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Al-Bari MAA, Peake N, Eid N. Tuberculosis-diabetes comorbidities: Mechanistic insights for clinical considerations and treatment challenges. World J Diabetes 2024; 15:853-866. [PMID: 38766427 PMCID: PMC11099355 DOI: 10.4239/wjd.v15.i5.853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/08/2024] [Accepted: 03/21/2024] [Indexed: 05/10/2024] Open
Abstract
Tuberculosis (TB) remains a leading cause of death among infectious diseases, particularly in poor countries. Viral infections, multidrug-resistant and ex-tensively drug-resistant TB strains, as well as the coexistence of chronic illnesses such as diabetes mellitus (DM) greatly aggravate TB morbidity and mortality. DM [particularly type 2 DM (T2DM)] and TB have converged making their control even more challenging. Two contemporary global epidemics, TB-DM behaves like a syndemic, a synergistic confluence of two highly prevalent diseases. T2DM is a risk factor for developing more severe forms of multi-drug resistant-TB and TB recurrence after preventive treatment. Since a bidirectional relationship exists between TB and DM, it is necessary to concurrently treat both, and promote recommendations for the joint management of both diseases. There are also some drug-drug interactions resulting in adverse treatment outcomes in TB-DM patients including treatment failure, and reinfection. In addition, autophagy may play a role in these comorbidities. Therefore, the TB-DM comorbidities present several health challenges, requiring a focus on multidisciplinary collaboration and integrated strategies, to effectively deal with this double burden. To effectively manage the comorbidity, further screening in affected countries, more suitable drugs, and better treatment strategies are required.
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Affiliation(s)
| | - Nicholas Peake
- Biosciences and Chemistry and Biomolecular Research Centre, Sheffield Hallam University, Sheffield S1 1WB, United Kingdom
| | - Nabil Eid
- Department of Anatomy, Division of Human Biology, School of Medicine, International Medical University, Kuala Lumpur 57000, Malaysia
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Yerezhepov D, Gabdulkayum A, Akhmetova A, Kozhamkulov U, Rakhimova S, Kairov U, Zhunussova G, Kalendar R, Akilzhanova A. Pulmonary tuberculosis epidemiology and genetics in Kazakhstan. Front Public Health 2024; 12:1340673. [PMID: 38706548 PMCID: PMC11066200 DOI: 10.3389/fpubh.2024.1340673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 04/08/2024] [Indexed: 05/07/2024] Open
Abstract
Background Tuberculosis (TB) is a major public health emergency in many countries, including Kazakhstan. Despite the decline in the incidence rate and having one of the highest treatment effectiveness in the world, the incidence rate of TB remains high in Kazakhstan. Social and environmental factors along with host genetics contribute to pulmonary tuberculosis (PTB) incidence. Due to the high incidence rate of TB in Kazakhstan, our research aimed to study the epidemiology and genetics of PTB in Kazakhstan. Materials and methods 1,555 participants were recruited to the case-control study. The epidemiology data was taken during an interview. Polymorphisms of selected genes were determined by real-time PCR using pre-designed TaqMan probes. Results Epidemiological risk factors like diabetes (χ2 = 57.71, p < 0.001), unemployment (χ2 = 81.1, p < 0.001), and underweight-ranged BMI (<18.49, χ2 = 206.39, p < 0.001) were significantly associated with PTB. VDR FokI (rs2228570) and VDR BsmI (rs1544410) polymorphisms were associated with an increased risk of PTB. A/A genotype of the TLR8 gene (rs3764880) showed a significant association with an increased risk of PTB in Asians and Asian males. The G allele of the rs2278589 polymorphism of the MARCO gene increases PTB susceptibility in Asians and Asian females. VDR BsmI (rs1544410) polymorphism was significantly associated with PTB in Asian females. A significant association between VDR ApaI polymorphism and PTB susceptibility in the Caucasian population of Kazakhstan was found. Conclusion This is the first study that evaluated the epidemiology and genetics of PTB in Kazakhstan on a relatively large cohort. Social and environmental risk factors play a crucial role in TB incidence in Kazakhstan. Underweight BMI (<18.49 kg/m2), diabetes, and unemployment showed a statistically significant association with PTB in our study group. FokI (rs2228570) and BsmI (rs1544410) polymorphisms of the VDR gene can be used as possible biomarkers of PTB in Asian males. rs2278589 polymorphism of the MARCO gene may act as a potential biomarker of PTB in Kazakhs. BsmI polymorphism of the VDR gene and rs2278589 polymorphism of the MARCO gene can be used as possible biomarkers of PTB risk in Asian females as well as VDR ApaI polymorphism in Caucasians.
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Affiliation(s)
- Dauren Yerezhepov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Aidana Gabdulkayum
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Ainur Akhmetova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Ulan Kozhamkulov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Saule Rakhimova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Ulykbek Kairov
- Laboratory of Bioinformatics and Systems Biology, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | | | - Ruslan Kalendar
- Laboratory of Bioinformatics and Systems Biology, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
| | - Ainur Akilzhanova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana, Kazakhstan
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Rasi V, Phelps KR, Paulson KR, Eickhoff CS, Chinnaraj M, Pozzi N, Di Gioia M, Zanoni I, Shakya S, Carlson HL, Ford DA, Kolar GR, Hoft DF. Homodimeric Granzyme A Opsonizes Mycobacterium tuberculosis and Inhibits Its Intracellular Growth in Human Monocytes via Toll-Like Receptor 4 and CD14. J Infect Dis 2024; 229:876-887. [PMID: 37671668 PMCID: PMC10938207 DOI: 10.1093/infdis/jiad378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 08/18/2023] [Accepted: 09/04/2023] [Indexed: 09/07/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb)-specific γ9δ2 T cells secrete granzyme A (GzmA) protective against intracellular Mtb growth. However, GzmA-enzymatic activity is unnecessary for pathogen inhibition, and the mechanisms of GzmA-mediated protection remain unknown. We show that GzmA homodimerization is essential for opsonization of mycobacteria, altered uptake into human monocytes, and subsequent pathogen clearance within the phagolysosome. Although monomeric and homodimeric GzmA bind mycobacteria, only homodimers also bind cluster of differentiation 14 (CD14) and Toll-like receptor 4 (TLR4). Without access to surface-expressed CD14 and TLR4, GzmA fails to inhibit intracellular Mtb. Upregulation of Rab11FIP1 was associated with inhibitory activity. Furthermore, GzmA colocalized with and was regulated by protein disulfide isomerase AI (PDIA1), which cleaves GzmA homodimers into monomers and prevents Mtb inhibitory activity. These studies identify a previously unrecognized role for homodimeric GzmA structure in opsonization, phagocytosis, and elimination of Mtb in human monocytes, and they highlight PDIA1 as a potential host-directed therapy for prevention and treatment of tuberculosis, a major human disease.
