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Abbasnia S, Hashem Asnaashari AM, Sharebiani H, Soleimanpour S, Mosavat A, Rezaee SA. Mycobacterium tuberculosis and host interactions in the manifestation of tuberculosis. J Clin Tuberc Other Mycobact Dis 2024; 36:100458. [PMID: 38983441 PMCID: PMC11231606 DOI: 10.1016/j.jctube.2024.100458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024] Open
Abstract
The final step of epigenetic processes is changing the gene expression in a new microenvironment in the body, such as neuroendocrine changes, active infections, oncogenes, or chemical agents. The case of tuberculosis (TB) is an outcome of Mycobacterium tuberculosis (M.tb) and host interaction in the manifestation of active and latent TB or clearance. This comprehensive review explains and interprets the epigenetics findings regarding gene expressions on the host-pathogen interactions in the development and progression of tuberculosis. This review introduces novel insights into the complicated host-pathogen interactions, discusses the challengeable results, and shows the gaps in the clear understanding of M.tb behavior. Focusing on the biological phenomena of host-pathogen interactions, the epigenetic changes, and their outcomes provides a promising future for developing effective TB immunotherapies when converting gene expression toward appropriate host immune responses gradually becomes attainable. Overall, this review may shed light on the dark sides of TB pathogenesis as a life-threatening disease. Therefore, it may support effective planning and implementation of epigenetics approaches for introducing proper therapies or effective vaccines.
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Affiliation(s)
- Shadi Abbasnia
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hiva Sharebiani
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Arman Mosavat
- Blood Borne Infections Research Center, Academic Center for Education, Culture, and Research (ACECR), Razavi Khorasan, Mashhad, Iran
| | - Seyed Abdolrahim Rezaee
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
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Parida KK, Lahiri M, Ghosh M, Dalal A, Kalia NP. P-glycoprotein inhibitors as an adjunct therapy for TB. Drug Discov Today 2024:104108. [PMID: 39032811 DOI: 10.1016/j.drudis.2024.104108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 07/08/2024] [Accepted: 07/15/2024] [Indexed: 07/23/2024]
Abstract
The primary challenge in TB treatment is the emergence of multidrug-resistant TB (MDR-TB). One of the major factors responsible for MDR is the upregulation of efflux pumps. Permeation-glycoprotein (P-gp), an efflux pump, hinders the bioavailability of the administered drugs inside the infected cells. Simultaneously, angiogenesis, the formation of new blood vessels, contributes to drug delivery complexities. TB infection triggers a cascade of events that upregulates the expression of angiogenic factors and P-gp. The combined action of P-gp and angiogenesis foster the emergence of MDR-TB. Understanding these mechanisms is pivotal for developing targeted interventions to overcome MDR in TB. P-gp inhibitors, such as verapamil, and anti-angiogenic drugs, including bevacizumab, have shown improvement in TB drug delivery to granuloma. In this review, we discuss the potential of P-gp inhibitors as an adjunct therapy to shorten TB treatment.
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Affiliation(s)
- Kishan Kumar Parida
- Department of Biological Sciences (Pharmacology and Toxicology), National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Monali Lahiri
- Department of Biological Sciences (Pharmacology and Toxicology), National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Mainak Ghosh
- Department of Biological Sciences (Pharmacology and Toxicology), National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Aman Dalal
- Department of Biological Sciences (Pharmacology and Toxicology), National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India
| | - Nitin Pal Kalia
- Department of Biological Sciences (Pharmacology and Toxicology), National Institute of Pharmaceutical Education and Research, Hyderabad, Telangana, India.
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Shankar G, Akhter Y. Stealing survival: Iron acquisition strategies of Mycobacteriumtuberculosis. Biochimie 2024:S0300-9084(24)00142-1. [PMID: 38901792 DOI: 10.1016/j.biochi.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/07/2024] [Accepted: 06/18/2024] [Indexed: 06/22/2024]
Abstract
Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), faces iron scarcity within the host due to immune defenses. This review explores the importance of iron for Mtb and its strategies to overcome iron restriction. We discuss how the host limits iron as an innate immune response and how Mtb utilizes various iron acquisition systems, particularly the siderophore-mediated pathway. The review illustrates the structure and biosynthesis of mycobactin, a key siderophore in Mtb, and the regulation of its production. We explore the potential of targeting siderophore biosynthesis and uptake as a novel therapeutic approach for TB. Finally, we summarize current knowledge on Mtb's iron acquisition and highlight promising directions for future research to exploit this pathway for developing new TB interventions.
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Affiliation(s)
- Gauri Shankar
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, Uttar Pradesh, 226 025, India
| | - Yusuf Akhter
- Department of Biotechnology, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, Uttar Pradesh, 226 025, India.
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Xu W, Yang J, Yu H, Li S. Diagnostic value of lncRNAs LINC00152 and LARS2-AS1 and their regulatory roles in macrophage immune response in tuberculosis. Tuberculosis (Edinb) 2024; 148:102530. [PMID: 38857553 DOI: 10.1016/j.tube.2024.102530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/12/2024]
Abstract
OBJECTIVES To determine the usefulness of LINC00152 and LARS2-AS1 as potential biomarkers for latent tuberculosis (LTB) and active tuberculosis (ATB), as well as their effect on Mycobacterium (Mtb) infection. METHODS The expression levels of LINC00152 and LARS2-AS1 in the health, patients with LTB and ATB were detected by qRT-PCR. The ROC curves were constructed to show their potential as biomarkers. The intracellular survival assays for Mtb and the levels of immune-related cytokines were determined to discover the effect of LINC00152 and LARS2-AS1 on Mtb infection. The relationships of miR-485-5p with LINC00152 and LARS2-AS1 were explored. RESULTS LINC00152 and LARS2-AS1 levels were significantly elevated in patients with ATB and LTB, and Mtb-infected macrophages. LINC00152 and LARS2-AS1 can distinguish the LTB from the health and ATB from LTB. LARS2-AS1 and LINC00152 knock-down reduced the intracellular Mtb survival and induced cellular immune response after Mtb challenge. miR-485-5p was a targeting miRNA for LINC00152 and LARS2-AS1. CONCLUSIONS LINC00152 and LARS2-AS1 can be considered as potential biomarkers for tuberculosis disease. LINC00152 and LARS2-AS1 have anti-Mtb effects.
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Affiliation(s)
- Wenlong Xu
- Department of Clinical Laboratory, Shanghai Yangsi Hospital, Shanghai, 200126, China
| | - Jihua Yang
- Department of Ultrasound, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
| | - Haizhen Yu
- Department of Clinical Laboratory, Zhucheng People's Hospital, Zhucheng, 262299, China
| | - Shizhen Li
- Department of Clinical Laboratory, Zhucheng People's Hospital, Zhucheng, 262299, China.
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Uthaya Kumar A, Ahmad Zan M, Ng CL, Chieng S, Nathan S. Diabetes and Infectious Diseases with a Focus on Melioidosis. Curr Microbiol 2024; 81:208. [PMID: 38833191 DOI: 10.1007/s00284-024-03748-z] [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: 01/12/2024] [Accepted: 05/19/2024] [Indexed: 06/06/2024]
Abstract
Diabetes mellitus (DM) leads to impaired innate and adaptive immune responses. This renders individuals with DM highly susceptible to microbial infections such as COVID-19, tuberculosis and melioidosis. Melioidosis is a tropical disease caused by the bacterial pathogen Burkholderia pseudomallei, where diabetes is consistently reported as the most significant risk factor associated with the disease. Type-2 diabetes is observed in 39% of melioidosis patients where the risk of infection is 13-fold higher than non-diabetic individuals. B. pseudomallei is found in the environment and is an opportunistic pathogen in humans, often exhibiting severe clinical manifestations in immunocompromised patients. The pathophysiology of diabetes significantly affects the host immune responses that play a critical role in fighting the infection, such as leukocyte and neutrophil impairment, macrophage and monocyte inhibition and natural killer cell dysfunction. These defects result in delayed recruitment as well as activation of immune cells to target the invading B. pseudomallei. This provides an advantage for the pathogen to survive and adapt within the immunocompromised diabetic patients. Nevertheless, knowledge gaps on diabetes-infectious disease comorbidity, in particular, melioidosis-diabetes comorbidity, need to be filled to fully understand the dysfunctional host immune responses and adaptation of the pathogen under diabetic conditions to guide therapeutic options.
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Affiliation(s)
- Asqwin Uthaya Kumar
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Muhammad Ahmad Zan
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Chyan-Leong Ng
- Institute of Systems Biology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Sylvia Chieng
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia
| | - Sheila Nathan
- Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia.
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Woo SJ, Kim Y, Kang HJ, Jung H, Youn DH, Hong Y, Lee JJ, Hong JY. Tuberculous pleural effusion-induced Arg-1 + macrophage polarization contributes to lung cancer progression via autophagy signaling. Respir Res 2024; 25:198. [PMID: 38720340 PMCID: PMC11077851 DOI: 10.1186/s12931-024-02829-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 04/30/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND The association between tuberculous fibrosis and lung cancer development has been reported by some epidemiological and experimental studies; however, its underlying mechanisms remain unclear, and the role of macrophage (MФ) polarization in cancer progression is unknown. The aim of the present study was to investigate the role of M2 Arg-1+ MФ in tuberculous pleurisy-assisted tumorigenicity in vitro and in vivo. METHODS The interactions between tuberculous pleural effusion (TPE)-induced M2 Arg-1+ MФ and A549 lung cancer cells were evaluated. A murine model injected with cancer cells 2 weeks after Mycobacterium bovis bacillus Calmette-Guérin pleural infection was used to validate the involvement of tuberculous fibrosis to tumor invasion. RESULTS Increased CXCL9 and CXCL10 levels of TPE induced M2 Arg-1+ MФ polarization of murine bone marrow-derived MФ. TPE-induced M2 Arg-1+ MФ polarization facilitated lung cancer proliferation via autophagy signaling and E-cadherin signaling in vitro. An inhibitor of arginase-1 targeting M2 Arg-1+ MФ both in vitro and in vivo significantly reduced tuberculous fibrosis-induced metastatic potential of lung cancer and decreased autophagy signaling and E-cadherin expression. CONCLUSION Tuberculous pleural fibrosis induces M2 Arg-1+ polarization, and M2 Arg-1+ MФ contribute to lung cancer metastasis via autophagy and E-cadherin signaling. Therefore, M2 Arg-1+ tumor associated MФ may be a novel therapeutic target for tuberculous fibrosis-induced lung cancer progression.
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Affiliation(s)
- Seong Ji Woo
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Youngmi Kim
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Hyun-Jung Kang
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Harry Jung
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Dong Hyuk Youn
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Yoonki Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Kangwon National University Hospital, Chuncheon, Republic of Korea
| | - Jae Jun Lee
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea
| | - Ji Young Hong
- Institute of New Frontier Research Team, Hallym University College of Medicine, Chuncheon, Republic of Korea.
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Chuncheon Sacred Heart Hospital, Hallym University Medical Center, Chuncheon, Republic of Korea.
- Department of Internal Medicine, Hallym University Chuncheon Hospital, Chuncheon, South Korea.
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Shang X, Maimaiti N, Fan J, Wang L, Wang Y, Sun H, Lv J, Zhang X, Wang J, Ma X. Triggering Receptor Expressed on Myeloid Cells 2 Mediates the Involvement of M2-Type Macrophages in Pulmonary Tuberculosis Infection. J Inflamm Res 2024; 17:1919-1928. [PMID: 38562656 PMCID: PMC10982454 DOI: 10.2147/jir.s435216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 03/14/2024] [Indexed: 04/04/2024] Open
Abstract
Background Macrophage play a significant work in the development of tuberculosis. This study aims to investigate the relationship between TREM2 and macrophage polarization, as well as the related cytokines. Methods This study involved 43 pulmonary tuberculosis patients and 37 healthy controls. Enzyme-linked immunosorbent assay (ELISA) was used to detect the expression levels of M1/M2 macrophage-related cytokines IL-10 and IL-12 in the peripheral blood of pulmonary tuberculosis patients. The relative mRNA expression levels of TREM2, IL-10 and IL-12 were detected using quantitative real-time PCR (qRT-PCR). Additionally, Spearman rank correlation analysis was used to preliminarily assess the correlation between TREM2 and M1 / M2 macrophages. Hematoxylin-eosin (HE) staining was performed to observe the pathological manifestations of pulmonary tuberculosis lesions. Immunohistochemical (IHC) staining was used to observe the localization of the macrophage-specific molecule CD68, the M1 specific molecule iNOS, the M2 specific molecule CD163, and TREM2. Results The lesions of pulmonary tuberculosis patients showed Langhans multinucleated macrophages and tuberculous granulomas. The ELISA results indicated that the expression levels of IL-10 and IL-12 were significantly increased in peripheral blood of pulmonary tuberculosis patients. Additionally, the relative mRNA expression levels of TREM2, IL-10 and IL-12 were also significantly higher in the pulmonary tuberculosis group. Furthermore, a positive correlation was observed between TREM2 and IL-10, which are secreted by M2 macrophages. IHC revealed significant positivity of TREM2 and macrophage-related markers in tuberculous granuloma. Specifically, TREM2 and M2 macrophage marker CD163 were significantly expressed in the cytoplasm and membrane of Langhans multinucleated macrophages. Conclusion The role of macrophage polarization in pulmonary tuberculosis is significant, and further investigation is needed to understand relationship between TREM2 and M2 macrophages.
