogen infection and disease progression. Polymorphisms can contribute to changes in gene expression and or changes in the protein structure. which may either contribute to/or protect against infection. This review discusses the role of host genes in influencing the susceptibility of the most prevalent STIs caused by Chlamydia trachomatis, Trichomonas vaginalis, Treponema pallidum and Neisseria gonorrhoeae. We evaluate polymorphisms associated pathogen recognition signalling pathway of these diseases. These polymorphisms may be used as biomarkers to infer risk to specific STIs.
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Affiliation(s)
- Qhama Bovungana
- School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban, South Africa
| | - Thilona Arumugam
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa
| | - Veron Ramsuran
- School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban, South Africa
- Centre for the AIDS Programme of Research in South Africa (CAPRISA), University of KwaZulu-Natal, Durban, South Africa
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Mikkelsen K, Dargahi N, Fraser S, Apostolopoulos V. High-Dose Vitamin B6 (Pyridoxine) Displays Strong Anti-Inflammatory Properties in Lipopolysaccharide-Stimulated Monocytes. Biomedicines 2023; 11:2578. [PMID: 37761018 PMCID: PMC10526783 DOI: 10.3390/biomedicines11092578] [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: 08/24/2023] [Revised: 09/16/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Vitamin B6 is shown to have anti-inflammatory properties, which makes it an interesting nutraceutical agent. Vitamin B6 deficiency is well established as a contributor to inflammatory-related conditions, whilst B6 supplementation can reverse these inflammatory effects. There is less information available regarding the effects of high-dose vitamin B6 supplementation as a therapeutic agent. This study set out to examine the effects of high-dose vitamin B6 on an LPS-stimulated monocyte/macrophage cell population via an analysis of protein and gene expression using an RT2 profiler PCR array for Human Innate and Adaptive Immune responses. It was identified that high-dose vitamin B6 has a global anti-inflammatory effect on lipopolysaccharide-induced inflammation in monocyte/macrophage cells by downregulating the key broad-spectrum inflammatory mediators CCL2, CCL5, CXCL2, CXCL8, CXCL10, CCR4, CCR5, CXCR3, IL-1β, IL-5, IL-6, IL-10, IL-18, IL-23-a, TNF-α, CSF2, DDX58, NLRP3, NOD1, NOD2, TLR-1 -2 -4 -5 -7 -8 -9, MYD88, C3, FOXP3, STAT1, STAT3, STAT6, LYZ, CASP-1, CD4, HLA-E, MAPK1, MAPK8 MPO, MX-1, NF-κβ, NF-κβ1A, CD14, CD40, CD40LG, CD86, Ly96, ICAM1, IRF3, ITGAM, and IFCAM2. The outcomes of this study show promise regarding vitamin B6 within the context of a potent broad-spectrum anti-inflammatory mediator and could prove useful as an adjunct treatment for inflammatory-related diseases.
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Affiliation(s)
| | | | | | - Vasso Apostolopoulos
- Immunology and Translational Research Group, Institute for Health and Sport, Werribee Campus, Victoria University, Melbourne, VIC 3030, Australia; (K.M.); (N.D.); (S.F.)
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Root-Bernstein R. From Co-Infections to Autoimmune Disease via Hyperactivated Innate Immunity: COVID-19 Autoimmune Coagulopathies, Autoimmune Myocarditis and Multisystem Inflammatory Syndrome in Children. Int J Mol Sci 2023; 24:ijms24033001. [PMID: 36769320 PMCID: PMC9917907 DOI: 10.3390/ijms24033001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 02/05/2023] Open
Abstract
Neutrophilia and the production of neutrophil extracellular traps (NETs) are two of many measures of increased inflammation in severe COVID-19 that also accompany its autoimmune complications, including coagulopathies, myocarditis and multisystem inflammatory syndrome in children (MIS-C). This paper integrates currently disparate measures of innate hyperactivation in severe COVID-19 and its autoimmune complications, and relates these to SARS-CoV-2 activation of innate immunity. Aggregated data include activation of Toll-like receptors (TLRs), nucleotide-binding oligomerization domain (NOD) receptors, NOD leucine-rich repeat and pyrin-domain-containing receptors (NLRPs), retinoic acid-inducible gene I (RIG-I) and melanoma-differentiation-associated gene 5 (MDA-5). SARS-CoV-2 mainly activates the virus-associated innate receptors TLR3, TLR7, TLR8, NLRP3, RIG-1 and MDA-5. Severe COVID-19, however, is characterized by additional activation of TLR1, TLR2, TLR4, TLR5, TLR6, NOD1 and NOD2, which are primarily responsive to bacterial antigens. The innate activation patterns in autoimmune coagulopathies, myocarditis and Kawasaki disease, or MIS-C, mimic those of severe COVID-19 rather than SARS-CoV-2 alone suggesting that autoimmunity follows combined SARS-CoV-2-bacterial infections. Viral and bacterial receptors are known to synergize to produce the increased inflammation required to support autoimmune disease pathology. Additional studies demonstrate that anti-bacterial antibodies are also required to account for known autoantigen targets in COVID-19 autoimmune complications.
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The role of NOD2 in intestinal immune response and microbiota modulation: A therapeutic target in inflammatory bowel disease. Int Immunopharmacol 2022; 113:109466. [DOI: 10.1016/j.intimp.2022.109466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/11/2022] [Accepted: 10/24/2022] [Indexed: 11/25/2022]
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Pandya G, Kirtonia A, Singh A, Goel A, Mohan CD, Rangappa KS, Pandey AK, Kapoor S, Tandon S, Sethi G, Garg M. A comprehensive review of the multifaceted role of the microbiota in human pancreatic carcinoma. Semin Cancer Biol 2022; 86:682-692. [PMID: 34051351 DOI: 10.1016/j.semcancer.2021.05.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 04/04/2021] [Accepted: 05/23/2021] [Indexed: 01/27/2023]
Abstract
Pancreatic carcinoma is associated with one of the worst clinical outcomes throughout the globe because of its aggressive, metastatic, and drug-resistant nature. During the past decade, several studies have shown that oral, gut, and tumor microbiota play a critical role in the modulation of metabolism and immune responses. Growing pieces of evidence have proved beyond a doubt that the microbiota has a unique ability to influence the tumor microenvironment as well as the metabolism of chemotherapeutic agents or drugs. Given this, microbiota, known as the ecological community of microorganisms, stands to be an avenue of quality research. In this review, we provide detailed and critical information on the role of oral, gut, and pancreatic microbiota disruptions in the development of pancreatic carcinoma. Moreover, we comprehensively discuss the different types of microbiota, their potential role, and mechanism associated with pancreatic carcinoma. The microbiome provides the unique opportunity to enhance the effectiveness of chemotherapeutic agents and immunotherapies for pancreatic cancer by maintaining the right type of microbiota and holds a promising future to enhance the clinical outcomes of patients with pancreatic carcinoma.
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Affiliation(s)
- Gouri Pandya
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India
| | - Anuradha Kirtonia
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India
| | - Aishwarya Singh
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India
| | - Arul Goel
- La Canada High School, La Canada Flintridge, CA 91011, USA
| | | | | | - Amit Kumar Pandey
- Amity Institute of Biotechnology, Amity University Haryana, Manesar, Haryana 122413, India
| | - Sonia Kapoor
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India
| | - Simran Tandon
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore.
| | - Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research (AIMMSCR), Amity University, Uttar Pradesh, Noida, 201313, India.
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15
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Jurynec MJ, Gavile CM, Honeggar M, Ma Y, Veerabhadraiah SR, Novak KA, Hoshijima K, Kazmers NH, Grunwald DJ. NOD/RIPK2 signalling pathway contributes to osteoarthritis susceptibility. Ann Rheum Dis 2022; 81:1465-1473. [PMID: 35732460 PMCID: PMC9474725 DOI: 10.1136/annrheumdis-2022-222497] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 06/07/2022] [Indexed: 12/21/2022]
Abstract
OBJECTIVES How inflammatory signalling contributes to osteoarthritis (OA) susceptibility is undetermined. An allele encoding a hyperactive form of the Receptor Interacting Protein Kinase 2 (RIPK2) proinflammatory signalling intermediate has been associated with familial OA. To test whether altered nucleotide-binding oligomerisation domain (NOD)/RIPK2 pathway activity causes heightened OA susceptibility, we investigated whether variants affecting additional pathway components are associated with familial OA. To determine whether the Ripk2104Asp disease allele is sufficient to account for the familial phenotype, we determined the effect of the allele on mice. METHODS Genomic analysis of 150 independent families with dominant inheritance of OA affecting diverse joints was used to identify coding variants that segregated strictly with occurrence of OA. Genome editing was used to introduce the OA-associated RIPK2 (p.Asn104Asp) allele into the genome of inbred mice. The consequences of the Ripk2104Asp disease allele on physiology and OA susceptibility in mice were measured by histology, immunohistochemistry, serum cytokine levels and gene expression. RESULTS We identified six novel variants affecting components of the NOD/RIPK2 inflammatory signalling pathway that are associated with familial OA affecting the hand, shoulder or foot. The Ripk2104Asp allele acts dominantly to alter basal physiology and response to trauma in the mouse knee. Whereas the knees of uninjured Ripk2Asp104 mice appear normal histologically, the joints exhibit a set of marked gene expression changes reminiscent of overt OA. Although the Ripk2104Asp mice lack evidence of chronically elevated systemic inflammation, they do exhibit significantly increased susceptibility to post-traumatic OA (PTOA). CONCLUSIONS Two types of data support the hypothesis that altered NOD/RIPK2 signalling confers susceptibility to OA.
