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Ge X, Liang Z, Li K, Dong Y, Wang Y, Liu Y, Liu Z, Wang H, Nan Y, Chen S, Li L, Guo Y, Zhou X. Selenium nanoparticles enhance mucosal immunity against Mycobacterium bovis infection. Int Immunopharmacol 2024; 137:112384. [PMID: 38878484 DOI: 10.1016/j.intimp.2024.112384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 05/17/2024] [Accepted: 05/29/2024] [Indexed: 07/11/2024]
Abstract
Selenium nanoparticles (SeNPs) enhance the immune response as adjuvants, increasing the efficacy of viral vaccines, including those for COVID-19. However, the efficiency of mucosal SeNPs in boosting vaccine-induced protective immunity against tuberculosis remains unclear. Therefore, this study aims to investigate whether the combination of SeNPs with the AH antigen (Ag85A-HspX) can boost respiratory mucosal immunity and thereby enhance the protective effects against tuberculosis. We synthesized SeNPs and assessed their impact on the immune response and protection against Mycobacterium bovis (M. bovis) as a mucosal adjuvant in mice, administered intranasally at a dose of 20 µg. SeNPs outperformed polyinosinic-polycytidylic acid (Poly IC) in stimulating the maturation of bone marrow-derived dendritic cells (BMDCs), which enhanced antigen presentation. SeNPs significantly activated and proliferated tissue-resident memory T cells (TRMs) and effector CD4+ T cells in the lungs. The vaccines elicited specific antibody responses in the respiratory tract and stimulated systemic Th1 and Th17 immune responses. Immunization with AH and SeNPs led to higher levels of mucosal secretory IgA in bronchoalveolar lavage fluid (BALF) and secretory IL-17 in splenocytes. Moreover, SeNPs immunized mice showed reduced M. bovis infection loads and inflammatory lesions in the lungs post-challenge. Notably, immunization with AH and SeNPs significantly reduced bacterial load in the lungs, achieving the lowest levels compared to all other tested groups. This study calls for pre-clinical investigation of AHB-SeNPs as an anti-bovine tuberculosis vaccine and for exploring its human vaccine potential, which is anticipated to aid in the development of innovative vaccines or adjuvants.
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Affiliation(s)
- Xin Ge
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Zhengmin Liang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Kui Li
- Beijing Key Laboratory of Biodiversity and Organic Farming, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Yuhui Dong
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Yuanzhi Wang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Yiduo Liu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - ZiYi Liu
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Haoran Wang
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Yue Nan
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - SiYan Chen
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Lin Li
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Yanbin Guo
- Beijing Key Laboratory of Biodiversity and Organic Farming, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
| | - Xiangmei Zhou
- National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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Sunstrum J, Power LE, Fligiel HM, Lauter C, Kawam R, Dado C, Weatherhead M, Denbesten K, Bott J, Cinti S, Maxwell D, Signs K, Stobierski MG, Cosgrove M, Moriarty M, Vanderklok M, Meyerson J, Thacker T, Robbe-Austerman S. Human Disease due to Mycobacterium bovis Linked to Free-Ranging Deer in Michigan. Clin Infect Dis 2024; 78:637-645. [PMID: 38207126 DOI: 10.1093/cid/ciae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND A unique enzootic focus of Mycobacterium bovis in free-ranging deer was identified in northern lower Michigan in 1994, with subsequent evidence of transmission to local cattle herds. Between 2002 and 2017, 3 Michigan deer hunters with M. bovis disease were previously reported. We present 4 additional human cases linked to the zoonotic focus in deer, utilizing genomic epidemiology to confirm close molecular associations among human, deer and cattle M. bovis isolates. METHODS Identification of human tuberculosis (TB) cases with cultures of M. bovis was provided from the Michigan Department of Health and Human Services (MDHHS) tuberculosis database. Clinical review and interviews focused on risk factors for contact with wildlife and cattle. Whole genome sequences of human isolates were compared with a veterinary library of M. bovis strains to identify those linked to the enzootic focus. RESULTS Three confirmed and 1 probable human case with M. bovis disease were identified between 2019 and 2022, including cutaneous disease, 2 severe pulmonary disease cases, and human-to-human transmission. The 3 human isolates had 0-3 single-nucleotide polymorphisms (SNPs) with M. bovis strains circulating in wild deer and domestic cattle in Michigan. CONCLUSIONS Spillover of enzootic M. bovis from deer to humans and cattle continues to occur in Michigan. Future studies should examine the routes of transmission and degree of risk to humans through expanded epidemiological surveys. A One Health approach linking human, veterinary and environmental health should address screening for TB infection, public education, and mitigation of transmission.
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Affiliation(s)
- James Sunstrum
- Division of Infectious Disease, Corewell Health East, Westland, Michigan, USA
| | - Laura E Power
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Helene M Fligiel
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | - Carl Lauter
- Section of Infectious Diseases, Allergy and Immunology, William Beaumont University Hospital-Corewell Health East, Royal Oak, Michigan, USA
| | - Rayanah Kawam
- Section of Infectious Diseases, Allergy and Immunology, William Beaumont University Hospital-Corewell Health East, Royal Oak, Michigan, USA
| | - Christopher Dado
- Section of Pulmonary and Critical Care Medicine, William Beaumont University Hospital-Corewell Health East, Royal Oak, Michigan, USA
| | - Matthew Weatherhead
- Section of Pulmonary and Critical Care Medicine, William Beaumont University Hospital-Corewell Health East, Royal Oak, Michigan, USA
| | - Karen Denbesten
- Department of Internal Medicine, McLaren Northern Michigan Hospital, Petoskey, Michigan, USA
| | - Jonathan Bott
- Department of Medicine, Munson Medical Center, Traverse City, Michigan, USA
| | - Sandro Cinti
- Division of Infectious Disease, University of Michigan Medical Center, Ann Arbor, Michigan, USA
| | - Daniel Maxwell
- Department of Medicine, MyMichigan Medical Center, Alpena, Michigan, USA
| | - Kimberly Signs
- Michigan Department of Health and Human Services, Lansing, Michigan, USA
| | | | - Melinda Cosgrove
- Michigan Department of Natural Resources, Lansing, Michigan, USA
| | - Megan Moriarty
- Michigan Department of Natural Resources, Lansing, Michigan, USA
| | - Michael Vanderklok
- Michigan Department of Agriculture and Rural Development, Lansing, Michigan, USA
| | - Joshua Meyerson
- Health Department of Northwest Michigan, Charlevoix, Michigan, USA
| | - Tyler Thacker
- National Veterinary Services Laboratories, US Department of Agriculture, Ames, Iowa, USA
| | - Suelee Robbe-Austerman
- National Veterinary Services Laboratories, US Department of Agriculture, Ames, Iowa, USA
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Le V, Pascopella L, Westenhouse J, Barry P. A Cross-sectional Study of Patients With Extrapulmonary Tuberculosis and Normal Chest Radiographs - What Characteristics Were Associated With Sputum Culture Positivity? Clin Infect Dis 2022; 75:2113-2118. [PMID: 35514293 DOI: 10.1093/cid/ciac338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Recognizing pulmonary involvement in tuberculosis (TB) patients is necessary to prevent TB transmission. We describe frequency and characteristics of patients with extrapulmonary TB (EPTB), normal chest radiographs, and positive sputum culture. METHODS We analyzed data of patients ≥15 years of age with EPTB reported to the California TB registry during 2011-2017 with cultured sputum and normal chest radiographs using generalized linear modeling to estimate prevalence ratios associated with positive sputum culture. Demographic, behavioral, clinical characteristics, and testing were compared for patients with positive and negative sputum culture. RESULTS Of 1635 patients with EPTB and normal chest radiographs, 937 (57%) had sputum culture performed, and 127 (13%) patients had positive results for Mycobacterium tuberculosis complex. Patients with positive results were more likely to: be male, experience homelessness, use substances, have HIV, and have >1 disease site. Among 85 patients with HIV co-infection, 54% had positive culture results compared with 9.5% among 852 patients without HIV co-infection. Patients with EPTB in more than 1 site were also more likely to have a positive sputum culture. CONCLUSIONS Culturing sputum from patients with EPTB identified pulmonary cases not detected by chest radiograph, particularly among patients with HIV or >1 disease site.
