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Carabalí-Isajar ML, Rodríguez-Bejarano OH, Amado T, Patarroyo MA, Izquierdo MA, Lutz JR, Ocampo M. Clinical manifestations and immune response to tuberculosis. World J Microbiol Biotechnol 2023; 39:206. [PMID: 37221438 DOI: 10.1007/s11274-023-03636-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/29/2023] [Indexed: 05/25/2023]
Abstract
Tuberculosis is a far-reaching, high-impact disease. It is among the top ten causes of death worldwide caused by a single infectious agent; 1.6 million tuberculosis-related deaths were reported in 2021 and it has been estimated that a third of the world's population are carriers of the tuberculosis bacillus but do not develop active disease. Several authors have attributed this to hosts' differential immune response in which cellular and humoral components are involved, along with cytokines and chemokines. Ascertaining the relationship between TB development's clinical manifestations and an immune response should increase understanding of tuberculosis pathophysiological and immunological mechanisms and correlating such material with protection against Mycobacterium tuberculosis. Tuberculosis continues to be a major public health problem globally. Mortality rates have not decreased significantly; rather, they are increasing. This review has thus been aimed at deepening knowledge regarding tuberculosis by examining published material related to an immune response against Mycobacterium tuberculosis, mycobacterial evasion mechanisms regarding such response and the relationship between pulmonary and extrapulmonary clinical manifestations induced by this bacterium which are related to inflammation associated with tuberculosis dissemination through different routes.
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Grants
- a Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá 111321, Colombia
- a Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá 111321, Colombia
- a Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá 111321, Colombia
- a Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá 111321, Colombia
- b PhD Program in Biomedical and Biological Sciences, Universidad del Rosario, Carrera 24#63C-69, Bogotá 111221, Colombia
- c Health Sciences Faculty, Universidad de Ciencias Aplicadas y Ambientales (UDCA), Calle 222#55-37, Bogotá 111166, Colombia
- d Faculty of Medicine, Universidad Nacional de Colombia, Carrera 45#26-85, Bogotá 111321, Colombia
- e Medicine Department, Hospital Universitario Mayor Mederi, Calle 24 # 29-45, Bogotá 111411. Colombia
- e Medicine Department, Hospital Universitario Mayor Mederi, Calle 24 # 29-45, Bogotá 111411. Colombia
- f Universidad Distrital Francisco José de Caldas, Carrera 3#26A-40, Bogotá 110311, Colombia
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Affiliation(s)
- Mary Lilián Carabalí-Isajar
- Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, 111321, Bogotá, Colombia
- Biomedical and Biological Sciences Programme, Universidad del Rosario, Carrera 24#63C-69, 111221, Bogotá, Colombia
| | | | - Tatiana Amado
- Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, 111321, Bogotá, Colombia
| | - Manuel Alfonso Patarroyo
- Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, 111321, Bogotá, Colombia
- Faculty of Medicine, Universidad Nacional de Colombia, Carrera 45#26-85, 111321, Bogotá, Colombia
| | - María Alejandra Izquierdo
- Medicine Department, Hospital Universitario Mayor Mederi, Calle 24 # 29-45, 111411, Bogotá, Colombia
| | - Juan Ricardo Lutz
- Medicine Department, Hospital Universitario Mayor Mederi, Calle 24 # 29-45, 111411, Bogotá, Colombia.
| | - Marisol Ocampo
- Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, 111321, Bogotá, Colombia.
- Universidad Distrital Francisco José de Caldas, Carrera 3#26A-40, 110311, Bogotá, Colombia.