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Affiliation(s)
- Michael J Jurynec
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
- Department of Human Genetics, University of Utah Health, Salt Lake City, Utah, USA
| | - Catherine M Gavile
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
| | - Matthew Honeggar
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
| | - Ying Ma
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
| | | | - Kendra A Novak
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
| | - Kazuyuki Hoshijima
- Department of Human Genetics, University of Utah Health, Salt Lake City, Utah, USA
| | - Nikolas H Kazmers
- Department of Orthopaedics, University of Utah Health, Salt Lake City, Utah, USA
| | - David J Grunwald
- Department of Human Genetics, University of Utah Health, Salt Lake City, Utah, USA
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16
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Roles of Gut Microbiome in Bone Homeostasis and Its Relationship with Bone-Related Diseases. BIOLOGY 2022; 11:biology11101402. [PMID: 36290306 PMCID: PMC9598716 DOI: 10.3390/biology11101402] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022]
Abstract
Simple Summary In recent years, there has been increasing evidence that communication between the skeletal system and the gut microbiome (GM) can influence bone health and that the GM is a key regulator of bone homeostasis. Here, we review the roles of GM in bone homeostasis. In addition, the relationship between GM composition and selected bone-related diseases (osteoporosis, osteoarthritis, rheumatoid arthritis, diabetes mellitus, obesity and bone cancer) is presented. It is also emphasized that a probiotic supplementation can play an important role in suppressing the symptoms of each of these diseases. Abstract The extended microbial genome—the gut microbiome (GM)—plays a significant role in host health and disease. It is able to influence a number of physiological functions. During dysbiosis, GM is associated with the development of various chronic diseases with impaired bone quality. In general, GM is important for bone homeostasis and can affect it via several mechanisms. This review describes the roles of GM in bone homeostasis through influencing the immune and endocrine functions, short-chain fatty acids production, calcium absorption and the gut–brain axis. The relationship between GM composition and several bone-related diseases, specifically osteoporosis, osteoarthritis, rheumatoid arthritis, diabetes mellitus, obesity and bone cancer, is also highlighted and summarized. GM manipulation may become a future adjuvant therapy in the prevention of many chronic diseases. Therefore, the beneficial effects of probiotic therapy to improve the health status of individuals with aforementioned diseases are provided, but further studies are needed to clearly confirm its effectiveness. Recent evidence suggests that GM is responsible for direct and indirect effects on drug efficacy. Accordingly, various GM alterations and interactions related to the treatment of bone-related diseases are mentioned as well.
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Godkowicz M, Druszczyńska M. NOD1, NOD2, and NLRC5 Receptors in Antiviral and Antimycobacterial Immunity. Vaccines (Basel) 2022; 10:vaccines10091487. [PMID: 36146565 PMCID: PMC9503463 DOI: 10.3390/vaccines10091487] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/31/2022] [Accepted: 09/01/2022] [Indexed: 11/24/2022] Open
Abstract
The innate immune system recognizes pathogen-associated molecular motifs through pattern recognition receptors (PRRs) that induce inflammasome assembly in macrophages and trigger signal transduction pathways, thereby leading to the transcription of inflammatory cytokine genes. Nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) represent a family of cytosolic PRRs involved in the detection of intracellular pathogens such as mycobacteria or viruses. In this review, we discuss the role of NOD1, NOD2, and NLRC5 receptors in regulating antiviral and antimycobacterial immune responses by providing insight into molecular mechanisms as well as their potential health and disease implications.
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Affiliation(s)
- Magdalena Godkowicz
- Lodz Institutes of the Polish Academy of Sciences, The Bio-Med-Chem Doctoral School, University of Lodz, 90-237 Lodz, Poland
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha12/16, 90-237 Lodz, Poland
- Correspondence:
| | - Magdalena Druszczyńska
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha12/16, 90-237 Lodz, Poland
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18
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Ko CN, Zang S, Zhou Y, Zhong Z, Yang C. Nanocarriers for effective delivery: modulation of innate immunity for the management of infections and the associated complications. J Nanobiotechnology 2022; 20:380. [PMID: 35986268 PMCID: PMC9388998 DOI: 10.1186/s12951-022-01582-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/01/2022] [Indexed: 12/24/2022] Open
Abstract
Innate immunity is the first line of defense against invading pathogens. Innate immune cells can recognize invading pathogens through recognizing pathogen-associated molecular patterns (PAMPs) via pattern recognition receptors (PRRs). The recognition of PAMPs by PRRs triggers immune defense mechanisms and the secretion of pro-inflammatory cytokines such as TNF-α, IL-1β, and IL-6. However, sustained and overwhelming activation of immune system may disrupt immune homeostasis and contribute to inflammatory disorders. Immunomodulators targeting PRRs may be beneficial to treat infectious diseases and their associated complications. However, therapeutic performances of immunomodulators can be negatively affected by (1) high immune-mediated toxicity, (2) poor solubility and (3) bioactivity loss after long circulation. Recently, nanocarriers have emerged as a very promising tool to overcome these obstacles owning to their unique properties such as sustained circulation, desired bio-distribution, and preferred pharmacokinetic and pharmacodynamic profiles. In this review, we aim to provide an up-to-date overview on the strategies and applications of nanocarrier-assisted innate immune modulation for the management of infections and their associated complications. We first summarize examples of important innate immune modulators. The types of nanomaterials available for drug delivery, as well as their applications for the delivery of immunomodulatory drugs and vaccine adjuvants are also discussed.
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19
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Russo C, Morello G, Mannino G, Russo A, Malaguarnera L. Immunoregulation of Ghrelin in neurocognitive sequelae associated with COVID-19: an in silico investigation. Gene 2022; 834:146647. [PMID: 35680023 PMCID: PMC9169425 DOI: 10.1016/j.gene.2022.146647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/16/2022] [Accepted: 06/02/2022] [Indexed: 01/08/2023]
Abstract
Some patients suffering from the new Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) develop an exaggerated inflammatory response triggered by a “cytokine storm” resulting in acute respiratory distress syndrome (ARDS) with the concomitant activation of non-specific inflammatory reactivity in the circulatory system and other organs, leading to multiorgan failure, leaky vasculature, coagulopathies and stroke. Impairment of brain functions may also occur as dysregulations in immune function resulting from neuroendocrine interactions. In this study, we explored, by bioinformatics approaches, the interaction between the multiple inflammatory agents involved in SARS-CoV-2 and Ghrelin (Ghre) together with its receptor GHSR-1A, which are described as anti-inflammatory mediators, in order to investigate what could trigger the hyper-inflammatory response in some SARS-CoV-2 patients. In our analysis, we found several interactions of Ghre and GHSR-1A with SARS-CoV-2 interacting human genes. We observed a correlation between Ghre, angiotensin-converting enzyme 2 ACE2, toll-like receptors 9 (TLR9), and Acidic chitinase (CHIA), whereas its receptor GHSR-1A interacts with chemokine receptor 3 (CXCR3), CCR3, CCR5, CCR7, coagulation factor II (thrombin) receptor-like 1 (F2RL1), vitamin D receptor (VDR), Nucleotide-binding oligomerization domain-containing protein 1 (NOD1) and DDP4 in receptor dipeptidyl peptidase-4. To our knowledge, our findings show, for the first time, that Ghre and GHSR-1A may exert an immunomodulatory function in the course of SARS-Cov-2 infection.
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Affiliation(s)
- Cristina Russo
- Pathology Section, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Giovanna Morello
- Department of Biomedical Science, Institute for Research and Biomedical Innovation (IRIB), National Research Council (CNR), Catania, Italy
| | - Giuliana Mannino
- Physiology Section, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy; Physiology section, Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Antonella Russo
- Physiology Section, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Lucia Malaguarnera
- Pathology Section, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
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20
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Liu W, Jiang P, Yang K, Song Q, Yuan F, Liu Z, Gao T, Zhou D, Guo R, Li C, Sun P, Tian Y. Mycoplasma hyopneumoniae Infection Activates the NOD1 Signaling Pathway to Modulate Inflammation. Front Cell Infect Microbiol 2022; 12:927840. [PMID: 35873172 PMCID: PMC9304885 DOI: 10.3389/fcimb.2022.927840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/20/2022] [Indexed: 11/28/2022] Open
Abstract
Mycoplasma hyopneumoniae is a highly contagious pathogen causing porcine enzootic pneumonia, which elicits prolonged inflammatory response modulated by pattern recognition receptors (PRRs). Although significant advances have been achieved in understanding the Toll-Like receptors that recognize M. hyopneumoniae, the role of nucleotide-binding oligomerization domain 1 (NOD1) in M. hyopneumoniae infected cells remains poorly understood. This study revealed that M. hyopneumoniae activates the NOD1-RIP2 pathway and is co-localized with host NOD1 during infection. siRNA knockdown of NOD1 significantly impaired the TRIF and MYD88 pathway and blocked the activation of TNF-α. In contrast, NOD1 overexpression significantly suppressed M. hyopneumoniae proliferation. Furthermore, we for the first time investigated the interaction between M. hyopneumoniae mhp390 and NOD1 receptor, and the results suggested that mhp390 and NOD1 are possibly involved in the recognition of M. hyopneumoniae. These findings may improve our understanding of the interaction between PRRs and M. hyopneumoniae and the function of NOD1 in host defense against M. hyopneumoniae infection.
