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Ahmed M, Farris E, Swanson RV, Das S, Yang Y, Martin T, Khader SA. Saponin TQL1055 adjuvant-containing vaccine confers protection upon Mycobacterium tuberculosis challenge in mice. Hum Vaccin Immunother 2024; 20:2302070. [PMID: 38190806 PMCID: PMC10793695 DOI: 10.1080/21645515.2024.2302070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/02/2024] [Indexed: 01/10/2024] Open
Abstract
Tuberculosis (TB), caused by the intracellular pathogen Mycobacterium tuberculosis (Mtb), affects the lungs of infected individuals (pulmonary TB) but can also affect other sites (extrapulmonary TB). The only licensed vaccine Mycobacterium bovis bacillus Calmette-Guerin (BCG) protects infants and young children but exhibits variable efficacy in protecting against adult pulmonary TB. Poor compliance and prolonged treatment regimens associated with the use of chemotherapy has contributed to the development of multidrug-resistant (MDR) and extensively drug-resistant (XDR) Mtb. Thus, there is an urgent need for the design of more effective vaccines against TB. The development of safe and novel adjuvants for human use is critical. In this study, we demonstrate that saponin-based TQL1055 adjuvant when formulated with a TLR4 agonist (PHAD) and Mtb specific immunodominant antigens (ESAT-6 and Ag85B) and delivered intramuscularly in mice, the SA-TB vaccine induced potent lung immune responses. Additionally, the SA-TB vaccine conferred significant protection against Mtb infection, comparable with levels induced by BCG. These findings support the development of a SA-TB vaccine comprising TQL1055, as a novel, safe and effective TB vaccine for potential use in humans.
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Affiliation(s)
- Mushtaq Ahmed
- Department of Microbiology, University of Chicago, Chicago, IL, USA
- Department of Molecular Microbiology, Washington University in St. Louis, St. Louis, MO, USA
| | - Eric Farris
- Adjuvance Technologies Inc, Lincoln, NE, USA
| | - Rosemary V. Swanson
- Department of Molecular Microbiology, Washington University in St. Louis, St. Louis, MO, USA
| | - Shibali Das
- Department of Molecular Microbiology, Washington University in St. Louis, St. Louis, MO, USA
| | - Yan Yang
- Department of Molecular Microbiology, Washington University in St. Louis, St. Louis, MO, USA
| | | | - Shabaana A. Khader
- Department of Microbiology, University of Chicago, Chicago, IL, USA
- Department of Molecular Microbiology, Washington University in St. Louis, St. Louis, MO, USA
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Painter H, Willcocks S, Zelmer A, Reljic R, Tanner R, Fletcher H. Demonstrating the utility of the ex vivo murine mycobacterial growth inhibition assay (MGIA) for high-throughput screening of tuberculosis vaccine candidates against multiple Mycobacterium tuberculosis complex strains. Tuberculosis (Edinb) 2024; 146:102494. [PMID: 38367368 DOI: 10.1016/j.tube.2024.102494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/05/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
Human tuberculosis (TB) is caused by various members of the Mycobacterium tuberculosis (Mtb) complex. Differences in host response to infection have been reported, illustrative of a need to evaluate efficacy of novel vaccine candidates against multiple strains in preclinical studies. We previously showed that the murine lung and spleen direct mycobacterial growth inhibition assay (MGIA) can be used to assess control of ex vivo mycobacterial growth by host cells. The number of mice required for the assay is significantly lower than in vivo studies, facilitating testing of multiple strains and/or the incorporation of other cellular analyses. Here, we provide proof-of-concept that the murine MGIA can be applied to evaluate vaccine-induced protection against multiple Mtb clinical isolates. Using an ancient and modern strain of the Mtb complex, we demonstrate that ex vivo bacillus Calmette-Guérin (BCG)-mediated mycobacterial growth inhibition recapitulates protection observed in the lung and spleen following in vivo infection of mice. Further, we provide the first report of cellular and transcriptional correlates of BCG-induced growth inhibition in the lung MGIA. The ex vivo MGIA represents a promising platform to gain early insight into vaccine performance against a collection of Mtb strains and improve preclinical evaluation of TB vaccine candidates.
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Affiliation(s)
- Hannah Painter
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK.
| | - Sam Willcocks
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Andrea Zelmer
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
| | - Rajko Reljic
- Institute of Infection and Immunity, St George's University of London, Cranmer Terrrace, London, SW17 0RE, UK
| | - Rachel Tanner
- Department of Biology, University of Oxford, Old Road Campus Research Building, Roosevelt Drive, Oxford, OX3 7DQ, UK
| | - Helen Fletcher
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London, WC1E 7HT, UK
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Xu JC, Wu K, Ma RQ, Li JH, Tao J, Hu Z, Fan XY. Establishment of an in vitro model of monocyte-like THP-1 cells for trained immunity induced by bacillus Calmette-Guérin. BMC Microbiol 2024; 24:130. [PMID: 38643095 PMCID: PMC11031977 DOI: 10.1186/s12866-024-03191-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/10/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND Mycobacteria bloodstream infections are common in immunocompromised people and usually have disastrous consequences. As the primary phagocytes in the bloodstream, monocytes and neutrophils play critical roles in the fight against bloodstream mycobacteria infections. In contrast to macrophages, the responses of monocytes infected with the mycobacteria have been less investigated. RESULTS In this study, we first established a protocol for infection of non-adherent monocyte-like THP-1 cells (i.e. without the differentiation induced by phorbol 12-myristate 13-acetate (PMA) by bacillus Calmette-Guérin (BCG). Via the protocol, we were then capable of exploring the global transcriptomic profiles of non-adherent THP-1 cells infected with BCG, and found that NF-κB, MAPK and PI3K-Akt signaling pathways were enhanced, as well as some inflammatory chemokine/cytokine genes (e.g. CCL4, CXCL10, TNF and IL-1β) were up-regulated. Surprisingly, the Akt-HIF-mTOR signaling pathway was also activated, which induces trained immunity. In this in vitro infection model, increased cytokine responses to lipopolysaccharides (LPS) restimulation, higher cell viability, and decreased Candida albicans loads were observed. CONCLUSIONS We have first characterized the transcriptomic profiles of BCG-infected non-adherent THP-1 cells, and first developed a trained immunity in vitro model of the cells.
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Affiliation(s)
- Jin-Chuan Xu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
| | - Kang Wu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
- Shanghai R & S Biotech. Co., Ltd, Shanghai, China
- Zhejiang Free Trade Area R & S Biomedical Technology Co., Ltd, Zhoushan, Zhejiang, China
| | - Rui-Qing Ma
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
| | - Jian-Hui Li
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
| | - Jie Tao
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
| | - Zhidong Hu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China
| | - Xiao-Yong Fan
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai, China.
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Onnainty R, Marini MR, Gravisaco MJ, García EA, Aagaard C, Canal A, Granero G, Bigi F, Blanco FC. Live attenuated Mycobacterium bovis strains combined with the encapsulated H65 antigen as a vaccine strategy against bovine tuberculosis in a mouse model. Vet Microbiol 2024; 291:110007. [PMID: 38335676 DOI: 10.1016/j.vetmic.2024.110007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024]
Abstract
Mycobacterium bovis is an etiological agent of bovine tuberculosis (bTB) that also infects other mammals, including humans. The lack of an effective vaccine for the control of bTB highlights the need for developing new vaccines. In this study, we developed and evaluated an M. bovis strain deleted in the virulence genes phoP, esxA and esxB as a vaccine candidate against bTB in BALBc mice. The evaluated strains were the new live vaccine and BCG, alone or in combination with ncH65vD. The immunogen ncH65vD is a fusion protein H65, encapsulated together with vitamin D3, within the oily body of a nanocapsule composed of an antigen-loading polymeric shell. All vaccines conferred protection against the M. bovis challenge. However, no significant differences were detected among the vaccinated groups regarding bacterial loads in lungs and spleen. Mice vaccinated with the mutant strain plus ncH65vD showed negative Ziehl Neelsen staining of mycobacteria in their lungs, which suggests better control of bacteria replication according to this protection parameter. Consistently, this vaccination scheme showed the highest proportion of CD4 + T cells expressing the protection markers PD-1 and CXCR3 among the vaccinated groups. Correlation studies showed that PD-1 and CXCR3 expression levels in lung-resident CD4 T cells negatively correlated with the number of colony forming units of M. bovis in the lungs of mice. Therefore, the results suggest a link between the presence of PD-1 + and CXCR3 + cells at the site of the immune response against mycobacteria and the level of mycobacterial loads.
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Affiliation(s)
- Renée Onnainty
- Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA) -CONICET, Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina
| | - María Rocío Marini
- Laboratorio de Anatomía Patológica-Facultad de Ciencias Veterinarias-Universidad Nacional del Litoral-Esperanza-Santa Fe, Argentina
| | - María José Gravisaco
- Instituto de Agrobiotecnología y Biología Molecular, (IABIMO) INTA-CONICET, Argentina; Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria. N. Repetto and De los Reseros, Hurlingham 1686 Buenos Aires, Argentina
| | - Elizabeth Andrea García
- Instituto de Agrobiotecnología y Biología Molecular, (IABIMO) INTA-CONICET, Argentina; Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria. N. Repetto and De los Reseros, Hurlingham 1686 Buenos Aires, Argentina
| | - Clauss Aagaard
- Department of Infectious Disease Immunology, Statens Serum Institut, DK-2300 Copenhagen, Denmark
| | - Ana Canal
- Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA) -CONICET, Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina
| | - Gladys Granero
- Laboratorio de Anatomía Patológica-Facultad de Ciencias Veterinarias-Universidad Nacional del Litoral-Esperanza-Santa Fe, Argentina
| | - Fabiana Bigi
- Instituto de Agrobiotecnología y Biología Molecular, (IABIMO) INTA-CONICET, Argentina; Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria. N. Repetto and De los Reseros, Hurlingham 1686 Buenos Aires, Argentina.
| | - Federico Carlos Blanco
- Instituto de Agrobiotecnología y Biología Molecular, (IABIMO) INTA-CONICET, Argentina; Instituto de Biotecnología, CICVyA, Instituto Nacional de Tecnología Agropecuaria. N. Repetto and De los Reseros, Hurlingham 1686 Buenos Aires, Argentina
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Contieri R, Hensley PJ, Kamat AM. Reply to Francesco Montorsi, Giuseppe Rosiello, and Giorgio Gandaglia's Letter to the Editor re: Roberto Contieri, Patrick J. Hensley, Wei Shen Tan, et al. Oncological Outcomes for Patients with European Association of Urology Very High-risk Non-muscle-Invasive Bladder Cancer Treated with Bacillus Calmette-Guérin or Early Radical Cystectomy. Eur Urol Oncol. 2023;6:590-596. Eur Urol Oncol 2024; 7:301. [PMID: 37806840 DOI: 10.1016/j.euo.2023.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 10/10/2023]
Affiliation(s)
- Roberto Contieri
- Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Patrick J Hensley
- Department of Urology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Ashish M Kamat
- Department of Urology, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Pate M, Zajc U, Pirš T, Ocepek M, Krt B. Bovine Tuberculosis in Wild Boar (Sus scrofa) in Slovenia. J Wildl Dis 2024; 60:537-541. [PMID: 38304986 DOI: 10.7589/jwd-d-23-00123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 12/22/2023] [Indexed: 02/03/2024]
Abstract
Mycobacteria of the Mycobacterium tuberculosis complex (MTC) are capable of infecting a wide variety of animals. Wild boar (Sus scrofa) has been recognized as an important wildlife reservoir for bovine tuberculosis. We screened wild boar in Slovenia for the presence of (1) Mycobacterium bovis in tissues and (2) antibodies to M. bovis in blood samples. In 2016 and 2017, 1284 tissue samples from 676 wild boar were subjected to cultivation. In 2018 and 2019, blood samples from 132 wild boar were examined using an ELISA kit. None of the MTC species were isolated from the tissue samples, and no antibodies to M. bovis were detected in the blood samples. Several nontuberculous mycobacteria (NTM), identified by 16S rRNA sequencing and/or matrix-assisted laser desorption ionization time-of-flight mass spectrometry, were found in the tissues of 9.8% of the wild boar: Mycobacterium nonchromogenicum, Mycobacterium peregrinum/Mycobacterium septicum, Mycobacterium avium, Mycobacterium engbaekii, Mycobacterium arupense, Mycobacterium algericum, Mycobacterium bohemicum, Mycobacterium confluentis, Mycobacterium flavescens, Mycobacterium fortuitum, Mycobacterium thermoresistibile, and Mycobacterium vaccae. Species-level identification was not possible for 21.2% of the isolates. At the time of the study, wild boar in Slovenia were not at risk from bTB; the significance of the presence of NTM in wild boar remains to be clarified and evaluated from a One Health perspective.
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Affiliation(s)
- Mateja Pate
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Gerbičeva ulica 60, 1000 Ljubljana, Slovenia
| | - Urška Zajc
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Gerbičeva ulica 60, 1000 Ljubljana, Slovenia
| | - Tina Pirš
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Gerbičeva ulica 60, 1000 Ljubljana, Slovenia
| | - Matjaž Ocepek
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Gerbičeva ulica 60, 1000 Ljubljana, Slovenia
| | - Brane Krt
- Institute of Microbiology and Parasitology, Veterinary Faculty, University of Ljubljana, Gerbičeva ulica 60, 1000 Ljubljana, Slovenia
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Bouchez-Zacria M, Jabert P, Réveillaud É, Richomme C, Marsot M. Intra- and interspecies infectious neighbourhoods as determinant parameters for Mycobacterium bovis infection among badgers in southwestern France. Prev Vet Med 2024; 225:106146. [PMID: 38368697 DOI: 10.1016/j.prevetmed.2024.106146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/20/2024]
Abstract
The epidemiological system for Mycobacterium bovis in France involves cattle and, in some areas, wildlife species (mainly badgers and wild boar). This multi-host aspect complicates the control and eradication prospects for bovine tuberculosis in endemic areas, despite the surveillance and control measures implemented for decades in this officially tuberculosis-free European country. To improve control measures, and to manage spillback transmission from badgers to cattle, it is necessary to clarify the transmission mechanisms of M. bovis in these epidemiological systems. We modelled a badger population from a southwestern endemic area by a Dirichlet tessellation based on a sett census conducted by local hunters and trappers between 2013 and 2015. We then used a logistic regression model to test the association between the infection status of setts and computed variables depicting three types of transmission (intraspecific, interspecific and landscape-associated). The apparent prevalence of infected setts was of 40.5%. Two variables were significantly associated with the probability for a sett to be infected: the proportion of neighbouring setts that were infected (OR: 3.19 [2.04-5.17]95%) and the presence of nearby pastures belonging to an infected farm (OR: 2.33 [1.13-4.89]95%]. While badger culling measures have been implemented according to the national TB control plan in the study area since 2012 (in the vicinity of infected farms and their pastures), our results clearly highlight the need to reinforce measures aimed at reducing both intraspecific and interspecific infection pressure. For this purpose, the promising prospect of badger vaccination could be considered, along with biosecurity measures.
