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Zhou H, Wu W, Zhang Q, Zhang T, Jiang S, Chang L, Xie Y, Zhu J, Zhou D, Zhang Y, Xu P. Proteome overview of exosome derived from plasma of cows infected with Mycobacterium bovis. Tuberculosis (Edinb) 2024; 148:102541. [PMID: 39002312 DOI: 10.1016/j.tube.2024.102541] [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: 03/11/2024] [Revised: 07/01/2024] [Accepted: 07/05/2024] [Indexed: 07/15/2024]
Abstract
Bovine tuberculosis (bTB), primarily caused by Mycobacterium bovis (M. bovis), is a globally zoonotic disease with significant economic impacts. Plasma exosomes have been extensively used for investigating disease processes and exploring biomarkers. While mass spectrometry (MS)-based proteomic analysis of plasma exosomes has been employed for human tuberculosis (TB) studies, it has not yet been applied to bTB. Therefore, a comprehensive proteomic overview of plasma exosomes from M. bovis-infected cows is essential. In this study, we presented an extensive proteomic analysis of plasma exosomes from 89 M. bovis-infected cows across three farms, using data dependent acquisition (DDA) mode. Our analysis encompasses 239,894 spectra, 6,011 peptides and 835 proteins. The proteomic overview revealed both consistencies and differences among individual cows, supplements 595 proteins to the bovine exosome library, and enriches tuberculosis and related pathways. Additionally, six pathways were validated as immune response pathways, and three proteins (CATHL1, H1-1, and LCN2) were identified as potential indicators of bTB. This study is the first to investigate the exosome proteome of plasma from cows infected with M. bovis, providing a valuable dataset for exploring candidate bTB markers and understanding the mechanisms of host defense against M. bovis.
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Affiliation(s)
- Hangfan Zhou
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Wenhui Wu
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China; State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Second Clinical Medicine Collage, Guangzhou Higher Education Mega Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Qilong Zhang
- Beijing Center for Animal Disease Control and Prevention, Beijing, 102629, China
| | - Tao Zhang
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Songhao Jiang
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Lei Chang
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Yuping Xie
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China
| | - Jiaqiang Zhu
- Beijing Xinhui Purui Technology Development Co., Ltd, Beijing, 102200, China
| | - Degang Zhou
- Beijing Center for Animal Disease Control and Prevention, Beijing, 102629, China.
| | - Yao Zhang
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Ping Xu
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Research Unit of Proteomics & Research and Development of New Drug of Chinese Academy of Medical Sciences, Beijing Institute of Lifeomics, Beijing, 102206, China; State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Second Clinical Medicine Collage, Guangzhou Higher Education Mega Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang, 110122, China; School of Basic Medicine, Anhui Medical University, Hefei, 230032, China; Department of Biomedicine, Medical College, Guizhou University, Guiyang, 550025, China.
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2
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Jeffrey MP, Saleem L, MacPherson CW, Tompkins TA, Clarke ST, Green-Johnson JM. A Lacticaseibacillus rhamnosus secretome induces immunoregulatory transcriptional, functional and immunometabolic signatures in human THP-1 monocytes. Sci Rep 2024; 14:8379. [PMID: 38600116 PMCID: PMC11006683 DOI: 10.1038/s41598-024-56420-8] [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: 12/22/2023] [Accepted: 03/06/2024] [Indexed: 04/12/2024] Open
Abstract
Macrophage responses to activation are fluid and dynamic in their ability to respond appropriately to challenges, a role integral to host defence. While bacteria can influence macrophage differentiation and polarization into pro-inflammatory and alternatively activated phenotypes through direct interactions, many questions surround indirect communication mechanisms mediated through secretomes derived from gut bacteria, such as lactobacilli. We examined effects of secretome-mediated conditioning on THP-1 human monocytes, focusing on the ability of the Lacticaseibacillus rhamnosus R0011 secretome (LrS) to drive macrophage differentiation and polarization and prime immune responses to subsequent challenge with lipopolysaccharide (LPS). Genome-wide transcriptional profiling revealed increased M2-associated gene transcription in response to LrS conditioning in THP-1 cells. Cytokine and chemokine profiling confirmed these results, indicating increased M2-associated chemokine and cytokine production (IL-1Ra, IL-10). These cells had increased cell-surface marker expression of CD11b, CD86, and CX3CR1, coupled with reduced expression of the M1 macrophage-associated marker CD64. Mitochondrial substrate utilization assays indicated diminished reliance on glycolytic substrates, coupled with increased utilization of citric acid cycle intermediates, characteristics of functional M2 activity. LPS challenge of LrS-conditioned THP-1s revealed heightened responsiveness, indicative of innate immune priming. Resting stage THP-1 macrophages co-conditioned with LrS and retinoic acid also displayed an immunoregulatory phenotype with expression of CD83, CD11c and CD103 and production of regulatory cytokines. Secretome-mediated conditioning of macrophages into an immunoregulatory phenotype is an uncharacterized and potentially important route through which lactic acid bacteria and the gut microbiota may train and shape innate immunity at the gut-mucosal interface.
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Affiliation(s)
- Michael P Jeffrey
- Applied Bioscience Graduate Program and the Faculty of Science, Ontario Tech University, Oshawa, ON, L1G 0C5, Canada
| | - Lin Saleem
- Applied Bioscience Graduate Program and the Faculty of Science, Ontario Tech University, Oshawa, ON, L1G 0C5, Canada
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, N1G 5C9, Canada
| | - Chad W MacPherson
- Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, QC, H3T 1E2, Canada
| | | | - Sandra T Clarke
- Applied Bioscience Graduate Program and the Faculty of Science, Ontario Tech University, Oshawa, ON, L1G 0C5, Canada
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, N1G 5C9, Canada
| | - Julia M Green-Johnson
- Applied Bioscience Graduate Program and the Faculty of Science, Ontario Tech University, Oshawa, ON, L1G 0C5, Canada.
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3
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Hamdorf M, Imhof T, Bailey-Elkin B, Betz J, Theobald SJ, Simonis A, Di Cristanziano V, Gieselmann L, Dewald F, Lehmann C, Augustin M, Klein F, Alejandre Alcazar MA, Rongisch R, Fabri M, Rybniker J, Goebel H, Stetefeld J, Brachvogel B, Cursiefen C, Koch M, Bock F. The unique ORF8 protein from SARS-CoV-2 binds to human dendritic cells and induces a hyper-inflammatory cytokine storm. J Mol Cell Biol 2024; 15:mjad062. [PMID: 37891014 PMCID: PMC11181941 DOI: 10.1093/jmcb/mjad062] [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: 07/04/2022] [Revised: 02/01/2023] [Accepted: 10/26/2023] [Indexed: 10/29/2023] Open
Abstract
The novel coronavirus pandemic, first reported in December 2019, was caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). SARS-CoV-2 infection leads to a strong immune response and activation of antigen-presenting cells, which can elicit acute respiratory distress syndrome (ARDS) characterized by the rapid onset of widespread inflammation, the so-called cytokine storm. In response to viral infections, monocytes are recruited into the lung and subsequently differentiate into dendritic cells (DCs). DCs are critical players in the development of acute lung inflammation that causes ARDS. Here, we focus on the interaction of a specific SARS-CoV-2 open reading frame protein, ORF8, with DCs. We show that ORF8 binds to DCs, causes pre-maturation of differentiating DCs, and induces the secretion of multiple proinflammatory cytokines by these cells. In addition, we identified DC-SIGN as a possible interaction partner of ORF8 on DCs. Blockade of ORF8 leads to reduced production of IL-1β, IL-6, IL-12p70, TNF-α, MCP-1 (also named CCL2), and IL-10 by DCs. Therefore, a neutralizing antibody blocking the ORF8-mediated cytokine and chemokine response could be an improved therapeutic strategy against SARS-CoV-2.
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Affiliation(s)
- Matthias Hamdorf
- Cornea Lab Experimental Ophthalmology, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
| | - Thomas Imhof
- Center for Biochemistry, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
- Institute for Experimental Dentistry and Oral Musculoskeletal Biology, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
| | - Ben Bailey-Elkin
- Department of Microbiology, University of Manitoba, Winnipeg MB R3B 2E9 Manitoba, Canada
| | - Janina Betz
- Center for Biochemistry, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
- Institute for Experimental Dentistry and Oral Musculoskeletal Biology, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
| | - Sebastian J Theobald
- Department I of Internal Medicine, Division of Infectious Diseases, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Alexander Simonis
- Department I of Internal Medicine, Division of Infectious Diseases, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Veronica Di Cristanziano
- Institute of Virology, Faculty of Medicine and University Hospital Cologne, 50935 Cologne, Germany
| | - Lutz Gieselmann
- Institute of Virology, Faculty of Medicine and University Hospital Cologne, 50935 Cologne, Germany
| | - Felix Dewald
- Institute of Virology, Faculty of Medicine and University Hospital Cologne, 50935 Cologne, Germany
| | - Clara Lehmann
- Department I of Internal Medicine, Division of Infectious Diseases, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
- German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, 50931 Cologne, Germany
| | - Max Augustin
- Department I of Internal Medicine, Division of Infectious Diseases, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
- German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, 50931 Cologne, Germany
| | - Florian Klein
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
- Institute of Virology, Faculty of Medicine and University Hospital Cologne, 50935 Cologne, Germany
- German Center for Infection Research (DZIF), Partner Site Bonn-Cologne, 50931 Cologne, Germany
| | - Miguel A Alejandre Alcazar
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
- Department of Children and Adolescent Medicine, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
- Cologne Excellence Cluster Stress Responses in Aging-associated Diseases, 50931 Cologne, Germany
- Institute for Lung Health (ILH), Universities of Gießen and Marburg Lung Centre, Member of the German Center for Lung Research, 35392 Gießen, Germany
| | - Robert Rongisch
- Dermatology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
| | - Mario Fabri
- Dermatology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
| | - Jan Rybniker
- Department I of Internal Medicine, Division of Infectious Diseases, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Heike Goebel
- Institute of Pathology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
| | - Jörg Stetefeld
- Department of Microbiology, University of Manitoba, Winnipeg MB R3B 2E9 Manitoba, Canada
| | - Bent Brachvogel
- Center for Biochemistry, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
- Department of Pediatrics and Adolescent Medicine, Experimental Neonatology, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
| | - Claus Cursiefen
- Cornea Lab Experimental Ophthalmology, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
| | - Manuel Koch
- Center for Biochemistry, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
- Institute for Experimental Dentistry and Oral Musculoskeletal Biology, Faculty of Medicine and University Hospital Cologne, 50931 Cologne, Germany
| | - Felix Bock
- Cornea Lab Experimental Ophthalmology, Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany
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Wu Z, Li H, Wu J, Lai X, Huang S, Yu M, Liao Q, Zhang C, Zhou L, Chen X, Guo H, Chen L. The profile of genome-wide DNA methylation, transcriptome, and proteome in streptomycin-resistant Mycobacterium tuberculosis. PLoS One 2024; 19:e0297477. [PMID: 38285653 PMCID: PMC10824437 DOI: 10.1371/journal.pone.0297477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 01/06/2024] [Indexed: 01/31/2024] Open
Abstract
Streptomycin-resistant (SM-resistant) Mycobacterium tuberculosis (M. tuberculosis) is a major concern in tuberculosis (TB) treatment. However, the mechanisms underlying streptomycin resistance remain unclear. This study primarily aimed to perform preliminary screening of genes associated with streptomycin resistance through conjoint analysis of multiple genomics. Genome-wide methylation, transcriptome, and proteome analyses were used to elucidate the associations between specific genes and streptomycin resistance in M. tuberculosis H37Rv. Methylation analysis revealed that 188 genes were differentially methylated between the SM-resistant and normal groups, with 89 and 99 genes being hypermethylated and hypomethylated, respectively. Furthermore, functional analysis revealed that these 188 differentially methylated genes were enriched in 74 pathways, with most of them being enriched in metabolic pathways. Transcriptome analysis revealed that 516 genes were differentially expressed between the drug-resistant and normal groups, with 263 and 253 genes being significantly upregulated and downregulated, respectively. KEGG analysis indicated that these 516 genes were enriched in 79 pathways, with most of them being enriched in histidine metabolism. The methylation level was negatively related to mRNA abundance. Proteome analysis revealed 56 differentially expressed proteins, including 14 upregulated and 42 downregulated proteins. Moreover, three hub genes (coaE, fadE5, and mprA) were obtained using synthetic analysis. The findings of this study suggest that an integrated DNA methylation, transcriptome, and proteome analysis can provide important resources for epigenetic studies in SM-resistant M. tuberculosis H37Rv.