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Affiliation(s)
- Victoria Le
- Tuberculosis Control Branch, Division of Communicable Disease Control, California Department of Public Health, Center for Infectious Diseases, Richmond, California, USA
| | - Lisa Pascopella
- Tuberculosis Control Branch, Division of Communicable Disease Control, California Department of Public Health, Center for Infectious Diseases, Richmond, California, USA
| | - Janice Westenhouse
- Tuberculosis Control Branch, Division of Communicable Disease Control, California Department of Public Health, Center for Infectious Diseases, Richmond, California, USA
| | - Pennan Barry
- Tuberculosis Control Branch, Division of Communicable Disease Control, California Department of Public Health, Center for Infectious Diseases, Richmond, California, USA
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de Macedo Couto R, Santana GO, Ranzani OT, Waldman EA. One Health and surveillance of zoonotic tuberculosis in selected low-income, middle-income and high-income countries: A systematic review. PLoS Negl Trop Dis 2022; 16:e0010428. [PMID: 35666731 PMCID: PMC9203019 DOI: 10.1371/journal.pntd.0010428] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 06/16/2022] [Accepted: 04/18/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Little is known about zoonotic tuberculosis (zTB) due to Mycobacterium bovis burden across the globe. The aim of this study was to describe zTB surveillance programs in selected WHO signatory countries and to assess the relationship of the disease with the country's income level and the risk of M. bovis transmission. METHODS We searched the main articles databases and grey literature for guide documents published between 1980 and 2019. For inclusion, the articles and guide documents had to be in English, French, Portuguese, Spanish, or Italian. Only original articles and narrative and systematic reviews were accepted and the guide documents were required to be available on official websites. We excluded articles that did not focus on epidemiology, control and surveillance. We used bovine TB cases in livestock and wildlife populations as a proxy for the country's risk of zTB using data from the World Organization for Animal Health (OIE) published from 2015 to 2018. Countries were classified according to income level (World Bank's classification) and strength of zTB surveillance. The study was registered in PROSPERO under number CRD42018090603. FINDINGS We included 13 articles and 208 guide documents including data from 119/194 countries (61.3%). We found a lack of surveillance data about zTB in over half (89.9%) of the 119 WHO signatory countries. Most surveillance systems perform passive surveillance and are not integrated into the One Health perspective, which was operating in 4/119 (3.4%) countries, all high-income. Many of these countries (71/119, 59.7%) have M. bovis circulating in their cattle herds, but only ~10% of them have implemented zTB surveillance activities. INTERPRETATION Our findings highlight weaknesses in zTB surveillance worldwide, with a consequent lack of information that could support an adequate understanding of disease burden, especially in countries at major risk for M. bovis transmission. To meet this challenge, efforts will be needed to promote intersectoral policies, implementing the One Health strategy.
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Affiliation(s)
| | | | - Otavio T. Ranzani
- Barcelona Institute for Global Health, ISGlobal, Barcelona, Spain
- Pulmonary Division, Heart Institute (InCor), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Liang Z, Li H, Qu M, Liu Y, Wang Y, Wang H, Dong Y, Chen Y, Ge X, Zhou X. Intranasal bovine β-defensin-5 enhances antituberculosis immunity in a mouse model by a novel protein-based respiratory mucosal vaccine. Virulence 2022; 13:949-962. [PMID: 35603910 PMCID: PMC9154763 DOI: 10.1080/21505594.2022.2080342] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Respiratory mucosal immunization is an effective immunization strategy against tuberculosis (TB), and effective mucosal vaccines require adjuvants that can promote protective immunity without deleterious inflammation. Mucosal BCG (Bacille Calmette-Guerin) is effective, but it causes a severe inflammatory response in the lung. A novel less cytotoxic mucosal vaccine AH-PB containing Mycobacterium tuberculosis (Mtb) cell surface antigens Ag85A and HspX (AH), as well as polyinosinic-polycytidylic acid (Poly IC) and bovine neutrophil β-defensin-5 (B5) adjuvants were prepared, with the overarching goal of protecting against TB. Then, the immunogenicity and protective efficacy of these vaccines via the intranasal route were evaluated in a mouse model. Results showed that intranasal AH-PB promoted tissue-resident memory T cells (TRMs) development in the lung, induced antigen-specific antibody response in airway, provided protection against Mycobacterium bovis (M. bovis), conferred better protection than parenteral BCG in the later stage of infection, and boosted the protective immunity generated by BCG in mice. Moreover, both B5 and Poly IC were indispensable for the protection generated by AH-PB. Furthermore, intranasal immunization with AH-B5 fusion vaccines also provided similar protection against M. bovis compared to AH-PB. Collectively, B5-based TB vaccine via the intranasal route is a promising immunization strategy against bovine TB, and this kind of immunization strategy may be applied to human TB vaccine development. These findings highlight the potential importance of B5 as a mucosal adjuvant used in TB vaccines or other respiratory disease vaccines.
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Affiliation(s)
- Zhengmin Liang
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Hao Li
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Mengjin Qu
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yiduo Liu
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yuanzhi Wang
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Haoran Wang
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yuhui Dong
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Yulan Chen
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xin Ge
- College of Veterinary Medicine, China Agricultural University, Beijing, China
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Drobish I, Ramchandar N, Raabe V, Pong A, Bradley J, Cannavino C. Pediatric Osteoarticular Infections Caused by Mycobacteria Tuberculosis Complex: A 26-Year Review of Cases in San Diego, CA. Pediatr Infect Dis J 2022; 41:361-367. [PMID: 34974478 DOI: 10.1097/inf.0000000000003447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Osteoarticular infections (OAIs) account for 10%-20% of extrapulmonary Mycobacteria tuberculosis (MTB) complex infections in children and 1%-2% of all pediatric tuberculosis infections. Treatment regimens and durations typically mirror recommendations for other types of extrapulmonary MTB, but there are significant variations in practice, with some experts suggesting a treatment course of 12 months or longer. METHODS We conducted a retrospective review of children diagnosed with MTB complex OAI and cared for between December 31, 1992, and December 31, 2018, at a tertiary care pediatric hospital near the United States-Mexico border. RESULTS We identified 21 children with MTB complex OAI during the study period. Concurrent pulmonary disease (9.5%), meningitis (9.5%), and intra-abdominal involvement (14.3%) were all observed. MTB complex was identified by culture from operative samples in 15/21 children (71.4%); 8/15 (53.3%) cultures were positive for Mycobacterium bovis. Open bone biopsy was the most common procedure for procurement of a tissue sample and had the highest culture yield. The median duration of antimicrobial therapy was 52 weeks (interquartile range, 46-58). Successful completion of therapy was documented in 15 children (71.4%). Nine children (42.9%) experienced long-term sequelae related to their infection. CONCLUSION Among the 21 children with MTB complex OAI assessed, 8 of 15 (53.3%) children with a positive tissue culture had M. bovis, representing a higher percentage than in previous reports and potentially reflecting its presence in unpasteurized dairy products in the California-Baja region. Bone biopsy produced the highest culture yield in this study. Given the rarity of this disease, multicenter collaborative studies are needed to improve our understanding of the presentation and management of pediatric MTB complex OAI.