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Affiliation(s)
- Malika Bouchez-Zacria
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Animal Health, Epidemiology Unit, University Paris-Est, Maisons-Alfort, France; Independent researcher, Audincthun, France.
| | - Pierre Jabert
- French Ministry of Agriculture, Directorate General for Food, 75015, Paris
| | | | - Céline Richomme
- Nancy Laboratory for Rabies and Wildlife, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Malzéville, France
| | - Maud Marsot
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Animal Health, Epidemiology Unit, University Paris-Est, Maisons-Alfort, France
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Li P, Li Y, Wang CC, Xia LG. Comparative transcriptomics reveals common and strain-specific responses of human macrophages to infection with Mycobacterium tuberculosis and Mycobacterium bovis BCG. Microb Pathog 2024; 189:106593. [PMID: 38387847 DOI: 10.1016/j.micpath.2024.106593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Mycobacterium tuberculosis (MTB) and Mycobacterium bovis (M. bovis) are closely related pathogenic mycobacteria known to cause chronic pulmonary infections in both humans and animals. Despite sharing nearly identical genomes and virulence factors, these two bacteria display variations in host tropism, epidemiology, and clinical presentations. M. bovis Bacillus Calmette-Guérin (BCG) is an attenuated strain of M. bovis commonly utilized as a vaccine for tuberculosis (TB). Nevertheless, the molecular underpinnings of these distinctions and the intricacies of host-pathogen interactions remain areas of ongoing research. In this study, a comparative transcriptomic analysis was conducted on human leukemia macrophages (THP-1) infected with either MTB H37Rv or M. bovis BCG (Tokyo strain) to elucidate common and strain-specific responses at the transcriptional level. RNA sequencing was utilized to characterize the transcriptomes of human primary macrophages infected with MTB or BCG at 6 and 24 h post-infection. The findings indicate that both MTB and BCG induce substantial and dynamic alterations in the transcriptomes of THP-1, with a notable overlap in the quantity and extent of differentially expressed genes (DEGs). Moreover, gene ontology (GO) enrichment analysis unveiled shared pathways related to immune response, cytokine signaling, and apoptosis. The immune response of macrophages to bacterial infections at 6 h exhibited significantly greater intensity compared to that at 24 h. Furthermore, distinct gene sets displaying notable variances between MTB and BCG infections were identified. The profound impact of MTB infection on macrophage gene expression, particularly within the initial 6 h, was evident. Additionally, downregulation of pathways such as Focal adhesion, Rap1 signaling pathway, and Regulation of actin cytoskeleton was observed. The pathways associated with inflammation reactions and cell apoptosis exhibited significant differences, with BCG triggering macrophage apoptosis and MTB enhancing the survival of intracellular bacteria. Our findings reveal that MTB and BCG provoke similar yet distinct transcriptional responses in human macrophages, indicating variations in their pathogenesis and ability to adapt to host environments. These results offer novel insights into the molecular mechanisms governing host-pathogen interactions and may contribute to a deeper understanding of TB pathogenesis.
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Affiliation(s)
- Pei Li
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China; Systematic Immunology of Tuberculosis, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, Shenzhen, China
| | - Yang Li
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Cun Chuan Wang
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Li Gang Xia
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China.
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9
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O'Halloran C, Barker EN, Hope JC, Gunn-Moore DA. Canine tuberculosis: A review of 18 new and 565 previously reported confirmed cases. Vet J 2024; 304:106089. [PMID: 38412886 DOI: 10.1016/j.tvjl.2024.106089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 01/30/2024] [Accepted: 02/23/2024] [Indexed: 02/29/2024]
Abstract
Cases of canine tuberculosis, a zoonotic infection of significant public health significance, are typically only sporadically reported in the literature. For this observational study, case details were collated both retrospectively and prospectively for dogs infected with Mycobacterium tuberculosis-complex (MTBC) organisms. A total of 18 previously unreported cases as well as 565 historically reported confirmed cases were reviewed. A variety of diagnostic techniques were used to make a confirmed diagnosis of tuberculosis (culture, interferon-gamma release assay [IGRA], and PCR). The reference standard for diagnosis is culture; however, this was negative or not attempted in some dogs. Where fully speciated, all cases were caused by infection with one of three MTBC organisms: M. tuberculosis, Mycobacterium bovis, or Mycobacterium microti. This study includes the first documented canine infections with M. microti in the UK. All cases were assigned to one of four clinical groups based on the presenting signs: 44.1% were primarily pulmonary, 14.5% were primarily abdominal, and the remainder were disseminated or miscellaneous. The development of adjunctive tests remains necessary to support early treatment decisions pending reporting of culture for MTBC organisms, which can take weeks to months. Definitive treatment, where attempted, was successful in most cases. Of the 13 dogs treated by the authors with triple combination antimicrobial therapy, a good clinical outcome was seen in 12 (92%) of them.
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Affiliation(s)
- Conor O'Halloran
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG United Kingdom.
| | - Emi N Barker
- Langford Vets, University of Bristol, Langford BS40 5DU, United Kingdom; Bristol Veterinary School, University of Bristol, Langford BS40 5DU, United Kingdom
| | - Jayne C Hope
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG United Kingdom
| | - Danièlle A Gunn-Moore
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG United Kingdom
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Nourizadeh M, Sarrafzadeh SA, Shoormasti RS, Fazlollahi MR, Saghafi S, Badalzadeh M, Mirmoghtadaei M, Pourpak Z. Determining reference ranges for lymphocyte proliferation responses to phytohemagglutinin and Bacillus Calmette-Guérin in Iranian children. Clin Immunol 2024; 261:109937. [PMID: 38346463 DOI: 10.1016/j.clim.2024.109937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 01/28/2024] [Accepted: 02/09/2024] [Indexed: 03/03/2024]
Abstract
PURPOSE To establish reference ranges (RRs) for stimulation index of T cell proliferation triggered by phytohemagglutinin (PHA-SI) and Bacillus Calmette-Guérin (BCG-SI). METHODS This study investigated data from 359 healthy children and 35 patients with cellular immunodeficiency as positive controls (2010-2021). We applied a colorimetric-based method (BrdU) to measure proliferation and determine the RRs at the 2.5th and 97.5th percentiles (95% confidence intervals). A cross-validation approach was performed. RESULTS In healthy controls, the RRs for PHA-SI and BCG-SI ranged between 3 and 5.2 and 2.52 to 5.2, respectively. PHA-SI and BCG-SI were in Severe Combined Immunodeficiency (SCID) patients from 1.2 to 2.5 and 0 to 2, while in Mendelian susceptibility to mycobacterial diseases (MSMD) patients, 2.53 to 4.5 and 0.74 to 2.2, respectively. The thresholds' accuracy was checked for testing reference intervals with diagnostic effects. CONCLUSION This study establishes PHA-SI and BCG-SI reference ranges to aid in diagnosing and treating congenital immunodeficiency diseases.
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Affiliation(s)
- Maryam Nourizadeh
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Shokouh Azam Sarrafzadeh
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Raheleh Shokouhi Shoormasti
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Fazlollahi
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Shiva Saghafi
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Badalzadeh
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Milad Mirmoghtadaei
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Pourpak
- Immunology, Asthma and Allergy Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran.
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11
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Juste RA. Bovine TB serological diagnosis: blindness rather than conundrum. Vet Res Commun 2024; 48:1309-1310. [PMID: 38263502 DOI: 10.1007/s11259-023-10288-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/21/2023] [Indexed: 01/25/2024]
Affiliation(s)
- Ramon A Juste
- NEIKER-BRTA, Berreaga, 1, Derio (Bizkaia), 48160, Spain.
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12
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Zheng W, Diao NC, Wang Q, Wang CY, Su N, Yin JY, Tian T, Shi K, Du R. Worldwide Swine Tuberculosis-Positive Rate and Associated Risk Factors, 1966-2020: A Systematic Review and Meta-Analysis. Vector Borne Zoonotic Dis 2024; 24:181-195. [PMID: 38306180 DOI: 10.1089/vbz.2023.0068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2024] Open
Abstract
Background: Tuberculosis (TB) is a chronic, zoonotic infectious disease caused by Mycobacterium tuberculosis that infects not only humans but also animals such as pigs, cows, buffaloes, sheep, and goats. Among them, pigs are one of the main food animals in the world. If pigs are infected with M. tuberculosis, meat products will be negatively affected, causing economic losses to the livestock industry. There is currently no systematic epidemiological assessment of swine TB in the world, so it is important to know the prevalence of swine, and these data are currently lacking, so we performed a statistical analysis. Results: We searched 6791 articles and finally included data from 35,303 pigs from 15 countries or territories, showing a combined prevalence of TB in pigs of 12.1% (95% confidence interval [CI]: 9.2 to 15.9). Among them, the prevalence rate of swine TB in Europe was 15.2% (95% CI: 11.1 to 20.7, 2491/25,050), which was higher compared with other continents, and the difference was significant; the positive rate of PCR method was higher in the detection method subgroup, which was 15.7% (95% CI: 8.0 to 31.0, 376/2261); Mycobacterium bovis was detected in pigs in the M. tuberculosis typing group (9.5%, 95% CI: 6.7 to 13.5, 1364/21,430). The positive rate is higher compared with Mycobacterium capris. Conclusion: This systematic review and meta-analysis is the first to determine the global prevalence of TB in swine herds. Although the seroprevalence of swine TB in this article is very low, the harm of TB cannot be ignored. It is important to take effective control and preventive measures to stop the spread of TB to reduce the impact of diseased pigs on animal husbandry and human health.
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Affiliation(s)
- Wei Zheng
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, P.R. China
| | - Nai-Chao Diao
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, P.R. China
| | - Qi Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, P.R. China
| | - Chun-Yu Wang
- Jilin Heyuan Bioengineering Co., Ltd., Songyuan, P.R. China
| | - Nuo Su
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, P.R. China
| | - Ji-Ying Yin
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, P.R. China
| | - Tian Tian
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, P.R. China
| | - Kun Shi
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, P.R. China
| | - Rui Du
- College of Chinese Medicine Materials, Jilin Agricultural University, Changchun, P.R. China
- Laboratory of Production and Product Application of Sika Deer of Jilin Province, Jilin Agricultural University, Changchun, P.R. China
- Key Lab of Animal Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, P.R. China
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13
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Vaziri F, Setayesh T, Hu Y, Ravindran R, Wei D, Wan YJY. BCG as an Innovative Option for HCC Treatment: Repurposing and Mechanistic Insights. Adv Sci (Weinh) 2024; 11:e2308242. [PMID: 38308164 PMCID: PMC11005731 DOI: 10.1002/advs.202308242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/23/2023] [Indexed: 02/04/2024]
Abstract
This study investigates Bacillus Calmette-Guérin (BCG) as a potential treatment for hepatocellular carcinoma (HCC), a condition often associated with unfavorable treatment outcomes. Exploiting BCG's recognized immune-boosting properties, preclinical trials are conducted using HCC mice, with a single subcutaneous dose of BCG administered post-tumor formation. Results indicate that BCG treatment effectively diminishes tumor burden and extends survival in both male and female HCC mice. Positive influences on hepatic fibrosis and metabolism are observed, leading to a reduction in lipid levels. Spatial analysis underscores BCG's tumor-specific effects, inducing the enrichment of metabolic pathways and inhibiting various cancer-related pathways. Furthermore, BCG promotes immune cell infiltration, including CD4+, CD8+ T cells, and M1 macrophages, in both v-akt murine thymoma viral oncogene homolog 1(AKT)/neutoblastoma RAS viral oncogene homolog (RAS) and β-catenin positive HCC models. Interestingly, blocking T cells, trained immunity, and Interferon-γ (IFN-γ) function reverses BCG's anti-HCC effects. In conclusion, BCG emerges as a promising treatment option for HCC, characterized by a favorable safety profile and efficacy in inhibiting fibrosis, improving metabolism, and engaging both trained immunity and T cells in therapeutic mechanisms.
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Affiliation(s)
- Farzam Vaziri
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
| | - Tahereh Setayesh
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
| | - Ying Hu
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
| | - Resmi Ravindran
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
| | - Dongguang Wei
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
| | - Yu-Jui Yvonne Wan
- Department of Pathology and Laboratory Medicine, University of California Davis Health, Sacramento, CA, 95817, USA
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14
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Marfil MJ, Blanco FC, Colombatti Olivieri MA, Eirin ME, Zumárraga MJ. Transmissibility of Mycobacterium pinnipedii in a murine model. Front Cell Infect Microbiol 2024; 14:1328981. [PMID: 38606297 PMCID: PMC11007016 DOI: 10.3389/fcimb.2024.1328981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 03/04/2024] [Indexed: 04/13/2024] Open
Abstract
The causative agent of tuberculosis in pinnipeds is Mycobacterium pinnipedii, a member of the Mycobacterium tuberculosis complex (MTC). The natural hosts are pinnipeds; however, other non-marine mammals, including humans, can also be infected. The transmissibility of a pathogen is related to its virulence. The transmissibility of a M. pinnipedii strain (i.e., 1856) was investigated in a murine model and compared with that of two Mycobacterium bovis strains (i.e., 534 and 04-303) with different reported virulence. Non-inoculated mice (sentinels) were co-housed with intratracheally inoculated mice. Detailed inspection of mice to search for visible tuberculosis lesions in the lungs and spleen was performed, and bacillus viability at 30, 60, and 90 days post-inoculation (dpi) was assayed. A transmissibility of 100% was recorded at 30 dpi in sentinel mice co-housed with the inoculated mice from the M. pinnipedii and M. bovis 04-303 groups, as evidenced by the recovery of viable M. pinnipedii and M. bovis from the lungs of sentinel mice. Mice inoculated with M. pinnipedii (1856) and M. bovis (534) survived until euthanized, whereas five of the M. bovis 04-303-inoculated mice died at 17 dpi. This study constitutes the first report of the transmissibility of a M. pinnipedii strain in mice and confirms the utility of this experimental model to study virulence features such as the transmission of poorly characterized MTC species.