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Affiliation(s)
- Zhuhua Wu
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Haicheng Li
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
- The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Jiawen Wu
- Institute for tuberculosis control of Zhaoqing, Zhaoqing, China
| | - Xiaoyu Lai
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Shanshan Huang
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Meiling Yu
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Qinghua Liao
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Chenchen Zhang
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Lin Zhou
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Xunxun Chen
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Huixin Guo
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
| | - Liang Chen
- Center for Tuberculosis Control of Guangdong Province, Guangzhou, China
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5
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Rahlwes KC, Dias BR, Campos PC, Alvarez-Arguedas S, Shiloh MU. Pathogenicity and virulence of Mycobacterium tuberculosis. Virulence 2023; 14:2150449. [PMID: 36419223 PMCID: PMC9817126 DOI: 10.1080/21505594.2022.2150449] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) is the causative agent of tuberculosis, an infectious disease with one of the highest morbidity and mortality rates worldwide. Leveraging its highly evolved repertoire of non-protein and protein virulence factors, Mtb invades through the airway, subverts host immunity, establishes its survival niche, and ultimately escapes in the setting of active disease to initiate another round of infection in a naive host. In this review, we will provide a concise synopsis of the infectious life cycle of Mtb and its clinical and epidemiologic significance. We will also take stock of its virulence factors and pathogenic mechanisms that modulate host immunity and facilitate its spread. Developing a greater understanding of the interface between Mtb virulence factors and host defences will enable progress toward improved vaccines and therapeutics to prevent and treat tuberculosis.
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Affiliation(s)
- Kathryn C. Rahlwes
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Beatriz R.S. Dias
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Priscila C. Campos
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Samuel Alvarez-Arguedas
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michael U. Shiloh
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA,Department of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX, USA,CONTACT Michael U. Shiloh
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Wardani DWSR, Pramesona BA, Septiana T, Soemarwoto RAS. Risk factors for delayed sputum conversion: A qualitative case study from the person-in-charge of TB program's perspectives. J Public Health Res 2023; 12:22799036231208355. [PMID: 37901194 PMCID: PMC10605690 DOI: 10.1177/22799036231208355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 09/25/2023] [Indexed: 10/31/2023] Open
Abstract
Background One of the indicators to determine the success of TB treatment is the conversion of sputum from smear positive to negative. However, several factors can lead to this failure of sputum conversion. Objectives To investigate the risk factors for delayed sputum conversion from the person-in-charge (PIC) of the TB program's perspective. Design and methods This qualitative case study was conducted on September 7th, 2022. Thirty-one PICs of the TB program from 31 public health centers (Puskesmas) in Bandar Lampung, Indonesia, were recruited purposively. All participants were grouped into three FGDs. Developed semi-structured interview questions were used for data collection. Thematic analysis was used to synthesize and cross-reference emerging topics. Results Three themes emerged in our study: (1) individual factors with the sub-themes of medication adherence, education, initial laboratory examination, comorbid disease, nutrition, and lifestyle; (2) environmental factors with the sub-themes of types of support, sources of support, environmental conditions and stigma; and (3) health service factors with the sub-theme of access to health service facilities. Conclusions Problems related to TB management are not only the individual's responsibility but need to strengthen support from the environment and health services.
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Affiliation(s)
| | - Bayu Anggileo Pramesona
- Department of Public Health, Faculty of Medicine, Universitas Lampung, Bandar Lampung, Indonesia
| | - Trisya Septiana
- Department of Informatics Engineering, Faculty of Engineering, Universitas Lampung, Bandar Lampung, Indonesia
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7
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Zihad SNK, Sifat N, Islam MA, Monjur-Al-Hossain A, Sikdar KYK, Sarker MMR, Shilpi JA, Uddin SJ. Role of pattern recognition receptors in sensing Mycobacterium tuberculosis. Heliyon 2023; 9:e20636. [PMID: 37842564 PMCID: PMC10570006 DOI: 10.1016/j.heliyon.2023.e20636] [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: 10/22/2022] [Revised: 09/06/2023] [Accepted: 10/03/2023] [Indexed: 10/17/2023] Open
Abstract
Mycobacterium tuberculosis is one of the major invasive intracellular pathogens causing most deaths by a single infectious agent. The interaction between host immune cells and this pathogen is the focal point of the disease, Tuberculosis. Host immune cells not only mount the protective action against this pathogen but also serve as the primary niche for growth. Thus, recognition of this pathogen by host immune cells and following signaling cascades are key dictators of the disease state. Immune cells, mainly belonging to myeloid cell lineage, recognize a wide variety of Mycobacterium tuberculosis ligands ranging from carbohydrate and lipids to proteins to nucleic acids by different membrane-bound and soluble pattern recognition receptors. Simultaneous interaction between different host receptors and pathogen ligands leads to immune-inflammatory response as well as contributes to virulence. This review summarizes the contribution of pattern recognition receptors of host immune cells in recognizing Mycobacterium tuberculosis and subsequent initiation of signaling pathways to provide the molecular insight of the specific Mtb ligands interacting with specific PRR, key adaptor molecules of the downstream signaling pathways and the resultant effector functions which will aid in identifying novel drug targets, and developing novel drugs and adjuvants.
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Affiliation(s)
| | - Nazifa Sifat
- Department of Pharmacy, ASA University of Bangladesh, Dhaka, 1207, Bangladesh
| | | | | | | | - Md Moklesur Rahman Sarker
- Department of Pharmacy, State University of Bangladesh, Dhaka, 1205, Bangladesh
- Department of Pharmacy, Gono University, Nolam, Mirzanagar, Savar, Dhaka 1344, Bangladesh
| | - Jamil A. Shilpi
- Pharmacy Discipline, Life Science School, Khulna University, Khulna, 9208, Bangladesh
| | - Shaikh Jamal Uddin
- Pharmacy Discipline, Life Science School, Khulna University, Khulna, 9208, Bangladesh
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8
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Viljoen A, Vercellone A, Chimen M, Gaibelet G, Mazères S, Nigou J, Dufrêne YF. Nanoscale clustering of mycobacterial ligands and DC-SIGN host receptors are key determinants for pathogen recognition. SCIENCE ADVANCES 2023; 9:eadf9498. [PMID: 37205764 PMCID: PMC10198640 DOI: 10.1126/sciadv.adf9498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
The bacterial pathogen Mycobacterium tuberculosis binds to the C-type lectin DC-SIGN (dendritic cell-specific intercellular adhesion molecule 3-grabbing nonintegrin) on dendritic cells to evade the immune system. While DC-SIGN glycoconjugate ligands are ubiquitous among mycobacterial species, the receptor selectively binds pathogenic species from the M. tuberculosis complex (MTBC). Here, we unravel the molecular mechanism behind this intriguing selective recognition by means of a multidisciplinary approach combining single-molecule atomic force microscopy with Förster resonance energy transfer and bioassays. Molecular recognition imaging of mycobacteria demonstrates that the distribution of DC-SIGN ligands markedly differs between Mycobacterium bovis Bacille Calmette-Guérin (BCG) (model MTBC species) and Mycobacterium smegmatis (non-MTBC species), the ligands being concentrated into dense nanodomains on M. bovis BCG. Upon bacteria-host cell adhesion, ligand nanodomains induce the recruitment and clustering of DC-SIGN. Our study highlights the key role of clustering of both ligands on MTBC species and DC-SIGN host receptors in pathogen recognition, a mechanism that might be widespread in host-pathogen interactions.
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Affiliation(s)
- Albertus Viljoen
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud, 4-5, bte L7.07.07., B-1348 Louvain-la-Neuve, Belgium
| | - Alain Vercellone
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France
| | - Myriam Chimen
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France
| | - Gérald Gaibelet
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France
| | - Serge Mazères
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France
| | - Jérôme Nigou
- Institut de Pharmacologie et de Biologie Structurale (IPBS), Université de Toulouse, CNRS, Université Toulouse III - Paul Sabatier (UPS), Toulouse, France
| | - Yves F. Dufrêne
- Louvain Institute of Biomolecular Science and Technology, UCLouvain, Croix du Sud, 4-5, bte L7.07.07., B-1348 Louvain-la-Neuve, Belgium
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9
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Zhang Q, Sioud M. Tumor-Associated Macrophage Subsets: Shaping Polarization and Targeting. Int J Mol Sci 2023; 24:7493. [PMID: 37108657 PMCID: PMC10138703 DOI: 10.3390/ijms24087493] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/12/2023] [Accepted: 04/16/2023] [Indexed: 04/29/2023] Open
Abstract
The tumor microenvironment (TME) is a critical regulator of tumor growth, progression, and metastasis. Among the innate immune cells recruited to the tumor site, macrophages are the most abundant cell population and are present at all stages of tumor progression. They undergo M1/M2 polarization in response to signals derived from TME. M1 macrophages suppress tumor growth, while their M2 counterparts exert pro-tumoral effects by promoting tumor growth, angiogenesis, metastasis, and resistance to current therapies. Several subsets of the M2 phenotype have been observed, often denoted as M2a, M2b, M2c, and M2d. These are induced by different stimuli and differ in phenotypes as well as functions. In this review, we discuss the key features of each M2 subset, their implications in cancers, and highlight the strategies that are being developed to harness TAMs for cancer treatment.
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Affiliation(s)
- Qindong Zhang
- Division of Cancer Medicine, Department of Cancer Immunology, Oslo University Hospital, University of Oslo, Ullernchausseen 70, 0379 Oslo, Norway;
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, University of Oslo, Blindern, P.O. Box 1068, 0316 Oslo, Norway
| | - Mouldy Sioud
- Division of Cancer Medicine, Department of Cancer Immunology, Oslo University Hospital, University of Oslo, Ullernchausseen 70, 0379 Oslo, Norway;
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10
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-Hidayah N, -Djaharuddin I, -Ahmad A, -Pambudi S, -Halik H, -Subair S, -Tenriola A, -Mumang AA, -Lihawa N, -Massi MN. Plasma Macrophage Migration Inhibitory Factor Concentration at Each Spectrum of Tuberculosis. J Interferon Cytokine Res 2023; 43:98-103. [PMID: 36516121 DOI: 10.1089/jir.2022.0197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Macrophage migration inhibitory factor (MIF) is an inflammatory mediator in several diseases, including tuberculosis (TB). However, the role of MIF in each stage of TB remains to be further elucidated. Thus, this study aimed to analyze the differences in plasma MIF protein levels in patients with active pulmonary TB, positive and negative interferon-gamma release assay (IGRA) household contacts (HHCs), and healthy controls (HCs). Plasma MIF concentration was significantly higher in patients with active-new pulmonary tuberculosis (ATB) and HHCs compared with HCs (mean ± standard deviation: 17.32 ± 16.85, 16.29 ± 14.21, and 7.29 ± 5.39 ng/mL, respectively; P = 0.002). The plasma MIF concentration was not statistically different when compared between patients with ATB, IGRA-positive HHCs (17.44 ± 16.6 ng/mL), and IGRA-negative HHCs (14.34 ± 8.7 ng/mL) (P = 0.897). In conclusion, ATB patients, IGRA-positive HHCs, and IGRA-negative HHCs have a higher MIF concentration than HCs. This shows the involvement of MIF in each stage of TB, starting from TB exposure and infection, but not symptomatic, to the active stage.