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Affiliation(s)
- Xiaoqian Shang
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Naifeisha Maimaiti
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Jiahui Fan
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Liang Wang
- The Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Yuanyuan Wang
- First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Hu Sun
- First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Jie Lv
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
| | - Xiufeng Zhang
- Department of Respiratory Medicine, Second Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 570100, People's Republic of China
| | - Jing Wang
- Department of Respiratory Medicine, Second Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 570100, People's Republic of China
| | - Xiumin Ma
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, 830011, People's Republic of China
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Bai X, Wang Y, Ma X, Yang Y, Deng C, Sun M, Lin C, Zhang L. Periodontal ligament cells-derived exosomes promote osteoclast differentiation via modulating macrophage polarization. Sci Rep 2024; 14:1465. [PMID: 38233593 PMCID: PMC10794214 DOI: 10.1038/s41598-024-52073-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/12/2024] [Indexed: 01/19/2024] Open
Abstract
Several studies have demonstrated that exosomes (Exos) are involved in the regulation of macrophage polarization and osteoclast differentiation. However, the characteristics as well as roles of exosomes from human periodontal ligament cells (hPDLCs-Exos) in M1/M2 macrophage polarization and osteoclast differentiation remain unclear. Here, periodontal ligament cells were successfully extracted by method of improved Type-I collagen enzyme digestion. hPDLCs-Exos were extracted by ultracentrifugation. hPDLCs-Exos were identified by transmission electron microscopy (TEM), nanoparticle tracking analysis (NTA) and western blotting (WB). Osteoclast differentiation was evaluated by real-time quantitative polymerase chain reaction (RT-qPCR), WB and tartrate-resistant acid phosphatase (TRAP) staining. M1/M2 macrophage polarization were evaluated by RT-qPCR and WB. The results showed hPDLCs-Exos promoted osteoclast differentiation and M2 macrophage polarization, but inhibited M1 macrophage polarization. Moreover, M1 macrophages inhibited osteoclast differentiation, whereas M2 macrophages promoted osteoclast differentiation. It has shown that hPDLCs-Exos promoted osteoclast differentiation by inhibiting M1 and promoting M2 macrophage polarization.
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Affiliation(s)
- Xinyi Bai
- School of Medical, NanKai University, Tianjin, 300071, China
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China
| | - Yingxue Wang
- Tianjin Kanghui Hospital, Tianjin, Tianjin, 300385, China
| | - Xinyuan Ma
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China
- School of Clinical Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | | | - Cong Deng
- School of Medical, NanKai University, Tianjin, 300071, China
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China
| | - Mengling Sun
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China
- School of Clinical Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Chen Lin
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China.
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, China.
| | - Linkun Zhang
- Department of Orthodontics, Tianjin Stomatological Hospital, Tianjin, 300041, China.
- Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, China.
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Cupido G, Günther G. Post tuberculosis lung disease and tuberculosis sequelae: A narrative review. Indian J Tuberc 2024; 71:64-72. [PMID: 38296392 DOI: 10.1016/j.ijtb.2023.04.001] [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: 07/11/2022] [Revised: 03/28/2023] [Accepted: 04/05/2023] [Indexed: 02/08/2024]
Abstract
Post Tuberculosis lung disease (PTLD) and post tuberculosis sequelae is a global and poorly recognized problem, amplified by social factors and immunocompromising conditions, inadequate treatment, lack of effective prevention of tuberculosis (TB) infection and disease. As a disease, it remained until recently poorly defined, with studies heterogenous with regards to regions, population demographics, risk factors, cohort sizes, and methods. Pathophysiologically, even successfully treated pulmonary TB disease has sequelae i.e. involving central and peripheral airways, lung parenchyma and pleura, resulting in airway narrowing and dilatation, fibrocavitation and emphysema, pulmonary vascular changes as well as pleural fibrosis. Functionally patients have airflow limitation, restrictive disease or a mixture of both not rarely associated with respiratory, or even ventilatory failure. Quality of life is often impaired through disability, TB relapse, superinfections and through increased susceptibility to reinfection and persistent inflammation, leading to progressive lung function decline and an increased risk of cardiovascular disease and cancer. Premature mortality due to PTLD is very likely, but poorly described.
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Affiliation(s)
- Gordon Cupido
- Department of Internal Medicine, Katutura State Hospital, Windhoek, Namibia.
| | - Gunar Günther
- Department of Pulmonology and Allergology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland; Department of Medical Sciences, University of Namibia, School of Medicine, Windhoek, Namibia
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Dwivedi R, Baindara P. Differential Regulation of TFEB-Induced Autophagy during Mtb Infection and Starvation. Microorganisms 2023; 11:2944. [PMID: 38138088 PMCID: PMC10746089 DOI: 10.3390/microorganisms11122944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Through the promotion of phagolysosome formation, autophagy has emerged as a crucial mechanism to eradicate intracellular Mycobacterium tuberculosis (Mtb). A cell-autonomous host defense mechanism called lysosome biogenesis and autophagy transports cytoplasmic cargos and bacterial phagosomes to lysosomes for destruction during infection. Similar occurrences occurred in stressful or starvation circumstances and led to autophagy, which is harmful to the cell. It is interesting to note that under both hunger and infection states, the transcription factor EB (TFEB) acts as a master regulator of lysosomal activities and autophagy. This review highlighted recent research on the multitier regulation of TFEB-induced autophagy by a variety of host effectors and Mtb sulfolipid during Mtb infection and starvation. In general, the research presented here sheds light on how lysosome biogenesis and autophagy are differentially regulated by the TFEB during Mtb infection and starvation.
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Affiliation(s)
- Richa Dwivedi
- Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Piyush Baindara
- Radiation Oncology, NextGen Precision Health, School of Medicine, University of Missouri, Columbia, MO 65211, USA
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Aiassa LV, Battaglia G, Rizzello L. The multivalency game ruling the biology of immunity. BIOPHYSICS REVIEWS 2023; 4:041306. [PMID: 38505426 PMCID: PMC10914136 DOI: 10.1063/5.0166165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/27/2023] [Indexed: 03/21/2024]
Abstract
Macrophages play a crucial role in our immune system, preserving tissue health and defending against harmful pathogens. This article examines the diversity of macrophages influenced by tissue-specific functions and developmental origins, both in normal and disease conditions. Understanding the spectrum of macrophage activation states, especially in pathological situations where they contribute significantly to disease progression, is essential to develop targeted therapies effectively. These states are characterized by unique receptor compositions and phenotypes, but they share commonalities. Traditional drugs that target individual entities are often insufficient. A promising approach involves using multivalent systems adorned with multiple ligands to selectively target specific macrophage populations based on their phenotype. Achieving this requires constructing supramolecular structures, typically at the nanoscale. This review explores the theoretical foundation of engineered multivalent nanosystems, dissecting the key parameters governing specific interactions. The goal is to design targeting systems based on distinct cell phenotypes, providing a pragmatic approach to navigating macrophage heterogeneity's complexities for more effective therapeutic interventions.
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Fu J, Luo X, Lin M, Xiao Z, Huang L, Wang J, Zhu Y, Liu Y, Tao H. Marine-Fungi-Derived Gliotoxin Promotes Autophagy to Suppress Mycobacteria tuberculosis Infection in Macrophage. Mar Drugs 2023; 21:616. [PMID: 38132937 PMCID: PMC10745037 DOI: 10.3390/md21120616] [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: 10/26/2023] [Revised: 11/21/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
The Mycobacterium tuberculosis (MTB) infection causes tuberculosis (TB) and has been a long-standing public-health threat. It is urgent that we discover novel antitubercular agents to manage the increased incidence of multidrug-resistant (MDR) or extensively drug-resistant (XDR) strains of MTB and tackle the adverse effects of the first- and second-line antitubercular drugs. We previously found that gliotoxin (1), 12, 13-dihydroxy-fumitremorgin C (2), and helvolic acid (3) from the cultures of a deep-sea-derived fungus, Aspergillus sp. SCSIO Ind09F01, showed direct anti-TB effects. As macrophages represent the first line of the host defense system against a mycobacteria infection, here we showed that the gliotoxin exerted potent anti-tuberculosis effects in human THP-1-derived macrophages and mouse-macrophage-leukemia cell line RAW 264.7, using CFU assay and laser confocal scanning microscope analysis. Mechanistically, gliotoxin apparently increased the ratio of LC3-II/LC3-I and Atg5 expression, but did not influence macrophage polarization, IL-1β, TNF-a, IL-10 production upon MTB infection, or ROS generation. Further study revealed that 3-MA could suppress gliotoxin-promoted autophagy and restore gliotoxin-inhibited MTB infection, indicating that gliotoxin-inhibited MTB infection can be treated through autophagy in macrophages. Therefore, we propose that marine fungi-derived gliotoxin holds the promise for the development of novel drugs for TB therapy.
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Affiliation(s)
- Jun Fu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China; (J.F.)
| | - Xiaowei Luo
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Miaoping Lin
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Zimin Xiao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China; (J.F.)
| | - Lishan Huang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China; (J.F.)
| | - Jiaxi Wang
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Yongyan Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China; (J.F.)
| | - Yonghong Liu
- Guangxi Key Laboratory of Marine Drugs, Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Huaming Tao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China; (J.F.)
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Savchenko IV, Zlotnikov ID, Kudryashova EV. Biomimetic Systems Involving Macrophages and Their Potential for Targeted Drug Delivery. Biomimetics (Basel) 2023; 8:543. [PMID: 37999184 PMCID: PMC10669405 DOI: 10.3390/biomimetics8070543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/10/2023] [Accepted: 11/10/2023] [Indexed: 11/25/2023] Open
Abstract
The concept of targeted drug delivery can be described in terms of the drug systems' ability to mimic the biological objects' property to localize to target cells or tissues. For example, drug delivery systems based on red blood cells or mimicking some of their useful features, such as long circulation in stealth mode, have been known for decades. On the contrary, therapeutic strategies based on macrophages have gained very limited attention until recently. Here, we review two biomimetic strategies associated with macrophages that can be used to develop new therapeutic modalities: first, the mimicry of certain types of macrophages (i.e., the use of macrophages, including tumor-associated or macrophage-derived particles as a carrier for the targeted delivery of therapeutic agents); second, the mimicry of ligands, naturally absorbed by macrophages (i.e., the use of therapeutic agents specifically targeted at macrophages). We discuss the potential applications of biomimetic systems involving macrophages for new advancements in the treatment of infections, inflammatory diseases, and cancer.
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Affiliation(s)
| | | | - Elena V. Kudryashova
- Faculty of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1/3, 119991 Moscow, Russia (I.D.Z.)
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14
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Felkle D, Zięba K, Kaleta K, Czaja J, Zyzdorf A, Sobocińska W, Jarczyński M, Bryniarski K, Nazimek K. Overreactive macrophages in SARS-CoV-2 infection: The effects of ACEI. Int Immunopharmacol 2023; 124:110858. [PMID: 37708705 DOI: 10.1016/j.intimp.2023.110858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/16/2023]
Abstract
Among various factors influencing the course of SARS-CoV-2 infection in humans, macrophage overactivation is considered the main cause of the cytokine storm that leads to severe complications of COVID-19. Moreover, the increased expression of angiotensin converting enzyme 2 (ACE2), an obligatory entry receptor of the coronavirus, caused by treatment with ACE inhibitors (ACEI) lowered overall confidence in the safety of these drugs. However, analysis of the course of coronavirus infection in patients treated with ACEI does not support these concerns. Instead, the beneficial effect of ACEI on macrophages has increasingly been emphasized. This includes their anti-inflammatory activation and the consequent reduction in the risk of severe disease and life-threatening complications. Herein, we summarize the current knowledge and understanding of the dual role of macrophages in SARS-CoV-2 infection, with a special focus on the postulated mechanisms underlying the beneficial effects of macrophage targeting by ACEI. These seem to involve the stimulation of macrophage angiotensin II type 2 and Mas receptors by angiotensin 1-7, intensively produced due to the up-regulation of ACE2 expression on macrophages, as well as the direct inhibition of macrophage hyper-responsiveness by ACEI. The impact of ACEI on macrophages may also lead to the activation of an effective antiviral response due to the increased expression of ACE2.
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Affiliation(s)
- Dominik Felkle
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Katarzyna Zięba
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Konrad Kaleta
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Julia Czaja
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Amanda Zyzdorf
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Wiktoria Sobocińska
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Mateusz Jarczyński
- Students' Scientific Group at the Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Krzysztof Bryniarski
- Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland
| | - Katarzyna Nazimek
- Department of Immunology, Jagiellonian University Medical College, Czysta 18, 31-121 Kraków, Poland.