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Affiliation(s)
- María Jimena Marfil
- Cátedra de Enfermedades Infecciosas, Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Ciudad Autónoma d Buenos Aires, Argentina
| | - Federico Carlos Blanco
- Instituto de Agrobiotecnología y Biología Molecular (IABIMO) UEDD CONICET-Instituto Nacional de Tecnología Agropecuaria, Argentina (INTA), Centro de Investigación en Cs. Veterinarias y Agronómicas (CICVyA)-CNIA, Hurlingham, Buenos Aires, Argentina
| | - María Alejandra Colombatti Olivieri
- Instituto de Agrobiotecnología y Biología Molecular (IABIMO) UEDD CONICET-Instituto Nacional de Tecnología Agropecuaria, Argentina (INTA), Centro de Investigación en Cs. Veterinarias y Agronómicas (CICVyA)-CNIA, Hurlingham, Buenos Aires, Argentina
| | - María Emilia Eirin
- Instituto de Agrobiotecnología y Biología Molecular (IABIMO) UEDD CONICET-Instituto Nacional de Tecnología Agropecuaria, Argentina (INTA), Centro de Investigación en Cs. Veterinarias y Agronómicas (CICVyA)-CNIA, Hurlingham, Buenos Aires, Argentina
| | - Martín José Zumárraga
- Instituto de Agrobiotecnología y Biología Molecular (IABIMO) UEDD CONICET-Instituto Nacional de Tecnología Agropecuaria, Argentina (INTA), Centro de Investigación en Cs. Veterinarias y Agronómicas (CICVyA)-CNIA, Hurlingham, Buenos Aires, Argentina
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15
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Arce-Fonseca M, Mata-Espinosa D, Aranda-Fraustro A, Rosales-Encina JL, Flores-Valdez MA, Rodríguez-Morales O. Mycobacterium bovis BCG as immunostimulating agent prevents the severe form of chronic experimental Chagas disease. Front Immunol 2024; 15:1380049. [PMID: 38576607 PMCID: PMC10991741 DOI: 10.3389/fimmu.2024.1380049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 02/28/2024] [Indexed: 04/06/2024] Open
Abstract
Introduction There is currently no vaccine against Chagas disease (ChD), and the medications available confer multiple side effects. Mycobacterium bovis Bacillus Calmette-Guérin (BCG) produces balanced Th1, Th2, and Th17 modulatory immune responses and has improved efficacy in controlling chronic infections through nonspecific immunity. We aimed to improve the response to infection by inducing a stronger immune response and greater protection against the parasite by trained immunity. Methods BALB/c mice were immunized with BCG subcutaneously, and 60 days later, they were infected with Trypanosoma cruzi intraperitoneally. An evaluation of the progression of the disease from the acute to the chronic stage, analyzing various aspects such as parasitemia, survival, clinical status, and humoral and cellular immune response, as well as the appearance of visceral megas and the histopathological description of target organs, was performed. Results Vaccination reduced parasitemia by 70%, and 100% survival was achieved in the acute stage; although the presentation of clinical signs was reduced, there was no increase in the antibody titer or in the differential production of the isotypes. Conclusion Serum cytokine production indicated a proinflammatory response in infected animals, while in those who received BCG, the response was balanced by inducing Th1/Th2-type cytokines, with a better prognosis of the disease in the chronic stage.
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Affiliation(s)
- Minerva Arce-Fonseca
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Dulce Mata-Espinosa
- Laboratory of Experimental Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico
| | - Alberto Aranda-Fraustro
- Department of Pathology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - José Luis Rosales-Encina
- Laboratory of Molecular Biology, Department of Infectomics and Molecular Pathogenesis, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City, Mexico
| | - Mario Alberto Flores-Valdez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A. C., Guadalajara, Mexico
| | - Olivia Rodríguez-Morales
- Laboratory of Molecular Immunology and Proteomics, Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
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16
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Søvik WLM, Madsen AMR, Aaby P, Nielsen S, Benn CS, Schaltz-Buchholzer F. The association between BCG scars and self-reported chronic diseases: A cross-sectional observational study within an RCT of Danish health care workers. Vaccine 2024; 42:1966-1972. [PMID: 38378387 DOI: 10.1016/j.vaccine.2024.02.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 02/22/2024]
Abstract
INTRODUCTION The live-attenuated vaccines Bacillus Calmette-Guérin (BCG) and Vaccinia have been associated with beneficial non-specific effects. We assessed the prevalence of BCG and Vaccinia vaccine scars in a cohort of Danish health care workers and investigated the association between the presence of vaccine scars and self-reported chronic diseases. METHODS Cross-sectional study utilizing baseline data collected during 2020-2021 at enrollment in a BCG trial aiming to assess the effect of BCG vaccination on absenteeism and infectious disease morbidity during the SARS-COV-2 pandemic. In Denmark, Vaccinia was discontinued in 1977, and BCG was phased out in the early 1980s. We used logistic regression analysis (adjusted for sex, birth year, and smoking status) to estimate the association between scar status and chronic diseases, providing adjusted Odds Ratios (aORs) with 95 % Confidence Intervals, for participants born before 1977, and born from 1965 to 1976. RESULTS The cohort consisted of 1218 participants (206 males; 1012 females) with a median age of 47 years (Q1-Q3: 36-56). Among participants born 1965-1976 (n = 403), who experienced the phase-outs, having BCG and/or Vaccinia scar(s) vs. having no vaccine scars yielded an aOR of 0.51 (0.29-0.90) of self-reported chronic disease; an effect primarily driven by BCG. In the same birth cohort, having vaccine scar(s) was most strongly associated with a lower prevalence of chronic respiratory and allergic diseases; the aORs being 0.39 (0.16-0.97) and 0.39 (0.16-0.91), respectively. CONCLUSION Having a BCG scar was associated with a lower prevalence of self-reported chronic disease.
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Affiliation(s)
| | - Anne Marie Rosendahl Madsen
- Bandim Health Project, Odense Patient Data Explorative Network (OPEN), Department of Clinical Research, Odense University Hospital and University of Southern Denmark, Denmark; Danish Institute for Advanced Study, University of Southern Denmark, Denmark
| | - Peter Aaby
- Bandim Health Project, Odense Patient Data Explorative Network (OPEN), Department of Clinical Research, Odense University Hospital and University of Southern Denmark, Denmark; Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau
| | - Sebastian Nielsen
- Bandim Health Project, Odense Patient Data Explorative Network (OPEN), Department of Clinical Research, Odense University Hospital and University of Southern Denmark, Denmark; Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau
| | - Christine Stabell Benn
- Bandim Health Project, Odense Patient Data Explorative Network (OPEN), Department of Clinical Research, Odense University Hospital and University of Southern Denmark, Denmark; Danish Institute for Advanced Study, University of Southern Denmark, Denmark; Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau
| | - Frederik Schaltz-Buchholzer
- Bandim Health Project, Odense Patient Data Explorative Network (OPEN), Department of Clinical Research, Odense University Hospital and University of Southern Denmark, Denmark; Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau.
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17
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APHA study looks at effect of badger culling on bTB. Vet Rec 2024; 194:211. [PMID: 38488624 DOI: 10.1002/vetr.4052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
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18
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Marshall JE, Mercaldo RA, Lipner EM, Prevots DR. Nontuberculous mycobacteria testing and culture positivity in the United States. BMC Infect Dis 2024; 24:288. [PMID: 38448840 PMCID: PMC10916245 DOI: 10.1186/s12879-024-09059-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/25/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Nontuberculous mycobacteria (NTM) are environmental bacteria which may cause chronic lung disease. The prevalence of NTM pulmonary infection and disease has been increasing in the United States and globally. The predominant clinically relevant species of NTM in the United States are Mycobacterium avium complex (MAC) species and Mycobacterium abscessus. With the development of rapid species identification methods for NTM (e.g. PCR probes), more testing for NTM is being conducted through commercial labs, such as Laboratory Corporation of America (Labcorp), which provides deidentified real-time testing data to the Centers for Disease Control (CDC) pursuant to a data sharing agreement. Because NTM lung infections are not reportable in most states, other data sources are key to understanding NTM testing patterns, positivity rates, and species distributions to track infection trends and identify clinical care needs. METHODS We obtained national Labcorp data for the period January 2019 through mid-April 2022. We subset the data to only respiratory samples sent for Acid Fast Bacilli (AFB) cultures. NTM positive results were defined as those which identified an NTM species and are not Mycobacterium tuberculosis, Mycobacterium bovis, or Mycobacterium gordonae. RESULTS Overall, 112,528 respiratory samples were sent for AFB testing during the study period; 26.3% were from the Southeast U.S., identified as HSS Region IV in the Labcorp dataset, and 23.0% were from the Pacific and South Pacific region (Region IX). The culture positive prevalence ranged from 20.2% in the Southeast to 9.2% in the East North Central region (Region V). In the Southeast US, M. abscessus prevalence was 4.0%. For MAC, the highest prevalence was observed in the Mountain region (Region VII) (13.5%) and the lowest proportion was in the East South Central region (7.3%, Region III). Among positive tests, the proportion which was MAC varied from 61.8% to 88.9% and was highest in the Northeast U.S. The proportion of positive samples which were M. abscessus ranged from 3.8% to 19.7% and was highest in the Southeast. CONCLUSIONS The Southeastern region of the U.S. has the highest rate of culture positivity in Labcorp tests for total NTM and, of all positive tests, the highest proportion of M. abscessus. These estimates may underrepresent the true number of M. abscessus infections because M. absesscus-specific probes are not commercially available and not all NTM testing in the United States is done by Labcorp. Analysis of real-time testing data from commercial laboratories may provide insights into risk factors for NTM culture positivity in 'hotspot' areas.
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Affiliation(s)
- Julia E Marshall
- Epidemiology and Population Studies Unit, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 5601 Fishers Ln, Bethesda, MD, 20852, USA
| | - Rachel A Mercaldo
- Epidemiology and Population Studies Unit, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 5601 Fishers Ln, Bethesda, MD, 20852, USA
| | - Ettie M Lipner
- Epidemiology and Population Studies Unit, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 5601 Fishers Ln, Bethesda, MD, 20852, USA
| | - D Rebecca Prevots
- Epidemiology and Population Studies Unit, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 5601 Fishers Ln, Bethesda, MD, 20852, USA.
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19
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Miles EL, Spellar K, Williams D. Mycobacterium bovis infection of the appendix: a case of appendiceal tuberculosis in rural England. BMJ Case Rep 2024; 17:e258798. [PMID: 38442977 DOI: 10.1136/bcr-2023-258798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024] Open
Abstract
Appendiceal tuberculosis is a rare mimic of acute appendicitis, demonstrated by several case reports of patients from tuberculosis endemic countries. On literature review, there are few cases reported of appendiceal tuberculosis in urban England, and no reports from rural England. This case describes a patient with primary appendiceal tuberculosis from a remote district hospital in England who underwent a diagnostic laparoscopy for suspected acute appendicitis. Intraoperatively, an abnormal appearance with extensive intra-abdominal adhesions was seen in addition to appendicitis, making the diagnosis dubious. Histology of the appendix was positive for acid-fast bacilli and culture of the intra-abdominal fluid revealed a diagnosis of Mycobacterium bovis infection. The mode of infection was thought to be reactivation of latent bovine tuberculosis from drinking unpasteurised milk in adolescence. Taking a focused history, particularly in those with a farming background, and intraoperative sampling for histology and culture are vital in the diagnosis of appendiceal tuberculosis.
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Affiliation(s)
- Esther Lucy Miles
- Obstetrics and Gynaecology, Royal Devon and Exeter NHS Foundation Trust, Exeter, UK
| | - Kayleigh Spellar
- General Surgery, Royal Devon and Exeter NHS Foundation Trust, Barnstaple, UK
| | - David Williams
- General Surgery, Royal Devon and Exeter NHS Foundation Trust, Barnstaple, UK
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20
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Echeverría G, Zumárraga MJ, Proaño-Pérez F, Blasco FB, de Waard JH. Assessing the impact of various tuberculin PPD brands on bovine tuberculosis diagnosis. Sci Rep 2024; 14:5155. [PMID: 38431678 PMCID: PMC10908831 DOI: 10.1038/s41598-024-52089-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 01/13/2024] [Indexed: 03/05/2024] Open
Abstract
Although several brands of tuberculin purified protein derivatives (PPDs) are available for diagnosing bovine tuberculosis (bTB), comparative studies to determine their diagnostic accuracy are infrequent. In Ecuador we compared two different PPD brands for bTB diagnosis using skin testing and measuring skin thickness increase. Additionally, we evaluated four PPD brands, including those used for skin testing, in the Bovine Tuberculosis Interferon Gamma Test (IFN-γ test) measuring IFN-γ induction in whole blood. The study included 17 naturally tuberculosis-infected PPD and IFN-γ test positive bovines. Both the field and laboratory results showed significant differences in classifying the 17 bovines as bTB positive or negative. We hypothesize that several factors, such as the genetic background of the cows, sensitization to environmental mycobacteria, M. bovis strains involved in the bTB infection, and the manufacturing procedures of the PPDs, could have influenced the immune reaction toward the different tuberculin PPD brands. Our study emphasizes the necessity for comparative studies aimed at determining the diagnostic accuracy of PPD brands for bTB diagnosis as well as the development of standardized methods for PPD production and potency determination.
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Affiliation(s)
- Gustavo Echeverría
- Instituto de Investigación en Zoonosis-CIZ, Universidad Central del Ecuador, Quito, Ecuador
- Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, Buenos Aires, Argentina
- División Investigación y Desarrollo, BioGENA, Quito, Ecuador
| | - Martín J Zumárraga
- Instituto de Agrobiotecnología y Biología Molecular, IABIMO, INTA-CONICET, Buenos Aires, Argentina
| | - Freddy Proaño-Pérez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Central del Ecuador, Quito, Ecuador
| | - Francisco Barceló Blasco
- One Health Research Group, Facultad de Ciencias de la Salud, Universidad de las Américas (UDLA), Quito, Ecuador
| | - Jacobus H de Waard
- One Health Research Group, Facultad de Ciencias de la Salud, Universidad de las Américas (UDLA), Quito, Ecuador.
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21
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Vera-Salmoral E, Sánchez-Carvajal JM, Gómez-Gascón L, Larenas-Muñoz F, Tarradas C, Gómez-Laguna J, Huerta B. Assessment of the diagnostic performance of intradermal tuberculin test and post-mortem inspection for the diagnosis of bovine tuberculosis according to WOAH guidelines. Res Vet Sci 2024; 168:105159. [PMID: 38266351 DOI: 10.1016/j.rvsc.2024.105159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Bovine tuberculosis (bTB) constitutes a global challenge for public and animal health with still some deficiencies regarding its diagnosis. This study aimed to estimate the accuracy of the single intradermal tuberculin test (SIT) and post-mortem inspection for different diagnostic objectives following WOAH guidelines. Tissue samples from 59 microbiological culture/PCR-positive and 58 microbiological culture/PCR-negative cattle were evaluated. The diagnostic sensitivity and specificity, the positive and negative probability indices as well as the positive and negative predictive values (PPV and NPV) of each technique were estimated for different pretest probabilities. The SIT with strict interpretation demonstrated moderate precision in confirming the absence of infection in populations historically free of bTB, with a 12.1% rate of false positives, but also detecting positive animals in the early stage of the eradication programs, with a 13.6% rate of false negatives. The diagnostic performance for ruling out bTB was notably high (NPV > 90%) in animals with a pre-test probability (PTP) below 42%. Post-mortem inspection constituted an interesting alternative tool to confirm suspected and positive cases for SIT, particularly in areas with bTB prevalence exceeding 19%, where implementing SIT and eradication measures may be impractical. In these areas, the likelihood that animals with tuberculosis-like lesions are affected by the disease surpasses 90%. Similarly, in herds with a PTP below 25%, the absence of bTB could be confidently ruled out with over 90% certainty. These findings highlight the effectiveness of SIT and post-mortem inspection as valuable techniques for current eradication programs and controlling bTB in high-prevalence areas where molecular techniques may not be feasible.
