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Hu Z, Xia J, Wu J, Zhao H, Ji P, Gu L, Gu W, Chen Z, Xu J, Huang X, Ma J, Chen A, Li J, Shu T, Fan XY. A multistage Sendai virus vaccine incorporating latency-associated antigens induces protection against acute and latent tuberculosis. Emerg Microbes Infect 2024; 13:2300463. [PMID: 38164736 PMCID: PMC10769537 DOI: 10.1080/22221751.2023.2300463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
One-quarter of the world's population is infected with Mycobacterium tuberculosis (Mtb). After initial exposure, more immune-competent persons develop asymptomatic latent tuberculosis infection (LTBI) but not active diseases, creates an extensive reservoir at risk of developing active tuberculosis. Previously, we constructed a novel recombinant Sendai virus (SeV)-vectored vaccine encoding two dominant antigens of Mtb, which elicited immune protection against acute Mtb infection. In this study, nine Mtb latency-associated antigens were screened as potential supplementary vaccine candidate antigens, and three antigens (Rv2029c, Rv2028c, and Rv3126c) were selected based on their immune-therapeutic effect in mice, and their elevated immune responses in LTBI human populations. Then, a recombinant SeV-vectored vaccine, termed SeV986A, that expresses three latency-associated antigens and Ag85A was constructed. In murine models, the doses, titers, and inoculation sites of SeV986A were optimized, and its immunogenicity in BCG-primed and BCG-naive mice were determined. Enhanced immune protection against the Mtb challenge was shown in both acute-infection and latent-infection murine models. The expression levels of several T-cell exhaustion markers were significantly lower in the SeV986A-vaccinated group, suggesting that the expression of latency-associated antigens inhibited the T-cell exhaustion process in LTBI infection. Hence, the multistage quarter-antigenic SeV986A vaccine holds considerable promise as a novel post-exposure prophylaxis vaccine against tuberculosis.
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Affiliation(s)
- Zhidong Hu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Jingxian Xia
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Juan Wu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Huimin Zhao
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Ping Ji
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Ling Gu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Wenfei Gu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Zhenyan Chen
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Jinchuan Xu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | - Xuejiao Huang
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
| | | | - Anke Chen
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, People’s Republic of China
| | - Jixi Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, People’s Republic of China
| | | | - Xiao-Yong Fan
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, People’s Republic of China
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Fiorito N, Piacentini D, Cian S, Voltolini A, Fagherazzi J, Bino E, Brancher M, De Luca G, Battistin M, Manzi M, Marcotrigiano V, Vedana A, Napoli C, Cinquetti S. Tuberculosis in a Migrant Population: Integrated Management of a Case through the Prevention Department and Hospital Services. Microorganisms 2024; 12:1216. [PMID: 38930598 PMCID: PMC11205689 DOI: 10.3390/microorganisms12061216] [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: 05/13/2024] [Revised: 06/12/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Among numerous public health actions, the Prevention Departments of Local Health Authorities take charge of the migrant asylum-seeking population for health assessments, for the implementation of preventive activities, and for any consequent actions. This report describes two cases of tuberculosis in Belluno Province managed by a multidisciplinary team made up of healthcare workers that involved numerous diagnostic, clinical, and prophylactic implications, as well as an analysis of the epidemiological aspects related to the incidence of cases along the migration route. Although the cases occurred in a northeastern Italian territory, the management methods described here may represent good practices to share on this operational line, which can promote the strengthening of cooperation between Health Authorities and Emergency Reception Centers to correctly identify cases of active tuberculosis that may not have been initially screen-detected.
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Affiliation(s)
- Nahuel Fiorito
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Daniela Piacentini
- Infectious Diseases Unit, Specialistic Area Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy;
| | - Serena Cian
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Anna Voltolini
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Jacopo Fagherazzi
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Erica Bino
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Marika Brancher
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Giorgia De Luca
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Marica Battistin
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Mattia Manzi
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Vincenzo Marcotrigiano
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
| | - Angela Vedana
- Department of Statistical Sciences, University of Padova, 35122 Padova, Italy;
| | - Christian Napoli
- Department of Medical Surgical Sciences and Translational Medicine, Sapienza University of Rome, 00185 Rome, Italy;
- National Institute for Health, Migration and Poverty, 00153 Rome, Italy
| | - Sandro Cinquetti
- Prevention Department, Local Health Authority “ULSS 1 Dolomiti”, 32100 Belluno, Italy; (N.F.); (S.C.); (A.V.); (J.F.); (E.B.); (M.B.); (G.D.L.); (M.B.); (M.M.); (S.C.)
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Østergaard AA, Feddersen S, Barnkob MB, Lynggaard RB, Karstoft ACA, Borup M, Titlestad IL, Jensen TT, Hilberg O, Wejse C, Bjerrum S, Blaabjerg M, Assing K, Johansen IS. Whole-blood culture-derived cytokine combinations for the diagnosis of tuberculosis. Front Immunol 2024; 15:1397941. [PMID: 38933274 PMCID: PMC11199390 DOI: 10.3389/fimmu.2024.1397941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 05/07/2024] [Indexed: 06/28/2024] Open
Abstract
Introduction The diagnosis of tuberculosis (TB) disease and TB infection (TBI) remains a challenge, and there is a need for non-invasive and blood-based methods to differentiate TB from conditions mimicking TB (CMTB), TBI, and healthy controls (HC). We aimed to determine whether combination of cytokines and established biomarkers could discriminate between 1) TB and CMTB 2) TB and TBI 3) TBI and HC. Methods We used hemoglobin, total white blood cell count, neutrophils, monocytes, C-reactive protein, and ten Meso Scale Discovery analyzed cytokines (interleukin (IL)-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12p70, IL-13, interferon (IFN)-ɣ, and tumor necrosis factor (TNF)-α) in TruCulture whole blood tubes stimulated by lipopolysaccharides (LPS), zymosan (ZYM), anti-CD3/28 (CD3), and unstimulated (Null) to develop three index tests able to differentiate TB from CMTB and TBI, and TBI from HC. Results In 52 persons with CMTB (n=9), TB (n=23), TBI (n=10), and HC (n=10), a combination of cytokines (LPS-IFN-ɣ, ZYM-IFN-ɣ, ZYM-TNF-α, ZYM-IL-1β, LPS-IL-4, and ZYM-IL-6) and neutrophil count could differentiate TB from CMTB with a sensitivity of 52.2% (95% CI: 30.9%-73.4%) and a specificity of 100 % (66.4%-100%). Null- IFN-ɣ, Null-IL-8, CD3-IL-6, CD3-IL-8, CD3-IL-13, and ZYM IL-1b discriminated TB from TBI with a sensitivity of 73.9% (56.5% - 91.3%) and a specificity of 100% (69.2-100). Cytokines and established biomarkers failed to differentiate TBI from HC with ≥ 98% specificity. Discussion Selected cytokines may serve as blood-based add-on tests to detect TB in a low-endemic setting, although these results need to be validated.
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Affiliation(s)
- Anne Ahrens Østergaard
- Research Unit of Infectious Diseases, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
| | - Søren Feddersen
- Department of Clinical Biochemistry, Odense University Hospital, Odense, Denmark
- Clinical Biochemistry, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Mike B. Barnkob
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | | | - Amanda Cecilie Annie Karstoft
- Research Unit of Infectious Diseases, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Maria Borup
- Department of Respiratory Medicine, Odense University Hospital, Odense, Denmark
| | - Ingrid Louise Titlestad
- Department of Respiratory Medicine, Odense University Hospital, Odense, Denmark
- Odense Respiratory Research Unit (ODIN), Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | | | - Ole Hilberg
- Department of Medicine, Vejle Hospital, Hospital Lillebælt, Vejle, Denmark
| | - Christian Wejse
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
- Center for Global Health (GloHAU), Department of Public Health, Aarhus University, Aarhus, Denmark
| | - Stephanie Bjerrum
- Research Unit of Infectious Diseases, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Infectious Diseases, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Morten Blaabjerg
- Research Unit of Neurology, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Neurology, Odense University Hospital, Odense, Denmark
| | - Kristian Assing
- Department of Clinical Immunology, Odense University Hospital, Odense, Denmark
- Research Unit of Clinical Immunology, Department of Clinical Research, Odense, Denmark
| | - Isik Somuncu Johansen
- Research Unit of Infectious Diseases, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Infectious Diseases, Odense University Hospital, Odense, Denmark
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Martínez-Sotelo JA, Vallecillo AJ, Parada C, Segura E, Campuzano J, Silva-Miranda M, Servín-González L, Espitia C. Immune Response to the Recombinant Apa Protein from Mycobacterium tuberculosis Expressed in Streptomyces lividans After Intranasal Administration in Mice. Induction of Protective Response to Tubercle Bacillus Aerosols Exposure. Curr Microbiol 2024; 81:197. [PMID: 38816607 PMCID: PMC11139747 DOI: 10.1007/s00284-024-03697-7] [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: 10/12/2023] [Accepted: 04/08/2024] [Indexed: 06/01/2024]
Abstract
Identifying and evaluating potential vaccine candidates has become one of the main objectives to combat tuberculosis. Among them, mannosylated Apa antigen from Mycobacterium tuberculosis and the non-mannosylated protein expressed in Escherichia coli, have been studied. Although both proteins can induce a protective response in mice, it has been considered that native protein can be dispensed. In this work, we study the protective response induced by Apa expressed in E. coli and in Streptomyces lividans. The latter, like native is secreted as a double band of 45/47 kDa, however, only its 47 kDa band is mannosylated. Both antigens and BCG were intranasal administrated in mice, and animals were then challenged by aerosol with M. tuberculosis H37Rv. The results showed that both, Apa from S. lividans and E. coli conferred statistically significantly protection to animals compared to controls. The cytokine immune response was studied by an immunoassay after animals' immunization, revealing that Apa from S. lividans induced a statistically significant proliferation of T cell, as well as the expression of IFN-γ, IL-1β, IL-17 and IL-10. In contrast, non-proliferation was obtained with non-mannosylated protein, but induction of IL-12 and IL-17 was observed. Together, these results demonstrate that both proteins were able to modulate a specific immune response against M. tuberculosis, that could be driven by different mechanisms possibly associated with the presence or not of mannosylation. Furthermore, stimulation of cells from BCG-vaccinated animals with the proteins could be an important tool, to help define the use of a given subunit-vaccine after BCG vaccination.
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Affiliation(s)
- José Alberto Martínez-Sotelo
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Antonio J Vallecillo
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Escuela de Medicina Veterinaria y Zootecnia, Facultad de Ciencias Agropecuarias, Universidad de Cuenca, C.P. 010205, Cuenca, Azu, Ecuador
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Cristina Parada
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Erika Segura
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Jaime Campuzano
- Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Mayra Silva-Miranda
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Luis Servín-González
- Departamento de Patología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico
| | - Clara Espitia
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico.
- Catedrática CONAHCYT, Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, C.P. 04510, Mexico City, Mexico.
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Abdelghani MS, Chapra A, Al‐Qudah B, Bishawi A, Shebani A, Obeidat I, Habib MB. Extrapulmonary tuberculosis presenting as hemorrhagic pleuro-pericardial effusions with pericardial mass. Clin Case Rep 2024; 12:e8619. [PMID: 38562572 PMCID: PMC10982116 DOI: 10.1002/ccr3.8619] [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: 12/01/2023] [Revised: 02/01/2024] [Accepted: 02/12/2024] [Indexed: 04/04/2024] Open
Abstract
Key Clinical Message Tuberculosis (TB) pericarditis, while uncommon, should be considered in patients with pericardial masses and effusion. Timely recognition and treatment with anti-TB medications are crucial for a successful outcome. Abstract TB pericarditis presenting as a pericardial mass is an unusual and rare manifestation of this disease. We report a 59-year-old South Asian male who presented with a 1-week history of dyspnea and cough. He was found to have a hemorrhagic pericardial mass with a massive pericardial effusion. Pleural fluid analysis was positive for TB. The patient was successfully treated with anti-TB medications. Although rare, tuberculous pericardial involvement should be suspected in patients presenting with symptoms of pericardial masses and effusion.
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Affiliation(s)
| | - Ammar Chapra
- Department of CardiologyHeart Hospital, Hamad Medical CorporationDohaQatar
| | - Bara Al‐Qudah
- Department of Internal MedicineHamad Medical CorporationDohaQatar
| | - Ahmed Bishawi
- Infectious Disease Division, Department of Internal MedicineHamad Medical CorporationDohaQatar
| | - Ahmed Shebani
- Department of Internal MedicineHamad Medical CorporationDohaQatar
| | - Ibrahim Obeidat
- Department of Internal MedicineHamad Medical CorporationDohaQatar
| | - Mhd Baraa Habib
- Department of CardiologyHeart Hospital, Hamad Medical CorporationDohaQatar
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Amato B, Ippolito D, Vitale M, Alduina R, Galluzzo P, Gerace E, Pruiti Ciarello F, Fiasconaro M, Cannella V, Di Marco Lo Presti V. Comparative Study of Mycobacterium bovis and Mycobacterium avium subsp. paratuberculosis In Vitro Infection in Bovine Bone Marrow Derived Macrophages: Preliminary Results. Microorganisms 2024; 12:407. [PMID: 38399810 PMCID: PMC10893549 DOI: 10.3390/microorganisms12020407] [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: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Bovine tuberculosis and paratuberculosis are endemic in many areas worldwide. This work aims to study cytokines production and gene expression profiles of bovine macrophages infected with Mycobacterium bovis and Mycobacterium paratuberculosis subsp. avium (MAP) strains to identify potential diagnostic biomarkers. Bovine bone marrow stem cells were differentiated into macrophages and subsequently infected in vitro with different spoligotypes of M. bovis and MAP field strains (as single infections and coinfections), using different multiplicity of infection. Supernatant and cell pellets were collected 24 h, 48 h, and one week post-infection. Preliminarily, gene expression on cell pellets of IL-1β, IL-2, INFγ, IL-6, IL-10, IL-12, and TNFα was assessed by qRT-PCR one week p.i. Subsequently, IL-1β and IL-6 were measured by ELISA and qRT-PCR to investigated their production retrospectively 24 h and 48 h p.i. A variability in macrophages response related to the concentration of mycobacteria, the coinfection with MAP, and M. bovis spoligotypes was identified. An early and constant IL-6 increase was observed in the M. bovis infection. A lower increase in IL-1β was also detected at the highest concentration of the two M. bovis spoligotypes one week post-infection. IL-6 and IL-1 β production was reduced and differently expressed in the MAP infection. IL-6 appeared to be the earliest cytokines produced by bovine macrophages infected with M. bovis.