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Affiliation(s)
- Ian Drobish
- From the University of California, San Diego, California
| | | | - Vanessa Raabe
- New York University Grossman School of Medicine, New York
| | - Alice Pong
- From the University of California, San Diego, California
- Rady Children's Hospital San Diego, San Diego, California
| | - John Bradley
- From the University of California, San Diego, California
- Rady Children's Hospital San Diego, San Diego, California
| | - Christopher Cannavino
- From the University of California, San Diego, California
- Rady Children's Hospital San Diego, San Diego, California
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7
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Alvarez AH. Revisiting tuberculosis screening: An insight to complementary diagnosis and prospective molecular approaches for the recognition of the dormant TB infection in human and cattle hosts. Microbiol Res 2021; 252:126853. [PMID: 34536677 DOI: 10.1016/j.micres.2021.126853] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/21/2021] [Accepted: 08/22/2021] [Indexed: 12/17/2022]
Abstract
Tuberculosis (TB) is defined as a chronic infection in both human and cattle hosts and many subclinical cases remain undetected. After the pathogen is inhaled by a host, phagocyted bacilli can persist inside macrophages surviving intracellularly. Hosts develop granulomatous lesions in the lungs or lymph nodes, limiting infection. However, bacilli become persister cells. Immunological diagnosis of TB is performed basically by routine tuberculin skin test (TST), and in some cases, by ancillary interferon-gamma release assay (IGRA). The concept of human latent TB infection (LTBI) by M. tuberculosis is recognized in cohorts without symptoms by routine clinical diagnostic tests, and nowadays IGRA tests are used to confirm LTBI with either active or latent specific antigens of M. tuberculosis. On the other hand, dormant infection in cattle by M. bovis has not been described by TST or IGRA testing as complications occur by cross-reactive immune responses to homolog antigens of environmental mycobacteria or a false-negative test by anergic states of a wained bovine immunity, evidencing the need for deciphering more specific biomarkers by new-generation platforms of analysis for detection of M. bovis dormant infection. The study and description of bovine latent TB infection (boLTBI) would permit the recognition of hidden animal infection with an increase in the sensitivity of routine tests for an accurate estimation of infected dairy cattle. Evidence of immunological and experimental analysis of LTBI should be taken into account to improve the study and the description of the still neglected boLTBI.
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Affiliation(s)
- Angel H Alvarez
- Centro de Investigación y Asistencia en Tecnología y diseño del Estado de Jalisco A.C. (CIATEJ), Consejo Nacional de Ciencia y Tecnología (CONACYT), Av. Normalistas 800 C.P. 44270, Guadalajara, Jalisco, Mexico.
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8
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Sotoudeh K, Quon S, Hsieh EP, Donovan J, Chopra S. Disseminated Mycobacterium bovis infection after deceased donor liver transplantation: A case report. Clin Case Rep 2021; 9:e04684. [PMID: 34466246 PMCID: PMC8385254 DOI: 10.1002/ccr3.4684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/04/2021] [Accepted: 06/26/2021] [Indexed: 11/09/2022] Open
Abstract
This case demonstrates the significance, and ongoing relevance of mycobacterial infections, especially in patients who have recently been started on immunosuppression.
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Affiliation(s)
- Kayvon Sotoudeh
- Keck Medical CenterUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Samantha Quon
- Keck Medical CenterUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Eric P. Hsieh
- Keck Medical CenterUniversity of Southern CaliforniaLos AngelesCAUSA
| | - John Donovan
- Keck Medical CenterUniversity of Southern CaliforniaLos AngelesCAUSA
| | - Shefali Chopra
- Keck Medical CenterUniversity of Southern CaliforniaLos AngelesCAUSA
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9
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Lombard JE, Patton EA, Gibbons-Burgener SN, Klos RF, Tans-Kersten JL, Carlson BW, Keller SJ, Pritschet DJ, Rollo S, Dutcher TV, Young CA, Hench WC, Thacker TC, Perea C, Lehmkuhl AD, Robbe-Austerman S. Human-to-Cattle Mycobacterium tuberculosis Complex Transmission in the United States. Front Vet Sci 2021; 8:691192. [PMID: 34322536 PMCID: PMC8311018 DOI: 10.3389/fvets.2021.691192] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/10/2021] [Indexed: 11/13/2022] Open
Abstract
The Mycobacterium tuberculosis complex (MTBC) species includes both M. tuberculosis, the primary cause of human tuberculosis (TB), and M. bovis, the primary cause of bovine tuberculosis (bTB), as well as other closely related Mycobacterium species. Zoonotic transmission of M. bovis from cattle to humans was recognized more than a century ago, but transmission of MTBC species from humans to cattle is less often recognized. Within the last decade, multiple published reports from around the world describe human-to-cattle transmission of MTBC. Three probable cases of human-to-cattle MTBC transmission have occurred in the United States since 2013. In the first case, detection of active TB disease (M. bovis) in a dairy employee in North Dakota prompted testing and ultimate detection of bTB infection in the dairy herd. Whole genome sequencing (WGS) demonstrated a match between the bTB strain in the employee and an infected cow. North Dakota animal and public health officials concluded that the employee's infection was the most likely source of disease introduction in the dairy. The second case involved a Wisconsin dairy herd with an employee diagnosed with TB disease in 2015. Subsequently, the herd was tested twice with no disease detected. Three years later, a cow originating from this herd was detected with bTB at slaughter. The strain in the slaughter case matched that of the past employee based on WGS. The third case was a 4-month-old heifer calf born in New Mexico and transported to Texas. The calf was TB tested per Texas entry requirements and found to have M. tuberculosis. Humans are the suspected source of M. tuberculosis in cattle; however, public health authorities were not able to identify an infected human associated with the cattle operation. These three cases provide strong evidence of human-to-cattle transmission of MTBC organisms and highlight human infection as a potential source of introduction of MTBC into dairy herds in the United States. To better understand and address the issue, a multisectoral One Health approach is needed, where industry, public health, and animal health work together to better understand the epidemiology and identify preventive measures to protect human and animal health.
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Affiliation(s)
- Jason E. Lombard
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, Field Epidemiologic Investigation Services, Fort Collins, CO, United States
| | - Elisabeth A. Patton
- Wisconsin Department of Agriculture, Trade and Consumer Protection, Madison, WI, United States
| | | | - Rachel F. Klos
- Wisconsin Department of Health Services, Division of Public Health, Madison, WI, United States
| | - Julie L. Tans-Kersten
- Wisconsin Department of Health Services, Division of Public Health, Madison, WI, United States
| | - Beth W. Carlson
- North Dakota Department of Agriculture, State Board of Animal Health, Bismarck, ND, United States
| | - Susan J. Keller
- North Dakota Department of Agriculture, State Board of Animal Health, Bismarck, ND, United States
| | | | - Susan Rollo
- Texas Animal Health Commission, Austin, TX, United States
| | - Tracey V. Dutcher
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, Field Epidemiologic Investigation Services, Fort Collins, CO, United States
| | - Cris A. Young
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, Field Epidemiologic Investigation Services, Fort Collins, CO, United States
| | - William C. Hench
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, Ruminant Health Center, Fort Collins, CO, United States
| | - Tyler C. Thacker
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, National Veterinary Services Laboratories, Ames, IA, United States
| | - Claudia Perea
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, National Veterinary Services Laboratories, Ames, IA, United States
| | - Aaron D. Lehmkuhl
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, National Veterinary Services Laboratories, Ames, IA, United States
| | - Suelee Robbe-Austerman
- United States Department of Agriculture: Animal and Plant Health Inspection Service, Veterinary Services, National Veterinary Services Laboratories, Ames, IA, United States
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Saad J, Baron S, Lagier JC, Drancourt M, Gautret P. Mycobacterium bovis Pulmonary Tuberculosis after Ritual Sheep Sacrifice in Tunisia. Emerg Infect Dis 2021; 26:1605-1607. [PMID: 32568042 PMCID: PMC7323561 DOI: 10.3201/eid2607.191597] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
A woman in France was diagnosed with pulmonary tuberculosis caused by Mycobacterium bovis after a ritual sheep sacrifice in her home country of Tunisia. This investigation sheds light on ritual sacrifice of sheep as a circumstance in which religious tradition and practices can expose millions of Muslims worldwide to this disease.