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Affiliation(s)
- Eduardo Vera-Salmoral
- Department of Animal Health, UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', University of Córdoba, 14014 Córdoba, Spain; Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14014 Córdoba, Spain
| | - José María Sánchez-Carvajal
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14014 Córdoba, Spain.
| | - Lidia Gómez-Gascón
- Department of Animal Health, UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', University of Córdoba, 14014 Córdoba, Spain
| | - Fernanda Larenas-Muñoz
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14014 Córdoba, Spain
| | - Carmen Tarradas
- Department of Animal Health, UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', University of Córdoba, 14014 Córdoba, Spain
| | - Jaime Gómez-Laguna
- Department of Anatomy and Comparative Pathology and Toxicology, Pathology and Immunology Group (UCO-PIG), UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', 14014 Córdoba, Spain
| | - Belén Huerta
- Department of Animal Health, UIC Zoonosis y Enfermedades Emergentes ENZOEM, University of Córdoba, International Excellence Agrifood Campus 'CeiA3', University of Córdoba, 14014 Córdoba, Spain
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22
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Arnett E, Wolff J, Leopold Wager CM, Simper J, Badrak JL, Ontiveros C, Ni B, Schlesinger LS. Cutting Edge: Cytosolic Receptor AIM2 Is Induced by Peroxisome Proliferator-activated Receptor γ following Mycobacterium tuberculosis Infection of Human Macrophages but Does Not Contribute to IL-1β Release. J Immunol 2024; 212:765-770. [PMID: 38251918 PMCID: PMC10922714 DOI: 10.4049/jimmunol.2300418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 01/01/2024] [Indexed: 01/23/2024]
Abstract
AIM2 (absent in melanoma 2), an inflammasome component, mediates IL-1β release in murine macrophages and cell lines. AIM2 and IL-1β contribute to murine control of Mycobacterium tuberculosis (M.tb) infection, but AIM2's impact in human macrophages, the primary niche for M.tb, remains unclear. We show that M.tb, Mycobacterium bovis bacillus Calmette-Guérin (BCG), and M. smegmatis induce AIM2 expression in primary human macrophages. M.tb-induced AIM2 expression is peroxisome proliferator-activated receptor γ (PPARγ)-dependent and M.tb ESX-1-independent, whereas BCG- and M. smegmatis-induced AIM2 expression is PPARγ-independent. PPARγ and NLRP3, but not AIM2, are important for IL-1β release in response to M.tb, and NLRP3 colocalizes with M.tb. This is in contrast to the role for AIM2 in inflammasome activation in mice and peritoneal macrophages. Altogether, we show that mycobacteria induce AIM2 expression in primary human macrophages, but AIM2 does not contribute to IL-1β release during M.tb infection, providing further evidence that AIM2 expression and function are regulated in a cell- and/or species-specific manner.
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Affiliation(s)
- Eusondia Arnett
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
| | | | - Chrissy M Leopold Wager
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Jan Simper
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
- South Texas Medical Scientist Training Program, University of Texas Health San Antonio, San Antonio, TX, USA
| | - Jeanine L Badrak
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Carlos Ontiveros
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
- South Texas Medical Scientist Training Program, University of Texas Health San Antonio, San Antonio, TX, USA
| | | | - Larry S Schlesinger
- Host Pathogen Interactions Program, Texas Biomedical Research Institute, San Antonio, TX, USA
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23
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Melgarejo C, Cobos A, Domingo M, Cantero G, Moll X, Sevilla IA, Garrido JM, Michelet L, Boschiroli ML, Vidal E, Pérez de Val B. Experimental infection of goats with Mycobacterium microti induces subclinical pulmonary tuberculosis and mild responses to tuberculin skin tests. Vet Microbiol 2024; 290:110009. [PMID: 38280303 DOI: 10.1016/j.vetmic.2024.110009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 01/29/2024]
Abstract
Mycobacterium microti is a member of the Mycobacterium tuberculosis complex that seldom causes disease in livestock and humans. This study evaluated the effects on immunodiagnosis and the pathological findings in goats after experimental exposure by different routes and doses to M. microti. In a first experiment goats were challenged orally (PO, n = 7) or intranasally (IN, n = 7) with 104 CFU. In a second experiment, the endobronchial route was assessed, with a low dose of 102 CFU (EB-LD, n = 7) and a high dose of 105 CFU (EB-HD, n = 7) as well as the subcutaneous route (SC, n = 5). Temperature, body weight, clinical signs and immunological responses were monitored. Pathological evaluation was carried out and samples were processed for mycobacterial detection. RESULTS: demonstrated the induction of a subclinical pulmonary infection in all the EB-HD challenged animals. Infection was also confirmed in one animal of the SC group, but not in the EB-LD, PO or IN groups. Two animals belonging to the EB-HD and SC groups, respectively, showed positive results to the single intradermal tuberculin test, and another two animals of the EB-HD and EB-LD groups showed doubtful (inconclusive) results, indicating that M. microti can induce mild responses to tuberculin skin testing. No positive results were observed when defined antigens absent in M. microti (ESAT-6 and CPF-10) were used. Our results indicate that animals exposed to M. microti can yield positive results to the skin tests currently performed in livestock tuberculosis eradication campaigns and reinforce the need to use specific antigens in antemortem tests to avoid interference with M. bovis/M. caprae diagnosis.
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Affiliation(s)
- Cristian Melgarejo
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain
| | - Alex Cobos
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain; Departament de Sanitat i Anatomia Animals, Universitat Autònoma de Barcelona, Bellaterra, Catalonia, Spain
| | - Mariano Domingo
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain; Departament de Sanitat i Anatomia Animals, Universitat Autònoma de Barcelona, Bellaterra, Catalonia, Spain
| | - Guillermo Cantero
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain
| | - Xavier Moll
- Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Bellaterra, Catalonia, Spain; Departament de Medicina i Cirurgia Animals, Universitat Autònoma de Barcelona, Bellaterra, Catalonia, Spain
| | - Iker A Sevilla
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Basque Research and Technology Alliance (BRTA), Derio, Bizkaia, Basque Country, Spain
| | - Joseba M Garrido
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Basque Research and Technology Alliance (BRTA), Derio, Bizkaia, Basque Country, Spain
| | - Lorraine Michelet
- Paris-Est University, National Reference Laboratory for Tuberculosis, Animal Health Laboratory, Anses, Maisons-Alfort, France
| | - Maria Laura Boschiroli
- Paris-Est University, National Reference Laboratory for Tuberculosis, Animal Health Laboratory, Anses, Maisons-Alfort, France
| | - Enric Vidal
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain.
| | - Bernat Pérez de Val
- Unitat mixta d'investigació IRTA-UAB en Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la Universitat Autònoma de Barcelona (UAB), Bellaterra, Catalonia, Spain; IRTA, Programa de Sanitat Animal, Centre de Recerca en Sanitat Animal (CReSA), Campus de la UAB, Bellaterra, Catalonia, Spain.
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24
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Raíces Francisco N, Suárez Gil R, Ayuso García B, Romay Lema E, Rivas Domínguez OM, Rodríguez Ameijeiras E, Besteiro Balado Y, Pérez López A, Rabuñal Rey R. BCGitis with aortoiliac aneurysm involvement: Report of two cases and review of the literature. Enferm Infecc Microbiol Clin (Engl Ed) 2024; 42:152-157. [PMID: 37487765 DOI: 10.1016/j.eimce.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/15/2023] [Accepted: 02/19/2023] [Indexed: 07/26/2023]
Abstract
BCGitis is a rare complication after intravesical administration of Bacillus Calmette-Guérin for high-grade superficial bladder cancer and carcinoma in situ. May cause vascular involvement. We present 2 cases and a review of the literature of the case reports pubished on the 10 years prior to April of 2022, when this proyect was finished, which described a case of aortoiliac mycotic aneurysm after receiving this treatment. Of the 51 cases included (49 revised and 2 original), 100% were men, 82% were older than 65 years. The median latency period was 15 months (IQR 18). The most frequent location was the abdominal aorta, rupture occurred in 45,1% of patients. The most frequent symptom was abdominal or lumbar pain (61%), followed by general syndrome (49%). In 39,2% cases, it was associated with retroperitoneal abscesess. Attributable mortality was 13,6%. BCGitis should be included in the differential diagnosis in patients who have received BCG therapy and present vascular involvement, even years after being treated.
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Affiliation(s)
| | - Roi Suárez Gil
- Servicio de Medicina Interna, Hospital Universitario Lucus Augusti, Lugo, Spain
| | - Blanca Ayuso García
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, Spain
| | - Eva Romay Lema
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, Spain
| | | | | | | | - Antía Pérez López
- Servicio de Medicina Interna, Hospital Universitario Lucus Augusti, Lugo, Spain
| | - Ramón Rabuñal Rey
- Unidad de Enfermedades Infecciosas, Hospital Universitario Lucus Augusti, Lugo, Spain; Grupo de Estudio en Infecciones por Micobacterias. Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica (GEIM-SEIMC)
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25
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Kurtz SL, Baker RE, Boehm FJ, Lehman CC, Mittereder LR, Khan H, Rossi AP, Gatti DM, Beamer G, Sassetti CM, Elkins KL. Multiple genetic loci influence vaccine-induced protection against Mycobacterium tuberculosis in genetically diverse mice. PLoS Pathog 2024; 20:e1012069. [PMID: 38452145 PMCID: PMC10950258 DOI: 10.1371/journal.ppat.1012069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 03/19/2024] [Accepted: 02/26/2024] [Indexed: 03/09/2024] Open
Abstract
Mycobacterium tuberculosis (M.tb.) infection leads to over 1.5 million deaths annually, despite widespread vaccination with BCG at birth. Causes for the ongoing tuberculosis endemic are complex and include the failure of BCG to protect many against progressive pulmonary disease. Host genetics is one of the known factors implicated in susceptibility to primary tuberculosis, but less is known about the role that host genetics plays in controlling host responses to vaccination against M.tb. Here, we addressed this gap by utilizing Diversity Outbred (DO) mice as a small animal model to query genetic drivers of vaccine-induced protection against M.tb. DO mice are a highly genetically and phenotypically diverse outbred population that is well suited for fine genetic mapping. Similar to outcomes in people, our previous studies demonstrated that DO mice have a wide range of disease outcomes following BCG vaccination and M.tb. challenge. In the current study, we used a large population of BCG-vaccinated/M.tb.-challenged mice to perform quantitative trait loci mapping of complex infection traits; these included lung and spleen M.tb. burdens, as well as lung cytokines measured at necropsy. We found sixteen chromosomal loci associated with complex infection traits and cytokine production. QTL associated with bacterial burdens included a region encoding major histocompatibility antigens that are known to affect susceptibility to tuberculosis, supporting validity of the approach. Most of the other QTL represent novel associations with immune responses to M.tb. and novel pathways of cytokine regulation. Most importantly, we discovered that protection induced by BCG is a multigenic trait, in which genetic loci harboring functionally-distinct candidate genes influence different aspects of immune responses that are crucial collectively for successful protection. These data provide exciting new avenues to explore and exploit in developing new vaccines against M.tb.
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Affiliation(s)
- Sherry L. Kurtz
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Richard E. Baker
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, Massachusetts, United States of America
| | - Frederick J. Boehm
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Chelsea C. Lehman
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Lara R. Mittereder
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Hamda Khan
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
| | - Amy P. Rossi
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
- College of Medicine, University of Cincinatti, Cincinatti, Ohio, United States of America
| | - Daniel M. Gatti
- The Jackson Laboratory, Bar Harbor, Maine, United States of America
| | - Gillian Beamer
- Texas Biomedical Research Institute, San Antonio, Texas, United States of America
| | - Christopher M. Sassetti
- Department of Microbiology and Physiological Systems, UMass Chan Medical School, Worcester, Massachusetts, United States of America
| | - Karen L. Elkins
- Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, United States of America
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26
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Langton T. Bovine TB in cattle: true burden of disease untouched? Vet Rec 2024; 194:271. [PMID: 38551255 DOI: 10.1002/vetr.4119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Affiliation(s)
- Tom Langton
- Herpetofauna Consultants International, Triton House, Halesworth, Suffolk, IP19 9AE
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27
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Birch CPD, Bakrania M, Prosser A, Brown D, Withenshaw SM, Downs SH. Difference in differences analysis evaluates the effects of the badger control policy on bovine tuberculosis in England. Sci Rep 2024; 14:4849. [PMID: 38418486 PMCID: PMC10902358 DOI: 10.1038/s41598-024-54062-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 02/08/2024] [Indexed: 03/01/2024] Open
Abstract
Persistent tuberculosis (TB) in cattle populations in England has been associated with an exchange of infection with badgers (Meles meles). A badger control policy (BCP) commenced in 2013. Its aim was to decrease TB incidence in cattle by reducing the badger population available to provide a wildlife reservoir for bovine TB. Monitoring data from 52 BCP intervention areas 200-1600 km2 in size, starting over several years, were used to estimate the change in TB incidence rate in cattle herds, which was associated with time since the start of the BCP in each area. A difference in differences analysis addressed the non-random selection and starting sequence of the areas. The herd incidence rate of TB reduced by 56% (95% Confidence Interval 41-69%) up to the fourth year of BCP interventions, with the largest drops in the second and third years. There was insufficient evidence to judge whether the incidence rate reduced further beyond 4 years. These estimates are the most precise for the timing of declines in cattle TB associated with interventions primarily targeting badgers. They are within the range of previous estimates from England and Ireland. This analysis indicates the importance of reducing transmission from badgers to reduce the incidence of TB in cattle, noting that vaccination of badgers, fertility control and on farm biosecurity may also achieve this effect.