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Affiliation(s)
- Benedetta Amato
- Bristol Veterinary School Langford Campus, University of Bristol, Bristol BS40 5DU, UK;
| | - Dorotea Ippolito
- Unit of Emerging Zoonoses, Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità, Viale Regina Elena, 299, 00161 Rome, Italy
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Maria Vitale
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Rosa Alduina
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche, Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy;
| | - Paola Galluzzo
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche, Università degli Studi di Palermo, Viale delle Scienze, 90128 Palermo, Italy;
| | - Elisabetta Gerace
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Flavia Pruiti Ciarello
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Michele Fiasconaro
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Vincenza Cannella
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
| | - Vincenzo Di Marco Lo Presti
- Istituto Zooprofilattico Sperimentale della Sicilia, via S. Andrea 96, 98051 Barcellona Pozzo di Gotto, Italy; (M.V.); (P.G.); (E.G.); (F.P.C.); (M.F.); (V.C.); (V.D.M.L.P.)
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7
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Nguyen M, Ahn P, Dawi J, Gargaloyan A, Kiriaki A, Shou T, Wu K, Yazdan K, Venketaraman V. The Interplay between Mycobacterium tuberculosis and Human Microbiome. Clin Pract 2024; 14:198-213. [PMID: 38391403 PMCID: PMC10887847 DOI: 10.3390/clinpract14010017] [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: 12/27/2023] [Revised: 01/16/2024] [Accepted: 01/17/2024] [Indexed: 02/24/2024] Open
Abstract
Tuberculosis (TB), a respiratory disease caused by Mycobacterium tuberculosis (Mtb), is a significant cause of mortality worldwide. The lung, a breeding ground for Mtb, was once thought to be a sterile environment, but has now been found to host its own profile of microbes. These microbes are critical in the development of the host immune system and can produce metabolites that aid in host defense against various pathogens. Mtb infection as well as antibiotics can shift the microbial profile, causing dysbiosis and dampening the host immune response. Additionally, increasing cases of drug resistant TB have impacted the success rates of the traditional therapies of isoniazid, rifampin, pyrazinamide, and ethambutol. Recent years have produced tremendous research into the human microbiome and its role in contributing to or attenuating disease processes. Potential treatments aimed at altering the gut-lung bacterial axis may offer promising results against drug resistant TB and help mitigate the effects of TB.
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Affiliation(s)
- Michelle Nguyen
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Phillip Ahn
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - John Dawi
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Areg Gargaloyan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Anthony Kiriaki
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Tiffany Shou
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Kevin Wu
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Kian Yazdan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Vishwanath Venketaraman
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
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8
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Hashim Z, Tyagi R, Singh GV, Nath A, Kant S. Preventive treatment for latent tuberculosis from Indian perspective. Lung India 2024; 41:47-54. [PMID: 38160459 PMCID: PMC10883444 DOI: 10.4103/lungindia.lungindia_336_23] [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: 06/28/2023] [Revised: 09/08/2023] [Accepted: 09/30/2023] [Indexed: 01/03/2024] Open
Abstract
The persistent morbidity and mortality associated with tuberculosis (TB), despite our continued efforts, has been long recognized, and the rise in the incidence of drug-resistant TB adds to the preexisting concern. The bulk of the TB burden is confined to low-income countries, and rigorous efforts are made to detect, notify, and systematically treat TB. Efforts have been infused with renewed vigor and determination by the World Health Organization (WHO) to eliminate tuberculosis in the near future. Different health agencies worldwide are harvesting all possible strategies apart from consolidating ongoing practices, including prevention of the development of active disease by treating latent TB infection (LTBI). The guidelines for the same were already provided by the WHO and were then adapted in the Indian guidelines for the treatment of LTBI in 2021. While the long-term impact of TBI treatment is awaited, in this article, we aim to discuss the implications in the Indian context.
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Affiliation(s)
- Zia Hashim
- Department of Pulmonary Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Richa Tyagi
- Department of Pulmonary Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Gajendra Vikram Singh
- Department of Respiratory Medicine, Sarojini Naidu Medical College, Agra, Uttar Pradesh, India
| | - Alok Nath
- Department of Pulmonary Medicine, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
| | - Surya Kant
- Department of Respiratory Medicine, King George’s Medical University, Lucknow, Uttar Pradesh, India
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9
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Li Y, Qian Y, Wang N, Qiu D, Cao H, Wang Y, Luo H, Shen X, Cui H, Wang J, Zhu H. The functions and applications of extracellular vesicles derived from Mycobacterium tuberculosis. Biomed Pharmacother 2023; 168:115767. [PMID: 37865994 DOI: 10.1016/j.biopha.2023.115767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023] Open
Abstract
Extracellular vesicles (EVs) originating from bacteria function critical roles in bacterial biologic physiology and host-pathogen interactions. Mycobacterium tuberculosis (M. tuberculosis) produces EVs both in vitro and in vivo, with membrane-bound nanoparticles facilitating the transmission of biological molecules including lipids, proteins, nucleic acids and glycolipids, while interacting remotely with the host. Although studies of EVs in mycobacterial infections is still in its infancy, it has already revealed an entirely new aspect of M. tuberculosis-host interactions that may have implications for tuberculosis (TB) pathogenesis. In this review, we discuss the significant functions of M. tuberculosis EVs in elucidating the mechanisms underlying vesicle biogenesis and modulating cellular immune responses, as well as the recent advances and challenges in the development of novel preventive and therapeutic or diagnostic strategies against TB.
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Affiliation(s)
- Yujie Li
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Yingfen Qian
- Department of Clinical Laboratory, The Fourth People's Hospital of Kunshan, Suzhou, Jiangsu 215300, PR China
| | - Nan Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Dewen Qiu
- Department of Clinical Laboratory, Jiangxi Maternal and Child health hospital Maternal and Child heath hospital of Nanchang college, Nanchang 215300, PR China
| | - Hui Cao
- Department of Food and Nutrition Safety, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, PR China
| | - Yihua Wang
- Department of Clinical Laboratory, Kunshan Jinxi People's Hospital, Suzhou 215300, PR China
| | - Hao Luo
- Department of Clinical Laboratory, Kunshan Second People's Hospital, Suzhou 215300, PR China
| | - Xiaodong Shen
- Penglang Community Health Service Center of Kunshan Economic and Technological Development Zone, Suzhou 215300, PR China
| | - Hanwei Cui
- Department of Central Laboratory, The Fourth People's Hospital of Shenzhen, Shenzhen 518118, PR China.
| | - Jianjun Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China.
| | - Hong Zhu
- Department of Clinical Laboratory, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213000, PR China.
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10
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Silva APB, Roque-Borda CA, Carnero Canales CS, Duran Gleriani Primo LM, Silva IC, Ribeiro CM, Chorilli M, da Silva PB, Silva JL, Pavan FR. Activity of Bacteriophage D29 Loaded on Nanoliposomes against Macrophages Infected with Mycobacterium tuberculosis. Diseases 2023; 11:150. [PMID: 37987261 PMCID: PMC10660732 DOI: 10.3390/diseases11040150] [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: 09/21/2023] [Revised: 10/14/2023] [Accepted: 10/19/2023] [Indexed: 11/22/2023] Open
Abstract
The search for new antimicrobial agents is a continuous struggle, mainly because more and more cases of resistant strains are being reported. Mycobacterium tuberculosis (MTB) is the main microorganism responsible for millions of deaths worldwide. The development of new antimicrobial agents is generally aimed at finding strong interactions with one or more bacterial receptors. It has been proven that bacteriophages have the ability to adhere to specific and selective regions. However, their transport and administration must be carefully evaluated as an excess could prevent a positive response and the bacteriophages may be eliminated during their journey. With this in mind, the mycobacteriophage D29 was encapsulated in nanoliposomes, which made it possible to determine its antimicrobial activity during transport and its stability in the treatment of active and latent Mycobacterium tuberculosis. The antimicrobial activity, the cytotoxicity in macrophages and fibroblasts, as well as their infection and time-kill were evaluated. Phage nanoencapsulation showed efficient cell internalization to induce MTB clearance with values greater than 90%. Therefore, it was shown that nanotechnology is capable of assisting in the activity of degradation-sensitive compounds to achieve better therapy and evade the immune response against phages during treatment.
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Affiliation(s)
- Ana P. B. Silva
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
| | - Cesar Augusto Roque-Borda
- Facultad de Ciencias Farmaceuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María, Arequipa 04000, Peru
| | - Christian S. Carnero Canales
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
| | - Laura Maria Duran Gleriani Primo
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
| | - Isabel C. Silva
- Department of Genetics and Morphology of the Institute of Biological Sciences, University of Brasilia (UNB), Brasília 70910-900, Brazil
| | - Camila M. Ribeiro
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
| | - Marlus Chorilli
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
| | - Patrícia Bento da Silva
- Department of Genetics and Morphology of the Institute of Biological Sciences, University of Brasilia (UNB), Brasília 70910-900, Brazil
| | - Joás L. Silva
- National Heart, Lung, and Blood Institute, National Institute of Health (NIH), Bethesda, MD 20892, USA
| | - Fernando Rogério Pavan
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil
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11
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Cavalcante-Silva LHA, Almeida FS, Andrade AGD, Comberlang FC, Cardoso LL, Vanderley SER, Keesen TSL. Mycobacterium tuberculosis in a Trap: The Role of Neutrophil Extracellular Traps in Tuberculosis. Int J Mol Sci 2023; 24:11385. [PMID: 37511144 PMCID: PMC10379580 DOI: 10.3390/ijms241411385] [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: 05/21/2023] [Revised: 07/07/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
Mycobacterium tuberculosis complex causes tuberculosis (TB), a disease that causes pulmonary inflammation but can also affect other tissues. Despite macrophages having a defined role in TB immunopathogenesis, other innate immune cells, such as neutrophils, are involved in this process. These cells have high phagocytic ability and a microbial-killing machine comprised of enzymes, antimicrobial peptides, and reactive oxygen species. In the last two decades, a new neutrophil immune response, the neutrophil extracellular traps (NETs), has been intensely researched. NETs comprise DNA associated with histones, enzymes, and antimicrobial peptides. These structures are related to antimicrobial immune response and some immuno-pathogenesis mechanisms. This mini review highlights the role of NETs in tuberculosis and how they can be helpful as a diagnostic tool and/or therapeutic target.
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Affiliation(s)
- Luiz Henrique Agra Cavalcante-Silva
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Fernanda Silva Almeida
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Arthur Gomes de Andrade
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Fernando Cézar Comberlang
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Leonardo Lima Cardoso
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Shayenne Eduarda Ramos Vanderley
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
| | - Tatjana S L Keesen
- Immunology of Infectious Diseases Laboratory, Department of Cellular and Molecular Biology, Federal University of Paraiba, João Pessoa 58051-900, PB, Brazil
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12
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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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13
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Mundra A, Yegiazaryan A, Karsian H, Alsaigh D, Bonavida V, Frame M, May N, Gargaloyan A, Abnousian A, Venketaraman V. Pathogenicity of Type I Interferons in Mycobacterium tuberculosis. Int J Mol Sci 2023; 24:3919. [PMID: 36835324 PMCID: PMC9965986 DOI: 10.3390/ijms24043919] [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: 01/09/2023] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/17/2023] Open
Abstract
Tuberculosis (TB) is a leading cause of mortality due to infectious disease and rates have increased during the emergence of COVID-19, but many of the factors determining disease severity and progression remain unclear. Type I Interferons (IFNs) have diverse effector functions that regulate innate and adaptive immunity during infection with microorganisms. There is well-documented literature on type I IFNs providing host defense against viruses; however, in this review, we explore the growing body of work that indicates high levels of type I IFNs can have detrimental effects to a host fighting TB infection. We report findings that increased type I IFNs can affect alveolar macrophage and myeloid function, promote pathological neutrophil extracellular trap responses, inhibit production of protective prostaglandin 2, and promote cytosolic cyclic GMP synthase inflammation pathways, and discuss many other relevant findings.
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Affiliation(s)
- Akaash Mundra
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Aram Yegiazaryan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Haig Karsian
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Dijla Alsaigh
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Victor Bonavida
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Mitchell Frame
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Nicole May
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Areg Gargaloyan
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Arbi Abnousian
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
| | - Vishwanath Venketaraman
- College of Osteopathic Medicine of the Pacific, Western University of Health Sciences, Pomona, CA 91766, USA
- Graduate College of Biomedical Sciences, Western University of Health Sciences, Pomona, CA 91768, USA
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14
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Maphanga C, Manoto S, Ombinda-Lemboumba S, Ismail Y, Mthunzi-Kufa P. Localized surface plasmon resonance biosensing of Mycobacterium tuberculosis biomarker for TB diagnosis. SENSING AND BIO-SENSING RESEARCH 2023. [DOI: 10.1016/j.sbsr.2022.100545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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15
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Baya B, Kone B, Somboro A, Kodio O, Somboro AM, Diarra B, Traore FG, Kone D, Traore MA, Kone M, Togo AG, Sarro YS, Maiga A, Maiga M, Toloba Y, Diallo S, Murphy RL, Doumbia S. Prevalence and Clinical Relevance of Schistosoma mansoni Co-Infection with Mycobacterium tuberculosis: A Systematic Literature Review. OPEN JOURNAL OF EPIDEMIOLOGY 2023; 13:97-111. [PMID: 36910425 PMCID: PMC9997105 DOI: 10.4236/ojepi.2023.131008] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Tuberculosis disease stands for the second leading cause of death worldwide after COVID-19, most active tuberculosis cases result from the reactivation of latent TB infection through impairment of immune response. Several factors are known to sustain that process. Schistosoma mansoni, a parasite of the helminth genus that possesses switching power from an immune profile type Th1 to Th2 that favors reactivation of latent TB bacteria. The aim of the study was to assess the prevalence of the co-infection between the two endemic infections. Systematic literature was contacted at the University Clinical Research Center at the University of Sciences, Techniques, and Technologies of Bamako in Mali. Original articles were included, and full texts were reviewed to assess the prevalence and better understand the immunological changes that occur during the co-infection. In total, 3530 original articles were retrieved through database search, 53 were included in the qualitative analysis, and data from 10 were included in the meta-analysis. Prevalence of the co-infection ranged from 4% to 34% in the literature. Most of the articles reported that immunity against infection with helminth parasite and more specifically Schistosoma mansoni infection enhances latent TB reactivation through Th1/Th2. In sum, the impact of Schistosoma mansoni co-infection with Mycobacterium tuberculosis is under-investigated. Understanding the role of this endemic tropical parasite as a contributing factor to TB epidemiology and burden could help integrate its elimination as one of the strategies to achieve the END-TB objectives by the year 2035.
