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Wang J, Cao H, Xie Y, Xu Z, Li Y, Luo H. Mycobacterium tuberculosis infection induces a novel type of cell death: Ferroptosis. Biomed Pharmacother 2024; 177:117030. [PMID: 38917759 DOI: 10.1016/j.biopha.2024.117030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 06/27/2024] Open
Abstract
Ferroptosis is a lipid peroxidation-driven and iron-dependent form of programmed cell death, which is involved in a variety of physical processes and multiple diseases. Numerous reports have demonstrated that ferroptosis is closely related to the pathophysiological processes of Mycobacterium tuberculosis (M. tuberculosis) infection and is characterized by the accumulation of excess lipid peroxides on the cell membrane. In this study, the various functions of ferroptosis, and the therapeutic strategies and diagnostic biomarkers of tuberculosis, were summarized. Notably, this review provides insights into the molecular mechanisms and functions of M. tuberculosis-induced ferroptosis, suggesting potential future therapeutic and diagnostic markers for tuberculosis.
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Affiliation(s)
- Jianjun Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Hui Cao
- Department of Food and Nutrition Safety, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, PR China
| | - Yiping Xie
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Zi Xu
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Yujie Li
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Hao Luo
- Department of Clinical Laboratory, The Second People's Hospital of Kunshan, Suzhou, China.
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Peng Y, Tang T, Li Q, Zhou S, Sun Q, Zhou X, Zhu Y, Wang C, Bermudez LE, Liu H, Chen H, Guo A, Chen Y. Mycobacterium tuberculosis FadD18 Promotes Proinflammatory Cytokine Secretion to Inhibit the Intracellular Survival of Bacillus Calmette-Guérin. Cells 2024; 13:1019. [PMID: 38920649 PMCID: PMC11201411 DOI: 10.3390/cells13121019] [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: 04/14/2024] [Revised: 06/02/2024] [Accepted: 06/07/2024] [Indexed: 06/27/2024] Open
Abstract
Mycobacterium tuberculosis causes 6.4 million cases of tuberculosis and claims 1.6 million lives annually. Mycobacterial adhesion, invasion of host cells, and subsequent intracellular survival are crucial for the infection and dissemination process, yet the cellular mechanisms underlying these phenomena remain poorly understood. This study created a Bacillus Calmette-Guérin (BCG) transposon library using a MycomarT7 phage carrying a Himar1 Mariner transposon to identify genes related to mycobacteria adhesion and invasion. Using adhesion and invasion model screening, we found that the mutant strain B2909 lacked adhesion and invasion abilities because of an inactive fadD18 gene, which encodes a fatty-acyl CoA ligase, although the specific function of this gene remains unclear. To investigate the role of FadD18, we constructed a complementary strain and observed that fadD18 expression enhanced the colony size and promoted the formation of a stronger cord-like structure; FadD18 expression also inhibited BCG growth and reduced BCG intracellular survival in macrophages. Furthermore, FadD18 expression elevated levels of the proinflammatory cytokines IL-6, IL-1β, and TNF-α in infected macrophages by stimulating the NF-κB and MAPK signaling pathways. Overall, the FadD18 plays a key role in the adhesion and invasion abilities of mycobacteria while modulating the intracellular survival of BCG by influencing the production of proinflammatory cytokines.
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Affiliation(s)
- Yongchong Peng
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tian Tang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qianqian Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shiying Zhou
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qin Sun
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Xinjun Zhou
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yifan Zhu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Chao Wang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Luiz E. Bermudez
- Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331, USA
| | - Han Liu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Aizhen Guo
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yingyu Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
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Wright K, Han DJ, Song R, de Silva K, Plain KM, Purdie AC, Shepherd A, Chin M, Hortle E, Wong JJL, Britton WJ, Oehlers SH. Zebrafish tsc1 and cxcl12a increase susceptibility to mycobacterial infection. Life Sci Alliance 2024; 7:e202302523. [PMID: 38307625 PMCID: PMC10837051 DOI: 10.26508/lsa.202302523] [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: 12/13/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/04/2024] Open
Abstract
Regulation of host miRNA expression is a contested node that controls the host immune response to mycobacterial infection. The host must counter subversive efforts of pathogenic mycobacteria to launch a protective immune response. Here, we examine the role of miR-126 in the zebrafish-Mycobacterium marinum infection model and identify a protective role for infection-induced miR-126 through multiple effector pathways. We identified a putative link between miR-126 and the tsc1a and cxcl12a/ccl2/ccr2 signalling axes resulting in the suppression of non-tnfa expressing macrophage accumulation at early M. marinum granulomas. Mechanistically, we found a detrimental effect of tsc1a expression that renders zebrafish embryos susceptible to higher bacterial burden and increased cell death via mTOR inhibition. We found that macrophage recruitment driven by the cxcl12a/ccl2/ccr2 signalling axis was at the expense of the recruitment of classically activated tnfa-expressing macrophages and increased cell death around granulomas. Together, our results delineate putative pathways by which infection-induced miR-126 may shape an effective immune response to M. marinum infection in zebrafish embryos.
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Affiliation(s)
- Kathryn Wright
- https://ror.org/0384j8v12 Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Sydney, Australia
- https://ror.org/0384j8v12 Directed Evolution Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
| | - Darryl Jy Han
- https://ror.org/036wvzt09 A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Renhua Song
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Epigenetics and RNA Biology Laboratory, Charles Perkins Centre, The University of Sydney, Camperdown, Australia
| | - Kumudika de Silva
- https://ror.org/0384j8v12 Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Sydney, Australia
| | - Karren M Plain
- https://ror.org/0384j8v12 Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Sydney, Australia
| | - Auriol C Purdie
- https://ror.org/0384j8v12 Faculty of Science, Sydney School of Veterinary Science, The University of Sydney, Sydney, Australia
| | - Ava Shepherd
- https://ror.org/0384j8v12 Directed Evolution Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
| | - Maegan Chin
- https://ror.org/0384j8v12 Directed Evolution Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
| | - Elinor Hortle
- https://ror.org/0384j8v12 Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- Faculty of Science, School of Life Sciences, Centre for Inflammation and University of Technology Sydney, Sydney, Australia
| | - Justin J-L Wong
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Epigenetics and RNA Biology Laboratory, Charles Perkins Centre, The University of Sydney, Camperdown, Australia
| | - Warwick J Britton
- https://ror.org/0384j8v12 Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- Department of Clinical Immunology, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Stefan H Oehlers
- https://ror.org/0384j8v12 Tuberculosis Research Program at the Centenary Institute, The University of Sydney, Camperdown, Australia
- https://ror.org/0384j8v12 Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia
- https://ror.org/036wvzt09 A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
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Sigdel TK, Sur S, Boada P, McDermott SM, Arlehamn CSL, Murray KO, Bockenstedt LK, Kerwin M, Reed EF, Harris E, Stuart K, Peters B, Sesma A, Montgomery RR, Sarwal MM. Proteome Analysis for Inflammation Related to Acute and Convalescent Infection. Inflammation 2024; 47:346-362. [PMID: 37831367 PMCID: PMC10799112 DOI: 10.1007/s10753-023-01913-3] [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: 07/23/2023] [Revised: 08/30/2023] [Accepted: 09/24/2023] [Indexed: 10/14/2023]
Abstract
Infectious diseases are a significant burden in global healthcare. Pathogens engage with different host defense mechanisms. However, it is currently unknown if there are disease-specific immune signatures and/or if different pathogens elicit common immune-associated molecular entities to common therapeutic interventions. We studied patients enrolled through the Human Immunology Project Consortium (HIPC), which focuses on immune responses to various infections. Blood samples were collected and analyzed from patients during infection and follow-up time points at the convalescent stage. The study included samples from patients with Lyme disease (LD), tuberculosis (TB), malaria (MLA), dengue virus (DENV), and West Nile virus (WNV), as well as kidney transplant patients with cytomegalovirus (CMV) and polyomavirus (BKV) infections. Using an antibody-based assay, we quantified ~ 350 cell surface markers, cytokines, and chemokines involved in inflammation and immunity. Unique protein signatures were identified specific to the acute phase of infection irrespective of the pathogen type, with significant changes during convalescence. In addition, tumor necrosis factor receptor superfamily member 6 (TNR6), C-C Motif Chemokine Receptor 7 (CCR7), and C-C motif chemokine ligand-1 (CCL1) were increased in the acute and convalescent phases across all viral, bacterial, and protozoan compared to blood from healthy donors. Furthermore, despite the differences between pathogens, proteins were enriched in common biological pathways such as cell surface receptor signaling pathway and response to external stimulus. In conclusion, we demonstrated that irrespective of the pathogen type, there are common immunoregulatory and proinflammatory signals.
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Affiliation(s)
- Tara K Sigdel
- Division of Multi-Organ Transplantation, Department of Surgery, University of California San Francisco, 513 Parnassus Ave, Med Sciences Bldg, Room S1268, San Francisco, CA, 94143, USA
| | - Swastika Sur
- Division of Multi-Organ Transplantation, Department of Surgery, University of California San Francisco, 513 Parnassus Ave, Med Sciences Bldg, Room S1268, San Francisco, CA, 94143, USA
| | - Patrick Boada
- Division of Multi-Organ Transplantation, Department of Surgery, University of California San Francisco, 513 Parnassus Ave, Med Sciences Bldg, Room S1268, San Francisco, CA, 94143, USA
| | | | - Cecilia S Lindestam Arlehamn
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
- La Jolla Institute for Immunology, La Jolla, CA, USA
| | | | | | - Maggie Kerwin
- Division of Multi-Organ Transplantation, Department of Surgery, University of California San Francisco, 513 Parnassus Ave, Med Sciences Bldg, Room S1268, San Francisco, CA, 94143, USA
| | - Elaine F Reed
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Eva Harris
- University of California Berkeley, Berkeley, CA, USA
| | - Ken Stuart
- Seattle Children Research Institute, Seattle, WA, USA
| | - Bjoern Peters
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
- La Jolla Institute for Immunology, La Jolla, CA, USA
| | - Ana Sesma
- Mount Sinai School of Medicine, New York, NY, USA
| | | | - Minnie M Sarwal
- Division of Multi-Organ Transplantation, Department of Surgery, University of California San Francisco, 513 Parnassus Ave, Med Sciences Bldg, Room S1268, San Francisco, CA, 94143, USA.