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2
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Stewart P, Patel S, Comer A, Muneer S, Nawaz U, Quann V, Bansal M, Venketaraman V. Role of B Cells in Mycobacterium Tuberculosis Infection. Vaccines (Basel) 2023; 11:vaccines11050955. [PMID: 37243059 DOI: 10.3390/vaccines11050955] [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: 03/31/2023] [Revised: 04/19/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
Historically, research on the immunologic response to Mycobacterium tuberculosis (M. tb) infection has focused on T cells and macrophages, as their role in granuloma formation has been robustly characterized. In contrast, the role of B cells in the pathophysiology of M. tb infection has been relatively overlooked. While T cells are well-known as an essential for granuloma formation and maintenance, B cells play a less understood role in the host response. Over the past decade, scarce research on the topic has attempted to elucidate the varying roles of B cells during mycobacterial infection, which appears to be primarily time dependent. From acute to chronic infection, the role of B cells changes with time as evidenced by cytokine release, immunological regulation, and histological morphology of tuberculous granulomas. The goal of this review is to carefully analyze the role of humoral immunity in M. tb infection to find the discriminatory nature of humoral immunity in tuberculosis (TB). We argue that there is a need for more research on the B-cell response against TB, as a better understanding of the role of B cells in defense against TB could lead to effective vaccines and therapies. By focusing on the B-cell response, we can develop new strategies to enhance immunity against TB and reduce the burden of disease.
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Affiliation(s)
- Paul Stewart
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Shivani Patel
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Andrew Comer
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Shafi Muneer
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Uzma Nawaz
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Violet Quann
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Mira Bansal
- Department of Basic Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - 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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Puri M, Miranda-Hernandez S, Subbian S, Kupz A. Repurposing mucosal delivery devices for live attenuated tuberculosis vaccines. Front Immunol 2023; 14:1159084. [PMID: 37063870 PMCID: PMC10098179 DOI: 10.3389/fimmu.2023.1159084] [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: 02/05/2023] [Accepted: 03/20/2023] [Indexed: 04/04/2023] Open
Abstract
Tuberculosis (TB) remains one of the most lethal infectious diseases globally. The only TB vaccine approved by the World Health Organization, Bacille Calmette-Guérin (BCG), protects children against severe and disseminated TB but provides limited protection against pulmonary TB in adults. Although several vaccine candidates have been developed to prevent TB and are undergoing preclinical and clinical testing, BCG remains the gold standard. Currently, BCG is administered as an intradermal injection, particularly in TB endemic countries. However, mounting evidence from experimental animal and human studies indicates that delivering BCG directly into the lungs provides enhanced immune responses and greater protection against TB. Inhalation therapy using handheld delivery devices is used for some diseases and allows the delivery of drugs or vaccines directly into the human respiratory tract. Whether this mode of delivery could also be applicable for live attenuated bacterial vaccines such as BCG or other TB vaccine candidates remains unknown. Here we discuss how two existing inhalation devices, the mucosal atomization device (MAD) syringe, used for influenza vaccines, and the Respimat® Soft Mist™ inhaler, used for chronic obstructive pulmonary disease (COPD) therapy, could be repurposed for mucosal delivery of live attenuated TB vaccines. We also outline the challenges and outstanding research questions that will require further investigations to ensure usefulness of respiratory delivery devices that are cost-effective and accessible to lower- and middle-income TB endemic countries.