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11
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Disseminated M. bovis Infection and Vertebral Osteomyelitis following Immunotherapy for Bladder Cancer. Case Rep Infect Dis 2021; 2020:6676163. [PMID: 33457027 PMCID: PMC7785387 DOI: 10.1155/2020/6676163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/12/2020] [Accepted: 12/18/2020] [Indexed: 11/18/2022] Open
Abstract
The use of BCG in immunotherapy for bladder cancer has been in practice for over 40 years. However, uncommon, serious complications can occur with the therapy. Here, we present a case of vertebral osteomyelitis secondary to dissemination of BCG following immunotherapy, an exceedingly rare presentation of an already rare complication.
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12
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Immunoregulatory and Antimicrobial Activity of Bovine Neutrophil β-Defensin-5-Loaded PLGA Nanoparticles against Mycobacterium bovis. Pharmaceutics 2020; 12:pharmaceutics12121172. [PMID: 33271900 PMCID: PMC7760669 DOI: 10.3390/pharmaceutics12121172] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 01/28/2023] Open
Abstract
Mycobacterium bovis (M. bovis) is a member of the Mycobacterium tuberculosis complex imposing a high zoonotic threat to human health. The limited efficacy of BCG (Bacillus Calmette-Guérin) and upsurges of drug-resistant tuberculosis require new effective vaccination approaches and anti-TB drugs. Poly (lactic-co-glycolic acid) (PLGA) is a preferential drug delivery system candidate. In this study, we formulated PLGA nanoparticles (NPs) encapsulating the recombinant protein bovine neutrophil β-defensin-5 (B5), and investigated its role in immunomodulation and antimicrobial activity against M. bovis challenge. Using the classical water-oil-water solvent-evaporation method, B5-NPs were prepared, with encapsulation efficiency of 85.5% ± 2.5%. These spherical NPs were 206.6 ± 26.6 nm in diameter, with a negatively charged surface (ζ-potential -27.1 ± 1.5 mV). The encapsulated B5 protein from B5-NPs was released slowly under physiological conditions. B5 or B5-NPs efficiently enhanced the secretion of tumor necrosis factor α (TNF-α), interleukin (IL)-1β and IL-10 in J774A.1 macrophages. B5-NPs-immunized mice showed significant increases in the production of TNF-α and immunoglobulin A (IgA) in serum, and the proportion of CD4+ T cells in spleen compared with B5 alone. In immunoprotection studies, B5-NPs-immunized mice displayed significant reductions in pulmonary inflammatory area, bacterial burden in the lungs and spleen at 4-week after M. bovis challenge. In treatment studies, B5, but not B5-NPs, assisted rifampicin (RIF) with inhibition of bacterial replication in the lungs and spleen. Moreover, B5 alone also significantly reduced the bacterial load in the lungs and spleen. Altogether, our findings highlight the significance of the B5-PLGA NPs in terms of promoting the immune effect of BCG and the B5 in enhancing the therapeutic effect of RIF against M. bovis.
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13
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Antaki F, Javidi S, Touma S, Aubin MJ. Endogenous Tuberculous Endophthalmitis and Panophthalmitis: A Systematic Review of Case Reports and Case Series. Clin Ophthalmol 2020; 14:3075-3096. [PMID: 33116360 PMCID: PMC7548324 DOI: 10.2147/opth.s265521] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 08/28/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose To systematically review the characteristics of patients with endogenous tuberculous (TB) endophthalmitis and panophthalmitis in an effort to help clinicians with diagnosis and treatment. Patients and Methods We conducted a systematic literature search in MEDLINE/PubMed, EMBASE and Web of Science from inception to August 2020. References and abstracts were screened independently by two authors. Included studies were case reports and case series reporting endogenous TB endophthalmitis and panophthalmitis secondary to Mycobacterium tuberculosis complex (MTBC). Available-case analysis was employed to handle missing data. Results A total of 1343 articles were found using the search strategy. Following abstract screening, 51 articles were selected for full text-review, from which 26 were deemed eligible for inclusion in the study. Forty-four cases from 26 articles were included in the quantitative analysis. The median age of presentation was 29.5 (range: 1 to 81), and 11/44 patients (25.0%) were pediatric. Immunosuppression was seen in 9/36 cases (25.0%). Most patients (24/38, 63.2%) had no prior history of tuberculosis. Systemic symptoms were absent in half of the patients (16/32, 50.0%). Visual acuity was poor, with 23/27 cases (85.2%) being 20/200 or worse at presentation. Poor organ and visual outcomes were reported: 36/43 cases (83.7%) resulted in enucleation/evisceration or exenteration. Intraocular tumors were suspected in 5/34 cases (14.7%). Pulmonary tuberculosis was seen in 15/35 cases (42.8%), and miliary tuberculosis was seen in 7/35 cases (20.0%). The earliest source of TB diagnosis was through histopathologic specimen after eye removal in 32/44 cases (72.7%), vitreous specimen in 6/44 cases (13.6%) and aqueous specimen in 3/44 cases (6.8%). Conclusion TB endophthalmitis is a rare and sight-threatening manifestation of ocular tuberculosis. It can occur in apparently healthy individuals and can mimic intraocular tumors and other infectious etiologies. Diagnosis remains a significant challenge, which, often delayed, leads to profound visual loss. Early detection and treatment of intraocular tuberculosis may be associated with better ocular and systemic outcomes.
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Affiliation(s)
- Fares Antaki
- Centre Universitaire d'Ophtalmologie (CUO), Hôpital Maisonneuve-Rosemont, CIUSSS de l'Est-de-L'île-de-Montréal, Montreal, Quebec, Canada.,Department of Ophthalmology, Université de Montréal, Montreal, Quebec, Canada
| | - Simon Javidi
- Centre Universitaire d'Ophtalmologie (CUO), Hôpital Maisonneuve-Rosemont, CIUSSS de l'Est-de-L'île-de-Montréal, Montreal, Quebec, Canada.,Department of Ophthalmology, Université de Montréal, Montreal, Quebec, Canada
| | - Samir Touma
- Centre Universitaire d'Ophtalmologie (CUO), Hôpital Maisonneuve-Rosemont, CIUSSS de l'Est-de-L'île-de-Montréal, Montreal, Quebec, Canada
| | - Marie-Josée Aubin
- Centre Universitaire d'Ophtalmologie (CUO), Hôpital Maisonneuve-Rosemont, CIUSSS de l'Est-de-L'île-de-Montréal, Montreal, Quebec, Canada.,Department of Ophthalmology, Université de Montréal, Montreal, Quebec, Canada.,Department of Social and Preventive Medicine, School of Public Health, Université de Montréal, Montreal, Quebec, Canada
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14
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Drysdale SB, Kelly DF, Morgan M, Peto T, Crook D, Matthews PC, Walker TM. Case Report: Disseminated, rifampicin resistant Mycobacterium bovis (BCG) infection in an immunocompromised child. Wellcome Open Res 2020; 5:242. [PMID: 33283057 PMCID: PMC7682502 DOI: 10.12688/wellcomeopenres.16280.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2020] [Indexed: 11/20/2022] Open
Abstract
Background: Bacillus Calmette-Guérin (BCG) is a live-attenuated vaccine used world-wide for prevention of tuberculosis disease. In some immunocompromised hosts it has the potential to cause disease. As with other members of the M. tuberculosis complex it has the potential for acquiring drug resistance. Methods: We reviewed 10 years of paediatric clinical BCG strains referred to our clinical microbiology laboratory in Oxford where they underwent whole genome sequencing. We present a case series comparing clinical, pathogen genetic and pathogen phenotypic data, and consider the clinical implications. Results: We identified 15 BCG isolates from 8 children under 16 years old. Only one child had clinical disease with the other seven reported as local inoculation-site reactions. Case 1 suffered disseminated disease secondary to an undiagnosed IL-12/IFNγ receptor defect and the BCG isolates evolved two different rifampicin resistance mutations. Across all 15 isolates, phenotypic resistance to each first line drug was seen. Conclusions: BCG is a safe and effective vaccine in children. Most clinical specimens in our series were not related to disease. However, in the context of rare pathogen-specific immunocompromise, BCG can cause pathology and acquire drug resistance under selection from therapy.