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Affiliation(s)
- Colin P D Birch
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK.
| | - Mayur Bakrania
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK
| | - Alison Prosser
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK
| | - Dan Brown
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK
| | - Susan M Withenshaw
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK
| | - Sara H Downs
- Animal and Plant Health Agency, Woodham Lane, Addlestone, Surrey, KT15 3NB, UK
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28
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Gonciarz W, Brzeziński M, Orłowska W, Wawrzyniak P, Lewandowski A, Narayanan VHB, Chmiela M. Spray-dried pH-sensitive chitosan microparticles loaded with Mycobacterium bovis BCG intended for supporting treatment of Helicobacter pylori infection. Sci Rep 2024; 14:4747. [PMID: 38413775 PMCID: PMC10899647 DOI: 10.1038/s41598-024-55353-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/22/2024] [Indexed: 02/29/2024] Open
Abstract
Gram-negative spiral-shaped Helicobacter pylori (Hp) bacteria induce the development of different gastric disorders. The growing resistance of Hp to antibiotics prompts to search for new therapeutic formulations. A promising candidate is Mycobacterium bovis BCG (BCG) with immunomodulatory properties. Biodegradable mucoadhesive chitosan is a good carrier for delivering BCG mycobacteria to the gastric mucosal environment. This study aimed to show whether BCG bacilli are able to increase the phagocytic activity of Cavia porcellus-guinea pig macrophages derived from the bone marrow towards fluorescently labeled Escherichia coli. Furthermore, to encapsulate live BCG bacilli, in spray-dried chitosan microparticles (CHI-MPs), and assess the pH-dependent release of mycobacteria in pH conditions mimicking gastric (acidic) or gut (alkaline) milieu. Microparticles (MPs) were made of chitosan and coated with Pluronic F-127-(Plur) or N-Acetyl-D-Glucosamine-(GlcNAc) to increase the MPs resistance to low pH or to increase anti-Hp effect, respectively. Spray-drying method was used for microencapsulation of live BCG. The biosafety of tested CHI-MPs has been confirmed using cell models in vitro and the model of guinea pig in vivo. The CHI-MPs loaded with BCG released live mycobacteria at pH 3.0 (CHI-GlcNAc-MPs) or pH 8.0. (CHI-Plur-MPs). The CHI-MPs loaded with live BCG can be used for per os inoculation of Cavia porcellus to check the effectiveness of delivered mycobacteria in increasing anti-H. pylori host response.
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Affiliation(s)
- Weronika Gonciarz
- Department of Immunology and Infectious Biology, Institute of Microbiology, Biotechnology and Immunology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland.
| | - Marek Brzeziński
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-636, Lodz, Poland.
| | - Weronika Orłowska
- Department of Immunology and Infectious Biology, Institute of Microbiology, Biotechnology and Immunology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
| | - Paweł Wawrzyniak
- Department of Environmental Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Stefana Zeromskiego 116, 90-924, Lodz, Poland
| | - Artur Lewandowski
- Department of Environmental Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Stefana Zeromskiego 116, 90-924, Lodz, Poland
| | - Vedha Hari B Narayanan
- Pharmaceutical Technology Laboratory, #214, ASK-II, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu, 613401, India
| | - Magdalena Chmiela
- Department of Immunology and Infectious Biology, Institute of Microbiology, Biotechnology and Immunology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Lodz, Poland
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29
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Kumar M, Kumar T, Jangir BL, Singh M, Arora D, Bangar Y, Conlan A, Vordermeier M, Bakker D, Byregowda SM, Srinivasan S, Kapur V, Jindal N. Comparative analysis of tuberculin and defined antigen skin tests for detection of bovine tuberculosis in buffaloes (Bubalus bubalis) in Haryana state, India. BMC Vet Res 2024; 20:65. [PMID: 38395846 DOI: 10.1186/s12917-024-03913-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Bovine tuberculosis (bTB) is a chronic disease that results from infection with any member of the Mycobacterium tuberculosis complex. Infected animals are typically diagnosed with tuberculin-based intradermal skin tests according to World Organization of Animal Health which are presently in use. However, tuberculin is not suitable for use in BCG-vaccinated animals due to a high rate of false-positive reactions. Peptide-based defined skin test (DST) antigens have been identified using antigens (ESAT-6, CFP-10 and Rv3615c) which are absent from BCG, but their performance in buffaloes remains unknown. To assess the comparative performance of DST with the tuberculin-based single intradermal test (SIT) and the single intradermal comparative cervical test (SICCT), we screened 543 female buffaloes from 49 organized dairy farms in two districts of Haryana state in India. RESULTS We found that 37 (7%), 4 (1%) and 18 (3%) buffaloes were reactors with the SIT, SICCT and DST tests, respectively. Of the 37 SIT reactors, four were positive with SICCT and 12 were positive with the DST. The results show that none of the animals tested positive with all three tests, and 6 DST positive animals were SIT negative. Together, a total of 43 animals were reactors with SIT, DST, or both, and the two assays showed moderate agreement (Cohen's Kappa 0.41; 95% Confidence Interval (CI): 0.23, 0.59). In contrast, only slight agreement (Cohen's Kappa 0.18; 95% CI: 0.02, 0.34) was observed between SIT and SICCT. Using a Bayesian latent class model, we estimated test specificities of 96.5% (95% CI, 92-99%), 99.7% (95% CI: 98-100%) and 99.0% (95% CI: 97-100%) for SIT, SICCT and DST, respectively, but considerably lower sensitivities of 58% (95% CI: 35-87%), 9% (95% CI: 3-21%), and 34% (95% CI: 18-55%) albeit with broad and overlapping credible intervals. CONCLUSION Taken together, our investigation suggests that DST has a test specificity comparable with SICCT, and sensitivity intermediate between SIT and SICCT for the identification of buffaloes suspected of tuberculosis. Our study highlights an urgent need for future well-powered trials with detailed necropsy, with immunological and microbiological profiling of reactor and non-reactor animals to better define the underlying factors for the large observed discrepancies in assay performance, particularly between SIT and SICCT.
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Affiliation(s)
- Mohit Kumar
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Tarun Kumar
- Veterinary Clinical Complex, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Babu Lal Jangir
- Department of Veterinary Pathology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Mahavir Singh
- College Central Laboratory, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Devan Arora
- Regional Centre at Karnal, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Yogesh Bangar
- Department of Animal Genetics and Breeding, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India
| | - Andrew Conlan
- Disease Dynamics Unit, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | | | - Douwe Bakker
- Technical Consultant and Independent Researcher, Lelystad, The Netherlands
| | - S M Byregowda
- Institute of Animal Health and Veterinary Biologicals, Bengaluru, India
| | - Sreenidhi Srinivasan
- Department of Animal Science, The Pennsylvania State University, University Park, PA, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Vivek Kapur
- Department of Animal Science, The Pennsylvania State University, University Park, PA, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | - Naresh Jindal
- Department of Veterinary Public Health and Epidemiology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125 004, India.
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30
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Rosain J, Kiykim A, Michev A, Kendir-Demirkol Y, Rinchai D, Peel JN, Li H, Ocak S, Ozdemir PG, Le Voyer T, Philippot Q, Khan T, Neehus AL, Migaud M, Soudée C, Boisson-Dupuis S, Marr N, Borghesi A, Casanova JL, Bustamante J. Recombinant IFN-γ1b Treatment in a Patient with Inherited IFN-γ Deficiency. J Clin Immunol 2024; 44:62. [PMID: 38363432 PMCID: PMC10873451 DOI: 10.1007/s10875-024-01661-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/21/2024] [Indexed: 02/17/2024]
Abstract
PURPOSE Inborn errors of IFN-γ immunity underlie Mendelian susceptibility to mycobacterial disease (MSMD). Twenty-two genes with products involved in the production of, or response to, IFN-γ and variants of which underlie MSMD have been identified. However, pathogenic variants of IFNG encoding a defective IFN-γ have been described in only two siblings, who both underwent hematopoietic stem cell transplantation (HCST). METHODS We characterized a new patient with MSMD by genetic, immunological, and clinical means. Therapeutic decisions were taken on the basis of these findings. RESULTS The patient was born to consanguineous Turkish parents and developed bacillus Calmette-Guérin (BCG) disease following vaccination at birth. Whole-exome sequencing revealed a homozygous private IFNG variant (c.224 T > C, p.F75S). Upon overexpression in recipient cells or constitutive expression in the patient's cells, the mutant IFN-γ was produced within the cells but was not correctly folded or secreted. The patient was treated for 6 months with two or three antimycobacterial drugs only and then for 30 months with subcutaneous recombinant IFN-γ1b plus two antimycobacterial drugs. Treatment with IFN-γ1b finally normalized all biological parameters. The patient presented no recurrence of mycobacterial disease or other related infectious diseases. The treatment was well tolerated, without the production of detectable autoantibodies against IFN-γ. CONCLUSION We describe a patient with a new form of autosomal recessive IFN-γ deficiency, with intracellular, but not extracellular IFN-γ. IFN-γ1b treatment appears to have been beneficial in this patient, with no recurrence of mycobacterial infection over a period of more than 30 months. This targeted treatment provides an alternative to HCST in patients with complete IFN-γ deficiency or at least an option to better control mycobacterial infection prior to HCST.
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Affiliation(s)
- Jérémie Rosain
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France.
- University of Paris Cité, Imagine Institute, Paris, France.
- Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, Assistance Publique Hôpitaux de Paris (AP-HP), Paris, France.
| | - Ayca Kiykim
- Pediatric Allergy and Immunology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Alexandre Michev
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- Pediatric Clinic, IRCCS Policlinico "San Matteo" Foundation, University of Pavia, Pavia, Italy
| | - Yasemin Kendir-Demirkol
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Department of Pediatric Genetics, Umraniye Education and Research Hospital, Istanbul, Turkey
| | - Darawan Rinchai
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
| | - Jessica N Peel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
| | - Hailun Li
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
| | - Suheyla Ocak
- Pediatric Hematology and Oncology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | | | - Tom Le Voyer
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
- Clinical Immunology Department, Saint-Louis Hospital, AP-HP, Paris, France
| | - Quentin Philippot
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
| | - Taushif Khan
- Department of Immunology, Sidra Medicine, Doha, Qatar
| | - Anna-Lena Neehus
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
| | - Camille Soudée
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
| | - Stéphanie Boisson-Dupuis
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
| | - Nico Marr
- Department of Immunology, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Alessandro Borghesi
- Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France
- University of Paris Cité, Imagine Institute, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Howard Hughes Medical Institute, New York, NY, USA
- Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Necker Hospital for Sick Children, INSERM U1163, Paris, France.
- University of Paris Cité, Imagine Institute, Paris, France.
- Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, Assistance Publique Hôpitaux de Paris (AP-HP), Paris, France.
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA.
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Démoulins T, Yimthin T, Lindtke D, Eggerschwiler L, Siegenthaler R, Labroussaa F, Jores J. Temperature impacts the bovine ex vivo immune response towards Mycoplasmopsis bovis. Vet Res 2024; 55:18. [PMID: 38351086 PMCID: PMC10863263 DOI: 10.1186/s13567-024-01272-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 01/13/2024] [Indexed: 02/16/2024] Open
Abstract
Although cattle are the mammalian species with most global biomass associated with a huge impact on our planet, their immune system remains poorly understood. Notably, the bovine immune system has peculiarities such as an overrepresentation of γδ T cells that requires particular attention, specifically in an infectious context. In line of 3R principles, we developed an ex vivo platform to dissect host-pathogen interactions. The experimental design was based on two independent complementary readouts: firstly, a novel 12-14 color multiparameter flow cytometry assay measuring maturation (modulation of cell surface marker expression) and activation (intracellular cytokine detection) of monocytes, conventional and plasmacytoid dendritic cells, natural killer cells, γδ T cells, B and T cells; secondly, a multiplex immunoassay monitoring bovine chemokine and cytokine secretion levels. The experiments were conducted on fresh primary bovine blood cells exposed to Mycoplasmopsis bovis (M. bovis), a major bovine respiratory pathogen. Besides reaffirming the tight cooperation of the different primary blood cells, we also identified novel key players such as strong IFN-γ secreting NK cells, whose role was so far largely overlooked. Additionally, we compared the host-pathogen interactions at different temperatures, including commonly used 37 °C, ruminant body temperature (38-38.5 °C) and fever (≥ 39.5 °C). Strikingly, working under ruminant physiological temperature influenced the capacity of most immune cell subsets to respond to M. bovis compared to 37 °C. Under fever-like temperature conditions the immune response was impaired compared to physiological temperature. Our experimental approach, phenotypically delineating the bovine immune system provided a thorough vision of the immune response towards M. bovis and the influence of temperature towards that immune response.
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Affiliation(s)
- Thomas Démoulins
- Institute of Veterinary Bacteriology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland.
| | - Thatcha Yimthin
- Institute of Veterinary Bacteriology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Dorothea Lindtke
- Animal GenoPhenomics Group, Agroscope, 1725, Posieux, Switzerland
| | | | | | - Fabien Labroussaa
- Institute of Veterinary Bacteriology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland
- Multidisciplinary Center for Infectious Diseases (MCID), University of Bern, 3001, Bern, Switzerland
| | - Joerg Jores
- Institute of Veterinary Bacteriology, Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, 3001, Bern, Switzerland
- Multidisciplinary Center for Infectious Diseases (MCID), University of Bern, 3001, Bern, Switzerland
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32
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Singh P, Kumar A, Sharma P, Chugh S, Kumar A, Sharma N, Gupta S, Singh M, Kidwai S, Sankar J, Taneja N, Kumar Y, Dhiman R, Mahajan D, Singh R. Identification and optimization of pyridine carboxamide-based scaffold as a drug lead for Mycobacterium tuberculosis. Antimicrob Agents Chemother 2024; 68:e0076623. [PMID: 38193667 PMCID: PMC10848774 DOI: 10.1128/aac.00766-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 11/10/2023] [Indexed: 01/10/2024] Open
Abstract
New drugs with novel mechanisms of action are urgently needed to tackle the issue of drug-resistant tuberculosis. Here, we have performed phenotypic screening using the Pathogen Box library obtained from the Medicines for Malaria Venture against Mycobacterium tuberculosis in vitro. We have identified a pyridine carboxamide derivative, MMV687254, as a promising hit. This molecule is specifically active against M. tuberculosis and Mycobacterium bovis Bacillus Calmette-Guérin (M. bovis BCG) but inactive against Enterococcus faecalis, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumanii, Pseudomonas aeruginosa, and Escherichia coli pathogens. We demonstrate that MMV687254 inhibits M. tuberculosis growth in liquid cultures in a bacteriostatic manner. Surprisingly, MMV687254 was as active as isoniazid in macrophages and inhibited M. tuberculosis growth in a bactericidal manner. Mechanistic studies revealed that MMV687254 is a prodrug and that its anti-mycobacterial activity requires AmiC-dependent hydrolysis. We further demonstrate that MMV687254 inhibits M. tuberculosis growth in macrophages by inducing autophagy. In the present study, we have also carried out a detailed structure-activity relationship study and identified a promising novel lead candidate. The identified novel series of compounds also showed activity against drug-resistant M. bovis BCG and M. tuberculosis clinical strains. Finally, we demonstrate that in contrast to MMV687254, the lead molecule was able to inhibit M. tuberculosis growth in a chronic mouse model of infection. Taken together, we have identified a novel lead molecule with a dual mechanism of action that can be further optimized to design more potent anti-tubercular agents.