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Affiliation(s)
- Munish Puri
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
| | - Socorro Miranda-Hernandez
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
| | - Selvakumar Subbian
- Public Health Research Institute (PHRI), New Jersey Medical School, Rutgers University, Newark, NJ, United States
| | - Andreas Kupz
- Centre for Molecular Therapeutics, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
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4
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Larsen SE, Williams BD, Rais M, Coler RN, Baldwin SL. It Takes a Village: The Multifaceted Immune Response to Mycobacterium tuberculosis Infection and Vaccine-Induced Immunity. Front Immunol 2022; 13:840225. [PMID: 35359957 PMCID: PMC8960931 DOI: 10.3389/fimmu.2022.840225] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/08/2022] [Indexed: 11/18/2022] Open
Abstract
Despite co-evolving with humans for centuries and being intensely studied for decades, the immune correlates of protection against Mycobacterium tuberculosis (Mtb) have yet to be fully defined. This lapse in understanding is a major lag in the pipeline for evaluating and advancing efficacious vaccine candidates. While CD4+ T helper 1 (TH1) pro-inflammatory responses have a significant role in controlling Mtb infection, the historically narrow focus on this cell population may have eclipsed the characterization of other requisite arms of the immune system. Over the last decade, the tuberculosis (TB) research community has intentionally and intensely increased the breadth of investigation of other immune players. Here, we review mechanistic preclinical studies as well as clinical anecdotes that suggest the degree to which different cell types, such as NK cells, CD8+ T cells, γ δ T cells, and B cells, influence infection or disease prevention. Additionally, we categorically outline the observed role each major cell type plays in vaccine-induced immunity, including Mycobacterium bovis bacillus Calmette-Guérin (BCG). Novel vaccine candidates advancing through either the preclinical or clinical pipeline leverage different platforms (e.g., protein + adjuvant, vector-based, nucleic acid-based) to purposefully elicit complex immune responses, and we review those design rationales and results to date. The better we as a community understand the essential composition, magnitude, timing, and trafficking of immune responses against Mtb, the closer we are to reducing the severe disease burden and toll on human health inflicted by TB globally.
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Affiliation(s)
- Sasha E. Larsen
- Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle Children's Hospital, Seattle, WA, United States
| | - Brittany D. Williams
- Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle Children's Hospital, Seattle, WA, United States,Department of Global Health, University of Washington, Seattle, WA, United States
| | - Maham Rais
- Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle Children's Hospital, Seattle, WA, United States
| | - Rhea N. Coler
- Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle Children's Hospital, Seattle, WA, United States,Department of Global Health, University of Washington, Seattle, WA, United States,Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, United States
| | - Susan L. Baldwin
- Center for Global Infectious Disease Research, Seattle Children's Research Institute, Seattle Children's Hospital, Seattle, WA, United States,*Correspondence: Susan L. Baldwin,
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Singer SN, Ndumnego OC, Kim RS, Ndung'u T, Anastos K, French A, Churchyard G, Paramithiothis E, Kasprowicz VO, Achkar JM. Plasma host protein biomarkers correlating with increasing Mycobacterium tuberculosis infection activity prior to tuberculosis diagnosis in people living with HIV. EBioMedicine 2022; 75:103787. [PMID: 34968761 PMCID: PMC8718743 DOI: 10.1016/j.ebiom.2021.103787] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 11/30/2021] [Accepted: 12/14/2021] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Biomarkers correlating with Mycobacterium tuberculosis infection activity/burden in asymptomatic individuals are urgently needed to identify and treat those at highest risk for developing active tuberculosis (TB). Our main objective was to identify plasma host protein biomarkers that change over time prior to developing TB in people living with HIV (PLHIV). METHODS Using multiplex MRM-MS, we investigated host protein expressions from 2 years before until time of TB diagnosis in longitudinally collected (every 3-6 months) and stored plasma from PLHIV with incident TB, identified within a South African (SA) and US cohort. We performed temporal trend and discriminant analyses for proteins, and, to assure clinical relevance, we further compared protein levels at TB diagnosis to interferon-gamma release assay (IGRA; SA) or tuberculin-skin test (TST; US) positive and negative cohort subjects without TB. SA and US exploratory data were analyzed separately. FINDINGS We identified 15 proteins in the SA (n=30) and 10 in the US (n=24) incident TB subjects which both changed from 2 years prior until time of TB diagnosis after controlling for 10% false discovery rate, and were significantly different at time of TB diagnosis compared to non-TB subjects (p<0.01). Five proteins, CD14, A2GL, NID1, SCTM1, and A1AG1, overlapped between both cohorts. Furthermore, after cross-validation, panels of 5 - 12 proteins were able to predict TB up to two years before diagnosis. INTERPRETATION Host proteins can be biomarkers for increasing Mycobacterium tuberculosis infection activity/burden, incipient TB, and predict TB development in PLHIV. FUNDING NIH/NIAID AI117927, AI146329, and AI127173 to JMA.