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Affiliation(s)
- Wei Liu
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Pengcheng Jiang
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
- Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Keli Yang
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Qiqi Song
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, China
| | - Fangyan Yuan
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Zewen Liu
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Ting Gao
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Danna Zhou
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Rui Guo
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Chang Li
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Pei Sun
- Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
- *Correspondence: Yongxiang Tian, ; Pei Sun,
| | - Yongxiang Tian
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China
- *Correspondence: Yongxiang Tian, ; Pei Sun,
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Zhang X, Li X, Yu Y, Zhang X, Wang X, Zhang N, Chen M, Gong P, Li J. Giardia lamblia
regulates the production of proinflammatory cytokines through activating the NOD2–Rip2–ROS signaling pathway in mouse macrophages. Immunol Cell Biol 2022; 100:440-452. [DOI: 10.1111/imcb.12550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 02/17/2022] [Accepted: 03/31/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Xu Zhang
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Xin Li
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Yanhui Yu
- The Second Hospital of Jilin University Changchun Jilin 130021 China
| | - Xichen Zhang
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Xiaocen Wang
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Nan Zhang
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Mengge Chen
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Pengtao Gong
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
| | - Jianhua Li
- Key Laboratory of Zoonosis Research Ministry of Education College of Veterinary Medicine Jilin University 5333 Xian Road Changchun Jilin 130062 China
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22
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Nucleotide-Binding Oligomerization Domain 1 (NOD1) Positively Regulates Neuroinflammation during Japanese Encephalitis Virus Infection. Microbiol Spectr 2022; 10:e0258321. [PMID: 35638852 PMCID: PMC9241932 DOI: 10.1128/spectrum.02583-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Japanese encephalitis virus (JEV) is a neurotropic flavivirus that invades the central nervous system and causes neuroinflammation and extensive neuronal cell death. Nucleotide-binding oligomerization domain 1 (NOD1) is a type of pattern recognition receptor that plays a regulatory role in both bacterial and nonbacterial infections. However, the role of NOD1 in JEV-induced neuroinflammation remains undisclosed. In this study, we evaluated the effect of NOD1 activation on the progression of JEV-induced neuroinflammation using a human astrocytic cell line and NOD1 knockout mice. The results showed that JEV infection upregulated the mRNA and protein expression of NOD1, ultimately leading to an enhanced neuroinflammatory response in vivo and in vitro. Inhibition of NOD1 in cultured cells or mice significantly abrogated the inflammatory response triggered by JEV infection. Moreover, compared to the wild-type mice, the NOD1 knockout mice showed resistance to JEV infection. Mechanistically, the NOD1-mediated neuroinflammatory response was found to be associated with increased expression or activation/phosphorylation of downstream receptor-interacting protein 2 (RIPK2), mitogen-activated protein kinase (MAPK), extracellular signal-regulated kinase (ERK), Jun N-terminal protein kinase (JNK), and NF-κB signaling molecules. Thus, NOD1 targeting could be a therapeutic approach to treat Japanese encephalitis. IMPORTANCE Neuroinflammation is the main pathological manifestation of Japanese encephalitis (JE) and the most important factor leading to morbidity and death in humans and animals infected by JEV. An in-depth understanding of the basic mechanisms of neuroinflammation will contribute to research on JE treatment. This study proved that JEV infection can activate the NOD1-RIPK2 signal cascade to induce neuroinflammation through the proven downstream MAPK, ERK, JNK, and NF-κB signal pathway. Thus, our study unveiled NOD1 as a potential target for therapeutic intervention for JE.
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Groeger S, Wu F, Wagenlehner F, Dansranjav T, Ruf S, Denter F, Meyle J. PD-L1 Up-Regulation in Prostate Cancer Cells by Porphyromonas gingivalis. Front Cell Infect Microbiol 2022; 12:935806. [PMID: 35846769 PMCID: PMC9277116 DOI: 10.3389/fcimb.2022.935806] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/30/2022] [Indexed: 12/24/2022] Open
Abstract
Chronic inflammation is known to contribute to various human cancers. Porphyromonas gingivalis (P. gingivalis), is a gram-negative oral keystone pathogen that may cause severe periodontitis and expresses several virulence factors to affect the host immune system. Periodontitis is a chronic infectious disease that while progression, may cause loss of attachment and destruction of the tooth supporting tissues. Prostate cancer is one of the most common malignancies in men. Increasing evidence links periodontitis with prostate cancer, however the mechanisms explaining this relationship remain unclear. The aim of this study was to investigate the expression and signaling pathway of programmed death ligand 1 (PD-L1) in a prostate cancer cell line after infection with P. gingivalis and stimulation with P. gingivalis components to reveal the mechanism of tumor-induced immune evasion associated with bacterial infection in the tumor environment. Prostate cancer cells were infected with different concentrations of viable P. gingivalis and treated with different concentrations of heat-killed P. gingivalis and P. gingivalis cell components, including the total membrane fraction, inner membrane fraction, outer membrane fraction, cytosolic fraction and peptidoglycan (PGN). Chemical inhibitors were used to block different important molecules of signaling pathways to assess the participating signal transduction mechanisms. PD-L1 expression was detected by Western blot after 24 h of infection. PD-L1 was demonstrated to be upregulated in prostate cancer cells after infection with viable and with heat-killed P. gingivalis membrane fractions. Also isolated PGN induced PD-L1 up-regulation. The upregulation was mediated by the NOD1/NOD2 signaling pathway. No upregulation could be detected after treatment of the cells with P. gingivalis lipopolysaccharide (LPS). These results indicate, that chronic inflammatory disease can contribute to tumor immune evasion by modifying the tumor microenvironment. Thus, chronic infection possibly plays an essential role in the immune response and may promote the development and progression of prostate cancer.
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Affiliation(s)
- Sabine Groeger
- Dept. of Periodontology, Justus-Liebig University, Giessen, Germany
- Dept. of Orthodontics, Justus-Liebig University, Giessen, Germany
- *Correspondence: Sabine Groeger,
| | - Fan Wu
- Dept. of Periodontology, Justus-Liebig University, Giessen, Germany
| | | | | | - Sabine Ruf
- Dept. of Orthodontics, Justus-Liebig University, Giessen, Germany
| | - Fabian Denter
- Dept. of Periodontology, Justus-Liebig University, Giessen, Germany
| | - Joerg Meyle
- Dept. of Periodontology, Justus-Liebig University, Giessen, Germany
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24
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Amara S, Yang LV, Tiriveedhi V, Muzaffar M. Complex Role of Microbiome in Pancreatic Tumorigenesis: Potential Therapeutic Implications. Cells 2022; 11:1900. [PMID: 35741028 PMCID: PMC9221309 DOI: 10.3390/cells11121900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/05/2022] [Accepted: 06/08/2022] [Indexed: 12/12/2022] Open
Abstract
Pancreatic cancer (PC) is the fourth leading cause of cancer-related mortality with limited diagnostic and therapeutic options. Although immunotherapy has shown promise in the treatment of several cancers, its role in pancreatic cancer is rather limited. Several studies have focused on determining the role of the tumor microenvironment with cancer-cell-intrinsic events and tumor-infiltrating immune cellular properties. However, in the past decade, there has been emerging research aimed at delineating the role of the host microbiome, including the metabolites from microbes and host responses, on pancreatic tumorigenesis. Importantly, there is emerging evidence suggesting the beneficial role of a gut microbiome transplant to improve immunotherapeutic outcomes in cancer patients. In this review, we summarize the recent understanding of the role of the microbiome in pancreatic cancer progression, along with its clinical diagnostic and therapeutic implications.
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Affiliation(s)
- Suneetha Amara
- Division of Hematology/Oncology, Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (L.V.Y.); (M.M.)
| | - Li V. Yang
- Division of Hematology/Oncology, Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (L.V.Y.); (M.M.)
| | - Venkataswarup Tiriveedhi
- Department of Biological Sciences, Tennessee State University, Nashville, TN 37209, USA;
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37212, USA
| | - Mahvish Muzaffar
- Division of Hematology/Oncology, Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, USA; (L.V.Y.); (M.M.)
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25
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Lapuente JP, Gómez G, Marco-Brualla J, Fernández P, Desportes P, Sanz J, García-Gil M, Bermejo F, San Martín JV, Algaba A, De Gregorio JC, Lapuente D, De Gregorio A, Lapuente B, Gómez S, Andrés MDLV, Anel A. Evaluation in a Cytokine Storm Model in Vivo of the Safety and Efficacy of Intravenous Administration of PRS CK STORM (Standardized Conditioned Medium Obtained by Coculture of Monocytes and Mesenchymal Stromal Cells). Biomedicines 2022; 10:biomedicines10051094. [PMID: 35625831 PMCID: PMC9138962 DOI: 10.3390/biomedicines10051094] [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: 04/04/2022] [Revised: 05/02/2022] [Accepted: 05/05/2022] [Indexed: 11/16/2022] Open
Abstract
Our research group has been developing a series of biological drugs produced by coculture techniques with M2-polarized macrophages with different primary tissue cells and/or mesenchymal stromal cells (MSC), generally from fat, to produce anti-inflammatory and anti-fibrotic effects, avoiding the overexpression of pro-inflammatory cytokines by the innate immune system at a given time. One of these products is the drug PRS CK STORM, a medium conditioned by allogenic M2-polarized macrophages, from coculture, with those macrophages M2 with MSC from fat, whose composition, in vitro safety, and efficacy we studied. In the present work, we publish the results obtained in terms of safety (pharmacodynamics and pharmacokinetics) and efficacy of the intravenous application of this biological drug in a murine model of cytokine storm associated with severe infectious processes, including those associated with COVID-19. The results demonstrate the safety and high efficacy of PRS CK STORM as an intravenous drug to prevent and treat the cytokine storm associated with infectious processes, including COVID-19.
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Affiliation(s)
- Juan Pedro Lapuente
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
- Correspondence: (J.P.L.); (A.A.)
| | - Gonzalo Gómez
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Joaquín Marco-Brualla
- Group Immunity, Cancer and Stem Cells, Faculty of Sciences, University of Zaragoza, 50009 Zaragoza, Spain;
| | - Pablo Fernández
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Paula Desportes
- GMP Facility, Peaches Biotech, 28050 Madrid, Spain; (P.D.); (J.S.)
| | - Jara Sanz
- GMP Facility, Peaches Biotech, 28050 Madrid, Spain; (P.D.); (J.S.)
| | | | - Fernando Bermejo
- Digestive Department, Fuenlabrada Hospital, 28942 Madrid, Spain;
- Medicine Department, University Rey Juan Carlos, 28942 Madrid, Spain
| | | | - Alicia Algaba
- Clinical Assay Department, Fuelabrada Hospital, 28942 Madrid, Spain;
| | - Juan Carlos De Gregorio
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Daniel Lapuente
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Almudena De Gregorio
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Belén Lapuente
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Sergio Gómez
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - María de las Viñas Andrés
- R4T Molecular and Cell Biology Research Laboratories, Fuenlabrada Hospital, 28942 Madrid, Spain; (G.G.); (P.F.); (J.C.D.G.); (D.L.); (A.D.G.); (B.L.); (S.G.); (M.d.l.V.A.)
| | - Alberto Anel
- Group Immunity, Cancer and Stem Cells, Faculty of Sciences, University of Zaragoza, 50009 Zaragoza, Spain;
- Correspondence: (J.P.L.); (A.A.)