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Affiliation(s)
- Valerio Rasi
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
- Department of Internal Medicine, Division of Infectious Diseases, Allergy and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Kathleen R Phelps
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
- Department of Internal Medicine, Division of Infectious Diseases, Allergy and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Keegan R Paulson
- Department of Internal Medicine, Division of Infectious Diseases, Allergy and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Christopher S Eickhoff
- Department of Internal Medicine, Division of Infectious Diseases, Allergy and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Mathivanan Chinnaraj
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Nicola Pozzi
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Marco Di Gioia
- Harvard Medical School and Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Ivan Zanoni
- Harvard Medical School and Division of Immunology, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Shubha Shakya
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Haley L Carlson
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - David A Ford
- Department of Biochemistry and Molecular Biology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Grant R Kolar
- Department of Pathology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Daniel F Hoft
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
- Department of Internal Medicine, Division of Infectious Diseases, Allergy and Immunology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
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Yerezhepov D, Gabdulkayum A, Akhmetova A, Kozhamkulov UA, Rakhimova SE, Kairov UY, Zhunussova G, Kalendar RN, Akilzhanova A. Vitamin D Status, VDR, and TLR Polymorphisms and Pulmonary Tuberculosis Epidemiology in Kazakhstan. Nutrients 2024; 16:558. [PMID: 38398882 PMCID: PMC10892443 DOI: 10.3390/nu16040558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Tuberculosis (TB) and vitamin D deficiency remain major public health problems in Kazakhstan. Due to the high incidence of pulmonary tuberculosis in the country and based on the importance of vitamin D in the modulation of the immune response and the association of its deficiency with many health conditions, the aim of our research was to study the vitamin D status, VDR and TLR gene polymorphisms, and pulmonary tuberculosis epidemiology in Kazakhstan. METHODS A case-control study included 411 individuals diagnosed with pulmonary TB and 686 controls with no family history of pulmonary tuberculosis. Concentrations of serum vitamin D (25-(OH)D) levels were measured by electrochemiluminescence immunoassay. The gene polymorphisms were determined by real-time polymerase chain reaction (PCR) allelic discrimination assay using TaqMan probes. The association between the risk of pulmonary TB and polymorphisms was evaluated using multimodal logistic regression and assessed with the ORs, corresponding to 95% Cis, and the significance level was determined as p < 0.05. RESULTS 1097 individuals were recruited from 3 different regions of Kazakhstan. Biochemical data showed vitamin D deficiency (25-(OH)D < 20 ng/mL) was present in both groups, with the case group accounting for almost 95% and 43.7% in controls. Epidemiological data revealed that socioeconomic factors such as BMI < 25 kg/m2 (p < 0.001), employment (p < 0.001), diabetes (p < 0.001), and vitamin D deficiency (p < 0.001) were statistically different between case and control groups. Logistic regression analysis, adjusted by sex, age, BMI, residence, employment, smoking, alcohol consumption, and diabetes, showed that T/T polymorphism of the VDR gene (rs1544410, OR = 1.97, 95% CI: 1.04-3.72, p = 0.03) and A/A polymorphism of the TLR8 gene (rs3764880, OR = 2.44, 95% CI: 1.20-4.98, p = 0.01) were associated with a high risk of developing pulmonary tuberculosis. CONCLUSIONS Vitamin D deficiency remains prevalent in our study cohort and is associated with TB progression. Socioeconomic determinants such as unemployment, BMI under 25 kg/m2, and diabetes are the main risk factors for the development of pulmonary TB in our study. A/A polymorphism of TLR8 (rs3764880) and T/T polymorphism (BsmI, rs1544410) of VDR genes may act as biomarkers for pulmonary tuberculosis in the Kazakh population.
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Affiliation(s)
- Dauren Yerezhepov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Aidana Gabdulkayum
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ainur Akhmetova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ulan A. Kozhamkulov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Saule E. Rakhimova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ulykbek Y. Kairov
- Laboratory of Bioinformatics and Systems Biology, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | | | - Ruslan N. Kalendar
- Institute of Biotechnology HiLIFE, University of Helsinki, P.O. Box 65, 00014 Helsinki, Finland
| | - Ainur Akilzhanova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
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Kiss K, Bálint M, Gémes A, Marcsik A, Dávid Á, Évinger S, Gróf P, Gróh D, Gyenesei KÉ, János I, Kolozsi B, Kovács LO, Mateovics-László O, Líbor C, Merczi M, Molnár E, Németh CE, Pálfi G, Perémi Á, Rácz Z, Spekker O, Szőke BM, Tóth IZ, Tóth Z, Hajdu T, Szeniczey T. More than one millennium (2nd-16th century CE) of the White Plague in the Carpathian Basin - New cases, expanding knowledge. Tuberculosis (Edinb) 2023; 143S:102387. [PMID: 38012922 DOI: 10.1016/j.tube.2023.102387] [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: 01/21/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 11/29/2023]
Abstract
The causative agent of tuberculosis is still a widespread pathogen, which caused the death of ca. 1.6 million people globally in 2021. The paleopathological study of human remains revealed the antiquity of the disease and its continuous presence throughout the history of humankind. The Carpathian Basin has always been a biocultural melting pot, since it has seen several migrations over the centuries, and served as a location of admixture and interaction for numerous populations of different cultures. Thus, this geographical territory is ideal for the examination of the coevolutionary processes of hosts and their pathogens. We aimed to reveal the spatial and temporal distribution of tuberculosis cases excavated inside the borders of Hungary between the 2nd and 16th centuries CE. We established a comprehensive database by collecting 114 already published cases and introducing 39 new cases. The involved cases include those that have been confirmed by different molecular methods, as well as possible infections that were identified based on the presence of macromorphological and radiological alterations. The progress of future molecular and paleopathological studies can be facilitated by our dataset, as it presents spatial and temporal information concerning the spread of the disease in the Carpathian Basin, as well as the biological profile and detailed paleopathological description of lesions illustrated by photo- and radiographs.
