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Larenas-Muñoz F, Ruedas-Torres I, Hunter L, Bird A, Agulló-Ros I, Winsbury R, Clark S, Rayner E, Salguero FJ. Characterisation and development of histopathological lesions in a guinea pig model of Mycobacterium tuberculosis infection. Front Vet Sci 2023; 10:1264200. [PMID: 37808110 PMCID: PMC10556493 DOI: 10.3389/fvets.2023.1264200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023] Open
Abstract
Tuberculosis (TB) remains a very significant infectious disease worldwide. New vaccines and therapies are needed, even more crucially with the increase of multi-drug resistant Mycobacterium tuberculosis strains. Preclinical animal models are very valuable for the development of these new disease control strategies. Guinea pigs are one of the best models of TB, sharing many features with the pathology observed in human TB. Here we describe the development of TB lesions in a guinea pig model of infection. We characterise the granulomatous lesions in four developmental stages (I-IV), using histopathological analysis and immunohistochemical (IHC) techniques to study macrophages, T cells, B cells and granulocytes. The granulomas in the guinea pigs start as aggregations of macrophages and few heterophils, evolving to larger lesions showing central caseous necrosis with mineralisation and abundant acid-fast bacilli, surrounded by a rim of macrophages and lymphocytes in the outer layers of the granuloma. Multinucleated giant cells are very rare and fibrotic capsules are not formed in this animal model.
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Affiliation(s)
- 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’, Córdoba, Spain
| | - Inés Ruedas-Torres
- 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’, Córdoba, Spain
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
| | - Laura Hunter
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
- School of Biosciences and Medicine, University of Surrey, Guildford, United Kingdom
| | - Alison Bird
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
| | - Irene Agulló-Ros
- 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’, Córdoba, Spain
| | - Rebecca Winsbury
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
| | - Simon Clark
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
| | - Emma Rayner
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
| | - Francisco J. Salguero
- Pathology Department, UK Health Security Agency (UKHSA), Porton Down, Salisbury, United Kingdom
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Immunoendocrine abnormalities in the female reproductive system, and lung steroidogenesis during experimental pulmonary tuberculosis. Tuberculosis (Edinb) 2023; 138:102274. [PMID: 36463716 DOI: 10.1016/j.tube.2022.102274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Tuberculosis (TB) caused by Mycobacterium tuberculosis mainly affects the lungs, but can spread to other organs. TB chronically activates the immune and endocrine systems producing remarkable functional changes.So far, it is unknown whether pulmonary non-disseminated TB cause changes in the female reproductive system and lung endocrinology. OBJECTIVE To investigate whether pulmonary TB produces immunoendocrine alterations of the female mice reproductive organs, and lung estradiol synthesis. METHODS BALB/c mice were infected intratracheally with Mycobacterium tuberculosis (Mtb) strain H37Rv. Groups of six non-infected and infected animals were euthanized on different days. Bacillary loads were determined in the lungs, ovaries and uterus. Immunohistochemistry and morphometry studies were performed in histological sections. Serum estradiol wasassayed, and supernatantfrom cultured lung cells was analyzed by Thin Layer Chromatography (TLC). RESULTS Mtb only grew in lung tissue. Histopathology revealed abnormal folliculogenesis and decreased corpora lutea. Altered ovarian expression of IL-6, IL-1β was found. The infection increased serum estradiol. Estradiol synthesis by infected lung cells triplicate after 30 pi days.Aromatase immunostaining was found in the alveolar and bronchial epithelium, being stronger in the infected lungs, mainly in macrophages. CONCLUSION Pulmonary TB affects the histophysiology of the female reproductive system in absence of its local infection, and disturbslung endocrinology.
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Mycobacterium tuberculosis Rv3717 enhances the survival of Mycolicibacterium smegmatis by inhibiting host innate immune and caspase-dependent apoptosis. INFECTION GENETICS AND EVOLUTION 2020; 84:104412. [PMID: 32531516 DOI: 10.1016/j.meegid.2020.104412] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/02/2020] [Accepted: 06/05/2020] [Indexed: 02/03/2023]
Abstract
Tuberculosis caused by Mycobacterium tuberculosis (M. tuberculosis) infection remains a serious public threat despite decades of creative endeavors. There are few reports on the roles of M. tuberculosis enzymes involved in cell envelope biosynthesis in pathogen survival and persistence. M. tuberculosis Rv3717 encodes N-acetylmuramoyl-l-alanine amidase, a cell-wall hydrolase that hydrolyzes the bond between N-acetylmuramic acid and l-alanine in cell-wall peptidoglycan. In this paper, we demonstrated the Rv3717 promoted the survival of Mycolicibacterium smegmatis(M. smegmatis) within macrophages. More importantly, we demonstrated that this effect is because MS_Rv3717 reduces the release of host pro-inflammatory cytokines such as IL-1β, IL-6, IL-12 p40, TNF-α, and increased transcription of anti-inflammatory cytokine IL-10. At the same time, MS_Rv3717 inhibits apoptosis by inhibiting the activation of Caspase-3/9, reducing the host's elimination of M. smegmatis. Finally, from a bacterial perspective, we found Rv3717 decreased the survival of M. smegmatis under stresses such as SDS and low pH. This is the first report of the involvement of Mycobacterium cell envelope biosynthetic enzyme in host-pathogen interaction.
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Broza YY, Zhou X, Yuan M, Qu D, Zheng Y, Vishinkin R, Khatib M, Wu W, Haick H. Disease Detection with Molecular Biomarkers: From Chemistry of Body Fluids to Nature-Inspired Chemical Sensors. Chem Rev 2019; 119:11761-11817. [DOI: 10.1021/acs.chemrev.9b00437] [Citation(s) in RCA: 164] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yoav Y. Broza
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Xi Zhou
- School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi’an 710072, P.R. China
| | - Miaomiao Yuan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518033, P.R. China
| | - Danyao Qu
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
| | - Youbing Zheng
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Rotem Vishinkin
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Muhammad Khatib
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Weiwei Wu
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
| | - Hossam Haick
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
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Sarkar K, Sil PC. Infectious Lung Diseases and Endogenous Oxidative Stress. OXIDATIVE STRESS IN LUNG DISEASES 2019. [PMCID: PMC7122037 DOI: 10.1007/978-981-13-8413-4_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Lower respiratory tract infections, according to the World Health Organization, account for nearly one third of all deaths from infectious diseases. They account for approximately 4 million deaths annually including children and adults and provide a greater disease burden than HIV and malaria. Among the common respiratory diseases, tuberculosis, influenza, and pneumonia are very common and can be life threatening if not treated properly. The causative agent of tuberculosis is the slow-growing bacilli Mycobacterium tuberculosis, while the causative agent of influenza is a segmented genome RNA virus. Pneumonia can be caused by a number of different microorganisms like bacteria, virus, and mycoplasma. In case of the entry of a pathogen in our body, the immune system gets activated, and the phagocytic cells try to eliminate it by generating reactive oxygen and nitrogen species (ROS and RNS) inside the phagosome. These reactive species or respiratory bursts are sufficient to eliminate most of the pathogens, except a few. M. tuberculosis is one such microorganism that has evolved mechanisms to escape this respiratory burst-mediated killing and thus survive and grow inside the macrophages. Infection with M. tuberculosis leads to the destruction of macrophages and release of cytokines, which lead to prolonged immune activation and oxidative stress. In some cases, the bacilli remain dormant inside macrophages for a long time. Flu viruses infect the epithelial cells present in respiratory tract, and the infection site is dependent on the hemagglutinin protein present on their capsid. Destruction of epithelial cells promotes secretion of mucus and activation of immune system leading to the oxidative damage. Community-acquired pneumonia is more serious and difficult to treat. In all these infections, ROS/RNS are developed as a defense mechanism against the pathogen. Persistence of the pathogen for a long time would lead to the uncontrolled production of ROS/RNS which will lead to oxidative stress and tissue damage to the host. Administration of antioxidants along with conventional treatments can be useful in the elimination of the reactive oxygen and nitrogen species.
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Qiu H, Shi Y, Li Y, Shen X, Li R, Yang Q, Pan Q, Yan F. Incident rate and risk factors for tuberculosis among patients with type 2 diabetes: retrospective cohort study in Shanghai, China. Trop Med Int Health 2017; 22:830-838. [PMID: 28449358 DOI: 10.1111/tmi.12884] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To examine the incident rate of tuberculosis (TB) and its associates among adults with type 2 diabetes in Shanghai, China. METHODS We conducted a retrospective cohort study among 170 399 patients with type 2 diabetes aged ≥18 years who were registered in Shanghai community-based diabetes management system between 2004 and 2009. Their TB status was tracked until 31 December 2014. Cox regression was performed to identify the risk factors for TB. RESULTS We documented 785 new TB cases during 654 977 person-years of follow-up. The incident rate of TB was 224.20 (206.69, 243.16) per 100 000 person-years among men and 51.34 (44.75, 58.92) per 100 000 person-years among women. A 1-unit increase of BMI was associated with a risk reduction in 16% (P < 0.01) for men and a 14% (P < 0.01) reduction for women. TB cases were more likely to be insulin-dependent [men: hazard ratio = 2.13 (1.29, 3.53); women: 3.28 (1.28, 8.39)] and had a poor glucose level initially [men: 1.21 (1.15, 1.27); women: 1.27 (1.18, 1.37)]. The risk factor for TB specific to men was a young age at diagnosis of diabetes, and the protective factor specific to women was actively engaging in physical activity. CONCLUSIONS TB incident rate among patients with type 2 diabetes was substantially higher among men than among women. The risk of TB was reversely associated with initial BMI. The severity of poor glucose control among patients with diabetes was also linearly associated with the risk of TB.