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15
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Sankar P, Mishra BB. Early innate cell interactions with Mycobacterium tuberculosis in protection and pathology of tuberculosis. Front Immunol 2023; 14:1260859. [PMID: 37965344 PMCID: PMC10641450 DOI: 10.3389/fimmu.2023.1260859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/26/2023] [Indexed: 11/16/2023] Open
Abstract
Tuberculosis (TB) remains a significant global health challenge, claiming the lives of up to 1.5 million individuals annually. TB is caused by the human pathogen Mycobacterium tuberculosis (Mtb), which primarily infects innate immune cells in the lungs. These immune cells play a critical role in the host defense against Mtb infection, influencing the inflammatory environment in the lungs, and facilitating the development of adaptive immunity. However, Mtb exploits and manipulates innate immune cells, using them as favorable niche for replication. Unfortunately, our understanding of the early interactions between Mtb and innate effector cells remains limited. This review underscores the interactions between Mtb and various innate immune cells, such as macrophages, dendritic cells, granulocytes, NK cells, innate lymphocytes-iNKT and ILCs. In addition, the contribution of alveolar epithelial cell and endothelial cells that constitutes the mucosal barrier in TB immunity will be discussed. Gaining insights into the early cellular basis of immune reactions to Mtb infection is crucial for our understanding of Mtb resistance and disease tolerance mechanisms. We argue that a better understanding of the early host-pathogen interactions could inform on future vaccination approaches and devise intervention strategies.
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Affiliation(s)
| | - Bibhuti Bhusan Mishra
- Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY, United States
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16
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Gouzy A. Use of single-cell technology to improve our understanding of the role of TLR2 in macrophage- Mycobacterium tuberculosis interaction. mSystems 2023; 8:e0073023. [PMID: 37787569 PMCID: PMC10654086 DOI: 10.1128/msystems.00730-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023] Open
Abstract
The interaction between Mycobacterium tuberculosis, the agent of tuberculosis (TB), and its host cell, the macrophage, is multifaceted, dynamic, and involves multiple molecular partners. A better understanding of this interaction could help researchers manipulate the immune system in order to design host-targeted immunotherapies and/or develop a novel vaccine protecting better adults against TB. Jani and coworkers studied the role of the macrophage receptor TLR2 in the response to M. tuberculosis using single-cell technologies (C. Jani, S. L. Solomon, J. M. Peters, and S. C. Pringle, et al., mSystems, https://doi.org/10.1128/msystems.00052-23, 2023). This work addresses the multiple challenges associated with such studies and shows how informative single-cell analysis can be for the study of heterogeneous and complex host-pathogen interactions.
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Affiliation(s)
- Alexandre Gouzy
- Department of Microbiology and Immunology, Weill Cornell Medical College, New York, New York, USA
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17
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Wufuer D, Li Y, Aierken H, Zheng J. Bioinformatics-led discovery of ferroptosis-associated diagnostic biomarkers and molecule subtypes for tuberculosis patients. Eur J Med Res 2023; 28:445. [PMID: 37853432 PMCID: PMC10585777 DOI: 10.1186/s40001-023-01371-5] [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: 04/17/2023] [Accepted: 09/13/2023] [Indexed: 10/20/2023] Open
Abstract
BACKGROUND Ferroptosis is closely associated with the pathophysiological processes of many diseases, such as infection, and is characterized by the accumulation of excess lipid peroxides on the cell membranes. However, studies on the ferroptosis-related diagnostic markers in tuberculosis (TB) is still lacking. Our study aimed to explore the role of ferroptosis-related biomarkers and molecular subtypes in TB. METHODS GSE83456 dataset was applied to identify ferroptosis-related genes (FRGs) associated with TB, and GSE42826, GSE28623, and GSE34608 datasets for external validation of core biomarkers. Core FRGs were identified using weighted gene co-expression network analysis (WGCNA). Subsequently, two ferroptosis-related subtypes were constructed based on ferroptosis score, and differently expressed analysis, GSEA, GSEA, immune cell infiltration analysis between the two subtypes were performed.Affiliations: Please check and confirm that the authors and their respective affiliations have been correctly identified and amend if necessary.correctly RESULTS: A total of 22 FRGs were identified, of which three genes (CHMP5, SAT1, ZFP36) were identified as diagnostic biomarkers that were enriched in pathways related to immune-inflammatory response. In addition, TB patients were divided into high- and low-ferroptosis subtypes (HF and LF) based on ferroptosis score. HF patients had activated immune- and inflammation-related pathways and higher immune cell infiltration levels than LF patients. CONCLUSION Three potential diagnostic biomarkers and two ferroptosis-related subtypes were identified in TB patients, which would help to understand the pathogenesis of TB.Author names: Kindly check and confirm the process of the author names [2,4]correctly.
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Affiliation(s)
- Dilinuer Wufuer
- The First Affiliated Hospital of Guangzhou Medical University/National Clinical Research Center for Respiratory Disease/National Respiratory Medical Center/State Key Laboratory of Respiratory Disease/Guangzhou Institute of Respiratory Health, NO. 151 Yanjang Road, Guangzhou, 510120, China
| | - YuanYuan Li
- Department of Respiratory Medicine, Eighth Affiliated Hospital of Xinjiang Medical University, Urumqi, 830049, Xinjiang, China
| | - Haidiya Aierken
- Department of Respiratory Medicine, First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830054, Xinjiang, China
| | - JinPing Zheng
- The First Affiliated Hospital of Guangzhou Medical University/National Clinical Research Center for Respiratory Disease/National Respiratory Medical Center/State Key Laboratory of Respiratory Disease/Guangzhou Institute of Respiratory Health, NO. 151 Yanjang Road, Guangzhou, 510120, China.
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18
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Krishnan V, Nath S, Nair P, Das B. Mycobacterium tuberculosis and its clever approaches to escape the deadly macrophage. World J Microbiol Biotechnol 2023; 39:300. [PMID: 37667129 DOI: 10.1007/s11274-023-03735-9] [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: 06/21/2023] [Accepted: 08/19/2023] [Indexed: 09/06/2023]
Abstract
Mycobacterium tuberculosis (Mt.b), a deadly disease causer, is a facultative parasite. This microorganism has developed several methods to defend itself, once internalized within specialised vacuoles in the macrophages. A wide array of receptors like the complement receptor mannose receptors, scavenger receptor assists the entry of the microbe within the phagocytic macrophages. However, Mt.b is clever enough to protect itself from the hostile environment of the macrophage thereby prevailing within it. The microbe can efficiently inhibit processes like phagosome-lysosome fusion, acidification of phagosomes, release of proinflammatory cytokines and stop crucial events like apoptosis. Additionally, it also adopts resistance to killing by reactive oxygen intermediates and reactive nitrogen intermediates. There are multiple genes both in host and the pathogen which are involved in this successful survival of Mt.b. The regulation of phagolysosome fusion is mediated by proteins such as Coronin, TlyA, SapM, PnkG, EsxH. The microbe has certain mechanisms to even acquire iron from the host cell, to withstand iron deprivation as a mode of host's defence mechanism. This review focuses on the various defensive adaptations acquired by Mt.b for fighting against the deprived conditions existing within the macrophages and their capability of proliferating successfully within it, thereby resulting in a diseased condition.
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Affiliation(s)
- Vinaya Krishnan
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India
| | | | - Preetha Nair
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India
| | - Bannhi Das
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India.
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19
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Pahuja I, Verma A, Ghoshal A, Mukhopadhyay S, Kumari A, Shaji A, Chaturvedi S, Dwivedi VP, Bhaskar A. Biapenem, a Carbapenem Antibiotic, Elicits Mycobacteria Specific Immune Responses and Reduces the Recurrence of Tuberculosis. Microbiol Spectr 2023; 11:e0085823. [PMID: 37272833 PMCID: PMC10434282 DOI: 10.1128/spectrum.00858-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/23/2023] [Indexed: 06/06/2023] Open
Abstract
Tuberculosis (TB) still tops the list of global health burdens even after COVID-19. However, it will sooner transcend the current pandemic due to the prevailing risk of reactivation of latent TB in immunocompromised individuals. The indiscriminate misuse and overuse of antibiotics have resulted in the emergence of deadly drug-resistant variants of Mycobacterium tuberculosis (M.tb). This study aims to characterize the functionality of the carbapenem antibiotic-Biapenem (BPM) in generating long-lasting immunity against TB. BPM treatment significantly boosted the activation status of the innate immune arm-macrophages by augmenting p38 signaling. Macrophages further primed and activated the adaptive immune cells CD4+ and CD8+ T-cells in the lung and spleen of the infected mice model. Furthermore, BPM treatment significantly amplified the polarization of T lymphocytes toward inflammatory subsets, such as Th1 and Th17. The treatment also helped generate a long-lived central memory T-cell subset. The generation of central memory T lymphocyte subset upon BPM treatment in the murine model led to a significant curtailing in the recurrence of TB due to reactivation and reinfection. These results suggest the potentiality of BPM as a potent adjunct immunomodulator to improve host defense against M.tb by enriching long-term protective memory cells. IMPORTANCE Tuberculosis (TB) caused by Mycobacterium tuberculosis (M.tb) tops the list of infectious killers around the globe. The emergence of drug-resistant variants of M.tb has been a major hindrance toward realizing the "END TB" goal. Drug resistance has amplified the global burden toward the quest for novel drug molecules targeting M.tb. Host-directed therapy (HDT) offers a lucrative alternative to tackle emerging drug resistance and disease relapse by strengthening the host's immunity. Through our present study, we have tried to characterize the functionality of the carbapenem antibiotic-Biapenem (BPM). BPM treatment significantly augmented long-lasting immunity against TB by boosting the innate and adaptive immune arms. The generation of long-lived central memory T lymphocyte subset significantly improved the disease outcome and provided sterilizing immunity in the murine model of TB. The present investigation's encouraging results have helped us depict BPM as a potent adjunct immunomodulator for treating TB.
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Affiliation(s)
- Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
- Department of Molecular Medicine, Jamia Hamdard University, New Delhi, India
| | - Akanksha Verma
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Antara Ghoshal
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Suparba Mukhopadhyay
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Anjna Kumari
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Aishwarya Shaji
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Shivam Chaturvedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ved Prakash Dwivedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ashima Bhaskar
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
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20
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Zhuang L, Ye Z, Li L, Yang L, Gong W. Next-Generation TB Vaccines: Progress, Challenges, and Prospects. Vaccines (Basel) 2023; 11:1304. [PMID: 37631874 PMCID: PMC10457792 DOI: 10.3390/vaccines11081304] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023] Open
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis (MTB), is a prevalent global infectious disease and a leading cause of mortality worldwide. Currently, the only available vaccine for TB prevention is Bacillus Calmette-Guérin (BCG). However, BCG demonstrates limited efficacy, particularly in adults. Efforts to develop effective TB vaccines have been ongoing for nearly a century. In this review, we have examined the current obstacles in TB vaccine research and emphasized the significance of understanding the interaction mechanism between MTB and hosts in order to provide new avenues for research and establish a solid foundation for the development of novel vaccines. We have also assessed various TB vaccine candidates, including inactivated vaccines, attenuated live vaccines, subunit vaccines, viral vector vaccines, DNA vaccines, and the emerging mRNA vaccines as well as virus-like particle (VLP)-based vaccines, which are currently in preclinical stages or clinical trials. Furthermore, we have discussed the challenges and opportunities associated with developing different types of TB vaccines and outlined future directions for TB vaccine research, aiming to expedite the development of effective vaccines. This comprehensive review offers a summary of the progress made in the field of novel TB vaccines.
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Affiliation(s)
- Li Zhuang
- Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Senior Department of Tuberculosis, Eighth Medical Center of Chinese PLA General Hospital, Beijing 100091, China
- Hebei North University, Zhangjiakou 075000, China
| | - Zhaoyang Ye
- Hebei North University, Zhangjiakou 075000, China
| | - Linsheng Li
- Hebei North University, Zhangjiakou 075000, China
| | - Ling Yang
- Hebei North University, Zhangjiakou 075000, China
| | - Wenping Gong
- Beijing Key Laboratory of New Techniques of Tuberculosis Diagnosis and Treatment, Senior Department of Tuberculosis, Eighth Medical Center of Chinese PLA General Hospital, Beijing 100091, China
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21
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Nguyen KH, Alcantara CA, Glassman I, May N, Mundra A, Mukundan A, Urness B, Yoon S, Sakaki R, Dayal S, Chowdhury T, Harshavardhan S, Ramanathan V, Venketaraman V. Cutaneous Manifestations of Mycobacterium tuberculosis: A Literature Review. Pathogens 2023; 12:920. [PMID: 37513768 PMCID: PMC10385667 DOI: 10.3390/pathogens12070920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/01/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Tuberculosis is an ancient disease that humanity struggled with for centuries and continues to struggle with. The bacteria Mycobacterium tuberculosis often infects the lungs through respiratory transmission and manifests itself through various symptoms, including cutaneous infections. Cutaneous tuberculosis (CTB) comprises about 1% to 1.5% of all extrapulmonary manifestations and is often accompanied by polymorphous lesions, including papules, nodules, plaques, ulcers, gummas, and verrucous lesions. CTB is most commonly observed in low-income, HIV, and immunosuppressed populations, similar to intrapulmonary manifestations. The main pathogen for CTB is M. tuberculosis but less commonly with M. bovis and BCG vaccine, and the modes of transmission are largely classified into exogenous and endogenous CTB. Current treatment options for CTB include oral therapy of antibiotic medications such as rifampicin, streptomycin, ethambutol, isoniazid, and pyrazinamide, which is occasionally combined with surgical intervention.