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Affiliation(s)
- Padam Singh
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Arun Kumar
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Pankaj Sharma
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Saurabh Chugh
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Ashish Kumar
- Department of Life Science, Laboratory of Mycobacterial Immunology, National Institute of Technology, Rourkela, India
| | - Nidhi Sharma
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Sonu Gupta
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Manisha Singh
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Saqib Kidwai
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Jishnu Sankar
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Neha Taneja
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Yashwant Kumar
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Rohan Dhiman
- Department of Life Science, Laboratory of Mycobacterial Immunology, National Institute of Technology, Rourkela, India
| | - Dinesh Mahajan
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
| | - Ramandeep Singh
- Translational Health Sciences and Technology Institute, NCR Biotech Science Cluster, Faridabad, Haryana, India
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Maqsood R, Duffy SC, Bin Rashid H, Gill SS, Jabeen C, Arshad N, Umbreen G, Behr MA, Kapur V, Chaudhry M. Molecular detection and characterization of the Mycobacterium tuberculosis complex subspecies responsible for bovine tuberculosis in Punjab, Pakistan. Microbiol Spectr 2024; 12:e0269223. [PMID: 38226805 PMCID: PMC10846167 DOI: 10.1128/spectrum.02692-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 11/16/2023] [Indexed: 01/17/2024] Open
Abstract
Bovine tuberculosis (bTB), traditionally associated with Mycobacterium bovis, presents significant public health and economic challenges worldwide. This study investigated the causative agents of bTB in slaughtered cattle and buffalo in Lahore, Pakistan. Of the 3,581 animals screened, 34 were identified with gross TB-like lesions. The lesions were processed for culture, PCR, and Sanger sequencing to identify the causative agents of the disease. The results identified 10 Mycobacterium orygis and 8 Mycobacterium tuberculosis sensu stricto isolates. Whole-genome sequencing was performed on two M. orygis isolates, and the sequences were phylogenetically compared to 93 publicly available M. orygis sequences. The results also demonstrated that the JB21 and JB22 primers, which have been previously commonly applied to detect M. bovis in Pakistan, are unable to distinguish between M. tuberculosis complex subspecies. The identification of M. orygis and M. tuberculosis as causative agents of bTB in this slaughterhouse in Punjab may have important implications in identifying cases of zoonotic TB in humans and applying appropriate molecular tools to identify the prevalence of the disease. The data from this study align with recent findings suggesting M. orygis is the predominant cause of bTB in South Asia.IMPORTANCEThe study findings hold significant relevance to the Journal of Clinical Microbiology, as they directly impact the field. The first-time identification of Mycobacterium orygis and Mycobacterium tuberculosis as the predominant causative agents of bovine tuberculosis in Lahore, Pakistan underscores the urgent need for enhanced diagnostic methods. The study emphasizes the importance of improved assays for the accurate detection and differentiation of Mycobacterium subspecies. Additionally, the research addresses zoonotic risk assessment and public health implications, advocating for a multidisciplinary approach that integrates clinical microbiology with veterinary and human health sectors. These insights contribute to clinical microbiology knowledge, shaping effective strategies for disease prevention, surveillance, and control. The study's potential to advance the field makes it well suited for publication in the Microbiology Spectrum journal.
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Affiliation(s)
- Rubab Maqsood
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
- Institute of Continuing Education and Extension, University of Veterinary and Animal Sciences, Ravi Campus, Pattoki, Pakistan
| | - Shannon C. Duffy
- Department of Microbiology and Immunology, McGill University, Montreal, Quebec, Canada
- The Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Hamad Bin Rashid
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Shakera Sadiq Gill
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Chanda Jabeen
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Nimra Arshad
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Gulshan Umbreen
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Marcel A. Behr
- Department of Microbiology and Immunology, McGill University, Montreal, Quebec, Canada
- The Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
- Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Vivek Kapur
- Department of Animal Science, The Pennsylvania State University, University Park, Pennsylvania, USA
- The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Mamoona Chaudhry
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
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Li P, Wang R, Dong WQ, Wang GY, Zhang AD, Chen HC, Tan C. Systemic neutrophils are triggered by respiratory Bacillus Calmette- Guérin and mediate pulmonary mycobacterial clearance in synergy with the triggering receptor expressed on myeloid cells 1. Microb Pathog 2024; 187:106535. [PMID: 38176463 DOI: 10.1016/j.micpath.2024.106535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/26/2023] [Accepted: 01/02/2024] [Indexed: 01/06/2024]
Abstract
Tuberculosis remains a threat to public health. The only approved vaccine, Bacillus Calmette-Guérin (BCG), is administered intradermally and provides limited protection, and its effect on innate immunity via the respiratory route has not been fully elucidated. A mouse model with genetically depleted TREM1 and seven-color flow cytometry staining were used to characterize the comprehensive immune response induced by respiratory BCG, through evaluating organ bacterial loads, lung histopathology, and lung immunohistochemistry. During respiratory BCG infection, the murine lungs displayed effective bacterial clearance. Notably, marked differences in neutrophils were observed between thymus and bone marrow cells, characterized by a significant increase in the expression of the triggering receptor expressed on myeloid cells 1 (TREM1). Subsequently, upon depletion of TREM1, a reduction in pulmonary neutrophils was observed, which further exacerbated bacterial loads and resulted in worsened pathology following respiratory BCG infection. In summary, up-regulated expression of TREM1 in rapidly increasing circulating neutrophil by pulmonary BCG is required for an efficient host response to BCG infection, and suggests the important role of TREM1 in neutrophil-related pulmonary bacteria clearance and pathology.
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Affiliation(s)
- Pei Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China; Systematic Immunology of Tuberculosis, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, Shenzhen, China
| | - Rui Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China; Department of Experimental Animal Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Wen-Qi Dong
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Gao-Yan Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - An-Ding Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Huan-Chun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Chen Tan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.
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35
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Holder T, Srinivasan S, McGoldrick A, Williams GA, Palmer S, Clarke J, O'Brien A, Conlan AJK, Juleff N, Vordermeier HM, Jones GJ, Kapur V. Temporal dynamics of the early immune response following Mycobacterium bovis infection of cattle. Sci Rep 2024; 14:2600. [PMID: 38297023 PMCID: PMC10831113 DOI: 10.1038/s41598-024-52314-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 01/17/2024] [Indexed: 02/02/2024] Open
Abstract
Bovine tuberculosis is an infectious disease of global significance that remains endemic in many countries. Mycobacterium bovis infection in cattle is characterized by a cell-mediated immune response (CMI) that precedes humoral responses, however the timing and trajectories of CMI and antibody responses determined by newer generation assays remain undefined. Here we used defined-antigen interferon-gamma release assays (IGRA) and an eleven-antigen multiplex ELISA (Enferplex TB test) alongside traditional tuberculin-based IGRA and IDEXX M. bovis antibody tests to assess immune trajectories following experimental M. bovis infection of cattle. The results show CMI responses developed as early as two-weeks post-infection, with all infected cattle testing positive three weeks post-infection. Interestingly, 6 of 8 infected animals were serologically positive with the Enferplex TB assay as early as 4 weeks post-infection. As expected, application of the tuberculin skin test enhanced subsequent serological reactivity. Infrequent M. bovis faecal shedding was observed but was uncorrelated with observed immune trajectories. Together, the results show that early antibody responses to M. bovis infection are detectable in some individuals and highlight an urgent need to identify biomarkers that better predict infection outcomes, particularly for application in low-and-middle income countries where test-and-slaughter based control methods are largely unfeasible.
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Affiliation(s)
- Thomas Holder
- Animal and Plant Health Agency, Bacteriology, Addlestone, UK
| | - Sreenidhi Srinivasan
- The Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA
| | | | | | | | - John Clarke
- Enfer Scientific, Unit T, M7 Business Park, Newhall, Naas, County Kildare, Ireland
| | - Amanda O'Brien
- Enfer Scientific, Unit T, M7 Business Park, Newhall, Naas, County Kildare, Ireland
| | - Andrew J K Conlan
- Disease Dynamics Unit, Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Nick Juleff
- The Bill & Melinda Gates Foundation, Seattle, WA, USA
| | | | - Gareth J Jones
- Animal and Plant Health Agency, Bacteriology, Addlestone, UK.
| | - Vivek Kapur
- The Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA, USA
- Department of Animal Science, The Pennsylvania State University, University Park, PA, USA
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Ferreras-Colino E, Contreras M, Risalde MA, Sevilla IA, Delgado E, Domínguez L, Gortazar C, de la Fuente J. Heat-inactivated mycobacteria activate the toll-like receptor 2 and 4 pathways in the zebrafish model of tuberculosis. Vaccine 2024; 42:403-409. [PMID: 38184390 DOI: 10.1016/j.vaccine.2023.12.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 12/01/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
Based on previous evidence demonstrating the efficacy of inactivated mycobacteria for the control of fish mycobacteriosis, we explored the protective efficacy of two inactivated Mycobacterium bovis administered via parenteral and mucosal routes against Mycobacterium marinum infection mimicking natural conditions in the zebrafish model of tuberculosis. Although we did not observe a clear effect of any of the immunostimulants on mycobacterial burden, the results showed a significant increase in TLR2 and TLR4 gene expression levels in fishes parenterally immunized with inactivated Bacillus Calmette-Guérin (BCG). Our findings demonstrated that the TLR2 and the TLR4 signaling pathways are involved in the immune response elicited by inactivated mycobacteria in the zebrafish model of tuberculosis and support the use of inactivated mycobacteria in vaccine formulations for the control of mycobacteriosis.
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Affiliation(s)
- Elisa Ferreras-Colino
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Marinela Contreras
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - María A Risalde
- Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, Grupo de Investigación GISAZ, UIC Zoonosis y Enfermedades Emergentes ENZOEM, Universidad de Córdoba, Córdoba, Spain; CIBERINFEC, ISCIII - CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
| | - Iker A Sevilla
- Animal Health Department, NEIKER - Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Derio, Bizkaia 48160, Spain
| | - Encarnación Delgado
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo 12, Ciudad Real 13005, Spain
| | - Lucas Domínguez
- VISAVET Health Surveillance Center. Universidad Complutense de Madrid, Madrid, Spain
| | - Christian Gortazar
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo 12, Ciudad Real 13005, Spain.
| | - Jose de la Fuente
- SaBio, Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo 12, Ciudad Real 13005, Spain; Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078, USA
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Rodríguez-Fernández P, Romero-Andrada I, Molina-Moya B, Latorre I, Lacoma A, Prat-Aymerich C, Tabernero L, Domínguez J. Impact of diesel exhaust particles on infections with Mycobacterium bovis BCG in in vitro human macrophages and an in vivo Galleria mellonella model. Environ Pollut 2024; 341:122597. [PMID: 37741543 PMCID: PMC10804993 DOI: 10.1016/j.envpol.2023.122597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/23/2023] [Accepted: 09/19/2023] [Indexed: 09/25/2023]
Abstract
There are strong suggestions for a link between pulmonary tuberculosis (TB) and air quality. Diesel exhaust is one of the main contributors to pollution and it is reported to be able to modify susceptibility to lung infections. In this study we exposed THP-1 human macrophages and Mycobacterium bovis BCG to diesel exhaust particles (DEPs). High cytotoxicity and activation of apoptosis was found in THP-1 cells at 3 and 6 days, but no effect was found on the growth of M. bovis BCG. Infection of THP-1 cells exposed to a non-cytotoxic DEP concentration showed a limited capacity to engulf latex beads. However, M. bovis BCG infection of macrophages did not result in an increase in the bacterial burden, but it did result in an increase in the bacteria recovered from the extracellular media, suggesting a poor contention of M. bovis BCG. We also observed that DEP exposure limited the production of cytokines. Using the Galleria mellonella model of infection, we observed that larvae exposed to low levels of DEPs were less able to survive after infection with M. bovis BCG and had a higher internal bacterial load after 4 days of infection. Unraveling the links between air pollution and impairment of human antimycobacterial immunity is vital, because pollution is rapidly increasing in areas where TB incidence is extremely high.
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Affiliation(s)
- Pablo Rodríguez-Fernández
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain; Core Technology Facility, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK.
| | - Iris Romero-Andrada
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain
| | - Bárbara Molina-Moya
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain
| | - Irene Latorre
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain
| | - Alícia Lacoma
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain
| | - Cristina Prat-Aymerich
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain
| | - Lydia Tabernero
- Core Technology Facility, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK; Lydia Becker Institute for Immunology and Inflammation, University of Manchester, Manchester, UK
| | - José Domínguez
- Germans Trias i Pujol Research Institute (IGTP), CIBER Enfermedades Respiratorias (CIBERES), Universitat Autònoma de Barcelona, Barcelona, Badalona, Spain.
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Luo J, Tian Z, Song F, Ren C, Liu W. Dual-specificity phosphatase 5-mediated fatty acid oxidation promotes Mycobacterium bovis BCG -induced inflammatory responses. Exp Cell Res 2024; 434:113869. [PMID: 38049081 DOI: 10.1016/j.yexcr.2023.113869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 12/06/2023]
Abstract
Mycobacterium tuberculosis (Mtb) reprograms FAs metabolism of macrophages during infection and affects inflammatory reaction eventually, however, the mechanism remains poorly understood. Here we show that Mycobacterium bovis (BCG) induces DUSP5 expression through TLR2-MAPKs signaling pathway and promotes fatty acid oxidation (FAO). Silencing DUSP5 by adeno-associated virus vector (AAV) ameliorates lung injury and DUSP5 knockdown reduces the expression of IL-1β, IL-6 and inactivated NF-κB signaling in BCG-infected macrophages. Of note, DUSP5 specific siRNA increases the content of free fatty acids (FFAs) and triglyceride (TG), but represses the expression of FAO associated enzymes such as CPT1A and PPARα, suggesting DUSP5 mediated FAO during BCG infection. Moreover, Inhibiting FAO by pharmacological manner suppresses IL-1β, IL-6, TNF-α expression and relieves lung damage. Taken together, our data indicates DUSP5 mediates FAO reprogramming and promotes inflammatory response to BCG infection.
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Affiliation(s)
- Jia Luo
- Institute of Medical Sciences, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China; General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Zengjian Tian
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Fuyang Song
- College of Life Science, Ningxia University, Yinchuan, Ningxia, 750021, China
| | - Chao Ren
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China
| | - Wenmiao Liu
- General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China; The Center of Laboratory Medicine, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, 750004, China.