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Affiliation(s)
- Hanbo Qiu
- Department of Social Medicine, Fudan University, Shanghai, China.,Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Yan Shi
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Yanyun Li
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Xin Shen
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Rui Li
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Qundi Yang
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Qichao Pan
- Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Fei Yan
- Department of Social Medicine, Fudan University, Shanghai, China
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Jee B, Sharma P, Katoch K, Joshi B, Awasthi SK. IL-10 down-regulates the expression of survival associated gene hspX of Mycobacterium tuberculosis in murine macrophage. Braz J Infect Dis 2017; 21:386-390. [PMID: 28435012 PMCID: PMC9427975 DOI: 10.1016/j.bjid.2017.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 01/19/2017] [Accepted: 03/03/2017] [Indexed: 01/05/2023] Open
Abstract
Mycobacterium tuberculosis (MTB) adopts a special survival strategy to overcome the killing mechanism(s) of host immune system. Amongst the many known factors, small heat shock protein 16.3 (sHSP16.3) of MTB encoded by gene hspX has been reported to be critical for the survival of MTB. In the present study, the effect of recombinant murine interferon-gamma (rmIFN-γ) and recombinant murine interleukin-10 (rmIL-10) on the expression of gene hspX of MTB in murine macrophage RAW264.7 has been investigated. By real-time RT-PCR, it was observed that three increasing concentrations (5, 25 and 50 ng/ml) of rmIFN-γ significantly up-regulated the expression of hspX whereas similar concentrations of rmIL-10 (5, 25 and 50 ng/ml) significantly down-regulated the hspX expression. This effect was not only dependent on the concentration of the stimulus but this was time-dependent as well. A contrasting pattern of hspX expression was observed against combinations of two different concentrations of rmIFN-γ and rmIL-10. The study results suggest that rIL-10 mediated down-regulation of hspX expression, in the presence of low concentration of rIFN-γ, could be used as an important strategy to decrease the dormancy of MTB in its host and thus making MTB susceptible to the standard anti-mycobacterial therapy used for treating tuberculosis. However, as these are only preliminary results in the murine cell line model, this hypothesis needs to be first validated in human cell lines and subsequently in animal models mimicking the latent infection using clinical isolates of MTB before considering the development of modified regimens for humans.
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Affiliation(s)
- Babban Jee
- National JALMA Institute for Leprosy and other Mycobacterial Diseases (ICMR), Department of Microbiology and Molecular Biology, Agra, India; Chhatrapati Shahu Ji Maharaj University, Institute of Life Sciences, Kanpur, India
| | - Pawan Sharma
- International Centre for Genetic Engineering and Biotechnology, Immunology Group, New Delhi, India
| | - Kiran Katoch
- National JALMA Institute for Leprosy and other Mycobacterial Diseases (ICMR), Agra, India
| | - Beenu Joshi
- National JALMA Institute for Leprosy and other Mycobacterial Diseases (ICMR), Department of Immunology, Agra, India
| | - Sudhir Kumar Awasthi
- Chhatrapati Shahu Ji Maharaj University, Institute of Life Sciences, Kanpur, India.
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8
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Beiranvand E, Abediankenari S, Valiyari S, Rezaei MS, Rostamian M, Beiranvand B, Khaligh A, Khani S. Single nucleotide polymorphisms of IFNγ (+874 A/T) and IFNγR1 (-56 C/T) in Iranian patients with TB. Trans R Soc Trop Med Hyg 2016; 110:604-609. [PMID: 27941164 DOI: 10.1093/trstmh/trw074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 10/19/2016] [Accepted: 11/08/2016] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Two important genes for controlling TB are IFNγ and IFNγR1. However, little information exists regarding genetic susceptibility of the Iranian TB population. METHODS We investigated the single nucleotide polymorphisms (SNPs) in genes of IFNγ (+874 A/T) and IFNγR1 (-56 C/T) and serum level of IFNγ and their influence on TB in patients; 300 patients with TB and 300 healthy controls were enrolled in this study. PCR-restriction fragment length polymorphism was used to identify SNPs and serum level of IFNγ was measured by ELISA. RESULTS The allelic and the genotypic form of IFNγ+874 A/T SNP of the studied population were not significant (p>0.05). Allele T frequencies of IFNγR1 -56 C/T promoter region in patients with pulmonary TB (PTB) or extrapulmonary TB (EPTB) were significantly greater than allele C. The -56 TT motif of IFNγR1 is associated with both forms of TB (p<0.05). The serum level of IFNγ was significantly higher in patients with TB than in controls, but there was no significant difference between serum level of IFNγ and the studied genotypes (p>0.05). CONCLUSIONS The cause of active TB in the patients seems to be due to the lack of effective IFNγ function or the lack of effective signaling connection between IFNγ and its receptor in presence of -56 C/T polymorphism in promoter region of IFNγR1 gene.
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Affiliation(s)
- Elham Beiranvand
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran, Biotechnology Department, Pasteur Institute of Iran, Tehran, Iran
| | - Saeid Abediankenari
- Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Samira Valiyari
- Department of Medical Biotechnology, Pasteur Institute of Iran, Tehran, Iran
| | - Mohammad Sadegh Rezaei
- Booalisina Hospital, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | | | | | - Ali Khaligh
- Sabzevar University of Medical Science, Sabzevar, Iran
| | - Soghra Khani
- Biochemistry Department, Pasteur Institute of Iran, Tehran, Iran
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Breet Y, Schutte AE, Huisman HW, Eloff FC, Du Plessis JL, Kruger A, Van Rooyen JM. Lung function, inflammation and cardiovascular mortality in Africans. Eur J Clin Invest 2016; 46:901-910. [PMID: 27600376 DOI: 10.1111/eci.12674] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 09/04/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND The link between impaired lung function and cardiovascular outcome is well established in European and American populations. It is possible that this association may be driven by a systemic spillover of inflammation occurring within the lungs. As several studies have found an increased level of inflammatory markers in African populations, we aimed to establish the contribution of lung function in predicting all-cause and cardiovascular mortality in Africans, whilst taking inflammatory markers into account. DESIGN We followed 1442 black South Africans from the North West Province participating in the South African leg of the Prospective Urban and Rural Epidemiology (PURE) study, over a five-year period. Spirometry, cardiovascular and metabolic measures were performed, and cardiovascular mortality as well as all-cause mortality used as endpoints. RESULTS In univariate Cox regression models, both forced expiratory volume in 1-s (FEV1 ) and forced vital capacity (FVC) predicted all-cause (P = 0·022; P < 0·001) and cardiovascular mortality (P = 0·004; P < 0·001). In multivariate adjusted standardized Cox regression analyses, only FVC predicted cardiovascular mortality independent of several covariates (hazard ratio, 0·57 [0·35-0·94]), including C-reactive protein (CRP). When CRP was replaced by interleukin-6 in the model, the significance of FVC was lost (hazard ratio, 0·85 [0·55-1·30]). CONCLUSION FVC, but not FEV1 , is a strong predictor of both all-cause and CV mortality in black South Africans, which may be mediated by inflammation.
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Affiliation(s)
- Yolandi Breet
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa
| | - Aletta E Schutte
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.,MRC Research Unit for Hypertension and Cardiovascular Disease, North-West University, Potchefstroom, South Africa
| | - Hugo W Huisman
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.,MRC Research Unit for Hypertension and Cardiovascular Disease, North-West University, Potchefstroom, South Africa
| | - Fritz C Eloff
- Occupational Hygiene and Health Research Initiative (OHHRI), North-West University, Potchefstroom, South Africa
| | - Johan L Du Plessis
- Occupational Hygiene and Health Research Initiative (OHHRI), North-West University, Potchefstroom, South Africa
| | - Annamarie Kruger
- MRC Research Unit for Hypertension and Cardiovascular Disease, North-West University, Potchefstroom, South Africa.,Africa Unit for Transdisciplinary Health Research (AUTHeR), North-West University, Potchefstroom, South Africa
| | - Johannes M Van Rooyen
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.
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Ramos-Espinosa O, Hernández-Bazán S, Francisco-Cruz A, Mata-Espinosa D, Barrios-Payán J, Marquina-Castillo B, López-Casillas F, Carretero M, del Río M, Hernández-Pando R. Gene therapy based in antimicrobial peptides and proinflammatory cytokine prevents reactivation of experimental latent tuberculosis. Pathog Dis 2016; 74:ftw075. [DOI: 10.1093/femspd/ftw075] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2016] [Indexed: 11/12/2022] Open
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11
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Barrios-Payán J, Revuelta A, Mata-Espinosa D, Marquina-Castillo B, Villanueva EB, Gutiérrez MEH, Pérez-Sánchez G, Pavón L, Hernandez-Pando R. The contribution of the sympathetic nervous system to the immunopathology of experimental pulmonary tuberculosis. J Neuroimmunol 2016; 298:98-105. [DOI: 10.1016/j.jneuroim.2016.07.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Revised: 07/06/2016] [Accepted: 07/13/2016] [Indexed: 11/24/2022]
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Abstract
Malnutrition and tuberculosis are both problems mostly of the developing countries. Tuberculosis can lead to malnutrition and malnutrition may predispose to tuberculosis. Poor nutrition leads to protein-energy malnutrition and micronutrients deficiencies which lead to immunodeficiency. This secondary immunodeficiency increases the host's susceptibility to infection and hence increase the risk for developing tuberculosis. Tuberculosis itself leads to reduction in appetite, nutrient malabsorption, micronutrient malabsorption, and altered metabolism leading to wasting and poor nutritional status. Nutritional status and dietary intake and hence nutritional status of patients get improved during antituberculosis treatment.