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Affiliation(s)
- Krisztián Kiss
- Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary; Department of Anthropology, Hungarian Natural History Museum, Ludovika tér 2-6, 1083, Budapest, Hungary; Faculty of Health Sciences, University of Miskolc, 3515 Miskolc-Egyetemváros B3-B4 épület, Hungary.
| | - Marianna Bálint
- Hajdúsági Museum, Kossuth Lajos u. 1, 4220, Hajdúböszörmény, Hungary.
| | - Anett Gémes
- Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary.
| | - Antónia Marcsik
- Department of Biological Anthropology, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary.
| | - Áron Dávid
- Salisbury Kft., Sánc utca 7., 1016, Budapest, Hungary.
| | - Sándor Évinger
- Department of Anthropology, Hungarian Natural History Museum, Ludovika tér 2-6, 1083, Budapest, Hungary.
| | - Péter Gróf
- Mátyás Király Museum, Hungarian National Museum, Fő utca 29., 2025, Visegrád, Hungary.
| | - Dániel Gróh
- Mátyás Király Museum, Hungarian National Museum, Fő utca 29., 2025, Visegrád, Hungary.
| | - Katalin Éva Gyenesei
- Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary.
| | - István János
- Institute of Environmental Science, University of Nyíregyháza, Sóstói út 31/B, 4400, Nyíregyháza, Hungary.
| | | | | | - Orsolya Mateovics-László
- National Institute of Archaeology, Hungarian National Museum, Múzeum krt. 14-16, 1088, Budapest, Hungary.
| | - Csilla Líbor
- Hungarian National Museum, Múzeum krt. 14-16, 1088, Budapest, Hungary.
| | - Mónika Merczi
- Bálint Balassa Museum, Hungarian National Museum, Mindszenty hercegprímás tere 5, 2500, Esztergom, Hungary.
| | - Erika Molnár
- Department of Biological Anthropology, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary.
| | - Csilla Emese Németh
- Department of Molecular Biology, Semmelweis University, Üllői út 26, 1085, Budapest, Hungary.
| | - György Pálfi
- Department of Biological Anthropology, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary.
| | - Ágota Perémi
- Laczkó Dezső Múzeum, Török Ignác u. 7., 8200, Veszprém, Hungary.
| | - Zsófia Rácz
- Institute of Archaeological Sciences, Eötvös Loránd University, Múzeum krt. 4/b, 1088, Budapest, Hungary.
| | - Olga Spekker
- Department of Biological Anthropology, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary; Institute of Archaeological Sciences, Eötvös Loránd University, Múzeum krt. 4/b, 1088, Budapest, Hungary; Ancient and Modern Human Genomics Competence Centre, University of Szeged, Közép fasor 52, 6726, Szeged, Hungary.
| | - Béla Miklós Szőke
- Institute of Archaeology, Research Centre for Humanities, Hungarian Research Network, Tóth Kálmán u. 4, 1097, Budapest, Hungary.
| | | | - Zoltán Tóth
- Archaeological Collection, István Dobó Castle Museum, Vár 1, 3300, Eger, Hungary.
| | - Tamás Hajdu
- Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary.
| | - Tamás Szeniczey
- Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary.
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Yu J, Liu M, Mijiti X, Liu H, Wang Q, Yin C, Anwaierjiang A, Xu M, Li M, Deng L, Xiao H, Zhao X, Wan K, Li G, Yuan X. Association of Single-Nucleotide Polymorphisms in the VDR Gene with Tuberculosis and Infection of Beijing Genotype Mycobacterium tuberculosis. Infect Drug Resist 2023; 16:3157-3169. [PMID: 37235072 PMCID: PMC10208660 DOI: 10.2147/idr.s407595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open
Abstract
Background The aim of the present study was to investigate the association between vitamin D receptor (VDR) gene polymorphism and tuberculosis susceptibility, as well as the potential interaction of host genetic factors with the heterogeneity of Mycobacterium tuberculosis in the population from Xinjiang, China. Methods From January 2019 to January 2020, we enrolled 221 tuberculosis patients as the case group and 363 staff with no clinical symptoms as the control group from four designated tuberculosis hospitals in southern Xinjiang, China. The polymorphisms of Fok I, Taq I, Apa I, Bsm I, rs3847987 and rs739837 in the VDR were detected by sequencing. M. tuberculosis isolates were collected from the case group and identified as Beijing or non-Beijing lineage by multiplex PCR. Propensity score (PS), univariate analysis and multivariable logistic regression models were used to perform the analysis. Results Our results showed that the allele and genotype frequencies of Fok I, Taq I, Apa I, Bsm I, rs3847987 and rs739837 in VDR were not correlated with tuberculosis susceptibility or lineages of M. tuberculosis. Two out of six loci of the VDR gene formed one haplotype block, and none of the haplotypes was found to correlate with tuberculosis susceptibility or lineages of M. tuberculosis infected. Conclusion Polymorphisms in the VDR gene may not indicate susceptibility to tuberculosis. There was also no evidence on the interaction between the VDR gene of host and the lineages of M. tuberculosis in the population from Xinjiang, China. Further studies are nonetheless required to prove our conclusions.