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Affiliation(s)
- Najdah -Hidayah
- Research Center for Vaccine and Drugs, National Research and Innovation Agency (BRIN), Tangerang Selatan, Indonesia
| | - Irawaty -Djaharuddin
- Department of Pulmonology and Respiratory Diseases, Faculty of Medicine, Universitas Hasanuddin, Makassar, Indonesia.,Dr. Wahidin Sudirohusodo Hospital, Makassar, Indonesia
| | - Ahyar -Ahmad
- Department of Chemistry, Mathematics and Natural Science Faculty, Universitas Hasanuddin, Makassar, Indonesia
| | - Sabar -Pambudi
- Research Center for Vaccine and Drugs, National Research and Innovation Agency (BRIN), Tangerang Selatan, Indonesia
| | | | | | - Andi -Tenriola
- Department of Nursing, Sekolah Tinggi Ilmu Kesehatan Panrita Husada, Bulukumba, Indonesia
| | - Andi Agus -Mumang
- Research, Community Service, and International Unit, Faculty of Public Health, Universitas Hasanuddin, Makassar, Indonesia
| | - Nurjannah -Lihawa
- Department of Pulmonology and Respiratory Diseases, Faculty of Medicine, Universitas Hasanuddin, Makassar, Indonesia.,Dr. Wahidin Sudirohusodo Hospital, Makassar, Indonesia
| | - Muhammad Nasrum -Massi
- Department of Clinical Microbiology, Faculty of Medicine, Universitas Hasanuddin, Makassar, Indonesia
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11
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Bose M, Giri A, Varma-Basil M. Comparative Genetic Association Analysis of Human Genetic Susceptibility to Pulmonary and Lymph Node Tuberculosis. Genes (Basel) 2023; 14:genes14010207. [PMID: 36672948 PMCID: PMC9859508 DOI: 10.3390/genes14010207] [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: 11/04/2022] [Revised: 01/08/2023] [Accepted: 01/11/2023] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Tuberculosis (TB) manifests itself primarily in the lungs as pulmonary disease (PTB) and sometimes disseminates to other organs to cause extra-pulmonary TB, such as lymph node TB (LNTB). This study aimed to investigate the role of host genetic polymorphism in immunity related genes to find a genetic basis for such differences. METHODS Sixty-three, Single nucleotide polymorphisms (SNPs) in twenty-three, TB-immunity related genes including eleven innate immunity (SLCA11, VDR, TLR2, TLR4, TLR8, IRGM, P2RX7, LTA4H, SP110, DCSIGN and NOS2A) and twelve cytokine (TNFA, IFNG, IL2, Il12, IL18, IL1B, IL10, IL6, IL4, rs1794068, IL8 and TNFB) genes were investigated to find genetic associations in both PTB and LNTB as compared to healthy community controls. The serum cytokine levels were correlated for association with the genotypes. RESULTS PTB and LNTB showed differential genetic associations. The genetic variants in the cytokine genes (IFNG, IL12, IL4, TNFB and IL1RA and TLR2, 4 associated with PTB susceptibility and cytokine levels but not LNTB (p < 0.05). Similarly, genetic variants in LTA4H, P2RX7, DCSIGN and SP110 showed susceptibility to LNTB and not PTB. Pathway analysis showed abundance of cytokine related variants for PTB and apoptosis related variants for LNTB. CONCLUSIONS PTB and LNTB outcomes of TB infection have a genetic component and should be considered for any future functional studies or studies on susceptibility to pulmonary and extra-pulmonary TB.
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Affiliation(s)
- Mridula Bose
- Department of Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi 110007, India
- Correspondence: (A.); (M.B.)
| | - Astha Giri
- Department of Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi 110007, India
| | - Mandira Varma-Basil
- Department of Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi 110007, India
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12
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Choi H, Yang SW, Joo JS, Park M, Jin Y, Kim JW, Lee SY, Lee SV, Yun TJ, Cho ML, Hwang HS, Kang YS. Sialylated IVIg binding to DC-SIGN + Hofbauer cells induces immune tolerance through the caveolin-1/NF-kB pathway and IL-10 secretion. Clin Immunol 2023; 246:109215. [PMID: 36581222 DOI: 10.1016/j.clim.2022.109215] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/15/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022]
Abstract
Although the use of IVIg has increased in various immune-driven diseases and even in pregnancy, the exact action mechanisms of IVIg are not fully understood. Dendritic cell-specific intercellular adhesion molecule-3 grabbing non-integrin (DC-SIGN) is a known receptor for α-2,6-sialylated IgG (sIVIg), which is responsible for the anti-inflammatory effect of IVIg. DC-SIGN is expressed on Hofbauer cells (HBCs) of the fetal villi of the placenta which act as an innate immune modulator at the maternal-fetal interface. Preeclampsia is a major complication in pregnancy and is related to IL-10, a cytokine with an important role in immune tolerance. DC-SIGN interaction with sIVIg in HBCs promoted IL-10 secretion through the activation of the caveolin-1/NF-κB pathway, especially in plasma lipid rafts. Consistent results were obtained for HBCs from patients with preeclampsia. Collectively, the stimulation of DC-SIGN+ HBCs with sIVIg enhanced immune tolerance in the feto-maternal environment, suggesting the therapeutic application of sIVIg to prevent preeclampsia.
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Affiliation(s)
- Hyeongjwa Choi
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Seung-Woo Yang
- Department of Obstetrics and Gynecology, Sang-Gye Paik Hospital, Inje University School of Medicine; Seoul 01757, Republic of Korea
| | - Jin-Soo Joo
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea; Department of Veterinary Pharmacology and Toxicology, Veterinary Science Research Institute, College of Veterinary Medicine, Konkuk University; 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Min Park
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Yihua Jin
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Ji-Woon Kim
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Seon-Yeong Lee
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Vin Lee
- Department of Veterinary Pharmacology and Toxicology, Veterinary Science Research Institute, College of Veterinary Medicine, Konkuk University; 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Tae-Jin Yun
- Department of Pathology, New York University Grossman School of Medicine; New York, NY 10016, USA
| | - Mi-La Cho
- The Rheumatism Research Center, The Catholic University of Korea, Seoul, South Korea; Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, South Korea
| | - Han-Sung Hwang
- Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, Research Institute of Medical Science, Konkuk University School of Medicine; Seoul, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
| | - Young-Sun Kang
- Department of KONKUK-KIST Biomedical Science & Technology, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea; Department of Veterinary Pharmacology and Toxicology, Veterinary Science Research Institute, College of Veterinary Medicine, Konkuk University; 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea; KU Research Center for Zoonosis, Konkuk University; 1 Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea.
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13
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Chandra P, Grigsby SJ, Philips JA. Immune evasion and provocation by Mycobacterium tuberculosis. Nat Rev Microbiol 2022; 20:750-766. [PMID: 35879556 PMCID: PMC9310001 DOI: 10.1038/s41579-022-00763-4] [Citation(s) in RCA: 133] [Impact Index Per Article: 66.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2022] [Indexed: 02/07/2023]
Abstract
Mycobacterium tuberculosis, the causative agent of tuberculosis, has infected humans for millennia. M. tuberculosis is well adapted to establish infection, persist in the face of the host immune response and be transmitted to uninfected individuals. Its ability to complete this infection cycle depends on it both evading and taking advantage of host immune responses. The outcome of M. tuberculosis infection is often a state of equilibrium characterized by immunological control and bacterial persistence. Recent data have highlighted the diverse cell populations that respond to M. tuberculosis infection and the dynamic changes in the cellular and intracellular niches of M. tuberculosis during the course of infection. M. tuberculosis possesses an arsenal of protein and lipid effectors that influence macrophage functions and inflammatory responses; however, our understanding of the role that specific bacterial virulence factors play in the context of diverse cellular reservoirs and distinct infection stages is limited. In this Review, we discuss immune evasion and provocation by M. tuberculosis during its infection cycle and describe how a more detailed molecular understanding is crucial to enable the development of novel host-directed therapies, disease biomarkers and effective vaccines.
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Affiliation(s)
- Pallavi Chandra
- Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, USA
| | - Steven J Grigsby
- Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, USA
| | - Jennifer A Philips
- Division of Infectious Diseases, Department of Medicine, Washington University School of Medicine, St Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St Louis, MO, USA.
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14
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Dupont M, Rousset S, Manh TPV, Monard SC, Pingris K, Souriant S, Vahlas Z, Velez T, Poincloux R, Maridonneau-Parini I, Neyrolles O, Lugo-Villarino G, Vérollet C. Dysregulation of the IFN-I signaling pathway by Mycobacterium tuberculosis leads to exacerbation of HIV-1 infection of macrophages. J Leukoc Biol 2022; 112:1329-1342. [PMID: 35588259 DOI: 10.1002/jlb.4ma0422-730r] [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: 01/15/2022] [Revised: 04/01/2022] [Indexed: 12/24/2022] Open
Abstract
While tuberculosis (TB) is a risk factor in HIV-1-infected individuals, the mechanisms by which Mycobacterium tuberculosis (Mtb), the agent of TB in humans, worsens HIV-1 pathogenesis still need to be fully elucidated. Recently, we showed that HIV-1 infection and spread are exacerbated in macrophages exposed to TB-associated microenvironments. Transcriptomic analysis of macrophages conditioned with medium of Mtb-infected human macrophages (cmMTB) revealed an up-regulation of the typeI interferon (IFN-I) pathway, characterized by the overexpression of IFN-inducible genes. Historically, IFN-I are well known for their antiviral functions, but our previous work showed that this is not the case in the context of coinfection with HIV-1. Here, we show that the IFN-I response signature in cmMTB-treated macrophages matches the one observed in the blood of active TB patients, and depends on the timing of incubation with cmMTB. This suggests that the timing of macrophage's exposure to IFN-I can impact their capacity to control HIV-1 infection. Strikingly, we found that cmMTB-treated macrophages are hyporesponsive to extrastimulation with exogenous IFN-I, used to mimic HIV-1 infection. Yet, depleting STAT1 by gene silencing to block the IFN-I signaling pathway reduced TB-induced exacerbation of HIV-1 infection. Altogether, by aiming to understand why TB-derived IFN-I preexposure of macrophages did not induce antiviral immunity against HIV-1, we demonstrated that these cells are hyporesponsive to exogenous IFN-I, a phenomenon that prevents macrophage activation against HIV-1.
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Affiliation(s)
- Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina.,The Sir William Dunn School of Pathology, The University of Oxford, Oxford, UK
| | - Stella Rousset
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,Department of Infectious and Tropical Diseases, Toulouse University Hospital, Toulouse Cedex, France
| | | | - Sarah Catherine Monard
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Karine Pingris
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Shanti Souriant
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Zoï Vahlas
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Tomàs Velez
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Toulouse, France.,International Research Project (IRP) CNRS "MAC-TB/HIV", Buenos Aires, Argentina
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15
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van Alem CMA, Bank JR, de Vries DK, Bajema IM, Mallat MJK, de Fijter JW, Rotmans JI, van Kooten C. Presence of CD163 + macrophages in DCD kidneys with high DGF reduces the risk for acute cellular rejection in 6 months after kidney transplantation. Transpl Immunol 2022; 75:101714. [PMID: 36108808 DOI: 10.1016/j.trim.2022.101714] [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: 05/13/2022] [Revised: 09/08/2022] [Accepted: 09/08/2022] [Indexed: 11/19/2022]
Abstract
Acute cellular rejection (ACR) occurs in 10% of renal allograft recipients and is characterized by leukocyte infiltration as observed in needle biopsies. ACR onset is subject to several risk factors, including delayed graft function (DGF). As the impact of DGF on the etiology of ACR remains unclear, this study analyzed the association between presence of leukocyte subsets and ACR onset, in DCD kidney biopsies with extensive DGF following transplantation. Immunohistochemical analysis of protocol biopsies taken 10 days after kidney transplantation revealed that patients with high levels of renal CD163+ macrophages have a decreased risk (OR = 0.021, P = 0.008) for ACR in the first 6 months after transplantation. In pre-transplant biopsies of a comparable DCD cohort, with >80% DGF, presence of donor CD163+ macrophages showed no effect on ACR risk. Therefore, leukocyte infiltrate present during the inflammatory response at the time of DGF may contain anti-inflammatory macrophages that exert a protective effect against ACR development.