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Affiliation(s)
- Bocar Baya
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali.,Service of Pneumopthisiology of the University Teaching Hospital of Point G, Bamako, Mali
| | - Bourahima Kone
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Amadou Somboro
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Ousmane Kodio
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Anou Moise Somboro
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Bassirou Diarra
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Fah Gaoussou Traore
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Drissa Kone
- Clinical Laboratory of the University Teaching Hospital of Point G, Bamako, Mali
| | - Mama Adama Traore
- Clinical Laboratory of the University Teaching Hospital of Point G, Bamako, Mali
| | - Mahamadou Kone
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Antieme Georges Togo
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Yeya Sadio Sarro
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Almoustapha Maiga
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Mamoudou Maiga
- Clinical Laboratory of the University Teaching Hospital of Point G, Bamako, Mali.,Havey Institute for Global Health (Havey IGH), Northwestern University (NU), Chicago, USA
| | - Yacouba Toloba
- Service of Pneumopthisiology of the University Teaching Hospital of Point G, Bamako, Mali
| | - Souleymane Diallo
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
| | - Robert L Murphy
- Havey Institute for Global Health (Havey IGH), Northwestern University (NU), Chicago, USA
| | - Seydou Doumbia
- University Clinical Research Center (UCRC) of the University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
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16
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Bhattarai P, Hegde P, Li W, Prathipati PK, Stevens CM, Yang L, Zhou H, Pandya A, Cunningham K, Grissom J, Roman Sotelo M, Sowards M, Calisto L, Destache CJ, Rocha-Sanchez S, Gumbart JC, Zgurskaya HI, Jackson M, North EJ. Structural Determinants of Indole-2-carboxamides: Identification of Lead Acetamides with Pan Antimycobacterial Activity. J Med Chem 2023; 66:170-187. [PMID: 36563291 PMCID: PMC10010622 DOI: 10.1021/acs.jmedchem.2c00352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis (M.tb), is one of the leading causes of death in developing countries. Non-tuberculous mycobacteria (NTM) infections are rising and prey upon patients with structural lung diseases such as chronic obstructive pulmonary disease (COPD) and cystic fibrosis. All mycobacterial infections require lengthy treatment regimens with undesirable side effects. Therefore, new antimycobacterial compounds with novel mechanisms of action are urgently needed. Published indole-2-carboxamides (IC) with suggested inhibition of the essential transporter MmpL3 showed good potency against whole-cell M.tb, yet had poor aqueous solubility. This project focused on retaining the required MmpL3 inhibitory pharmacophore and increasing the molecular heteroatom percentage by reducing lipophilic atoms. We evaluated pyrrole, mandelic acid, imidazole, and acetamide functional groups coupled to lipophilic head groups, where lead acetamide-based compounds maintained high potency against mycobacterial pathogens, had improved in vitro ADME profiles over their indole-2-carboxamide analogs, were non-cytotoxic, and were determined to be MmpL3 inhibitors.
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Affiliation(s)
- Pankaj Bhattarai
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Pooja Hegde
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Wei Li
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado80523, United States
| | - Pavan Kumar Prathipati
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Casey M Stevens
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma73019, United States
| | - Lixinhao Yang
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Hinman Zhou
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Amit Pandya
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Katie Cunningham
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Jenny Grissom
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Mariaelena Roman Sotelo
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Melanie Sowards
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Lilian Calisto
- Department of Oral Biology, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Christopher J Destache
- Department of Pharmacy Practice, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - Sonia Rocha-Sanchez
- Department of Oral Biology, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
| | - James C Gumbart
- School of Physics and School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
| | - Helen I Zgurskaya
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma73019, United States
| | - Mary Jackson
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado80523, United States
| | - E Jeffrey North
- Department of Pharmacy Sciences, Creighton University, 2500 California Plaza, Omaha, Nebraska68178, United States
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17
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Tchakounte Youngui B, Tchounga BK, Graham SM, Bonnet M. Tuberculosis Infection in Children and Adolescents. Pathogens 2022; 11:pathogens11121512. [PMID: 36558846 PMCID: PMC9784659 DOI: 10.3390/pathogens11121512] [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: 11/15/2022] [Revised: 12/04/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
The burden of tuberculosis (TB) in children and adolescents remains very significant. Several million children and adolescents are infected with TB each year worldwide following exposure to an infectious TB case and the risk of progression from TB infection to tuberculosis disease is higher in this group compared to adults. This review describes the risk factors for TB infection in children and adolescents. Following TB exposure, the risk of TB infection is determined by a combination of index case characteristics, contact features, and environmental determinants. We also present the recently recommended approaches to diagnose and treat TB infection as well as novel tests for infection. The tests for TB infection have limitations and diagnosis still relies on an indirect immunological assessment of cellular immune response to Mycobacterium tuberculosis antigens using immunodiagnostic testing. It is recommended that TB exposed children and adolescents and those living with HIV receive TB preventive treatment (TPT) to reduce the risk of progression to TB disease. Several TPT regimens of similar effectiveness and safety are now available and recommended by the World Health Organisation.
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Affiliation(s)
- Boris Tchakounte Youngui
- TransVIHMI, Institut de Recherche pour le Développement (IRD), Institut National de la Santé et de la Recherche Médicale (INSERM), University of Montpellier, 34090 Montpellier, France
- Department of Public Health Evaluation and Research, Elizabeth Glaser Paediatric AIDS Foundation, Yaoundé 99322, Cameroon
- Correspondence:
| | - Boris Kevin Tchounga
- Department of Public Health Evaluation and Research, Elizabeth Glaser Paediatric AIDS Foundation, Yaoundé 99322, Cameroon
| | - Stephen M. Graham
- Department of Paediatrics and Murdoch Children’s Research Institute, Royal Children’s Hospital, University of Melbourne, Melbourne 3052, Australia
| | - Maryline Bonnet
- TransVIHMI, Institut de Recherche pour le Développement (IRD), Institut National de la Santé et de la Recherche Médicale (INSERM), University of Montpellier, 34090 Montpellier, France
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18
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Responses of Humoral and Cellular Immune Mediators in BALB/c Mice to LipX (PE11) as Seed Tuberculosis Vaccine Candidates. Genes (Basel) 2022; 13:genes13111954. [DOI: 10.3390/genes13111954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 11/17/2022] Open
Abstract
A member of the pe/ppe gene family, lipX (pe11), is capable of directing persistent Mycobacterium tuberculosis and avoiding host immune responses. Some studies have indicated that LipX (PE11) can detect humoral antibodies in tuberculosis patients. Hence, information on immune mediators’ responses to this protein is essential to understand its protective efficacy against M. tuberculosis infections. This study aimed to examine the response of immune mediators to pCDNA3.1-lipX expression in vivo. In the experiment, pCDNA3.1-lipX was injected into BALB/c strain male mice aged between 6 and 8 weeks, and they were compared to groups injected with pCDNA3.1 and without injection. The injection was carried out three times intramuscularly every two weeks. Blood was taken retro-orbitally and used for humoral response analysis by Western blotting against LipX-His protein. Simultaneously, the splenocytes were cultured and induced with LipX-His protein for cellular immunity analyses. Our study showed that the recombinant DNA of pCDNA3.1-lipX induced a humoral and cellular immune response, especially in IL-4, IL-12, and IFN-γ, which are the primary cellular responses to M. tuberculosis infections. However, additional studies, such as a challenge study, are needed to strengthen the argument that this plasmid construction is feasible as a tuberculosis seed vaccine candidate.
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19
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Mohd Hassan NZA, Razali A, Mohd Nor Sham Kunusagaran MSJ, Aminuddin F. A symptomatic approach to tuberculosis screening for high-risk groups in Malaysia: Cost-effectiveness and budget impact analysis. J Clin Tuberc Other Mycobact Dis 2022; 29:100334. [PMID: 36262308 PMCID: PMC9574700 DOI: 10.1016/j.jctube.2022.100334] [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: 11/25/2022] Open
Abstract
BACKGROUND One of the crucial areas of eliminating TB is the early detection of cases through the screening programme. This study's focal point is to measure the relative cost-effectiveness and budget impact of the symptomatic approach compared to the existing approach of TB screening (consisted of both symptomatic and asymptomatic screening) among high-risk groups in Malaysia. METHOD The Cost-Effectiveness Analysis (CEA) was measured using a decision tree model and the outcome is presented in terms of cost per TB case detected and the ICER. Analysis was conducted using secondary data collected from the Disease Control Division, Sabah and Sarawak State Health Departments. The robustness of the model is determined by Deterministic and Probabilistic Sensitivity Analysis. Subsequently, Budget impact over 5 years period, from 2018 to 2022 was estimated for both approaches. RESULTS The symptomatic approach was more cost-effective than the existing approach with ICER of MYR 424.71. The cost of conducting Sputum for Acid Fast Bacilli (SAFB) was found as the key driver for ICER. Budget Impact Analysis showed that switching from the existing approach towards the symptomatic approach would result in a cost-saving of MYR 65.5 million over 5 years. However, this would lead to 4473 TB cases being undetected over the same duration. CONCLUSION This study suggests that the policymakers have to weigh the trade-off between cost-saving and TB case detection. This cost-saving can be channelled to new TB intervention programme with a higher chance of TB case detection. Nevertheless, any decision made must be in concordance to the objectives of the country's TB programme.
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Affiliation(s)
- Nor Zam Azihan Mohd Hassan
- Center for Health Economics Research, Institute for Health Systems Research (IHSR), Ministry of Health Malaysia, Shah Alam, Selangor Darul Ehsan, Malaysia
- Corresponding author.
| | - Asmah Razali
- Disease Control Division, Ministry of Health Malaysia, Wilayah Persekutuan Putrajaya, Malaysia
| | | | - Farhana Aminuddin
- Center for Health Economics Research, Institute for Health Systems Research (IHSR), Ministry of Health Malaysia, Shah Alam, Selangor Darul Ehsan, Malaysia
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20
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Leonso AA, Brown K, Prol R, Rawat S, Khunger A, Bromberg R. A Rare Case of Latent Tuberculosis Reactivation Secondary to a COVID-19 Infection. Infect Dis Rep 2022; 14:446-452. [PMID: 35735758 PMCID: PMC9222568 DOI: 10.3390/idr14030048] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/08/2022] [Accepted: 06/08/2022] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) and tuberculosis (TB) are currently the two leading causes of death among infectious diseases. As we progress towards a “new normal”, more information is required regarding post-COVID-19 syndromes. We present a case of latent tuberculosis reactivation 3 months after a successful inpatient treatment of COVID-19. A 74-year-old female from the Philippines presented with a new left mid-lung infiltrate with worsening shortness of breath and lethargy for one week prior to admission. The clinical course of the patient deteriorated despite broad-spectrum antibiotics, diuretics, and high-dose steroid therapy requiring intubation and mechanical ventilation. Her sputum culture yielded the microbiological diagnosis of TB. Anti-tubercular medications were started and the patient had a favorable clinical outcome. Our case demonstrates that immunosuppression secondary to COVID-19 and its treatments may promote the development of an active TB infection from a latent infection. It is important to be aware of this potential increase in risk during and after a COVID-19 treatment. This is especially important in high-risk populations to ensure an early diagnosis and prompt management as well as to reduce transmission.
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Affiliation(s)
- Ana-Alicia Leonso
- Department of Graduate Medical Education, Memorial Hospital West, Pembroke Pines, FL 33028, USA; (R.P.); (S.R.); (A.K.)
- Correspondence: (A.-A.L.); (K.B.)
| | - Kyle Brown
- Department of Pharmacy, Memorial Hospital West, Pembroke Pines, FL 33028, USA
- Correspondence: (A.-A.L.); (K.B.)
| | - Raquel Prol
- Department of Graduate Medical Education, Memorial Hospital West, Pembroke Pines, FL 33028, USA; (R.P.); (S.R.); (A.K.)
| | - Saumya Rawat
- Department of Graduate Medical Education, Memorial Hospital West, Pembroke Pines, FL 33028, USA; (R.P.); (S.R.); (A.K.)
| | - Arjun Khunger
- Department of Graduate Medical Education, Memorial Hospital West, Pembroke Pines, FL 33028, USA; (R.P.); (S.R.); (A.K.)
| | - Romina Bromberg
- Department of Infectious Diseases, Memorial Hospital West, Pembroke Pines, FL 33028, USA;
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21
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Hernández-Bazán S, Mata-Espinosa D, Lozano-Ordaz V, Ramos-Espinosa O, Barrios-Payán J, López-Casillas F, Hernández-Pando R. Immune regulatory effect of osteopontin gene therapy in a murine model of multi-drug resistant pulmonary tuberculosis. Hum Gene Ther 2022; 33:1037-1051. [PMID: 35615876 DOI: 10.1089/hum.2022.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Tuberculosis (TB) has been for many years a major public health problem since treatment is long and sometimes ineffective favoring the increase of multi-drug-resistant mycobacteria (MDR). Gene therapy is a novel and effective tool to regulate immune responses. In this study we evaluated the therapeutic effect of an adenoviral vector codifying osteopontin (AdOPN), a molecule known for their roles to favour Th1 and Th17 type-cytokine expression which are crucial in TB containment. A single-dose of AdOPN administration in BALB/c mice suffering late progressive pulmonary MDR-TB, produced significant lower bacterial load and pneumonia, due to higher expression of IFN-γ, IL-12 and IL-17 in coexistence with increase of granulomas in number and size, resulting in higher survival, in contrast with mice treated with the control adenovirus that codify the green fluorescent protein (AdGFP). Combined therapy of AdOPN with a regimen of 2nd line antibiotics produced a better control of bacterial load in lung during the first days of treatment, suggesting that AdOPN can shorten chemotherapy. Taken together, gene therapy with AdOPN leads to higher immune responses against TB infection, resulting in a new potential treatment against pulmonary TB that can co-adjuvant chemotherapy.