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Affiliation(s)
- Jinjie Yu
- School of Public Health, University of South China, Hengyang, 421001, People’s Republic of China
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Mengwen Liu
- School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, 830011, People’s Republic of China
| | - Xiaokaiti Mijiti
- The Eighth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830049, People’s Republic of China
| | - Haican Liu
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Quan Wang
- The Eighth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830049, People’s Republic of China
| | - Chunjie Yin
- School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, 830011, People’s Republic of China
| | | | - Miao Xu
- The Eighth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830049, People’s Republic of China
| | - Machao Li
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Lele Deng
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China
| | - Hui Xiao
- School of Public Health, Xinjiang Medical University, Urumqi, Xinjiang, 830011, People’s Republic of China
| | - Xiuqin Zhao
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Kanglin Wan
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Guilian Li
- State Key Laboratory for Infectious Disease Prevention and Control, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China
| | - Xiuqin Yuan
- School of Public Health, University of South China, Hengyang, 421001, People’s Republic of China
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Krug S, Prasad P, Xiao S, Lun S, Ruiz-Bedoya CA, Klunk M, Ordonez AA, Jain SK, Srikrishna G, Kramnik I, Bishai WR. Adjunctive Integrated Stress Response Inhibition Accelerates Tuberculosis Clearance in Mice. mBio 2023; 14:e0349622. [PMID: 36853048 PMCID: PMC10128048 DOI: 10.1128/mbio.03496-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 01/09/2023] [Indexed: 03/01/2023] Open
Abstract
Despite numerous advances in tuberculosis (TB) drug development, long treatment durations have led to the emergence of multidrug resistance, which poses a major hurdle to global TB control. Shortening treatment time therefore remains a top priority. Host-directed therapies that promote bacterial clearance and/or lung health may improve the efficacy and treatment duration of tuberculosis antibiotics. We recently discovered that inhibition of the integrated stress response, which is abnormally activated in tuberculosis and associated with necrotic granuloma formation, reduced bacterial numbers and lung inflammation in mice. Here, we evaluated the impact of the integrated stress response (ISR) inhibitor ISRIB, administered as an adjunct to standard tuberculosis antibiotics, on bacterial clearance, relapse, and lung pathology in a mouse model of tuberculosis. Throughout the course of treatment, ISRIB robustly lowered bacterial burdens compared to the burdens with standard TB therapy alone and accelerated the time to sterility in mice, as demonstrated by significantly reduced relapse rates after 4 months of treatment. In addition, mice receiving adjunctive ISRIB tended to have reduced lung necrosis and inflammation. Together, our findings identify the ISR pathway as a promising therapeutic target with the potential to shorten TB treatment durations and improve lung health. IMPORTANCE Necrosis of lung lesions is a hallmark of tuberculosis (TB) that promotes bacterial growth, dissemination, and transmission. This process is driven by the persistent hyperactivation of the integrated stress response (ISR) pathway. Here, we show that adjunctive ISR inhibition during standard antibiotic therapy accelerates bacterial clearance and reduces immunopathology in a clinically relevant mouse model of TB, suggesting that host-directed therapies that de-escalate these pathological stress responses may shorten TB treatment durations. Our findings present an important conceptual advance toward overcoming the challenge of improving TB therapy and lowering the global burden of disease.
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Affiliation(s)
- Stefanie Krug
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Pankaj Prasad
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Shiqi Xiao
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Shichun Lun
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Camilo A. Ruiz-Bedoya
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Infection and Inflammation Imaging Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mariah Klunk
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Infection and Inflammation Imaging Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Alvaro A. Ordonez
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Infection and Inflammation Imaging Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Sanjay K. Jain
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Infection and Inflammation Imaging Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Geetha Srikrishna
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Igor Kramnik
- The National Emerging Infectious Diseases Laboratory, Boston University School of Medicine, Boston, Massachusetts, USA
- Department of Medicine, Pulmonary Center, Boston University School of Medicine, Boston, Massachusetts, USA
| | - William R. Bishai
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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8
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Sharma JB, Sharma S, Sharma E, Dharmendra S, Singh S. Immune disturbances in female genital tuberculosis and latent genital tuberculosis. Am J Reprod Immunol 2023; 89:e13632. [PMID: 36494901 DOI: 10.1111/aji.13632] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 09/07/2022] [Accepted: 10/03/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Female genital tuberculosis (FGTB), an important clinical sub-type of extra-pulmonary tuberculosis (EPTB) is responsible for about 10% cases of infertility in India. Both FGTB and latent genital tuberculosis (LGTB) can cause infertility through blockage of fallopian tubes and through altered uterine endometrial receptivity. AIMS This review tries to elucidates the role of various immune factors in FGTB and LGTB. CONTENT Various immune disturbances are observed in FGTB and LGTB like growth factors and cytokines which inhibit implantation and several inflammatory signaling pathways like mitogen activated protein kinase (MAPK), natural killer (NK) cells, nuclear factor kappa-B (NF-KB), tumor necrosis factor (TNF), and toll like receptors (TLR) signaling are dysregulated. These altered immune factors and pathways may be detected in the endometrial biopsies at the early stages of disease before permanent damage. Prompt and adequate treatment with the four anti-tubercular drugs (rifampicin [R], isoniazid [H], pyrazinamide [Z], and ethambutol [E]) can increase pregnancy rates in some of these women. Assisted reproduction especially in-vitro fertilization and embryo transfer may be required for some women. IMPLICATIONS Inflammatory pathways identified from the gene profiling have enabled development of potential biomarkers for early diagnosis of FGTB. Immunomodulation and novel biotechniques like stem cell transplantation, nanoparticles and host directed therapies are being tried in selected patients of FGTB and LGTB with promising results.