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26
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Divella R, Gadaleta Caldarola G, Mazzocca A. Chronic Inflammation in Obesity and Cancer Cachexia. J Clin Med 2022; 11:2191. [PMID: 35456284 PMCID: PMC9027625 DOI: 10.3390/jcm11082191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 04/08/2022] [Accepted: 04/12/2022] [Indexed: 12/14/2022] Open
Abstract
Chronic inflammation has long been linked to obesity and related conditions such as type 2 diabetes and metabolic syndrome. According to current research, the increased risk of cancer in people with certain metabolic diseases may be due to chronic inflammation. Adipocytokines, which are pro-inflammatory cytokines secreted in excess, are elevated in many chronic metabolic diseases. Cytokines and inflammatory mediators, which are not directly linked to DNA, are important in tumorigenesis. Cachexia, a type of metabolic syndrome linked to the disease, is associated with a dysregulation of metabolic pathways. Obesity and cachexia have distinct metabolic characteristics, such as insulin resistance, increased lipolysis, elevated free fatty acids (FFA), and ceramide levels, which are discussed in this section. The goal of this research project is to create a framework for bringing together our knowledge of inflammation-mediated insulin resistance.
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Affiliation(s)
- Rosa Divella
- ASD Nordic Walking Apulia Lifestyle, Corso Giuseppe Di Vittorio 14, 70024 Gravina in Puglia, Italy
| | | | - Antonio Mazzocca
- Interdisciplinary Department of Medicine, University of Bari School of Medicine, Piazza G. Cesare, 11, 70124 Bari, Italy
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27
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Fernández-García V, González-Ramos S, Avendaño-Ortiz J, Martín-Sanz P, Delgado C, Castrillo A, Boscá L. NOD1 splenic activation confers ferroptosis protection and reduces macrophage recruitment under pro-atherogenic conditions. Biomed Pharmacother 2022; 148:112769. [PMID: 35247718 DOI: 10.1016/j.biopha.2022.112769] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/15/2022] [Accepted: 02/27/2022] [Indexed: 02/07/2023] Open
Abstract
The bioavailability and regulation of iron is essential for central biological functions in mammals. The role of this element in ferroptosis and the dysregulation of its metabolism contribute to diseases, ranging from anemia to infections, alterations in the immune system, inflammation and atherosclerosis. In this sense, monocytes and macrophages modulate iron metabolism and splenic function, while at the same time they can worsen the atherosclerotic process in pathological conditions. Since the nucleotide-binding oligomerization domain 1 (NOD1) has been linked to numerous disorders, including inflammatory and cardiovascular diseases, we investigated its role in iron homeostasis. The iron content was measured in various tissues of Apoe-/- and Apoe-/-Nod1-/- mice fed a high-fat diet (HFD) for 4 weeks, under normal or reduced splenic function after ligation of the splenic artery. In the absence of NOD1 the iron levels decreased in spleen, heart and liver regardless the splenic function. This iron decrease was accompanied by an increase in the recruitment of F4/80+-macrophages in the spleen through a CXCR2-dependent signaling, as deduced by the reduced recruitment after administration of a CXCR2 inhibitor. CXCR2 mediates monocyte/macrophage chemotaxis to areas of inflammation and accumulation of leukocytes in the atherosclerotic plaque. Moreover, in the absence of NOD1, inhibition of CXCR2 enhanced atheroma progression. NOD1 activation increased the levels of GPX4 and other iron and ferroptosis regulatory proteins in macrophages. Our findings highlight the preeminent role of NOD1 in iron homeostasis and ferroptosis. These results suggest promising avenues of investigation for the diagnosis and treatment of iron-related diseases directed by NOD1.
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Affiliation(s)
- Victoria Fernández-García
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Monforte de Lemos 3-5, Madrid 28029, Spain.
| | - Silvia González-Ramos
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain
| | - José Avendaño-Ortiz
- Instituto de Investigación Sanitaria del Hospital Universitario La Paz, IdiPAZ. Pedro Rico, 6, Madrid 28029, Spain
| | - Paloma Martín-Sanz
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain; Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Monforte de Lemos 3-5, Madrid 28029, Spain
| | - Carmen Delgado
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Monforte de Lemos 3-5, Madrid 28029, Spain
| | - Antonio Castrillo
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain; Unidad de Biomedicina (Unidad Asociada al CSIC), Instituto Universitario de Investigaciones Biomédicas y Sanitarias (IUIBS) de la Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain
| | - Lisardo Boscá
- Instituto de Investigaciones Biomédicas Alberto Sols (CSIC-UAM), Arturo Duperier 4, Madrid 28029, Spain; Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares (CIBERCV), Monforte de Lemos 3-5, Madrid 28029, Spain.
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28
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Cytokine Profile and Anti-Inflammatory Activity of a Standardized Conditioned Medium Obtained by Coculture of Monocytes and Mesenchymal Stromal Cells (PRS CK STORM). Biomolecules 2022; 12:biom12040534. [PMID: 35454123 PMCID: PMC9029939 DOI: 10.3390/biom12040534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/27/2022] [Accepted: 03/29/2022] [Indexed: 02/01/2023] Open
Abstract
Intercellular communication between monocytes/macrophages and cells involved in tissue regeneration, such as mesenchymal stromal cells (MSCs) and primary tissue cells, is essential for tissue regeneration and recovery of homeostasis. Typically, in the final phase of the inflammation-resolving process, this intercellular communication drives an anti-inflammatory immunomodulatory response. To obtain a safe and effective treatment to counteract the cytokine storm associated with a disproportionate immune response to severe infections, including that associated with COVID-19, by means of naturally balanced immunomodulation, our group has standardized the production under GMP-like conditions of a secretome by coculture of macrophages and MSCs. To characterize this proteome, we determined the expression of molecules related to cellular immune response and tissue regeneration, as well as its possible toxicity and anti-inflammatory potency. The results show a specific molecular pattern of interaction between the two cell types studied, with an anti-inflammatory and regenerative profile. In addition, the secretome is not toxic by itself on human PBMC or on THP-1 monocytes and prevents lipopolysaccharide (LPS)-induced growth effects on those cell types. Finally, PRS CK STORM prevents LPS-induced TNF-A and IL-1Β secretion from PBMC and from THP-1 cells at the same level as hydrocortisone, demonstrating its anti-inflammatory potency.
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29
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Guns J, Vanherle S, Hendriks JJA, Bogie JFJ. Protein Lipidation by Palmitate Controls Macrophage Function. Cells 2022; 11:cells11030565. [PMID: 35159374 PMCID: PMC8834383 DOI: 10.3390/cells11030565] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/03/2022] [Accepted: 02/04/2022] [Indexed: 01/27/2023] Open
Abstract
Macrophages are present in all tissues within our body, where they promote tissue homeostasis by responding to microenvironmental triggers, not only through clearance of pathogens and apoptotic cells but also via trophic, regulatory, and repair functions. To accomplish these divergent functions, tremendous dynamic fine-tuning of their physiology is needed. Emerging evidence indicates that S-palmitoylation, a reversible post-translational modification that involves the linkage of the saturated fatty acid palmitate to protein cysteine residues, directs many aspects of macrophage physiology in health and disease. By controlling protein activity, stability, trafficking, and protein–protein interactions, studies identified a key role of S-palmitoylation in endocytosis, inflammatory signaling, chemotaxis, and lysosomal function. Here, we provide an in-depth overview of the impact of S-palmitoylation on these cellular processes in macrophages in health and disease. Findings discussed in this review highlight the therapeutic potential of modulators of S-palmitoylation in immunopathologies, ranging from infectious and chronic inflammatory disorders to metabolic conditions.
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Affiliation(s)
- Jeroen Guns
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium; (J.G.); (S.V.); (J.J.A.H.)
- University MS Center, Hasselt University, 3500 Hasselt, Belgium
| | - Sam Vanherle
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium; (J.G.); (S.V.); (J.J.A.H.)
- University MS Center, Hasselt University, 3500 Hasselt, Belgium
| | - Jerome J. A. Hendriks
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium; (J.G.); (S.V.); (J.J.A.H.)
- University MS Center, Hasselt University, 3500 Hasselt, Belgium
| | - Jeroen F. J. Bogie
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, 3590 Diepenbeek, Belgium; (J.G.); (S.V.); (J.J.A.H.)
- University MS Center, Hasselt University, 3500 Hasselt, Belgium
- Correspondence: ; Tel.: +32-1126-9261
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30
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Increased Ingestion of Hydroxy-Methionine by Both Sows and Piglets Improves the Ability of the Progeny to Counteract LPS-Induced Hepatic and Splenic Injury with Potential Regulation of TLR4 and NOD Signaling. Antioxidants (Basel) 2022; 11:antiox11020321. [PMID: 35204204 PMCID: PMC8868084 DOI: 10.3390/antiox11020321] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/31/2022] [Accepted: 02/04/2022] [Indexed: 01/27/2023] Open
Abstract
Methionine, as an essential amino acid, play roles in antioxidant defense and the regulation of immune responses. This study was designed to determine the effects and mechanisms of increased consumption of methionine by sows and piglets on the capacity of the progeny to counteract lipopolysaccharide (LPS) challenge-induced injury in the liver and spleen of piglets. Primiparous sows (n = 10/diet) and their progeny were fed a diet that was adequate in sulfur amino acids (CON) or CON + 25% total sulfur amino acids as methionine from gestation day 85 to postnatal day 35. A total of ten male piglets were selected from each treatment and divided into 2 groups (n = 5/treatment) for a 2 × 2 factorial design [diets (CON, Methionine) and challenge (saline or LPS)] at 35 d old. After 24 h challenge, the piglets were euthanized to collect the liver and spleen for the histopathology, redox status, and gene expression analysis. The histopathological results showed that LPS challenge induced liver and spleen injury, while dietary methionine supplementation alleviated these damages that were induced by the LPS challenge. Furthermore, the LPS challenge also decreased the activities of GPX, SOD, and CAT and upregulated the mRNA and(or) protein expression of TLR4, MyD88, TRAF6, NOD1, NOD2, NF-kB, TNF-α, IL-8, p53, BCL2, and COX2 in the liver and (or) spleen. The alterations of GPX and SOD activities and the former nine genes were prevented or alleviated by the methionine supplementation. In conclusion, the maternal and neonatal dietary supplementation of methionine improved the ability of piglets to resist LPS challenge-induced liver and spleen injury, potentially through the increased antioxidant capacity and inhibition of TLR4 and NOD signaling pathway.