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Affiliation(s)
- Kevin H Nguyen
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Cheldon Ann Alcantara
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Ira Glassman
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Nicole May
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Akaash Mundra
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Abinanda Mukundan
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Bianca Urness
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Sonyeol Yoon
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Roajhaan Sakaki
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Surbi Dayal
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Tanzila Chowdhury
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Shakila Harshavardhan
- Department of Molecular Microbiology, Madurai Kamaraj University, Tamil Nadu 625021, India
| | - Vadakupattu Ramanathan
- Department of Pathology, National Institute for Research in Tuberculosis, Chennai 600031, India
| | - Vishwanath Venketaraman
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
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22
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Hassanin ESA, Mohamed Hussein AA, Abdelrheem SS, Dongol E, Mhsb AHA, Zahran AM, Zein M, G Sayed I. Frequency of rifampicin-resistant mycobacterium tuberculosis by GeneXpert MTB/RIF assay and its correlates among 2605 probable tuberculosis patients in upper Egypt. Indian J Tuberc 2023; 70:345-355. [PMID: 37562911 DOI: 10.1016/j.ijtb.2022.09.004] [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: 04/22/2022] [Revised: 06/24/2022] [Accepted: 09/14/2022] [Indexed: 08/12/2023]
Abstract
RATIONALE GeneXpert MTB/RIF (Mycobacterium tuberculosis/rifampicin) assay is a method for detecting rifampicin resistance (RR-MTB) in suspected samples in less than 2 hours with high sensitivity and specificity yield. This study aimed to use the GeneXpert MTB/RIF assay to determine the frequency of RR-MTB and to study the possible influencing correlates associated with positive results. SUBJECTS AND METHODS This is a retrospective cross-sectional study of patients who visited TB clinic in 5 years (2016-2021). According to the data sheet of the patients, all the collected specimens were divided into 2 parts one for diagnosis by Ziehl-Neelsen stain and the other part for GeneXpert analysis. GeneXpert was also used to look for evidence of RR. RESULTS Out of the 2605 total samples screened, 718 (27.6%) tested positive for MTB on GeneXpert assay; of them 633 (88.4%) were sensitive to Rifampicin, 83 (11.6%) were resistant to Rifampicin and 2 cases were undetermined. Factors contributing to RR-MTB were: smoker/ex-smoker, with 2.5 times more risk (p = 0.013.0, p = 0.001); recurrence cases had a 4-fold increased risk (p < 0.001); patients with very low M. tuberculosis detected on the GeneXpert MTB/RIF test were 8 times more likely to have RR-TB (P = 0.004). CONCLUSION This study disclosed a high-rate MTB in Egyptian probable TB cases. Smoking, recurrence and cases with a very low M. tuberculosis burden noticed on the GeneXpert MTB/RIF test had augmented risk of RR-TB.
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Affiliation(s)
| | | | - Shaimaa S Abdelrheem
- Department of Public Health and Community Medicine, Faculty of Medicine, Aswan University, Egypt and Armed Forces College of Medicine (AFCM), Cairo, Egypt
| | | | | | - Asmaa M Zahran
- Clinical Pathology Department, South Egypt Cancer Institute Assiut University, Egypt
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23
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Kayongo A, Nyiro B, Siddharthan T, Kirenga B, Checkley W, Lutaakome Joloba M, Ellner J, Salgame P. Mechanisms of lung damage in tuberculosis: implications for chronic obstructive pulmonary disease. Front Cell Infect Microbiol 2023; 13:1146571. [PMID: 37415827 PMCID: PMC10320222 DOI: 10.3389/fcimb.2023.1146571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 06/05/2023] [Indexed: 07/08/2023] Open
Abstract
Pulmonary tuberculosis is increasingly recognized as a risk factor for COPD. Severe lung function impairment has been reported in post-TB patients. Despite increasing evidence to support the association between TB and COPD, only a few studies describe the immunological basis of COPD among TB patients following successful treatment completion. In this review, we draw on well-elaborated Mycobacterium tuberculosis-induced immune mechanisms in the lungs to highlight shared mechanisms for COPD pathogenesis in the setting of tuberculosis disease. We further examine how such mechanisms could be exploited to guide COPD therapeutics.
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Affiliation(s)
- Alex Kayongo
- Department of Medicine, Center for Emerging Pathogens, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
- Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
- Makerere University College of Health Sciences, Lung Institute, Makerere University, Kampala, Uganda
| | - Brian Nyiro
- Department of Medicine, Center for Emerging Pathogens, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
- Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Trishul Siddharthan
- Division of Pulmonary and Critical Care Medicine, University of Miami, Miami, FL, United States
| | - Bruce Kirenga
- Makerere University College of Health Sciences, Lung Institute, Makerere University, Kampala, Uganda
| | - William Checkley
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, United States
- Center for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, MD, United States
| | - Moses Lutaakome Joloba
- Makerere University College of Health Sciences, Lung Institute, Makerere University, Kampala, Uganda
| | - Jerrold Ellner
- Department of Medicine, Center for Emerging Pathogens, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
| | - Padmini Salgame
- Department of Medicine, Center for Emerging Pathogens, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, United States
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24
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Sadee W, Cheeseman IH, Papp A, Pietrzak M, Seweryn M, Zhou X, Lin S, Williams AM, Wewers MD, Curry HM, Zhang H, Cai H, Kunsevi-Kilola C, Tshivhula H, Walzl G, Restrepo BI, Kleynhans L, Ronacher K, Wang Y, Arnett E, Azad AK, Schlesinger LS. Human alveolar macrophage response to Mycobacterium tuberculosis: immune characteristics underlying large inter-individual variability. RESEARCH SQUARE 2023:rs.3.rs-2986649. [PMID: 37333188 PMCID: PMC10275041 DOI: 10.21203/rs.3.rs-2986649/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Background Mycobacterium tuberculosis (M.tb), the causative bacterium of tuberculosis (TB), establishes residence and grows in human alveolar macrophages (AMs). Inter-individual variation in M.tb-human AM interactions can indicate TB risk and the efficacy of therapies and vaccines; however, we currently lack an understanding of the gene and protein expression programs that dictate this variation in the lungs. Results Herein, we systematically analyze interactions of a virulent M.tb strain H37Rv with freshly isolated human AMs from 28 healthy adult donors, measuring host RNA expression and secreted candidate proteins associated with TB pathogenesis over 72h. A large set of genes possessing highly variable inter-individual expression levels are differentially expressed in response to M.tb infection. Eigengene modules link M.tb growth rate with host transcriptional and protein profiles at 24 and 72h. Systems analysis of differential RNA and protein expression identifies a robust network with IL1B, STAT1, and IDO1 as hub genes associated with M.tb growth. RNA time profiles document stimulation towards an M1-type macrophage gene expression followed by emergence of an M2-type profile. Finally, we replicate these results in a cohort from a TB-endemic region, finding a substantial portion of significant differentially expressed genes overlapping between studies. Conclusions We observe large inter-individual differences in bacterial uptake and growth, with tenfold variation in M.tb load by 72h.The fine-scale resolution of this work enables the identification of genes and gene networks associated with early M.tb growth dynamics in defined donor clusters, an important step in developing potential biological indicators of individual susceptibility to M.tb infection and response to therapies.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Hong Cai
- University of Texas at San Antonio
| | | | | | | | - Blanca I Restrepo
- University of Texas Rio Grande Valley, South Texas Diabetes and Obesity Institute
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25
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Herrera M, Keynan Y, Lopez L, Marín D, Vélez L, McLaren PJ, Rueda ZV. Cytokine/chemokine profiles in people with recent infection by Mycobacterium tuberculosis. Front Immunol 2023; 14:1129398. [PMID: 37261336 PMCID: PMC10229054 DOI: 10.3389/fimmu.2023.1129398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/26/2023] [Indexed: 06/02/2023] Open
Abstract
Introduction The risk of progression to tuberculosis disease is highest within the first year after M. tuberculosis infection (TBI). We hypothesize that people with newly acquired TBI have a unique cytokine/chemokine profile that could be used as a potential biomarker. Methods We evaluated socio-demographic variables and 18 cytokines/chemokines in plasma samples from a cohort of people deprived of liberty (PDL) in two Colombian prisons: 47 people diagnosed with pulmonary TB, 24 with new TBI, and 47 non-infected individuals. We performed a multinomial regression to identify the immune parameters that differentiate the groups. Results The concentration of immune parameters changed over time and was affected by the time of incarceration. The concentration of sCD14, IL-18 and IP-10 differed between individuals with new TBI and short and long times of incarceration. Among people with short incarceration, high concentrations of MIP-3α were associated with a higher risk of a new TBI, and higher concentrations of Eotaxin were associated with a lower risk of a new TBI. Higher concentrations of sCD14 and TNF-α were associated with a higher risk of TB disease, and higher concentrations of IL-18 and MCP-1 were associated with a lower risk of TB disease. Conclusions There were cytokines/chemokines associated with new TBI and TB disease. However, the concentration of immune mediators varies by the time of incarceration among people with new TBI. Further studies should evaluate the changes of these and other cytokines/chemokines over time to understand the immune mechanisms across the spectrum of TB.
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Affiliation(s)
- Mariana Herrera
- Epidemiology Doctorate, Facultad Nacional de Salud Pública, Universidad de Antioquia, Medellín, Colombia
- Department of Medical Microbiology & Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
| | - Yoav Keynan
- Department of Medical Microbiology & Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Departments of Internal Medicine and Community Health Sciences, University of Manitoba, Winnipeg, MB, Canada
- Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Lucelly Lopez
- Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
- Grupo de Investigación en Salud Pública, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Diana Marín
- Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
- Grupo de Investigación en Salud Pública, Universidad Pontificia Bolivariana, Medellín, Colombia
| | - Lázaro Vélez
- Grupo Investigador de Problemas en Enfermedades Infecciosas (GRIPE), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Paul J. McLaren
- Department of Medical Microbiology & Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- JC Wilt Infectious Diseases Research Centre, Public Health Agency of Canada, Winnipeg, MB, Canada
| | - Zulma Vanessa Rueda
- Department of Medical Microbiology & Infectious Diseases, University of Manitoba, Winnipeg, MB, Canada
- Facultad de Medicina, Universidad Pontificia Bolivariana, Medellín, Colombia
- Grupo de Investigación en Salud Pública, Universidad Pontificia Bolivariana, Medellín, Colombia
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26
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Bansal A, Yanamaladoddi VR, Sarvepalli SS, Vemula SL, Aramadaka S, Mannam R, Sankara Narayanan R. Surviving Pulmonary Tuberculosis: Navigating the Long Term Respiratory Effects. Cureus 2023; 15:e38811. [PMID: 37303367 PMCID: PMC10251183 DOI: 10.7759/cureus.38811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2023] [Indexed: 06/13/2023] Open
Abstract
Tuberculosis is a transmissible disease caused by the bacteria Mycobacterium tuberculosis, which is a cause of significant morbidity and mortality all over the world. Tuberculosis has a number of risk factors, such as living in a developing country, poor ventilation, smoking, male sex, etc., which not only increase the chance of infection but may be independent factors for impairment in pulmonary function as well. In this review article, we have compiled several studies to learn how tuberculosis causes impaired lung function and further explored the long-term effects of tuberculosis on the same. We studied tuberculosis's effect on the lungs even after appropriate treatment and its relationship with obstructive and restrictive lung disorders. A significant relationship exists between chronic respiratory disorders and tuberculosis even after treatment; hence, we believe prevention is far superior to cure.
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Affiliation(s)
- Arpit Bansal
- Internal Medicine, Narayana Medical College, Nellore, IND
| | | | | | | | | | - Raam Mannam
- Internal Medicine, Narayana Medical College, Nellore, IND
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27
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Harnessing Innate Immunity to Treat Mycobacterium tuberculosis Infections: Heat-Killed Caulobacter crescentus as a Novel Biotherapeutic. Cells 2023; 12:cells12040560. [PMID: 36831226 PMCID: PMC9954702 DOI: 10.3390/cells12040560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/29/2023] [Accepted: 02/02/2023] [Indexed: 02/12/2023] Open
Abstract
Tuberculosis, caused by Mycobacterium tuberculosis (Mtb), is a serious and devastating infectious disease worldwide. Approximately a quarter of the world population harbors latent Mtb infection without pathological consequences. Exposure of immunocompetent healthy individuals with Mtb does not result in active disease in more than 90% individuals, suggesting a defining role of host immunity to prevent and/or clear early infection. However, innate immune stimulation strategies have been relatively underexplored for the treatment of tuberculosis. In this study, we used cell culture and mouse models to examine the role of a heat-killed form of a non-pathogenic microbe, Caulobacter crescentus (HKCC), in inducing innate immunity and limiting Mtb infection. We also examined the added benefits of a distinct chemo-immunotherapeutic strategy that incorporates concurrent treatments with low doses of a first-line drug isoniazid and HKCC. This therapeutic approach resulted in highly significant reductions in disseminated Mtb in the lungs, liver, and spleen of mice compared to either agent alone. Our studies demonstrate the potential of a novel innate immunotherapeutic strategy with or without antimycobacterial drugs in controlling Mtb infection in mice and open new avenues for the treatment of tuberculosis in humans.