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Affiliation(s)
- Simon B Drysdale
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK.,NIHR Oxford Biomedical Research Centre, Oxford University, Oxford, UK.,Paediatric Infectious Diseases Research Group, St George's, University of London, London, UK
| | - Dominic F Kelly
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK.,NIHR Oxford Biomedical Research Centre, Oxford University, Oxford, UK
| | - Marcus Morgan
- Department of Microbiology and Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Tim Peto
- NIHR Oxford Biomedical Research Centre, Oxford University, Oxford, UK.,Department of Microbiology and Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Derrick Crook
- NIHR Oxford Biomedical Research Centre, Oxford University, Oxford, UK.,Department of Microbiology and Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Philippa C Matthews
- NIHR Oxford Biomedical Research Centre, Oxford University, Oxford, UK.,Department of Microbiology and Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.,Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Timothy M Walker
- Department of Microbiology and Infectious Diseases, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.,Oxford University Clinical Research Unit, University of Oxford, Ho Chi Minh City, Vietnam
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15
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Veyrier FJ, Nieves C, Lefrancois LH, Trigui H, Vincent AT, Behr MA. RskA Is a Dual Function Activator-Inhibitor That Controls SigK Activity Across Distinct Bacterial Genera. Front Microbiol 2020; 11:558166. [PMID: 33013790 PMCID: PMC7509140 DOI: 10.3389/fmicb.2020.558166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 08/14/2020] [Indexed: 01/25/2023] Open
Abstract
It has been previously shown that RskA, the anti-Sigma factor K of Mycobacterium tuberculosis, inhibits SigK and that mutations in RskA promote high expression of the SigK regulon. The latter observation led us to hypothesize that RskA mutations lead to loss of the anti-Sigma factor function. In this report, we used natural and artificial mutations in RskA to determine the basis of the SigK-RskA partnership. Consistent with predictions, the N-terminal cytoplasmic portion of RskA was sufficient on its own to inhibit SigK. Unexpectedly, RskA also served as an activator of SigK. This activation depended on the same N-terminal region and was enhanced by the membrane-extracellular portion of RskA. Based on this, we engineered similar truncations in a Gram-negative bacterium, namely Yersinia enterocolitica. Again, we observed that, with specific alterations of RskA, we were able to enhance SigK activity. Together these results support an alternative mechanism of anti-Sigma factor function, that we could term modulator (activator-inhibitor) in both Actinobacteria and Gram-negative bacteria, suggesting that Sigma factor activation by anti-Sigma factors could be under-recognized.
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Affiliation(s)
- Frédéric J Veyrier
- Bacterial Symbionts Evolution, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Université du Québec, Laval, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
| | - Cecilia Nieves
- Bacterial Symbionts Evolution, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Université du Québec, Laval, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
| | - Louise H Lefrancois
- McGill International TB Centre, Montreal, QC, Canada
- Department of Medicine, McGill University, Montreal, QC, Canada
| | - Hana Trigui
- Bacterial Symbionts Evolution, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Université du Québec, Laval, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
| | - Antony T Vincent
- Bacterial Symbionts Evolution, Centre Armand-Frappier Santé Biotechnologie, Institut National de la Recherche Scientifique, Université du Québec, Laval, QC, Canada
- McGill International TB Centre, Montreal, QC, Canada
| | - Marcel A Behr
- McGill International TB Centre, Montreal, QC, Canada
- Department of Medicine, McGill University, Montreal, QC, Canada
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16
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Sfairopoulos D, Tsiara S, Barkas F, Margariti PN, Agouridis AP, Tsioutis C, Ntzani EE, Rizos EC. Is brucellosis a great mimic of tuberculosis? A case report. Eur J Clin Microbiol Infect Dis 2020; 39:1711-1715. [DOI: 10.1007/s10096-020-03902-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 04/07/2020] [Indexed: 11/28/2022]
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17
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Macedo Couto R, Ranzani OT, Waldman EA. Zoonotic Tuberculosis in Humans: Control, Surveillance, and the One Health Approach. Epidemiol Rev 2020; 41:130-144. [PMID: 32294188 DOI: 10.1093/epirev/mxz002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2019] [Indexed: 11/12/2022] Open
Abstract
Zoonotic tuberculosis is a reemerging infectious disease in high-income countries and a neglected one in low- and middle-income countries. Despite major advances in its control as a result of milk pasteurization, its global burden is unknown, especially due the lack of surveillance data. Additionally, very little is known about control strategies. The purpose of this review was to contextualize the current knowledge about the epidemiology of zoonotic tuberculosis and to describe the available evidence regarding surveillance and control strategies in high-, middle-, and low-income countries. We conducted this review enriched by a One Health perspective, encompassing its inherent multifaceted characteristics. We found that the burden of zoonotic tuberculosis is likely to be underreported worldwide, with higher incidence in low-income countries, where the surveillance systems are even more fragile. Together with the lack of specific political commitment, surveillance data is affected by lack of a case definition and limitations of diagnostic methods. Control measures were dependent on risk factors and varied greatly between countries. This review supports the claim that a One Health approach is the most valuable concept to build capable surveillance systems, resulting in effective control measures. The disease characteristics and suggestions to implement surveillance and control programs are discussed.
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Affiliation(s)
- Rodrigo Macedo Couto
- Department of Epidemiology, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
| | - Otavio T Ranzani
- Pulmonary Division, Heart Institute (InCor), Hospital das Clinicas (HCFMUSP), Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Eliseu Alves Waldman
- Department of Epidemiology, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
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18
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Antaki F, Marchand-Senécal X, Aubin MJ. Endogenous endophthalmitis and bilateral optic neuropathy secondary to Mycobacterium bovis. Can J Ophthalmol 2020; 55:e88-e91. [DOI: 10.1016/j.jcjo.2019.10.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 10/10/2019] [Accepted: 10/29/2019] [Indexed: 11/25/2022]
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19
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Quadri NS, Brihn A, Shah JA, Kirsch JD. Bovine Tuberculosis: A Re-emerging Zoonotic Infection. J Agromedicine 2020; 26:334-339. [PMID: 32478614 DOI: 10.1080/1059924x.2020.1771497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Bovine tuberculosis is caused by Mycobacterium bovis (M. bovis), which infects both humans and cattle. In 2018, a dairy farm in Wisconsin was affected by M. bovis, including a farmworker with exposure to the affected herd. Largely eradicated by effective public health strategies in the United States, most cases are now associated with risk factors including occupational hazards, food consumption, and iatrogenic infections. M. bovis continues to cause disease worldwide affecting certain at-risk populations in the United States. Infections more often result in extrapulmonary sequelae and resistance to pyrazinamide is universal. Thus, successful treatment depends on early and correct identification of the mycobacterium species. A One Health approach to control this re-emerging disease is crucial.