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Affiliation(s)
- Sujhey Hernández-Bazán
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
| | - Dulce Mata-Espinosa
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
| | - Vasti Lozano-Ordaz
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
| | - Octavio Ramos-Espinosa
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
| | - Jorge Barrios-Payán
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
| | - Fernando López-Casillas
- Universidad Nacional Autónoma de México Instituto de Fisiología Celular, 61739, Department of Cellular and Developmental Biology, Coyoacán, CDMX, Mexico;
| | - Rogelio Hernández-Pando
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, 42559, Department of Pathology, Experimental Pathology Section, Tlalpan, CDMX, Mexico;
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22
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Dong W, Wang G, Feng J, Li P, Wang R, Lu H, Lu W, Wang C, Wang X, Chen H, Xiang Y, Tan C. MiR-25 blunts autophagy and promotes the survival of Mycobacterium tuberculosis by regulating NPC1. iScience 2022; 25:104279. [PMID: 35586071 PMCID: PMC9108763 DOI: 10.1016/j.isci.2022.104279] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/28/2022] [Accepted: 04/19/2022] [Indexed: 02/08/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) evades host clearance by inhibiting autophagy. MicroRNA-25 (miR-25) expression was significantly up-regulated in the lung tissues of mice infected with Bacillus Calmette-Guerin (BCG) and macrophages infected with Mtb or BCG, especially in the early stages of infection. MiR-25 can significantly increase the survival of Mtb and BCG in macrophages. We validated that miR-25 targets the NPC1 protein located on the lysosomal membrane, resulting in damage to lysosomal function, thereby inhibiting autophagolysosome formation and promoting the survival of Mtb and BCG. Consistently, mice lacking miR-25 exhibited more resistant to BCG infection. In addition, we found that Rv1759c induces the expression of miR-25 through NFKB inhibitor zeta (NFKBIZ). This study demonstrates that the role of miR-25 during Mtb infection contributes to a better understanding of the pathogenesis of tuberculosis (TB). Mtb up-modulates miR-25 expression especially in the early stage of infection miR-25 targeting NPC1 impairs autophagic flux in macrophages Mice lacking miR-25 exhibits more resistant to BCG infection Rv1759c regulates miR-25 expression and Mtb survival via NFKBIZ
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Affiliation(s)
- Wenqi Dong
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Gaoyan Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Jiajia Feng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Pei Li
- Department of Gastrointestinal Surgery, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, China
| | - Rui Wang
- Department of Experimental Animal Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hao Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Wenjia Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Chenchen Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Xiangru Wang
- Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
| | - Yaozu Xiang
- School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Chen Tan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
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23
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Environment dependent expression of mycobacterium hormone sensitive lipases: expression pattern under ex-vivo and individual in-vitro stress conditions in M. tuberculosis H37Ra. Mol Biol Rep 2022; 49:4583-4593. [PMID: 35301657 DOI: 10.1007/s11033-022-07305-4] [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: 10/30/2021] [Revised: 01/27/2022] [Accepted: 02/24/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Hormone-sensitive lipase (HSL) is a neutral lipase capable of hydrolysing various kinds of lipids. In comparison to single human Hormone Sensitive Lipase (hHSL), that is induced under nutritional stress, twelve serine hydrolases are annotated as HSL in Mycobacterium tuberculosis (mHSL). Mycobacterium is exposed to multiple stresses inside the host. Therefore, the present study was carried out to investigate if mHSL are also expressed under stress condition and if there is any correlation between various stress conditions and expression pattern of mHSL. METHODS AND RESULTS The expression pattern of mHSL under different environmental conditions (in-vitro and ex-vivo) were studied using qRT-PCR in M. tuberculosis H37Ra strain with 16 S rRNA as internal control. Out of 12, only two genes (lipU and lipY) were expressed at very low level in mid log phase culture under aerobic conditions, while 9 genes were expressed at stationary phase of growth. Ten mHSLs were expressed post-infection under ex-vivo conditions in time dependent manner. LipH and lipQ did not express at any time point under ex-vivo condition. The relative expression of most of the genes under individual stress was much higher than observed in ex-vivo conditions. The expression pattern of genes varied with change in stress condition. CONCLUSIONS Different sets of mHSL genes were expressed under different individual stress conditions pointing towards the requirement of different mHSL to combat different stress conditions. Overall, most of the mHSLs have demonstrated stress dependent expression pointing towards their role in intracellular survival of mycobacteria.
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24
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Yang TY, Lin CL, Yao WC, Lio CF, Chiang WP, Lin K, Kuo CF, Tsai SY. How mycobacterium tuberculosis infection could lead to the increasing risks of chronic fatigue syndrome and the potential immunological effects: a population-based retrospective cohort study. J Transl Med 2022; 20:99. [PMID: 35189895 PMCID: PMC8862378 DOI: 10.1186/s12967-022-03301-1] [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: 12/03/2021] [Accepted: 02/08/2022] [Indexed: 12/30/2022] Open
Abstract
Background Chronic fatigue syndrome (CFS) has been shown to be associated with infections. Tuberculosis (TB) is a highly prevalent infectious disease. Patients with chronic fatigue syndrome and post-tuberculosis experience similar symptoms. Furthermore, chronic fatigue syndrome and tuberculosis share similar plasma immunosignatures. This study aimed to clarify the risk of chronic fatigue syndrome following the diagnosis of Mycobacterium tuberculosis infection (MTI), by analyzing the National Health Insurance Research Database of Taiwan. Methods 7666 patients aged 20 years or older with newly diagnosed Mycobacterium tuberculosis infection during 2000–2011 and 30,663 participants without Mycobacterium tuberculosis infection were identified. Both groups were followed up until the diagnoses of chronic fatigue syndrome were made at the end of 2011. Results The relationship between Mycobacterium tuberculosis infection and the subsequent risk of chronic fatigue syndrome was estimated through Cox proportional hazards regression analysis, with the incidence density rates being 3.04 and 3.69 per 1000 person‐years among the non‐Mycobacterium tuberculosis infection and Mycobacterium tuberculosis infection populations, respectively (adjusted hazard ratio [HR] = 1.23, with 95% confidence interval [CI] 1.03–1.47). In the stratified analysis, the Mycobacterium tuberculosis infection group were consistently associated with a higher risk of chronic fatigue syndrome in the male sex (HR = 1.27, 95% CI 1.02–1.58) and age group of ≥ 65 years old (HR = 2.50, 95% CI 1.86–3.38). Conclusions The data from this population‐based retrospective cohort study revealed that Mycobacterium tuberculosis infection is associated with an elevated risk of subsequent chronic fatigue syndrome.
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Affiliation(s)
- Tse-Yen Yang
- Molecular and Genomic Epidemiology Center, China Medical University Hospital, Taichung City, 404, Taiwan.,College of Medicine, China Medical University, Taichung City, 404, Taiwan
| | - Cheng-Li Lin
- College of Medicine, China Medical University, Taichung City, 404, Taiwan.,Management Office for Health Data, China Medical University Hospital, Taichung City, 404, Taiwan
| | - Wei-Cheng Yao
- Department of Anesthesiology and Pain Medicine, Min-Sheng General Hospital, Tao-Yuan City, 330, Taiwan
| | - Chon-Fu Lio
- Department of Laboratory Medicine, Mackay Memorial Hospital, Taipei City, 104, Taiwan
| | - Wen-Po Chiang
- Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan
| | - Kuan Lin
- Department of Laboratory Medicine, Mackay Memorial Hospital, Taipei City, 104, Taiwan
| | - Chien-Feng Kuo
- Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan.,Institute of Infectious Disease, Mackay Memorial Hospital, Taipei City, 104, Taiwan
| | - Shin-Yi Tsai
- Department of Laboratory Medicine, Mackay Memorial Hospital, Taipei City, 104, Taiwan. .,Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan. .,Graduate Institute of Long-Term Care, Mackay Medical College, New Taipei City, 252, Taiwan. .,Graduate Institute of Biomedical Sciences, Mackay Medical College, New Taipei City, 252, Taiwan. .,Department of Health Policy and Management, Johns Hopkins University Bloomberg School of Public Health, Baltimore, 21205, USA.
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25
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Dass SA, Balakrishnan V, Arifin N, Lim CSY, Nordin F, Tye GJ. The COVID-19/Tuberculosis Syndemic and Potential Antibody Therapy for TB Based on the Lessons Learnt From the Pandemic. Front Immunol 2022; 13:833715. [PMID: 35242137 PMCID: PMC8886238 DOI: 10.3389/fimmu.2022.833715] [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: 12/12/2021] [Accepted: 01/25/2022] [Indexed: 12/19/2022] Open
Abstract
2020 will be marked in history for the dreadful implications of the COVID-19 pandemic that shook the world globally. The pandemic has reshaped the normality of life and affected mankind in the aspects of mental and physical health, financial, economy, growth, and development. The focus shift to COVID-19 has indirectly impacted an existing air-borne disease, Tuberculosis. In addition to the decrease in TB diagnosis, the emergence of the TB/COVID-19 syndemic and its serious implications (possible reactivation of latent TB post-COVID-19, aggravation of an existing active TB condition, or escalation of the severity of a COVID-19 during TB-COVID-19 coinfection), serve as primary reasons to equally prioritize TB. On a different note, the valuable lessons learnt for the COVID-19 pandemic provide useful knowledge for enhancing TB diagnostics and therapeutics. In this review, the crucial need to focus on TB amid the COVID-19 pandemic has been discussed. Besides, a general comparison between COVID-19 and TB in the aspects of pathogenesis, diagnostics, symptoms, and treatment options with importance given to antibody therapy were presented. Lastly, the lessons learnt from the COVID-19 pandemic and how it is applicable to enhance the antibody-based immunotherapy for TB have been presented.
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Affiliation(s)
- Sylvia Annabel Dass
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Minden, Malaysia
| | - Venugopal Balakrishnan
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Minden, Malaysia
| | - Norsyahida Arifin
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Minden, Malaysia
| | - Crystale Siew Ying Lim
- Department of Biotechnology, Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Fazlina Nordin
- Tissue Engineering Centre (TEC), Universiti Kebangsaan Malaysia Medical Centre (UKMMC), Kuala Lumpur, Malaysia
| | - Gee Jun Tye
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Minden, Malaysia
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26
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Mohiuddin SG, Sulaiman SAS, Albitar O, Iqbal MS, Obaidullah M, Ghadzi SMS, Khan AH, Mutallif AR. A Retrospective Study on Tuberculous Lymphadenitis: A Finding from Multicenter Referral Hospitals. J Pharm Bioallied Sci 2022; 14:140-146. [PMID: 36506726 PMCID: PMC9728066 DOI: 10.4103/jpbs.jpbs_473_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/10/2021] [Accepted: 08/04/2022] [Indexed: 12/15/2022] Open
Abstract
Background Extrapulmonary tuberculosis represents about 14% of all cases of tuberculosis (TB) in Malaysia. The aim of the study includes the evaluation of sociodemographic factors, clinical manifestations, comorbidities among patients with tuberculous lymphadenitis and their treatment outcomes. Methods The retrospective study was conducted from 2006 to 2008. Data on sociodemographic along with histopathological results were collected. The signs and symptoms were also recorded from TB registers, treatment cards, and TB medical personal files using the standard data collection tool. Among multiple variables, the significant factors identified by univariate analysis were included in the multivariate logistic regression to estimate the odds ratios with the 95% confidence intervals. The statistically significant P value was considered <0.05. Results There were 348 (57%) males, and on the other hand, 262 (43%) females which shows almost equal incidence rate of lymphadenitis in both genders. The age group was observed from 2 to 83 years old. Therefore, the age group between 26 and 35 years showed 194 (31.8%) patients diagnosed with lymphadenitis and followed by 16-25 years (21%). The mean age was found as 34.3 ± 14.6 years were majorly reported with positive diagnosis. One hundred and ninety-six (32.1%) Malay population were found with tuberculous lymphadenitis followed by the Chinese population of 148 (24.3%). The other prominent races were Pilipino, Indonesians, and other expatriates. Geographically, patients were from 386 (63.3%) urban population were found positive for lymphadenitis and over 224 (36.7%) population of the rural region. The treatment outcome was observed 444 (72.8%) with successful treatment. The World Health Organization states the types of treatment failures, and accordingly, 85 (13.9%) patients were continued with the therapy that can be due to noncompliance or relapse of TB. Among the unsuccessful outcomes, 194 patients of age group 26-35 years, 65 (33.5%) were reported and 38 (29.7%) patients out of 128 between ages of 16-25 years. Blood test results showed erythrocyte sedimentation rate >10 in 280 (45.9%) patients. Therefore, among 280, there were 115 (41.1%) patients were found to have unsuccessful treatment showing very strong association with P < 0.001. Conclusion The finding signifies that effect of weight loss on poor treatment outcomes' and active screening measures for patients with comorbidities are therefore recommended in patients with tuberculous lymphadenitis along with improvements in the diagnosis and early management of comorbidities complications. As young age group was found to have poor or unsuccessful treatment outcomes and required aggressive strategy together with educating patients can further increase the treatment success rate.