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Meng C, Chen G, Wen D, Dong L, Cui X, Jing X, Cui J, Gao Y, Liu Y, Bu H, Wu C. The expression of Nramp1 modulates the uptake of Mycobacterium tuberculosis by macrophages through alternating inflammatory responses. Tuberculosis (Edinb) 2023; 143:102414. [PMID: 37820457 DOI: 10.1016/j.tube.2023.102414] [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: 06/13/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/13/2023]
Abstract
Natural-resistance-associated macrophage protein-1 (NRAMP1) is a transmembrane protein of the mammalian SLC11 gene family. Previously, genome-wide association study (GWAS) have shown that the single nucleotide polymorphisms (SNPs) of NRAMP1 are associated with human susceptibility to tuberculosis (TB), and the detection of clinical samples have demonstrated that the expression levels of NRAMP1 are concomitant with the susceptibility to TB in humans and cows, but underlying mechanism is unknown. In this study, we completed a series of experiments to investigate how the expression of Nramp1 affects the infection of macrophages with Mycobacterium tuberculosis (Mtb). We found that the increase of Nramp1 expression induced the decrease of Mtb infection efficiency and the higher-level expression of pro-inflammatory cytokines and chemokines, However, the knockdown of Nramp1 promoted the efficiency of bacilli infection to macrophages and induced lower-levels of expression of pro-inflammatory cytokines and chemokines. Collectively, the results in this study demonstrated that the levels of Nramp1 expression affect Mtb infection of macrophage and regulate pro-inflammatory responses of macrophages to Mtb infection, indicating the population with the low-expression level of NRAMP1 predispose to Mtb infection and TB development, and suggesting SNPs in NRAMP1 modulate the host susceptibility to TB through its regulation of NRAMP1 expression.
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Affiliation(s)
- Chaoqun Meng
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China; The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education of China, Institute of Biotechnology, Shanxi University, Taiyuan, 030006, Shanxi province, China; The Key Laboratory of the Prevention and Control of Major Infectious Disease of Shanxi Province, Shanxi University, Taiyuan, 030006, Shanxi province, China
| | - Guangxin Chen
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Da Wen
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Li Dong
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Xiaogang Cui
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Xuejiao Jing
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Jia Cui
- Department of Microbiology, Changzhi Medical College, 161 Jiefang Road, Changzhi, 046000, Shanxi province, China
| | - Yuanting Gao
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Yue Liu
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Hongli Bu
- The Fourth People's Hospital of Taiyuan, 231 Xikuang Street, Taiyuan, 030053, Shanxi province, China.
| | - Changxin Wu
- The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Institute of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China; The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education of China, Institute of Biotechnology, Shanxi University, Taiyuan, 030006, Shanxi province, China; The Fourth People's Hospital of Taiyuan, 231 Xikuang Street, Taiyuan, 030053, Shanxi province, China; The Key Laboratory of the Prevention and Control of Major Infectious Disease of Shanxi Province, Shanxi University, Taiyuan, 030006, Shanxi province, China.
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Li Y, Qian Y, Wang N, Qiu D, Cao H, Wang Y, Luo H, Shen X, Cui H, Wang J, Zhu H. The functions and applications of extracellular vesicles derived from Mycobacterium tuberculosis. Biomed Pharmacother 2023; 168:115767. [PMID: 37865994 DOI: 10.1016/j.biopha.2023.115767] [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: 08/24/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023] Open
Abstract
Extracellular vesicles (EVs) originating from bacteria function critical roles in bacterial biologic physiology and host-pathogen interactions. Mycobacterium tuberculosis (M. tuberculosis) produces EVs both in vitro and in vivo, with membrane-bound nanoparticles facilitating the transmission of biological molecules including lipids, proteins, nucleic acids and glycolipids, while interacting remotely with the host. Although studies of EVs in mycobacterial infections is still in its infancy, it has already revealed an entirely new aspect of M. tuberculosis-host interactions that may have implications for tuberculosis (TB) pathogenesis. In this review, we discuss the significant functions of M. tuberculosis EVs in elucidating the mechanisms underlying vesicle biogenesis and modulating cellular immune responses, as well as the recent advances and challenges in the development of novel preventive and therapeutic or diagnostic strategies against TB.
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Affiliation(s)
- Yujie Li
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Yingfen Qian
- Department of Clinical Laboratory, The Fourth People's Hospital of Kunshan, Suzhou, Jiangsu 215300, PR China
| | - Nan Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Dewen Qiu
- Department of Clinical Laboratory, Jiangxi Maternal and Child health hospital Maternal and Child heath hospital of Nanchang college, Nanchang 215300, PR China
| | - Hui Cao
- Department of Food and Nutrition Safety, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, PR China
| | - Yihua Wang
- Department of Clinical Laboratory, Kunshan Jinxi People's Hospital, Suzhou 215300, PR China
| | - Hao Luo
- Department of Clinical Laboratory, Kunshan Second People's Hospital, Suzhou 215300, PR China
| | - Xiaodong Shen
- Penglang Community Health Service Center of Kunshan Economic and Technological Development Zone, Suzhou 215300, PR China
| | - Hanwei Cui
- Department of Central Laboratory, The Fourth People's Hospital of Shenzhen, Shenzhen 518118, PR China.
| | - Jianjun Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China.
| | - Hong Zhu
- Department of Clinical Laboratory, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213000, PR China.
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7
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Abdalla AE, Alanazi A, Abosalif KOA, Alameen AAM, Junaid K, Manni E, Talha AA, Ejaz H. MicroRNA-155, a double-blade sword regulator of innate tuberculosis immunity. Microb Pathog 2023; 185:106438. [PMID: 37925110 DOI: 10.1016/j.micpath.2023.106438] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 11/06/2023]
Abstract
Tuberculosis (TB) is a chronic, life-threatening disease caused by unusual facultative intracellular bacteria, Mycobacterium tuberculosis. This bacterium has unique resistance to many antimicrobial agents and has become a major global health concern due to emerging multidrug-resistant strains. Additionally, it has developed multiple schemes to exploit host immune signaling and establish long-term survival within host tissues. Thus, understanding the pathways that govern the crosstalk between the bacterium and the immune system could provide a new avenue for therapeutic interventions. MicroRNAs (miRs) are short, noncoding, and regulator RNA molecules that control the expression of cellular genes by targeting their mRNAs post-transcriptionally. MiR-155 is one of the most crucial miR in shaping the host immune defenses against M. tuberculosis. MiR-155 is remarkably downregulated in patients with clear clinical TB symptoms in comparison with latently infected patients and/or healthy individuals, thereby implicating its role in controlling M. tuberculosis infection. However, functional probing of miR-155 suggests dual effects in regulating the host's innate defenses in response to mycobacterial infection. This review provides comprehensive knowledge and future perspectives regarding complex signaling pathways that mediated miR-155 expression during M. tuberculosis infections. Moreover, miR-155-targeting signaling orchestrates inflammatory mediators' production, apoptosis, and autophagy.
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Affiliation(s)
- Abualgasim Elgaili Abdalla
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia.
| | - Awadh Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Khalid Omer Abdalla Abosalif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Ayman Ali Mohammed Alameen
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Kashaf Junaid
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, E1 4NS, UK
| | - Emad Manni
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Albadawi Abdelbagi Talha
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Hasan Ejaz
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia.
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8
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Pandey M, Talwar S, Pal R, Nain V, Johri S, Singhal A, Pandey AK. Transcription factor mce3R modulates antibiotics and disease persistence in Mycobacteriumtuberculosis. Res Microbiol 2023; 174:104082. [PMID: 37244349 DOI: 10.1016/j.resmic.2023.104082] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 05/29/2023]
Abstract
Transcription factors (TFs) of Mycobacterium tuberculosis (Mtb), an etiological agent of tuberculosis, regulate a network of pathways that help prolong the survival of Mtb inside the host. In this study, we have characterized a transcription repressor gene (mce3R) from the TetR family, that encodes for Mce3R protein in Mtb. We demonstrated that the mce3R gene is dispensable for the growth of Mtb on cholesterol. Gene expression analysis suggests that the transcription of genes belonging to the mce3R regulon is independent of the carbon source. We found that, in comparison to the wild type, the mce3R deleted strain (Δmce3R) generated more intracellular ROS and demonstrated reduced susceptibility to oxidative stress. Total lipid analysis suggests that mce3R regulon encoded proteins modulate the biosynthesis of cell wall lipids in Mtb. Interestingly, the absence of Mce3R increased the frequency of generation of antibiotic persisters in Mtb and imparted in-vivo growth advantage phenotype in guinea pigs. In conclusion, genes belonging to the mce3R regulon modulate the frequency of generation of persisters in Mtb. Hence, targeting mce3R regulon encoded proteins could potentiate the current regimen by eliminating persisters during Mtb infection.
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Affiliation(s)
- Manitosh Pandey
- Mycobacterial Pathogenesis Laboratory, Translational Health Science and Technology Institute, Faridabad, Haryana, India; Department of Life Science, ITM University, Gwalior, Madhya Pradesh, India
| | - Sakshi Talwar
- Mycobacterial Pathogenesis Laboratory, Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Rahul Pal
- Mycobacterial Pathogenesis Laboratory, Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Vaibhav Nain
- Mycobacterial Pathogenesis Laboratory, Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Sonia Johri
- Department of Life Science, ITM University, Gwalior, Madhya Pradesh, India
| | - Amit Singhal
- Infectious Diseases Labs (ID Labs), Agency for Science Technology and Research (A∗STAR), Singapore 138648, Republic of Singapore; Singapore Immunology Network (SIgN), A∗STAR, Singapore 138648, Republic of Singapore
| | - Amit Kumar Pandey
- Mycobacterial Pathogenesis Laboratory, Translational Health Science and Technology Institute, Faridabad, Haryana, India.