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Affiliation(s)
- Surya Kant
- a Department of Pulmonary Medicine, C. S. M. Medical University (Erstwhile King George Medical College) , Lucknow , UP , India
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13
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Hunter RL. Tuberculosis as a three-act play: A new paradigm for the pathogenesis of pulmonary tuberculosis. Tuberculosis (Edinb) 2016; 97:8-17. [PMID: 26980490 DOI: 10.1016/j.tube.2015.11.010] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 11/22/2015] [Accepted: 11/29/2015] [Indexed: 01/08/2023]
Abstract
Lack of access to human tissues with untreated tuberculosis (TB) has forced generations of researchers to use animal models and to adopt a paradigm that granulomas are the characteristic lesion of both primary and post primary TB. An extended search of studies of human lung tissues failed to find any reports that support this paradigm. We found scores of publications from gross pathology in 1804 through high resolution CT scans in 2015 that identify obstructive lobular pneumonia, not granulomas, as the characteristic lesion of developing post-primary TB. This paper reviews this literature together with other relevant observations to formulate a new paradigm of TB with three distinct stages: a three-act play. First, primary TB, a war of attrition, begins with infection that spreads via lymphatics and blood stream before inducing systemic immunity that contains and controls the organisms within granulomas. Second, post-primary TB, a sneak attack, develops during latent TB as an asymptomatic obstructive lobular pneumonia in persons with effective systemic immunity. It is a paucibacillary process with no granulomas that spreads via bronchi and accumulates mycobacterial antigens and host lipids for 1-2 years before suddenly undergoing caseous necrosis. Third, the fallout, is responsible for nearly all clinical post primary disease. It begins with caseous necrotic pneumonia that is either retained to become the focus of fibrocaseous disease or is coughed out to leave a cavity. This three-stage paradigm suggests testable hypotheses and plausible answers to long standing questions of immunity to TB.
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Affiliation(s)
- Robert L Hunter
- Department of Pathology and Laboratory Medicine, University of Texas Health Sciences Center at Houston, MSB 2.136, 6431 Fannin, Houston, TX 77030, USA.
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14
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Achkar JM, Chan J, Casadevall A. B cells and antibodies in the defense against Mycobacterium tuberculosis infection. Immunol Rev 2015; 264:167-81. [PMID: 25703559 DOI: 10.1111/imr.12276] [Citation(s) in RCA: 136] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Better understanding of the immunological components and their interactions necessary to prevent or control Mycobacterium tuberculosis (Mtb) infection in humans is critical for tuberculosis (TB) vaccine development strategies. Although the contributory role of humoral immunity in the protection against Mtb infection and disease is less defined than the role of T cells, it has been well-established for many other intracellular pathogens. Here we update and discuss the increasing evidence and the mechanisms of B cells and antibodies in the defense against Mtb infection. We posit that B cells and antibodies have a variety of potential protective roles at each stage of Mtb infection and postulate that such roles should be considered in the development strategies for TB vaccines and other immune-based interventions.
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15
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Xi X, Zhang C, Han W, Zhao H, Zhang H, Jiao J. MicroRNA-223 Is Upregulated in Active Tuberculosis Patients and Inhibits Apoptosis of Macrophages by Targeting FOXO3. Genet Test Mol Biomarkers 2015; 19:650-6. [PMID: 26505221 DOI: 10.1089/gtmb.2015.0090] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
BACKGROUND Macrophage apoptosis is a host innate defense mechanism against tuberculosis (TB). AIM In this study, we aimed to investigate the role of microRNA-223 (miR-223) in macrophage apoptosis of TB. METHODS We analyzed apoptosis in peripheral blood macrophages of active TB patients, infected human macrophages (TDMs and MDMs) with the Mycobacterium tuberculosis (Mtb) strain H37Rv, and observed the expression of miR-223 to investigate the relationship between miR-223 and macrophage apoptosis induced by Mtb. RESULTS The apoptosis rate of peripheral blood macrophages decreased in active TB patients compared with healthy controls, and miR-223 expression increased significantly in macrophages after H37Rv infection. Transfection of human macrophages (TDMs and MDMs) with miR-223 inhibited macrophage apoptosis. We also demonstrated that miR-223 directly suppressed forkhead box O3 (FOXO3), and FOXO3 played a critical role as a mediator of the biological effects of miR-223 in macrophage apoptosis. The overexpression of FOXO3 remarkably reversed the apoptosis inhibitory effect of miR-223. CONCLUSION Our data provide new clues for the essential role of miR-223 in the regulation of anti-Mtb-directed immune responses, which relies on the regulation of FOXO3 expression.
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Affiliation(s)
- Xiue Xi
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
| | - Chunxiao Zhang
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
| | - Wei Han
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
| | - Huayang Zhao
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
| | - Huiqiang Zhang
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
| | - Junhua Jiao
- Department of Tuberculosis, The First Hospital Affiliated to the Xinxiang Medical College , Xinxiang, Henan, China
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16
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Kondratieva TK, Linge IA, Kondratieva EV, Dyatlov AV, Drutskaya MS, Zvartsev RV, Nedospasov SA, Apt AS. Formation of compact aggregates of B-lymphocytes in lung tissue during mycobacterial infection in mice depends on TNF production by these cells and is not an element of the host's immunological protection. BIOCHEMISTRY (MOSCOW) 2015; 79:1358-62. [PMID: 25716729 DOI: 10.1134/s0006297914120098] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Tumor necrosis factor (TNF) plays a pivotal role in the early control of Mycobacterium tuberculosis and M. avium infections by a host. It was previously shown that both phagocyte-derived and T-cell-derived TNF productions are critical for protective immunity against M. tuberculosis, but the role of TNF produced by B-cells remained unclear. By comparing mice with B-cell-specific TNF deletion to littermate control mice, here we show that TNF production by B-lymphocytes is essential for the formation of infection-specific aggregates of B-cells in the lung. It is likely that these compact foci represent a pathogenic feature of inflammatory response rather than an element of protective immunity, since the capacity to form aggregates has no influence on the severity of M. tuberculosis- and M. avium-triggered diseases.
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Affiliation(s)
- T K Kondratieva
- Central Research Institute of Tuberculosis, Russian Academy of Medical Sciences, Moscow, 107564, Russia.
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17
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Hernández-Pando R, Barrios-Payán J, Mata-Espinosa D, Marquina-Castillo B, Hernández-Ramírez D, Botasso OA, Isabel Bini E. The Role of High Mobility Group Box 1 Protein (HMGB1) in the Immunopathology of Experimental Pulmonary Tuberculosis. PLoS One 2015. [PMID: 26201072 PMCID: PMC4511675 DOI: 10.1371/journal.pone.0133200] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Background The high mobility group box 1 (HMGB1) is the prototype of alarmin protein released by stressed or dying cells. The redox state of this protein confers different functions in the regulation of inflammation and immune response. Aim Determine the kinetics, cellular sources and function of HMGB1 in experimental tuberculosis. Methods BALB/c mice were infected with Mycobacterium tuberculosis strain H37Rv. At different time points, HMGB1 was quantified in bronchial lavage fluid (BALF) and in lungs was determined its cellular sources by immunohistochemistry. HMGB1 was blocked with specific antibodies or recombinant HMGB1 was administered during early or late infection. Bacilli burdens, inflammation and cytokines expression were determined. Results The maximal concentration of HMGB1 in BALF was at day one of infection. Bronchial epithelium and macrophages were the most important sources. At day 7 to 21 the oxidized HMGB1 was predominant, while during late infection only the reduced form was seen. Blocking HMGB1 during early infection produced significant decrease of bacilli burdens and high production of pro-inflammatory cytokines, while the opposite was seen when HMGB1 was administered. Blocking HMGB1 activity or administrated it in high amounts during late infection worsening the disease. Conclusions HMGB1 is liberated during experimental tuberculosis and promotes or suppress the immune response and inflammation depending on the redox state.