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Affiliation(s)
- C M A van Alem
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands
| | - J R Bank
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands
| | - D K de Vries
- Transplant Center, Leiden University Medical Center, Leiden, the Netherlands; Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - I M Bajema
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - M J K Mallat
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands; Transplant Center, Leiden University Medical Center, Leiden, the Netherlands
| | - J W de Fijter
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands
| | - J I Rotmans
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands
| | - C van Kooten
- Department of Internal Medicine, Nephrology Section, Leiden University Medical Center, Leiden, the Netherlands; Transplant Center, Leiden University Medical Center, Leiden, the Netherlands.
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16
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Pathogenesis and Manifestations of Zika Virus-Associated Ocular Diseases. Trop Med Infect Dis 2022; 7:tropicalmed7060106. [PMID: 35736984 PMCID: PMC9229560 DOI: 10.3390/tropicalmed7060106] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/02/2022] [Accepted: 06/07/2022] [Indexed: 12/18/2022] Open
Abstract
Zika virus (ZIKV) is mosquito-borne flavivirus that caused a significant public health concern in French Polynesia and South America. The two major complications that gained the most media attention during the ZIKV outbreak were Guillain-Barré syndrome (GBS) and microcephaly in newborn infants. The two modes of ZIKV transmission are the vector-borne and non-vector borne modes of transmission. Aedes aegypti and Aedes albopictus are the most important vectors of ZIKV. ZIKV binds to surface receptors on permissive cells that support infection and replication, such as neural progenitor cells, dendritic cells, dermal fibroblasts, retinal pigment epithelial cells, endothelial cells, macrophages, epidermal keratinocytes, and trophoblasts to cause infection. The innate immune response to ZIKV infection is mediated by interferons and natural killer cells, whereas the adaptive immune response is mediated by CD8+T cells, Th1 cells, and neutralizing antibodies. The non-structural proteins of ZIKV, such as non-structural protein 5, are involved in the evasion of the host's immune defense mechanisms. Ocular manifestations of ZIKV arise from the virus' ability to cross both the blood-brain barrier and blood-retinal barrier, as well as the blood-aqueous barrier. Most notably, this results in the development of GBS, a rare neurological complication in acute ZIKV infection. This can yield ocular symptoms and signs. Additionally, infants to whom ZIKV is transmitted congenitally develop congenital Zika syndrome (CZS). The ocular manifestations are widely variable, and include nonpurulent conjunctivitis, anterior uveitis, keratitis, trabeculitis, congenital glaucoma, microphthalmia, hypoplastic optic disc, and optic nerve pallor. There are currently no FDA approved therapeutic agents for treating ZIKV infections and, as such, a meticulous ocular examination is an important aspect of the diagnosis. This review utilized several published articles regarding the ocular findings of ZIKV, antiviral immune responses to ZIKV infection, and the pathogenesis of ocular manifestations in individuals with ZIKV infection. This review summarizes the current knowledge on the viral immunology of ZIKV, interactions between ZIKV and the host's immune defense mechanism, pathological mechanisms, as well as anterior and posterior segment findings associated with ZIKV infection.
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17
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Belyaeva IV, Kosova AN, Vasiliev AG. Tuberculosis and Autoimmunity. PATHOPHYSIOLOGY 2022; 29:298-318. [PMID: 35736650 PMCID: PMC9228380 DOI: 10.3390/pathophysiology29020022] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 12/17/2022] Open
Abstract
Tuberculosis remains a common and dangerous chronic bacterial infection worldwide. It is long-established that pathogenesis of many autoimmune diseases is mainly promoted by inadequate immune responses to bacterial agents, among them Mycobacterium tuberculosis. Tuberculosis is a multifaceted process having many different outcomes and complications. Autoimmunity is one of the processes characteristic of tuberculosis; the presence of autoantibodies was documented by a large amount of evidence. The role of autoantibodies in pathogenesis of tuberculosis is not quite clear and widely disputed. They are regarded as: (1) a result of imbalanced immune response being reactive in nature, (2) a critical part of TB pathogenicity, (3) a beginning of autoimmune disease, (4) a protective mechanism helping to eliminate microbes and infected cells, and (5) playing dual role, pathogenic and protective. There is no single autoimmunity-mechanism development in tuberculosis; different pathways may be suggested. It may be excessive cell death and insufficient clearance of dead cells, impaired autophagy, enhanced activation of macrophages and dendritic cells, environmental influences such as vitamin D insufficiency, and genetic polymorphism, both of Mycobacterium tuberculosis and host.
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18
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Alam A, Abubaker Bagabir H, Sultan A, Siddiqui MF, Imam N, Alkhanani MF, Alsulimani A, Haque S, Ishrat R. An Integrative Network Approach to Identify Common Genes for the Therapeutics in Tuberculosis and Its Overlapping Non-Communicable Diseases. Front Pharmacol 2022; 12:770762. [PMID: 35153741 PMCID: PMC8829040 DOI: 10.3389/fphar.2021.770762] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Accepted: 12/27/2021] [Indexed: 12/15/2022] Open
Abstract
Tuberculosis (TB) is the leading cause of death from a single infectious agent. The estimated total global TB deaths in 2019 were 1.4 million. The decline in TB incidence rate is very slow, while the burden of noncommunicable diseases (NCDs) is exponentially increasing in low- and middle-income countries, where the prevention and treatment of TB disease remains a great burden, and there is enough empirical evidence (scientific evidence) to justify a greater research emphasis on the syndemic interaction between TB and NCDs. The current study was proposed to build a disease-gene network based on overlapping TB with NCDs (overlapping means genes involved in TB and other/s NCDs), such as Parkinson’s disease, cardiovascular disease, diabetes mellitus, rheumatoid arthritis, and lung cancer. We compared the TB-associated genes with genes of its overlapping NCDs to determine the gene-disease relationship. Next, we constructed the gene interaction network of disease-genes by integrating curated and experimentally validated interactions in humans and find the 13 highly clustered modules in the network, which contains a total of 86 hub genes that are commonly associated with TB and its overlapping NCDs, which are largely involved in the Inflammatory response, cellular response to cytokine stimulus, response to cytokine, cytokine-mediated signaling pathway, defense response, response to stress and immune system process. Moreover, the identified hub genes and their respective drugs were exploited to build a bipartite network that assists in deciphering the drug-target interaction, highlighting the influential roles of these drugs on apparently unrelated targets and pathways. Targeting these hub proteins by using drugs combination or drug repurposing approaches will improve the clinical conditions in comorbidity, enhance the potency of a few drugs, and give a synergistic effect with better outcomes. Thus, understanding the Mycobacterium tuberculosis (Mtb) infection and associated NCDs is a high priority to contain its short and long-term effects on human health. Our network-based analysis opens a new horizon for more personalized treatment, drug-repurposing opportunities, investigates new targets, multidrug treatment, and can uncover several side effects of unrelated drugs for TB and its overlapping NCDs.
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Affiliation(s)
- Aftab Alam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Hala Abubaker Bagabir
- Department of Physiology, Faculty of Medicine, King Abdulaziz University, Rabigh, Saudi Arabia
| | - Armiya Sultan
- Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | | | - Nikhat Imam
- Department of Mathematics, Institute of Computer Science and Information Technology, Magadh University, Bodh Gaya, India
| | - Mustfa F Alkhanani
- Emergency Service Department, College of Applied Sciences, AlMaarefa University, Riyadh, Saudi Arabia
| | - Ahmad Alsulimani
- Medical Laboratory Technology Department, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan, Saudi Arabia
| | - Romana Ishrat
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
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19
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Hasankhani A, Bahrami A, Sheybani N, Fatehi F, Abadeh R, Ghaem Maghami Farahani H, Bahreini Behzadi MR, Javanmard G, Isapour S, Khadem H, Barkema HW. Integrated Network Analysis to Identify Key Modules and Potential Hub Genes Involved in Bovine Respiratory Disease: A Systems Biology Approach. Front Genet 2021; 12:753839. [PMID: 34733317 PMCID: PMC8559434 DOI: 10.3389/fgene.2021.753839] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/28/2021] [Indexed: 12/11/2022] Open
Abstract
Background: Bovine respiratory disease (BRD) is the most common disease in the beef and dairy cattle industry. BRD is a multifactorial disease resulting from the interaction between environmental stressors and infectious agents. However, the molecular mechanisms underlying BRD are not fully understood yet. Therefore, this study aimed to use a systems biology approach to systematically evaluate this disorder to better understand the molecular mechanisms responsible for BRD. Methods: Previously published RNA-seq data from whole blood of 18 healthy and 25 BRD samples were downloaded from the Gene Expression Omnibus (GEO) and then analyzed. Next, two distinct methods of weighted gene coexpression network analysis (WGCNA), i.e., module-trait relationships (MTRs) and module preservation (MP) analysis were used to identify significant highly correlated modules with clinical traits of BRD and non-preserved modules between healthy and BRD samples, respectively. After identifying respective modules by the two mentioned methods of WGCNA, functional enrichment analysis was performed to extract the modules that are biologically related to BRD. Gene coexpression networks based on the hub genes from the candidate modules were then integrated with protein-protein interaction (PPI) networks to identify hub-hub genes and potential transcription factors (TFs). Results: Four significant highly correlated modules with clinical traits of BRD as well as 29 non-preserved modules were identified by MTRs and MP methods, respectively. Among them, two significant highly correlated modules (identified by MTRs) and six nonpreserved modules (identified by MP) were biologically associated with immune response, pulmonary inflammation, and pathogenesis of BRD. After aggregation of gene coexpression networks based on the hub genes with PPI networks, a total of 307 hub-hub genes were identified in the eight candidate modules. Interestingly, most of these hub-hub genes were reported to play an important role in the immune response and BRD pathogenesis. Among the eight candidate modules, the turquoise (identified by MTRs) and purple (identified by MP) modules were highly biologically enriched in BRD. Moreover, STAT1, STAT2, STAT3, IRF7, and IRF9 TFs were suggested to play an important role in the immune system during BRD by regulating the coexpressed genes of these modules. Additionally, a gene set containing several hub-hub genes was identified in the eight candidate modules, such as TLR2, TLR4, IL10, SOCS3, GZMB, ANXA1, ANXA5, PTEN, SGK1, IFI6, ISG15, MX1, MX2, OAS2, IFIH1, DDX58, DHX58, RSAD2, IFI44, IFI44L, EIF2AK2, ISG20, IFIT5, IFITM3, OAS1Y, HERC5, and PRF1, which are potentially critical during infection with agents of bovine respiratory disease complex (BRDC). Conclusion: This study not only helps us to better understand the molecular mechanisms responsible for BRD but also suggested eight candidate modules along with several promising hub-hub genes as diagnosis biomarkers and therapeutic targets for BRD.