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28
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Wallis RS, O'Garra A, Sher A, Wack A. Host-directed immunotherapy of viral and bacterial infections: past, present and future. Nat Rev Immunol 2023; 23:121-133. [PMID: 35672482 PMCID: PMC9171745 DOI: 10.1038/s41577-022-00734-z] [Citation(s) in RCA: 71] [Impact Index Per Article: 71.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2022] [Indexed: 02/06/2023]
Abstract
The advent of COVID-19 and the persistent threat of infectious diseases such as tuberculosis, malaria, influenza and HIV/AIDS remind us of the marked impact that infections continue to have on public health. Some of the most effective protective measures are vaccines but these have been difficult to develop for some of these infectious diseases even after decades of research. The development of drugs and immunotherapies acting directly against the pathogen can be equally challenging, and such pathogen-directed therapeutics have the potential disadvantage of selecting for resistance. An alternative approach is provided by host-directed therapies, which interfere with host cellular processes required for pathogen survival or replication, or target the host immune response to infection (immunotherapies) to either augment immunity or ameliorate immunopathology. Here, we provide a historical perspective of host-directed immunotherapeutic interventions for viral and bacterial infections and then focus on SARS-CoV-2 and Mycobacterium tuberculosis, two major human pathogens of the current era, to indicate the key lessons learned and discuss candidate immunotherapeutic approaches, with a focus on drugs currently in clinical trials.
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Affiliation(s)
- Robert S Wallis
- The Aurum Institute, Johannesburg, South Africa.
- Vanderbilt University, Nashville, TN, USA.
- Rutgers University, Newark, NJ, USA.
- Case Western Reserve University, Cleveland, OH, USA.
| | - Anne O'Garra
- Immunoregulation and Infection Laboratory, The Francis Crick Institute, London, UK
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Andreas Wack
- Immunoregulation Laboratory, The Francis Crick Institute, London, UK.
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29
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Ravon F, Menchi E, Lambot C, Al Kattar S, Chraibi S, Remmelink M, Fontaine V, Wauthoz N. In vitro and in vivo local tolerability of a synergistic anti-tuberculosis drug combination intended for pulmonary delivery. J Appl Toxicol 2023; 43:298-311. [PMID: 35997255 DOI: 10.1002/jat.4381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/12/2022] [Accepted: 08/17/2022] [Indexed: 01/17/2023]
Abstract
A drug combination, vancomycin (VAN) plus tetrahydrolipstatin (THL), has demonstrated an effective synergistic action in vitro against Mycobacterium tuberculosis (Mtb). The poor oral bioavailability of VAN and THL and the predominant tropism of Mtb infection to the lungs make their pulmonary administration very attractive. To evaluate their local tolerability, bronchial cells, alveolar cells and monocytes were exposed to concentrations around and above their minimal inhibitory concentration (MIC). The VAN had no inhibitory activity on the tested human cell lines, even at a concentration 125 times higher than its MIC, whereas the THL, alone or in combination with VAN, presented a cytostatic action. Monolayer epithelium showed no significant irreversible damage at concentrations up to 100 times the combination MIC. BALB/cAnNRj mice exposed to concentration of 50 times the combination MIC delivered endotracheally 3 times a week for 3 weeks showed no clinical signs or significant weight loss. The increase of proinflammatory biomarkers (i.e., IL-1, IL-6, TNF-α and proportion of inflammatory cells) and cytotoxicity in bronchoalveolar lavage fluid (BALF) were non-significant. Lung histopathology did not show significant tissue damage. The VAN/THL combination at doses up to 50 times the combination MIC is found to be thus well tolerated by pulmonary route. This study is a promising result and encouraging further investigations of pulmonary administration of VAN/THL combination as dry powder for anti-tuberculosis treatment.
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Affiliation(s)
- Faustine Ravon
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium.,Unit of Microbiology, Bioorganic and Macromolecular Chemistry, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Elena Menchi
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Coralie Lambot
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Sahar Al Kattar
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium.,Unit of Microbiology, Bioorganic and Macromolecular Chemistry, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Selma Chraibi
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Myriam Remmelink
- Department of Pathology, Hôpital Erasme, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Véronique Fontaine
- Unit of Microbiology, Bioorganic and Macromolecular Chemistry, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Nathalie Wauthoz
- Unit of Pharmaceutics and Biopharmaceutics, Faculty of Pharmacy, Université libre de Bruxelles (ULB), Brussels, Belgium
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30
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Nanosized Drug Delivery Systems to Fight Tuberculosis. Pharmaceutics 2023; 15:pharmaceutics15020393. [PMID: 36839715 PMCID: PMC9964171 DOI: 10.3390/pharmaceutics15020393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/17/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Tuberculosis (TB) is currently the second deadliest infectious disease. Existing antitubercular therapies are long, complex, and have severe side effects that result in low patient compliance. In this context, nanosized drug delivery systems (DDSs) have the potential to optimize the treatment's efficiency while reducing its toxicity. Hundreds of publications illustrate the growing interest in this field. In this review, the main challenges related to the use of drug nanocarriers to fight TB are overviewed. Relevant publications regarding DDSs for the treatment of TB are classified according to the encapsulated drugs, from first-line to second-line drugs. The physicochemical and biological properties of the investigated formulations are listed. DDSs could simultaneously (i) optimize the therapy's antibacterial effects; (ii) reduce the doses; (iii) reduce the posology; (iv) diminish the toxicity; and as a global result, (v) mitigate the emergence of resistant strains. Moreover, we highlight that host-directed therapy using nanoparticles (NPs) is a recent promising trend. Although the research on nanosized DDSs for TB treatment is expanding, clinical applications have yet to be developed. Most studies are only dedicated to the development of new formulations, without the in vivo proof of concept. In the near future, it is expected that NPs prepared by "green" scalable methods, with intrinsic antibacterial properties and capable of co-encapsulating synergistic drugs, may find applications to fight TB.
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31
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A Structural View at Vaccine Development against M. tuberculosis. Cells 2023; 12:cells12020317. [PMID: 36672252 PMCID: PMC9857197 DOI: 10.3390/cells12020317] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Tuberculosis (TB) is still the leading global cause of death from an infectious bacterial agent. Limiting tuberculosis epidemic spread is therefore an urgent global public health priority. As stated by the WHO, to stop the spread of the disease we need a new vaccine, with better coverage than the current Mycobacterium bovis BCG vaccine. This vaccine was first used in 1921 and, since then, there are still no new licensed tuberculosis vaccines. However, there is extremely active research in the field, with a steep acceleration in the past decades, due to the advance of technologies and more rational vaccine design strategies. This review aims to gather latest updates in vaccine development in the various clinical phases and to underline the contribution of Structural Vaccinology (SV) to the development of safer and effective antigens. In particular, SV and the development of vaccine adjuvants is making the use of subunit vaccines, which are the safest albeit the less antigenic ones, an achievable goal. Indeed, subunit vaccines overcome safety concerns but need to be rationally re-engineered to enhance their immunostimulating effects. The larger availability of antigen structural information as well as a better understanding of the complex host immune response to TB infection is a strong premise for a further acceleration of TB vaccine development.
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32
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Larkins-Ford J, Aldridge BB. Advances in the design of combination therapies for the treatment of tuberculosis. Expert Opin Drug Discov 2023; 18:83-97. [PMID: 36538813 PMCID: PMC9892364 DOI: 10.1080/17460441.2023.2157811] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Tuberculosis requires lengthy multi-drug therapy. Mycobacterium tuberculosis occupies different tissue compartments during infection, making drug access and susceptibility patterns variable. Antibiotic combinations are needed to ensure each compartment of infection is reached with effective drug treatment. Despite drug combinations' role in treating tuberculosis, the design of such combinations has been tackled relatively late in the drug development process, limiting the number of drug combinations tested. In recent years, there has been significant progress using in vitro, in vivo, and computational methodologies to interrogate combination drug effects. AREAS COVERED This review discusses the advances in these methodologies and how they may be used in conjunction with new successful clinical trials of novel drug combinations to design optimized combination therapies for tuberculosis. Literature searches for approaches and experimental models used to evaluate drug combination effects were undertaken. EXPERT OPINION We are entering an era richer in combination drug effect and pharmacokinetic/pharmacodynamic data, genetic tools, and outcome measurement types. Application of computational modeling approaches that integrate these data and produce predictive models of clinical outcomes may enable the field to generate novel, effective multidrug therapies using existing and new drug combination backbones.
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Affiliation(s)
- Jonah Larkins-Ford
- Department of Molecular Biology and Microbiology and Tufts University School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA
- Stuart B. Levy Center for Integrated Management of Antimicrobial Resistance (CIMAR), Tufts University, Boston, MA, USA
- Current address: MarvelBiome Inc, Woburn, MA, USA
| | - Bree B. Aldridge
- Department of Molecular Biology and Microbiology and Tufts University School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA, USA
- Stuart B. Levy Center for Integrated Management of Antimicrobial Resistance (CIMAR), Tufts University, Boston, MA, USA
- Department of Biomedical Engineering, Tufts University School of Engineering, Medford, MA, USA
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33
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Wang GY, Lu B, Cui X, Li G, Zhang K, Zhang QS, Cui X, Qi GF, Liang QL, Luo XB, Xu HG, Xiao L, Wang L, Li L. An intelligent peptide recognizes and traps Mycobacterium tuberculosis to inhibit macrophage phagocytosis. J Mater Chem B 2022; 11:180-187. [PMID: 36484315 DOI: 10.1039/d2tb01764d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tuberculosis is a major public health concern worldwide, and it is a serious threat to human health for a long period. Macrophage phagocytosis of Mycobacterium tuberculosis (M. tuberculosis) is a crucial process for granuloma formation, which shelters the bacteria and gives them an opportunity for re-activation and spread. Herein, we report an intelligent anti-microbial peptide that can recognize and trap the M. tuberculosis, inhibiting the macrophage phagocytosis process. The peptide (Bis-Pyrene-KLVFF-WHSGTPH, in abbreviation as BFH) first self-assembles into nanoparticles, and then forms nanofibers upon recognizing and binding M. tuberculosis. Subsequently, BFH traps M. tuberculosis by the in situ formed nanofibrous networks and the trapped M. tuberculosis are unable to invade host cells (macrophages). The intelligent anti-microbial peptide can significantly inhibit the phagocytosis of M. tuberculosis by macrophages, thereby providing a favorable theoretical basis for inhibiting the formation of tuberculosis granulomas.
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Affiliation(s)
- Gui-Yuan Wang
- Department of Graduate, Hebei North University, Zhangjiakou, 075000, Hebei Province, China.,CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Bin Lu
- Department of Orthopedics, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng road, Beijing, 100091, China.
| | - Xu Cui
- Department of Orthopedics, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng road, Beijing, 100091, China.
| | - Guang Li
- Department of Orthopedics, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng road, Beijing, 100091, China.
| | - Kuo Zhang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Qing-Shi Zhang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Xin Cui
- Department of Graduate, Hebei North University, Zhangjiakou, 075000, Hebei Province, China.,CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Gao-Feng Qi
- Department of Graduate, Hebei North University, Zhangjiakou, 075000, Hebei Province, China.,CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Qi-Lin Liang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Xiao-Bo Luo
- Department of Orthopedics, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng road, Beijing, 100091, China.
| | - Huan-Ge Xu
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Li Xiao
- Institute of Respiratory and Critical Medicine, the Eighth Medical Center of PLA General Hospital, Beijing 100091, China
| | - Lei Wang
- CAS Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Beijing, 100190, China.
| | - Litao Li
- Department of Orthopedics, The 4th Medical Center of Chinese PLA General Hospital, No. 51 Fucheng road, Beijing, 100091, China.