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Affiliation(s)
- Rogelio Hernández-Pando
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
| | - Jorge Barrios-Payán
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
| | - Dulce Mata-Espinosa
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
| | - Brenda Marquina-Castillo
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
| | - Diego Hernández-Ramírez
- Immunology Department, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
| | - Oscar Adelmo Botasso
- Institute of Experimental and Clinic Immunology, Rosario, IDICER, CONICET, School of Medical Sciences, Santa Fe 3100, Rosario, 2000, Argentina
| | - Estela Isabel Bini
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition “Salvador Zubirán”, México City, 14000, México
- Institute of Experimental and Clinic Immunology, Rosario, IDICER, CONICET, School of Medical Sciences, Santa Fe 3100, Rosario, 2000, Argentina
- * E-mail:
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18
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Yang D, Kong Y. The bacterial and host factors associated with extrapulmonary dissemination of Mycobacterium tuberculosis. ACTA ACUST UNITED AC 2015; 10:252-261. [PMID: 26557138 DOI: 10.1007/s11515-015-1358-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
With high morbidity and mortality worldwide, tuberculosis (TB) is still an important public health threat. The majority of human TB cases are caused by Mycobacterium tuberculosis. Although pulmonary TB is the most common presentation, M. tuberculosis can disseminate into other organs and causes extrapulmonary TB (EPTB). The dissemination of bacteria from the initial site of infection to other organs can lead to fatal diseases, such as miliary and meningeal TB. Thoroughly understanding the mechanisms and pathways of dissemination would develop therapies to prevent the lethal prognosis of EPTB (miliary and meningeal TB) and vaccines to promote the development of adaptive immunity. This review focuses on risk factors of EPTB, bacterial and host genes involved in EPTB, and potential mechanisms of M. tuberculosis extrapulmonary dissemination.
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Affiliation(s)
- Dong Yang
- The Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Ying Kong
- The Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
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19
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Bhattacharya D, Dwivedi VP, Maiga M, Maiga M, Van Kaer L, Bishai WR, Das G. Small molecule-directed immunotherapy against recurrent infection by Mycobacterium tuberculosis. J Biol Chem 2014; 289:16508-15. [PMID: 24711459 PMCID: PMC4047417 DOI: 10.1074/jbc.m114.558098] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Tuberculosis remains the biggest infectious threat to humanity with one-third of the population infected and 1.4 million deaths and 8.7 million new cases annually. Current tuberculosis therapy is lengthy and consists of multiple antimicrobials, which causes poor compliance and high treatment dropout, resulting in the development of drug-resistant variants of tuberculosis. Therefore, alternate methods to treat tuberculosis are urgently needed. Mycobacterium tuberculosis evades host immune responses by inducing T helper (Th)2 and regulatory T (Treg) cell responses, which diminish protective Th1 responses. Here, we show that animals (Stat-6−/−CD4-TGFβRIIDN mice) that are unable to generate both Th2 cells and Tregs are highly resistant to M. tuberculosis infection. Furthermore, simultaneous inhibition of these two subsets of Th cells by therapeutic compounds dramatically reduced bacterial burden in different organs. This treatment was associated with the generation of protective Th1 immune responses. As these therapeutic agents are not directed to the harbored organisms, they should avoid the risk of promoting the development of drug-resistant M. tuberculosis variants.
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Affiliation(s)
- Debapriya Bhattacharya
- From the Laboratory Medicine and Medical Sciences, College of Health Sciences, University of Kwazulu Natal, Durban 4001, South Africa
| | - Ved Prakash Dwivedi
- From the Laboratory Medicine and Medical Sciences, College of Health Sciences, University of Kwazulu Natal, Durban 4001, South Africa
| | - Mamoudou Maiga
- the Center for Tuberculosis Research, Department of Medicine, The Johns Hopkins University, Baltimore, Maryland 21231-1001, and
| | - Mariama Maiga
- the Center for Tuberculosis Research, Department of Medicine, The Johns Hopkins University, Baltimore, Maryland 21231-1001, and
| | - Luc Van Kaer
- the Department of Pathology, Microbiology and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | - William R Bishai
- the Center for Tuberculosis Research, Department of Medicine, The Johns Hopkins University, Baltimore, Maryland 21231-1001, and
| | - Gobardhan Das
- From the Laboratory Medicine and Medical Sciences, College of Health Sciences, University of Kwazulu Natal, Durban 4001, South Africa,
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20
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Doimo NTS, Zárate-Bladés CR, Rodrigues RF, Tefé-Silva C, Trotte MNS, Souza PRM, Soares LS, Rios WM, Floriano EM, Brandão IT, Masson AP, Coelho V, Ramos SG, Silva CL. Immunotherapy of tuberculosis with Mycobacterium leprae Hsp65 as a DNA vaccine triggers cross-reactive antibodies against mammalian Hsp60 but not pathological autoimmunity. Hum Vaccin Immunother 2014; 10:1238-43. [PMID: 24607935 DOI: 10.4161/hv.28249] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Despite substantial efforts in recent years toward the development of new vaccines and drugs against tuberculosis (TB), success has remained elusive. Immunotherapy of TB with mycobacterial Hsp65 as a DNA vaccine (DNA-hsp65) results in a reduction of systemic bacterial loads and lung tissue damage, but the high homology of Hsp65 with the mammalian protein raises concern that pathological autoimmune responses may also be triggered. We searched for autoimmune responses elicited by DNA-hsp65 immunotherapy in mice chronically infected with TB by evaluating the humoral immune response and comprehensive histopathology using stereology. Cross-reactive antibodies between mycobacterial and mammalian Hsp60/65 were detected; however, no signs of pathological autoimmunity were found up to 60 days after the end of the therapy.
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Affiliation(s)
- Nayara T S Doimo
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Carlos R Zárate-Bladés
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Rodrigo F Rodrigues
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Cristiane Tefé-Silva
- Department of Pathology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Marcele N S Trotte
- Veterinary Medical Department of Anatomical Pathology; State University of Rio de Janeiro; Rio de Janeiro, Brazil
| | - Patrícia R M Souza
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Luana S Soares
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Wendy M Rios
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Elaine M Floriano
- Department of Pathology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Izaira T Brandão
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Ana P Masson
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Verônica Coelho
- Laboratory of Immunology; Heart Institute (InCor); School of Medicine; University of São Paulo; São Paulo, Brazil; Institute for Investigation in Immunology (iii)-National Institute of Science and Technology; São Paulo, Brazil
| | - Simone G Ramos
- Department of Pathology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
| | - Celio L Silva
- The Centre for Tuberculosis Research; Department of Biochemistry and Immunology; Ribeirão Preto School of Medicine; University of São Paulo; São Paulo, Brazil
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Prokaryotic expression and functional analysis of the Mb1514 gene in Mycobacterium bovis. Mol Cell Biochem 2013; 385:43-52. [PMID: 24141863 DOI: 10.1007/s11010-013-1813-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2013] [Accepted: 09/13/2013] [Indexed: 12/11/2022]
Abstract
The ability of mycobacteria to grow and invade target tissues is the key component in the process of Mycobacterium bovis infection. Therefore, analysis of the proteins responsible for cell invasion will assist clinicians in combating bovine tuberculosis. The Mb1514 gene of M. bovis encodes a hypothetical invasion protein (designated here as MbINV protein), whose function has not yet been directly identified. In this study, the Mb1514 gene from M. bovis was cloned, and expressed in E. coli. The recombinant MbINV protein (a single band of approximately 28 kDa) was purified for biological analysis. Our data demonstrated that recombinant MbINV protein significantly inhibited the viability of RAW264.7 macrophages in a dose-dependent manner (P < 0.05), and induced cell necrosis, indicating that the protein is toxic. MbINV protein infection significantly enhanced the mRNA expression levels of TNF-α, IL-1β, and NOS2 (P < 0.01), suggesting that MbINV protein may be one of the virulence factors which directly interact with macrophages and modulate the host immune response to M. bovis. An invasion inhibition assay showed that MbINV-inhibited M. bovis invasion of RAW264.7 cells in a concentration-dependant manner, demonstrating it is an invasion protein.
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22
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Jiménez-Arellanes A, Luna-Herrera J, Cornejo-Garrido J, López-García S, Castro-Mussot ME, Meckes-Fischer M, Mata-Espinosa D, Marquina B, Torres J, Hernández-Pando R. Ursolic and oleanolic acids as antimicrobial and immunomodulatory compounds for tuberculosis treatment. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 13:258. [PMID: 24098949 PMCID: PMC3853017 DOI: 10.1186/1472-6882-13-258] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 09/24/2013] [Indexed: 12/18/2022]
Abstract
BACKGROUND New alternatives for the treatment of Tuberculosis (TB) are urgently needed and medicinal plants represent a potential option. Chamaedora tepejilote and Lantana hispida are medicinal plants from Mexico and their hexanic extracts have shown antimycobacterial activity. Bioguided investigation of these extracts showed that the active compounds were ursolic acid (UA) and oleanolic acid (OA). METHODS The activity of UA and OA against Mycobacterium tuberculosis H37Rv, four monoresistant strains, and two drug-resistant clinical isolates were determined by MABA test. The intracellular activity of UA and OA against M. tuberculosis H37Rv and a MDR clinical isolate were evaluated in a macrophage cell line. Finally, the antitubercular activity of UA and OA was tested in BALB/c mice infected with M. tuberculosis H37Rv or a MDR strain, by determining pulmonary bacilli loads, tissue damage by automated histomorphometry, and expression of IFN-γ, TNF-α, and iNOS by quantitative RT-PCR. RESULTS The in vitro assay showed that the UA/OA mixture has synergistic activity. The intracellular activity of these compounds against M. tuberculosis H37Rv and a MDR clinical isolate in a macrophage cell line showed that both compounds, alone and in combination, were active against intracellular mycobacteria even at low doses. Moreover, when both compounds were used to treat BALB/c mice with TB induced by H37Rv or MDR bacilli, a significant reduction of bacterial loads and pneumonia were observed compared to the control. Interestingly, animals treated with UA and OA showed a higher expression of IFN-γ and TNF-α in their lungs, than control animals. CONCLUSION UA and OA showed antimicrobial activity plus an immune-stimulatory effect that permitted the control of experimental pulmonary TB.