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Affiliation(s)
- Aliakbar Hasankhani
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Abolfazl Bahrami
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Biomedical Center for Systems Biology Science Munich, Ludwig-Maximilians-University, Munich, Germany
| | - Negin Sheybani
- Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Tehran, Iran
| | - Farhang Fatehi
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Roxana Abadeh
- Department of Animal Science, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | | | - Ghazaleh Javanmard
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Sadegh Isapour
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Hosein Khadem
- Department of Agronomy and Plant Breeding, University of Tehran, Karaj, Iran
| | - Herman W. Barkema
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
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20
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Correa-Macedo W, Fava VM, Orlova M, Cassart P, Olivenstein R, Sanz J, Xu YZ, Dumaine A, Sindeaux RH, Yotova V, Pacis A, Girouard J, Kalsdorf B, Lange C, Routy JP, Barreiro LB, Schurr E. Alveolar macrophages from persons living with HIV show impaired epigenetic response to Mycobacterium tuberculosis. J Clin Invest 2021; 131:e148013. [PMID: 34473646 DOI: 10.1172/jci148013] [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] [Received: 01/25/2021] [Accepted: 08/26/2021] [Indexed: 11/17/2022] Open
Abstract
Persons living with HIV (PLWH) are at increased risk of tuberculosis (TB). HIV-associated TB is often the result of recent infection with Mycobacterium tuberculosis (Mtb) followed by rapid progression to disease. Alveolar macrophages (AM) are the first cells of the innate immune system that engage Mtb, but how HIV and antiretroviral therapy (ART) impact on the anti-mycobacterial response of AM is not known. To investigate the impact of HIV and ART on the transcriptomic and epigenetic response of AM to Mtb, we obtained AM by bronchoalveolar lavage from 20 PLWH receiving ART, 16 control subjects who were HIV-free (HC), and 14 subjects who received ART as pre-exposure prophylaxis (PrEP) to prevent HIV infection. Following in-vitro challenge with Mtb, AM from each group displayed overlapping but distinct profiles of significantly up- and down-regulated genes in response to Mtb. Comparatively, AM isolated from both PLWH and PrEP subjects presented a substantially weaker transcriptional response. In addition, AM from HC subjects challenged with Mtb responded with pronounced chromatin accessibility changes while AM obtained from PLWH and PrEP subjects displayed no significant changes in their chromatin state. Collectively, these results revealed a stronger adverse effect of ART than HIV on the epigenetic landscape and transcriptional responsiveness of AM.
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Affiliation(s)
| | - Vinicius M Fava
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Marianna Orlova
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Pauline Cassart
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Ron Olivenstein
- Translational Research in Respiratory Diseases Program, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Joaquín Sanz
- Institute for Bio-computation and Physics of Complex Systems BIFI, Departme, University of Zaragoza, Zaragoza, Spain
| | - Yong Zhong Xu
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Anne Dumaine
- Department of Medicine, University of Chicago, Chicago, United States of America
| | | | - Vania Yotova
- Research Centre, CHU Sainte-Justine Hospital, Montréal, Canada
| | - Alain Pacis
- Canadian Centre for Computational Genomics, McGill University and Genome Quebec Innovation Center, Montréal, Canada
| | - Josée Girouard
- Chronic Viral Illnesses Service and Division of Hematology, McGill University, Montréal, Canada
| | - Barbara Kalsdorf
- Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany
| | - Christoph Lange
- Clinical Infectious Diseases, Research Center Borstel, Borstel, Germany
| | - Jean-Pierre Routy
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
| | - Luis B Barreiro
- Department of Medicine, University of Chicago, Chicago, United States of America
| | - Erwin Schurr
- Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada
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21
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Blanco FC, Gravisaco MJ, Bigi MM, García EA, Marquez C, McNeil M, Jackson M, Bigi F. Identifying Bacterial and Host Factors Involved in the Interaction of Mycobacterium bovis with the Bovine Innate Immune Cells. Front Immunol 2021; 12:674643. [PMID: 34335572 PMCID: PMC8319915 DOI: 10.3389/fimmu.2021.674643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/28/2021] [Indexed: 11/13/2022] Open
Abstract
Bovine tuberculosis is an important animal and zoonotic disease caused by Mycobacterium bovis. The innate immune response is the first line of defense against pathogens and is also crucial for the development of an efficient adaptive immune response. In this study we used an in vitro co-culture model of antigen presenting cells (APC) and autologous lymphocytes derived from peripheral blood mononuclear cells to identify the cell populations and immune mediators that participate in the development of an efficient innate response capable of controlling the intracellular replication of M. bovis. After M. bovis infection, bovine immune cell cultures displayed upregulated levels of iNOS, IL-22 and IFN-γ and the induction of the innate immune response was dependent on the presence of differentiated APC. Among the analyzed M. bovis isolates, only a live virulent M. bovis isolate induced an efficient innate immune response, which was increased upon stimulation of cell co-cultures with the M. bovis culture supernatant. Moreover, we demonstrated that an allelic variation of the early secreted protein ESAT-6 (ESAT6 T63A) expressed in the virulent strain is involved in this increased innate immune response. These results highlight the relevance of the compounds secreted by live M. bovis as well as the variability among the assessed M. bovis strains to induce an efficient innate immune response.
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Affiliation(s)
- Federico Carlos Blanco
- (Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria) Institute of Biotechnology, National Institute of Agricultural Technology (INTA), Buenos Aires, Argentina
- (Consejo Nacional de Investigaciones Científicas y Tecnológicas) National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - María José Gravisaco
- (Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria) Institute of Biotechnology, National Institute of Agricultural Technology (INTA), Buenos Aires, Argentina
| | - María Mercedes Bigi
- (Facultad de Agronomía, Universidad de Buenos Aires) School of Agronomy, University of Buenos Aires (UBA), Buenos Aires, Argentina
| | - Elizabeth Andrea García
- (Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria) Institute of Biotechnology, National Institute of Agricultural Technology (INTA), Buenos Aires, Argentina
| | - Cecilia Marquez
- High Technology Analytical Centre, Laboratory, Buenos Aires, Argentina
| | - Mike McNeil
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Mary Jackson
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Fabiana Bigi
- (Instituto de Biotecnología, Instituto Nacional de Tecnología Agropecuaria) Institute of Biotechnology, National Institute of Agricultural Technology (INTA), Buenos Aires, Argentina
- (Consejo Nacional de Investigaciones Científicas y Tecnológicas) National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
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22
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Naqvi KF, Huante MB, Saito TB, Endsley MA, Gelman BB, Endsley JJ. Novel Role for Macrophage Galactose-Type Lectin-1 to Regulate Innate Immunity against Mycobacterium tuberculosis. THE JOURNAL OF IMMUNOLOGY 2021; 207:221-233. [PMID: 34183369 DOI: 10.4049/jimmunol.2001276] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 04/27/2021] [Indexed: 01/01/2023]
Abstract
Tuberculosis (TB) caused by infection with Mycobacterium tuberculosis is characterized by inflammatory pathology and poorly understood mechanisms of innate immunity. Pattern recognition receptors, expressed on the surface of macrophages, determine the balance of inflammatory and antimicrobial functions that influence disease outcome. Carbohydrate moieties displayed by mycobacteria can serve as pattern recognition receptor ligands for some members of the C-type lectin receptor (CLR) family, interactions that mediate a variety of incompletely understood immune outcomes. This work identifies a novel role for the CLR macrophage galactose-type lectin (MGL)-1 in a mouse model (C57BL/6 and MGL-1-/-) of experimental TB. Murine macrophages upregulated MGL-1 following in vitro exposure to M. tuberculosis, whereas MGL+ cells accumulated at sites of mycobacteria-driven inflammation in the lung. Pulmonary macrophages from MGL-1-deficient mice displayed increased production of proinflammatory cytokines (IL-1β, IL-6, and IFN-γ) that were associated with greater lipid accumulation, following M. tuberculosis infection. Surprisingly, for a CLR, we also observed MGL-1-dependent antimycobacterial activity as evidenced by greater M. tuberculosis proliferation in bone marrow-derived macrophages, and the lung, of MGL-1-deficient mice. Differential transcriptome analysis further revealed that loss of MGL-1 perturbs the activation of various genes involved in the regulation of inflammation and lipid metabolism in the setting of M. tuberculosis infection. These results identify MGL-1 signaling as an important mechanism that regulates innate immunity against M. tuberculosis and indicates the potential for the MGL pathway as a novel therapeutic target for anti-TB immunity.
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Affiliation(s)
- Kubra F Naqvi
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Matthew B Huante
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Tais B Saito
- Department of Pathology, University of Texas Medical Branch, Galveston, TX
| | - Mark A Endsley
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
| | - Benjamin B Gelman
- Department of Pathology, University of Texas Medical Branch, Galveston, TX
| | - Janice J Endsley
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX; and
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23
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Li Z, Bratlie KM. The Influence of Polysaccharides-Based Material on Macrophage Phenotypes. Macromol Biosci 2021; 21:e2100031. [PMID: 33969643 DOI: 10.1002/mabi.202100031] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Indexed: 02/03/2023]
Abstract
Macrophage polarization is a key factor in determining the success of implanted tissue engineering scaffolds. Polysaccharides (derived from plants, animals, and microorganisms) are known to modulate macrophage phenotypes by recognizing cell membrane receptors. Numerous studies have developed polysaccharide-based materials into functional biomaterial substrates for tissue regeneration and pharmaceutical application due to their immunostimulatory activities and anti-inflammatory response. They are used as hydrogel substrates, surface coatings, and drug delivery carriers. In addition to their innate immunological functions, the newly endowed physical and chemical properties, including substrate modulus, pore size/porosity, surface binding chemistry, and the mole ratio of polysaccharides in hybrid materials may regulate macrophage phenotypes more precisely. Growing evidence indicates that the sulfation pattern of glycosaminoglycans and proteoglycans expressed on polarized macrophages leads to the changes in protein binding, which may alter macrophage phenotype and influence the immune response. A comprehensive understanding of how different types of polysaccharide-based materials alter macrophage phenotypic changes can be beneficial to predict transplantation/implantation outcomes. This review focuses on recent advances in promoting wound healing and balancing macrophage phenotypes using polysaccharide-based substrates/coatings and new directions to address the limitations in the current understanding of macrophage responses to polysaccharides.
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Affiliation(s)
- Zhuqing Li
- Department of Materials Science & Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Kaitlin M Bratlie
- Department of Materials Science & Engineering, Iowa State University, Ames, IA, 50011, USA.,Department of Chemical & Biological Engineering, Iowa State University, Ames, IA, 50011, USA
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24
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Fu YL, Harrison RE. Microbial Phagocytic Receptors and Their Potential Involvement in Cytokine Induction in Macrophages. Front Immunol 2021; 12:662063. [PMID: 33995386 PMCID: PMC8117099 DOI: 10.3389/fimmu.2021.662063] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 03/30/2021] [Indexed: 11/13/2022] Open
Abstract
Phagocytosis is an essential process for the uptake of large (>0.5 µm) particulate matter including microbes and dying cells. Specialized cells in the body perform phagocytosis which is enabled by cell surface receptors that recognize and bind target cells. Professional phagocytes play a prominent role in innate immunity and include macrophages, neutrophils and dendritic cells. These cells display a repertoire of phagocytic receptors that engage the target cells directly, or indirectly via opsonins, to mediate binding and internalization of the target into a phagosome. Phagosome maturation then proceeds to cause destruction and recycling of the phagosome contents. Key subsequent events include antigen presentation and cytokine production to alert and recruit cells involved in the adaptive immune response. Bridging the innate and adaptive immunity, macrophages secrete a broad selection of inflammatory mediators to orchestrate the type and magnitude of an inflammatory response. This review will focus on cytokines produced by NF-κB signaling which is activated by extracellular ligands and serves a master regulator of the inflammatory response to microbes. Macrophages secrete pro-inflammatory cytokines including TNFα, IL1β, IL6, IL8 and IL12 which together increases vascular permeability and promotes recruitment of other immune cells. The major anti-inflammatory cytokines produced by macrophages include IL10 and TGFβ which act to suppress inflammatory gene expression in macrophages and other immune cells. Typically, macrophage cytokines are synthesized, trafficked intracellularly and released in response to activation of pattern recognition receptors (PRRs) or inflammasomes. Direct evidence linking the event of phagocytosis to cytokine production in macrophages is lacking. This review will focus on cytokine output after engagement of macrophage phagocytic receptors by particulate microbial targets. Microbial receptors include the PRRs: Toll-like receptors (TLRs), scavenger receptors (SRs), C-type lectin and the opsonic receptors. Our current understanding of how macrophage receptor stimulation impacts cytokine production is largely based on work utilizing soluble ligands that are destined for endocytosis. We will instead focus this review on research examining receptor ligation during uptake of particulate microbes and how this complex internalization process may influence inflammatory cytokine production in macrophages.