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31
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An overview on mastitis-associated Escherichia coli: Pathogenicity, host immunity and the use of alternative therapies. Microbiol Res 2021; 256:126960. [PMID: 35021119 DOI: 10.1016/j.micres.2021.126960] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/26/2021] [Accepted: 12/27/2021] [Indexed: 12/11/2022]
Abstract
Escherichia coli is one of the leading causes of bovine mastitis; it can cause sub-clinical, and clinical mastitis characterized by systemic changes, abnormal appearance of milk, and udder inflammation. E. coli pathogenicity in the bovine udder is due to the interaction between its virulence factors and the host factors; it was also linked to the presence of a new pathotype termed mammary pathogenic E. coli (MPEC). However, the presence of this pathotype is commonly debated. Its main virulence factor is the lipopolysaccharide (LPS) that is responsible for causing an endotoxic shock, and inducing a strong immune response by binding to the toll-like receptor 4 (TLR4), and stimulating the expression of chemokines (such as IL-8, and RANTES) and pro-inflammatory cytokines (such as IL-6, and IL-1β). This strong immune response could be used to develop alternative and safe approaches to control E. coli causing bovine mastitis by targeting pro-inflammatory cytokines that can damage the host tissue. The need for alternative treatments against E. coli is due to its ability to resist many conventional antibiotics, which is a huge challenge for curing ill animals. Therefore, the aim of this review was to highlight the pathogenicity of E. coli in the mammary gland, discuss the presence of the new putative pathotype, the mammary pathogenic E. coli (MPEC) pathotype, study the host's immune response, and the alternative treatments that are used against mastitis-associated E. coli.
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32
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Zhang XZ, Li FH, Wang XJ. Regulation of Tripartite Motif-Containing Proteins on Immune Response and Viral Evasion. Front Microbiol 2021; 12:794882. [PMID: 34925304 PMCID: PMC8671828 DOI: 10.3389/fmicb.2021.794882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/08/2021] [Indexed: 12/21/2022] Open
Abstract
Tripartite motif-containing proteins (TRIMs), exhibiting ubiquitin E3 ligase activity, are involved in regulation of not only autophagy and apoptosis but also pyrotosis and antiviral immune responses of host cells. TRIMs play important roles in modulating signaling pathways of antiviral immune responses via type I interferon, NF-κB, Janus kinase/signal transducer and activator of transcription (JAK/STAT), and Nrf2. However, viruses are able to antagonize TRIM activity or evenly utilize TRIMs for viral replication. This communication presents the current understanding of TRIMs exploited by viruses to evade host immune response.
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Affiliation(s)
- Xiu-Zhong Zhang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Fu-Huang Li
- Beijing General Station of Animal Husbandry Service (South Section), Beijing, China
| | - Xiao-Jia Wang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, China
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33
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Chauhan S, Jena KK, Mehto S, Chauhan NR, Sahu R, Dhar K, Yadav R, Krishna S, Jaiswal P, Chauhan S. Innate immunity and inflammophagy: balancing the defence and immune homeostasis. FEBS J 2021; 289:4112-4131. [PMID: 34826185 DOI: 10.1111/febs.16298] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/27/2021] [Accepted: 11/25/2021] [Indexed: 12/15/2022]
Abstract
Extensive crosstalk exists between autophagy and innate immune signalling pathways. The stimuli that induce pattern recognition receptor (PRR)-mediated innate immune signalling pathways, also upregulate autophagy. The purpose of this increased autophagy is to eliminate the stimuli and/or suppress the inflammatory pathways by targeted degradation of PRRs or intermediary proteins (termed 'inflammophagy'). By executing these functions, autophagy dampens excess inflammation triggered by the innate immune signalling pathways. Thus, autophagy helps in the maintenance of the body's innate immune homeostasis to protect from inflammatory and autoimmune diseases. Many autophagy-dependent mechanisms that could control innate immune signalling have been studied over the last few years. However, still, the understanding is incomplete, and studies that are more systematic should be undertaken to delineate the mechanisms of inflammophagy. Here, we discuss the available knowledge of crosstalk between autophagy and PRR signalling pathways.
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Affiliation(s)
- Swati Chauhan
- Epigenetic and Chromatin Biology Unit, Institute of Life Sciences, Bhubaneswar, India
| | - Kautilya Kumar Jena
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Subhash Mehto
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Nishant Ranjan Chauhan
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Rinku Sahu
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Kollori Dhar
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Rina Yadav
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Sivaram Krishna
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Pundrik Jaiswal
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Santosh Chauhan
- Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, Odisha, India.,Cell and Cancer Biology Lab, Institute of Life Sciences, Bhubaneswar, Odisha, India
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34
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Sireci G, Badami GD, Di Liberto D, Blanda V, Grippi F, Di Paola L, Guercio A, de la Fuente J, Torina A. Recent Advances on the Innate Immune Response to Coxiella burnetii. Front Cell Infect Microbiol 2021; 11:754455. [PMID: 34796128 PMCID: PMC8593175 DOI: 10.3389/fcimb.2021.754455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/12/2021] [Indexed: 12/14/2022] Open
Abstract
Coxiella burnetii is an obligate intracellular Gram-negative bacterium and the causative agent of a worldwide zoonosis known as Q fever. The pathogen invades monocytes and macrophages, replicating within acidic phagolysosomes and evading host defenses through different immune evasion strategies that are mainly associated with the structure of its lipopolysaccharide. The main transmission routes are aerosols and ingestion of fomites from infected animals. The innate immune system provides the first host defense against the microorganism, and it is crucial to direct the infection towards a self-limiting respiratory disease or the chronic form. This review reports the advances in understanding the mechanisms of innate immunity acting during C. burnetii infection and the strategies that pathogen put in place to infect the host cells and to modify the expression of specific host cell genes in order to subvert cellular processes. The mechanisms through which different cell types with different genetic backgrounds are differently susceptible to C. burnetii intracellular growth are discussed. The subsets of cytokines induced following C. burnetii infection as well as the pathogen influence on an inflammasome-mediated response are also described. Finally, we discuss the use of animal experimental systems for studying the innate immune response against C. burnetii and discovering novel methods for prevention and treatment of disease in humans and livestock.
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Affiliation(s)
- Guido Sireci
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Giusto Davide Badami
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Diana Di Liberto
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Valeria Blanda
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Francesca Grippi
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Laura Di Paola
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Annalisa Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - José de la Fuente
- SaBio Health and Biotechnology, Instituto de Investigación en Recursos Cinegéticos, IREC -Spanish National Research Council CSIC - University of Castilla-La Mancha UCLM - Regional Government of Castilla-La Mancha JCCM, Ciudad Real, Spain.,Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, United States
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35
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Takayanagi S, Watanabe K, Maruyama T, Ogawa M, Morishita K, Soga M, Hatta T, Natsume T, Hirano T, Kagechika H, Hattori K, Naguro I, Ichijo H. ASKA technology-based pull-down method reveals a suppressive effect of ASK1 on the inflammatory NOD-RIPK2 pathway in brown adipocytes. Sci Rep 2021; 11:22009. [PMID: 34759307 PMCID: PMC8581049 DOI: 10.1038/s41598-021-01123-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 10/22/2021] [Indexed: 11/13/2022] Open
Abstract
Recent studies have shown that adipose tissue is an immunological organ. While inflammation in energy-storing white adipose tissues has been the focus of intense research, the regulatory mechanisms of inflammation in heat-producing brown adipose tissues remain largely unknown. We previously identified apoptosis signal-regulating kinase 1 (ASK1) as a critical regulator of brown adipocyte maturation; the PKA-ASK1-p38 axis facilitates uncoupling protein 1 (UCP1) induction cell-autonomously. Here, we show that ASK1 suppresses an innate immune pathway and contributes to maintenance of brown adipocytes. We report a novel chemical pull-down method for endogenous kinases using analog sensitive kinase allele (ASKA) technology and identify an ASK1 interactor in brown adipocytes, receptor-interacting serine/threonine-protein kinase 2 (RIPK2). ASK1 disrupts the RIPK2 signaling complex and inhibits the NOD-RIPK2 pathway to downregulate the production of inflammatory cytokines. As a potential biological significance, an in vitro model for intercellular regulation suggests that ASK1 facilitates the expression of UCP1 through the suppression of inflammatory cytokine production. In parallel to our previous report on the PKA-ASK1-p38 axis, our work raises the possibility of an auxiliary role of ASK1 in brown adipocyte maintenance through neutralizing the thermogenesis-suppressive effect of the NOD-RIPK2 pathway.