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Affiliation(s)
- Syed Ghouse Mohiuddin
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Syed Azhar Syed Sulaiman
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Orwa Albitar
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Muhammad Shahid Iqbal
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | | | | | - Amer Hayat Khan
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, Malaysia,Address for correspondence: Dr. Amer Hayat Khan, Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Gelugor, Penang, Malaysia. E-mail:
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27
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Egorova A, Salina EG, Makarov V. Targeting Non-Replicating Mycobacterium tuberculosis and Latent Infection: Alternatives and Perspectives (Mini-Review). Int J Mol Sci 2021; 22:ijms222413317. [PMID: 34948114 PMCID: PMC8707483 DOI: 10.3390/ijms222413317] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 01/02/2023] Open
Abstract
Latent tuberculosis infection (LTBI) represents a major challenge to curing TB disease. Current guidelines for LTBI management include only three older drugs and their combinations-isoniazid and rifamycins (rifampicin and rifapentine). These available control strategies have little impact on latent TB elimination, and new specific therapeutics are urgently needed. In the present mini-review, we highlight some of the alternatives that may potentially be included in LTBI treatment recommendations and a list of early-stage prospective small molecules that act on drug targets specific for Mycobacterium tuberculosis latency.
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Affiliation(s)
- Anna Egorova
- The Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Center of Biotechnology RAS), 119071 Moscow, Russia; (A.E.); (E.G.S.)
| | - Elena G. Salina
- The Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Center of Biotechnology RAS), 119071 Moscow, Russia; (A.E.); (E.G.S.)
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, 27100 Pavia, Italy
| | - Vadim Makarov
- The Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Center of Biotechnology RAS), 119071 Moscow, Russia; (A.E.); (E.G.S.)
- Correspondence:
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Comberiati P, Di Cicco M, Paravati F, Pelosi U, Di Gangi A, Arasi S, Barni S, Caimmi D, Mastrorilli C, Licari A, Chiera F. The Role of Gut and Lung Microbiota in Susceptibility to Tuberculosis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182212220. [PMID: 34831976 PMCID: PMC8623605 DOI: 10.3390/ijerph182212220] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/16/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022]
Abstract
Tuberculosis is one of the most common infectious diseases and infectious causes of death worldwide. Over the last decades, significant research effort has been directed towards defining the understanding of the pathogenesis of tuberculosis to improve diagnosis and therapeutic options. Emerging scientific evidence indicates a possible role of the human microbiota in the pathophysiology of tuberculosis, response to therapy, clinical outcomes, and post-treatment outcomes. Although human studies on the role of the microbiota in tuberculosis are limited, published data in recent years, both from experimental and clinical studies, suggest that a better understanding of the gut-lung microbiome axis and microbiome-immune crosstalk could shed light on the specific pathogenetic mechanisms of Mycobacterium tuberculosis infection and identify new therapeutic targets. In this review, we address the current knowledge of the host immune responses against Mycobacterium tuberculosis infection, the emerging evidence on how gut and lung microbiota can modulate susceptibility to tuberculosis, the available studies on the possible use of probiotic-antibiotic combination therapy for the treatment of tuberculosis, and the knowledge gaps and future research priorities in this field.
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Affiliation(s)
- Pasquale Comberiati
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (M.D.C.); (A.D.G.)
- Allergology and Pulmonology Section, Pediatrics Unit, Pisa University Hospital, 56126 Pisa, Italy
- Department of Clinical Immunology and Allergology, I.M. Sechenov First Moscow State Medical University, Moscow 119991, Russia
- Correspondence:
| | - Maria Di Cicco
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (M.D.C.); (A.D.G.)
- Allergology and Pulmonology Section, Pediatrics Unit, Pisa University Hospital, 56126 Pisa, Italy
| | - Francesco Paravati
- Department of Pediatrics, San Giovanni di Dio Hospital, 88900 Crotone, Italy; (F.P.); (F.C.)
| | - Umberto Pelosi
- Pediatric Unit, Santa Barbara Hospital, 09016 Iglesias, Italy;
| | - Alessandro Di Gangi
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (M.D.C.); (A.D.G.)
- Allergology and Pulmonology Section, Pediatrics Unit, Pisa University Hospital, 56126 Pisa, Italy
| | - Stefania Arasi
- Area of Translational Research in Pediatric Specialities, Allergy Unit, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Simona Barni
- Allergic Unit, Department of Pediatric, Meyer Children’s Hospital, 50139 Florence, Italy;
| | - Davide Caimmi
- Allergy Unit, CHU de Montpellier, Université de Montpellier, 34295 Montpellier, France;
- IDESP, UMR A11, Université de Montpellier, 34093 Montpellier, France
| | - Carla Mastrorilli
- Department of Pediatrics, University Hospital Consortium Corporation Polyclinic of Bari, Pediatric Hospital Giovanni XXIII, 70124 Bari, Italy;
| | - Amelia Licari
- Pediatric Clinic, Pediatrics Department, Policlinico San Matteo, University of Pavia, 27100 Pavia, Italy;
| | - Fernanda Chiera
- Department of Pediatrics, San Giovanni di Dio Hospital, 88900 Crotone, Italy; (F.P.); (F.C.)
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Dysregulated expression of microRNAs in aqueous humor from intraocular tuberculosis patients. Mol Biol Rep 2021; 49:97-107. [PMID: 34677715 DOI: 10.1007/s11033-021-06846-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/15/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Systemic Mycobacterium tuberculosis (Mtb) infection alters microRNA's expression that controls cellular processes and modulates host defense mechanisms. However, the role of miRNAs in intraocular tuberculosis (IOTB) remains unknown. Therefore, this study aims to identify dysregulated miRNAs in the aqueous humor (AH) of patients with IOTB. METHODS AH from intraocular tuberculosis patients (n = 2) and cataract controls (n = 2) were used for small RNA deep sequencing using HiSeq Illumina sequencing platform. Differentially expressed miRNAs and their targets were identified by the bioinformatics approach, and their regulatory functions were predicted by pathway enrichment analysis. The expression of selected miRNAs and their binding targets were further validated by real-time quantitative PCR (RT-qPCR). RESULTS In total, we identified 56 differentially expressed miRNAs in the AH of intraocular tuberculosis (IOTB) patients compared to controls. We selected four significantly dysregulated miRNAs (miR-423-5p, miR-328-3p, miR-21-5p, and miR-16-5p) based on the RT-qPCR validation and predicted their gene targets. We developed a miRNA-targets regulatory network by combining pathways of interest and genes associated with TB. We identified that these four miRNAs might play an important role in IOTB pathogenesis via tuberculosis-associated pathways; PI3K-Akt signaling, autophagy and MAPK pathway. CONCLUSIONS For the first time, this study identifies the dysregulation of four miRNAs in the AH of IOTB patients using the ultra-low input small-RNA sequencing approach. Further target prediction and validation identify the role of these miRNAs in tuberculosis pathogenesis via tuberculosis-related pathways. This study identifies miRNAs as potentially ideal biomarkers in the aqueous humor of IOTB patients.
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Ali MA, Balcha ES, Woldesemayat AA, Tirore LD. Combined assessment of tuberculosis case notification rate and infection control at health facilities of Dale districts, Sidama Zone, Southern Ethiopia. PLoS One 2021; 16:e0242446. [PMID: 34637447 PMCID: PMC8509858 DOI: 10.1371/journal.pone.0242446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 11/03/2020] [Indexed: 11/18/2022] Open
Abstract
Background Mycobacterium tuberculosis (TB) is the deadliest disease that claims millions of deaths globally. Ethiopia is among the countries heavily hit by the disaster. Despite the effective directly observed treatment and TB infection control (TBIC) measures provided by the world health organization (WHO), the rate of new cases increased daily throughout the country. Healthcare workers (HCWs) are at highest risk serving without having the necessary facility in place while overcrowding of patients exacerbated TB transmission. The study aimed to assess TBIC implementation and analyze case notification rate (CNR) of smear-positive pulmonary TB in the selected health facilities at Dale district, Sidama Zone, Southern Ethiopia. Methods Seven health care facilities have been visited in the study area and smear-positive pulmonary TB notification rate was determined retrospectively during the years 2012 to 2014. Data on smear positive test results and demographic characteristics were collected from the TB unit registries. A structured questionnaire, facility survey, and observation checklists were used to assess the presence of TBIC plans at the health care facilities. Results The overall case notification rate of smear-positive pulmonary tuberculosis was 5.3% among all 7696 TB suspected patients. The odds of being diagnosed with smear-positive TB were 24% more in males than in females (adj OR = 1.24, 95% CI: (1.22, 1.55). Moreover, in the study area, only 28% of the facilities have been practiced TB infection control and 71% of the facilities assigned a focal person for the TBIC plan. The implementation of environmental control measures in the facilities was ranged between 16–83%. N95 particulate respirators were found only in 14% of the facilities. Conclusion TB CNR in Dale district was low. Moreover, implementations of TBIC in Dale district health facilities were poor when the survey was done. Hence, urgent measures should be taken to reverse the burden of TB.
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Affiliation(s)
- Makka Adam Ali
- Department of Oncology, Faculty of Medicine, Lund University, Lund, Sweden
- Department of Cellular and Molecular Biology, Faculty of Sciences, Addis Ababa University Addis Ababa, Ethiopia
- Department of Microbiology, Faculty of Medicine, Yirgalem Hospital Medical College, Yirgalem, Ethiopia
| | - Ermias Sissay Balcha
- School of Medical Laboratory Science, College of Health Sciences, Hawassa University, Hawassa, Ethiopia
- * E-mail:
| | - Adugna Abdi Woldesemayat
- Department of Biotechnology, College of Biological and Chemical Engineering, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Lopisso Dessalegn Tirore
- Department of Microbiology, Faculty of Medicine, Yirgalem Hospital Medical College, Yirgalem, Ethiopia
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Valdebenito S, Bessis S, Annane D, Lorin de la Grandmaison G, Cramer–Bordé E, Prideaux B, Eugenin EA, Bomsel M. COVID-19 Lung Pathogenesis in SARS-CoV-2 Autopsy Cases. Front Immunol 2021; 12:735922. [PMID: 34671353 PMCID: PMC8521087 DOI: 10.3389/fimmu.2021.735922] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a major public health issue. COVID-19 is considered an airway/multi-systemic disease, and demise has been associated with an uncontrolled immune response and a cytokine storm in response to the virus. However, the lung pathology, immune response, and tissue damage associated with COVID-19 demise are poorly described and understood due to safety concerns. Using post-mortem lung tissues from uninfected and COVID-19 deadly cases as well as an unbiased combined analysis of histology, multi-viral and host markers staining, correlative microscopy, confocal, and image analysis, we identified three distinct phenotypes of COVID-19-induced lung damage. First, a COVID-19-induced hemorrhage characterized by minimal immune infiltration and large thrombus; Second, a COVID-19-induced immune infiltration with excessive immune cell infiltration but no hemorrhagic events. The third phenotype correspond to the combination of the two previous ones. We observed the loss of alveolar wall integrity, detachment of lung tissue pieces, fibroblast proliferation, and extensive fibrosis in all three phenotypes. Although lung tissues studied were from lethal COVID-19, a strong immune response was observed in all cases analyzed with significant B cell and poor T cell infiltrations, suggesting an exhausted or compromised immune cellular response in these patients. Overall, our data show that SARS-CoV-2-induced lung damage is highly heterogeneous. These individual differences need to be considered to understand the acute and long-term COVID-19 consequences.
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Affiliation(s)
- Silvana Valdebenito
- Department of Neuroscience, Cell Biology and Anatomy, University of Texas Medical Branch (UTMB), Galveston, TX, United States
| | - Simon Bessis
- Service des Maladies Infectieuses, Centre Hospitalier Universitaire Raymond Poincaré, AP-HP, Garches, France
| | - Djillali Annane
- Intensive Care Unit, Raymond Poincaré Hospital (AP-HP), Paris, France
- Simone Veil School of Medicine, Université of Versailles, Versailles, France
- University Paris Saclay, Garches, France
| | - Geoffroy Lorin de la Grandmaison
- Department of Forensic Medicine and Pathology, Versailles Saint-Quentin Université, AP-HP, Raymond Poincaré Hospital, Garches, France
| | | | - Brendan Prideaux
- Department of Neuroscience, Cell Biology and Anatomy, University of Texas Medical Branch (UTMB), Galveston, TX, United States
| | - Eliseo A. Eugenin
- Department of Neuroscience, Cell Biology and Anatomy, University of Texas Medical Branch (UTMB), Galveston, TX, United States
| | - Morgane Bomsel
- Laboratory of Mucosal Entry of HIV-1 and Mucosal Immunity, Department of Infection, Immunity, and Inflammation, Institute Cochin, CNRS UMR 8104, INSERM U1016, University of Paris, Paris, France
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Sharebiani H, Hajimiri S, Abbasnia S, Soleimanpour S, Hashem Asnaashari AM, Valizadeh N, Derakhshan M, Pilpa R, Firouzeh A, Ghazvini K, Amel Jamehdar S, Rezaee SA. Game theory applications in host-microbe interactions toward disease manifestation: Mycobacterium tuberculosis infection as an example. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:1324-1335. [PMID: 35096290 PMCID: PMC8769512 DOI: 10.22038/ijbms.2021.55471.12410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 07/11/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Game theory describes the interactions between two players and the pay-off from winning, losing, or compromising. In the present study, Mycobacterium tuberculosis (Mtb)-host interactions were used as an example for the application of game theory to describe and predict the different outcomes of Mtb-infection and introducing target molecules for use in protection or therapy. MATERIALS AND METHODS The gene expression for eight main markers (CCR1, CCR2, IDO, Tbet, TGFβ, iNOS, MMP3, MMP9) of host response and three Mtb virulence factors (Ag85B, CFP-10, ESAT-6) were assessed in broncho-alveolar lavage of TB+ and TB- patients. RESULTS The players' strategies in the "Nash equilibrium", showed that Ag85B is the main virulence factor for Mtb in active phase, and also the most immunogenic factor, if the host can respond by high expression of T-bet and iNOS toward a Th1 response. In this situation, Mtb can express high levels of ESAT-6 and CFP10 and change the game to the latency, in which host responses by medium expression of T-bet and iNOS and medium level of TGF-β and IDO. Consistently, the IDO expression was 134-times higher in TB+s than the TB-s,and the T-bet expression,~200-times higher in the TB-s than the TB+s. Furthermore, Mtb-Ag85B had a strong positive association with CCR2, T-bet and iNOS, but had a negative correlation with IDO. CONCLUSION Ag85B and maybe ESAT6 (without its suppressive C-terminal) should be considered for making subunit vaccines. And, preventing IDO formation in dendritic cells might be a novel target for immunotherapy of tuberculosis, to reduce the pressure of immune-suppression on Th1 responses.