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Affiliation(s)
- Jai Bhagwan Sharma
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India
| | - Sangeeta Sharma
- Department of Paediatrics, National Institute of Tuberculosis and Respiratory Diseases, New Delhi, India
| | - Eshani Sharma
- Department of Medicine, KU School of Medicine, Wichita, Kansas, USA
| | - Sona Dharmendra
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India
| | - Sheena Singh
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India
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9
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Inflammation-mediated tissue damage in pulmonary tuberculosis and host-directed therapeutic strategies. Semin Immunol 2023; 65:101672. [PMID: 36469987 DOI: 10.1016/j.smim.2022.101672] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 12/04/2022]
Abstract
Treatment of tuberculosis (TB) involves the administration of anti-mycobacterial drugs for several months. The emergence of drug-resistant strains of Mycobacterium tuberculosis (Mtb, the causative agent) together with increased disease severity in people with co-morbidities such as diabetes mellitus and HIV have hampered efforts to reduce case fatality. In severe disease, TB pathology is largely attributable to over-exuberant host immune responses targeted at controlling bacterial replication. Non-resolving inflammation driven by host pro-inflammatory mediators in response to high bacterial load leads to pulmonary pathology including cavitation and fibrosis. The need to improve clinical outcomes and reduce treatment times has led to a two-pronged approach involving the development of novel antimicrobials as well as host-directed therapies (HDT) that favourably modulate immune responses to Mtb. HDT strategies incorporate aspects of immune modulation aimed at downregulating non-productive inflammatory responses and augmenting antimicrobial effector mechanisms to minimise pulmonary pathology and accelerate symptom resolution. HDT in combination with existing antimycobacterial agents offers a potentially promising strategy to improve the long-term outcome for TB patients. In this review, we describe components of the host immune response that contribute to inflammation and tissue damage in pulmonary TB, including cytokines, matrix metalloproteinases, lipid mediators, and neutrophil extracellular traps. We then proceed to review HDT directed at these pathways.
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10
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Cubillos-Angulo JM, Nogueira BMF, Arriaga MB, Barreto-Duarte B, Araújo-Pereira M, Fernandes CD, Vinhaes CL, Villalva-Serra K, Nunes VM, Miguez-Pinto JP, Amaral EP, Andrade BB. Host-directed therapies in pulmonary tuberculosis: Updates on anti-inflammatory drugs. Front Med (Lausanne) 2022; 9:970408. [PMID: 36213651 PMCID: PMC9537567 DOI: 10.3389/fmed.2022.970408] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/22/2022] [Indexed: 11/26/2022] Open
Abstract
Tuberculosis (TB) is a lethal disease and remains one of the top ten causes of mortality by an infectious disease worldwide. It can also result in significant morbidity related to persistent inflammation and tissue damage. Pulmonary TB treatment depends on the prolonged use of multiple drugs ranging from 6 months for drug-susceptible TB to 6–20 months in cases of multi-drug resistant disease, with limited patient tolerance resulting from side effects. Treatment success rates remain low and thus represent a barrier to TB control. Adjunct host-directed therapy (HDT) is an emerging strategy in TB treatment that aims to target the host immune response to Mycobacterium tuberculosis in addition to antimycobacterial drugs. Combined multi-drug treatment with HDT could potentially result in more effective therapies by shortening treatment duration, improving cure success rates and reducing residual tissue damage. This review explores the rationale and challenges to the development and implementation of HDTs through a succinct report of the medications that have completed or are currently being evaluated in ongoing clinical trials.
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Affiliation(s)
- Juan M. Cubillos-Angulo
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
| | - Betânia M. F. Nogueira
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
| | - María B. Arriaga
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
| | - Beatriz Barreto-Duarte
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
- Curso de Medicina, Universidade Salvador, Salvador, Brazil
- Programa de Pós-Graduação em Clínica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Araújo-Pereira
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
| | - Catarina D. Fernandes
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
| | - Caian L. Vinhaes
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
- Bahiana School of Medicine and Public Health, Bahia Foundation for the Development of Sciences, Salvador, Brazil
| | - Klauss Villalva-Serra
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
- Curso de Medicina, Universidade Salvador, Salvador, Brazil
| | | | | | - Eduardo P. Amaral
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Bruno B. Andrade
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador, Brazil
- Faculdade de Medicina, Universidade Federal da Bahia, Salvador, BA, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research Initiative, Salvador, Brazil
- Programa de Pós-Graduação em Clínica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Bahiana School of Medicine and Public Health, Bahia Foundation for the Development of Sciences, Salvador, Brazil
- *Correspondence: Bruno B. Andrade,
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11
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Kilinç G, Walburg KV, Franken KLMC, Valkenburg ML, Aubry A, Haks MC, Saris A, Ottenhoff THM. Development of Human Cell-Based In Vitro Infection Models to Determine the Intracellular Survival of Mycobacterium avium. Front Cell Infect Microbiol 2022; 12:872361. [PMID: 35811670 PMCID: PMC9263196 DOI: 10.3389/fcimb.2022.872361] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/24/2022] [Indexed: 11/21/2022] Open
Abstract
The Mycobacterium avium (Mav) complex accounts for more than 80% of all pulmonary diseases caused by non-tuberculous mycobacteria (NTM) infections, which have an alarming increase in prevalence and vary in different regions, currently reaching 0.3–9.8 per 100,000 individuals. Poor clinical outcomes, as a result of increasing microbial drug resistance and low treatment adherence due to drug-toxicities, emphasize the need for more effective treatments. Identification of more effective treatments, however, appears to be difficult, which may be due to the intracellular life of NTM and concomitant altered drug sensitivity that is not taken into account using traditional drug susceptibility testing screenings. We therefore developed human cell-based in vitro Mav infection models using the human MelJuSo cell line as well as primary human macrophages and a fluorescently labeled Mav strain. By testing a range of multiplicity of infection (MOI) and using flow cytometry and colony-forming unit (CFU) analysis, we found that an MOI of 10 was the most suitable for Mav infection in primary human macrophages, whereas an MOI of 50 was required to achieve similar results in MelJuSo cells. Moreover, by monitoring intracellular bacterial loads over time, the macrophages were shown to be capable of controlling the infection, while MelJuSo cells failed to do so. When comparing the MGIT system with the classical CFU counting assay to determine intracellular bacterial loads, MGIT appeared as a less labor-intensive, more precise, and more objective alternative. Next, using our macrophage Mav infection models, the drug efficacy of the first-line drug rifampicin and the more recently discovered bedaquiline on intracellular bacteria was compared to the activity on extracellular bacteria. The efficacy of the antibiotics inhibiting bacterial growth was significantly lower against intracellular bacteria compared to extracellular bacteria. This finding emphasizes the crucial role of the host cell during infection and drug susceptibility and highlights the usefulness of the models. Taken together, the human cell-based Mav infection models are reliable tools to determine the intracellular loads of Mav, which will enable researchers to investigate host–pathogen interactions and to evaluate the efficacy of (host-directed) therapeutic strategies against Mav.