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Affiliation(s)
- Adelina Jiménez-Arellanes
- Unidad de Investigación Médica en Farmacología, Hospital de Especialidades, CMN Siglo XXI, IMSS, Ave Cuauhtémoc 330, Col. Doctores, México 06720 D.F, México
| | - Julieta Luna-Herrera
- Laboratorio de Inmunoquímica II, Depto. Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México 11340 D.F, México
| | - Jorge Cornejo-Garrido
- Unidad de Investigación Médica en Farmacología, Hospital de Especialidades, CMN Siglo XXI, IMSS, Ave Cuauhtémoc 330, Col. Doctores, México 06720 D.F, México
| | - Sonia López-García
- Laboratorio de Inmunoquímica II, Depto. Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México 11340 D.F, México
| | - María Eugenia Castro-Mussot
- Laboratorio de Inmunoquímica II, Depto. Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México 11340 D.F, México
| | - Mariana Meckes-Fischer
- Unidad de Investigación Médica en Farmacología, Hospital de Especialidades, CMN Siglo XXI, IMSS, Ave Cuauhtémoc 330, Col. Doctores, México 06720 D.F, México
| | - Dulce Mata-Espinosa
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Secretaría de Salud, Vasco de Quiroga 15, Col. Sección XVI, Tlalpan 14000 D.F, México
| | - Brenda Marquina
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Secretaría de Salud, Vasco de Quiroga 15, Col. Sección XVI, Tlalpan 14000 D.F, México
| | - Javier Torres
- Unidad de Investigación Médica en Enfermedades Infecciosas y Parasitarias, Hospital de Pediatría, CMN Siglo XXI, IMSS, Ave Cuauhtémoc 330, Col. Doctores, México 06720 D.F, México
| | - Rogelio Hernández-Pando
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición “Salvador Zubirán”, Secretaría de Salud, Vasco de Quiroga 15, Col. Sección XVI, Tlalpan 14000 D.F, México
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Wang J, Zhou X, Pan B, Wang H, Shi F, Gan W, Yang L, Yin X, Xu B, Zhao D. Expression Pattern of Interferon-Inducible Transcriptional Genes in Neutrophils During Bovine Tuberculosis Infection. DNA Cell Biol 2013; 32:480-6. [DOI: 10.1089/dna.2012.1941] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Jin Wang
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xiangmei Zhou
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Bo Pan
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Huinuan Wang
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Fushan Shi
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Wenqiang Gan
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Lifeng Yang
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Xiaomin Yin
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Binrui Xu
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Deming Zhao
- State Key Lab of Agrobiotechnology, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
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25
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Kaul V, Bhattacharya D, Singh Y, Van Kaer L, Peters-Golden M, Bishai WR, Das G. An important role of prostanoid receptor EP2 in host resistance to Mycobacterium tuberculosis infection in mice. J Infect Dis 2012; 206:1816-25. [PMID: 23033144 DOI: 10.1093/infdis/jis609] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Mycobacterium tuberculosis, the causative agent of tuberculosis, resides and replicates within susceptible hosts by inhibiting host antimicrobial mechanisms. Prostaglandin E(2) (PGE(2)), produced by M. tuberculosis-infected macrophages, exerts a variety of immunomodulatory functions via 4 receptors (EP1-EP4), each mediating distinct PGE(2) functions. Here, we show that M. tuberculosis infection selectively upregulates EP2 messenger RNA expression in CD4(+) T cells. We found that EP2 deficiency in mice increases susceptibility to M. tuberculosis infection, which correlated with reduced antigen-specific T-cell responses and increased levels of CD4(+)CD25(+)Foxp3(+) T-regulatory cells. These findings have revealed an important role for EP2 in host immune defense against tuberculosis. As a G protein-coupled receptor, EP2 could serve as a target for immunotherapy of tuberculosis.
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Affiliation(s)
- Vandana Kaul
- Immunology Group, International Center for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
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26
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Enwonwu CO, Salako N. The periodontal disease-systemic health-infectious disease axis in developing countries. Periodontol 2000 2012; 60:64-77. [DOI: 10.1111/j.1600-0757.2012.00447.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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28
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Toossi Z, Wu M, Rojas R, Kalsdorf B, Aung H, Hirsch CS, Walrath J, Wolbink A, van Ham M, Silver RF. Induction of serine protease inhibitor 9 by Mycobacterium tuberculosis inhibits apoptosis and promotes survival of infected macrophages. J Infect Dis 2011; 205:144-51. [PMID: 22090449 DOI: 10.1093/infdis/jir697] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Our recent microarray analysis of infected human alveolar macrophages (AMs) found serine protease inhibitor 9 (PI-9) to be the most prominently expressed of a cluster of apoptosis-associated genes induced by virulent Mycobacterium tuberculosis. In the current study, we show that induction of PI-9 occurs within hours of infection with M. tuberculosis H37Rv and is maintained through 7 days of infection in both AMs and blood monocytes. Inhibition of PI-9 by small inhibitory RNA decreased M. tuberculosis-induced expression of the antiapoptotic molecule Bcl-2 and resulted in a corresponding increase in production of caspase 3, a terminal effector molecule of apoptosis. Further, PI-9 small inhibitory RNA mediated a significant reduction in the subsequent survival of M. tuberculosis within AMs. Thus PI-9 induction within human mononuclear phagocytes by virulent M. tuberculosis serves to protect these primary targets of infection from elimination by apoptosis and thereby promotes intracellular survival of the organism.
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Affiliation(s)
- Zahra Toossi
- Divisions of Infectious Diseases, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
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29
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Rook GAW, Hernandez-Pando R, Baker R. The Potential of the Endocrine System for Tuberculosis Therapy. J Pharm Pharmacol 2011. [DOI: 10.1111/j.2042-7158.1997.tb06149.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- G A W Rook
- Department of Bacteriology, UCL Medical School, 46 Cleveland Street, London W1P 6DB, UK
| | - R Hernandez-Pando
- Instituto Nacional de la Nutrition, Salvador Zubiran, 14000 Mexico DF
| | - R Baker
- Department of Bacteriology, UCL Medical School, 46 Cleveland Street, London W1P 6DB, UK
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30
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Rook GAW, Hernandez-Pando R, Stanford JL. Protection and Immunopathology in Tuberculosis. J Pharm Pharmacol 2011. [DOI: 10.1111/j.2042-7158.1997.tb06150.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- G A W Rook
- Department of Bacteriology, UCL Medical School, 46 Cleveland Street, London W1P 6DB, UK
| | - R Hernandez-Pando
- Instituto Nacional de la Nutricion, Salvador Zubiran, 14000 Mexico DF
| | - J L Stanford
- Department of Bacteriology, UCL Medical School, 46 Cleveland Street, London W1P 6DB, UK
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Liang L, Zhao YL, Yue J, Liu JF, Han M, Wang H, Xiao H. Interleukin-10 gene promoter polymorphisms and their protein production in pleural fluid in patients with tuberculosis. ACTA ACUST UNITED AC 2011; 62:84-90. [PMID: 21314735 DOI: 10.1111/j.1574-695x.2011.00791.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Associations of interleukin-10 (IL-10) gene promoter polymorphisms and pleural tuberculosis risk remain unclear. The objective of this study was to determine IL-10 gene promoter polymorphisms at -1082, -819 and -592 sites and their protein production in pleural fluid (PF) in patients with and without pleural tuberculosis. IL-10 gene promoter polymorphisms at the -1082, -819 and -592 sites were genotyped using a SNaPshot assay. Protein levels of IL-10 in PF were measured using an enzyme-linked immunosorbent assay. There were no significant differences in the genotype and allele frequencies of IL-10 gene promoter polymorphisms at position -1082 between the pleural tuberculosis and the control groups. However, the frequency of -819 T or -592 A alleles was significantly more common in patients with pleural tuberculosis than controls. The protein levels of IL-10 in PF were statistically higher in the pleural tuberculosis group than in the control group. Moreover, the polymorphisms at the -1082, -819 and -592 sites were associated with protein levels of IL-10 in PF in the pleural tuberculosis group, while in the control group, only the polymorphism at position -1082 correlated with the protein levels. These findings support the association between IL-10 promoter polymorphisms at -819 and -592 sites and their protein production with pleural tuberculosis risk.