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Affiliation(s)
- Sarah N Singer
- Departments of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | | | - Ryung S Kim
- Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Thumbi Ndung'u
- Africa Health Research Institute, Durban 4013, South Africa; HIV Pathogenesis Programme, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa; Ragon Institute of MGH, MIT and Harvard University, Cambridge, MA, USA; Max Planck Institute of Infection Biology, Berlin, Germany; Division of Infection and Immunity, University College London, London, UK
| | - Kathryn Anastos
- Departments of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Audrey French
- Department of Medicine, Stroger Hospital of Cook County, Chicago, IL, USA
| | - Gavin Churchyard
- Aurum Institute, Johannesburg, South Africa; School of Public Health, University of Witwatersrand, Johannesburg, South Africa; Department of Medicine, Vanderbilt University, Nashville, TN, USA
| | - Eustache Paramithiothis
- CellCarta Biosciences Inc, 201 President-Kennedy Ave., Suite 3900 Montreal, H2×3Y7, Quebec, Canada
| | - Victoria O Kasprowicz
- Africa Health Research Institute, Durban 4013, South Africa; HIV Pathogenesis Programme, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa; Ragon Institute of MGH, MIT and Harvard University, Cambridge, MA, USA
| | - Jacqueline M Achkar
- Departments of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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6
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Boom WH, Schaible UE, Achkar JM. The knowns and unknowns of latent Mycobacterium tuberculosis infection. J Clin Invest 2021; 131:136222. [PMID: 33529162 DOI: 10.1172/jci136222] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Humans have been infected with Mycobacterium tuberculosis (Mtb) for thousands of years. While tuberculosis (TB), one of the deadliest infectious diseases, is caused by uncontrolled Mtb infection, over 90% of presumed infected individuals remain asymptomatic and contain Mtb in a latent TB infection (LTBI) without ever developing disease, and some may clear the infection. A small number of heavily Mtb-exposed individuals appear to resist developing traditional LTBI. Because Mtb has mechanisms for intracellular survival and immune evasion, successful control involves all of the arms of the immune system. Here, we focus on immune responses to Mtb in humans and nonhuman primates and discuss new concepts and outline major knowledge gaps in our understanding of LTBI, ranging from the earliest events of exposure and infection to success or failure of Mtb control.
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Affiliation(s)
- W Henry Boom
- Department of Medicine.,Department of Pathology, and.,Department of Molecular Biology and Microbiology, Case Western Reserve University and University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Ulrich E Schaible
- Division of Cellular Microbiology, Research Center Borstel-Leibniz Lung Center, Borstel, Germany.,German Center for Infection Research, partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Jacqueline M Achkar
- Department of Medicine and.,Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, New York, USA
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7
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Cho T, Khatchadourian C, Nguyen H, Dara Y, Jung S, Venketaraman V. A review of the BCG vaccine and other approaches toward tuberculosis eradication. Hum Vaccin Immunother 2021; 17:2454-2470. [PMID: 33769193 PMCID: PMC8475575 DOI: 10.1080/21645515.2021.1885280] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/29/2021] [Indexed: 02/02/2023] Open
Abstract
Despite aggressive eradication efforts, Tuberculosis (TB) remains a global health burden, one that disproportionally affects poorer, less developed nations. The only vaccine approved for TB, the Bacillus of Calmette and Guérin (BCG) vaccine remains controversial because it's stated efficacy has been cited as anywhere from 0 to 80%. Nevertheless, there have been exciting discoveries about the mechanism of action of the BCG vaccine that suggests it has a role in immunization schedules today. We review recent data suggesting the vaccine imparts protection against both tuberculosis and non-tuberculosis pathogens via a newly discovered immune system called trained immunity. BCG's efficacy also appears to be tied to its affect on granulocytes at the epigenetic and hematopoietic stem cell levels, which we discuss in this article at length. We also write about how the different strains of the BCG vaccine elicit different immune responses, suggesting that certain BCG strains are more immunogenic than others. Finally, our review delves into how the current vaccine is being reformulated to be more efficacious, and track the development of the next generation vaccines against TB.