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9
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Leopold Wager CM, Bonifacio JR, Simper J, Naoun AA, Arnett E, Schlesinger LS. Activation of transcription factor CREB in human macrophages by Mycobacterium tuberculosis promotes bacterial survival, reduces NF-kB nuclear transit and limits phagolysosome fusion by reduced necroptotic signaling. PLoS Pathog 2023; 19:e1011297. [PMID: 37000865 PMCID: PMC10096260 DOI: 10.1371/journal.ppat.1011297] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 04/12/2023] [Accepted: 03/13/2023] [Indexed: 04/03/2023] Open
Abstract
Macrophages are a first line of defense against pathogens. However, certain invading microbes modify macrophage responses to promote their own survival and growth. Mycobacterium tuberculosis (M.tb) is a human-adapted intracellular pathogen that exploits macrophages as an intracellular niche. It was previously reported that M.tb rapidly activates cAMP Response Element Binding Protein (CREB), a transcription factor that regulates diverse cellular responses in macrophages. However, the mechanism(s) underlying CREB activation and its downstream roles in human macrophage responses to M.tb are largely unknown. Herein we determined that M.tb-induced CREB activation is dependent on signaling through MAPK p38 in human monocyte-derived macrophages (MDMs). Using a CREB-specific inhibitor, we determined that M.tb-induced CREB activation leads to expression of immediate early genes including COX2, MCL-1, CCL8 and c-FOS, as well as inhibition of NF-kB p65 nuclear localization. These early CREB-mediated signaling events predicted that CREB inhibition would lead to enhanced macrophage control of M.tb growth, which we observed over days in culture. CREB inhibition also led to phosphorylation of RIPK3 and MLKL, hallmarks of necroptosis. However, this was unaccompanied by cell death at the time points tested. Instead, bacterial control corresponded with increased colocalization of M.tb with the late endosome/lysosome marker LAMP-1. Increased phagolysosomal fusion detected during CREB inhibition was dependent on RIPK3-induced pMLKL, indicating that M.tb-induced CREB signaling limits phagolysosomal fusion through inhibition of the necroptotic signaling pathway. Altogether, our data show that M.tb induces CREB activation in human macrophages early post-infection to create an environment conducive to bacterial growth. Targeting certain aspects of the CREB-induced signaling pathway may represent an innovative approach for development of host-directed therapeutics to combat TB.
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Affiliation(s)
- Chrissy M. Leopold Wager
- Host Pathogen Interaction Program, Texas Biomedical Research Institute, San Antonio, Texas, United States of America
| | - Jordan R. Bonifacio
- Host Pathogen Interaction Program, Texas Biomedical Research Institute, San Antonio, Texas, United States of America
| | - Jan Simper
- Host Pathogen Interaction Program, Texas Biomedical Research Institute, San Antonio, Texas, United States of America
- Medical Scientist Training Program, Department of Microbiology, Immunology and Molecular Genetics, UT Health Science Center San Antonio, San Antonio, Texas, United States of America
| | - Adrian A. Naoun
- Department of Biology, The University of Texas at San Antonio, San Antonio, Texas, United States of America
| | - Eusondia Arnett
- Host Pathogen Interaction Program, Texas Biomedical Research Institute, San Antonio, Texas, United States of America
| | - Larry S. Schlesinger
- Host Pathogen Interaction Program, Texas Biomedical Research Institute, San Antonio, Texas, United States of America
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10
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Zhang J, Han L, Ma Q, Wang X, Yu J, Xu Y, Zhang X, Wu X, Deng G. RIP3 impedes Mycobacterium tuberculosis survival and promotes p62-mediated autophagy. Int Immunopharmacol 2023; 115:109696. [PMID: 36638666 DOI: 10.1016/j.intimp.2023.109696] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 12/18/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023]
Abstract
Macrophage is believed to play a vital role in the fight against Mycobacterium tuberculosis (M.tb) infection by activating autophagy. Recently, receptor-interacting protein kinase-3 (RIP3), an essential kinase for necroptotic cell death signaling, has been demonstrated to be involved in autophagy. However, RIP3's role in fighting against M.tb infection remains elusive. Here we show that a substantial increase in inflammatory cell infiltration and higher bacterial burden are observed in the lungs of RIP3-/- mice with Mycobacterium bovis Bacillus Calmette-Guerin (BCG) infection. Meanwhile, RIP3 ameliorates lung injury and promote autophagy via induce autophagosome and autophagolysosome formation which indicate that RIP3 is indispensable for host clearance of BCG via autophagy. Mechanically, RIP3 enhances p62 binding to ubiquitylated proteins and LC3 by interacting with p62, and RHIM domain is required for RIP3-p62 interaction. Hence, our results conclusively show that RIP3 impedes M.tb survival and promotes p62-mediated autophagy. The findings provide further insight into understanding the mechanism of M.tb immune escape and pathogenesis of tuberculosis.
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Affiliation(s)
- Jiamei Zhang
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China
| | - Lu Han
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China
| | - Qinmei Ma
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China
| | - Xiaoping Wang
- Tuberculosis Reference Laboratory, Ningxia Institute for Tuberculosis Control, The Fourth People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750021, China
| | - Jialin Yu
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China
| | - Yanan Xu
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China
| | - Xu Zhang
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Xiaoling Wu
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China.
| | - Guangcun Deng
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, NingXia 750021, China; School of Life Science, NingXia University, Yinchuan, NingXia 750021, China.
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11
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Schaefer J, Clow W, Bhandari R, Kimura M, Williams L, Pellegrini M. Killing in self-defense: proapoptotic drugs to eliminate intracellular pathogens. Curr Opin Immunol 2022; 79:102263. [PMID: 36375234 DOI: 10.1016/j.coi.2022.102263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/13/2022] [Accepted: 10/17/2022] [Indexed: 11/13/2022]
Abstract
Intracellular infections rely on host cell survival for replication and have evolved several mechanisms to prevent infected cells from dying. Drugs that promote apoptosis, a noninflammatory form of cell death, can dysregulate these survival mechanisms to kill infected cells via a mechanism that resists the evolution of drug resistance. Two such drug classes, known as SMAC mimetics and BH3 mimetics, have shown preclinical efficacy at mediating clearance of liver-stage malaria and chronic infections such as hepatitis-B virus and Mycobacterium tuberculosis. Emerging toxicity and efficacy data have reinforced the broad applicability of these drugs and form the foundations for preclinical and clinical studies into their various usage cases.
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Affiliation(s)
- Jan Schaefer
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia
| | - William Clow
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia
| | - Reet Bhandari
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia
| | - Mari Kimura
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia
| | - Lewis Williams
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia
| | - Marc Pellegrini
- Walter & Eliza Hall Institute Infectious Disease and Immune Defence Division, 1G Royal Parade, Parkville, VIC 3052, Australia.
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12
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Nisa A, Kipper FC, Panigrahy D, Tiwari S, Kupz A, Subbian S. Different modalities of host cell death and their impact on Mycobacterium tuberculosis infection. Am J Physiol Cell Physiol 2022; 323:C1444-C1474. [PMID: 36189975 PMCID: PMC9662802 DOI: 10.1152/ajpcell.00246.2022] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/16/2022] [Accepted: 09/25/2022] [Indexed: 11/22/2022]
Abstract
Mycobacterium tuberculosis (Mtb) is the pathogen that causes tuberculosis (TB), a leading infectious disease of humans worldwide. One of the main histopathological hallmarks of TB is the formation of granulomas comprised of elaborately organized aggregates of immune cells containing the pathogen. Dissemination of Mtb from infected cells in the granulomas due to host and mycobacterial factors induces multiple cell death modalities in infected cells. Based on molecular mechanism, morphological characteristics, and signal dependency, there are two main categories of cell death: programmed and nonprogrammed. Programmed cell death (PCD), such as apoptosis and autophagy, is associated with a protective response to Mtb by keeping the bacteria encased within dead macrophages that can be readily phagocytosed by arriving in uninfected or neighboring cells. In contrast, non-PCD necrotic cell death favors the pathogen, resulting in bacterial release into the extracellular environment. Multiple types of cell death in the PCD category, including pyroptosis, necroptosis, ferroptosis, ETosis, parthanatos, and PANoptosis, may be involved in Mtb infection. Since PCD pathways are essential for host immunity to Mtb, therapeutic compounds targeting cell death signaling pathways have been experimentally tested for TB treatment. This review summarizes different modalities of Mtb-mediated host cell deaths, the molecular mechanisms underpinning host cell death during Mtb infection, and its potential implications for host immunity. In addition, targeting host cell death pathways as potential therapeutic and preventive approaches against Mtb infection is also discussed.
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Affiliation(s)
- Annuurun Nisa
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Franciele C Kipper
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Dipak Panigrahy
- Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
- Cancer Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Sangeeta Tiwari
- Department of Biological Sciences, Border Biomedical Research Center (BBRC), University of Texas, El Paso, Texas
| | - Andreas Kupz
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine (AITHM), James Cook University, Townsville, Queensland, Australia
| | - Selvakumar Subbian
- Public Health Research Institute, New Jersey Medical School, Rutgers University, Newark, New Jersey
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13
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Davuluri KS, Chauhan DS. microRNAs associated with the pathogenesis and their role in regulating various signaling pathways during Mycobacterium tuberculosis infection. Front Cell Infect Microbiol 2022; 12:1009901. [PMID: 36389170 PMCID: PMC9647626 DOI: 10.3389/fcimb.2022.1009901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/03/2022] [Indexed: 11/22/2022] Open
Abstract
Despite more than a decade of active study, tuberculosis (TB) remains a serious health concern across the world, and it is still the biggest cause of mortality in the human population. Pathogenic bacteria recognize host-induced responses and adapt to those hostile circumstances. This high level of adaptability necessitates a strong regulation of bacterial metabolic characteristics. Furthermore, the immune reponse of the host virulence factors such as host invasion, colonization, and survival must be properly coordinated by the pathogen. This can only be accomplished by close synchronization of gene expression. Understanding the molecular characteristics of mycobacterial pathogenesis in order to discover therapies that prevent or resolve illness relies on the bacterial capacity to adjust its metabolism and replication in response to various environmental cues as necessary. An extensive literature details the transcriptional alterations of host in response to in vitro environmental stressors, macrophage infection, and human illness. Various studies have recently revealed the finding of several microRNAs (miRNAs) that are believed to play an important role in the regulatory networks responsible for adaptability and virulence in Mycobacterium tuberculosis. We highlighted the growing data on the existence and quantity of several forms of miRNAs in the pathogenesis of M. tuberculosis, considered their possible relevance to disease etiology, and discussed how the miRNA-based signaling pathways regulate bacterial virulence factors.