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Sarno A, Leite A, Augusto C, Muller I, de Ângelis L, Pimentel L, Queiroz A, Arruda S. Impaired macrophage and memory T-cell responses to Bacillus Calmette-Guerin nonpolar lipid extract. Front Immunol 2024; 14:1263352. [PMID: 38274831 PMCID: PMC10808680 DOI: 10.3389/fimmu.2023.1263352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 12/26/2023] [Indexed: 01/27/2024] Open
Abstract
Introduction The attenuation of BCG has led to the loss of not only immunogenic proteins but also lipid antigens. Methods Thus, we compared the macrophage and T-cell responses to nonpolar lipid extracts harvested from BCG and Mycobacterium tuberculosis (Mtb) to better understand the role of BCG lipids in the already known diminished responses of the vaccine strain. Results Relative to Mtb, nonpolar lipid extract from BCG presented a reduced capacity to trigger the expression of the genes encoding TNF, IL-1b, IL-6 and IL-10 in RAW 264.7 macrophages. Immunophenotyping of PBMCs isolated from healthy individuals revealed that lipids from both BCG and Mtb were able to induce an increased frequency of CD4+ and CD8+ T cells, but only the lipid extract from Mtb enhanced the frequency of CD4-CD8-double-negative, γσ+, CD4+HLA-DR+, and γσ+HLA-DR+ T cells relative to the nonstimulated control. Interestingly, only the Mtb lipid extract was able to increase the frequency of CD4+ memory (CD45RO+) T cells, whereas the BCG lipid extract induced a diminished frequency of CD4+ central memory (CD45RO+CCR7-) T cells after 48 h of culture compared to Mtb. Discussion These findings show that the nonpolar lipids of the BCG bacilli presented diminished ability to trigger both proinflammatory and memory responses and suggest a potential use of Mtb lipids as adjuvants to increase the BCG vaccine efficacy.
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Affiliation(s)
- Alice Sarno
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
- Department of Pathology and Forensic Medicine, Faculty of Medicine, Federal University of Bahia, Salvador, Brazil
| | - Avelina Leite
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
| | - Carlos Augusto
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
| | - Igor Muller
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
| | - Luanna de Ângelis
- Laboratory of Immunoepidemiology, Aggeu Magalhães Institute, Fiocruz, Recife, Brazil
| | - Lilian Pimentel
- Laboratory of Immunoepidemiology, Aggeu Magalhães Institute, Fiocruz, Recife, Brazil
| | - Adriano Queiroz
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
| | - Sergio Arruda
- Advanced Laboratory of Public Health, Gonçalo Moniz Institute, Fiocruz, Salvador, Brazil
- Department of Life Sciences, State University of Bahia, Salvador, Brazil
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Suen TK, Moorlag SJCFM, Li W, de Bree LCJ, Koeken VACM, Mourits VP, Dijkstra H, Lemmers H, Bhat J, Xu CJ, Joosten LAB, Schultze JL, Li Y, Placek K, Netea MG. BCG vaccination induces innate immune memory in γδ T cells in humans. J Leukoc Biol 2024; 115:149-163. [PMID: 37672677 DOI: 10.1093/jleuko/qiad103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/08/2023] Open
Abstract
Bacillus Calmette-Guérin vaccine is well known for inducing trained immunity in myeloid and natural killer cells, which can explain its cross-protective effect against heterologous infections. Although displaying functional characteristics of both adaptive and innate immunity, γδ T-cell memory has been only addressed in a pathogen-specific context. In this study, we aimed to determine whether human γδ T cells can mount trained immunity and therefore contribute to the cross-protective effect of the Bacillus Calmette-Guérin vaccine. We investigated in vivo induction of innate memory in γδ T cells by Bacillus Calmette-Guérin vaccination in healthy human volunteers by combining single-cell RNA sequencing technology with immune functional assays. The total number of γδ T cells and membrane markers of activation was not influenced by Bacillus Calmette-Guérin vaccination. In contrast, Bacillus Calmette-Guérin changed γδ T cells' transcriptional programs and increased their responsiveness to heterologous bacterial and fungal stimuli, including lipopolysaccharide and Candida albicans, as simultaneously characterized by higher tumor necrosis factor and interferon γ production, weeks after vaccination. Human γδ T cells in adults display the potential to develop a trained immunity phenotype after Bacillus Calmette-Guérin vaccination.
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Affiliation(s)
- Tsz K Suen
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Simone J C F M Moorlag
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
| | - Wenchao Li
- Department of Computational Biology of Individualized Medicine, Centre for Individualized Infection Medicine (CiiM), a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Straße 7, 30625 Hannover, Germany
- TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Str. 7, 30625 Hannover, Germany
| | - L Charlotte J de Bree
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
| | - Valerie A C M Koeken
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
- Department of Computational Biology of Individualized Medicine, Centre for Individualized Infection Medicine (CiiM), a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Straße 7, 30625 Hannover, Germany
| | - Vera P Mourits
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
| | - Helga Dijkstra
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
| | - Heidi Lemmers
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
| | - Jaydeep Bhat
- Institute of Immunology, Christian-Albrechts-University Kiel & University Hospital Schleswig-Holstein, Campus Kiel, Arnold-Heller-Straße 3, 24105 Kiel, Germany
| | - Cheng-Jian Xu
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
- Department of Computational Biology of Individualized Medicine, Centre for Individualized Infection Medicine (CiiM), a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Straße 7, 30625 Hannover, Germany
- TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Str. 7, 30625 Hannover, Germany
| | - Leo A B Joosten
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
- Department of Medical Genetics, Iuliu Haţieganu University of Medicine and Pharmacy, Strada Victor Babeș 8, Cluj-Napoca 400347, Romania
| | - Joachim L Schultze
- Department of Genomics and Immunoregulation, Life and Medical Sciences Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
- Platform for Single Cell Genomics and Epigenomics at the German Center for Neurodegenerative Diseases, University of Bonn, Venusberg-Campus 1/9953127, Bonn, Germany
| | - Yang Li
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
- Department of Computational Biology of Individualized Medicine, Centre for Individualized Infection Medicine (CiiM), a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Straße 7, 30625 Hannover, Germany
- TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Hannover Medical School and the Helmholtz Centre for Infection Research, Feodor-Lynen-Str. 7, 30625 Hannover, Germany
| | - Katarzyna Placek
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
| | - Mihai G Netea
- Department of Molecular Immunology and Cell Biology, Life and Medical Sciences Institute, University of Bonn, Carl-Troll-Straße 31, 53115 Bonn, Germany
- Department of Internal Medicine and Radboud Center for Infectious Diseases, Radboud University Medical Center, Geert Grooteplein Zuid 8, 6525 GA Nijmegen, Netherlands
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Xu A, Yang K, Xu J, Meng X, Liang Q, Huang B, Yang Y, Song H. Mycobacterial PE12 protein promotes bacterial survival through inhibiting cell apoptosis. Vet Microbiol 2024; 288:109922. [PMID: 38086162 DOI: 10.1016/j.vetmic.2023.109922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 10/03/2023] [Accepted: 11/19/2023] [Indexed: 12/30/2023]
Abstract
Mycobacterial PE_PGRS family proteins play key roles in pathogen-host interaction. However, the function of most PE_PGRS proteins remains unknown. In this study, we characterized the role of PE12 of Mycobacterium bovis (M. bovis) on bacterial growth, bacterial survival, and host cell apoptosis. Transcriptome sequencing of infected THP-1 cells was also performed. Compared to Ms_Vec, we found that M. bovis PE12 did not alter the colony morphology of M. smegmatis. The survival of Ms_PE12 was obviously higher than that of Ms_Vec. Furthermore, PE12 significantly suppressed the apoptosis of THP-1 induced by M. smegmatis infection. Transcriptome analysis results showed that there were 70 downregulated genes in the Ms_PE12 infection group in comparison with the Ms_Vec infection group, and these differentially expressed genes were enriched in 240 downregulated GO terms and 6 KEGG pathways. The downregulated expression genes are involved in cell adhesion, phagocytosis, apoptosis, inflammatory response, glycolysis and transmembrane transporter activity. Taken together, our study reveals that PE12 can suppress apoptosis and inhibit proinflammatory cytokine response. We propose that PE12 is related to macrophage phagocytosis and apoptosis, providing useful information to the pathogenic mechanisms of M. bovis.
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Affiliation(s)
- Ahui Xu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Ke Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Jinxia Xu
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Xiangmiao Meng
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Qiuyun Liang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Bei Huang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China
| | - Yang Yang
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China.
| | - Houhui Song
- Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, Zhejiang Provincial Engineering Research Center for Animal Health Diagnostics & Advanced Technology, Zhejiang International Science and Technology Cooperation Base for Veterinary Medicine and Health Management, China-Australia Joint Laboratory for Animal Health Big Data Analytics, College of Animal Science and Technology & College of Veterinary Medicine of Zhejiang A&F University, 666 Wusu Street, Lin'an District, Hangzhou, Zhejiang Province 311300, China.
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Flores-Valdez MA, Velázquez-Fernández JB, Pedroza-Roldán C, Aceves-Sánchez MDJ, Gutiérrez-Ortega A, López-Romero W, Barba-León J, Rodríguez-Campos J. Proteome and immunogenicity differences in BCG Pasteur ATCC 35734 and its derivative, the vaccine candidate BCGΔBCG1419c during planktonic growth in 7H9 and Proskauer Beck media. Tuberculosis (Edinb) 2024; 144:102432. [PMID: 38041962 DOI: 10.1016/j.tube.2023.102432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/08/2023] [Accepted: 11/20/2023] [Indexed: 12/04/2023]
Abstract
Bacillus Calmette-Guèrin (BCG) remains as the only vaccine employed to prevent tuberculosis (TB) during childhood. Among factors likely contributing to the variable efficacy of BCG is the modification in its antigenic repertoire that may arise from in vitro growth conditions. Our vaccine candidate, BCGΔBCG1419c, improved protection against TB in mice and guinea pigs with bacteria grown in either 7H9 OADC Tween 80 or in Proskauer Beck Tween 80 media in independent studies. Here, we compared the proteomes of planktonic cultures of BCG and BCGΔBCG1419c, grown in both media. Further to this, we compared systemic immunogenicity ex vivo elicited by both types of BCG strains and cultures when used to vaccinate BALB/c mice. Both the parental strain BCG Pasteur ATCC 35734, and its isogenic mutant BCGΔBCG1419c, had several medium-dependent changes. Moreover, ex vivo immune responses to a multiantigenic (PPD) or a single antigenic (Ag85A) stimulus were also medium-dependent. Then, not only the presence or absence of the BCG1419c gene in our strains under study affected the proteome produced in vitro but also that this was affected by culture medium, potentially leading to changes in the capacity to induce ex vivo immune responses.
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Affiliation(s)
- Mario Alberto Flores-Valdez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de la Normal, Guadalajara, Jalisco, 44270, Mexico.
| | | | - César Pedroza-Roldán
- Departamento de Medicina Veterinaria, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Zapopan, Mexico.
| | - Michel de Jesús Aceves-Sánchez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de la Normal, Guadalajara, Jalisco, 44270, Mexico.
| | - Abel Gutiérrez-Ortega
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de la Normal, Guadalajara, Jalisco, 44270, Mexico.
| | - Wendy López-Romero
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de la Normal, Guadalajara, Jalisco, 44270, Mexico.
| | - Jeannette Barba-León
- Departamento de Salud Pública, Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Zapopan, Jalisco, 45200, Mexico.
| | - Jacobo Rodríguez-Campos
- Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco (CIATEJ), A. C., Unidad de Servicios Analíticos y Metrológicos, Av. Normalistas 800, Col. Colinas de la Normal, 44270, Guadalajara, Jalisco, Mexico.
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Pandey A, Feuka AB, Cosgrove M, Moriarty M, Duffiney A, VerCauteren KC, Campa H, Pepin KM. Wildlife vaccination strategies for eliminating bovine tuberculosis in white-tailed deer populations. PLoS Comput Biol 2024; 20:e1011287. [PMID: 38175850 DOI: 10.1371/journal.pcbi.1011287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 01/17/2024] [Accepted: 12/12/2023] [Indexed: 01/06/2024] Open
Abstract
Many pathogens of humans and livestock also infect wildlife that can act as a reservoir and challenge disease control or elimination. Efficient and effective prioritization of research and management actions requires an understanding of the potential for new tools to improve elimination probability with feasible deployment strategies that can be implemented at scale. Wildlife vaccination is gaining interest as a tool for managing several wildlife diseases. To evaluate the effect of vaccinating white-tailed deer (Odocoileus virginianus), in combination with harvest, in reducing and eliminating bovine tuberculosis from deer populations in Michigan, we developed a mechanistic age-structured disease transmission model for bovine tuberculosis with integrated disease management. We evaluated the impact of pulse vaccination across a range of vaccine properties. Pulse vaccination was effective for reducing disease prevalence rapidly with even low (30%) to moderate (60%) vaccine coverage of the susceptible and exposed deer population and was further improved when combined with increased harvest. The impact of increased harvest depended on the relative strength of transmission modes, i.e., direct vs indirect transmission. Vaccine coverage and efficacy were the most important vaccine properties for reducing and eliminating disease from the local population. By fitting the model to the core endemic area of bovine tuberculosis in Michigan, USA, we identified feasible integrated management strategies involving vaccination and increased harvest that reduced disease prevalence in free-ranging deer. Few scenarios led to disease elimination due to the chronic nature of bovine tuberculosis. A long-term commitment to regular vaccination campaigns, and further research on increasing vaccines efficacy and uptake rate in free-ranging deer are important for disease management.