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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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35
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Wang J, Sha J, Strong E, Chopra AK, Lee S. FDA-Approved Amoxapine Effectively Promotes Macrophage Control of Mycobacteria by Inducing Autophagy. Microbiol Spectr 2022; 10:e0250922. [PMID: 36129262 PMCID: PMC9602717 DOI: 10.1128/spectrum.02509-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/03/2022] [Indexed: 01/04/2023] Open
Abstract
Antibiotic resistance poses a significant hurdle in combating global public health crises, prompting the development of novel therapeutics. Strategies to enhance the intracellular killing of mycobacteria by targeting host defense mechanisms offer numerous beneficial effects, which include reducing cytotoxicity caused by current lengthy anti-tubercular treatment regimens and slowing or circumventing the development of multidrug-resistant strains. The intracellular pathogen Mycobacterium tuberculosis infects macrophages and exploits host machinery to survive and multiply. Using a cell-based screen of FDA-approved drugs, we identified an antidepressant, Amoxapine, capable of inhibiting macrophage cytotoxicity during mycobacterial infection. Notably, this reduced cytotoxicity was related to the enhanced intracellular killing of Mycobacterium bovis BCG and M. tuberculosis within human and murine macrophages. Interestingly, we discovered that postinfection treatment with Amoxapine inhibited mTOR (mammalian target of rapamycin) activation, resulting in the induction of autophagy without affecting autophagic flux in macrophages. Also, inhibition of autophagy by chemical inhibitor 3-MA or knockdown of an essential component of the autophagic pathway, ATG16L1, significantly diminished Amoxapine's intracellular killing effects against mycobacteria in the host cells. Finally, we demonstrated that Amoxapine treatment enhanced host defense against M. tuberculosis in mice. In conclusion, our study identified Amoxapine as a novel host-directed drug that enhances the intracellular killing of mycobacteria by induction of autophagy, with concomitant protection of macrophages against death. IMPORTANCE The emergence and spread of multidrug-resistant (MDR) and extensive drug-resistant (XDR) TB urges the development of new therapeutics. One promising approach to combat drug resistance is targeting host factors necessary for the bacteria to survive or replicate while simultaneously minimizing the dosage of traditional agents. Moreover, repurposing FDA-approved drugs presents an attractive avenue for reducing the cost and time associated with new drug development. Using a cell-based screen of FDA-approved host-directed therapies (HDTs), we showed that Amoxapine inhibits macrophage cytotoxicity during mycobacterial infection and enhances the intracellular killing of mycobacteria within macrophages by activating the autophagy pathway, both in vitro and in vivo. These findings confirm targeted autophagy as an effective strategy for developing new HDT against mycobacteria.
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Affiliation(s)
- Jia Wang
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Jian Sha
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Emily Strong
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Ashok K. Chopra
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
| | - Sunhee Lee
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA
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Simper JD, Perez E, Schlesinger LS, Azad AK. Resistance and Susceptibility Immune Factors at Play during Mycobacterium tuberculosis Infection of Macrophages. Pathogens 2022; 11:pathogens11101153. [PMID: 36297211 PMCID: PMC9611686 DOI: 10.3390/pathogens11101153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 11/28/2022] Open
Abstract
Tuberculosis (TB), caused by infection with Mycobacterium tuberculosis (M.tb), is responsible for >1.5 million deaths worldwide annually. Innate immune cells, especially macrophages, are the first to encounter M.tb, and their response dictates the course of infection. During infection, macrophages exert a variety of immune factors involved in either controlling or promoting the growth of M.tb. Research on this topic has been performed in both in vitro and in vivo animal models with discrepant results in some cases based on the model of study. Herein, we review macrophage resistance and susceptibility immune factors, focusing primarily on recent advances in the field. We include macrophage cellular pathways, bioeffector proteins and molecules, cytokines and chemokines, associated microbiological factors and bacterial strains, and host genetic factors in innate immune genes. Recent advances in mechanisms underlying macrophage resistance and susceptibility factors will aid in the successful development of host-directed therapeutics, a topic emphasized throughout this review.
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Affiliation(s)
- Jan D. Simper
- Host-Pathogen Interaction Program, Texas Biomedical Research Institute, 8715 W. Military Drive, San Antonio, TX 78227, USA
- Department of Microbiology, Immunology and Molecular Genetics, UT Health Science Center San Antonio, San Antonio, TX 78229, USA
| | - Esteban Perez
- Host-Pathogen Interaction Program, Texas Biomedical Research Institute, 8715 W. Military Drive, San Antonio, TX 78227, USA
- Translational Sciences Program, UT Health San Antonio Graduate School of Biomedical Sciences, San Antonio, TX 78229, USA
| | - Larry S. Schlesinger
- Host-Pathogen Interaction Program, Texas Biomedical Research Institute, 8715 W. Military Drive, San Antonio, TX 78227, USA
- Correspondence: (L.S.S.); (A.K.A.); Tel.: +1-210-258-9578 (L.S.S.); +1-210-258-9467 (A.K.A.)
| | - Abul K. Azad
- Host-Pathogen Interaction Program, Texas Biomedical Research Institute, 8715 W. Military Drive, San Antonio, TX 78227, USA
- Correspondence: (L.S.S.); (A.K.A.); Tel.: +1-210-258-9578 (L.S.S.); +1-210-258-9467 (A.K.A.)
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Gough M, Singh DK, Singh B, Kaushal D, Mehra S. System-wide identification of myeloid markers of TB disease and HIV-induced reactivation in the macaque model of Mtb infection and Mtb/SIV co-infection. Front Immunol 2022; 13:777733. [PMID: 36275677 PMCID: PMC9583676 DOI: 10.3389/fimmu.2022.777733] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 08/17/2022] [Indexed: 11/13/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) has developed specialized mechanisms to parasitize its host cell, the macrophage. These mechanisms allow it to overcome killing by oxidative burst and persist in the wake of an inflammatory response. Mtb infection in the majority of those exposed is controlled in an asymptomatic form referred to as latent tuberculosis infection (LTBI). HIV is a well-known catalyst of reactivation of LTBI to active TB infection (ATB). Through the use of nonhuman primates (NHPs) co-infected with Mtb and Simian Immunodeficiency Virus (Mtb/SIV), we are able to simulate human progression of TB/AIDS comorbidity. The advantage of NHP models is that they recapitulate the breadth of human TB outcomes, including immune control of infection, and loss of this control due to SIV co-infection. Identifying correlates of immune control of infection is important for both vaccine and therapeutics development. Using macaques infected with Mtb or Mtb/SIV and with different clinical outcomes we attempted to identify signatures between those that progress to active infection after SIV challenge (reactivators) and those that control the infection (non-reactivators). We particularly focused on pathways relevant to myeloid origin cells such as macrophages, as these innate immunocytes have an important contribution to the initial control or the lack thereof, following Mtb infection. Using bacterial burden, C-reactive protein (CRP), and other clinical indicators of disease severity as a guide, we were able to establish gene signatures of host disease state and progression. In addition to gene signatures, clustering algorithms were used to differentiate between host disease states and identify relationships between genes. This allowed us to identify clusters of genes which exhibited differential expression profiles between the three groups of macaques: ATB, LTBI and Mtb/SIV. The gene signatures were associated with pathways relevant to apoptosis, ATP production, phagocytosis, cell migration, and Type I interferon (IFN), which are related to macrophage function. Our results suggest novel macrophage functions that may play roles in the control of Mtb infection with and without co-infection with SIV. These results particularly point towards an interplay between Type I IFN signaling and IFN-γ signaling, and the resulting impact on lung macrophages as an important determinant of progression to TB.
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Zhou X, Zhang Z, Xu H, Zhu B, Zhang L, Lie L, Huang Y, Du X, Liu H, Li Y, Huang Y, Hu S, Zhou C, Wen Q, Pepplenbosch MP, Ma L. Viperin impairs the innate immune response through the IRAK1-TRAF6-TAK1 axis to promote Mtb infection. Sci Signal 2022; 15:eabe1621. [PMID: 36194648 DOI: 10.1126/scisignal.abe1621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Mycobacterium tuberculosis (Mtb) infection is a long-standing public health threat, and the development of host-directed therapy for eradicating Mtb infection requires better insights into Mtb-host interactions. Viperin [virus-inhibitory protein, endoplasmic reticulum-associated, interferon (IFN) inducible] is an IFN-inducible protein with broad antiviral activities. Here, we demonstrated that Viperin was increased in abundance in patients with lymphatic and pulmonary tuberculosis (TB). Viperin-deficient mice had decreased Mtb bacterial loads and enhanced macrophage responses compared with their wild-type counterparts. Viperin suppressed the formation of a complex containing interleukin-1 receptor-associated kinase 1, TNF receptor-associated factor 6, and transforming growth factor β-activated kinase 1 (TAK1) and inhibited the TAK1-dependent activation of IκB kinase α/β, thereby impairing the production of nitric oxide and proinflammatory cytokines. These results suggest that Viperin promotes Mtb infection by inhibiting host innate immune responses in macrophages, suggesting that Viperin may be a candidate target for adjunct host-directed therapy in patients with TB.
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Affiliation(s)
- Xinying Zhou
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Zelin Zhang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Hui Xu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Bo Zhu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Lijie Zhang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Linmiao Lie
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yingqi Huang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Xialin Du
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Honglin Liu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yanfen Li
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Yulan Huang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Shengfeng Hu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Chaoying Zhou
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Qian Wen
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
| | - Mailkel P Pepplenbosch
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Li Ma
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou 510515, China
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Panda S, Seelan DM, Faisal S, Arora A, Luthra K, Palanichamy JK, Mohan A, Vikram NK, Gupta NK, Ramakrishnan L, Singh A. Chronic hyperglycemia drives alterations in macrophage effector function in pulmonary tuberculosis. Eur J Immunol 2022; 52:1595-1609. [PMID: 36066992 DOI: 10.1002/eji.202249839] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 07/05/2022] [Accepted: 09/05/2022] [Indexed: 12/14/2022]
Abstract
Diabetes mellitus (DM) alters immune responses and given the rising prevalence of DM in tuberculosis (TB) endemic countries; hyperglycemia can be a potential risk factor for active TB development. However, the impact of hyperglycemia on TB-specific innate immune response in terms of macrophage functions remains poorly addressed. We assessed macrophage effector functions in uncontrolled DM patients with or without TB infection (PTB+DM and DM), non-diabetic TB patients (PTB), and non-diabetic-uninfected controls. Phagocytic capacity against BCG and surface expression of different pattern recognition receptors (PRRs) (CD11b, CD14, CD206, MARCO, and TLR-2) were measured via flow cytometry. Effector molecules (ROS and NO) required for bacterial killing were assessed via DCFDA and Griess reaction respectively. A systematic dysregulation in phagocytic capacity with concurrent alterations in the expression pattern of key PRRs (CD11b, MARCO, and CD206) was observed in PTB+DM. These altered PRR expressions were associated with decreased phagocytic capacity of macrophages. Similarly, ROS was aberrantly higher while NO was lower in PTB+DM. These altered macrophage functions were positively correlated with increasing disease severity. Our results highlight several key patterns of immune dysregulation against TB infection under hyperglycemic conditions and highlight a negative impact of hyperglycemia with etiology and progression of TB.
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Affiliation(s)
- Sudhasini Panda
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Diravya M Seelan
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Shah Faisal
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Alisha Arora
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Kalpana Luthra
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | | | - Anant Mohan
- Department of Pulmonary Medicine, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Naval K Vikram
- Department of Medicine, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Neeraj Kumar Gupta
- Department of Pulmonary Medicine, VMMC and Safdarjung Hospital, New Delhi, 110029, India
| | - Lakshmy Ramakrishnan
- Department of Cardiac Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Archana Singh
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
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Wherry TLT, Stabel JR. Bovine Immunity and Vitamin D 3: An Emerging Association in Johne's Disease. Microorganisms 2022; 10:microorganisms10091865. [PMID: 36144467 PMCID: PMC9500906 DOI: 10.3390/microorganisms10091865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 11/16/2022] Open
Abstract
Mycobacterium avium subspecies paratuberculosis (MAP) is an environmentally hardy pathogen of ruminants that plagues the dairy industry. Hallmark clinical symptoms include granulomatous enteritis, watery diarrhea, and significant loss of body condition. Transition from subclinical to clinical infection is a dynamic process led by MAP which resides in host macrophages. Clinical stage disease is accompanied by dysfunctional immune responses and a reduction in circulating vitamin D3. The immunomodulatory role of vitamin D3 in infectious disease has been well established in humans, particularly in Mycobacterium tuberculosis infection. However, significant species differences exist between the immune system of humans and bovines, including effects induced by vitamin D3. This fact highlights the need for continued study of the relationship between vitamin D3 and bovine immunity, especially during different stages of paratuberculosis.