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Affiliation(s)
- Nasreen S Quadri
- Department of Internal Medicine, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota, USA
| | - Auguste Brihn
- Center for Animal Health and Food Safety, University of Minnesota College of Veterinary Medicine, Saint Paul, Minnesota, USA
| | - Javeed A Shah
- Department of Medicine, University of Washington School of Medicine, Tuberculosis Research and Training Center, Seattle, Washington, USA.,Infectious Disease Section, VA Puget Sound Health Care System, Seattle, Washington, USA
| | - Jonathan D Kirsch
- Department of Internal Medicine, University of Minnesota Medical School Twin Cities, Minneapolis, Minnesota, USA
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20
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Wansaula Z, Wortham JM, Mindra G, Haddad MB, Salinas JL, Ashkin D, Morris SB, Grant GB, Ghosh S, Langer AJ. Bacillus Calmette-Guérin Cases Reported to the National Tuberculosis Surveillance System, United States, 2004-2015. Emerg Infect Dis 2019; 25:451-456. [PMID: 30789145 PMCID: PMC6390767 DOI: 10.3201/eid2503.180686] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Mycobacterium bovis bacillus Calmette-Guérin (BCG) is used as a vaccine to protect against disseminated tuberculosis (TB) and as a treatment for bladder cancer. We describe characteristics of US TB patients reported to the National Tuberculosis Surveillance System (NTSS) whose disease was attributed to BCG. We identified 118 BCG cases and 91,065 TB cases reported to NTSS during 2004-2015. Most patients with BCG were US-born (86%), older (median age 75 years), and non-Hispanic white (81%). Only 17% of BCG cases had pulmonary involvement, in contrast with 84% of TB cases. Epidemiologic features of BCG cases differed from TB cases. Clinicians can use clinical history to discern probable BCG cases from TB cases, enabling optimal clinical management. Public health agencies can use this information to quickly identify probable BCG cases to avoid inappropriately reporting BCG cases to NTSS or expending resources on unnecessary public health interventions.
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21
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Sabir N, Hussain T, Liao Y, Wang J, Song Y, Shahid M, Cheng G, Mangi MH, Yao J, Yang L, Zhao D, Zhou X. Kallikrein 12 Regulates Innate Resistance of Murine Macrophages against Mycobacterium bovis Infection by Modulating Autophagy and Apoptosis. Cells 2019; 8:cells8050415. [PMID: 31060300 PMCID: PMC6562459 DOI: 10.3390/cells8050415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/27/2022] Open
Abstract
Mycobacterium bovis (M. bovis) is a member of the Mycobacterium tuberculosis (Mtb) complex causing bovine tuberculosis (TB) and imposing a high zoonotic threat to human health. Kallikreins (KLKs) belong to a subgroup of secreted serine proteases. As their role is established in various physiological and pathological processes, it is likely that KLKs expression may mediate a host immune response against the M. bovis infection. In the current study, we report in vivo and in vitro upregulation of KLK12 in the M. bovis infection. To define the role of KLK12 in immune response regulation of murine macrophages, we produced KLK12 knockdown bone marrow derived macrophages (BMDMs) by using siRNA transfection. Interestingly, the knockdown of KLK12 resulted in a significant downregulation of autophagy and apoptosis in M. bovis infected BMDMs. Furthermore, we demonstrated that this KLK12 mediated regulation of autophagy and apoptosis involves mTOR/AMPK/TSC2 and BAX/Bcl-2/Cytochrome c/Caspase 3 pathways, respectively. Similarly, inflammatory cytokines IL-1β, IL-6, IL-12 and TNF-α were significantly downregulated in KLK12 knockdown macrophages but the difference in IL-10 and IFN-β expression was non-significant. Taken together, these findings suggest that upregulation of KLK12 in M. bovis infected murine macrophages plays a substantial role in the protective immune response regulation by modulating autophagy, apoptosis and pro-inflammatory pathways. To our knowledge, this is the first report on expression and the role of KLK12 in the M. bovis infection and the data may contribute to a new paradigm for diagnosis and treatment of bovine TB.
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Affiliation(s)
- Naveed Sabir
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Tariq Hussain
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Yi Liao
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Jie Wang
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Yinjuan Song
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Muhammad Shahid
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Guangyu Cheng
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Mazhar Hussain Mangi
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Jiao Yao
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Lifeng Yang
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Deming Zhao
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xiangmei Zhou
- Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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22
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Li Q, Liu C, Yue R, El-Ashram S, Wang J, He X, Zhao D, Zhou X, Xu L. cGAS/STING/TBK1/IRF3 Signaling Pathway Activates BMDCs Maturation Following Mycobacterium bovis Infection. Int J Mol Sci 2019; 20:ijms20040895. [PMID: 30791397 PMCID: PMC6412216 DOI: 10.3390/ijms20040895] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/30/2019] [Accepted: 02/01/2019] [Indexed: 11/16/2022] Open
Abstract
Cyclic GMP-AMP synthase (cGAS) is an important cytosolic DNA sensor that plays a crucial role in triggering STING-dependent signal and inducing type I interferons (IFNs). cGAS is important for intracellular bacterial recognition and innate immune responses. However, the regulating effect of the cGAS pathway for bone marrow-derived dendritic cells (BMDCs) during Mycobacterium bovis (M. bovis) infection is still unknown. We hypothesized that the maturation and activation of BMDCs were modulated by the cGAS/STING/TBK1/IRF3 signaling pathway. In this study, we found that M. bovis promoted phenotypic maturation and functional activation of BMDCs via the cGAS signaling pathway, with the type I IFN and its receptor (IFNAR) contributing. Additionally, we showed that the type I IFN pathway promoted CD4+ T cells’ proliferation with BMDC during M. bovis infection. Meanwhile, the related cytokines increased the expression involved in this signaling pathway. These data highlight the mechanism of the cGAS and type I IFN pathway in regulating the maturation and activation of BMDCs, emphasizing the important role of this signaling pathway and BMDCs against M. bovis. This study provides new insight into the interaction between cGAS and dendritic cells (DCs), which could be considered in the development of new drugs and vaccines against tuberculosis.
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Affiliation(s)
- Qiang Li
- College of Agriculture, Ningxia University, Xixia District, Yinchuan 750021, China.
| | - Chunfa Liu
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Ruichao Yue
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Saeed El-Ashram
- College of Life Science and Engineering, Foshan University, 18 Jiangwan street, Foshan 528231, China.
| | - Jie Wang
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xiaoli He
- College of Agriculture, Ningxia University, Xixia District, Yinchuan 750021, China.
| | - Deming Zhao
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xiangmei Zhou
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Lihua Xu
- College of Agriculture, Ningxia University, Xixia District, Yinchuan 750021, China.
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Tariq H, Kamal MU, Makker J, Azam S, Pirzada UA, Mehak V, Kumar K, Patel H. Hepatitis in slaughterhouse workers. World J Hepatol 2019; 11:37-49. [PMID: 30705717 PMCID: PMC6354121 DOI: 10.4254/wjh.v11.i1.37] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 12/03/2018] [Accepted: 01/01/2019] [Indexed: 02/06/2023] Open
Abstract
Slaughterhouse workers (SHW) are at increased risk of hepatitis which can occur due to different organisms and should be investigated for viral, bacterial, and parasitic organisms. Slaughter house personnel including butchers are at a higher risk of infections from cuts and blood-letting, with the possible risk of the transmission of blood-borne pathogens to their colleagues. The objective of this review is to evaluate the common etiologies of hepatitis in SHW which will assist in the assessment of these patients presenting with transaminitis. Types of Microorganisms causing hepatitis with their reservoirs, routes of transmission, laboratory diagnosis, clinical features, treatment options and preventive strategies are included in this review. Proper investigation and awareness is of utmost importance as it causes significant financial constraints derived from workers health cost and from livestock production losses when the disease is confirmed. The work up is essential because infected workers might be a source of infections to other colleagues, family and the consumers.