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Affiliation(s)
- Yan Lin Fu
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, ON, Canada
| | - Rene E. Harrison
- Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
- Department of Biological Sciences, University of Toronto Scarborough, Toronto, ON, Canada
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25
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FasL regulatory B-cells during Mycobacterium tuberculosis infection and TB disease. J Mol Biol 2021; 433:166984. [PMID: 33845087 DOI: 10.1016/j.jmb.2021.166984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 11/20/2022]
Abstract
Tuberculosis (TB) disease remains a major health crisis. Infection with Mycobacterium tuberculosis (M.tb) cause a range of diseases ranging from latent infection to active TB disease. This active state of the disease is characterised by the formation of granulomas (a physical barrier in the lung), a structure thought to protect the host by controlling the infection through preventing the growth of the bacilli. Subsequently, the surviving bacteria become inactive and in most cases, TB reactivation is prevented by the immune response of the host. B-cells perform numerous immunological functions beyond antibody production to positively regulate the response to pathogenic assault. A subgroup of B-cells with regulatory functions express death-inducing ligands, such as Fas ligand (FasL). Expression and interaction of the Fas receptor-ligand promotes the induction of apoptosis and the induction of T-cell tolerance. Here, we focus on the significance of B-cells by addressing their FasL phenotype and regulatory functions during TB, with reference to disease in humans, non-human primates and mice.
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26
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Wu BC, Olivia NA, Tembo JM, He YX, Zhang YM, Xue Y, Ye CL, Lv Y, Li WJ, Jiang LY, Huo XX, Sun ZY, Chen ZJ, Qin JC, Li AY, Park CG, Klena JD, Ding HH, Chen T. Loss of the virulence plasmid by Shigella sonnei promotes its interactions with CD207 and CD209 receptors. J Med Microbiol 2021; 70:001297. [PMID: 33591245 PMCID: PMC8346720 DOI: 10.1099/jmm.0.001297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 11/29/2020] [Indexed: 01/24/2023] Open
Abstract
Introduction. Shigella sonnei, the cause of bacillary dysentery, belongs to Gram-negative enteropathogenic bacteria. S. sonnei contains a 210 kb virulence plasmid that encodes an O-antigen gene cluster of LPSs. However, this virulence plasmid is frequently lost during replication. It is well-documented that after losing the O-antigen and becoming rough strains, the Gram-negative bacteria may express an LPS core on its surface. Previous studies have suggested that by using the LPS core, Gram-negative bacteria can interact with several C-type lectin receptors that are expressed on antigen-presenting cells (APCs).Hypothesis/Gap Statement. S. sonnei by losing the virulence plasmid may hijack APCs via the interactions of LPS-CD209/CD207.Aim. This study aimed to investigate if the S. sonnei rough strain, by losing the virulence plasmid, interacted with APCs that express C-type lectins of human CD207, human CD209a and mouse CD209b.Methodology. SDS-PAGE silver staining was used to examine the O-antigen expression of S. sonnei WT and its rough strain. Invasion assays and inhibition assays were used to examine the ability of S. sonnei WT and its rough strain to invade APCs and investigate whether CD209 and CD207 are receptors for phagocytosis of rough S. sonnei. Animal assays were used to observe the dissemination of S. sonnei.Results. S. sonnei did not express O-antigens after losing the virulence plasmid. The S. sonnei rough strain invades with APCs, including human dendritic cells (DCs) and mouse macrophages. CD209 and CD207 are receptors for phagocytosis of rough S. sonnei. Expression of the O-antigen reduces the ability of the S. sonnei rough strain to be disseminated to mesenteric lymph nodes and spleens.Conclusion. This work demonstrated that S. sonnei rough strains - by losing the virulence plasmid - invaded APCs through interactions with CD209 and CD207 receptors.
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Affiliation(s)
- Bi-cong Wu
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
- Henan Provincial Center for Disease Control and Prevention, Zhengzhou, Henan, PR China
| | - Njiri A. Olivia
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
- Department of Biological Sciences, Faculty of Science, Engineering and Technology, Chuka University, 109-60400, Kenya
| | - John Mambwe Tembo
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
- Department of Paediatrics & Child Health, the University of Zambia – University College London Medical School at Zambia, Lusaka, Zambia
| | - Ying-xia He
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
- Clinical Research Center, Wuhan Pulmonary Hospital, Wuhan, Hubei, PR China
| | - Ying-miao Zhang
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
- Department of Clinical Laboratory, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Ying Xue
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Cheng-lin Ye
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Yin Lv
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Wen-jin Li
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Ling-Yu Jiang
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Xi-xiang Huo
- Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, PR China
| | - Zi-yong Sun
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Zhong-ju Chen
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Ji-chao Qin
- Key Laboratory of Hepatobiliary Surgery and Department of Hepatobiliary Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - An-yi Li
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Chae Gyu Park
- Laboratory of Immunology, Brain Korea 21 PLUS Project for Medical Science, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - John D. Klena
- Centers for Disease Control and Prevention, Atlanta, GE, USA
| | - Hong-hui Ding
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
| | - Tie Chen
- Department of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, Hubei, PR China
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27
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Allué-Guardia A, García JI, Torrelles JB. Evolution of Drug-Resistant Mycobacterium tuberculosis Strains and Their Adaptation to the Human Lung Environment. Front Microbiol 2021; 12:612675. [PMID: 33613483 PMCID: PMC7889510 DOI: 10.3389/fmicb.2021.612675] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
In the last two decades, multi (MDR), extensively (XDR), extremely (XXDR) and total (TDR) drug-resistant Mycobacterium tuberculosis (M.tb) strains have emerged as a threat to public health worldwide, stressing the need to develop new tuberculosis (TB) prevention and treatment strategies. It is estimated that in the next 35 years, drug-resistant TB will kill around 75 million people and cost the global economy $16.7 trillion. Indeed, the COVID-19 pandemic alone may contribute with the development of 6.3 million new TB cases due to lack of resources and enforced confinement in TB endemic areas. Evolution of drug-resistant M.tb depends on numerous factors, such as bacterial fitness, strain's genetic background and its capacity to adapt to the surrounding environment, as well as host-specific and environmental factors. Whole-genome transcriptomics and genome-wide association studies in recent years have shed some insights into the complexity of M.tb drug resistance and have provided a better understanding of its underlying molecular mechanisms. In this review, we will discuss M.tb phenotypic and genotypic changes driving resistance, including changes in cell envelope components, as well as recently described intrinsic and extrinsic factors promoting resistance emergence and transmission. We will further explore how drug-resistant M.tb adapts differently than drug-susceptible strains to the lung environment at the cellular level, modulating M.tb-host interactions and disease outcome, and novel next generation sequencing (NGS) strategies to study drug-resistant TB.
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Affiliation(s)
- Anna Allué-Guardia
- Population Health Program, Tuberculosis Group, Texas Biomedical Research Institute, San Antonio, TX, United States
| | | | - Jordi B. Torrelles
- Population Health Program, Tuberculosis Group, Texas Biomedical Research Institute, San Antonio, TX, United States
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28
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Innate Immune Pattern Recognition Receptors of Mycobacterium tuberculosis: Nature and Consequences for Pathogenesis of Tuberculosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1313:179-215. [PMID: 34661896 DOI: 10.1007/978-3-030-67452-6_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Innate immunity against Mycobacterium tuberculosis is a critical early response to prevent the establishment of the infection. Despite recent advances in understanding the host-pathogen dialogue in the early stages of tuberculosis (TB), much has yet to be learnt. The nature and consequences of this dialogue ultimately determine the path of infection: namely, either early clearance of M. tuberculosis, or establishment of M. tuberculosis infection leading to active TB disease and/or latent TB infection. On the frontline in innate immunity are pattern recognition receptors (PRRs), with soluble factors (e.g. collectins and complement) and cell surface factors (e.g. Toll-like receptors and other C-type lectin receptors (Dectin 1/2, Nod-like receptors, DC-SIGN, Mincle, mannose receptor, and MCL) that play a central role in recognising M. tuberculosis and facilitating its clearance. However, in a 'double-edged sword' scenario, these factors can also be involved in enhancement of pathogenesis as well. Furthermore, innate immunity is also a critical bridge in establishing the subsequent adaptive immune response, which is also responsible for granuloma formation that cordons off M. tuberculosis infection, establishing latency and acting as a reservoir for bacterial persistence and dissemination of future disease. This chapter discusses the current understanding of pattern recognition of M. tuberculosis by innate immunity and the role this plays in the pathogenesis and protection against TB.
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The Role of Glycosylation in Inflammatory Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1325:265-283. [PMID: 34495540 DOI: 10.1007/978-3-030-70115-4_13] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The diversity of glycan presentation in a cell, tissue and organism is enormous, which reflects the huge amount of important biological information encoded by the glycome which has not been fully understood. A compelling body of evidence has been highlighting the fundamental role of glycans in immunity, such as in development, and in major inflammatory processes such as inflammatory bowel disease, systemic lupus erythematosus and other autoimmune disorders. Glycans play an instrumental role in the immune response, integrating the canonical circuits that regulate innate and adaptive immune responses. The relevance of glycosylation in immunity is demonstrated by the role of glycans as important danger-associated molecular patterns and pathogen-associated molecular patterns associated with the discrimination between self and non-self; also as important regulators of the threshold of T cell activation, modulating receptors signalling and the activity of both T and other immune cells. In addition, glycans are important determinants that regulate the dynamic crosstalk between the microbiome and immune response. In this chapter, the essential role of glycans in the immunopathogenesis of inflammatory disorders will be presented and its potential clinical applications (diagnosis, prognosis and therapeutics) will be highlighted.
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Severe Acute Respiratory Syndrome Coronavirus 2: The Role of the Main Components of the Innate Immune System. Inflammation 2021; 44:2151-2169. [PMID: 34524614 PMCID: PMC8442517 DOI: 10.1007/s10753-021-01519-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 06/08/2021] [Accepted: 07/08/2021] [Indexed: 02/08/2023]
Abstract
At the end of December 2019, the COVID-19 pandemic began in Wuhan of China. COVID-19 affects different people with a wide spectrum of clinical manifestations, ranging from asymptomatic with recovery without hospitalization up to a severe acute respiratory syndrome (SARS). The innate and adaptive immunity appears responsible for the defense against the virus and recovery from the disease. The innate immune system, as the first line of defense, is essential for the detection of virus and subsequent activation of acquired immunity. The innate immune response is carried out by sentinel cells such as monocytes/macrophages and dendritic cells and by receptors known as pattern recognition receptors (PRR). These receptors can recognize various components of the virus, which lead to intracellular signaling and subsequently the synthesis of various cytokines. These cytokines then recruit other immune cells, activate adaptive immune responses, and inhibit viral spreading. The most common receptors include Toll-like receptors, C-type lectin receptors, and RIG-I like receptors. This review describes the current knowledge about the interplay between innate immune responses and SARS-CoV-2 with a focus on the innate immune cells and the role of their receptors in viral RNA recognition, as well as their mechanisms for recognizing SARS-CoV-2.
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Mastrangeli R, Audino MC, Palinsky W, Broly H, Bierau H. The Formidable Challenge of Controlling High Mannose-Type N-Glycans in Therapeutic mAbs. Trends Biotechnol 2020; 38:1154-1168. [DOI: 10.1016/j.tibtech.2020.05.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 02/08/2023]
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Cheah JUJ, Low HB, Zhang Y, Yong Kah JC. Light-independent M1 macrophage polarization by photosensitizer-loaded protein corona on gold nanorods. Nanomedicine (Lond) 2020; 15:2329-2344. [PMID: 32945247 DOI: 10.2217/nnm-2020-0249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To establish a light-independent functionality of gold nanorods (AuNRs) with a human serum (HS) protein corona loaded with photosensitizer Chlorin e6 (AuNR-HS-Ce6) in M1 polarization of macrophages. Methods: RT-qPCR and ELISA were used to determine gene and protein expression, respectively. Uptake of AuNR-HS-Ce6 was determined via flow cytometry, inductively coupled plasma mass spectrometry and fluorescence microscopy. Cell viability was determined using PrestoBlue® cell viability assay. Results: An increase in M1 gene and protein expression was observed in AuNR-HS-Ce6-treated macrophages. Delivery of high Ce6 payload via AuNR-HS-Ce6 was the primary contributor toward M1 polarization. Finally, DLD-1 cells treated with conditioned media from AuNR-HS-Ce6-treated macrophages showed significantly reduced proliferation. Conclusion: Our study suggests an immunomodulatory potential of Ce6 in inducing light-independent M1 polarization outside of its role as a photosensitizer.