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Affiliation(s)
- Aakash Pandey
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, United States of America
| | - Abigail B Feuka
- National Wildlife Research Center, Wildlife Services, Animal and Plant Health Inspection Service, United States Department of Agriculture, Fort Collins, Colorado, United States of America
| | - Melinda Cosgrove
- Wildlife Disease Laboratory, Wildlife Division, Michigan Department of Natural Resources, Lansing, Michigan, United States of America
| | - Megan Moriarty
- Wildlife Disease Laboratory, Wildlife Division, Michigan Department of Natural Resources, Lansing, Michigan, United States of America
| | - Anthony Duffiney
- Wildlife Services, Animal and Plant Health Inspection Service, United States Department of Agriculture, Okemos, Michigan, United States of America
| | - Kurt C VerCauteren
- National Wildlife Research Center, Wildlife Services, Animal and Plant Health Inspection Service, United States Department of Agriculture, Fort Collins, Colorado, United States of America
| | - Henry Campa
- Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, United States of America
| | - Kim M Pepin
- National Wildlife Research Center, Wildlife Services, Animal and Plant Health Inspection Service, United States Department of Agriculture, Fort Collins, Colorado, United States of America
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Jawahar A, Dhinakar Raj G, Pazhanivel N, Karthik K. Gross and histopathological features of tuberculosis in cattle, buffalo and spotted deer (Axis axis) caused by Mycobacterium orygis. J Comp Pathol 2024; 208:15-19. [PMID: 38042037 DOI: 10.1016/j.jcpa.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/19/2023] [Accepted: 10/27/2023] [Indexed: 12/04/2023]
Abstract
Mycobacterium orygis has been isolated from several cases of tuberculosis in various species of animal in India but documentation of the histopathological lesions caused by this organism is scant. Lung and liver tissues with caseous nodules from cattle (n = 8), lung samples from spotted deer (Axis axis) (n = 5) and lung and mediastinal lymph node samples from buffalo (n = 9) were subjected to histopathology and isolation of Mycobacterium spp. Isolation was carried out using the BACTEC MGIT 960 Automated Mycobacterial Detection System and acid-fast positive cultures were identified to species level using polymerase chain reaction (PCR) employing published primer pairs. Three M. orygis isolates (two from cattle, one from deer) were obtained, whole genome sequenced and the sequences submitted to the National Center for Biotechnology Information Sequence Read Archive. Eight samples (four cattle, one deer and three buffalo) were confirmed as M. orygis positive by PCR. Histopathological examination of the M. orygis-PCR-positive cattle samples revealed acid-fast organisms in lung sections along with macrophages, epithelioid cells, lymphocytes and Langhans giant cells. Granuloma stages I to IV were seen in the cattle and buffalo samples and stage III in the spotted deer sample. This report is the first description of the gross and histopathological lesions of tuberculosis caused by M. orygis in buffalo and documents the gross and histopathological findings of M. orygis tuberculosis in cattle and deer.
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Affiliation(s)
- Ayyaru Jawahar
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai 600 007, India
| | - Gopal Dhinakar Raj
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai 600 007, India.
| | - Natesan Pazhanivel
- Department of Veterinary Pathology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai 600 007, India
| | - Kumaragurubaran Karthik
- Department of Veterinary Microbiology, Veterinary College and Research Institute, Udumalpet 642205, Tamil Nadu, India
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de Pinho RB, Barbosa TN, Dall'Agno L, da Rocha Fonseca B, Bezerra FSB, Sousa FSS, Seixas FK, Collares T, Borsuk S. Mycobacterium bovis BCG expressing the proteins CP40 or CP09720 of Corynebacterium pseudotuberculosis promotes protection in mice after challenge. Vaccine 2024; 42:33-39. [PMID: 38044246 DOI: 10.1016/j.vaccine.2023.11.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/23/2023] [Indexed: 12/05/2023]
Abstract
In this study, we assessed the survival and immune response of mice vaccinated with recombinant Mycobacterium bovis BCG Pasteur that expressed the CP40 or CP09720 proteins after the mice were challenged with a C. pseudotuberculosis MIC-6 virulent strain. Six groups of mice (n = 10 mice per group) were immunised with a sterile 0.9% saline solution (G1), 106 CFU of M. bovis BCG Pasteur (G2), 106 CFU of M. bovis BCG/cp40 (G3), 106 CFU of M. bovis BCG/cp09720 (G4), M. bovis BCG/cp40 boosted with rCP40 (G5), and M. bovis BCG/cp09720 boosted with rCP09720 (G6). The highest survival rate of 90% was observed in the G5 group, followed by 80% in the G6 group and 70% in the G3 and G4 groups. Moreover, a significantly greater induction of IFN-γ and IL-10 was found in the G3 group and higher IL-17 levels were recorded in the G5 group compared to their levels in the control group (G1) (p < 0.05). A specific humoral immune response (total IgG) was found in the G5 and G6 groups on day 42 compared to the level of response in the G1 group. These results indicated that the vector vaccine elicited significantly greater survival of mice in all experimental groups after a strong virulent challenge and induced a strong immune response.
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Affiliation(s)
- Rodrigo Barros de Pinho
- Laboratório de Biotecnologia Infecto-Parasitária, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Tallyson Nogueira Barbosa
- Laboratório de Biotecnologia Infecto-Parasitária, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Laura Dall'Agno
- Laboratório de Biotecnologia Infecto-Parasitária, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Bárbara da Rocha Fonseca
- Laboratório de Biotecnologia Infecto-Parasitária, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Francisco Silvestre Brilhante Bezerra
- Laboratório de Biotecnologia Aplicada a Doenças Infecto-Parasitárias, Centro de Ciências Biológicas e da Saúde, Universidade Rural do Semiárido, Mossoró, Brazil
| | - Fernanda Severo Sabedra Sousa
- Laboratório de Biotecnologia do Câncer, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Fabiana Kommling Seixas
- Laboratório de Biotecnologia do Câncer, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Tiago Collares
- Laboratório de Biotecnologia do Câncer, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil
| | - Sibele Borsuk
- Laboratório de Biotecnologia Infecto-Parasitária, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, Brazil.
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Lee SY, Lee YH, Kim TM, Ha US. Longitudinal Transcription Profiling of Bladder Cancers Dictate the Response to BCG Treatment and Disease Progression. Int J Mol Sci 2023; 25:144. [PMID: 38203315 PMCID: PMC10778820 DOI: 10.3390/ijms25010144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Although the intravesical instillation of Bacillus Calmette-Guerin (BCG) is widely used as adjuvant treatment for nonmuscle-invasive bladder cancers, the clinical benefit is variable across patients, and the molecular mechanisms underlying the sensitivity to BCG administration and disease progression are poorly understood. To establish the molecular signatures that predict the responsiveness and disease progression of bladder cancers treated with BCG, we performed transcriptome sequencing (RNA-seq) for 13 treatment-naïve and 22 post-treatment specimens obtained from 14 bladder cancer patients. To overcome disease heterogeneity, we used non-negative matrix factorization to identify the latent molecular features associated with drug responsiveness and disease progression. At least 12 molecular features were present, among which the immune-related feature was associated with drug responsiveness, indicating that pre-treatment anti-cancer immunity might dictate BCG responsiveness. We also identified disease progression-associated molecular features indicative of elevated cellular proliferation in post-treatment specimens. The progression-associated molecular features were validated in an extended cohort of BCG-treated bladder cancers. Our study advances understanding of the molecular mechanisms of BCG activity in bladder cancers and provides clinically relevant gene markers for evaluating and monitoring patients.
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Affiliation(s)
- Seo-Young Lee
- Department of Medical Informatics, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea;
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea
| | - Yun-Hee Lee
- Department of Urology, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea;
| | - Tae-Min Kim
- Department of Medical Informatics, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea;
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea
- Department of Biomedicine & Health Sciences, Graduate School, The Catholic University of Korea, Seoul 03083, Republic of Korea
| | - U-Syn Ha
- Cancer Research Institute, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea
- Department of Urology, College of Medicine, The Catholic University of Korea, Seoul 03083, Republic of Korea;
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Silver RF, Xia M, Storer CE, Jarvela JR, Moyer MC, Blazevic A, Stoeckel DA, Rakey EK, Tennant JM, Goll JB, Head RD, Hoft DF. Distinct gene expression signatures comparing latent tuberculosis infection with different routes of Bacillus Calmette-Guérin vaccination. Nat Commun 2023; 14:8507. [PMID: 38129388 PMCID: PMC10739751 DOI: 10.1038/s41467-023-44136-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 12/01/2023] [Indexed: 12/23/2023] Open
Abstract
Tuberculosis remains an international health threat partly because of limited protection from pulmonary tuberculosis provided by standard intradermal vaccination with Bacillus of Calmette and Guérin (BCG); this may reflect the inability of intradermal vaccination to optimally induce pulmonary immunity. In contrast, respiratory Mycobacterium tuberculosis infection usually results in the immune-mediated bacillary containment of latent tuberculosis infection (LTBI). Here we present RNA-Seq-based assessments of systemic and pulmonary immune cells from LTBI participants and recipients of intradermal and oral BCG. LTBI individuals uniquely display ongoing immune activation and robust CD4 T cell recall responses in blood and lung. Intradermal BCG is associated with robust systemic immunity but only limited pulmonary immunity. Conversely, oral BCG induces limited systemic immunity but distinct pulmonary responses including enhanced inflammasome activation potentially associated with mucosal-associated invariant T cells. Further, IL-9 is identified as a component of systemic immunity in LTBI and intradermal BCG, and pulmonary immunity following oral BCG.
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Affiliation(s)
- Richard F Silver
- Division of Pulmonary, Critical Care and Sleep Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA.
- Pulmonary and Critical Care Medicine, The Louis Stokes Cleveland Department of Veterans' Affairs Medical Center, Cleveland, OH, USA.
| | - Mei Xia
- Division of Infectious Diseases, Allergy & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
- Center for Vaccine Development, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Chad E Storer
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Jessica R Jarvela
- Division of Pulmonary, Critical Care and Sleep Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Pulmonary and Critical Care Medicine, The Louis Stokes Cleveland Department of Veterans' Affairs Medical Center, Cleveland, OH, USA
| | - Michelle C Moyer
- Division of Pulmonary, Critical Care and Sleep Medicine, Case Western Reserve University School of Medicine, Cleveland, OH, USA
- Pulmonary and Critical Care Medicine, The Louis Stokes Cleveland Department of Veterans' Affairs Medical Center, Cleveland, OH, USA
| | - Azra Blazevic
- Division of Infectious Diseases, Allergy & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
- Center for Vaccine Development, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - David A Stoeckel
- Division of Pulmonary, Critical Care and Sleep Medicine, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Erin K Rakey
- Division of Pulmonary, Critical Care and Sleep Medicine, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Jan M Tennant
- Division of Infectious Diseases, Allergy & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | | | - Richard D Head
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Daniel F Hoft
- Division of Infectious Diseases, Allergy & Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA.
- Center for Vaccine Development, Saint Louis University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology & Immunology Saint Louis University School of Medicine, St. Louis, MO, USA.
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郭 佳, 邱 燕, 胡 璨, 李 岱, 杜 永. [Characterization of a 3-dimensional tuberculosis spheroid model constructed using human monocytic THP-1 cells and Bacillus Calmette-Guerin]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:2095-2102. [PMID: 38189396 PMCID: PMC10774115 DOI: 10.12122/j.issn.1673-4254.2023.12.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Indexed: 01/09/2024]
Abstract
OBJECTIVE To establish a 3-dimensional tuberculosis spheroid model for studying the formation and characteristics of tuberculous granuloma in vivo. METHODS Human myeloid leukemia mononuclear THP-1 cells and Bacillus Calmette-Guerin (BCG) were mixed in a 3D cell culture plate and co-cultured in the presence of PMA for 3 days. The growth of the spheroid was examined every 24 h, and the distribution of bacteria, cell survival rate, transformation of the monocytes into macrophages, and penetration of fluorescently labeled nanoparticles into the cell spheroids and tuberculosis spheroids were observed using confocal laser scanning microscopy. The BCG and cell architecture within the 3D tuberculosis spheroid was observed using transmission electron microscopy. Image-iTTM red hypoxia probe, H2O2 test kit, and a waterproof pen PH meter were used to detect the differences in the microenvironment between BCG-infected and non-infected 3D tuberculous spheroids. The utility of this 3D tuberculous spheroids for assessing antibiotic effects of rifampicin and levofloxacin was evaluated by plate colony counting. RESULTS In the cell-bacterial suspensions, stable 3-D tuberculous spheroids (50-200 μm) occurred slowly, in which the cells adhered tightly with numerous bacteria in the center, and necrotic cells and monocytederived macrophages were seen within the spheroids. Drug penetration was difficult in the 3D tuberculous spheroids as compared with the non-infected cell spheroids. Transmission electron microscopy revealed the presence of cell necrosis and a large number of BCG in the macrophages in the tuberculous spheroids. The tuberculosis spheroid had a more hypoxic microenvironment than the non-infected cell spheroids with higher H2O2 content and nearly a neutral PH. The tuberculous spheroid model was capable of evaluating the efficacy of anti-tuberculosis drugs, and among them rifampicin showed a stronger antibacterial effect. CONCLUSION The 3-D tuberculous spheroid model established in this study provides a useful platform for studies of tuberculous granuloma.
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Affiliation(s)
- 佳俊 郭
- 重庆医科大学生物医学工程学院,重庆 400016School of Biomedical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- 重庆医科大学超声医学工程国家重点实验室,重庆 400016State Key Laboratory of Ultrasound Medical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - 燕 邱
- 重庆医科大学生物医学工程学院,重庆 400016School of Biomedical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- 重庆医科大学超声医学工程国家重点实验室,重庆 400016State Key Laboratory of Ultrasound Medical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - 璨 胡
- 重庆医科大学生物医学工程学院,重庆 400016School of Biomedical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- 重庆医科大学超声医学工程国家重点实验室,重庆 400016State Key Laboratory of Ultrasound Medical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - 岱容 李
- 重庆医科大学附属第一医院呼吸与危重症医学科,重庆 400016Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - 永洪 杜
- 重庆医科大学生物医学工程学院,重庆 400016School of Biomedical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
- 重庆医科大学超声医学工程国家重点实验室,重庆 400016State Key Laboratory of Ultrasound Medical Engineering, First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
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49
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Loeb J. Hopes for bovine TB vaccination in UK. Vet Rec 2023; 193:466. [PMID: 38100700 DOI: 10.1002/vetr.3767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
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50
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Sakurai Y, Furuto Y, Saito T, Namikawa A, Takahashi H, Shibuya Y. Disseminated Bacillus Calmette-Guérin Infection with Rhabdomyolysis, Acute Kidney Injury, and Interstitial Pneumonia after Bacillus Calmette-Guérin Intravesical Instillation Therapy. Intern Med 2023; 62:3707-3712. [PMID: 37164678 PMCID: PMC10781554 DOI: 10.2169/internalmedicine.1413-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 03/21/2023] [Indexed: 05/12/2023] Open
Abstract
A 79-year-old man experienced a fever and immobility after receiving 6 doses of Bacillus Calmette-Guérin (BCG) intravesical instillation therapy for bladder tumor. Rhabdomyolysis and acute kidney injury occurred; therefore, hemodialysis was performed. His kidney function was restored. However, he exhibited an inflammatory reaction that was resistant to broad-spectrum antibiotics and eventually developed interstitial pneumonia. Corticosteroid treatment partially relieved the symptoms of interstitial pneumonia, although disuse syndrome persisted. He was diagnosed with disseminated BCG infection through sputum culture. BCG infection shows various symptoms and is difficult to diagnose microbiologically. It should be suspected when systemic symptoms occur after BCG intravesical instillation therapy.
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Affiliation(s)
- Yuki Sakurai
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
| | - Yoshitaka Furuto
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
| | - Takahiro Saito
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
| | - Akio Namikawa
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
| | - Hiroko Takahashi
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
| | - Yuko Shibuya
- Department of Hypertension and Nephrology, NTT Medical Centre Tokyo, Japan
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