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Affiliation(s)
- Hiva Sharebiani
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Hajimiri
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shadi Abbasnia
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran, Antimicrobial Resistance Research Center, Bu-Ali Research Institute, 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
| | | | - Narges Valizadeh
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Derakhshan
- 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
| | - Rezvan Pilpa
- 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
| | - Arezoo Firouzeh
- 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
| | - Kiarash Ghazvini
- 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
| | - Saeed Amel Jamehdar
- 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
| | - Seyed Abdolrahim Rezaee
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding author: Seyed Abdolrahim Rezaee. Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran.
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Namuganga AR, Chegou NN, Mayanja-Kizza H. Past and Present Approaches to Diagnosis of Active Pulmonary Tuberculosis. Front Med (Lausanne) 2021; 8:709793. [PMID: 34631731 PMCID: PMC8495065 DOI: 10.3389/fmed.2021.709793] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 08/17/2021] [Indexed: 12/15/2022] Open
Abstract
Tuberculosis disease continues to contribute to the mortality burden globally. Due to the several shortcomings of the available diagnostic methods, tuberculosis disease continues to spread. The difficulty to obtain sputum among the very ill patients and the children also affects the quick diagnosis of tuberculosis disease. These challenges warrant investigating different sample types that can provide results in a short time. Highlighted in this review are the approved pulmonary tuberculosis diagnostic methods and ongoing research to improve its diagnosis. We used the PRISMA guidelines for systematic reviews to search for studies that met the selection criteria for this review. In this review we found out that enormous biosignature research is ongoing to identify host biomarkers that can be used as predictors of active PTB disease. On top of this, more research was also being done to improve already existing diagnostic tests. Host markers required more optimization for use in different settings given their varying sensitivity and specificity in PTB endemic and non-endemic settings.
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Affiliation(s)
- Anna Ritah Namuganga
- Uganda–Case Western Research Collaboration-Mulago, Kampala, Uganda
- Joint Clinical Research Centre, Kampala, Uganda
- College of Health Sciences, Makerere University, Kampala, Uganda
| | - Novel N. Chegou
- DSI-NRF Centre of Excellence for Biomedical Tuberculosis Research, South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Harriet Mayanja-Kizza
- Uganda–Case Western Research Collaboration-Mulago, Kampala, Uganda
- College of Health Sciences, Makerere University, Kampala, Uganda
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Alvarez AH. Revisiting tuberculosis screening: An insight to complementary diagnosis and prospective molecular approaches for the recognition of the dormant TB infection in human and cattle hosts. Microbiol Res 2021; 252:126853. [PMID: 34536677 DOI: 10.1016/j.micres.2021.126853] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 12/17/2022]
Abstract
Tuberculosis (TB) is defined as a chronic infection in both human and cattle hosts and many subclinical cases remain undetected. After the pathogen is inhaled by a host, phagocyted bacilli can persist inside macrophages surviving intracellularly. Hosts develop granulomatous lesions in the lungs or lymph nodes, limiting infection. However, bacilli become persister cells. Immunological diagnosis of TB is performed basically by routine tuberculin skin test (TST), and in some cases, by ancillary interferon-gamma release assay (IGRA). The concept of human latent TB infection (LTBI) by M. tuberculosis is recognized in cohorts without symptoms by routine clinical diagnostic tests, and nowadays IGRA tests are used to confirm LTBI with either active or latent specific antigens of M. tuberculosis. On the other hand, dormant infection in cattle by M. bovis has not been described by TST or IGRA testing as complications occur by cross-reactive immune responses to homolog antigens of environmental mycobacteria or a false-negative test by anergic states of a wained bovine immunity, evidencing the need for deciphering more specific biomarkers by new-generation platforms of analysis for detection of M. bovis dormant infection. The study and description of bovine latent TB infection (boLTBI) would permit the recognition of hidden animal infection with an increase in the sensitivity of routine tests for an accurate estimation of infected dairy cattle. Evidence of immunological and experimental analysis of LTBI should be taken into account to improve the study and the description of the still neglected boLTBI.
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Affiliation(s)
- Angel H Alvarez
- Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco A.C. (CIATEJ), Consejo Nacional de Ciencia y Tecnología (CONACYT), Av. Normalistas 800 C.P. 44270, Guadalajara, Jalisco, Mexico.
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Fatima S, Kumari A, Agarwal M, Pahuja I, Yadav V, Dwivedi VP, Bhaskar A. Epigenetic code during mycobacterial infections: therapeutic implications for tuberculosis. FEBS J 2021; 289:4172-4191. [PMID: 34453865 DOI: 10.1111/febs.16170] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/23/2021] [Accepted: 08/26/2021] [Indexed: 12/21/2022]
Abstract
Epigenetics involves changing the gene function without any change in the sequence of the genes. In the case of tuberculosis (TB) infections, the bacilli, Mycobacterium tuberculosis (M.tb), uses epigenetics as a tool to protect itself from the host immune system. TB is a deadly disease-causing maximum death per year due to a single infectious agent. In the case of TB, there is an urgent need for novel host-directed therapies which can effectively target the survival and long-term persistence of the bacteria without developing drug resistance in the bacterial strains while also reducing the duration and toxicity associated with the mainstream anti-TB drugs. Recent studies have suggested that TB infection has a significant effect on the host epigenome thereby manipulating the host immune response in the favor of the pathogen. M.tb alters the activation status of key genes involved in the immune response against TB to promote its survival and subvert the antibacterial strategies of the host. These changes are reversible and can be exploited to design very efficient host-directed therapies to fight against TB. This review has been written with the purpose of discussing the role of epigenetic changes in TB pathogenesis and the therapeutic approaches involving epigenetics, which can be utilized for targeting the pathogen.
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Affiliation(s)
- Samreen Fatima
- 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
| | - Meetu Agarwal
- Department of Biosciences, Jamia Hamdard University, New Delhi, India
| | - Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Vinod Yadav
- Department of Microbiology, Central University of Haryana, Mahendragarh, 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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Halder SK, Elma F. In silico identification of novel chemical compounds with antituberculosis activity for the inhibition of InhA and EthR proteins from Mycobacterium tuberculosis. J Clin Tuberc Other Mycobact Dis 2021; 24:100246. [PMID: 34124395 PMCID: PMC8173314 DOI: 10.1016/j.jctube.2021.100246] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Tuberculosis (TB) continuously poses a major public health concern around the globe, with a mounting death toll of approximately 1.4 million in 2019. Reduced bioavailability, elevated toxicity, increased side effects, and resistance of multiple first-line and second-line TB medications, including isoniazid, ethionamide necessitate studies of new drugs. The method of computational biology and bioinformatics approach allows virtual screening of a large number of drugs, reduces growing side effects of medications, and predicts potential drug resistance over time. In this study, we have analyzed fifty small molecules with antituberculosis properties using in silico approach including molecular docking, drug-likeness assessment, ADMET (absorption, distribution, metabolism, excretion, toxicity) profile evaluation, P450 site of metabolism prediction, and molecular dynamics simulation. Among those fifty compounds, 3-[3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl]-N-(2-methylphenyl) piperidine-1-carboxamide (C22) and 5-(4-Ethyl-phenyl)-2-(1H-tetrazol-5-ylmethyl)-2H-tetrazole (C29) were found to pass the two-step molecular docking, P450 site of metabolism prediction and pharmacokinetics analysis successfully. Their binding stability for target proteins has been evaluated through root mean square deviation and root mean square fluctuation, Radius of gyration analysis from 10 ns Molecular Dynamics Simulation (MDS). Our identified drugs (C22 and C29) performed better than the control drugs (Isoniazid, Ethionamide) regarding binding affinity and molecular stability with the regulatory proteins (InhA, EthR) of Mycobacterium tuberculosis. The study proposed these compounds as effective therapeutic agents for Tuberculosis drug discovery, but further in vitro and in vivo testing are needed to substantiate their potential as novel drugs and modes of action.
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Affiliation(s)
- Sajal Kumar Halder
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
- Research assistant at Padma Bioresearch, Dhaka, Bangladesh
| | - Fatiha Elma
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
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CCL1 and IL-2Ra differentiate Tuberculosis disease from latent infection Irrespective of HIV infection in low TB burden countries. J Infect 2021; 83:433-443. [PMID: 34333033 DOI: 10.1016/j.jinf.2021.07.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 01/06/2023]
Abstract
OBJECTIVES To evaluate the performance of selected host immunological biomarkers in differentiating tuberculosis (TB) disease from latent TB infection (LTBI) in HIV uninfected and infected individuals enrolled in TB low-burden countries. DESIGN Participants with TB disease (N = 85) and LTBI (N = 150) were recruited from prospective cohorts at hospitals in Norway and Denmark. Plasma concentrations of 54 host markers were assessed by Luminex multiplex immunoassays. Using receiver operator characteristic curves and general discriminant analysis, we determined the abilities of individual and combined biomarkers to discriminate between TB disease and LTBI including when patients were stratified according to HIV infection status. RESULTS Regardless of the groups compared, CCL1 and IL-2Ra were the most accurate single biomarkers in differentiating TB disease from LTBI. Regardless of HIV status, a 4-marker signature (CCL1+RANTES+CRP+MIP-1α) derived from a training set (n = 155) differentiated TB disease from LTBI in the test set (n = 67) with a sensitivity of 56.0% (95% CI, 34.9-75.6) and a specificity of 85.7% (95% CI, 71.5-94.6). A 5-marker signature derived from the HIV uninfected group (CCL1+RANTES+MIP-1α+procalcitonin+IP-10) performed in HIV-infected individuals with a sensitivity of 75.0% and a specificity of 96.7% after leave-one-out cross validation. A 2-marker signature (CCL1+TNF-α) identified in HIV-infected persons performed in HIV-uninfected with a sensitivity and specificity of 66.7% and 100% respectively in the test set. CONCLUSIONS Plasma CCL1 and IL-2Ra have potential as biomarkers for differentiating TB disease from LTBI in low TB burden settings unaffected by HIV infection. Combinations between these and other biomarkers in bio-signatures for global use warrant further exploration.
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Liu M, Wang Z, Ren S, Zhao H. Exosomes derived from mycobacterium tuberculosis-infected MSCs induce a pro-inflammatory response of macrophages. Aging (Albany NY) 2021; 13:11595-11609. [PMID: 33872217 PMCID: PMC8109131 DOI: 10.18632/aging.202854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/04/2021] [Indexed: 01/08/2023]
Abstract
Tuberculosis (TB) is a common infectious disease caused by Mycobacterium tuberculosis (M.tb), and macrophages serve as the primary natural host of M.tb. Mesenchymal stem cells (MSCs)-derived exosomes play an essential role in inflammatory responses. This study aimed to determine the role of exosomes derived from M.tb-infected MSCs (Exo-MSCs-M.tb) on macrophages in vitro and in vivo and the underlying mechanisms. Here, we demonstrated that M.tb infection promoted the production of Exo-MSCs-M.tb, but did not influence MSCs proliferation. Exo-MSCs-M.tb were taken up by macrophages and then induced the pro-inflammatory response of macrophages through elevating the production of TNF-α, RANTES, and iNOS. Also, pro-inflammatory response induced by Exo-MSCs-M.tb displayed a time-dependent pattern in macrophages, in which the highest level of inflammatory response was observed at 72 hours post-infection of MSCs. In addition, the effect of Exo-MSCs-M.tb was mediated through TLR2/4 and MyD88 signaling pathways. Furthermore, Exo-MSCs-M.tb could induce the pro-inflammatory response in mice in vivo, and exosomes isolated from Exo-MSCs-M.tb-treated mice could also promote the pro-inflammatory response. Taken together, these results indicate that Exo-MSCs-M.tb induced the pro-inflammatory response of macrophages through TLRs signaling. This study provides new insight into the potential of MSCs-derived exosomes for the treatment of TB.
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Affiliation(s)
- Min Liu
- Jinan People' s Hospital Affiliated to Shandong First Medical University, Laiwu, Shandong Province, China
| | - Zaiguo Wang
- Department of Critical Care Medicine, Penglai Hospital of Traditional Chinese Medicine, Penglai, Shandong Province, China
| | - Shaolei Ren
- Penglai Hospital of Traditional Chinese Medicine, Penglai, Shandong Province, China
| | - Hongli Zhao
- Department of Senile Diseases, Dongying City Shengli Hospital, Dongying, Shandong Province, China
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Abstract
Tuberculosis (TB) remains an infectious disease of global significance and a
leading cause of death in low- and middle-income countries. Significant effort
has been directed towards understanding Mycobacterium
tuberculosis genomics, virulence, and pathophysiology within the
framework of Koch postulates. More recently, the advent of “-omics” approaches
has broadened our appreciation of how “commensal” microbes have coevolved with
their host and have a central role in shaping health and susceptibility to
disease. It is now clear that there is a diverse repertoire of interactions
between the microbiota and host immune responses that can either sustain or
disrupt homeostasis. In the context of the global efforts to combatting TB, such
findings and knowledge have raised important questions: Does microbiome
composition indicate or determine susceptibility or resistance to
M. tuberculosis infection? Is the
development of active disease or latent infection upon M.
tuberculosis exposure influenced by the microbiome? Does
microbiome composition influence TB therapy outcome and risk of reinfection with
M. tuberculosis? Can the microbiome be
actively managed to reduce risk of M.
tuberculosis infection or recurrence of TB? Here, we
explore these questions with a particular focus on microbiome-immune
interactions that may affect TB susceptibility, manifestation and progression,
the long-term implications of anti-TB therapy, as well as the potential of the
host microbiome as target for clinical manipulation.