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Affiliation(s)
- Thomas Cho
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
| | | | - Huy Nguyen
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
| | - Yash Dara
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
| | - Shuna Jung
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
| | - Vishwanath Venketaraman
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA, USA
- Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, CA, USA
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8
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García JI, Allué-Guardia A, Tampi RP, Restrepo BI, Torrelles JB. New Developments and Insights in the Improvement of Mycobacterium tuberculosis Vaccines and Diagnostics Within the End TB Strategy. CURR EPIDEMIOL REP 2021; 8:33-45. [PMID: 33842192 PMCID: PMC8024105 DOI: 10.1007/s40471-021-00269-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2021] [Indexed: 10/26/2022]
Abstract
PURPOSE OF REVIEW The alignment of sustainable development goals (SDGs) with the End Tuberculosis (TB) strategy provides an integrated roadmap to implement key approaches towards TB elimination. This review summarizes current social challenges for TB control, and yet, recent developments in TB diagnosis and vaccines in the context of the End TB strategy and SDGs to transform global health. RECENT FINDINGS Advances in non-sputum based TB biomarkers and whole genome sequencing technologies could revolutionize TB diagnostics. Moreover, synergistic novel technologies such as mRNA vaccination, nanovaccines and promising TB vaccine models are key promising developments for TB prevention and control. SUMMARY The End TB strategy depends on novel developments in point-of-care TB diagnostics and effective vaccines. However, despite outstanding technological developments in these fields, TB elimination will be unlikely achieved if TB social determinants are not fully addressed. Indeed, the End TB strategy and SDGs emphasize the importance of implementing sustainable universal health coverage and social protection.
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Affiliation(s)
- Juan Ignacio García
- Population Health Program, Tuberculosis Group, Texas Biomedical Research Institute, 8715 W. Military Dr, San Antonio, TX 78227 USA
| | - Anna Allué-Guardia
- Population Health Program, Tuberculosis Group, Texas Biomedical Research Institute, 8715 W. Military Dr, San Antonio, TX 78227 USA
| | - Radhika P. Tampi
- PhD Program in Health Policy, Harvard University, Cambridge, MA 02138 USA
| | - Blanca I. Restrepo
- University of Texas Health Science Center at Houston, School of Public Health, Brownsville, TX 78520 USA
- School of Medicine, South Texas Diabetes and Obesity Institute, University of Texas Rio Grande Valley, Edinburg, TX 78539 USA
| | - Jordi B. Torrelles
- Population Health Program, Tuberculosis Group, Texas Biomedical Research Institute, 8715 W. Military Dr, San Antonio, TX 78227 USA
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9
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Rijnink WF, Ottenhoff THM, Joosten SA. B-Cells and Antibodies as Contributors to Effector Immune Responses in Tuberculosis. Front Immunol 2021; 12:640168. [PMID: 33679802 PMCID: PMC7930078 DOI: 10.3389/fimmu.2021.640168] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 01/29/2021] [Indexed: 12/19/2022] Open
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), is still a major threat to mankind, urgently requiring improved vaccination and therapeutic strategies to reduce TB-disease burden. Most present vaccination strategies mainly aim to induce cell-mediated immunity (CMI), yet a series of independent studies has shown that B-cells and antibodies (Abs) may contribute significantly to reduce the mycobacterial burden. Although early studies using B-cell knock out animals did not support a major role for B-cells, more recent studies have provided new evidence that B-cells and Abs can contribute significantly to host defense against Mtb. B-cells and Abs exist in many different functional subsets, each equipped with unique functional properties. In this review, we will summarize current evidence on the contribution of B-cells and Abs to immunity toward Mtb, their potential utility as biomarkers, and their functional contribution to Mtb control.