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Affiliation(s)
- Hassan Tariq
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
- Division of Gastroenterology, Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Muhammad Umar Kamal
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Jasbir Makker
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
- Division of Gastroenterology, Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Sara Azam
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Usman Ali Pirzada
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Vaniza Mehak
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Kishore Kumar
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
- Division of Gastroenterology, Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
| | - Harish Patel
- Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
- Division of Gastroenterology, Department of Medicine, BronxCare Health System, Bronx, NY 10457, United States
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Černá P, O'Halloran C, SjatkovskaJ O, Gunn-Moore DA. Outbreak of tuberculosis caused by Mycobacterium bovis in a cattery of Abyssinian cats in Italy. Transbound Emerg Dis 2018; 66:250-258. [PMID: 30179308 DOI: 10.1111/tbed.13010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 08/10/2018] [Accepted: 08/14/2018] [Indexed: 12/16/2022]
Abstract
Mycobacterium bovis is a re-emerging zoonosis; it was diagnosed in five Abyssinian cats in a breeding cattery in Italy. The infection entered the cattery with an imported kitten (cat A); it had a suspected bite wound on its leg that had been treated at a veterinary clinic in Kiev, Ukraine, which is probably where it became infected with M. bovis. When the kitten arrived in Italy, there were four cats in the cattery; an adult female, her two kittens and a kitten imported from Russia. These were all healthy, and had no outdoor access. All five cats developed tuberculous interstitial pneumonia; in cat A this occurred 6 weeks after importation, the others were diagnosed 4-6 weeks later. Three cats were euthanised with deteriorating pneumonia while two cats remained clinically well on antibiotic therapy (marbofloxacin, doxycycline and azithromycin). The latter cases were euthanised after 5 weeks, as required by Italian law once M. bovis infection was suspected. Changes consistent with tuberculosis on gross post-mortem examination included mesenteric and mediastinal lymphadenopathy, splenomegaly and hepatomegaly, and the presence of disseminated focal white lesions on the cut surface of the spleen, liver and lungs. Visible acid-fast bacteria (cats A, B and C) were confirmed as Mycobacterium tuberculosis complex by PCR (cats A, B, C, D and E), refined to M. bovis (cats A, B and D), spoligotype SB0950 (cats A and D).
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Affiliation(s)
- Petra Černá
- University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
| | - Conor O'Halloran
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, UK
| | | | - Danièlle A Gunn-Moore
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, The University of Edinburgh, Roslin, UK
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Qian X, Nguyen DT, Lyu J, Albers AE, Bi X, Graviss EA. Risk factors for extrapulmonary dissemination of tuberculosis and associated mortality during treatment for extrapulmonary tuberculosis. Emerg Microbes Infect 2018; 7:102. [PMID: 29872046 PMCID: PMC5988830 DOI: 10.1038/s41426-018-0106-1] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 04/15/2018] [Accepted: 04/29/2018] [Indexed: 01/28/2023]
Abstract
Many environmental, host, and microbial characteristics have been recognized as risk factors for dissemination of extrapulmonary tuberculosis (EPTB). However, there are few population-based studies investigating the association between the primary sites of tuberculosis (TB) infection and mortality during TB treatment. De-identified population-based surveillance data of confirmed TB patients reported from 2009 to 2015 in Texas, USA, were analyzed. Regression analyses were used to determine the risk factors for EPTB, as well as its subsite distribution and mortality. We analyzed 7007 patients with exclusively pulmonary TB, 1259 patients with exclusively EPTB, and 894 EPTB patients with reported concomitant pulmonary involvement. Age ≥45 years, female gender, human immunodeficiency virus (HIV)-positive status, and end-stage renal disease (ESRD) were associated with EPTB. ESRD was associated with the most clinical presentations of EPTB other than meningeal and genitourinary TB. Patients age ≥45 years had a disproportionately high rate of bone TB, while foreign-born patients had increased pleural TB and HIV+ patients had increased meningeal TB. Age ≥45 years, HIV+ status, excessive alcohol use within the past 12 months, ESRD, and abnormal chest radiographs were independent risk factors for EPTB mortality during TB treatment. The epidemiologic risk factors identified by multivariate analyses provide new information that may be useful to health professionals in managing patients with EPTB.
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Affiliation(s)
- Xu Qian
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, Wenzhou Medical University, Wenzhou, P. R. China
- Center for Precision Biomedicine, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
- People's Hospital of Hangzhou Medical College, Hangzhou, P. R. China
| | - Duc T Nguyen
- Houston Methodist Research Institute, Houston, TX, USA
| | - Jianxin Lyu
- Key Laboratory of Laboratory Medicine, Ministry of Education, Zhejiang Provincial Key Laboratory of Medical Genetics, Wenzhou Medical University, Wenzhou, P. R. China
- People's Hospital of Hangzhou Medical College, Hangzhou, P. R. China
| | - Andreas E Albers
- Department of Otorhinolaryngology, Head and Neck Surgery, Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Xiaohong Bi
- Center for Precision Biomedicine, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
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Scott C, Cavanaugh JS, Silk BJ, Ershova J, Mazurek GH, LoBue PA, Moonan PK. Comparison of Sputum-Culture Conversion for Mycobacterium bovis and M. tuberculosis. Emerg Infect Dis 2018; 23:456-462. [PMID: 28221125 PMCID: PMC5382750 DOI: 10.3201/eid2303.161916] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Current US guidelines recommend longer treatment for tuberculosis (TB) caused by pyrazinamide-resistant organisms (e.g., Mycobacterium bovis) than for M. tuberculosis TB. We compared treatment response times for patients with M. bovis TB and M. tuberculosis TB reported in the United States during 2006–2013. We included culture-positive, pulmonary TB patients with genotyping results who received standard 4-drug treatment at the time of diagnosis. Time to sputum-culture conversion was defined as time between treatment start date and date of first consistently culture-negative sputum. We analyzed 297 case-patients with M. bovis TB and 30,848 case-patients with M. tuberculosis TB. After 2 months of treatment, 71% of M. bovis and 65% of M. tuberculosis TB patients showed conversion of sputum cultures to negative. Likelihood of culture conversion was higher for M. bovis than for M. tuberculosis, even after controlling for treatment administration type, sex, and a composite indicator of bacillary burden.
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Davidson JA, Loutet MG, O'Connor C, Kearns C, Smith RMM, Lalor MK, Thomas HL, Abubakar I, Zenner D. Epidemiology of Mycobacterium bovis Disease in Humans in England, Wales, and Northern Ireland, 2002-2014. Emerg Infect Dis 2018; 23:377-386. [PMID: 28220748 PMCID: PMC5382737 DOI: 10.3201/eid2303.161408] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Despite slightly increased cases in these areas, human infection with this cattle pathogen remains rare. Despite control efforts, Mycobacterium bovis incidence among cattle remains high in parts of England, Wales, and Northern Ireland, attracting political and public health interest in potential spread from animals to humans. To determine incidence among humans and to identify associated factors, we conducted a retrospective cohort analysis of human M. bovis cases in England, Wales, and Northern Ireland during 2002–2014. We identified 357 cases and observed increased annual case numbers (from 17 to 35) and rates. Most patients were >65 years of age and born in the United Kingdom. The median age of UK-born patients decreased over time. For 74% of patients, exposure to risk factors accounting for M. bovis acquisition, most frequently consumption of unpasteurized milk, was known. Despite the small increase in case numbers and reduction in patient age, M. bovis infection of humans in England, Wales, and Northern Ireland remains rare.