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Affiliation(s)
- Gül Kilinç
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Kimberley V. Walburg
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Kees L. M. C. Franken
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Merel L. Valkenburg
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Alexandra Aubry
- Sorbonne Université, INSERM, Centre d’Immunologie et des Maladies Infectieuses, U1135, AP-HP, Hôpital Pitié-Salpêtrière, Centre National de Référence des Mycobactéries et de la Résistance des Mycobactéries aux Antituberculeux, Paris, France
| | - Mariëlle C. Haks
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
| | - Anno Saris
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
- *Correspondence: Anno Saris, ; orcid.org/0000-0003-0493-9501
| | - Tom H. M. Ottenhoff
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, Netherlands
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12
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Activating transcription factor 3 protects alveolar epithelial type II cells from Mycobacterium tuberculosis infection-induced inflammation. Tuberculosis (Edinb) 2022; 135:102227. [DOI: 10.1016/j.tube.2022.102227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/07/2022] [Accepted: 06/19/2022] [Indexed: 11/22/2022]
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13
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Host cell proteins modulated upon Toxoplasma infection identified using proteomic approaches: a molecular rationale. Parasitol Res 2022; 121:1853-1865. [PMID: 35552534 DOI: 10.1007/s00436-022-07541-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
Abstract
Toxoplasma gondii is a pathogenic protozoan parasite belonging to the apicomplexan phylum that infects the nucleated cells of warm-blooded hosts leading to an infectious disease known as toxoplasmosis. Apicomplexan parasites such as T. gondii can display different mechanisms to control or manipulate host cells signaling at different levels altering the host subcellular genome and proteome. Indeed, Toxoplasma is able to modulate host cell responses (especially immune responses) during infection to its advantage through both structural and functional changes in the proteome of different infected cells. Consequently, parasites can transform the invaded cells into a suitable environment for its own replication and the induction of infection. Proteomics as an applicable tool can identify such critical proteins involved in pathogen (Toxoplasma)-host cell interactions and consequently clarify the cellular mechanisms that facilitate the entry of pathogens into host cells, and their replication and transmission, as well as the central mechanisms of host defense against pathogens. Accordingly, the current paper reviews several proteins (identified using proteomic approaches) differentially expressed in the proteome of Toxoplasma-infected host cells (macrophages and human foreskin fibroblasts) and tissues (brain and liver) and highlights their plausible functions in the cellular biology of the infected cells. The identification of such modulated proteins and their related cell impact (cell responses/signaling) can provide further information regarding parasite pathogenesis and biology that might lead to a better understanding of therapeutic strategies and novel drug targets.
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14
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Hayford FEA, Dolman RC, Ozturk M, Nienaber A, Ricci C, Loots DT, Brombacher F, Blaauw R, Smuts CM, Parihar SP, Malan L. Adjunct n-3 Long-Chain Polyunsaturated Fatty Acid Treatment in Tuberculosis Reduces Inflammation and Improves Anemia of Infection More in C3HeB/FeJ Mice With Low n-3 Fatty Acid Status Than Sufficient n-3 Fatty Acid Status. Front Nutr 2021; 8:695452. [PMID: 34504860 PMCID: PMC8421789 DOI: 10.3389/fnut.2021.695452] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 07/23/2021] [Indexed: 02/02/2023] Open
Abstract
Populations at risk for tuberculosis (TB) may have a low n-3 polyunsaturated fatty acid (PUFA) status. Our research previously showed that post-infection supplementation of n-3 long-chain PUFA (LCPUFA) in TB without TB medication was beneficial in n-3 PUFA sufficient but not in low-status C3HeB/FeJ mice. In this study, we investigated the effect of n-3 LCPUFA adjunct to TB medication in TB mice with a low compared to a sufficient n-3 PUFA status. Mice were conditioned on an n-3 PUFA-deficient (n-3FAD) or n-3 PUFA-sufficient (n-3FAS) diet for 6 weeks before TB infection. Post-infection at 2 weeks, both groups were switched to an n-3 LCPUFA [eicosapentaenoic acid (EPA)/docosahexaenoic acid (DHA)] supplemented diet and euthanized at 4- and 14- days post-treatment. Iron and anemia status, bacterial loads, lung pathology, lung cytokines/chemokines, and lung lipid mediators were measured. Following 14 days of treatment, hemoglobin (Hb) was higher in the n-3FAD than the untreated n-3FAS group (p = 0.022), whereas the n-3FAS (drug) treated control and n-3FAS groups were not. Pro-inflammatory lung cytokines; interleukin-6 (IL-6) (p = 0.011), IL-1α (p = 0.039), MCP1 (p = 0.003), MIP1- α (p = 0.043), and RANTES (p = 0.034); were lower, and the anti-inflammatory cytokine IL-4 (p = 0.002) and growth factor GMCSF (p = 0.007) were higher in the n-3FAD compared with the n-3FAS mice after 14 days. These results suggest that n-3 LCPUFA therapy in TB-infected mice, in combination with TB medication, may improve anemia of infection more in low n-3 fatty acid status than sufficient status mice. Furthermore, the low n-3 fatty acid status TB mice supplemented with n-3 LCPUFA showed comparatively lower cytokine-mediated inflammation despite presenting with lower pro-resolving lipid mediators.