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14
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Mir MA, Mir B, Kumawat M, Alkhanani M, Jan U. Manipulation and exploitation of host immune system by pathogenic Mycobacterium tuberculosis for its advantage. Future Microbiol 2022; 17:1171-1198. [PMID: 35924958 DOI: 10.2217/fmb-2022-0026] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) can become a long-term infection by evading the host immune response. Coevolution of Mtb with humans has resulted in its ability to hijack the host's immune systems in a variety of ways. So far, every Mtb defense strategy is essentially dependent on a subtle balance that, if shifted, can promote Mtb proliferation in the host, resulting in disease progression. In this review, the authors summarize many important and previously unknown mechanisms by which Mtb evades the host immune response. Besides recently found strategies by which Mtb manipulates the host molecular regulatory machinery of innate and adaptive immunity, including the intranuclear regulatory machinery, costimulatory molecules, the ubiquitin system and cellular intrinsic immune components will be discussed. A holistic understanding of these immune-evasion mechanisms is of foremost importance for the prevention, diagnosis and treatment of tuberculosis and will lead to new insights into tuberculosis pathogenesis and the development of more effective vaccines and treatment regimens.
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Affiliation(s)
- Manzoor A Mir
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, 190006, India
| | - Bilkees Mir
- Department of Biochemistry & Biochemical Engineering, SHUATS, Allahabad, UP, India
| | - Manoj Kumawat
- Department of Microbiology, Indian Council of Medical Research (ICMR)-NIREH, Bhopal, MP, India
| | - Mustfa Alkhanani
- Biology Department, College of Sciences, University of Hafr Al Batin, P. O. Box 1803, Hafar Al Batin, Saudi Arabia
| | - Ulfat Jan
- Department of Bioresources, School of Biological Sciences, University of Kashmir, Srinagar, 190006, India
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15
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Afriyie-Asante A, Dabla A, Dagenais A, Berton S, Smyth R, Sun J. Mycobacterium tuberculosis Exploits Focal Adhesion Kinase to Induce Necrotic Cell Death and Inhibit Reactive Oxygen Species Production. Front Immunol 2021; 12:742370. [PMID: 34745115 PMCID: PMC8564185 DOI: 10.3389/fimmu.2021.742370] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/04/2021] [Indexed: 01/25/2023] Open
Abstract
Tuberculosis is a deadly, contagious respiratory disease that is caused by the pathogenic bacterium Mycobacterium tuberculosis (Mtb). Mtb is adept at manipulating and evading host immunity by hijacking alveolar macrophages, the first line of defense against inhaled pathogens, by regulating the mode and timing of host cell death. It is established that Mtb infection actively blocks apoptosis and instead induces necrotic-like modes of cell death to promote disease progression. This survival strategy shields the bacteria from destruction by the immune system and antibiotics while allowing for the spread of bacteria at opportunistic times. As such, it is critical to understand how Mtb interacts with host macrophages to manipulate the mode of cell death. Herein, we demonstrate that Mtb infection triggers a time-dependent reduction in the expression of focal adhesion kinase (FAK) in human macrophages. Using pharmacological perturbations, we show that inhibition of FAK (FAKi) triggers an increase in a necrotic form of cell death during Mtb infection. In contrast, genetic overexpression of FAK (FAK+) completely blocked macrophage cell death during Mtb infection. Using specific inhibitors of necrotic cell death, we show that FAK-mediated cell death during Mtb infection occurs in a RIPK1-depedent, and to a lesser extent, RIPK3-MLKL-dependent mechanism. Consistent with these findings, FAKi results in uncontrolled replication of Mtb, whereas FAK+ reduces the intracellular survival of Mtb in macrophages. In addition, we demonstrate that enhanced control of intracellular Mtb replication by FAK+ macrophages is a result of increased production of antibacterial reactive oxygen species (ROS) as inhibitors of ROS production restored Mtb burden in FAK+ macrophages to same levels as in wild-type cells. Collectively, our data establishes FAK as an important host protective response during Mtb infection to block necrotic cell death and induce ROS production, which are required to restrict the survival of Mtb.
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Affiliation(s)
- Afrakoma Afriyie-Asante
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Ankita Dabla
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Amy Dagenais
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Stefania Berton
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Robin Smyth
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada
| | - Jim Sun
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON, Canada.,Centre for Infection, Immunity and Inflammation, University of Ottawa, Ottawa, ON, Canada
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16
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Roy D, Ehtesham NZ, Hasnain SE. Is Mycobacterium tuberculosis carcinogenic to humans? FASEB J 2021; 35:e21853. [PMID: 34416038 DOI: 10.1096/fj.202001581rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 05/20/2021] [Accepted: 07/29/2021] [Indexed: 12/13/2022]
Abstract
We highlight the ability of the tuberculosis (TB) causing bacterial pathogen, Mycobacterium tuberculosis (Mtb), to induce key characteristics that are associated with established IARC classified Group 1 and Group 2A carcinogenic agents. There is sufficient evidence from epidemiological case-control, cohort and meta-analysis studies of increased lung cancer (LC) risk in pre-existing/active/old TB cases. Similar to carcinogens and other pathogenic infectious agents, exposure to aerosol-containing Mtb sprays in mice produce malignant transformation of cells that result in squamous cell carcinoma. Convincing, mechanistic data show several characteristics shared between TB and LC which include chronic inflammation, genomic instability and replicative immortality, just to name a few cancer hallmarks. These hallmarks of cancer may serve as precursors to malignant transformation. Together, these findings form the basis of our postulate that Mtb is a complete human pulmonary carcinogen. We also discuss how Mtb may act as both an initiating agent and promoter of tumor growth. Forthcoming experimental studies will not only serve as proof-of-concept but will also pivot our understanding of how to manage/treat TB cases as well as offer solutions to clinical conundrums of TB lesions masquerading as tumors. Clinical validation of our concept may also help pave the way for next generation personalized medicine for the management of pulmonary TB/cancer particularly for cases that are not responding well to conventional chemotherapy or TB drugs.
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Affiliation(s)
- Deodutta Roy
- Department of Environmental Health Sciences, Florida International University, Miami, FL, USA
| | - Nasreen Z Ehtesham
- ICMR-National Institute of Pathology, Safdarjung Hospital Campus, New Delhi, India
| | - Seyed Ehtesham Hasnain
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India.,Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi (IIT-D), New Delhi, India
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17
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Stutz MD, Allison CC, Ojaimi S, Preston SP, Doerflinger M, Arandjelovic P, Whitehead L, Bader SM, Batey D, Asselin-Labat ML, Herold MJ, Strasser A, West NP, Pellegrini M. Macrophage and neutrophil death programs differentially confer resistance to tuberculosis. Immunity 2021; 54:1758-1771.e7. [DOI: 10.1016/j.immuni.2021.06.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 12/22/2020] [Accepted: 06/14/2021] [Indexed: 12/15/2022]
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18
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SAVALAS LRT, LESTARİ A, MUNİRAH M, FARİDA S, SUHENDRA D, ASNAWATİ D, 'ARDHUHA J, SARI NİNGSİH B, SYAHRİ J. cis-2 and trans-2-eicosenoic Fatty Acids Inhibit Mycobacterium tuberculosis Virulence Factor Protein Tyrosine Phosphatase B. JOURNAL OF THE TURKISH CHEMICAL SOCIETY, SECTION A: CHEMISTRY 2021. [DOI: 10.18596/jotcsa.896489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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19
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ASAP1 regulates the uptake of Mycobacterium tuberculosis H37Ra in THP1-derived macrophages by remodeling actin cytoskeleton. Tuberculosis (Edinb) 2021; 129:102090. [PMID: 34058694 DOI: 10.1016/j.tube.2021.102090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 04/02/2021] [Accepted: 05/16/2021] [Indexed: 11/23/2022]
Abstract
Tuberculosis is initiated by the entry of Mycobacterium tuberculosis (Mtb) into macrophages in the lungs. A study of the cellular factors responsible for the entry of Mtb into host cells will potentially benefit the development of therapeutic treatments or preventive agents against Mtb infection. Using human THP1-derived macrophages as a model, we found that infection of Mtb H37Ra transiently reduced the level of ASAP1, an ADP ribosylation factor (Arf)-GTPase activating protein. Furthermore, knockdown of ASAP1 increased the efficiency of H37Ra entry into the cell and altered the status of actin remodeling as indicated by the enhanced aggregation of F-actin and the increased numbers of vinculin- and paxillin-rich puncta. Collectively, the results in this report identified ASAP1 as a regulator controlling the entry of Mtb H37Ra into macrophage by remodeling actin cytoskeleton.
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20
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Mycobacterium tuberculosis Binds Human Serum Amyloid A, and the Interaction Modulates the Colonization of Human Macrophages and the Transcriptional Response of the Pathogen. Cells 2021; 10:cells10051264. [PMID: 34065319 PMCID: PMC8160739 DOI: 10.3390/cells10051264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 01/10/2023] Open
Abstract
As a very successful pathogen with outstanding adaptive properties, Mycobacterium tuberculosis (Mtb) has developed a plethora of sophisticated mechanisms to subvert host defenses and effectively enter and replicate in the harmful environment inside professional phagocytes, namely, macrophages. Here, we demonstrated the binding interaction of Mtb with a major human acute phase protein, namely, serum amyloid A (SAA1), and identified AtpA (Rv1308), ABC (Rv2477c), EspB (Rv3881c), TB 18.6 (Rv2140c), and ThiC (Rv0423c) membrane proteins as mycobacterial effectors responsible for the pathogen-host protein interplay. SAA1-opsonization of Mtb prior to the infection of human macrophages favored bacterial entry into target phagocytes accompanied by a substantial increase in the load of intracellularly multiplying and surviving bacteria. Furthermore, binding of human SAA1 by Mtb resulted in the up- or downregulation of the transcriptional response of tubercle bacilli. The most substantial changes were related to the increased expression level of the genes of two operons encoding mycobacterial transporter systems, namely, mmpL5/mmpS5 (rv0676c), and rv1217c, rv1218c. Therefore, we postulate that during infection, Mtb-SAA1 binding promotes the infection of host macrophages by tubercle bacilli and modulates the functional response of the pathogen.