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Affiliation(s)
- Li Liang
- Shanghai Key Laboratory of Mycobacterium Tuberculosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
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Abbott AN, Welsh KJ, Hwang SA, Płoszaj P, Choudhury T, Boyd S, Blackburn MR, Hunter, Jr. RL, Actor JK. IL-6 mediates 11βHSD type 2 to effect progression of the mycobacterial cord factor trehalose 6,6'-dimycolate-induced granulomatous response. Neuroimmunomodulation 2011; 18:212-25. [PMID: 21389736 PMCID: PMC3068753 DOI: 10.1159/000323776] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Accepted: 12/15/2010] [Indexed: 01/12/2023] Open
Abstract
Granulomatous structures are highly dynamic during active mycobacterial infection, with accompanying responsive inflammation contributing to modulation of pathology throughout the course of disease. The heightened inflammatory response coinciding with initiation and maintenance of newly developing granulomatous structures must be limited to avoid excessive damage to bystander tissue. Modulating the cellular bioavailability of glucocorticoids by local regulation of 11βHSD enzymes within responding tissue and parenchyma would allow controlled inflammatory response during infection. Mycobacterial glycolipid trehalose 6,6'-dimycolate was used to induce strong pulmonary granulomatous inflammation immunopathology. Pulmonary corticosterone was significantly increased at days 3 and 5 after administration. An inverse relationship of 11βHSD1 and 11βHSD2 message correlated with pathology development. Immunohistochemical analysis also demonstrated that 11βHSD2 is expressed in proximity to granulomatous lesions. A role for pro-inflammatory IL-6 cytokine in regulation of converting enzymes to control the granulomatous response was confirmed using gene-disrupted IL-6-/- mice. A model is proposed linking IL-6 to endocrine-derived factors which allows modification of active corticosterone into inert 11-dehydrocorticosterone at the site of granuloma formation to limit excessive parenchymal damage.
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Affiliation(s)
- April N. Abbott
- Department of Laboratory Medicine, University of Washington, Seattle, Wash., USA
| | - Kerry J. Welsh
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
- Department of Graduate School of Biomedical Sciences, University of Texas-Houston Health Science Center, Houston, Tex., USA
| | - Shen-An Hwang
- Department of Pathology, University of Texas-Houston, Houston, Tex., USA
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
| | | | - Tina Choudhury
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
| | - Sydney Boyd
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
| | - Michael R. Blackburn
- Department of Biochemistry and Molecular Biology, University of Texas-Houston, Houston, Tex., USA
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
- Department of Graduate School of Biomedical Sciences, University of Texas-Houston Health Science Center, Houston, Tex., USA
| | - Robert L. Hunter, Jr.
- Department of Pathology, University of Texas-Houston, Houston, Tex., USA
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
- Department of Graduate School of Biomedical Sciences, University of Texas-Houston Health Science Center, Houston, Tex., USA
| | - Jeffrey K. Actor
- Department of Pathology, University of Texas-Houston, Houston, Tex., USA
- Department of Medical School, University of Texas-Houston, Houston, Tex., USA
- Department of Graduate School of Biomedical Sciences, University of Texas-Houston Health Science Center, Houston, Tex., USA
- *Jeffrey K. Actor, PhD, Department of Pathology and Laboratory Medicine, MSB 2.214, University of Texas-Houston Medical School, 6431 Fannin, Houston, TX 77030 (USA), Tel. +1 713 500 5344, E-Mail
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Pelizon AC, Martins DR, Zorzella-Pezavento SFG, Seger J, Justulin LA, da Fonseca DM, Santos RR, Masson AP, Silva CL, Sartori A. Neonatal BCG immunization followed by DNAhsp65 boosters: highly immunogenic but not protective against tuberculosis - a paradoxical effect of the vector? Scand J Immunol 2010; 71:63-9. [PMID: 20384857 DOI: 10.1111/j.1365-3083.2009.02352.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new tuberculosis vaccine is urgently needed. Prime-boost strategies are considered very promising and the inclusion of BCG is highly desirable. In this investigation, we tested the protective efficacy of BCG delivered in the neonatal period followed by boosters in the adult phase with a DNA vaccine containing the hsp65 gene from Mycobacterium leprae (pVAXhsp65). Immune responses were characterized by serum anti-hsp65 antibody levels and IFN-gamma and IL-5 production by the spleen. Amounts of these cytokines were also determined in lung homogenates. Protective efficacy was established by the number of colony-forming units (CFU) and histopathological analysis of the lungs after challenge with Mycobacterium tuberculosis. Immunization with BCG alone triggered a significant reduction of CFU in the lungs and also clearly preserved the pulmonary parenchyma. BCG priming also increased the immunogenicity of pVAXhsp65. However, boosters with pVAXhsp65 or the empty vector abolished the protective efficacy of BCG. Also, higher IL-5 levels were produced by spleen and lungs after DNA boosters. These results demonstrated that neonatal BCG immunization followed by DNAhsp65 boosters is highly immunogenic but is not protective against tuberculosis.
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Affiliation(s)
- A C Pelizon
- Department of Microbiology and Immunology, Biosciences Institute, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
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Sosnik A, Carcaboso ÁM, Glisoni RJ, Moretton MA, Chiappetta DA. New old challenges in tuberculosis: potentially effective nanotechnologies in drug delivery. Adv Drug Deliv Rev 2010; 62:547-59. [PMID: 19914315 DOI: 10.1016/j.addr.2009.11.023] [Citation(s) in RCA: 151] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Accepted: 09/14/2009] [Indexed: 10/20/2022]
Abstract
Tuberculosis (TB) is the second most deadly infectious disease. Despite potentially curative pharmacotherapies being available for over 50 years, the length of the treatment and the pill burden can hamper patient lifestyle. Thus, low compliance and adherence to administration schedules remain the main reasons for therapeutic failure and contribute to the development of multi-drug-resistant (MDR) strains. Pediatric patients constitute a high risk population. Most of the first-line drugs are not commercially available in pediatric form. The design of novel antibiotics attempts to overcome drug resistance, to shorten the treatment course and to reduce drug interactions with antiretroviral therapies. On the other hand, the existing anti-TB drugs are still effective. Overcoming technological drawbacks of these therapeutic agents as well as improving the effectiveness of the drug by targeting the infection reservoirs remains the central aims of Pharmaceutical Technology. In this framework, nanotechnologies appear as one of the most promising approaches for the development of more effective and compliant medicines. The present review thoroughly overviews the state-of-the-art in the development of nano-based drug delivery systems for encapsulation and release of anti-TB drugs and discusses the challenges that are faced in the development of a more effective, compliant and also affordable TB pharmacotherapy.
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Quintero-Macias L, Santos-Mendoza T, Donis-Maturano L, Silva-Sanchez A, Aguilar D, Orozco H, Gicquel B, Estrada-Garcia I, Flores-Romo L, Hernandez-Pando R. T-Cell Responses and In Vivo Cytotoxicity in the Target Organ and the Regional Lymphoid Tissue During Airborne Infection with the Virulent Mycobacterium tuberculosis MT103 and its Lipid Mutant fadD26. Scand J Immunol 2010; 71:20-8. [DOI: 10.1111/j.1365-3083.2009.02335.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Mycobacterium tuberculosis culture filtrate proteins plus CpG Oligodeoxynucleotides confer protection to Mycobacterium bovis BCG-primed mice by inhibiting interleukin-4 secretion. Infect Immun 2009; 77:5311-21. [PMID: 19752029 DOI: 10.1128/iai.00580-09] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Culture filtrate proteins (CFP) are potential targets for tuberculosis vaccine development. We previously showed that despite the high level of gamma interferon (IFN-gamma) production elicited by homologous immunization with CFP plus CpG oligodeoxynucleotides (CFP/CpG), we did not observe protection when these mice were challenged with Mycobacterium tuberculosis. In order to use the IFN-gamma-inducing ability of CFP antigens, in this study we evaluated a prime-boost heterologous immunization based on CFP/CpG to boost Mycobacterium bovis BCG vaccination in order to find an immunization schedule that could induce protection. Heterologous BCG-CFP/CpG immunization provided significant protection against experimental tuberculosis, and this protection was sustained during the late phase of infection and was even better than that conferred by a single BCG immunization. The protection was associated with high levels of antigen-specific IFN-gamma and interleukin-17 (IL-17) and low IL-4 production. The deleterious role of IL-4 was confirmed when IL-4 knockout mice vaccinated with CFP/CpG showed consistent protection similar to that elicited by BCG-CFP/CpG heterologous immunization. These findings show that a single dose of CFP/CpG can represent a new strategy to boost the protection conferred by BCG vaccination. Moreover, different immunological parameters, such as IFN-gamma and IL-17 and tightly regulated IL-4 secretion, seem to contribute to the efficacy of this tuberculosis vaccine.
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Hernandez-Pando R, Orozco H, Aguilar D. Factors that deregulate the protective immune response in tuberculosis. Arch Immunol Ther Exp (Warsz) 2009; 57:355-67. [PMID: 19707720 DOI: 10.1007/s00005-009-0042-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2009] [Accepted: 03/16/2009] [Indexed: 11/28/2022]
Abstract
Tuberculosis (TB) is a chronic infectious disease which essentially affects the lungs and produces profound abnormalities on the immune system. Although most people infected by the tubercle bacillus (90%) do not develop the disease during their lifetime, when there are alterations in the immune system, such as co-infection with HIV, malnutrition, or diabetes, the risk of developing active disease increases considerably. Interestingly, during the course of active disease, even in the absence of immunosuppressive conditions, there is a profound and prolonged suppression of Mycobacterium tuberculosis-specific protective immune responses. Several immune factors can contribute to downregulate the protective immunity, permitting disease progression. In general, many of these factors are potent anti-inflammatory molecules that are probably overproduced with the intention to protect against tissue damage, but the consequence of this response is a decline in protective immunity facilitating bacilli growth and disease progression. Here the most significant participants in protective immunity are reviewed, in particular the factors that deregulate protective immunity in TB. Their manipulation as novel forms of immunotherapy are also briefly commented.