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Affiliation(s)
- Giorgia Mori
- The University of Queensland Diamantina Institute, Faculty
of Medicine, The University of Queensland, Brisbane, Australia
| | - Mark Morrison
- The University of Queensland Diamantina Institute, Faculty
of Medicine, The University of Queensland, Brisbane, Australia
| | - Antje Blumenthal
- The University of Queensland Diamantina Institute, Faculty
of Medicine, The University of Queensland, Brisbane, Australia
- * E-mail:
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40
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Mirzaei R, Babakhani S, Ajorloo P, Ahmadi RH, Hosseini-Fard SR, Keyvani H, Ahmadyousefi Y, Teimoori A, Zamani F, Karampoor S, Yousefimashouf R. The emerging role of exosomal miRNAs as a diagnostic and therapeutic biomarker in Mycobacterium tuberculosis infection. Mol Med 2021; 27:34. [PMID: 33794771 PMCID: PMC8017856 DOI: 10.1186/s10020-021-00296-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 03/24/2021] [Indexed: 12/14/2022] Open
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis (Mtb), has been the world's driving fatal bacterial contagious disease globally. It continues a public health emergency, and around one-third of the global community has been affected by latent TB infection (LTBI). This is mostly due to the difficulty in diagnosing and treating patients with TB and LTBI. Exosomes are nanovesicles (40-100 nm) released from different cell types, containing proteins, lipids, mRNA, and miRNA, and they allow the transfer of one's cargo to other cells. The functional and diagnostic potential of exosomal miRNAs has been demonstrated in bacterial infections, including TB. Besides, it has been recognized that cells infected by intracellular pathogens such as Mtb can be secreting an exosome, which is implicated in the infection's fate. Exosomes, therefore, open a unique viewpoint on the investigative process of TB pathogenicity. This study explores the possible function of exosomal miRNAs as a diagnostic biomarker. Moreover, we include the latest data on the pathogenic and therapeutic role of exosomal miRNAs in TB.
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Affiliation(s)
- Rasoul Mirzaei
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Venom and Biotherapeutics Molecules Lab, Medical Biotechnology Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Sajad Babakhani
- Department of Microbiology, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Parisa Ajorloo
- Department of Biology, Sciences and Research Branch, Islamic Azad University, Tehran, Iran
| | - Razieh Heidari Ahmadi
- Department of Genetics, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences Islamic Azad University, Tehran, Iran
| | - Seyed Reza Hosseini-Fard
- Department of Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Keyvani
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Yaghoub Ahmadyousefi
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran.,Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ali Teimoori
- Department of Virology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Farhad Zamani
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Sajad Karampoor
- Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran. .,Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Rasoul Yousefimashouf
- Department of Microbiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
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Perumal P, Abdullatif MB, Garlant HN, Honeyborne I, Lipman M, McHugh TD, Southern J, Breen R, Santis G, Ellappan K, Kumar SV, Belgode H, Abubakar I, Sinha S, Vasan SS, Joseph N, Kempsell KE. Validation of Differentially Expressed Immune Biomarkers in Latent and Active Tuberculosis by Real-Time PCR. Front Immunol 2021; 11:612564. [PMID: 33841389 PMCID: PMC8029985 DOI: 10.3389/fimmu.2020.612564] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/23/2020] [Indexed: 12/18/2022] Open
Abstract
Tuberculosis (TB) remains a major global threat and diagnosis of active TB ((ATB) both extra-pulmonary (EPTB), pulmonary (PTB)) and latent TB (LTBI) infection remains challenging, particularly in high-burden countries which still rely heavily on conventional methods. Although molecular diagnostic methods are available, e.g., Cepheid GeneXpert, they are not universally available in all high TB burden countries. There is intense focus on immune biomarkers for use in TB diagnosis, which could provide alternative low-cost, rapid diagnostic solutions. In our previous gene expression studies, we identified peripheral blood leukocyte (PBL) mRNA biomarkers in a non-human primate TB aerosol-challenge model. Here, we describe a study to further validate select mRNA biomarkers from this prior study in new cohorts of patients and controls, as a prerequisite for further development. Whole blood mRNA was purified from ATB patients recruited in the UK and India, LTBI and two groups of controls from the UK (i) a low TB incidence region (CNTRLA) and (ii) individuals variably-domiciled in the UK and Asia ((CNTRLB), the latter TB high incidence regions). Seventy-two mRNA biomarker gene targets were analyzed by qPCR using the Roche Lightcycler 480 qPCR platform and data analyzed using GeneSpring™ 14.9 bioinformatics software. Differential expression of fifty-three biomarkers was confirmed between MTB infected, LTBI groups and controls, seventeen of which were significant using analysis of variance (ANOVA): CALCOCO2, CD52, GBP1, GBP2, GBP5, HLA-B, IFIT3, IFITM3, IRF1, LOC400759 (GBP1P1), NCF1C, PF4V1, SAMD9L, S100A11, TAF10, TAPBP, and TRIM25. These were analyzed using receiver operating characteristic (ROC) curve analysis. Single biomarkers and biomarker combinations were further assessed using simple arithmetic algorithms. Minimal combination biomarker panels were delineated for primary diagnosis of ATB (both PTB and EPTB), LTBI and identifying LTBI individuals at high risk of progression which showed good performance characteristics. These were assessed for suitability for progression against the standards for new TB diagnostic tests delineated in the published World Health Organization (WHO) technology product profiles (TPPs).
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Affiliation(s)
- Prem Perumal
- Public Health England, Porton Down, Salisbury, Wiltshire, United Kingdom
| | | | - Harriet N. Garlant
- Public Health England, Porton Down, Salisbury, Wiltshire, United Kingdom
| | - Isobella Honeyborne
- Centre for Clinical Microbiology, University College London, Royal Free Campus, London, United Kingdom
| | - Marc Lipman
- UCL Respiratory, University College London, Royal Free Campus, London, United Kingdom
| | - Timothy D. McHugh
- Centre for Clinical Microbiology, University College London, Royal Free Campus, London, United Kingdom
| | - Jo Southern
- Institute for Global Health, University College London, London, United Kingdom
| | - Ronan Breen
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - George Santis
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - Kalaiarasan Ellappan
- Jawaharlal Institute of Postgraduate Medical Education and Research, Dhanvantri Nagar, Gorimedu, Puducherry, India
| | - Saka Vinod Kumar
- Jawaharlal Institute of Postgraduate Medical Education and Research, Dhanvantri Nagar, Gorimedu, Puducherry, India
| | - Harish Belgode
- Jawaharlal Institute of Postgraduate Medical Education and Research, Dhanvantri Nagar, Gorimedu, Puducherry, India
| | - Ibrahim Abubakar
- Institute for Global Health, University College London, London, United Kingdom
| | - Sanjeev Sinha
- Department of Medicine, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
| | - Seshadri S. Vasan
- Public Health England, Porton Down, Salisbury, Wiltshire, United Kingdom
- Department of Health Sciences, University of York, York, United Kingdom
| | - Noyal Joseph
- Jawaharlal Institute of Postgraduate Medical Education and Research, Dhanvantri Nagar, Gorimedu, Puducherry, India
| | - Karen E. Kempsell
- Public Health England, Porton Down, Salisbury, Wiltshire, United Kingdom
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Keikha M, Karbalaei M. Overview on coinfection of HTLV-1 and tuberculosis: Mini-review. J Clin Tuberc Other Mycobact Dis 2021; 23:100224. [PMID: 33681477 PMCID: PMC7918677 DOI: 10.1016/j.jctube.2021.100224] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-1) is one of the human retroviruses that causes various complications in humans, including lymphoma. Mycobacterium tuberculosis (Mtb), on the other hand, is a causative agent of tuberculosis (TB), a deadly infectious disease. According to the literature, patients infected with HTLV-1 are prone to TB due to lack of regulation in the immune system. In the present study, we discussed the association between previous HTLV-1 infection and TB susceptibility. We also reviewed the histopathological findings of respiratory involvement following HTLV-1 infection and the management of this infection.
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Affiliation(s)
- Masoud Keikha
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Karbalaei
- Department of Microbiology and Virology, School of Medicine, Jiroft University of Medical Sciences, Jiroft, Iran
- Corresponding author.
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43
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Kanabalan RD, Lee LJ, Lee TY, Chong PP, Hassan L, Ismail R, Chin VK. Human tuberculosis and Mycobacterium tuberculosis complex: A review on genetic diversity, pathogenesis and omics approaches in host biomarkers discovery. Microbiol Res 2021; 246:126674. [PMID: 33549960 DOI: 10.1016/j.micres.2020.126674] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 12/09/2020] [Accepted: 12/16/2020] [Indexed: 12/16/2022]
Abstract
Mycobacterium tuberculosis complex (MTBC) refers to a group of mycobacteria encompassing nine members of closely related species that causes tuberculosis in animals and humans. Among the nine members, Mycobacterium tuberculosis (M. tuberculosis) remains the main causative agent for human tuberculosis that results in high mortality and morbidity globally. In general, MTBC species are low in diversity but exhibit distinctive biological differences and phenotypes among different MTBC lineages. MTBC species are likely to have evolved from a common ancestor through insertions/deletions processes resulting in species speciation with different degrees of pathogenicity. The pathogenesis of human tuberculosis is complex and remains poorly understood. It involves multi-interactions or evolutionary co-options between host factors and bacterial determinants for survival of the MTBC. Granuloma formation as a protection or survival mechanism in hosts by MTBC remains controversial. Additionally, MTBC species are capable of modulating host immune response and have adopted several mechanisms to evade from host immune attack in order to survive in humans. On the other hand, current diagnostic tools for human tuberculosis are inadequate and have several shortcomings. Numerous studies have suggested the potential of host biomarkers in early diagnosis of tuberculosis, in disease differentiation and in treatment monitoring. "Multi-omics" approaches provide holistic views to dissect the association of MTBC species with humans and offer great advantages in host biomarkers discovery. Thus, in this review, we seek to understand how the genetic variations in MTBC lead to species speciation with different pathogenicity. Furthermore, we also discuss how the host and bacterial players contribute to the pathogenesis of human tuberculosis. Lastly, we provide an overview of the journey of "omics" approaches in host biomarkers discovery in human tuberculosis and provide some interesting insights on the challenges and directions of "omics" approaches in host biomarkers innovation and clinical implementation.
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Affiliation(s)
- Renuga Devi Kanabalan
- Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, Bandar Tun Razak, Kuala Lumpur, 56000, Malaysia
| | - Le Jie Lee
- Prima Nexus Sdn. Bhd., Menara CIMB, Jalan Stesen Sentral 2, Kuala Lumpur, Malaysia
| | - Tze Yan Lee
- Perdana University School of Liberal Arts, Science and Technology (PUScLST), Suite 9.2, 9th Floor, Wisma Chase Perdana, Changkat Semantan Damansara Heights, Kuala Lumpur, 50490, Malaysia
| | - Pei Pei Chong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, Subang Jaya, 47500, Malaysia
| | - Latiffah Hassan
- Department of Veterinary Laboratory Diagnostics, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang, Selangor, 43400 UPM, Malaysia
| | - Rosnah Ismail
- Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latiff, Bandar Tun Razak, Kuala Lumpur, 56000, Malaysia.
| | - Voon Kin Chin
- Department of Medical Microbiology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, 43400 UPM, Malaysia; Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA, Puncak Alam Campus, Bandar Puncak Alam, Selangor, 42300, Malaysia.
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Kinsella RL, Zhu DX, Harrison GA, Mayer Bridwell AE, Prusa J, Chavez SM, Stallings CL. Perspectives and Advances in the Understanding of Tuberculosis. ANNUAL REVIEW OF PATHOLOGY 2021; 16:377-408. [PMID: 33497258 DOI: 10.1146/annurev-pathol-042120-032916] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), remains a leading cause of death due to infection in humans. To more effectively combat this pandemic, many aspects of TB control must be developed, including better point of care diagnostics, shorter and safer drug regimens, and a protective vaccine. To address all these areas of need, better understanding of the pathogen, host responses, and clinical manifestations of the disease is required. Recently, the application of cutting-edge technologies to the study of Mtb pathogenesis has resulted in significant advances in basic biology, vaccine development, and antibiotic discovery. This leaves us in an exciting era of Mtb research in which our understanding of this deadly infection is improving at a faster rate than ever, and renews hope in our fight to end TB. In this review, we reflect on what is known regarding Mtb pathogenesis, highlighting recent breakthroughs that will provide leverage for the next leaps forward in the field.
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Affiliation(s)
- Rachel L Kinsella
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Dennis X Zhu
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Gregory A Harrison
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Anne E Mayer Bridwell
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Jerome Prusa
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Sthefany M Chavez
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
| | - Christina L Stallings
- Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, Missouri 63110, USA;
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Gelaw Y, Getaneh Z, Melku M. Anemia as a risk factor for tuberculosis: a systematic review and meta-analysis. Environ Health Prev Med 2021; 26:13. [PMID: 33485299 PMCID: PMC7824931 DOI: 10.1186/s12199-020-00931-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 12/28/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Tuberculosis is a major public health problem caused by Mycobacterium tuberculosis, occurring predominantly in population with low socioeconomic status. It is the second most common cause of death from infectious diseases. Tuberculosis becomes a double burden among anemic patients. Anemia increases an individual's susceptibility to infectious diseases including tuberculosis by reducing the immunity level. Therefore, the purpose of this study was to determine whether anemia is a risk factor for tuberculosis. METHOD Relevant published articles were searched in electronic databases like PubMed, Google Scholar, EMBASE, and Cochrane Library using the following MeSH terms: risk factor, predictors, tuberculosis, TB, Anaemia, Anemia, hemoglobin, Hgb, and Hb. Articles written in the English, observational studies conducted on the incidence/prevalence of tuberculosis among anemic patients, or papers examined anemia as risk factors for tuberculosis were included. From those studies meeting eligibility criteria, the first author's name, publication year, study area, sample size and age of participants, study design, and effect measure of anemia for tuberculosis were extracted. The data were entered using Microsoft Excel and exported to Stata version 11 for analysis. The random-effects model was applied to estimate the pooled OR and HR, and 95% CI. The sources of heterogeneity were tested by Cochrane I-squared statistics. The publication bias was assessed using Egger's test statistics. RESULTS A total of 17 articles with a 215,294 study participants were included in the analysis. The odd of tuberculosis among anemic patients was 3.56 (95% CI 2.53-5.01) times higher than non-anemic patients. The cohort studies showed that the HR of tuberculosis was 2.01 (95% CI 1.70-2.37) times higher among anemic patients than non-anemic patients. The hazard of tuberculosis also increased with anemia severity (HR 1.37 (95% CI 0.92-2.05), 2.08 (95% CI 1.14-3.79), and 2.66 (95% CI 1.71-4.13) for mild, moderate, and severe anemia, respectively). CONCLUSION According to the current systematic review and meta-analysis, we can conclude that anemia was a risk factor for tuberculosis. Therefore, anemia screening, early diagnose, and treatment should be provoked in the community to reduce the burden of tuberculosis.