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21
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Hall TJ, Mullen MP, McHugo GP, Killick KE, Ring SC, Berry DP, Correia CN, Browne JA, Gordon SV, MacHugh DE. Integrative genomics of the mammalian alveolar macrophage response to intracellular mycobacteria. BMC Genomics 2021; 22:343. [PMID: 33980141 PMCID: PMC8117616 DOI: 10.1186/s12864-021-07643-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 04/22/2021] [Indexed: 12/13/2022] Open
Abstract
Background Bovine TB (bTB), caused by infection with Mycobacterium bovis, is a major endemic disease affecting global cattle production. The key innate immune cell that first encounters the pathogen is the alveolar macrophage, previously shown to be substantially reprogrammed during intracellular infection by the pathogen. Here we use differential expression, and correlation- and interaction-based network approaches to analyse the host response to infection with M. bovis at the transcriptome level to identify core infection response pathways and gene modules. These outputs were then integrated with genome-wide association study (GWAS) data sets to enhance detection of genomic variants for susceptibility/resistance to M. bovis infection. Results The host gene expression data consisted of RNA-seq data from bovine alveolar macrophages (bAM) infected with M. bovis at 24 and 48 h post-infection (hpi) compared to non-infected control bAM. These RNA-seq data were analysed using three distinct computational pipelines to produce six separate gene sets: 1) DE genes filtered using stringent fold-change and P-value thresholds (DEG-24: 378 genes, DEG-48: 390 genes); 2) genes obtained from expression correlation networks (CON-24: 460 genes, CON-48: 416 genes); and 3) genes obtained from differential expression networks (DEN-24: 339 genes, DEN-48: 495 genes). These six gene sets were integrated with three bTB breed GWAS data sets by employing a new genomics data integration tool—gwinteR. Using GWAS summary statistics, this methodology enabled detection of 36, 102 and 921 prioritised SNPs for Charolais, Limousin and Holstein-Friesian, respectively. Conclusions The results from the three parallel analyses showed that the three computational approaches could identify genes significantly enriched for SNPs associated with susceptibility/resistance to M. bovis infection. Results indicate distinct and significant overlap in SNP discovery, demonstrating that network-based integration of biologically relevant transcriptomics data can leverage substantial additional information from GWAS data sets. These analyses also demonstrated significant differences among breeds, with the Holstein-Friesian breed GWAS proving most useful for prioritising SNPS through data integration. Because the functional genomics data were generated using bAM from this population, this suggests that the genomic architecture of bTB resilience traits may be more breed-specific than previously assumed. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07643-w.
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Affiliation(s)
- Thomas J Hall
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland
| | - Michael P Mullen
- Bioscience Research Institute, Athlone Institute of Technology, Dublin Road, Athlone, Westmeath, N37 HD68, Ireland
| | - Gillian P McHugo
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland
| | - Kate E Killick
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland.,Present address: Genuity Science, Cherrywood Business Park. Loughlinstown, Dublin, D18 K7W4, Ireland
| | - Siobhán C Ring
- Irish Cattle Breeding Federation, Highfield House, Shinagh, Bandon, Cork, P72 X050, Ireland
| | - Donagh P Berry
- Teagasc, Animal and Grassland Research and Innovation Centre, Moorepark, Fermoy, Cork, P61 C996, Ireland
| | - Carolina N Correia
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland
| | - John A Browne
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland
| | - Stephen V Gordon
- UCD School of Veterinary Medicine, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland.,UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland
| | - David E MacHugh
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, UCD College of Health and Agricultural Sciences, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland. .,UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin, D04 V1W8, Ireland.
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22
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Park HS, Back YW, Jang IT, Lee KI, Son YJ, Choi HG, Dang TB, Kim HJ. Mycobacterium tuberculosis Rv2145c Promotes Intracellular Survival by STAT3 and IL-10 Receptor Signaling. Front Immunol 2021; 12:666293. [PMID: 34017340 PMCID: PMC8129509 DOI: 10.3389/fimmu.2021.666293] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 04/20/2021] [Indexed: 12/18/2022] Open
Abstract
Although Mycobacterium tuberculosis (Mtb) is an intracellular pathogen in phagocytic cells, the factors and mechanisms by which they invade and persist in host cells are still not well understood. Characterization of the bacterial proteins modulating macrophage function is essential for understanding tuberculosis pathogenesis and bacterial virulence. Here we investigated the pathogenic role of the Rv2145c protein in stimulating IL-10 production. We first found that recombinant Rv2145c stimulated bone marrow-derived macrophages (BMDMs) to secrete IL-10, IL-6 and TNF-α but not IL-12p70 and to increase the expression of surface molecules through the MAPK, NF-κB, and TLR4 pathways and enhanced STAT3 activation and the expression of IL-10 receptor in Mtb-infected BMDMs. Rv2145c significantly enhanced intracellular Mtb growth in BMDMs compared with that in untreated cells, which was abrogated by STAT3 inhibition and IL-10 receptor (IL-10R) blockade. Expression of Rv2145c in Mycobacterium smegmatis (M. smegmatis) led to STAT3-dependent IL-10 production and enhancement of intracellular growth in BMDMs. Furthermore, the clearance of Rv2145c-expressing M. smegmatis in the lungs and spleens of mice was delayed, and these effects were abrogated by administration of anti-IL-10R antibodies. Finally, all mice infected with Rv2145c-expressing M. smegmatis died, but those infected with the vector control strain did not. Our data suggest that Rv2145c plays a role in creating a favorable environment for bacterial survival by modulating host signals.
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Affiliation(s)
- Hye-Soo Park
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Yong Woo Back
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - In-Taek Jang
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Kang-In Lee
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Yeo-Jin Son
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Han-Gyu Choi
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Thi Binh Dang
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
| | - Hwa-Jung Kim
- Department of Microbiology and Medical Science, and Translational Immunology Institute, College of Medicine, Chungnam National University, Daejeon, South Korea
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23
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Kim JK, Silwal P, Jo EK. Host-Pathogen Dialogues in Autophagy, Apoptosis, and Necrosis during Mycobacterial Infection. Immune Netw 2020; 20:e37. [PMID: 33163245 PMCID: PMC7609165 DOI: 10.4110/in.2020.20.e37] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/15/2020] [Accepted: 10/15/2020] [Indexed: 12/11/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) is an etiologic pathogen of human tuberculosis (TB), a serious infectious disease with high morbidity and mortality. In addition, the threat of drug resistance in anti-TB therapy is of global concern. Despite this, it remains urgent to research for understanding the molecular nature of dynamic interactions between host and pathogens during TB infection. While Mtb evasion from phagolysosomal acidification is a well-known virulence mechanism, the molecular events to promote intracellular parasitism remains elusive. To combat intracellular Mtb infection, several defensive processes, including autophagy and apoptosis, are activated. In addition, Mtb-ingested phagocytes trigger inflammation, and undergo necrotic cell death, potentially harmful responses in case of uncontrolled pathological condition. In this review, we focus on Mtb evasion from phagosomal acidification, and Mtb interaction with host autophagy, apoptosis, and necrosis. Elucidation of the molecular dialogue will shed light on Mtb pathogenesis, host defense, and development of new paradigms of therapeutics.
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Affiliation(s)
- Jin Kyung Kim
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea.,Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Prashanta Silwal
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea.,Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
| | - Eun-Kyeong Jo
- Department of Microbiology, Chungnam National University School of Medicine, Daejeon, Korea.,Infection Control Convergence Research Center, Chungnam National University School of Medicine, Daejeon, Korea
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24
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Mohareer K, Medikonda J, Vadankula GR, Banerjee S. Mycobacterial Control of Host Mitochondria: Bioenergetic and Metabolic Changes Shaping Cell Fate and Infection Outcome. Front Cell Infect Microbiol 2020; 10:457. [PMID: 33102245 PMCID: PMC7554303 DOI: 10.3389/fcimb.2020.00457] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 07/24/2020] [Indexed: 12/20/2022] Open
Abstract
Mitochondria, are undoubtedly critical organelle of a eukaryotic cell, which provide energy and offer a platform for most of the cellular signaling pathways that decide cell fate. The role of mitochondria in immune-metabolism is now emerging as a crucial process governing several pathological states, including infection, cancer, and diabetes. Mitochondria have therefore been a vulnerable target for several bacterial and viral pathogens to control host machinery for their survival, replication, and dissemination. Mycobacterium tuberculosis, a highly successful human pathogen, persists inside alveolar macrophages at the primary infection site, applying several strategies to circumvent macrophage defenses, including control of host mitochondria. The infection perse and specific mycobacterial factors that enter the host mitochondrial milieu perturb mitochondrial dynamics and function by disturbing mitochondrial membrane potential, shifting bioenergetics parameters such as ATP and ROS, orienting the host cell fate and thereby infection outcome. In the present review, we attempt to integrate the available information and emerging dogmas to get a holistic view of Mycobacterium tuberculosis infection vis-a-vis mycobacterial factors that target host mitochondria and changes therein in terms of morphology, dynamics, proteomic, and bioenergetic alterations that lead to a differential cell fate and immune response determining the disease outcome. We also discuss critical host factors and processes that are overturned by Mycobacterium tuberculosis, such as cAMP-mediated signaling, redox homeostasis, and lipid droplet formation. Further, we also present alternate dogmas as well as the gaps and limitations in understanding some of the present research areas, which can be further explored by understanding some critical processes during Mycobacterium tuberculosis infection and the reasons thereof. Toward the end, we propose to have a set of guidelines for pursuing investigations to maintain uniformity in terms of early and late phase, MOI of infection, infection duration and incubation periods, the strain of mycobacteria, passage numbers, and so on, which all work as probable variables toward different readouts. Such a setup would, therefore, help in the smooth integration of information across laboratories toward a better understanding of the disease and possibilities of host-directed therapy.