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Affiliation(s)
- Rogelio Hernandez-Pando
- Experimental Pathology Section, Department of Pathology, National Institute of Medical Sciences and Nutrition Salvador Zubirán, Tlalpan, Mexico City, CP-14000, México.
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Wilbur AK, Farnbach AW, Knudson KJ, Buikstra JE. Diet, tuberculosis, and the paleopathological record. CURRENT ANTHROPOLOGY 2009; 49:963-77; discussion 977-91. [PMID: 19391442 DOI: 10.1086/592434] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Osseous manifestation of infectious disease is of paramount importance to paleopathologists seeking to interpret ancient health, but the relationships among infectious agent exposure, development of disease, and skeletal involvement are complex. The outcome of an exposure strongly depends on multiple factors, including ecology, diet, nutrition, immune function, and the genetics of pathogen and host. Mycobacterial diseases are often studied in ancient remains but also are especially influenced by these factors; individual and population differences in severity and course are apparent following onset of active disease. The osteological record for these diseases represents the complex interplay of host and pathogen characteristics influencing within- and among-individual skeletal lesion prevalence and distribution. However, many of these characteristics may be assessed independently through the archaeological record. Here, we explore the contributions of dietary protein and iron to immune function, particularly the course and outcome of infection with Mycobacterium tuberculosis. We emphasize how nutrition may influence the dissemination of bacilli to the skeleton and subsequent formation of diagnostic lesions. We then generate models and hypotheses informed by this interplay and apply them to four prehistoric New World areas. Finally, discrepancies between our expectations and the observed record are explored as a basis for new hypotheses.
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Affiliation(s)
- A K Wilbur
- Center for Bioarchaeological Research, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA.
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Henao-Tamayo M, Palaniswamy GS, Smith EE, Shanley CA, Wang B, Orme IM, Basaraba RJ, DuTeau NM, Ordway D. Post-exposure vaccination against Mycobacterium tuberculosis. Tuberculosis (Edinb) 2009; 89:142-8. [PMID: 19264552 DOI: 10.1016/j.tube.2009.01.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2008] [Revised: 12/17/2008] [Accepted: 01/06/2009] [Indexed: 10/21/2022]
Abstract
Enhancing immunity to tuberculosis in animal models after exposure to the infection has proved difficult. In this study we used a newly described flow cytometric technique to monitor changes in cell populations accumulating in the lungs of guinea pigs challenged by low-dose aerosol infection with Mycobacterium tuberculosis and vaccinated 10 days later. On day 40 after infection the fusion protein F36 and a pool of Ag85A and ESAT6 vaccines had significant effects on the bacterial load, showed increased expression of the activation marker CD45+ on CD4+ T cells, and reduced numbers of heterophils. Lung pathology and pathology scores were marginally improved in animals given these vaccines, but lymph node pathology was not influenced. Despite early effects no changes in long-term survival were seen. These results suggest that a single post-exposure vaccination can initially slow the disease process. However, this effect is transient, but this could be of use in an multidrug resistant/extremely drug resistant outbreak situation because it could potentially slow the infection long enough to complete drug susceptibility testing and initiate effective chemotherapy.
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Aurtenetxe O, Barral M, Vicente J, de la Fuente J, Gortázar C, Juste RA. Development and validation of an enzyme-linked immunosorbent assay for antibodies against Mycobacterium bovis in European wild boar. BMC Vet Res 2008; 4:43. [PMID: 18976491 PMCID: PMC2606677 DOI: 10.1186/1746-6148-4-43] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2008] [Accepted: 11/01/2008] [Indexed: 11/24/2022] Open
Abstract
Background Bovine tuberculosis (bTB) remains a significant problem in some parts of Spain largely because of contacts between cattle and wildlife reservoirs in extensive grazing systems. European Wild boar (Sus scrofa) is one of the species involved in the transmission of the disease to other species. Fast and simple detection methods would be critical for assessing infection prevalence, study the mechanisms of pathogen transmission and monitoring the effects of TB control measures. Results An enzyme-linked immunosorbent assay (ELISA) to detect antibodies against Mycobacterium bovis in wild boar serum was developed and validated on 185 sera from TB positive and negative wild boar. Based on antigen inoculation of captive animals as well as tuberculosis compatible lesions, culture results and molecular analysis of hunted individuals, animals were allocated into two groups: tuberculosis positive group and tuberculosis negative group. After optimization of the positive to negative ratio using different combinations of serum dilutions and conjugate concentrations, the test yielded a sensitivity of 72.60% and a specificity of 96.43% for the best cut-off. Conclusion Although some negative group animals showed an ELISA positive reaction (< 3%), this assay showed a high potential for accurate diagnosis of TB in wild boar, as its large dynamic range supported a good discriminatory power and a satisfactory balance between sensitivity and specificity.
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Affiliation(s)
- Olaia Aurtenetxe
- Instituto Vasco de Investigación y Desarrollo Agrario (NEIKER-TECNALIA), Berreaga 1, 48160 Derio, Spain.
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Orally administered Mycobacterium vaccae modulates expression of immunoregulatory molecules in BALB/c mice with pulmonary tuberculosis. CLINICAL AND VACCINE IMMUNOLOGY : CVI 2008; 15:1730-6. [PMID: 18827195 DOI: 10.1128/cvi.00286-08] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The environmental saprophyte Mycobacterium vaccae induces a Th1 response and cytotoxic T cells that recognize M. tuberculosis, and by subcutaneous injection, it is therapeutic for pulmonary tuberculosis (TB) induced by high-dose challenge in BALB/c mice. However, M. vaccae also drives regulatory T cells that inhibit Th2 responses, and this is seen in allergy models, not only following subcutaneous injection but also after oral administration. An oral immunotherapeutic for TB would be clinically useful, so we investigated M. vaccae given orally by gavage at 28-day intervals in the TB model. We used two different protocols: starting the oral M. vaccae either 1 day before or 32 days after infection with M. tuberculosis. Throughout the infection (until 120 days), we monitored outcome (CFU), molecules involved in the development of immunoregulation (Foxp3, hemoxygenase 1, idoleamine 2,3-dioxygenase, and transforming growth factor beta [TGF-beta]), and indicators of cytokine balance (tumor necrosis factor, inducible nitric oxide synthase, interleukin-4 [IL-4], and IL-4delta2; an inhibitory splice variant of IL-4 associated with improved outcome in human TB). Oral M. vaccae had a significant effect on CFU and led to increased expression of Th1 markers and of IL-4delta2, while suppressing IL-4, Foxp3, and TGF-beta. When administered 1 day before infection, oral M. vaccae induced a striking peak of expression of hemoxygenase 1. In conclusion, we show novel information about the expression in TB of murine IL-4delta2 and molecules involved in immunoregulation and show that these can be modulated by oral administration of a saprophytic mycobacterium. A clinical trial of oral M. vaccae in extensively drug-resistant TB might be justified.
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Induction of a specific strong polyantigenic cellular immune response after short-term chemotherapy controls bacillary reactivation in murine and guinea pig experimental models of tuberculosis. CLINICAL AND VACCINE IMMUNOLOGY : CVI 2008; 15:1229-37. [PMID: 18524883 DOI: 10.1128/cvi.00094-08] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
RUTI is a therapeutic vaccine that is generated from detoxified and liposomed Mycobacterium tuberculosis cell fragments that has demonstrated its efficacy in the control of bacillus reactivation after short-term chemotherapy. The aim of this study was to characterize the cellular immune response generated after the therapeutic administration of RUTI and to corroborate the lack of toxicity of the vaccine. Mouse and guinea pig experimental models were infected with a low-dose M. tuberculosis aerosol. RUTI-treated animals showed the lowest bacillary load in both experimental models. RUTI also decreased the percentage of pulmonary granulomatous infiltration in the mouse and guinea pig models. This was not the case after Mycobacterium bovis BCG treatment. Cellular immunity was studied through the characterization of the intracellular gamma interferon (IFN-gamma)-producing cells after the splenocytes' stimulation with M. tuberculosis-specific structural and growth-related antigens. Our data show that the difference between the therapeutic administration of BCG and RUTI resides mainly in the stronger activation of IFN-gamma(+) CD4(+) cells and CD8(+) cells against tuberculin purified protein derivative, ESAT-6, and Ag85B that RUTI generates. Both vaccines also triggered a specific immune response against the M. tuberculosis structural antigens Ag16kDa and Ag38kDa and a marked mRNA expression of IFN-gamma, tumor necrosis factor, interleukin-12, inducible nitric oxide synthase, and RANTES in the lung. The results show that RUTI's therapeutic effect is linked not only to the induction of a Th1 response but also to the stimulation of a quicker and stronger specific immunity against structural and growth-related antigens that reduces both the bacillary load and the pulmonary pathology.