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Higashi Y, Nakamura S, Kidani K, Matumoto K, Kawago K, Isobe J, Kanatani J, Kawagishi Y, Sakamaki I, Yamamoto Y. Mycobacterium bovis-induced Aneurysm after Intravesical Bacillus Calmette-Guérin Therapy: A Case Study and Literature Review. Intern Med 2018; 57:429-435. [PMID: 29093394 PMCID: PMC5827329 DOI: 10.2169/internalmedicine.9102-17] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Mycobacterium bovis infection after intravesical Bacillus Calmette-Guérin (BCG) therapy is rare. A 65-year-old Japanese man with history of bladder cancer and intravesical BCG therapy, presented with low-grade fever. An aneurysm with perianeurysmal fluid was suspected and endovascular aortic repair was performed. After 160 days, he developed blood-streaked sputum and computed tomography images revealed that the perianeurysmal fluid area was increasing in size. A multiplex polymerase chain reaction using sputum identified M. bovis. Treatment with anti-tuberculosis drugs reduced the size of the perianeurysmal fluid area. After intravesical BCG therapy, the possibility of M. bovis infection should be considered, thus further investigations are required.
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Affiliation(s)
- Yoshitsugu Higashi
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
| | - Shigeki Nakamura
- Department of Chemotherapy and Mycoses, National Institute of Infectious Diseases, Japan
| | - Kento Kidani
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
| | - Kaoru Matumoto
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
| | - Koyomi Kawago
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
| | - Junko Isobe
- Department of Bacteology, Toyama Institute of Health, Japan
| | | | - Yukio Kawagishi
- Division of Respiratory Medicine, Kurobe City Hospital, Japan
| | - Ippei Sakamaki
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
| | - Yoshihiro Yamamoto
- Department of Clinical Infectious Diseases, Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Japan
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Chunfa L, Xin S, Qiang L, Sreevatsan S, Yang L, Zhao D, Zhou X. The Central Role of IFI204 in IFN-β Release and Autophagy Activation during Mycobacterium bovis Infection. Front Cell Infect Microbiol 2017; 7:169. [PMID: 28529930 PMCID: PMC5418236 DOI: 10.3389/fcimb.2017.00169] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 04/18/2017] [Indexed: 01/16/2023] Open
Abstract
Mycobacterium bovis (M. bovis) is the pathogen of animals and humans that can replicate in the phagosomes of myeloid cells. Cytosolic detection of bacterial products plays a crucial role in initiating the innate immune response, including autophagy activation and interferon-β (IFN-β) release. Although IFN-β release and autophagy activation have been reported during mycobacterium infection, the mechanisms underlying remains poorly defined. Here, we demonstrated that IFN-β release increases in macrophages exposed to M. bovis and this requires the activation of the DNA sensor of interferon-γ inducible protein 204 (IFI204). Knockdown of the IFI204 in immortalized and primary murine macrophages blocked IFN-β production and autophagy marker LC3 expression. Thus, our results indicate that the IFI204 is an important sensor for innate immune responses of M. bovis infection.
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Affiliation(s)
- Liu Chunfa
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural UniversityBeijing, China
| | - Sun Xin
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural UniversityBeijing, China
| | - Li Qiang
- Department of Veterinary Medicine, College of Agriculture, Ningxia UniversityYinchuan, China
| | - Srinand Sreevatsan
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of MinnesotaSaint Paul, MN, USA
| | - Lifeng Yang
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural UniversityBeijing, China
| | - Deming Zhao
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural UniversityBeijing, China
| | - Xiangmei Zhou
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology and Zoonosis, Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural UniversityBeijing, China
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Roperto S, Varano M, Russo V, Lucà R, Cagiola M, Gaspari M, Ceccarelli DM, Cuda G, Roperto F. Proteomic analysis of protein purified derivative of Mycobacterium bovis. J Transl Med 2017; 15:68. [PMID: 28372590 PMCID: PMC5376687 DOI: 10.1186/s12967-017-1172-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 03/23/2017] [Indexed: 11/29/2022] Open
Abstract
Background Tuberculin skin test based on in vivo intradermal inoculation of purified protein derivative from Mycobacterium bovis (bPPD) is the diagnostic test for the control and surveillance of bovine tuberculosis (bTB). Methods Proteomic analysis was performed on different bPPD preparations from M. bovis, strain AN5. Proteins were precipitated from bPPD solutions by TCA precipitation. The proteome of bPPD preparations was investigated by bottom-up proteomics, which consisted in protein digestion and nano-LC–MS/MS analysis. Mass spectrometry analysis was performed on a Q-exactive hybrid quadrupole-Orbitrap mass spectrometer coupled online to an Easy nano-LC1000 system. Results Three hundred and fifty-six proteins were identified and quantified by at least 2 peptides (99% confidence per peptide). One hundred and ninety-eight proteins, which had not been previously described, were detected; furthermore, the proteomic profile shared 80 proteins with previous proteomes from bPPDs from the United Kingdom and Brazil and 139 protein components from bPPD from Korea. Locus name of M. bovis (Mb) with orthologs from M. tuberculosis H37Rv, comparative gene and protein length, molecular mass, functional categories, gene name and function of each protein were reported. Ninety-two T cell mycobacterial antigens responsible for delayed-type hypersensitivity were detected, fifty-two of which were not previously reported in any bPPD proteome. Data are available via ProteomeXchange with identifier PXD005920. Conclusions This study represents the highest proteome coverage of bPPD preparations to date. Since proteins perform cellular functions essential to health and/or disease, obtaining knowledge of their presence and variance is of great importance in understanding disease states and for advancing translational studies. Therefore, to better understand Mycobacterium tuberculosis complex biology during infection, survival, and persistence, the reproducible evaluation of the proteins that catalyze and control these processes is critically important. More active and more specific tuberculins would be desirable. Indeed, many antigens contained within bPPD are currently responsible for the cross-reactivity resulting in false-positive results as they are shared between non-tuberculous and tuberculous mycobacteria. Electronic supplementary material The online version of this article (doi:10.1186/s12967-017-1172-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sante Roperto
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università di Napoli Federico II, Naples, Italy.
| | - Mariaconcetta Varano
- Dipartimento di Medicina Sperimentale e Clinica, Università di Catanzaro "Magna Græcia" Campus "S. Venuta", Catanzaro, Italy
| | - Valeria Russo
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università di Napoli Federico II, Naples, Italy
| | - Roberta Lucà
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università di Napoli Federico II, Naples, Italy
| | - Monica Cagiola
- Istituto Zooprofilattico dell'Umbria e delle Marche, Perugia, Italy
| | - Marco Gaspari
- Dipartimento di Medicina Sperimentale e Clinica, Università di Catanzaro "Magna Græcia" Campus "S. Venuta", Catanzaro, Italy
| | - Dora Maria Ceccarelli
- Dipartimento di Medicina Veterinaria e delle Produzioni Animali, Università di Napoli Federico II, Naples, Italy
| | - Giovanni Cuda
- Dipartimento di Medicina Sperimentale e Clinica, Università di Catanzaro "Magna Græcia" Campus "S. Venuta", Catanzaro, Italy
| | - Franco Roperto
- Dipartimento di Biologia, Università di Napoli Federico II, Naples, Italy
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Fujiwara PI, Olea-Popelka F. Editorial Commentary: Why It Is Important to Distinguish Mycobacterium bovis as a Causal Agent of Human Tuberculosis. Clin Infect Dis 2016; 63:602-3. [PMID: 27298331 DOI: 10.1093/cid/ciw374] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 06/06/2016] [Indexed: 11/14/2022] Open
Affiliation(s)
- Paula I Fujiwara
- International Union Against Tuberculosis and Lung Disease, Paris, France
| | - Francisco Olea-Popelka
- College of Veterinary Medicine and Biomedical Sciences, Department of Clinical Sciences and Mycobacteria Research Laboratories, Colorado State University, Fort Collins
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