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Affiliation(s)
- Krishnaveni Mohareer
- Laboratory of Molecular Pathogenesis, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Jayashankar Medikonda
- Laboratory of Molecular Pathogenesis, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Govinda Raju Vadankula
- Laboratory of Molecular Pathogenesis, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Sharmistha Banerjee
- Laboratory of Molecular Pathogenesis, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, India
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25
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Infection of pulmonary epithelial cells by clinical strains of M. tuberculosis induces alternate splicing events. Gene 2020; 750:144755. [PMID: 32380040 DOI: 10.1016/j.gene.2020.144755] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/29/2020] [Accepted: 05/01/2020] [Indexed: 11/21/2022]
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26
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Lee HJ, Kang SJ, Woo Y, Hahn TW, Ko HJ, Jung YJ. TLR7 Stimulation With Imiquimod Induces Selective Autophagy and Controls Mycobacterium tuberculosis Growth in Mouse Macrophages. Front Microbiol 2020; 11:1684. [PMID: 32765474 PMCID: PMC7380068 DOI: 10.3389/fmicb.2020.01684] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 06/29/2020] [Indexed: 12/16/2022] Open
Abstract
Autophagy is a lysosomal self-digestion pathway that maintains internal homeostasis inside cells and critical process by which the innate immune system eliminates intracellular bacteria. In this study, we showed that stimulation of toll-like receptor 7 (TLR7) with imiquimod (IMQ) triggered autophagic cell death in macrophages by enhancing the generation of reactive oxygen species (ROS) via the p38- or MEK/ERK1/2-mediated signaling pathway in the early phase. IMQ significantly increased mitochondrial ROS and targeted autophagosomes to the mitochondria. Stimulation of TLR7 with IMQ enhanced the expression of BNIP3, which was localized to mitochondria and interacted with beclin-1, leading to mitophagy. In addition, IMQ substantially induced NO production through the GSK-3β-mediated signaling pathway, which led to autophagy in the late stage. We further examined whether the induction of autophagy by IMQ effectively eliminated intracellular microbes. Macrophages were infected with a virulent Mycobacterium tuberculosis (Mtb) strain, H37Rv, and then treated with IMQ. IMQ suppressed intracellular Mtb growth by inducing autophagy in a dose-dependent manner and increased NO production. Inhibition of autophagy using 3-methyladenine (3-MA) prevented autophagosome formation and control of intracellular Mtb growth in macrophages. These findings revealed a novel mechanism by which IMQ induces selective autophagy to promote intracellular killing machinery against Mtb infection in macrophages.
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Affiliation(s)
- Hyo-Ji Lee
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea.,Institute of Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Su-Jin Kang
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea
| | - Yunseo Woo
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea.,Institute of Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Tae-Wook Hahn
- College of Veterinary Medicine, Kangwon National University, Chuncheon, South Korea
| | - Hyun-Jeong Ko
- College of Pharmacy, Kangwon National University, Chuncheon, South Korea
| | - Yu-Jin Jung
- Department of Biological Sciences, Kangwon National University, Chuncheon, South Korea.,Institute of Life Sciences, Kangwon National University, Chuncheon, South Korea
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27
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Yabaji SM, Dhamija E, Mishra AK, Srivastava KK. ESAT-6 regulates autophagous response through SOD-2 and as a result induces intracellular survival of Mycobacterium bovis BCG. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140470. [PMID: 32535275 DOI: 10.1016/j.bbapap.2020.140470] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 05/18/2020] [Accepted: 06/08/2020] [Indexed: 12/20/2022]
Abstract
Mycobacterium is known for subverting the host defense machinery, and one such mechanism is the inhibition of autophagy. Here, we have demonstrated that Mycobacterium tuberculosis (MTB) secretes a virulence factor; an early secretory antigenic target protein (ESAT-6) into the phagosome, which induces the expression and activity of mitochondrial superoxide dismutase (SOD-2) of macrophages. Using a series of experiments, and Mycobacterium bovis BCG as a model strain (where ESAT-6 protein is not expressed), we have delineated that the protein regulates SOD-2 of macrophages. The expression and augmentation of SOD-2 activity were confirmed by either incubating the macrophages with ESAT-6 protein, transfection of macrophage by esat6 gene using a eukaryotic promoter vector, or by infection with different mycobacterial strains. The induction of acidification of phagosomal compartment containing bacteria was observed in cells that express low levels of SOD-2. This was further confirmed by observing a significant decrease in the M. bovis BCG intracellular load in the sod-2 knocked-down macrophages.
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Affiliation(s)
- Shivraj M Yabaji
- Division of Microbiology and Academy of Scientific and Innovative Research, CSIR-Central, Drug Research Institute, Lucknow 226031, India
| | - Ekta Dhamija
- Division of Microbiology and Academy of Scientific and Innovative Research, CSIR-Central, Drug Research Institute, Lucknow 226031, India
| | - Alok K Mishra
- Division of Microbiology and Academy of Scientific and Innovative Research, CSIR-Central, Drug Research Institute, Lucknow 226031, India
| | - Kishore K Srivastava
- Division of Microbiology and Academy of Scientific and Innovative Research, CSIR-Central, Drug Research Institute, Lucknow 226031, India.
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28
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Zhang R, Varela M, Forn-Cuní G, Torraca V, van der Vaart M, Meijer AH. Deficiency in the autophagy modulator Dram1 exacerbates pyroptotic cell death of Mycobacteria-infected macrophages. Cell Death Dis 2020; 11:277. [PMID: 32332700 PMCID: PMC7181687 DOI: 10.1038/s41419-020-2477-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 02/07/2023]
Abstract
DNA damage regulated autophagy modulator 1 (DRAM1) is a stress-inducible regulator of autophagy and cell death. DRAM1 has been implicated in cancer, myocardial infarction, and infectious diseases, but the molecular and cellular functions of this transmembrane protein remain poorly understood. Previously, we have proposed DRAM1 as a host resistance factor for tuberculosis (TB) and a potential target for host-directed anti-infective therapies. In this study, we generated a zebrafish dram1 mutant and investigated its loss-of-function effects during Mycobacterium marinum (Mm) infection, a widely used model in TB research. In agreement with previous knockdown analysis, dram1 mutation increased the susceptibility of zebrafish larvae to Mm infection. RNA sequencing revealed major effects of Dram1 deficiency on metabolic, immune response, and cell death pathways during Mm infection, and only minor effects on proteinase and metabolic pathways were found under uninfected conditions. Furthermore, unchallenged dram1 mutants did not display overt autophagic defects, but autophagic targeting of Mm was reduced in the absence of Dram1. The phagocytic ability of macrophages in dram1 mutants was unaffected, but acidification of Mm-containing vesicles was strongly reduced, indicating that Dram1 is required for phagosome maturation. By in vivo imaging, we observed that Dram1-deficient macrophages fail to restrict Mm during early stages of infection. The resulting increase in bacterial burden could be reverted by knockdown of inflammatory caspase a (caspa) and gasdermin Eb (gsdmeb), demonstrating pyroptosis as the mechanism underlying premature cell death of Mm-infected macrophages in dram1 mutants. Collectively, these data demonstrate that dissemination of mycobacterial infection in zebrafish larvae is promoted in the absence of Dram1 due to reduced maturation of mycobacteria-containing vesicles, failed intracellular containment, and consequent pyroptotic death of infected macrophages. These results provide new evidence that Dram1 plays a central role in host resistance to intracellular infection, acting at the crossroad of autophagy and cell death.
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Affiliation(s)
- Rui Zhang
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Monica Varela
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Gabriel Forn-Cuní
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Vincenzo Torraca
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Michiel van der Vaart
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Annemarie H Meijer
- Institute of Biology Leiden, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands.
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29
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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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30
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Hall TJ, Vernimmen D, Browne JA, Mullen MP, Gordon SV, MacHugh DE, O’Doherty AM. Alveolar Macrophage Chromatin Is Modified to Orchestrate Host Response to Mycobacterium bovis Infection. Front Genet 2020; 10:1386. [PMID: 32117424 PMCID: PMC7020904 DOI: 10.3389/fgene.2019.01386] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 12/18/2019] [Indexed: 12/29/2022] Open
Abstract
Bovine tuberculosis is caused by infection with Mycobacterium bovis, which can also cause disease in a range of other mammals, including humans. Alveolar macrophages are the key immune effector cells that first encounter M. bovis and how the macrophage epigenome responds to mycobacterial pathogens is currently not well understood. Here, we have used chromatin immunoprecipitation sequencing (ChIP-seq), RNA-seq and miRNA-seq to examine the effect of M. bovis infection on the bovine alveolar macrophage (bAM) epigenome. We show that H3K4me3 is more prevalent, at a genome-wide level, in chromatin from M. bovis-infected bAM compared to control non-infected bAM; this was particularly evident at the transcriptional start sites of genes that determine programmed macrophage responses to mycobacterial infection (e.g. M1/M2 macrophage polarisation). This pattern was also supported by the distribution of RNA Polymerase II (Pol II) ChIP-seq results, which highlighted significantly increased transcriptional activity at genes demarcated by permissive chromatin. Identification of these genes enabled integration of high-density genome-wide association study (GWAS) data, which revealed genomic regions associated with resilience to infection with M. bovis in cattle. Through integration of these data, we show that bAM transcriptional reprogramming occurs through differential distribution of H3K4me3 and Pol II at key immune genes. Furthermore, this subset of genes can be used to prioritise genomic variants from a relevant GWAS data set.
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Affiliation(s)
- Thomas J. Hall
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, College Dublin, Dublin, Ireland
| | - Douglas Vernimmen
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian, United Kingdom
| | - John A. Browne
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, College Dublin, Dublin, Ireland
| | - Michael P. Mullen
- Bioscience Research Institute, Athlone Institute of Technology, Athlone, Ireland
| | - Stephen V. Gordon
- UCD School of Veterinary Medicine, University College Dublin, Dublin, Ireland
- UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - David E. MacHugh
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, College Dublin, Dublin, Ireland
- UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Alan M. O’Doherty
- Animal Genomics Laboratory, UCD School of Agriculture and Food Science, College Dublin, Dublin, Ireland
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31
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Harjula SKE, Saralahti AK, Ojanen MJT, Rantapero T, Uusi-Mäkelä MIE, Nykter M, Lohi O, Parikka M, Rämet M. Characterization of immune response against Mycobacterium marinum infection in the main hematopoietic organ of adult zebrafish (Danio rerio). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2020; 103:103523. [PMID: 31626817 DOI: 10.1016/j.dci.2019.103523] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/09/2019] [Accepted: 10/14/2019] [Indexed: 06/10/2023]
Abstract
Tuberculosis remains a major global health challenge. To gain information about genes important for defense against tuberculosis, we used a well-established tuberculosis model; Mycobacterium marinum infection in adult zebrafish. To characterize the immunological response to mycobacterial infection at 14 days post infection, we performed a whole-genome level transcriptome analysis using cells from kidney, the main hematopoietic organ of adult zebrafish. Among the upregulated genes, those associated with immune signaling and regulation formed the largest category, whereas the largest group of downregulated genes had a metabolic role. We also performed a forward genetic screen in adult zebrafish and identified a fish line with severely impaired survival during chronic mycobacterial infection. Based on transcriptome analysis, these fish have decreased expression of several immunological genes. Taken together, these results give new information about the genes involved in the defense against mycobacterial infection in zebrafish.