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Affiliation(s)
- Saki Takayanagi
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Kengo Watanabe
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
| | - Takeshi Maruyama
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Motoyuki Ogawa
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Kazuhiro Morishita
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Mayumi Soga
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Tomohisa Hatta
- grid.208504.b0000 0001 2230 7538Molecular Profiling Research Center for Drug Discovery, The National Institute of Advanced Industrial Science and Technology, 2-4-7 Aomi, Koto-ku, Tokyo, 135-0064 Japan
| | - Tohru Natsume
- grid.208504.b0000 0001 2230 7538Cellular and Molecular Biotechnology Research Institute, The National Institute of Advanced Industrial Science and Technology, 2-4-7 Aomi, Koto-ku, Tokyo, 135-0064 Japan
| | - Tomoya Hirano
- grid.265073.50000 0001 1014 9130Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kandasurugadai, Chiyoda-ku, Tokyo, 101-0062 Japan ,Present Address: Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094 Japan
| | - Hiroyuki Kagechika
- grid.265073.50000 0001 1014 9130Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kandasurugadai, Chiyoda-ku, Tokyo, 101-0062 Japan
| | - Kazuki Hattori
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Isao Naguro
- grid.26999.3d0000 0001 2151 536XLaboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Hidenori Ichijo
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
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Liang S, Wang MS, Zhang B, Feng Y, Tang J, Xie M, Huang W, Zhang Q, Zhang D, Hou S. NOD1 Is Associated With the Susceptibility of Pekin Duck Flock to Duck Hepatitis A Virus Genotype 3. Front Immunol 2021; 12:766740. [PMID: 34745142 PMCID: PMC8563994 DOI: 10.3389/fimmu.2021.766740] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/04/2021] [Indexed: 11/29/2022] Open
Abstract
Duck viral hepatitis (DVH) is an acute, highly lethal infectious disease of ducklings that causes huge losses in the duck industry. Duck hepatitis A virus genotype 3 (DHAV-3) has been one of the most prevalent DVH pathogen in the Asian duck industry in recent years. Here, we investigated the genetic basis of the resistance and susceptibility of ducks to DVH by comparing the genomes and transcriptomes of a resistant Pekin duck flock (Z8) and a susceptible Pekin duck flock (SZ7). Our comparative genomic and transcriptomic analyses suggested that NOD1 showed a strong signal of association with DVH susceptibility in ducks. Then, we found that NOD1 showed a significant expression difference between the livers of susceptible and resistant individuals after infection with DHAV-3, with higher expression in the SZ7 flock. Furthermore, suppression and overexpression experiments showed that the number of DHAV-3 genomic copies in primary duck hepatocytes was influenced by the expression level of NOD1. In addition, in situ RNAscope analysis showed that the localization of NOD1 and DHAV-3 in liver cells was consistent. Altogether, our data suggested that NOD1 was likely associated with DHAV-3 susceptibility in ducks, which provides a target for future investigations of the pathogenesis of DVH.
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Affiliation(s)
- Suyun Liang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.,Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Ming-Shan Wang
- Howard Hughes Medical Institute, University of California Santa Cruz, Santa Cruz, CA, United States
| | - Bo Zhang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yulong Feng
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jing Tang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Ming Xie
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Wei Huang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qi Zhang
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Dabing Zhang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Shuisheng Hou
- Key Laboratory of Animal (Poultry) Genetics Breeding and Reproduction, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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Trouvé P, Férec C, Génin E. The Interplay between the Unfolded Protein Response, Inflammation and Infection in Cystic Fibrosis. Cells 2021; 10:2980. [PMID: 34831204 PMCID: PMC8616505 DOI: 10.3390/cells10112980] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/25/2021] [Accepted: 10/29/2021] [Indexed: 12/15/2022] Open
Abstract
In cystic fibrosis (CF), p.Phe508del is the most frequent mutation in the Cystic Fibrosis Transmembrane conductance Regulator (CFTR) gene. The p.Phe508del-CFTR protein is retained in the ER and rapidly degraded. This retention likely triggers an atypical Unfolded Protein Response (UPR) involving ATF6, which reduces the expression of p.Phe508del-CFTR. There are still some debates on the role of the UPR in CF: could it be triggered by the accumulation of misfolded CFTR proteins in the endoplasmic reticulum as was proposed for the most common CFTR mutation p.Phe508del? Or, is it the consequence of inflammation and infection that occur in the disease? In this review, we summarize recent findings on UPR in CF and show how infection, inflammation and UPR act together in CF. We propose to rethink their respective role in CF and to consider them as a whole.
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Affiliation(s)
- Pascal Trouvé
- Inserm, Univ Brest, EFS, UMR 1078, GGB, F-29200 Brest, France; (C.F.); (E.G.)
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Ahn JH, Park JY, Kim DY, Lee TS, Jung DH, Kim YJ, Lee YJ, Lee YJ, Seo IS, Song EJ, Jang AR, Yang SJ, Shin SJ, Park JH. Type I Interferons Are Involved in the Intracellular Growth Control of Mycobacterium abscessus by Mediating NOD2-Induced Production of Nitric Oxide in Macrophages. Front Immunol 2021; 12:738070. [PMID: 34777348 PMCID: PMC8581665 DOI: 10.3389/fimmu.2021.738070] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/30/2021] [Indexed: 12/20/2022] Open
Abstract
Mycobacterium abscessus (MAB) is one of the rapidly growing, multidrug-resistant non-tuberculous mycobacteria (NTM) causing various diseases including pulmonary disorder. Although it has been known that type I interferons (IFNs) contribute to host defense against bacterial infections, the role of type I IFNs against MAB infection is still unclear. In the present study, we show that rIFN-β treatment reduced the intracellular growth of MAB in macrophages. Deficiency of IFN-α/β receptor (IFNAR) led to the reduction of nitric oxide (NO) production in MAB-infected macrophages. Consistently, rIFN-β treatment enhanced the expression of iNOS gene and protein, and NO production in response to MAB. We also found that NO is essential for the intracellular growth control of MAB within macrophages in an inhibitor assay using iNOS-deficient cells. In addition, pretreatment of rIFN-β before MAB infection in mice increased production of NO in the lungs at day 1 after infection and promoted the bacterial clearance at day 5. However, when alveolar macrophages were depleted by treatment of clodronate liposome, rIFN-β did not promote the bacterial clearance in the lungs. Moreover, we found that a cytosolic receptor nucleotide-binding oligomerization domain 2 (NOD2) is required for MAB-induced TANK binding kinase 1 (TBK1) phosphorylation and IFN-β gene expression in macrophages. Finally, increase in the bacterial loads caused by reduction of NO levels was reversed by rIFN-β treatment in the lungs of NOD2-deficient mice. Collectively, our findings suggest that type I IFNs act as an intermediator of NOD2-induced NO production in macrophages and thus contribute to host defense against MAB infection.
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MESH Headings
- Animals
- Cells, Cultured
- Disease Models, Animal
- Female
- Host-Pathogen Interactions
- Interferon Type I/metabolism
- Lung/immunology
- Lung/metabolism
- Lung/microbiology
- Macrophages, Alveolar/immunology
- Macrophages, Alveolar/metabolism
- Macrophages, Alveolar/microbiology
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Mycobacterium Infections, Nontuberculous/immunology
- Mycobacterium Infections, Nontuberculous/metabolism
- Mycobacterium Infections, Nontuberculous/microbiology
- Mycobacterium abscessus/growth & development
- Mycobacterium abscessus/immunology
- Mycobacterium abscessus/metabolism
- Nitric Oxide/metabolism
- Nitric Oxide Synthase Type II/genetics
- Nitric Oxide Synthase Type II/metabolism
- Nod2 Signaling Adaptor Protein/genetics
- Nod2 Signaling Adaptor Protein/metabolism
- Receptor, Interferon alpha-beta/genetics
- Receptor, Interferon alpha-beta/metabolism
- Signal Transduction
- Mice
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Affiliation(s)
- Jae-Hun Ahn
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Ji-Yeon Park
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Dong-Yeon Kim
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Tae-Sung Lee
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Do-Hyeon Jung
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Yeong-Jun Kim
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Yeon-Ji Lee
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Yun-Ji Lee
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - In-Su Seo
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Eun-Jung Song
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Ah-Ra Jang
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
| | - Soo-Jin Yang
- Department of Veterinary Microbiology, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, South Korea
| | - Sung Jae Shin
- Department of Microbiology, Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea
| | - Jong-Hwan Park
- Laboratory Animal Medicine, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju, South Korea
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Han G, Li M, Du J, Chen Y, Xu C. Nucleotide-Oligomerizing Domain-1 Activation Exaggerates Cigarette Smoke-Induced Chronic Obstructive Pulmonary-Like Disease in Mice. Int J Chron Obstruct Pulmon Dis 2021; 16:2605-2615. [PMID: 34556981 PMCID: PMC8453445 DOI: 10.2147/copd.s323616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/16/2021] [Indexed: 12/28/2022] Open
Abstract
Introduction Chronic obstructive pulmonary disease (COPD) is a progressive condition related to abnormal inflammatory responses. As an inflammatory driver, nucleotide-binding oligomerizing domain-1 (NOD1) is highly expressed in pulmonary inflammatory cells; however, the roles of NOD1 in COPD are unknown. Methods A COPD mouse model was established by lipopolysaccharides tracheal instillation plus cigarette smoke (CS) exposure. NOD1 activation was induced by C12-iE-DAP (iE) treatment in both control and COPD mice. Inflammatory infiltration, pulmonary histological damage and gene expression were measured to evaluate the lung function of treated mice. Results The results showed that NOD1 was up-regulated in COPD mice, which significantly exaggerated CS-induced impairment of lung function, demonstrated by increased airway resistance, functional residual capacity and pulmonary damages. Mechanistically, NOD1 activation strongly activated the TLR4/NF-κB signaling pathway and then increased inflammatory responses and promoted the secretion of inflammatory cytokines. Discussion This study demonstrates that NOD1 is an important risk factor in the progression of COPD; therefore, targeting NOD1 in lung tissues is a potential strategy for COPD treatment.