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Affiliation(s)
- Taylor L. T. Wherry
- Department of Veterinary Pathology, Iowa State University, Ames, IA 50011, USA
- Infectious Bacterial Diseases Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), National Animal Disease Center, Ames, IA 50010, USA
| | - Judith R. Stabel
- Infectious Bacterial Diseases Research Unit, United States Department of Agriculture-Agricultural Research Service (USDA-ARS), National Animal Disease Center, Ames, IA 50010, USA
- Correspondence:
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Shah PT, Tufail M, Wu C, Xing L. THP-1 cell line model for tuberculosis: A platform for in vitro macrophage manipulation. Tuberculosis (Edinb) 2022; 136:102243. [PMID: 35963145 DOI: 10.1016/j.tube.2022.102243] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/20/2022] [Accepted: 07/31/2022] [Indexed: 11/18/2022]
Abstract
Macrophages are large mononuclear phagocytic cells that play a vital role in the immune response. They are present in all body tissues with extremely heterogeneous and plastic phenotypes that adapt to the organs and tissues in which they live and respond in the first-line against invading microorganisms. Tuberculosis (TB) is caused by the pathogenic bacteria Mycobacterium tuberculosis (Mtb), which is among the top 10 global infectious agents and the leading cause of mortality, ranking above human immunodeficiency virus (HIV), as a single infectious agent. Macrophages, upon Mtb infection, not only phagocytose the bacteria and present the antigens to T-cells, but also react rapidly by developing antimycobacterial immune response depending highly on the production of cytokines. However, Mtb is also capable of intracellular survival in instances of sub-optimal activation of macrophages. Hence, several systems have been established to evaluate the Mtb-macrophage interaction, where the THP-1 monocytes have been developed as an attractive model for in vitro polarized monocyte-derived macrophages. This model is extensively used for Mtb as well as other intracellular bacterial studies. Herein, we have summarized the updated implications of the THP-1 model for TB-related studies and discussed the pros and cons compared to other cell models of TB.
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Affiliation(s)
- Pir Tariq Shah
- Institutes of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Muhammad Tufail
- Institutes of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China
| | - Changxin Wu
- Institutes of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China; The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, China; Shanxi Provincial Key Laboratory for Prevention and Treatment of Major Infectious Diseases, 92 Wucheng Road, Taiyuan, 030006, China
| | - Li Xing
- Institutes of Biomedical Sciences, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, Shanxi province, China; The Key Laboratory of Medical Molecular Cell Biology of Shanxi Province, Shanxi University, 92 Wucheng Road, Taiyuan, 030006, China; Shanxi Provincial Key Laboratory for Prevention and Treatment of Major Infectious Diseases, 92 Wucheng Road, Taiyuan, 030006, China.
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Evaluating the Performance of PPE44, HSPX, ESAT-6 and CFP-10 Factors in Tuberculosis Subunit Vaccines. Curr Microbiol 2022; 79:260. [PMID: 35852636 PMCID: PMC9295111 DOI: 10.1007/s00284-022-02949-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 06/23/2022] [Indexed: 11/26/2022]
Abstract
Mycobacterium tuberculosis (M. tuberculosis) is an intracellular pathogen causing long-term infection in humans that mainly attacks macrophages and can escape from the immune system with the various mechanisms. The only FDA-approved vaccine against M. tuberculosis (MTB) is Mycobacterium bovis bacillus Calmette-Guérin (BCG). The protection of this vaccine typically lasts 10–15 years. Due to the increasing number of people becoming ill with MTB each year worldwide, the need to develop a new effective treatment against the disease has been increased. During the past two decades, the research budget for TB vaccine has quadrupled to over half a billion dollars. Most of these research projects were based on amplifying and stimulating the response of T-cells and developing the subunit vaccines. Additionally, these studies have demonstrated that secretory and immunogenic proteins of MTB play a key role in the pathogenesis of the bacteria. Therefore, these proteins were used to develop the new subunit vaccines. In this review, based on the use of these proteins in the successful new subunit vaccines, the PPE44, HSPX, CFP-10 and ESAT-6 antigens were selected and the role of these antigens in designing and developing new subunit vaccines against TB and for the prevention of TB were investigated.
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Khoza LJ, Kumar P, Dube A, Demana PH, Choonara YE. Insights into Innovative Therapeutics for Drug-Resistant Tuberculosis: Host-Directed Therapy and Autophagy Inducing Modified Nanoparticles. Int J Pharm 2022; 622:121893. [PMID: 35680110 PMCID: PMC9169426 DOI: 10.1016/j.ijpharm.2022.121893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/31/2022] [Accepted: 06/02/2022] [Indexed: 10/25/2022]
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Saghazadeh A, Rezaei N. Vascular endothelial growth factor levels in tuberculosis: A systematic review and meta-analysis. PLoS One 2022; 17:e0268543. [PMID: 35613134 PMCID: PMC9132289 DOI: 10.1371/journal.pone.0268543] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 05/03/2022] [Indexed: 12/21/2022] Open
Abstract
Background Changes in endothelial function are implicated in the spread of tuberculosis (TB). Studies suggest a role for the vascular endothelial growth factor (VEGF) in TB-related endothelial function changes. However, the findings of studies investigating the VGEF profile in TB are not consistent, and no formal systematic review and meta-analysis exists summarizing these studies. Methods We did a meta-analysis of studies assessing VEGF levels in patients with TB. A systematic search on June 25, 2021, was conducted for eligible studies that made VEGF measurements in an unstimulated sample, e.g., a blood fraction (plasma or serum), cerebrospinal fluid (CSF), pleural effusion (PE), or bronchoalveolar lavage fluid, and ascites or pericardial fluid for patients with TB and controls without TB. Also, studies that made simultaneous measurements of VEGF in blood and PE or CSF in the same patients with TB were included. Longitudinal studies that provided these data at baseline or compared pre-post anti-tuberculosis treatment (ATT) levels of VEGF were included. The primary outcome was the standardized mean difference (SMD) of VEGF levels between the comparison groups. Results 52 studies were included in the meta-analysis. There were 1787 patients with TB and 3352 control subjects of eight categories: 107 patients with transudative pleural effusion, 228 patients with congestive heart failure (CHF)/chronic renal failure (CRF), 261 patients with empyema and parapneumonic effusion (PPE), 241 patients with cirrhosis, 694 healthy controls (with latent TB infection or uninfected individuals), 20 patients with inactive tuberculous meningitis (TBM), 123 patients with non-TBM, and 1678 patients with malignancy. The main findings are as follows: (1) serum levels of VEGF are higher in patients with active TB compared with healthy controls without other respiratory diseases, including those with latent TB infection or uninfected individuals; (2) both serum and pleural levels of VEGF are increased in patients with TPE compared with patients with transudative, CHF/CRF, or cirrhotic pleural effusion; (3) ascitic/pericardial fluid, serum, and pleural levels of VEGF are decreased in patients with TB compared with patients with malignancy; (4) pleural levels of VEGF are lower in patients with TPE compared with those with empyema and PPE, whereas serum levels of VEGF are not different between these patients; (5) both CSF and serum levels of VEGF are increased in patients with active TBM compared with controls, including patients with inactive TBM or non-TBM subjects; (6) post-ATT levels of VEGF are increased compared with pre-ATT levels of VEGF; and (7) the mean age and male percentage of the TB group explained large and total amount of heterogeneity for the meta-analysis of blood and pleural VEGF levels compared with healthy controls and patients with PPE, respectively, whereas these moderators did not show any significant interaction with the effect size for other analyses. Discussion The important limitation of the study is that we could not address the high heterogeneity among studies. There might be unmeasured factors behind this heterogeneity that need to be explored in future research. Meta-analysis findings align with the hypothesis that TB may be associated with abnormal vascular function, and both local and systemic levels of VEGF can be used to trace this abnormality.
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Affiliation(s)
- Amene Saghazadeh
- Research Center for Immunodeficiencies, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Systematic Review and Meta-Analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- * E-mail:
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Niu L, Luo G, Liang R, Qiu C, Yang J, Xie L, Zhang K, Tian Y, Wang D, Song S, Takiff HE, Wong KW, Fan X, Gao Q, Yan B. Negative Regulator Nlrc3-like Maintain the Balanced Innate Immune Response During Mycobacterial Infection in Zebrafish. Front Immunol 2022; 13:893611. [PMID: 35693809 PMCID: PMC9174460 DOI: 10.3389/fimmu.2022.893611] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/25/2022] [Indexed: 01/02/2023] Open
Abstract
The NOD-like receptors (NLRs) have been shown to be involved in infection and autoinflammatory disease. Previously, we identified a zebrafish NLR, nlrc3-like, required for macrophage homeostasis in the brain under physiological conditions. Here, we found that a deficiency of nlrc3-like leads to decreased bacterial burden at a very early stage of Mycobacterium marinum infection, along with increased production of pro-inflammatory cytokines, such as il-1β and tnf-α. Interestingly, myeloid-lineage specific overexpression of nlrc3-like achieved the opposite effects, suggesting that the impact of nlrc3-like on the host anti-mycobacterial response is mainly due to its expression in the innate immune system. Fluorescence-activated cell sorting (FACS) and subsequent gene expression analysis demonstrated that inflammasome activation-related genes were upregulated in the infected macrophages of nlrc3-like deficient embryos. By disrupting asc, encoding apoptosis-associated speck-like protein containing a CARD, a key component for inflammasome activation, the bacterial burden increased in asc and nlrc3-like double deficient embryos compared with nlrc3-like single deficient embryos, implying the involvement of inflammasome activation in infection control. We also found extensive neutrophil infiltration in the nlrc3-like deficient larvae during infection, which was associated with comparable bacterial burden but increased tissue damage and death at a later stage that could be alleviated by administration of dexamethasone. Our findings uncovered an important role of nlrc3-like in the negative regulation of macrophage inflammasome activation and neutrophil infiltration during mycobacterial infection. This highlights the importance of a balanced innate immune response during mycobacterial infection and provides a potential molecular basis to explain how anti-inflammatory drugs can improve treatment outcomes in TB patients whose infection is accompanied by a hyperinflammatory response.
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Affiliation(s)
- Liangfei Niu
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Geyang Luo
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology [Ministry of Education (MOE)/National Health Commission (NHC)/Chinese Academy of Medical Sciences (CAMS)], School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
| | - Rui Liang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Chenli Qiu
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Jianwei Yang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- School of Medicine, Xizang Minzu University, Xianyang, China
| | - Lingling Xie
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Kaile Zhang
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- School of Life Sciences, Bengbu Medical College, Bengbu, China
| | - Yu Tian
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- School of Life Sciences, Bengbu Medical College, Bengbu, China
| | - Decheng Wang
- Medical College, China Three Gorges University, Yichang, China
| | - Shu Song
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Howard E. Takiff
- Department of Tuberculosis Control and Prevention, Shenzhen Nanshan Centre for Chronic Disease Control, Shenzhen, China
- Laboratorio de Genética Molecular, CMBC, Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela
| | - Ka-Wing Wong
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Xiaoyong Fan
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Qian Gao
- Shanghai Public Health Clinical Center, Key Laboratory of Medical Molecular Virology [Ministry of Education (MOE)/National Health Commission (NHC)/Chinese Academy of Medical Sciences (CAMS)], School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- *Correspondence: Bo Yan, ; Qian Gao,
| | - Bo Yan
- Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
- *Correspondence: Bo Yan, ; Qian Gao,
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Jurkowitz MS, Azad AK, Monsma PC, Keiser TL, Kanyo J, Lam TT, Bell CE, Schlesinger LS. Mycobacterium tuberculosis encodes a YhhN family membrane protein with lysoplasmalogenase activity that protects against toxic host lysolipids. J Biol Chem 2022; 298:101849. [PMID: 35314194 PMCID: PMC9052158 DOI: 10.1016/j.jbc.2022.101849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 03/07/2022] [Accepted: 03/10/2022] [Indexed: 11/09/2022] Open
Abstract
The pathogen Mycobacterium tuberculosis (M.tb) resides in human macrophages, wherein it exploits host lipids for survival. However, little is known about the interaction between M.tb and macrophage plasmalogens, a subclass of glycerophospholipids with a vinyl ether bond at the sn-1 position of the glycerol backbone. Lysoplasmalogens, produced from plasmalogens by hydrolysis at the sn-2 carbon by phospholipase A2, are potentially toxic but can be broken down by host lysoplasmalogenase, an integral membrane protein of the YhhN family that hydrolyzes the vinyl ether bond to release a fatty aldehyde and glycerophospho-ethanolamine or glycerophospho-choline. Curiously, M.tb encodes its own YhhN protein (MtbYhhN), despite having no endogenous plasmalogens. To understand the purpose of this protein, the gene for MtbYhhN (Rv1401) was cloned and expressed in Mycobacterium smegmatis (M.smeg). We found the partially purified protein exhibited abundant lysoplasmalogenase activity specific for lysoplasmenylethanolamine or lysoplasmenylcholine (pLPC) (Vmax∼15.5 μmol/min/mg; Km∼83 μM). Based on cell density, we determined that lysoplasmenylethanolamine, pLPC, lysophosphatidylcholine, and lysophosphatidylethanolamine were not toxic to M.smeg cells, but pLPC and LPC were highly toxic to M.smeg spheroplasts, which are cell wall-deficient mycobacterial forms. Importantly, spheroplasts prepared from M.smeg cells overexpressing MtbYhhN were protected from membrane disruption/lysis by pLPC, which was rapidly depleted from the media. Finally, we found that overexpression of full-length MtbYhhN in M.smeg increased its survival within human macrophages by 2.6-fold compared to vector controls. These data support the hypothesis that MtbYhhN protein confers a growth advantage for mycobacteria in macrophages by cleaving toxic host pLPC into potentially energy-producing products.