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Affiliation(s)
- Sanna-Kaisa E Harjula
- Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Anni K Saralahti
- Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Markus J T Ojanen
- Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland; Laboratory of Immunoregulation, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Tommi Rantapero
- Laboratory of Computational Biology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Meri I E Uusi-Mäkelä
- Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Matti Nykter
- Laboratory of Computational Biology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland.
| | - Olli Lohi
- Tampere Center for Child Health Research, Tampere University and Tays Cancer Center, Tampere University Hospital, FI-33014, Tampere University, Finland.
| | - Mataleena Parikka
- Laboratory of Infection Biology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland; Oral and Maxillofacial Unit, Tampere University Hospital, P.O. Box 2000, FI-33521, Tampere, Finland.
| | - Mika Rämet
- Laboratory of Experimental Immunology, BioMediTech, Faculty of Medicine and Health Technology, FI-33014, Tampere University, Finland; Department of Pediatrics, Tampere University Hospital, P.O. Box 2000, FI-33521, Tampere, Finland; PEDEGO Research Unit, Medical Research Center Oulu, P.O. Box 8000, FI-90014, University of Oulu, Finland; Department of Children and Adolescents, Oulu University Hospital, P.O. Box 10, FI-90029, OYS, Finland.
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32
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Hanafiah KM, Arifin N, Sanders PR, Othman N, Garcia ML, Anderson DA. Proteomic Analysis of Antigen 60 Complex of M. bovis Bacillus Calmette-Guérin Reveals Presence of Extracellular Vesicle Proteins and Predicted Functional Interactions. Vaccines (Basel) 2019; 7:E80. [PMID: 31382538 PMCID: PMC6789874 DOI: 10.3390/vaccines7030080] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/14/2019] [Accepted: 07/30/2019] [Indexed: 12/14/2022] Open
Abstract
Tuberculosis (TB) is ranked among the top 10 causes of death worldwide. New biomarker-based serodiagnostics and vaccines are unmet needs stalling disease control. Antigen 60 (A60) is a thermostable mycobacterial complex typically purified from Bacillus Calmette-Guérin (BCG) vaccine. A60 was historically evaluated for TB serodiagnostic and vaccine potential with variable findings. Despite containing immunogenic proteins, A60 has yet to be proteomically characterized. Here, commercial A60 was (1) trypsin-digested in-solution, analyzed by LC-MS/MS, searched against M. tuberculosis H37Rv and M. bovis BCG Uniprot databases; (2) analyzed using STRING to predict protein-protein interactions; and (3) probed with anti-TB monoclonal antibodies and patient immunoglobulin G (IgG) on Western blot to evaluate antigenicity. We detected 778 proteins in two A60 samples (440 proteins shared), including DnaK, LprG, LpqH, and GroEL1/2, reportedly present in mycobacterial extracellular vesicles (EV). Of these, 107 were also reported in EVs of M. tuberculosis, and 27 key proteins had significant protein-protein interaction, with clustering for chaperonins, ribosomal proteins, and proteins for ligand transport (LpqH and LprG). On Western blot, 7/8 TB and 1/8 non-TB sera samples had reactivity against 37-50 kDa proteins, while LpqH, GroEL2, and PstS1 were strongly detected. In conclusion, A60 comprises numerous proteins, including EV proteins, with predicted biological interactions, which may have implications on biomarker and vaccine development.
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Affiliation(s)
- Khayriyyah Mohd Hanafiah
- School of Biological Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia.
- Life Sciences, Macfarlane Burnet Institute, Melbourne, VIC 3004, Australia.
| | - Norsyahida Arifin
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang 11800, Malaysia
| | - Paul R Sanders
- Life Sciences, Macfarlane Burnet Institute, Melbourne, VIC 3004, Australia
| | - Nurulhasanah Othman
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang 11800, Malaysia
| | - Mary L Garcia
- Life Sciences, Macfarlane Burnet Institute, Melbourne, VIC 3004, Australia
| | - David A Anderson
- Life Sciences, Macfarlane Burnet Institute, Melbourne, VIC 3004, Australia
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33
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Fieweger RA, Wilburn KM, VanderVen BC. Comparing the Metabolic Capabilities of Bacteria in the Mycobacterium tuberculosis Complex. Microorganisms 2019; 7:E177. [PMID: 31216777 PMCID: PMC6617402 DOI: 10.3390/microorganisms7060177] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/10/2019] [Accepted: 06/15/2019] [Indexed: 02/06/2023] Open
Abstract
Pathogenic mycobacteria are known for their ability to maintain persistent infections in various mammals. The canonical pathogen in this genus is Mycobacterium tuberculosis and this bacterium is particularly successful at surviving and replicating within macrophages. Here, we will highlight the metabolic processes that M. tuberculosis employs during infection in macrophages and compare these findings with what is understood for other pathogens in the M. tuberculosis complex.
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Affiliation(s)
- Rachael A Fieweger
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
| | - Kaley M Wilburn
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
| | - Brian C VanderVen
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA.
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34
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Lyadova I, Nikitina I. Cell Differentiation Degree as a Factor Determining the Role for Different T-Helper Populations in Tuberculosis Protection. Front Immunol 2019; 10:972. [PMID: 31134070 PMCID: PMC6517507 DOI: 10.3389/fimmu.2019.00972] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 04/16/2019] [Indexed: 12/15/2022] Open
Abstract
Efficient tuberculosis (TB) control depends on early TB prediction and prevention. Solution to these tasks requires knowledge of TB protection correlates (TB CoPs), i.e., laboratory markers that are mechanistically involved in the protection and which allow to determine how well an individual is protected against TB or how efficient the candidate TB vaccine is. The search for TB CoPs has been largely focused on different T-helper populations, however, the data are controversial, and no reliable CoPs are still known. Here we discuss the role of different T-helper populations in TB protection focusing predominantly on Th17, “non-classical” Th1 (Th1*) and “classical” Th1 (cTh1) populations. We analyze how these populations differ besides their effector activity and suggest the hypothesis that: (i) links the protective potential of Th17, Th1*, and cTh1 to their differentiation degree and plasticity; (ii) implies different roles of these populations in response to vaccination, latent TB infection (LTBI), and active TB. One of the clinically relevant outcomes of this hypothesis is that over-stimulating T cells during vaccination and biasing T cell response toward the preferential generation of Th1 are not beneficial. The review sheds new light on the problem of TB CoPs and will help develop better strategies for TB control.
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Affiliation(s)
- Irina Lyadova
- Laboratory of Cellular and Molecular Mechanisms of Histogenesis, Koltsov Institute of Developmental Biology, Moscow, Russia.,Laboratory of Biotechnology, Department of Immunology, Central Tuberculosis Research Institute, Moscow, Russia
| | - Irina Nikitina
- Laboratory of Cellular and Molecular Mechanisms of Histogenesis, Koltsov Institute of Developmental Biology, Moscow, Russia.,Laboratory of Biotechnology, Department of Immunology, Central Tuberculosis Research Institute, Moscow, Russia
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35
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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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36
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BoseDasgupta S, Pieters J. Macrophage-microbe interaction: lessons learned from the pathogen Mycobacterium tuberculosis. Semin Immunopathol 2018; 40:577-591. [PMID: 30306257 DOI: 10.1007/s00281-018-0710-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 09/17/2018] [Indexed: 02/07/2023]
Abstract
Macrophages, being the cornerstone of the immune system, have adapted the ancient nutrient acquisition mechanism of phagocytosis to engulf various infectious organisms thereby helping to orchestrate an appropriate host response. Phagocytosis refers to the process of internalization and degradation of particulate material, damaged and senescent cells and microorganisms by specialized cells, after which the vesicle containing the ingested particle, the phagosome, matures into acidic phagolysosomes upon fusion with hydrolytic enzyme-containing lysosomes. The destructive power of the macrophage is further exacerbated through the induction of macrophage activation upon a variety of inflammatory stimuli. Despite being the end-point for many phagocytosed microbes, the macrophage can also serve as an intracellular survival niche for a number of intracellular microorganisms. One microbe that is particularly successful at surviving within macrophages is the pathogen Mycobacterium tuberculosis, which can efficiently manipulate the macrophage at several levels, including modulation of the phagocytic pathway as well as interfering with a number of immune activation pathways that normally would lead to eradication of the internalized bacilli. M. tuberculosis excels at circumventing destruction within macrophages, thus establishing itself successfully for prolonged times within the macrophage. In this contribution, we describe a number of general features of macrophages in the context of their function to clear an infection, and highlight the strategies employed by M. tuberculosis to counter macrophage attack. Interestingly, research on the evasion tactics employed by M. tuberculosis within macrophages not only helps to design strategies to curb tuberculosis, but also allows a better understanding of host cell biology.
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Affiliation(s)
- Somdeb BoseDasgupta
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
| | - Jean Pieters
- Department of Biochemistry, Biozentrum, University of Basel, 50-70 Klingelbergstrasse, 4056, Basel, Switzerland.
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37
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Mohareer K, Asalla S, Banerjee S. Cell death at the cross roads of host-pathogen interaction in Mycobacterium tuberculosis infection. Tuberculosis (Edinb) 2018; 113:99-121. [PMID: 30514519 DOI: 10.1016/j.tube.2018.09.007] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 07/13/2018] [Accepted: 09/24/2018] [Indexed: 12/21/2022]
Abstract
Tuberculosis (TB) continues to be the leading cause of death by any single infectious agent, accounting for around 1.7 million annual deaths globally, despite several interventions and support programs by national and international agencies. With the development of drug resistance in Mycobacterium tuberculosis (M. tb), there has been a paradigm shift in TB research towards host-directed therapy. The potential targets include the interactions between host and bacterial proteins that are crucial for pathogenesis. Hence, collective efforts are being made to understand the molecular details of host-pathogen interaction for possible translation into host-directed therapy. The present review focuses on 'host cell death modalities' of host-pathogen interaction, which play a crucial role in determining the outcome of TB disease progression. Several cell death modalities that occur in response to mycobacterial infection have been identified in human macrophages either as host defences for bacterial clearance or as pathogen strategies for multiplication and dissemination. These cell death modalities include apoptosis, necrosis, pyroptosis, necroptosis, pyronecrosis, NETosis, and autophagy. These processes are highly overlapping with several mycobacterial proteins participating in more than one cell death pathway. Until now, reviews in M. tb and host cell death have discussed either focusing on host evasion strategies, apoptosis, autophagy, and necrosis or describing all these forms with limited discussions of their role in host-pathogen interactions. Here, we present a comprehensive review of various mycobacterial factors modulating host cell death pathways and the cross-talk between them. Besides this, we have discussed the networking of host cell death pathways including the interference of host miRNA during M. tb infection with their respective targets. Through this review, we present the host targets that overlap across several cell death modalities and the technical limitations of methodology in cell death research. Given the compelling need to discover alternative drug target(s), this review identifies these overlapping cell death factors as potential targets for host-directed therapy.