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Affiliation(s)
- Willemijn F Rijnink
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Tom H M Ottenhoff
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Simone A Joosten
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
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10
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Dijkman K, Aguilo N, Boot C, Hofman SO, Sombroek CC, Vervenne RA, Kocken CH, Marinova D, Thole J, Rodríguez E, Vierboom MP, Haanstra KG, Puentes E, Martin C, Verreck FA. Pulmonary MTBVAC vaccination induces immune signatures previously correlated with prevention of tuberculosis infection. Cell Rep Med 2021; 2:100187. [PMID: 33521701 PMCID: PMC7817873 DOI: 10.1016/j.xcrm.2020.100187] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/23/2020] [Accepted: 12/17/2020] [Indexed: 11/29/2022]
Abstract
To fight tuberculosis, better vaccination strategies are needed. Live attenuated Mycobacterium tuberculosis-derived vaccine, MTBVAC, is a promising candidate in the pipeline, proven to be safe and immunogenic in humans so far. Independent studies have shown that pulmonary mucosal delivery of Bacillus Calmette-Guérin (BCG), the only tuberculosis (TB) vaccine available today, confers superior protection over standard intradermal immunization. Here we demonstrate that mucosal MTBVAC is well tolerated, eliciting polyfunctional T helper type 17 cells, interleukin-10, and immunoglobulins in the airway and yielding a broader antigenic profile than BCG in rhesus macaques. Beyond our previous work, we show that local immunoglobulins, induced by MTBVAC and BCG, bind to M. tuberculosis and enhance pathogen uptake. Furthermore, after pulmonary vaccination, but not M. tuberculosis infection, local T cells expressed high levels of mucosal homing and tissue residency markers. Our data show that pulmonary MTBVAC administration has the potential to enhance its efficacy and justifies further exploration of mucosal vaccination strategies in preclinical efficacy studies.
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Affiliation(s)
- Karin Dijkman
- Biomedical Primate Research Centre (BPRC), Rijswijk, the Netherlands
| | - Nacho Aguilo
- Department of Microbiology, Faculty of Medicine, IIS Aragon, University of Zaragoza, Zaragoza, Spain
- CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - Charelle Boot
- Biomedical Primate Research Centre (BPRC), Rijswijk, the Netherlands
| | - Sam O. Hofman
- Biomedical Primate Research Centre (BPRC), Rijswijk, the Netherlands
| | | | | | | | - Dessislava Marinova
- Department of Microbiology, Faculty of Medicine, IIS Aragon, University of Zaragoza, Zaragoza, Spain
- CIBERES, Instituto de Salud Carlos III, Madrid, Spain
| | - Jelle Thole
- TuBerculosis Vaccine Initiative (TBVI), Lelystad, the Netherlands
| | | | | | | | | | - Carlos Martin
- Department of Microbiology, Faculty of Medicine, IIS Aragon, University of Zaragoza, Zaragoza, Spain
- CIBERES, Instituto de Salud Carlos III, Madrid, Spain
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11
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Flores-Valdez MA, Segura-Cerda CA. Preclinical evaluation of tuberculosis vaccine candidates: Is it time to harmonize study design and readouts for prioritizing their development? Vaccine 2020; 39:173-175. [PMID: 33334615 DOI: 10.1016/j.vaccine.2020.11.073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/23/2020] [Accepted: 11/30/2020] [Indexed: 10/22/2022]
Affiliation(s)
- Mario Alberto Flores-Valdez
- Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A. C., Biotecnología Médica y Farmacéutica, Av. Normalistas 800, Col. Colinas de la Normal, 44270 Guadalajara, Jalisco, Mexico.
| | - Cristian Alfredo Segura-Cerda
- Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A.C., Biotecnología Médica y Farmacéutica, Av. Normalistas 800, Col. Colinas de la Normal, Guadalajara, Jalisco 44270, Mexico
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