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Affiliation(s)
- Guangchao Han
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Min Li
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Junfeng Du
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Yang Chen
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Chen Xu
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
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40
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Planas A. Peptidoglycan Deacetylases in Bacterial Cell Wall Remodeling and Pathogenesis. Curr Med Chem 2021; 29:1293-1312. [PMID: 34525907 DOI: 10.2174/0929867328666210915113723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/24/2021] [Accepted: 07/26/2021] [Indexed: 11/22/2022]
Abstract
The bacterial cell wall peptidoglycan (PG) is a dynamic structure that is constantly synthesized, re-modeled and degraded during bacterial division and growth. Post-synthetic modifications modulate the action of endogenous autolysis during PG lysis and remodeling for growth and sporulation, but also they are a mechanism used by pathogenic bacteria to evade the host innate immune system. Modifica-tions of the glycan backbone are limited to the C-2 amine and the C-6 hydroxyl moieties of either Glc-NAc or MurNAc residues. This paper reviews the functional roles and properties of peptidoglycan de-N-acetylases (distinct PG GlcNAc and MurNAc deacetylases) and recent progress through genetic stud-ies and biochemical characterization to elucidate their mechanism of action, 3D structures, substrate specificities and biological functions. Since they are virulence factors in pathogenic bacteria, peptidogly-can deacetylases are potential targets for the design of novel antimicrobial agents.
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Affiliation(s)
- Antoni Planas
- Laboratory of Biochemistry, Institut Químic de Sarrià. University Ramon Llull, 08017 Barcelona. Spain
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41
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Riazi-Rad F, Behrouzi A, Mazaheri H, Katebi A, Ajdary S. Impact of gut microbiota on immune system. Acta Microbiol Immunol Hung 2021. [PMID: 34375301 DOI: 10.1556/030.2021.01532] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 07/24/2021] [Indexed: 12/19/2022]
Abstract
The commensal microflora collection known as microbiota has an essential role in maintaining the host's physiological homeostasis. The microbiota has a vital role in induction and regulation of local and systemic immune responses. On the other hand, the immune system involves maintaining microbiota compositions. Optimal microbiota-immune system cross-talk is essential for protective responses to pathogens and immune tolerance to self and harmless environmental antigens. Any change in this symbiotic relationship may cause susceptibility to diseases. The association of various cancers and auto-immune diseases with microbiota has been proven. Here we review the interaction of immune responses to gut microbiota, focusing on innate and adaptive immune system and disease susceptibility.
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Affiliation(s)
- Farhad Riazi-Rad
- 1Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Ava Behrouzi
- 2Department of Microbiology, Faculty of Advanced Science and Technology, Tehran Medical Science, Islamic Azad University, Tehran, Iran
- 3Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
| | - Hoora Mazaheri
- 4Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Asal Katebi
- 1Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Soheila Ajdary
- 1Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
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Inborn Errors in the LRR Domain of Nod2 and Their Potential Consequences on the Function of the Receptor. Cells 2021; 10:cells10082031. [PMID: 34440800 PMCID: PMC8392326 DOI: 10.3390/cells10082031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 11/24/2022] Open
Abstract
The innate immune system plays a critical role in the early detection of pathogens, primarily by relying on pattern-recognition receptor (PRR) signaling molecules. Nucleotide-binding oligomerization domain 2 (NOD2) is a cytoplasmic receptor that recognizes invading molecules and danger signals inside the cells. Recent studies highlight the importance of NOD2′s function in maintaining the homeostasis of human body microbiota and innate immune responses, including induction of proinflammatory cytokines, regulation of autophagy, modulation of endoplasmic reticulum (ER) stress, etc. In addition, there is extensive cross-talk between NOD2 and the Toll-like receptors that are so important in the induction and tuning of adaptive immunity. Polymorphisms of NOD2′s encoding gene are associated with several pathological conditions, highlighting NOD2′s functional importance. In this study, we summarize NOD2′s role in cellular signaling pathways and take a look at the possible consequences of common NOD2 polymorphisms on the structure and function of this receptor.
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Wang Y, Miao Z, Qin X, Li B, Han Y. NOD2 deficiency confers a pro-tumorigenic macrophage phenotype to promote lung adenocarcinoma progression. J Cell Mol Med 2021; 25:7545-7558. [PMID: 34268854 PMCID: PMC8335701 DOI: 10.1111/jcmm.16790] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 06/23/2021] [Accepted: 07/02/2021] [Indexed: 12/14/2022] Open
Abstract
Nucleotide‐binding and oligomerization domain‐containing protein 2 (NOD2) was a member of the NOD‐like receptor family and played an important role in the innate immune response. Dysregulated NOD2 had been reported to contribute to tumorigenesis and progression. Here, we investigated that decreased NOD2 expressions could affect the phenotypic polarization of tumour‐associated macrophages and thus lead to the poor prognosis of lung adenocarcinoma patients. We clustered the patients by the single‐sample gene set enrichment analysis of tumour microenvironment and 13 prognostic differentially expressed immune‐related genes (PDEIRGs) were obtained based on prognostic analyses. After multiple assessments on the 13 PDEIRGs, NOD2 was considered to be the central immune gene and had a strong effect on suppressing tumour progression. Decreased NOD2 expression could be induced by cancer cells and lead to the phenotypic polarization of macrophages from protective M1 phenotype to pro‐tumorigenic M2 subtype which might be attributed to the down‐regulating of NF‐κB signalling pathway. This study draw attention to the role of inhibited innate immune function mediated by depletion of NOD2 in the TME. Our work also points to a potential strategy of NOD2‐mediated TAM‐targeted immunotherapy.
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Affiliation(s)
- Yibei Wang
- Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang, China.,Department of Developmental Cell Biology, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
| | - Ziwei Miao
- Department of Developmental Cell Biology, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
| | - Xiaoxue Qin
- Department of Developmental Cell Biology, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
| | - Bo Li
- Department of Developmental Cell Biology, Key Laboratory of Medical Cell Biology, Ministry of Education, China Medical University, Shenyang, China
| | - Yun Han
- Department of Thoracic Surgery, Shengjing Hospital of China Medical University, Shenyang, China
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The Host Cellular Immune Response to Infection by Campylobacter Spp. and Its Role in Disease. Infect Immun 2021; 89:e0011621. [PMID: 34031129 DOI: 10.1128/iai.00116-21] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Campylobacter spp. are the leading cause of bacterium-derived gastroenteritis worldwide, impacting 96 million individuals annually. Unlike other bacterial pathogens of the gastrointestinal tract, Campylobacter spp. lack many of the classical virulence factors that are often associated with the ability to induce disease in humans, including an array of canonical secretion systems and toxins. Consequently, the clinical manifestations of human campylobacteriosis and its resulting gastrointestinal pathology are believed to be primarily due to the host immune response toward the bacterium. Further, while gastrointestinal infection is usually self-limiting, numerous postinfectious disorders can occur, including the development of Guillain-Barré syndrome, reactive arthritis, and irritable bowel syndrome. Because gastrointestinal disease likely results from the host immune response, the development of these postinfectious disorders may be due to dysregulation or misdirection of the same inflammatory response. As a result, it is becoming increasingly important to the Campylobacter field, and human health, that the cellular immune responses toward Campylobacter be better understood, including which immunological events are critical to the development of disease and the postinfectious disorders mentioned above. In this review, we collectively cover the cellular immune responses across susceptible hosts to Campylobacter jejuni infection, along with the tissue pathology and postinfectious disorders which may develop.
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45
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Li Y, Jin L, Xia P, Sui W, Huang A, Bu G, Meng F, Kong F, Cao X, Han X, Yu G, Pan X, Yang S, Zheng C, Zeng X, Du X. Identification and functional analysis of NOD2 and its two splicing variants associated with a novel pattern of signal regulation in teleost fishes. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 120:104049. [PMID: 33609614 DOI: 10.1016/j.dci.2021.104049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 02/14/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
The nucleotide-binding oligomerization domain 2 (NOD2) has been identified as an important sensor for microorganic invasion in both mammals and teleost fishes. In this study, two splicing variants of NOD2 (NOD2-v1 and NOD2-v2) were identified as truncating the functional domains of wild-type NOD2 in the teleost fish Schizothorax prenanti. NOD2-v1 included an intron sequence that terminated within the third leucine-rich repeat (LRR) domain, while NOD2-v2 incorporated an insertion of one and half intron sequences and truncated within the second caspase activation and recruitment domain (CARD). NOD2, NOD2-v1 and NOD2-v2 genes were ubiquitously expressed. All three genes positively responded to exposure of Aeromonas hydrophila and lipopolysaccharide stimulation in varying degrees. Using luciferase activity assays in HEK293T cells, our results revealed that NOD2 activated the NF-κB signal and recognized muramyl dipeptide (MDP). NOD2-v1 exhibited deficiency in the LRR domains and could not sense MDP, but maintained the ability to activate NF-κB and enhanced NOD2-mediated MDP recognition. Given the significant change to the functional structure, NOD2-v2 lost its capacity for NF-κB activation, but interestingly repressed NOD2-mediated MDP sensing and NF-κB activation, and even NOD2-v1-induced NF-κB activation. Altogether, our study reveals a novel pattern of signal regulation by splicing variants in teleost fishes.
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Affiliation(s)
- Yunkun Li
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - La Jin
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Puzhen Xia
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Weikai Sui
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Anqi Huang
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Guixian Bu
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Fengyan Meng
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Fanli Kong
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Xiaohan Cao
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Xingfa Han
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Guozhi Yu
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China
| | - Xiaofu Pan
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, PR China
| | - Shiyong Yang
- Department of Aquaculture, Sichuan Agricultural University, 625014, Sichuan, PR China
| | - Chongquan Zheng
- Yunnan Water Conservancy and Hydropower Investment Niulan River to Dianchi Lake Water Diversion Project Co.,Ltd, Kunming, 650051, PR China
| | - Xianyin Zeng
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China.
| | - Xiaogang Du
- Department of Engineering and Applied Biology, College of Life Science, Sichuan Agricultural University, Ya'an, 625014, Sichuan, PR China.