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Affiliation(s)
- Krishnaveni Mohareer
- Molecular Pathogenesis Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India-500046
| | - Suman Asalla
- Molecular Pathogenesis Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India-500046
| | - Sharmistha Banerjee
- Molecular Pathogenesis Laboratory, Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India-500046.
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38
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Olive AJ, Sassetti CM. Tolerating the Unwelcome Guest; How the Host Withstands Persistent Mycobacterium tuberculosis. Front Immunol 2018; 9:2094. [PMID: 30258448 PMCID: PMC6143787 DOI: 10.3389/fimmu.2018.02094] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 08/24/2018] [Indexed: 12/20/2022] Open
Abstract
Our understanding of the host response to infections has historically focused on “resistance” mechanisms that directly control pathogen replication. However, both pathogen effectors and antimicrobial immune pathways have the capacity to damage host tissue, and the ability to tolerate these insults can also be critical for host survival. These “tolerance” mechanisms may be equally as important as resistance to prevent disease in the context of a persistent infection, such as tuberculosis, when resistance mechanisms are ineffective and the pathogen persists in the tissue for long periods. Host tolerance encompasses a wide range of strategies, many of which involve regulation of the inflammatory response. Here we will examine general strategies used by macrophages and T cells to promote tolerance in the context of tuberculosis, and focus on pathways, such as regulation of inflammasome activation, that are emerging as common mediators of tolerance.
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Affiliation(s)
- Andrew J Olive
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
| | - Christopher M Sassetti
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, MA, United States
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39
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Magee MJ, Salindri AD, Kyaw NTT, Auld SC, Haw JS, Umpierrez GE. Stress Hyperglycemia in Patients with Tuberculosis Disease: Epidemiology and Clinical Implications. Curr Diab Rep 2018; 18:71. [PMID: 30090969 PMCID: PMC6309553 DOI: 10.1007/s11892-018-1036-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW The intersection of tuberculosis (TB) disease and type 2 diabetes mellitus is severely hindering global efforts to reduce TB burdens. Diabetes increases the risk of developing TB disease and negatively impacts TB treatment outcomes including culture conversion time, mortality risk, and TB relapse. Recent evidence also indicates plausible mechanisms by which TB disease may influence the pathogenesis and incidence of diabetes. We review the epidemiology of stress hyperglycemia in patients with TB and the pathophysiologic responses to TB disease that are related to established mechanisms of stress hyperglycemia. We also consider clinical implications of stress hyperglycemia on TB treatment, and the role of TB disease on risk of diabetes post-TB. RECENT FINDINGS Among patients with TB disease, the development of stress hyperglycemia may influence the clinical manifestation and treatment response of some patients and can complicate diabetes diagnosis. Research is needed to elucidate the relationship between TB disease and stress hyperglycemia and determine the extent to which stress hyperglycemia impacts TB treatment response. Currently, there is insufficient data to support clinical recommendations for glucose control among patients with TB disease, representing a major barrier for efforts to improve treatment outcomes for patients with TB and diabetes.
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Affiliation(s)
- Matthew J Magee
- Division of Epidemiology and Biostatistics, School of Public Health, Georgia State University, PO Box 3984, Atlanta, GA, 30302-3984, USA.
| | - Argita D Salindri
- Division of Epidemiology and Biostatistics, School of Public Health, Georgia State University, PO Box 3984, Atlanta, GA, 30302-3984, USA
| | - Nang Thu Thu Kyaw
- Division of Epidemiology and Biostatistics, School of Public Health, Georgia State University, PO Box 3984, Atlanta, GA, 30302-3984, USA
- Centre for Operational Research, International Union Against Tuberculosis and Lung Disease (The Union) Office, Mandalay, Myanmar
| | - Sara C Auld
- Division of Pulmonary, Allergy and Critical Care Medicine, Emory University School of Medicine and Rollins School of Public Health, 615 Michael St, NE Ste 205 , Atlanta, GA, 30322, USA
| | - J Sonya Haw
- Division of Endocrinology, Metabolism and Lipids, Emory University School of Medicine, 69 Jesse Hill Jr Dr SE, Glenn Memorial Building, Atlanta, GA, 30303, USA
| | - Guillermo E Umpierrez
- Division of Endocrinology, Metabolism and Lipids, Emory University School of Medicine, 69 Jesse Hill Jr Dr SE, Glenn Memorial Building, Atlanta, GA, 30303, USA
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40
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Bohrer AC, Tocheny C, Assmann M, Ganusov VV, Mayer-Barber KD. Cutting Edge: IL-1R1 Mediates Host Resistance to Mycobacterium tuberculosis by Trans-Protection of Infected Cells. THE JOURNAL OF IMMUNOLOGY 2018; 201:1645-1650. [PMID: 30068597 DOI: 10.4049/jimmunol.1800438] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 07/17/2018] [Indexed: 12/19/2022]
Abstract
IL-1R1 deficiency in mice causes severe susceptibility to Mycobacterium tuberculosis Mice and macrophage cultures lacking IL-1R1 display increased bacterial growth, suggesting that phagocytes may require IL-1R1-dependent antimicrobial signals to limit intracellular M. tuberculosis replication directly. However, the myeloid-cell-intrinsic versus -extrinsic requirements for IL-1R1 to control M. tuberculosis infection in mice have not been directly addressed. Using single-cell analysis of infected cells, competitive mixed bone marrow chimeras, and IL-1R1 conditional mutant mice, we show in this article that IL-1R1 expression by pulmonary phagocytes is uncoupled from their ability to control intracellular M. tuberculosis growth. Importantly, IL-1R1-dependent control was provided to infected cells in trans by both nonhematopoietic and hematopoietic cells. Thus, IL-1R1-mediated host resistance to M. tuberculosis infection does not involve mechanisms of cell-autonomous antimicrobicidal effector functions in phagocytes but requires the cooperation between infected cells and other cells of hematopoietic or nonhematopoietic origin to promote bacterial containment and control of infection.
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Affiliation(s)
- Andrea C Bohrer
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892; and
| | - Claire Tocheny
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892; and
| | - Maike Assmann
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892; and
| | - Vitaly V Ganusov
- Department of Microbiology, University of Tennessee, Knoxville, TN 37996
| | - Katrin D Mayer-Barber
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892; and
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41
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Mori M, Pieters J. Getting in and Staying Alive: Role for Coronin 1 in the Survival of Pathogenic Mycobacteria and Naïve T Cells. Front Immunol 2018; 9:1592. [PMID: 30042765 PMCID: PMC6049072 DOI: 10.3389/fimmu.2018.01592] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 06/27/2018] [Indexed: 12/02/2022] Open
Abstract
There are many different pathogenic stimuli that are able to activate the immune system, ranging from microbes that include bacteria, viruses, fungi, and parasites to host-derived triggers such as autoantigens that can induce autoimmunity as well as neoantigens involved in tumorigenesis. One of the key interactions shaping immunity toward these triggers involves the encounter of antigen-processing and -presenting cells such as macrophages and dendritic cells with T cells, resulting in immune responses that are highly selective for the antigenic trigger. Research over the past few years has implicated members of the coronin protein family, in particular coronin 1, in responses against several pathogenic triggers. While coronin 1 was initially described as a host factor allowing the intracellular survival of the pathogen Mycobacterium tuberculosis, subsequent work showed it to be a crucial factor for naïve T cell homeostasis. The activity of coronin 1 in allowing the intracellular survival of pathogenic mycobacteria is relatively well characterized, involving the activation of the Ca2+/calcineurin pathway, while coronin 1’s role in modulating naïve T cell homeostasis remains more enigmatic. In this mini review, we discuss the knowledge on the role for coronin 1 in immune cell functioning and provide a number of potential scenarios via which coronin 1 may be able to regulate naïve T cell homeostasis.
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Affiliation(s)
- Mayumi Mori
- Biozentrum, University of Basel, Basel, Switzerland
| | - Jean Pieters
- Biozentrum, University of Basel, Basel, Switzerland
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42
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Stutz MD, Clark MP, Doerflinger M, Pellegrini M. Mycobacterium tuberculosis: Rewiring host cell signaling to promote infection. J Leukoc Biol 2017; 103:259-268. [PMID: 29345343 PMCID: PMC6446910 DOI: 10.1002/jlb.4mr0717-277r] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 09/05/2017] [Accepted: 09/26/2017] [Indexed: 12/16/2022] Open
Abstract
The ability of Mycobacterium tuberculosis to cause disease hinges upon successfully thwarting the innate defenses of the macrophage host cell. The pathogen's trump card is its armory of virulence factors that throw normal host cell signaling into disarray. This process of subverting the macrophage begins upon entry into the cell, when M. tuberculosis actively inhibits the fusion of the bacilli‐laden phagosomes with lysosomes. The pathogen then modulates an array of host signal transduction pathways, which dampens the macrophage's host‐protective cytokine response, while simultaneously adapting host cell metabolism to stimulate lipid body accumulation. Mycobacterium tuberculosis also renovates the surface of its innate host cells by altering the expression of key molecules required for full activation of the adaptive immune response. Finally, the pathogen coordinates its exit from the host cell by shifting the balance from the host‐protective apoptotic cell death program toward a lytic form of host cell death. Thus, M. tuberculosis exploits its extensive repertoire of virulence factors in order to orchestrate the infection process to facilitate its growth, dissemination, and entry into latency. This review offers critical insights into the most recent advances in our knowledge of how M. tuberculosis manipulates host cell signaling. An appreciation of such interactions between the pathogen and host is critical for guiding novel therapies and understanding the factors that lead to the development of active disease in only a subset of exposed individuals.
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Affiliation(s)
- Michael D Stutz
- Division of Infection and Immunity, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
| | - Michelle P Clark
- Division of Infection and Immunity, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
| | - Marcel Doerflinger
- Division of Infection and Immunity, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
| | - Marc Pellegrini
- Division of Infection and Immunity, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia.,Department of Medical Biology, The University of Melbourne, Parkville, Victoria, Australia
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