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Affiliation(s)
- Joshua U-Jin Cheah
- NUS Graduate School for Integrative Sciences & Engineering, National University of Singapore, 21 Lower Kent Ridge, University Hall, Tan Chin Tuan Wing, #04-02, 119077, Singapore
| | - Heng Boon Low
- Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Blk MD4, Level 3, 117545, Singapore.,Immunology Programme, Life Sciences Institute, National University of Singapore, 28 Medical Drive, Centre for Life Sciences, Level 3, 117456, Singapore
| | - Yongliang Zhang
- Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Blk MD4, Level 3, 117545, Singapore.,Immunology Programme, Life Sciences Institute, National University of Singapore, 28 Medical Drive, Centre for Life Sciences, Level 3, 117456, Singapore
| | - James Chen Yong Kah
- NUS Graduate School for Integrative Sciences & Engineering, National University of Singapore, 21 Lower Kent Ridge, University Hall, Tan Chin Tuan Wing, #04-02, 119077, Singapore.,Department of Biomedical Engineering, National University of Singapore, 4 Engineering Drive 3, Blk E4, #04-08, 117583, Singapore
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Naqvi KF, Endsley JJ. Myeloid C-Type Lectin Receptors in Tuberculosis and HIV Immunity: Insights Into Co-infection? Front Cell Infect Microbiol 2020; 10:263. [PMID: 32582566 PMCID: PMC7283559 DOI: 10.3389/fcimb.2020.00263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 05/04/2020] [Indexed: 12/11/2022] Open
Abstract
C-type lectin receptors (CLRs) are carbohydrate binding pattern recognition receptors (PRRs) which play a central role in host recognition of pathogenic microorganisms. Signaling through CLRs displayed on antigen presenting cells dictates important innate and adaptive immune responses. Several pathogens have evolved mechanisms to exploit the receptors or signaling pathways of the CLR system to gain entry or propagate in host cells. CLR responses to high priority pathogens such as Mycobacterium tuberculosis (Mtb), HIV, Ebola, and others are described and considered potential avenues for therapeutic intervention. Mtb and HIV are the leading causes of death due to infectious disease and have a synergistic relationship that further promotes aggressive disease in co-infected persons. Immune recognition through CLRs and other PRRs are important determinants of disease outcomes for both TB and HIV. Investigations of CLR responses to Mtb and HIV, to date, have primarily focused on single infection outcomes and do not account for the potential effects of co-infection. This review will focus on CLRs recognition of Mtb and HIV motifs. We will describe their respective roles in protective immunity and immune evasion or exploitation, as well as their potential as genetic determinants of disease susceptibility, and as avenues for development of therapeutic interventions. The potential convergence of CLR-driven responses of the innate and adaptive immune systems in the setting of Mtb and HIV co-infection will further be discussed relevant to disease pathogenesis and development of clinical interventions.
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Affiliation(s)
- Kubra F Naqvi
- Department of Microbiology and Immunology, The University of Texas Medical Branch, Galveston, TX, United States
| | - Janice J Endsley
- Department of Microbiology and Immunology, The University of Texas Medical Branch, Galveston, TX, United States
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Dupont M, Souriant S, Balboa L, Vu Manh TP, Pingris K, Rousset S, Cougoule C, Rombouts Y, Poincloux R, Ben Neji M, Allers C, Kaushal D, Kuroda MJ, Benet S, Martinez-Picado J, Izquierdo-Useros N, Sasiain MDC, Maridonneau-Parini I, Neyrolles O, Vérollet C, Lugo-Villarino G. Tuberculosis-associated IFN-I induces Siglec-1 on tunneling nanotubes and favors HIV-1 spread in macrophages. eLife 2020; 9:52535. [PMID: 32223897 PMCID: PMC7173963 DOI: 10.7554/elife.52535] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 03/30/2020] [Indexed: 12/20/2022] Open
Abstract
While tuberculosis (TB) is a risk factor in HIV-1-infected individuals, the mechanisms by which Mycobacterium tuberculosis (Mtb) worsens HIV-1 pathogenesis remain scarce. We showed that HIV-1 infection is exacerbated in macrophages exposed to TB-associated microenvironments due to tunneling nanotube (TNT) formation. To identify molecular factors associated with TNT function, we performed a transcriptomic analysis in these macrophages, and revealed the up-regulation of Siglec-1 receptor. Siglec-1 expression depends on Mtb-induced production of type I interferon (IFN-I). In co-infected non-human primates, Siglec-1 is highly expressed by alveolar macrophages, whose abundance correlates with pathology and activation of IFN-I/STAT1 pathway. Siglec-1 localizes mainly on microtubule-containing TNT that are long and carry HIV-1 cargo. Siglec-1 depletion decreases TNT length, diminishes HIV-1 capture and cell-to-cell transfer, and abrogates the exacerbation of HIV-1 infection induced by Mtb. Altogether, we uncover a deleterious role for Siglec-1 in TB-HIV-1 co-infection and open new avenues to understand TNT biology.
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Affiliation(s)
- Maeva Dupont
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Shanti Souriant
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Luciana Balboa
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | | | - Karine Pingris
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Stella Rousset
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Céline Cougoule
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Yoann Rombouts
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Myriam Ben Neji
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Carolina Allers
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Deepak Kaushal
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Marcelo J Kuroda
- Tulane National Primate Research Center, Department of Microbiology and Immunology, School of Medicine, Tulane University, Covington, United States
| | - Susana Benet
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Javier Martinez-Picado
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,University of Vic-Central University of Catalonia (UVic-UCC), Vic, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Barcelona, Spain
| | - Nuria Izquierdo-Useros
- IrsiCaixa AIDS Research Institute, Department of Retrovirology, Badalona, Spain.,Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Spain
| | - Maria Del Carmen Sasiain
- International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France.,Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | - Isabelle Maridonneau-Parini
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Christel Vérollet
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institut de Pharmacologie et Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France.,International associated laboratory (LIA) CNRS 'IM-TB/HIV', Toulouse, France
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Bacterial glycans and their interactions with lectins in the innate immune system. Biochem Soc Trans 2020; 47:1569-1579. [PMID: 31724699 DOI: 10.1042/bst20170410] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/21/2019] [Accepted: 10/22/2019] [Indexed: 02/07/2023]
Abstract
Bacterial surfaces are rich in glycoconjugates that are mainly present in their outer layers and are of great importance for their interaction with the host innate immune system. The innate immune system is the first barrier against infection and recognizes pathogens via conserved pattern recognition receptors (PRRs). Lectins expressed by innate immune cells represent an important class of PRRs characterized by their ability to recognize carbohydrates. Among lectins in innate immunity, there are three major classes including the galectins, siglecs, and C-type lectin receptors. These lectins may contribute to initial recognition of bacterial glycans, thus providing an early defence mechanism against bacterial infections, but they may also be exploited by bacteria to escape immune responses. In this review, we will first exemplify bacterial glycosylation systems; we will then describe modes of recognition of bacterial glycans by lectins in innate immunity and, finally, we will briefly highlight how bacteria have found ways to exploit these interactions to evade immune recognition.
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Hu B, Wang Z, Zeng H, Qi Y, Chen Y, Wang T, Wang J, Chang Y, Bai Q, Xia Y, Wang Y, Liu L, Zhu Y, Dai B, Guo J, Xu L, Zhang W, Xu J. Blockade of DC-SIGN + Tumor-Associated Macrophages Reactivates Antitumor Immunity and Improves Immunotherapy in Muscle-Invasive Bladder Cancer. Cancer Res 2020; 80:1707-1719. [PMID: 32060149 DOI: 10.1158/0008-5472.can-19-2254] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 01/06/2020] [Accepted: 02/10/2020] [Indexed: 12/24/2022]
Abstract
Tumor-associated macrophages (TAM) play an indispensable role in the modulation of the cancer immune microenvironment. Despite the fact that TAMs may exert both antitumor and protumor activities, the molecular mechanisms involved remain poorly understood. Here, we characterized a subpopulation of TAMs expressing dendritic cell-specific C-type lectin (DC-SIGN) and investigated its relevance to the prognosis and immune microenvironment of muscle-invasive bladder cancer (MIBC). DC-SIGN+ TAMs were abundant in a significant proportion of human MIBC specimens. High levels of DC-SIGN+ TAMs were associated with dismal prognosis and unresponsiveness to adjuvant chemotherapy in MIBC. Notably, multiple anti-inflammatory cytokines were enriched in DC-SIGN+ TAMs. RNA-seq analysis revealed that multiple M2-like signaling pathways were significantly upregulated in DC-SIGN+ TAMs. High infiltration of DC-SIGN+ TAMs was associated with CD8+ T-cell tolerance in MIBC. Moreover, abrogating DC-SIGN function using a neutralizing antibody led to impaired expression of anti-inflammatory cytokines and augmented PD-1 inhibitor pembrolizumab-mediated cytotoxic effects of CD8+T cells toward MIBC cells. In summary, these results suggest that DC-SIGN+ TAM infiltration is closely linked to a protumor immune microenvironment and may serve as a promising therapeutic target in the immunotherapy of MIBC. SIGNIFICANCE: DC-SIGN+ TAMs have an immunosuppressive and tumor-promoting function and may serve as a prognostic indicator and therapeutic target in MIBC.
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Affiliation(s)
- Baoying Hu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Basic Medical Research Center, School of Medicine, Nantong University, Nantong, China
| | - Zewei Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Han Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yangyang Qi
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yifan Chen
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Tao Wang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiajun Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuan Chang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Qi Bai
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu Xia
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yiwei Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Liu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Bo Dai
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jianming Guo
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Le Xu
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Weijuan Zhang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jiejie Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
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Ye XC, Hao Q, Ma WJ, Zhao QC, Wang WW, Yin HH, Zhang T, Wang M, Zan K, Yang XX, Zhang ZH, Shi HJ, Zu J, Raza HK, Zhang XL, Geng DQ, Hu JX, Cui GY. Dectin-1/Syk signaling triggers neuroinflammation after ischemic stroke in mice. J Neuroinflammation 2020; 17:17. [PMID: 31926564 PMCID: PMC6954534 DOI: 10.1186/s12974-019-1693-z] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 12/26/2019] [Indexed: 12/13/2022] Open
Abstract
Background Dendritic cell-associated C-type lectin-1 (Dectin-1) receptor has been reported to be involved in neuroinflammation in Alzheimer’s disease and traumatic brain injury. The present study was designed to investigate the role of Dectin-1 and its downstream target spleen tyrosine kinase (Syk) in early brain injury after ischemic stroke using a focal cortex ischemic stroke model. Methods Adult male C57BL/6 J mice were subjected to a cerebral focal ischemia model of ischemic stroke. The neurological score, adhesive removal test, and foot-fault test were evaluated on days 1, 3, 5, and 7 after ischemic stroke. Dectin-1, Syk, phosphorylated (p)-Syk, tumor necrosis factor-α (TNF-α), and inducible nitric oxide synthase (iNOS) expression was analyzed via western blotting in ischemic brain tissue after ischemic stroke and in BV2 microglial cells subjected to oxygen-glucose deprivation/reoxygenation (OGD/R) injury in vitro. The brain infarct volume and Iba1-positive cells were evaluated using Nissl’s and immunofluorescence staining, respectively. The Dectin-1 antagonist laminarin (LAM) and a selective inhibitor of Syk phosphorylation (piceatannol; PIC) were used for the intervention. Results Dectin-1, Syk, and p-Syk expression was significantly enhanced on days 3, 5, and 7 and peaked on day 3 after ischemic stroke. The Dectin-1 antagonist LAM or Syk inhibitor PIC decreased the number of Iba1-positive cells and TNF-α and iNOS expression, decreased the brain infarct volume, and improved neurological functions on day 3 after ischemic stroke. In addition, the in vitro data revealed that Dectin-1, Syk, and p-Syk expression was increased following the 3-h OGD and 0, 3, and 6 h of reperfusion in BV2 microglial cells. LAM and PIC also decreased TNF-α and iNOS expression 3 h after OGD/R induction. Conclusion Dectin-1/Syk signaling plays a crucial role in inflammatory activation after ischemic stroke, and further investigation of Dectin-1/Syk signaling in stroke is warranted.