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Affiliation(s)
- Marianne S Jurkowitz
- Department of Biological Chemistry and Pharmacology, The Ohio State University, Columbus, Ohio, USA.
| | - Abul K Azad
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, Texas, USA
| | - Paula C Monsma
- Department of Neuroscience, Ohio State University, Columbus, Ohio, USA
| | - Tracy L Keiser
- Department of Moleculaire Microbiologie, Vrije Universiteit, Amsterdam, the Netherlands
| | - Jean Kanyo
- Keck MS & Proteomics Resource, Yale University, New Haven, Connecticut, USA
| | - TuKiet T Lam
- Keck MS & Proteomics Resource, Yale University, New Haven, Connecticut, USA; Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, Connecticut, USA
| | - Charles E Bell
- Department of Biological Chemistry and Pharmacology, The Ohio State University, Columbus, Ohio, USA; Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio, USA
| | - Larry S Schlesinger
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, Texas, USA.
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47
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McCallum AD, Pertinez HE, Chirambo AP, Sheha I, Chasweka M, Malamba R, Shani D, Chitani A, Mallewa JE, Meghji JZ, Ghany JF, Corbett EL, Gordon SB, Davies GR, Khoo SH, Sloan DJ, Mwandumba HC. High intrapulmonary rifampicin and isoniazid concentrations are associated with rapid sputum bacillary clearance in patients with pulmonary tuberculosis. Clin Infect Dis 2022; 75:1520-1528. [PMID: 35325074 PMCID: PMC9617580 DOI: 10.1093/cid/ciac228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Indexed: 12/04/2022] Open
Abstract
Background Intrapulmonary pharmacokinetics may better explain response to tuberculosis (TB) treatment than plasma pharmacokinetics. We explored these relationships by modeling bacillary clearance in sputum in adult patients on first-line treatment in Malawi. Methods Bacillary elimination rates (BER) were estimated using linear mixed-effects modelling of serial time-to-positivity in mycobacterial growth indicator tubes for sputum collected during the intensive phase of treatment (weeks 0–8) for microbiologically confirmed TB. Population pharmacokinetic models used plasma and intrapulmonary drug levels at 8 and 16 weeks. Pharmacokinetic-pharmacodynamic relationships were investigated using individual-level measures of drug exposure (area-under-the-concentration-time-curve [AUC] and Cmax) for rifampicin, isoniazid, pyrazinamide, and ethambutol, in plasma, epithelial lining fluid, and alveolar cells as covariates in the bacillary elimination models. Results Among 157 participants (58% human immunodeficiency virus [HIV] coinfected), drug exposure in plasma or alveolar cells was not associated with sputum bacillary clearance. Higher peak concentrations (Cmax) or exposure (AUC) to rifampicin or isoniazid in epithelial lining fluid was associated with more rapid bacillary elimination and shorter time to sputum negativity. More extensive disease on baseline chest radiograph was associated with slower bacillary elimination. Clinical outcome was captured in 133 participants, with 15 (11%) unfavorable outcomes recorded (recurrent TB, failed treatment, or death). No relationship between BER and late clinical outcome was identified. Conclusions Greater intrapulmonary drug exposure to rifampicin or isoniazid in the epithelial lining fluid was associated with more rapid bacillary clearance. Higher doses of rifampicin and isoniazid may result in sustained high intrapulmonary drug exposure, rapid bacillary clearance, shorter treatment duration and better treatment outcomes.
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Affiliation(s)
- Andrew D McCallum
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK.,Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi.,Department of Pharmacology, University of Liverpool, Liverpool, UK
| | - Henry E Pertinez
- Department of Pharmacology, University of Liverpool, Liverpool, UK
| | - Aaron P Chirambo
- Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Irene Sheha
- Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Madalitso Chasweka
- Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Rose Malamba
- Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Doris Shani
- Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Alex Chitani
- Department of Medicine, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Jane E Mallewa
- Department of Medicine, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Jamilah Z Meghji
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK.,Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Jehan F Ghany
- Department of Radiology, Royal Liverpool and Broadgreen University Hospitals, Prescot Street, Liverpool, UK
| | - Elizabeth L Corbett
- Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, UK
| | - Stephen B Gordon
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK.,Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
| | - Geraint R Davies
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Saye H Khoo
- Department of Pharmacology, University of Liverpool, Liverpool, UK
| | - Derek J Sloan
- Infection and Global Health Division, University of St Andrews, St Andrews, UK
| | - Henry C Mwandumba
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK.,Malawi-Liverpool-Wellcome Clinical Research Programme, Kamuzu University of Health Sciences, Blantyre, Malawi
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Machine Learning of All Mycobacterium tuberculosis H37Rv RNA-seq Data Reveals a Structured Interplay between Metabolism, Stress Response, and Infection. mSphere 2022; 7:e0003322. [PMID: 35306876 PMCID: PMC9044949 DOI: 10.1128/msphere.00033-22] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Mycobacterium tuberculosis is one of the most consequential human bacterial pathogens, posing a serious challenge to 21st century medicine. A key feature of its pathogenicity is its ability to adapt its transcriptional response to environmental stresses through its transcriptional regulatory network (TRN). While many studies have sought to characterize specific portions of the M. tuberculosis TRN, and some studies have performed system-level analysis, few have been able to provide a network-based model of the TRN that also provides the relative shifts in transcriptional regulator activity triggered by changing environments. Here, we compiled a compendium of nearly 650 publicly available, high quality M. tuberculosis RNA-sequencing data sets and applied an unsupervised machine learning method to obtain a quantitative, top-down TRN. It consists of 80 independently modulated gene sets known as “iModulons,” 41 of which correspond to known regulons. These iModulons explain 61% of the variance in the organism’s transcriptional response. We show that iModulons (i) reveal the function of poorly characterized regulons, (ii) describe the transcriptional shifts that occur during environmental changes such as shifting carbon sources, oxidative stress, and infection events, and (iii) identify intrinsic clusters of regulons that link several important metabolic systems, including lipid, cholesterol, and sulfur metabolism. This transcriptome-wide analysis of the M. tuberculosis TRN informs future research on effective ways to study and manipulate its transcriptional regulation and presents a knowledge-enhanced database of all published high-quality RNA-seq data for this organism to date. IMPORTANCEMycobacterium tuberculosis H37Rv is one of the world's most impactful pathogens, and a large part of the success of the organism relies on the differential expression of its genes to adapt to its environment. The expression of the organism's genes is driven primarily by its transcriptional regulatory network, and most research on the TRN focuses on identifying and quantifying clusters of coregulated genes known as regulons. While previous studies have relied on molecular measurements, in the manuscript we utilized an alternative technique that performs machine learning to a large data set of transcriptomic data. This approach is less reliant on hypotheses about the role of specific regulatory systems and allows for the discovery of new biological findings for already collected data. A better understanding of the structure of the M. tuberculosis TRN will have important implications in the design of improved therapeutic approaches.
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Sivakumaran D, Jenum S, Ritz C, Vaz M, Doherty TM, Grewal HMS. Improving Assignments for Therapeutic and Prophylactic Treatment Within TB Households. A Potential for Immuno-Diagnosis? Front Immunol 2022; 13:801616. [PMID: 35401549 PMCID: PMC8993507 DOI: 10.3389/fimmu.2022.801616] [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: 10/25/2021] [Accepted: 02/21/2022] [Indexed: 11/22/2022] Open
Abstract
Delays in diagnosis and treatment of pulmonary tuberculosis (TB) can lead to more severe disease and increased transmission. Contact investigation among household contacts (HHCs) of TB patients is crucial to ensure optimal outcomes. In the context of a prospective cohort study in Palamaner, Southern India, this study attempted to assess the potential of 27 different soluble immune markers to accurately assign HHCs for appropriate treatment. A multiplex bead assay was applied on QuantiFERON (QFT)-nil supernatants collected from 89 HHCs grouped by longitudinal QFT status; M. tuberculosis (Mtb) infected (QFT positive at baseline and follow-up, n = 30), recent QFT converters (QFT-negative at baseline, n = 27) and converted to QFT-positivity within 6 months of exposure (at follow-up, n = 24) and QFT consistent negatives (n = 32). The 29 TB index cases represented Active TB. Active TB cases and HHCs with Mtb infection produced significantly different levels of both pro-inflammatory (IFNγ, IL17, IL8, IP10, MIP-1α, MIP1β, and VEGF) and anti-inflammatory (IL9 and IL1RA) cytokines. We identified a 4-protein signature (bFGF, IFNγ, IL9, and IP10) that correctly classified HHCs with Mtb infection vs. Active TB with a specificity of 92.6%, suggesting that this 4-protein signature has the potential to assign HHCs for either full-length TB treatment or preventive TB treatment. We further identified a 4-protein signature (bFGF, GCSF, IFNγ, and IL1RA) that differentiated HHCs with Mtb infection from QFT consistent negatives with a specificity of 62.5%, but not satisfactory to safely assign HHCs to no preventive TB treatment. QFT conversion, reflecting new Mtb infection, induced an elevated median concentration in nearly two-thirds (19/27) of the analyzed soluble markers compared to the levels measured at baseline. Validation in other studies is warranted in order to establish the potential of the immune biosignatures for optimized TB case detection and assignment to therapeutic and preventive treatment of Mtb infected individuals.
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Affiliation(s)
- Dhanasekaran Sivakumaran
- Department of Clinical Science, Bergen Integrated Diagnostic Stewardship Cluster, Faculty of Medicine, University of Bergen, Bergen, Norway
- Department of Microbiology, Haukeland University Hospital, University of Bergen, Bergen, Norway
| | - Synne Jenum
- Department of Infectious Diseases, Oslo University Hospital, Oslo, Norway
- *Correspondence: Harleen M. S. Grewal, ; Synne Jenum,
| | - Christian Ritz
- Department of Clinical Science, Bergen Integrated Diagnostic Stewardship Cluster, Faculty of Medicine, University of Bergen, Bergen, Norway
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Mario Vaz
- Department of Physiology, St. John’s Medical College, Bangalore, India
- Division of Health and Humanities, St. John’s Research Institute, Bangalore, India
| | | | - Harleen M. S. Grewal
- Department of Clinical Science, Bergen Integrated Diagnostic Stewardship Cluster, Faculty of Medicine, University of Bergen, Bergen, Norway
- Department of Microbiology, Haukeland University Hospital, University of Bergen, Bergen, Norway
- *Correspondence: Harleen M. S. Grewal, ; Synne Jenum,
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50
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Amiano NO, Pellegrini JM, Morelli MP, Martinena C, Rolandelli A, Castello FA, Casco N, Ciallella LM, de Casado GC, Armitano R, Stupka J, Gallego C, Palmero DJ, García VE, Tateosian NL. Circulating Monocyte-Like Myeloid Derived Suppressor Cells and CD16 Positive Monocytes Correlate With Immunological Responsiveness of Tuberculosis Patients. Front Cell Infect Microbiol 2022; 12:841741. [PMID: 35360105 PMCID: PMC8964076 DOI: 10.3389/fcimb.2022.841741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/15/2022] [Indexed: 12/28/2022] Open
Abstract
Alterations of myeloid cell populations have been reported in patients with tuberculosis (TB). In this work, we studied the relationship between myeloid-derived suppressor cells (MDSC) and monocytes subsets with the immunological responsiveness of TB patients. Individuals with active TB were classified as low responders (LR-TB) or high responders (HR-TB) according to their T cell responses against a cell lysate of Mycobacterium tuberculosis (Mtb-Ag). Thus, LR-TB, individuals with severe disease, display a weaker immune response to Mtb compare to HR-TB, subjects with strong immunity against the bacteria. We observed that LR-TB presented higher percentages of CD16 positive monocytes as compared to HR-TB and healthy donors. Moreover, monocyte-like (M-MDSC) and polymorphonuclear-like (PMN-MDSC) MDSC were increased in patients and the proportion of M-MDSC inversely correlated with IFN-γ levels released after Mtb-Ag stimulation in HR-TB. We also found that LR-TB displayed the highest percentages of circulating M-MDSC. These results demonstrate that CD16 positive monocytes and M-MDSC frequencies could be used as another immunological classification parameter. Interestingly, in LR-TB, frequencies of CD16 positive monocytes and M-MDSC were restored after only three weeks of anti-TB treatment. Together, our findings show a link between the immunological status of TB patients and the levels of different circulating myeloid cell populations.
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Affiliation(s)
- Nicolás O. Amiano
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Joaquín M. Pellegrini
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - María P. Morelli
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Camila Martinena
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Agustín Rolandelli
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Florencia A. Castello
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nicolás Casco
- División Tisioneumonología, Hospital F.J. Muñiz, Buenos Aires, Argentina
| | | | | | - Rita Armitano
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Juan Stupka
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Claudio Gallego
- Hospital General de Agudos Parmenio Piñero, Buenos Aires, Argentina
| | - Domingo J. Palmero
- División Tisioneumonología, Hospital F.J. Muñiz, Buenos Aires, Argentina
| | - Verónica E. García
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Nancy L. Tateosian
- Departamento de Química Biológica. Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
- Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN). Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- *Correspondence: Nancy L. Tateosian,
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