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Affiliation(s)
- Frank E A Hayford
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa.,Department of Dietetics, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Robin C Dolman
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Mumin Ozturk
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa.,Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa
| | - Arista Nienaber
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Cristian Ricci
- Pediatric Epidemiology, Department of Pediatrics, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Du Toit Loots
- Laboratory of Infectious Disease Metabolomics, Human Metabolomics, North-West University, Potchefstroom, South Africa
| | - Frank Brombacher
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa.,Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa.,Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) and Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
| | - Renée Blaauw
- Division of Human Nutrition, Stellenbosch University, Cape Town, South Africa
| | - Cornelius M Smuts
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Suraj P Parihar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa.,Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa.,Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) and Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa.,Division of Medical Microbiology, Institute of Infectious Diseases and Molecular Medicine (IDM), Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Linda Malan
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
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15
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Parveen S, Lun S, Urbanowski ME, Cardin M, Shen J, Murphy JR, Bishai WR. Effective host-directed therapy for tuberculosis by targeted depletion of myeloid-derived suppressor cells and related cells using a diphtheria toxin-based fusion protein. J Infect Dis 2021; 224:1962-1972. [PMID: 33955457 DOI: 10.1093/infdis/jiab235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 04/28/2021] [Indexed: 11/12/2022] Open
Abstract
Myeloid-derived suppressor cells (MDSCs) are present in elevated numbers in TB patients and have been found to be permissive for Mycobacterium tuberculosis (Mtb) proliferation. To determine whether depletion of MDSCs may improve host control of TB, we used a novel diphtheria toxin-based fusion protein known as DABIL-4 that targets and depletes IL-4-receptor positive cells. We show that DABIL-4 depletes both PMN-MDSCs and M-MDSC, increases IFNγ + T-cells, and reduces the lung bacillary burden in the mouse TB model. These results indicate that MDSC-depleting therapies targeting the IL-4 receptor are beneficial in TB and offer an avenue towards host-directed TB therapy.
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Affiliation(s)
- Sadiya Parveen
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - Shichun Lun
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - Michael E Urbanowski
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - Mitchell Cardin
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - Jessica Shen
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - John R Murphy
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - William R Bishai
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
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16
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Hayford FEA, Ozturk M, Dolman RC, Blaauw R, Nienaber A, Loots DT, Brombacher F, Smuts CM, Parihar SP, Malan L. Longer-Term Omega-3 LCPUFA More Effective Adjunct Therapy for Tuberculosis Than Ibuprofen in a C3HeB/FeJ Tuberculosis Mouse Model. Front Immunol 2021; 12:659943. [PMID: 33995381 PMCID: PMC8113969 DOI: 10.3389/fimmu.2021.659943] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 04/08/2021] [Indexed: 12/22/2022] Open
Abstract
Advancement in the understanding of inflammation regulation during tuberculosis (TB) treatment has led to novel therapeutic approaches being proposed. The use of immune mediators like anti-inflammatory and pro-resolving molecules for such, merits attention. Drug repurposing is a widely used strategy that seeks to identify new targets to treat or manage diseases. The widely explored nonsteroidal anti-inflammatory drug (NSAID) ibuprofen and a more recently explored pharmaconutrition therapy using omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFAs), have the potential to modulate the immune system and are thus considered potential repurposed drugs in this context. These approaches may be beneficial as supportive therapy to the already existing treatment regimen to improve clinical outcomes. Here, we applied adjunct ibuprofen and n-3 LCPUFA therapy, respectively, with standard anti-TB treatment, in a C3HeB/FeJ murine model of TB. Bacterial loads, lung pathology, lung cytokines/chemokines and lung lipid mediators were measured as outcomes. Lung bacterial load on day 14 post-treatment (PT) was lower in the n-3 LCPUFA, compared to the ibuprofen group (p = 0.039), but was higher in the ibuprofen group than the treated control group (p = 0.0315). Treated control and ibuprofen groups had more free alveolar space initially as compared to the n-3 LCPUFA group (4 days PT, p= 0.0114 and p= 0.002, respectively); however, significantly more alveolar space was present in the n-3 LCPUFA group as compared to the ibuprofen group by end of treatment (14 days PT, p = 0.035). Interleukin 6 (IL-6) was lower in the ibuprofen group as compared to the treated control, EPA/DHA and untreated control groups at 4 days PT (p = 0.019, p = 0.019 and p = 0.002, respectively). Importantly, pro-resolving EPA derived 9-HEPE, 11-HEPE, 12-HEPE and 18-HEPE lipid mediators (LMs) were significantly higher in the EPA/DHA group as compared to the ibuprofen and treated control groups. This suggests that n-3 LCPUFAs do improve pro-resolving and anti-inflammatory properties in TB, and it may be safe and effective to co-administer as adjunct therapy with standard TB treatment, particularly longer-term. Also, our results show host benefits upon short-term co-administration of ibuprofen, but not throughout the entire TB treatment course.