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46
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Duxbury Z, Wu CH, Ding P. A Comparative Overview of the Intracellular Guardians of Plants and Animals: NLRs in Innate Immunity and Beyond. ANNUAL REVIEW OF PLANT BIOLOGY 2021; 72:155-184. [PMID: 33689400 DOI: 10.1146/annurev-arplant-080620-104948] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nucleotide-binding domain leucine-rich repeat receptors (NLRs) play important roles in the innate immune systems of both plants and animals. Recent breakthroughs in NLR biochemistry and biophysics have revolutionized our understanding of how NLR proteins function in plant immunity. In this review, we summarize the latest findings in plant NLR biology and draw direct comparisons to NLRs of animals. We discuss different mechanisms by which NLRs recognize their ligands in plants and animals. The discovery of plant NLR resistosomes that assemble in a comparable way to animal inflammasomes reinforces the striking similarities between the formation of plant and animal NLR complexes. Furthermore, we discuss the mechanisms by which plant NLRs mediate immune responses and draw comparisons to similar mechanisms identified in animals. Finally, we summarize the current knowledge of the complex genetic architecture formed by NLRs in plants and animals and the roles of NLRs beyond pathogen detection.
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Affiliation(s)
- Zane Duxbury
- Jealott's Hill International Research Centre, Syngenta, Bracknell RG42 6EY, United Kingdom;
| | - Chih-Hang Wu
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan;
| | - Pingtao Ding
- The Sainsbury Laboratory, University of East Anglia, Norwich NR4 7UH, United Kingdom
- Current affiliation: Institute of Biology Leiden, Leiden University, Leiden 2333 BE, The Netherlands;
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47
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Monogenic Autoinflammatory Diseases: State of the Art and Future Perspectives. Int J Mol Sci 2021; 22:ijms22126360. [PMID: 34198614 PMCID: PMC8232320 DOI: 10.3390/ijms22126360] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/10/2021] [Accepted: 06/11/2021] [Indexed: 12/18/2022] Open
Abstract
Systemic autoinflammatory diseases are a heterogeneous family of disorders characterized by a dysregulation of the innate immune system, in which sterile inflammation primarily develops through antigen-independent hyperactivation of immune pathways. In most cases, they have a strong genetic background, with mutations in single genes involved in inflammation. Therefore, they can derive from different pathogenic mechanisms at any level, such as dysregulated inflammasome-mediated production of cytokines, intracellular stress, defective regulatory pathways, altered protein folding, enhanced NF-kappaB signalling, ubiquitination disorders, interferon pathway upregulation and complement activation. Since the discover of pathogenic mutations of the pyrin-encoding gene MEFV in Familial Mediterranean Fever, more than 50 monogenic autoinflammatory diseases have been discovered thanks to the advances in genetic sequencing: the advent of new genetic analysis techniques and the discovery of genes involved in autoinflammatory diseases have allowed a better understanding of the underlying innate immunologic pathways and pathogenetic mechanisms, thus opening new perspectives in targeted therapies. Moreover, this field of research has become of great interest, since more than a hundred clinical trials for autoinflammatory diseases are currently active or recently concluded, allowing us to hope for considerable acquisitions for the next few years. General paediatricians need to be aware of the importance of this group of diseases and they should consider autoinflammatory diseases in patients with clinical hallmarks, in order to guide further examinations and refer the patient to a specialist rheumatologist. Here we resume the pathogenesis, clinical aspects and diagnosis of the most important autoinflammatory diseases in children.
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48
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Bode SFN, Rohr J, Müller Quernheim J, Seidl M, Speckmann C, Heinzmann A. Pulmonary granulomatosis of genetic origin. Eur Respir Rev 2021; 30:30/160/200152. [PMID: 33927005 PMCID: PMC9488645 DOI: 10.1183/16000617.0152-2020] [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: 05/19/2020] [Accepted: 08/27/2020] [Indexed: 11/30/2022] Open
Abstract
Granulomatous inflammation of the lung can be a manifestation of different conditions and can be caused by endogenous inflammation or external triggers. A multitude of different genetic mutations can either predispose patients to infections with granuloma-forming pathogens or cause autoinflammatory disorders, both leading to the phenotype of pulmonary granulomatosis. Based on a detailed patient history, physical examination and a diagnostic approach including laboratory workup, pulmonary function tests (PFTs), computed tomography (CT) scans, bronchoscopy with bronchoalveolar lavage (BAL), lung biopsies and specialised microbiological and immunological diagnostics, a correct diagnosis of an underlying cause of pulmonary granulomatosis of genetic origin can be made and appropriate therapy can be initiated. Depending on the underlying disorder, treatment approaches can include antimicrobial therapy, immunosuppression and even haematopoietic stem cell transplantation (HSCT). Patients with immunodeficiencies and autoinflammatory conditions are at the highest risk of developing pulmonary granulomatosis of genetic origin. Here we provide a review on these disorders and discuss pathogenesis, clinical presentation, diagnostic approach and treatment. Pulmonary granulomatosis of genetic origin mostly occurs in immunodeficiency disorders and autoinflammatory conditions. In addition to specific approaches in this regard, the diagnostic workup needs to cover environmental and occupational aspects.https://bit.ly/31SqdHW
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Affiliation(s)
- Sebastian F N Bode
- Dept of General Paediatrics, Adolescent Medicine and Neonatology, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jan Rohr
- Dept of General Paediatrics, Adolescent Medicine and Neonatology, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Joachim Müller Quernheim
- Dept of Pneumology, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maximilan Seidl
- Institute for Surgical Pathology, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Institute of Pathology, Heinrich-Heine University and University Hospital Düsseldorf, Düsseldorf, Germany
| | - Carsten Speckmann
- Centre for Paediatrics and Adolescent Medicine, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Institute for Immunodeficiency, Centre for Chronic Immunodeficiency (CCI), Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Andrea Heinzmann
- Dept of General Paediatrics, Adolescent Medicine and Neonatology, Medical Centre - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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49
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Duan Y, Song B, Zheng C, Zhong Y, Guo Q, Zheng J, Yin Y, Li J, Li F. Dietary Beta-Hydroxy Beta-Methyl Butyrate Supplementation Alleviates Liver Injury in Lipopolysaccharide-Challenged Piglets. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5546843. [PMID: 33868570 PMCID: PMC8035022 DOI: 10.1155/2021/5546843] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 03/06/2021] [Accepted: 03/22/2021] [Indexed: 11/18/2022]
Abstract
The current study was performed to investigate whether dietary β-hydroxy-β-methylbutyrate (HMB) could regulate liver injury in a lipopolysaccharide- (LPS-) challenged piglet model and to determine the mechanisms involved. Thirty piglets (21 ± 2 days old, 5.86 ± 0.18 kg body weight) were randomly divided into the control (a basal diet, saline injection), LPS (a basal diet), or LPS+HMB (a basal diet + 0.60% HMB-Ca) group. After 15 d of treatment with LPS and/or HMB, blood and liver samples were obtained. The results showed that in LPS-injected piglets, HMB supplementation ameliorated liver histomorphological abnormalities induced by LPS challenge. Compared to the control group, the activities of serum aspartate aminotransferase and alkaline phosphatase were increased in the LPS-injected piglets (P < 0.05). The LPS challenge also downregulated the mRNA expression of L-PFK, ACO, L-CPT-1, ICDH β, and AMPKα1/2 and upregulated the mRNA expression of PCNA, caspase 3, TNF-α, TLR4, MyD88, NOD1, and NF-κB p65 (P < 0.05). However, these adverse effects of the LPS challenge were reversed by HMB supplementation (P < 0.05). These results indicate that HMB may exert protective effects against LPS-induced liver injury, and the underlying mechanisms might involve the improvement of hepatic energy metabolism via regulating AMPK signaling pathway and the reduction of liver inflammation via modulating TLR4 and NOD signaling pathways.
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Affiliation(s)
- Yehui Duan
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
| | - Bo Song
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Changbing Zheng
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
| | - Yinzhao Zhong
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
| | - Qiuping Guo
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
| | - Jie Zheng
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Yulong Yin
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
- Animal Nutritional Genome and Germplasm Innovation Research Center, College of Animal Science and Technology, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Jianjun Li
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
| | - Fengna Li
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
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50
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Su H, Chang R, Zheng W, Sun Y, Xu T. microRNA-210 and microRNA-3570 Negatively Regulate NF-κB-Mediated Inflammatory Responses by Targeting RIPK2 in Teleost Fish. Front Immunol 2021; 12:617753. [PMID: 33868233 PMCID: PMC8044448 DOI: 10.3389/fimmu.2021.617753] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 03/11/2021] [Indexed: 01/01/2023] Open
Abstract
Pathogen infection can cause the production of inflammatory cytokines, which are key mediators that cause the host’s innate immune response. Therefore, proper regulation of immune genes associated with inflammation is essential for immune response. Among them, microRNAs (miRNAs) as gene regulator have been widely reported to be involved in the innate immune response of mammals. However, the regulatory network in which miRNAs are involved in the development of inflammation is largely unknown in lower vertebrates. Here, we identified two miRNAs from miiuy croaker (Miichthys miiuy), miR-210 and miR-3570, which play a negative regulatory role in host antibacterial immunity. We found that the expressions of miR-210 and miR-3570 were significantly upregulated under the stimulation of Gram-negative bacterium vibrio harveyi and LPS (lipopolysaccharide). Induced miR-210 and miR-3570 inhibit inflammatory cytokine production by targeting RIPK2, thereby avoiding excessive inflammation. In particular, we found that miR-210 and miR-3570 negatively regulate antimicrobial immunity by regulating the RIPK2-mediated NF-κB signaling pathway. The collective results indicated that both miRNAs are used as negative feedback regulators to regulate RIPK2-mediated NF-κB signaling pathway and thus play a regulatory role in bacteria-induced inflammatory response.
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Affiliation(s)
- Hui Su
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Renjie Chang
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Weiwei Zheng
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Yuena Sun
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China.,Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai, China
| | - Tianjun Xu
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China.,Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, Shanghai, China.,National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, Shanghai, China
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