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Affiliation(s)
- Yemataw Gelaw
- Department of Hematology and Immunohematology, College of Medicine and Health Sciences, School Biomedical and Laboratory Sciences, University of Gondar, Gondar, Ethiopia
| | - Zegeye Getaneh
- Department of Hematology and Immunohematology, College of Medicine and Health Sciences, School Biomedical and Laboratory Sciences, University of Gondar, Gondar, Ethiopia
| | - Mulugeta Melku
- Department of Hematology and Immunohematology, College of Medicine and Health Sciences, School Biomedical and Laboratory Sciences, University of Gondar, Gondar, Ethiopia
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Narain A, Dubey RK, Verma AK, Srivastava A, Kant S. Potential Role of Proteasome Accessory Factor-C in Resistance against Second Line Drugs in Mycobacteria. J Lab Physicians 2021; 12:250-262. [PMID: 33390674 PMCID: PMC7773444 DOI: 10.1055/s-0040-1722552] [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: 11/03/2022] Open
Abstract
Objectives Mycobacterium tuberculosis (MTB), the causative agent of tuberculosis (TB), can survive inside the host granuloma courtesy the various extrinsic and intrinsic factors involved. Continuous use or misuse of the anti TB drugs over the years has led to the development of resistance in MTB against antibiotics. Drug-resistant TB in particular has been a menace since treating it requires exposing the patient to drugs for a prolonged period of time. Multidrug-resistant (MDR) and extensively drug resistant TB cases have increased over the years mostly due to the exposure of MTB to suboptimal levels of drug. Proteasomes provide MTB its pathogenicity and hence helps it to survive inside the host even in the presence of drugs. Materials and Methods The recombinantly expressed proteasome accessory factor-C (PafC) protein was purified via Ni-NTA affinity chromatography and overexpressed in the nonpathogenic strain of mycobacteria (Mycobacterium smegmatis) for the comparative analysis of minimum inhibitory concentrations of antimycobacterial drugs. The bacteria were subjected to various stress conditions. Secretory nature of PafC was analyzed by probing the purified protein against patient sera. Quantitative mRNA analysis of paf C, lex A, and rec A was performed to check for their level under fluoroquinolone (FQ) presence. The data were validated in clinical samples of pulmonary TB patients. Results pafC , that forms one part of paf operon, is involved in providing MTB its resistance against FQs. Through a series of experiments, we established the fact that PafC is upregulated in mycobacteria upon exposure to FQs and it leads to the increased intracellular survival of mycobacteria under the stresses generated by FQs. The study also refers to the correlation of pafC to deoxyribonucleic acid (DNA) damage repair enzymes lexA and recA at transcriptional level. The results obtained in vitro corroborated when the pulmonary TB patients' samples were subjected to the same molecular analysis. Statistical Analysis All experiments were conducted at least in triplicate. p -Value of <0.05 was considered to be statistically significant Conclusion PafC plays a significant role in providing resistance to mycobacteria against FQ class of drugs by increasing its intracellular survival through increased drug efflux and getting involved with DNA damage repair machinery.
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Affiliation(s)
- Apoorva Narain
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Rikesh K Dubey
- Department of Microbiology, Central Drug Research Institute (CSIR), Lucknow, Uttar Pradesh, India
| | - Ajay Kumar Verma
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Anand Srivastava
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Surya Kant
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
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Seedat F, James I, Loubser S, Waja Z, Mallal SA, Hoffmann C, Tiemessen CT, Chaisson RE, Martinson NA. Human leukocyte antigen associations with protection against tuberculosis infection and disease in human immunodeficiency virus-1 infected individuals, despite household tuberculosis exposure and immune suppression. Tuberculosis (Edinb) 2021; 126:102023. [PMID: 33249336 DOI: 10.1016/j.tube.2020.102023] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/04/2020] [Accepted: 11/15/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND To determine the association of human leukocyte antigen (HLA) alleles as correlates of risk for and protection against tuberculin skin test (TST) positivity and active TB disease amongst HIV-infected adults. METHODS Genomic DNA was extracted from 754 HIV-infected adults whole-blood. HLA-A, -B, -C and -DRB1 loci were genotyped by next generation sequencing methods. HLA alleles were analysed by the presence/absence of TST immune conversion and active TB disease and further stratified by exposure to a household TB contact, CD4+ T-cell count and, for active TB disease, TST-positivity. RESULTS HLA-A*29:11 and - B*45:01/07 were associated with TST-positivity, while HLA-A*24:02, -A*29:02 and -B*15:16 with TST-negativity. In participants with a household TB contact, HLA-A*66:01, -A*68:02 and -B*49:01 were associated with TST-negativity. For TB disease, HLA-B*41:01, -C*06:02, -DRB1*04:01 and -DRB1*15:01 were associated with susceptibility, while HLA-B*07:02 and -DRB1*11:01 were protective, even for CD4+ T-cell count <350 cells/mm3. For initial TST-positivity and subsequent TB disease, HLA-A*01:01 and -DRB1*11:01 conveyed protection including for those with CD4+ T-cell count <350 cells/mm3. CONCLUSION Several HLA alleles are noted as correlates of TB infection, risk and natural protection in HIV-infected individuals. HLA associations may enable risk stratification of those with HIV infection. Protective alleles may assist in future TB vaccine development.
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Affiliation(s)
- Faheem Seedat
- Department of Internal Medicine, Klerksdorp Tshepong Hospital Complex, Benji Oliphant Road, North West Province Department of Health, University of the Witwatersrand, South Africa.
| | - Ian James
- Institute for Immunology and Infectious Diseases, 90 South Street, Murdoch University, Western Australia, Australia
| | - Shayne Loubser
- Centre for HIV and STIs, National Institute for Communicable Diseases, National Health Laboratory Services, 1 Modderfontein Road and Faculty of Health Sciences, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, South Africa
| | - Ziyaad Waja
- Perinatal HIV Research Unit (PHRU), MRC Soweto Matlosana Collaborating Centre for HIV/AIDS and TB, Chris Hani Road, Chris Hani Baragwanath Academic Hospital, University of the Witwatersrand, South Africa
| | - Simon A Mallal
- Department of Pathology, Microbiology and Immunology, 2201, West End Avenue, Vanderbilt University, Nashville, TN, USA
| | - Christopher Hoffmann
- Johns Hopkins University Centre for TB Research, Charles Street, John Hopkins University, Baltimore, MD, USA
| | - Caroline T Tiemessen
- Centre for HIV and STIs, National Institute for Communicable Diseases, National Health Laboratory Services, 1 Modderfontein Road and Faculty of Health Sciences, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, South Africa
| | - Richard E Chaisson
- Johns Hopkins University Centre for TB Research, Charles Street, John Hopkins University, Baltimore, MD, USA
| | - Neil A Martinson
- Perinatal HIV Research Unit (PHRU), MRC Soweto Matlosana Collaborating Centre for HIV/AIDS and TB, Chris Hani Road, Chris Hani Baragwanath Academic Hospital, University of the Witwatersrand, South Africa
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Pitcher MJ, Bowness R, Dobson S, Eftimie R, Gillespie SH. Modelling the effects of environmental heterogeneity within the lung on the tuberculosis life-cycle. J Theor Biol 2020; 506:110381. [PMID: 32771534 PMCID: PMC7511696 DOI: 10.1016/j.jtbi.2020.110381] [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: 12/12/2019] [Revised: 05/24/2020] [Accepted: 06/15/2020] [Indexed: 11/28/2022]
Abstract
In silico model of TB in the lung incorporating environmental heterogeneity. Preferential conditions at the apex of lung localise post-primary disease there. Analysis of the key influences driving disease at different regions of the lung.
Progress in shortening the duration of tuberculosis (TB) treatment is hampered by the lack of a predictive model that accurately reflects the diverse environment within the lung. This is important as TB has been shown to produce distinct localisations to different areas of the lung during different disease stages, with the environmental heterogeneity within the lung of factors such as air ventilation, blood perfusion and oxygen tension believed to contribute to the apical localisation witnessed during the post-primary form of the disease. Building upon our previous model of environmental lung heterogeneity, we present a networked metapopulation model that simulates TB across the whole lung, incorporating these notions of environmental heterogeneity across the whole TB life-cycle to show how different stages of the disease are influenced by different environmental and immunological factors. The alveolar tissue in the lung is divided into distinct patches, with each patch representing a portion of the total tissue and containing environmental attributes that reflect the internal conditions at that location. We include populations of bacteria and immune cells in various states, and events are included which determine how the members of the model interact with each other and the environment. By allowing some of these events to be dependent on environmental attributes, we create a set of heterogeneous dynamics, whereby the location of the tissue within the lung determines the disease pathological events that occur there. Our results show that the environmental heterogeneity within the lung is a plausible driving force behind the apical localisation during post-primary disease. After initial infection, bacterial levels will grow in the initial infection location at the base of the lung until an adaptive immune response is initiated. During this period, bacteria are able to disseminate and create new lesions throughout the lung. During the latent stage, the lesions that are situated towards the apex are the largest in size, and once a post-primary immune-suppressing event occurs, it is the uppermost lesions that reach the highest levels of bacterial proliferation. Our sensitivity analysis also shows that it is the differential in blood perfusion, causing reduced immune activity towards the apex, which has the biggest influence of disease outputs.
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Affiliation(s)
- Michael J Pitcher
- School of Immunology and Microbial Sciences, King's College London, United Kingdom; School of Computer Science, University of St Andrews, United Kingdom.
| | - Ruth Bowness
- School of Medicine, University of St Andrews, United Kingdom
| | - Simon Dobson
- School of Computer Science, University of St Andrews, United Kingdom
| | - Raluca Eftimie
- School of Science and Engineering, University of Dundee, United Kingdom
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Mehta P. MicroRNA research: The new dawn of Tuberculosis. Indian J Tuberc 2020; 68:321-329. [PMID: 34099196 DOI: 10.1016/j.ijtb.2020.11.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/20/2020] [Indexed: 11/17/2022]
Abstract
Tuberculosis (TB) is global, one of the most fatal communicable diseases and leading cause of worldwide mortality. One-third of the global population is latently affected by Mtb (Mycobacterium tuberculosis) due to its ability to circumvent the host's immune response for its own survival. MicroRNAs (miRNAs) are small, non-coding RNAs which function at the post-transcriptional level and are critical in fine-tuning immune responses regulating the repertoire of genes expressed in immune cells. Recent studies have established their crucial role against TB. Furthermore, the differential expression pattern of miRNAs has revealed the potential role of miRNAs as biomarkers which could be utilized to differentiate between healthy controls and active TB patients or between active and latent TB. The recent advancements made in the field of miRNA regulation of the host responses against TB, as well as the potential of miRNAs as biomarkers for TB diagnosis are discussed here in this review.
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Affiliation(s)
- Priyanka Mehta
- Immunobiology Laboratory, Department of Zoology, University of Delhi, Delhi, 110 007, India.
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Mayito J, Meya DB, Rhein J, Sekaggya-Wiltshire C. Utility of the monocyte to lymphocyte ratio in diagnosing latent tuberculosis among HIV-infected individuals with a negative tuberculosis symptom screen. PLoS One 2020; 15:e0241786. [PMID: 33166312 PMCID: PMC7652277 DOI: 10.1371/journal.pone.0241786] [Citation(s) in RCA: 2] [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: 08/03/2020] [Accepted: 10/20/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Latent Tuberculosis Infection (LTBI) remains a major driver of the TB epidemic, and individuals with Human Immuno-deficiency Virus (HIV) are particularly at a heightened risk of developing LTBI. However, LTBI screening among HIV-infected individuals in resource limited setting is largely based on a negative symptom screen, which has low specificity. METHODS In a cross sectional diagnostic study, 115 HIV infected participants with a negative symptom screen will be consented and enrolled. They will be requested to donate 5 ml of blood for complete blood count (CBC) and interferon gamma release assay (IGRA) testing. In a nested prospective study, the 115 participants will be initiated on Tuberculosis Preventive Therapy and the CBC testing repeated after 3 months. In the analysis of study finding, the monocyte to lymphocyte ratio (MLR) will be derived from the dividend of the absolute monocyte and lymphocyte counts. The optimal MLR positivity cut-off for elevated or normal MLR will be the highest value of Youden's index, J (sensitivity + specificity-1). The MLR will be cross tabulated with the IGRA status to determine the sensitivity, specificity, negative and positive predictive values of the MLR. The area under the receiver operating characteristic (ROC) curve will be determined to give the overall diagnostic accuracy of MLR. The baseline and 3 month CBC will be used to determine the change in MLR, and a random effect logistic regression will be used to determine factors associated with the change in the MLR. DISCUSSION If positive results are realized from this study, the MLR could become an inexpensive alternative biomarker with potential to improve the specificity of the negative symptom screen in identifying individuals that should be targeted for TB preventive therapy.
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Affiliation(s)
- Jonathan Mayito
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - David B. Meya
- Infectious Diseases Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - Joshua Rhein
- Division of Infectious Diseases and International Medicine, University of Minnesota, USA Department of Research, Minneapolis, Minnesota, United States of America
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