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Smith KC, Orme IM, Starke JR. Tuberculosis vaccines. Vaccines (Basel) 2008. [DOI: 10.1016/b978-1-4160-3611-1.50037-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Ordway D, Palanisamy G, Henao-Tamayo M, Smith EE, Shanley C, Orme IM, Basaraba RJ. The cellular immune response to Mycobacterium tuberculosis infection in the guinea pig. THE JOURNAL OF IMMUNOLOGY 2007; 179:2532-41. [PMID: 17675515 DOI: 10.4049/jimmunol.179.4.2532] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Pulmonary tuberculosis in guinea pigs is an extremely useful model for drug and vaccine testing due to the fact that its pathological disease process is similar to that present in humans. Progress in this field has been hindered because the tools necessary to undertake a complete immunological analysis of the guinea pig cellular immune response against Mycobacterium tuberculosis have been lacking. In this study, we combined a new flow cytometric gating strategy with immunohistochemistry to track T cells, B cells, and the MIL4 Ab, which detects both guinea pig heterophils (neutrophils) and eosinophils, to provide the first documentation of the kinetics of influx and positioning of these cell populations. The results show that the responding T cells are mostly CD4 cells and that after day 30 of the infection numbers of these cells in the lungs drops dramatically. These appear to be replaced by a steady increase in B cells and granulocytes which was associated with worsening lung pathology. These data reveal new information about the cellular phenotypes which mediate protective immunity or host immunopathogenesis during M. tuberculosis infection in this key animal model.
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Affiliation(s)
- Diane Ordway
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA.
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Kondratieva EV, Evstifeev VV, Kondratieva TK, Petrovskaya SN, Pichugin AV, Rubakova EI, Averbakh MM, Apt AS. I/St mice hypersusceptible to Mycobacterium tuberculosis are resistant to M. avium. Infect Immun 2007; 75:4762-8. [PMID: 17664269 PMCID: PMC2044522 DOI: 10.1128/iai.00482-07] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We previously demonstrated that mice of the I/St strain are extremely susceptible to Mycobacterium tuberculosis, as well as to the taxonomically distant intracellular bacteria Chlamydia pneumoniae and Salmonella enterica. To broaden our knowledge about the control of susceptibility to intracellular pathogens, we studied the infection caused by Mycobacterium avium virulent strain 724 in a panel of inbred mouse strains and found that I/St mice are resistant to M. avium. By comparing I/St mice with B6 mice, we demonstrated that (i) B6 mice are much more susceptible to infection caused by M. avium in terms of bacterial multiplication in the lung tissue and severity of lung pathology; (ii) in B6 mice but not in I/St mice infection leads to prolonged leukocyte infiltration of the lung tissue, development of necrotic lung granulomata, and lethality; and (iii) the unfavorable infectious course in B6 mice is accompanied by elevated production of gamma interferon, tumor necrosis factor alpha, and especially interleukin-12 in the lungs. Importantly, M. avium-resistant I/St mice carry a functional r allele of the Slc11a1 (formerly Nramp1) gene, while B6 mice have the Slc11a1(s) genotype. Segregation genetic analysis of (I/St x B6) F2 hybrids demonstrated that susceptibility or resistance to infection caused by M. avium largely depended upon the Slc11a1 genotype and that other genetic traits had a relatively weak influence. This close-to-monogenic pattern differs sharply from the host control of many other intracellular bacterial infections, for which the involvement of numerous quantitative trait loci has been ubiquitously observed.
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Affiliation(s)
- E V Kondratieva
- Department of Immunology, Central Institute for Tuberculosis, Moscow 107564, Russia
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Ordway D, Henao-Tamayo M, Harton M, Palanisamy G, Troudt J, Shanley C, Basaraba RJ, Orme IM. The HypervirulentMycobacterium tuberculosisStrain HN878 Induces a Potent TH1 Response followed by Rapid Down-Regulation. THE JOURNAL OF IMMUNOLOGY 2007; 179:522-31. [PMID: 17579073 DOI: 10.4049/jimmunol.179.1.522] [Citation(s) in RCA: 206] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The HN878 strain of Mycobacterium tuberculosis is regarded as "hypervirulent" due to its rapid growth and reduced survival of infected mice when compared with other clinical isolates. This property has been ascribed due to an early increase in type I IFNs and a failure to generate TH1-mediated immunity, induced by a response to an unusual cell wall phenolic glycolipid expressed by the HN878 isolate. We show, however, that although type I IFN does play an inhibitory role, this response was most apparent during the chronic disease stage and was common to all M. tuberculosis strains tested. In addition, we further demonstrate that the HN878 infection was associated with a potent TH1 response, characterized by the emergence of both CD4 and CD8 T cell subsets secreting IFN-gamma. However, where HN878 differed to the other strains tested was a subsequent reduction in TH1 immunity, which was temporally associated with the rapid emergence of a CD4+CD25+FoxP3+CD223+IL-10+ regulatory T cell population. This association may explain the paradoxical initial emergence of a TH1 response in these mice but their relatively short time of survival.
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Affiliation(s)
- Diane Ordway
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA.
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Zhang M, Yang Y, Xu Y, Qie Y, Wang J, Zhu B, Wang Q, Jin R, Xu S, Wang H. Trehalose-6-phosphate Phosphatase from Mycobacterium tuberculosis induces humoral and cellular immune responses. ACTA ACUST UNITED AC 2007; 49:68-74. [PMID: 17266712 DOI: 10.1111/j.1574-695x.2006.00174.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Trehalose-6-phosphate phosphatase is an enzyme strictly essential for the growth of mycobacteria. Subcellular fractionation of Mycobacterium tuberculosis and M. bovis bacillus Calmette-Guérin (BCG) located the trehalose-6-phosphate phosphatase in the cell wall and membrane fractions. Trehalose-6-phosphate phosphatase induced an increased Th1-type immune response in mice, characterized by an elevated level of interferon-gamma in antigen-stimulated splenocyte culture and a strong IgG2a antibody response. The trehalose-6-phosphate phosphatase was recognized by the sera of tuberculosis patients and BCG-vaccinated donors. The mycobacterial trehalose-6-phosphate phosphatase is an immunodominant antigen, and it may be a candidate for vaccine development for the control of tuberculosis.
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Affiliation(s)
- Min Zhang
- State Key Laboratory of Genetic Engineering, Institute of Genetics, School of Life Science, Fudan University, Shanghai, China
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Hernández-Pando R, Orozco-Esteves H, Maldonado HA, Aguilar-León D, Vilchis-Landeros MM, Mata-Espinosa DA, Mendoza V, López-Casillas F. A combination of a transforming growth factor-beta antagonist and an inhibitor of cyclooxygenase is an effective treatment for murine pulmonary tuberculosis. Clin Exp Immunol 2006; 144:264-72. [PMID: 16634800 PMCID: PMC1809666 DOI: 10.1111/j.1365-2249.2006.03049.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Transforming growth factor-beta (TGF-beta) and prostaglandins (PG) regulate the cell-mediated immune response, so it has been proposed that they affect the progression of pulmonary tuberculosis. Here we report that the administration of soluble betaglycan, a potent TGF-beta antagonist, and niflumic acid, a PG synthesis inhibitor, during the chronic phase of experimental murine tuberculosis enhanced Th1 and decreased Th2 cytokines, increased the expression of iNOS and reduced pulmonary inflammation, fibrosis and bacillary load. This immunotherapeutic approach resulted in significant control of the disease comparable to that achieved by anti-microbial treatment alone. Importantly, the combination of immunotherapy and anti-microbials resulted in an accelerated clearance of bacilli from the lung. These results confirm that TGF-beta and PG have a central pathophysiological role in the progression of pulmonary tuberculosis in the mouse and suggest that the addition of immunotherapy to conventional anti-microbial drugs might result in improved treatment of the disease.
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Affiliation(s)
- R Hernández-Pando
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Departamento de Patología, México City, DF, 04510 México
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Leemans JC, Wieland CW, Florquin S, van der Poll T, Vervoordeldonk MJBM. Mice overexpressing p40 in lungs have reduced leucocyte influx and slightly impaired resistance during tuberculosis. Immunology 2006; 117:409-18. [PMID: 16476061 PMCID: PMC1782238 DOI: 10.1111/j.1365-2567.2005.02315.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Interleukin (IL)-12 (p70) is a heterodimeric cytokine composed of p40 and p35, that plays a major role in the protective immune response to Mycobacterium tuberculosis. To define the role of p40 in lungs during pulmonary M. tuberculosis infection we generated transgenic (Tg) mice overexpressing p40 under control of the surfactant protein C promoter. Tg mice expressed the transgene in their lungs, yet demonstrated elevated pulmonary p40 protein levels. After infection, Tg mice displayed higher pulmonary p40 and p70 levels than wild type mice. Interferon-gamma concentrations were similar in uninfected and infected Tg and wild type mice, arguing against agonistic effects of p40. Tg mice demonstrated reduced recruitment of macrophages, lymphocytes and neutrophils to the lungs early after infection. This was accompanied by reduced pulmonary tumour necrosis factor-alpha, macrophage inflammatory protein (MIP)-2 and MIP-1alpha levels. This suggests that elevated p40 concentrations inhibited the chemotactic effects of p70 on leucocytes. Furthermore, Tg mice displayed slightly higher pulmonary mycobacterial outgrowth late in the infection than wild type mice. Taken together, we demonstrate that constitutive overexpression of p40 in lungs negatively influences IL-12-mediated leucocyte migration and protection against lung tuberculosis. This suggests a novel antagonistic role for p40 homodimers in regulating the chemotactic bioactivity of IL-12 after pulmonary mycobacterial infection.
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Affiliation(s)
- Jaklien C Leemans
- Laboratory of Experimental Internal Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.
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