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Affiliation(s)
- Xin-Chun Ye
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China.
| | - Qi Hao
- Department of Neurology, Second Affiliated Hospital of Xuzhou Medical University, Xuzhou, Xuzhou, People's Republic of China
| | - Wei-Jing Ma
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Qiu-Chen Zhao
- Department of Neurology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, People's Republic of China
| | - Wei-Wei Wang
- Department of Rehabilitation Medicine, Linyi Cancer Hospital, Shandong, People's Republic of China
| | - Han-Han Yin
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Tao Zhang
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Miao Wang
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Kun Zan
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Xin-Xin Yang
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Zuo-Hui Zhang
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Hong-Juan Shi
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Jie Zu
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Hafiz Khuram Raza
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Xue-Ling Zhang
- Department of Neurology, Suqian People's Hospital of Nanjing Drum tower Hospital Group, Suqian, Jiangsu, People's Republic of China
| | - De-Qin Geng
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Jin-Xia Hu
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China.
| | - Gui-Yun Cui
- Institute of Stroke Center and Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou, People's Republic of China.
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Abstract
The respiratory tract is tasked with responding to a constant and vast influx of foreign agents. It acts as an important first line of defense in the innate immune system and as such plays a crucial role in preventing the entry of invading pathogens. While physical barriers like the mucociliary escalator exert their effects through the clearance of these pathogens, diverse and dynamic cellular mechanisms exist for the activation of the innate immune response through the recognition of pathogen-associated molecular patterns (PAMPs). These PAMPs are recognized by pattern recognition receptors (PRRs) that are expressed on a number of myeloid cells such as dendritic cells, macrophages, and neutrophils found in the respiratory tract. C-type lectin receptors (CLRs) are PRRs that play a pivotal role in the innate immune response and its regulation to a variety of respiratory pathogens such as viruses, bacteria, and fungi. This chapter will describe the function of both activating and inhibiting myeloid CLRs in the recognition of a number of important respiratory pathogens as well as the signaling events initiated by these receptors.
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Xue Y, Tong L, LiuAnwei Liu F, Liu A, Zeng S, Xiong Q, Yang Z, He X, Sun Y, Xu C. Tumor‑infiltrating M2 macrophages driven by specific genomic alterations are associated with prognosis in bladder cancer. Oncol Rep 2019; 42:581-594. [PMID: 31233191 PMCID: PMC6610042 DOI: 10.3892/or.2019.7196] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 05/30/2019] [Indexed: 12/29/2022] Open
Abstract
The present study aimed to explore the mechanism by which the immune landscape of the tumor microenvironment influences bladder cancer. CIBERSORT and ssGSEA analyses revealed that M2 macrophages accounted for the highest proportion from 22 subsets of tumor‑infiltrating immune cells and were enriched in higher histologic grade and higher pathologic stage bladder cancer and 'basal' subtype of muscle invasive bladder cancer (MIBC). Kaplan‑Meier survival curve analysis indicated that patients with high numbers of infiltrating M2 macrophages had worse overall and disease‑specific survival rates. RNA sequencing and immunohistochemistry results indicated that M2 macrophages were enriched in MIBC and promoted angiogenesis. M2 macrophage infiltration was higher in bladder cancer tissues with mutant TP53, RB transcriptional corepressor 1, phosphatidylinositol‑4,5‑bisphosphate 3‑kinase catalytic subunit α, lysine methyltransferase 2A, lysine demethylase 6A and apolipoprotein B mRNA editing enzyme catalytic‑polypeptide‑like, but lower in tissues with mutant fibroblast growth factor receptor 3 (FGFR3), E74‑like ETS transcription factor 3, PC4 and SFRS1 interacting protein 1 and transmembrane and coiled‑coil domains 4. In addition, M2 macrophage infiltration was lower in the tissues with amplified FGFR3, erb‑b2 receptor tyrosine kinase 2, BCL2‑like 1, telomerase reverse transcriptase and tyrosine‑3‑monooxygenase/tryptophan‑5‑monooxygenase activation protein ζ, as well as in the tissues with deleted cyclin‑dependent kinase inhibitor 2A, CREB binding protein, AT‑rich interaction domain 1A, fragile histidine triad diadenosine triphosphatase, phosphodiesterase 4D, RAD51 paralog B, nuclear receptor corepressor 1 and protein tyrosine phosphatase receptor type D. Finally, seven micro (mi) RNAs (miR‑214‑5p, miR‑223‑3p, miR‑155‑5p, miR‑199a‑3p, miR‑199b‑3P, miR‑146b‑5p, miR‑142‑5p) which were expressed differentially in at least three mutant genes and were positively correlated with M2 macrophage infiltration as well as expressed highly in high grade bladder cancer were identified. Overall, the present study concluded that M2 macrophages are the predominant tumor‑infiltrating immune cell in bladder cancer and differentially expressed miRNAs due to cancer‑specific genomic alterations may be important drivers of M2 macrophage infiltration. These findings suggested that M2 macrophage infiltration may serve as a potential immunotherapy target in bladder cancer.
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Affiliation(s)
- Yongping Xue
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Liping Tong
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Fei LiuAnwei Liu
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Anwei Liu
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Shuxiong Zeng
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Qiao Xiong
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Zeyu Yang
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Xing He
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Yinghao Sun
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
| | - Chuanliang Xu
- Department of Urology, Changhai Hospital, Second Military Medical University, Shanghai 200433, P.R. China
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Jo EK, Silwal P, Yuk JM. AMPK-Targeted Effector Networks in Mycobacterial Infection. Front Microbiol 2019; 10:520. [PMID: 30930886 PMCID: PMC6429987 DOI: 10.3389/fmicb.2019.00520] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 02/28/2019] [Indexed: 12/22/2022] Open
Abstract
AMP-activated protein kinase (AMPK), a key metabolic regulator, plays an essential role in the maintenance of energy balance in response to stress. Tuberculosis (TB), primarily caused by the pathogen Mycobacterium tuberculosis (Mtb), remains one of the most important infectious diseases worldwide, characterized by both high incidence and mortality. Development of new preventive and therapeutic strategies against TB requires a profound understanding of the various host-pathogen interactions that occur during infection. Emerging data suggest that AMPK plays an essential regulatory role in host autophagy, mitochondrial biogenesis, metabolic reprogramming, fatty acid β-oxidation, and the control of pathologic inflammation in macrophages during Mtb infection. As described in this review, recent studies have begun to define the functional properties of AMPK modulators capable of restricting intracellular bacteria and promoting host defenses. Several host defense factors in the context of AMPK activation also participate in autophagic and non-autophagic pathways in a coordinated manner to enhance antimicrobial responses against Mtb infection. A better understanding of these AMPK-targeted effector networks offers significant potential for the development of novel therapeutics for human TB and other infectious diseases.
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Affiliation(s)
- Eun-Kyeong Jo
- Department of Microbiology, School of Medicine, Chungnam National University, Daejeon, South Korea
- Infection Control Convergence Research Center, School of Medicine, Chungnam National University, Daejeon, South Korea
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon, South Korea
| | - Prashanta Silwal
- Department of Microbiology, School of Medicine, Chungnam National University, Daejeon, South Korea
- Infection Control Convergence Research Center, School of Medicine, Chungnam National University, Daejeon, South Korea
| | - Jae-Min Yuk
- Infection Control Convergence Research Center, School of Medicine, Chungnam National University, Daejeon, South Korea
- Department of Medical Science, School of Medicine, Chungnam National University, Daejeon, South Korea
- Department of Infection Biology, School of Medicine, Chungnam National University, Daejeon, South Korea
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Murthy P, Ekeke CN, Russell KL, Butler SC, Wang Y, Luketich JD, Soloff AC, Dhupar R, Lotze MT. Making cold malignant pleural effusions hot: driving novel immunotherapies. Oncoimmunology 2019; 8:e1554969. [PMID: 30906651 PMCID: PMC6422374 DOI: 10.1080/2162402x.2018.1554969] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 11/20/2018] [Accepted: 11/27/2018] [Indexed: 12/26/2022] Open
Abstract
Malignant pleural effusions, arising from either primary mesotheliomas or secondary malignancies, heralds advanced disease and poor prognosis. Current treatments, including therapeutic thoracentesis and tube thoracostomy, are largely palliative. The immunosuppressive environment within the pleural cavity includes myeloid derived suppressor cells, T-regulatory cells, and dysfunctional T cells. The advent of effective immunotherapy with checkpoint inhibitors and adoptive cell therapies for lung cancer and other malignancies suggests a renewed examination of local and systemic therapies for this malady. Prior strategies reporting remarkable success, including instillation of the cytokine interleukin-2, perhaps coupled with checkpoint inhibitors, should be further evaluated in the modern era.
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Affiliation(s)
- Pranav Murthy
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Chigozirim N. Ekeke
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kira L. Russell
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Samuel C. Butler
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yue Wang
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - James D. Luketich
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Adam C. Soloff
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Rajeev Dhupar
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Surgery, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA, USA
| | - Michael T. Lotze
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, USA
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Chen WY, Wu SY, Lin TC, Lin SL, Wu-Hsieh BA. Human dendritic cell-specific ICAM-3-grabbing non-integrin downstream signaling alleviates renal fibrosis via Raf-1 activation in systemic candidiasis. Cell Mol Immunol 2018; 16:288-301. [PMID: 30127380 PMCID: PMC6460490 DOI: 10.1038/s41423-018-0161-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 07/12/2018] [Indexed: 02/01/2023] Open
Abstract
We generated a human dendritic cell-specific ICAM-3-grabbing non-integrin (DC-SIGN) transgenic mouse in which renal tubular epithelial cells expressed DC-SIGN. The transgenic mice were infected with Candida albicans intravenously to study how DC-SIGN expression affected the pathogenesis of systemic candidiasis. We discovered that, while C. albicans infection induced renal fibrosis in both transgenic and littermate control mice, the transgenic mice had significantly lower levels of Acta2, Col1a2, Col3a1, and Col4a1 mRNA transcripts compared to the controls. KIM-1, an emerging biomarker for kidney injury, along with Tnf, Il6, and Tgfb1 transcripts, were lower in infected transgenic mice, and yet, the levels of Il10 remained comparable to the controls. While renal CD45+ infiltrating cells were the source of Tnf, Il6, and Il10, LTL+ renal proximal tubular epithelial cells were TGF-β1 producers in both infected transgenic and littermate controls. DC-SIGN-expressing tubular epithelial cells produced less TGF-β1 in response to C. albicans infection. In vivo experiments demonstrated that renal proximal tubular epithelial cell production of TGF-β1 was key to C. albicans-induced renal fibrosis and injury. Infection of transgenic mice induced a marked increase of phosphorylated Raf-1 and p38 in the kidney. However, ERK1/2 and JNK phosphorylation was more pronounced in the infected-littermate controls. Interestingly, treating the infected transgenic mice with a Raf-1 inhibitor increased the levels of the Tgfb1, Kim1, and Acta2 transcripts. These results indicate that DC-SIGN signaling, through activation of Raf-1 and p38 and suppression of JNK and ERK1/2 phosphorylation, reduces TGF-β1 production and C. albicans-induced renal fibrosis. Our study reveals for the first time the effect of DC-SIGN expression on C. albicans-induced renal fibrosis.
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Affiliation(s)
- Wen-Yu Chen
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan, China
| | - Sheng-Yang Wu
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan, China
| | - Ta-Chun Lin
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan, China
| | - Shuei-Liong Lin
- Graduate Institute of Physiology, College of Medicine, National Taiwan University, Taipei, Taiwan, China
| | - Betty A Wu-Hsieh
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan, China.
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