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Affiliation(s)
- Frank E. A. Hayford
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
- Department of Dietetics, School of Biomedical and Allied Health Sciences, College of Health Sciences, University of Ghana, Accra, Ghana
| | - Mumin Ozturk
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa
- Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa
| | - Robin C. Dolman
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Renee Blaauw
- Division of Human Nutrition, Stellenbosch University, Tygerberg, Cape Town, South Africa
| | - Arista Nienaber
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Du Toit Loots
- Laboratory of Infectious Disease Metabolomics, Human Metabolomics, North-West University, Potchefstroom, South Africa
| | - Frank Brombacher
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa
- Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) and Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
| | - Cornelius M. Smuts
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
| | - Suraj P. Parihar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town-Component, University of Cape Town, Cape Town, South Africa
- Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, University of Cape Town, Cape Town, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa) and Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
- Division of Medical Microbiology, Institute of Infectious Diseases and Molecular Medicine (IDM), Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Linda Malan
- Centre of Excellence for Nutrition, North-West University, Potchefstroom, South Africa
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17
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An ABC transporter Wzm-Wzt catalyzes translocation of lipid-linked galactan across the plasma membrane in mycobacteria. Proc Natl Acad Sci U S A 2021; 118:2023663118. [PMID: 33879617 DOI: 10.1073/pnas.2023663118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Mycobacterium tuberculosis, one of the deadliest pathogens in human history, is distinguished by a unique, multilayered cell wall, which offers the bacterium a high level of protection from the attacks of the host immune system. The primary structure of the cell wall core, composed of covalently linked peptidoglycan, branched heteropolysaccharide arabinogalactan, and mycolic acids, is well known, and numerous enzymes involved in the biosynthesis of its components are characterized. The cell wall biogenesis takes place at both cytoplasmic and periplasmic faces of the plasma membrane, and only recently some of the specific transport systems translocating the metabolic intermediates between these two compartments have been characterized [M. Jackson, C. M. Stevens, L. Zhang, H. I. Zgurskaya, M. Niederweis, Chem. Rev., 10.1021/acs.chemrev.0c00869 (2020)]. In this work, we use CRISPR interference methodology in Mycobacterium smegmatis to functionally characterize an ATP-binding cassette (ABC) transporter involved in the translocation of galactan precursors across the plasma membrane. We show that genetic knockdown of the transmembrane subunit of the transporter results in severe morphological changes and the accumulation of an aberrantly long galactan precursor. Based on similarities with structures and functions of specific O-antigen ABC transporters of gram-negative bacteria [C. Whitfield, D. M. Williams, S. D. Kelly, J. Biol. Chem. 295, 10593-10609 (2020)], we propose a model for coupled synthesis and export of the galactan polymer precursor in mycobacteria.
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Gautam K, Negi S, Saini V. Targeting endogenous gaseous signaling molecules as novel host-directed therapies against tuberculosis infection. Free Radic Res 2021; 55:655-670. [PMID: 33641567 DOI: 10.1080/10715762.2021.1892091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Tuberculosis (TB) is a chronic pulmonary disease caused by Mycobacterium tuberculosis which is a major cause of morbidity and mortality worldwide. Due to the complexity of disease and its continuous global spread, there is an urgent need to improvise the strategies for prevention, diagnosis, and treatment. The current anti-TB regimen lasts for months and warrants strict compliance to clear infection and to minimize the risk of development of multi drug-resistant tuberculosis. This underscores the need to have new and improved therapeutics for TB treatment. Several studies have highlighted the unique ability of Mycobacterium tuberculosis to exploit host factors to support its survival inside the intracellular environment. One of the key players to mycobacterial disease susceptibility and infection are endogenous gases such as oxygen, nitric oxide, carbon monoxide and hydrogen sulfide. Nitric oxide and carbon monoxide as the physiological gaseous messengers are considered important to the outcome of Mycobacterium tuberculosis infection. The role of hydrogen sulfide in human tuberculosis is yet not fully elucidated, but this gas has been shown to play a significant role in bacterial respiration, growth and pathogenesis. This review will focus on the host factors majorly endogenous gaseous signaling molecules which contributes to Mycobacterium tuberculosis survival inside the intracellular environment and highlight the potential therapeutic targets.
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Affiliation(s)
- Kamini Gautam
- Laboratory of Infection Biology and Translational Research, Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Sheetal Negi
- Laboratory of Infection Biology and Translational Research, Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Vikram Saini
- Laboratory of Infection Biology and Translational Research, Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
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Gupta A, Kumar A, Anand R, Bairagi N, Chatterjee S. Genome scale metabolic model driven strategy to delineate host response to Mycobacterium tuberculosis infection. Mol Omics 2021; 17:296-306. [PMID: 33595587 DOI: 10.1039/d0mo00138d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We analyze high throughput proteomics data reflecting the response of the Mφ-like THP1 cell line to Mycobacterium tuberculosis (M. tuberculosis) infection. M. tuberculosis's engagement with the host's metabolic pathways is a known strategy employed by the pathogen to shift the balance in its favour. Our study revisits this strategy through the integration of the temporal proteomics data in the genome-scale metabolic model (GSMM) giving context-specific GSMMs. THP1 cells were infected with H37Ra, H37Rv, BND433 and JAL2287 strains of M. tuberculosis and the host response was studied at 6, 18, 30 and 42 hours after infection. We have developed a modified flux balance analysis (FBA), which does not use an objective function, to find the fluxes of metabolic reactions in different strains and stages of infection and have revealed different functional modules. Hence, we have established a method of rewiring using GSMMs to explore potential strategies to change the flux state of virulent M. tuberculosis infected macrophages as against their avirulent counterparts. Our methodology gives a correlation between different flux states, the extent of which was interpreted as the extent of rewiring. The accuracy of the results from the proposed methodology was validated with gene knockout experimental data. We found that more than one reaction has to be rewired simultaneously to alter virulent to an avirulent response. The identified modules showed influence across the investigated strains and time points suggesting that these reactions could be therapeutically targeted. This novel methodology is now available for use in other systems.
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Affiliation(s)
- Ankur Gupta
- Complex Analysis Group, Translational Health Science and Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad-121001, India
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