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Banoo S, Yadav Y, Tyagi R, Manna A, Sagar R. Recent efforts in the development of glycoconjugate vaccine and available treatment for tuberculosis. Bioorg Chem 2024; 150:107610. [PMID: 38991488 DOI: 10.1016/j.bioorg.2024.107610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 06/23/2024] [Accepted: 06/30/2024] [Indexed: 07/13/2024]
Abstract
Tuberculosis (TB) continues to pose a grave threat to global health, despite relentless eradication efforts. In 1882, Robert Koch discovered that Mycobacterium tuberculosis (Mtb) is the bacterium responsible for causing tuberculosis. It is a fact that tuberculosis has claimed the lives of more than one billion people in the last few decades. It is imperative that we must take immediate and effective action to increase resources for TB research and treatment. Effective TB treatments demand an extensive investment of both time and finances, often requiring 6-9 months of rigorous antibiotic therapy. The most efficient way to control tuberculosis is by receiving a childhood Bacillus Calmette-Guérin (BCG) vaccination. Despite years of research on vaccine development, we still do not have any new approved vaccine for tuberculosis, except BCG, which is partially effective in young children. This review discusses briefly the available treatment for tuberculosis and remarkable advancements in glycoconjugate-based TB vaccine developments in recent years (2013-2024) and offers valuable direction for future research priorities.
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Affiliation(s)
- Sajida Banoo
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Yogesh Yadav
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Rajdeep Tyagi
- Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Arunava Manna
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India.
| | - Ram Sagar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India; Glycochemistry Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
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Jia P, Peng S, Zhang Y, Zhao J, Zhao Q, Wu X, Shen F, Sun K, Yu L, Cen S. Identification of immune-associated genes involved in latent Mycobacterium marinum infection. Microbes Infect 2024:105407. [PMID: 39178982 DOI: 10.1016/j.micinf.2024.105407] [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: 03/19/2024] [Revised: 07/22/2024] [Accepted: 08/13/2024] [Indexed: 08/26/2024]
Abstract
Tuberculosis (TB) is a high mortality infectious disease caused by Mycobacterium tuberculosis (Mtb), and often develops into latent infection. About 5~10% of latent infections turn into active tuberculosis when the host immune system becomes deficient. Therefore, exploring the latent infection mechanism of Mtb is pivotal for the prevention and treatment of tuberculosis. We first established the zebrafish latent infection model and the chronic infection model utilizing Mycobacterium marinum, which has the highly similar gene background to Mtb. Using the latent infection model, we characterized the gene expression profiles and found 462 genes expressed differentially in the latent period and chronic tuberculosis infection. These differentially expressed genes are involved in various biological processes including transcription, transcriptional regulation, organism development, and immune responses. Among them, nineteen immune-related genes were found to express differentially in the latent period. By analyzing immune related protein network, the genes in the center of the network, including Nos2b, TNFα, IL1, TNFβ, TLR1, TLR2, and TLR4b, displayed significant deferential expression in latent infection and chronic infection period of zebrafish, suggesting that these genes might play an important role in controlling latent infection of Mtb. Identifying immune biomarker related to the status of tuberculosis latent infection might lead to novel strategy for diagnosis and treatment.
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Affiliation(s)
- Pingping Jia
- Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China; Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China.
| | - Shize Peng
- Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences, Beijing, China
| | - Yi Zhang
- Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences, Beijing, China
| | - Jianyuan Zhao
- Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences, Beijing, China
| | - Qianqian Zhao
- Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China; Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China
| | - Xiaoxiao Wu
- Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China; Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China
| | - Fangqi Shen
- Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China; Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China
| | - Kai Sun
- Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China; Key Laboratory of Cancer FSMP for State Market Regulation, Beijing, China
| | - Liyan Yu
- Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences, Beijing, China
| | - Shan Cen
- Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences, Beijing, China.
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Chauhan KS, Dunlap MD, Akter S, Gupta A, Ahmed M, Rosa BA, Dela Peña NB, Mitreva M, Khader SA. Nuclear Factor κB Signaling Deficiency in CD11c-Expressing Phagocytes Mediates Early Inflammatory Responses and Enhances Mycobacterium tuberculosis Control. J Infect Dis 2024; 230:336-345. [PMID: 38324907 PMCID: PMC11326832 DOI: 10.1093/infdis/jiae060] [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: 08/12/2023] [Revised: 12/20/2023] [Accepted: 01/29/2024] [Indexed: 02/09/2024] Open
Abstract
Early innate immune responses play an important role in determining the protective outcome of Mycobacterium tuberculosis (Mtb) infection. Nuclear factor κB (NF-κB) signaling in immune cells regulates the expression of key downstream effector molecules that mount early antimycobacterial responses. Using conditional knockout mice, we studied the effect of abrogation of NF-κB signaling in different myeloid cell types and its impact on Mtb infection. Our results show that the absence of IKK2-mediated signaling in all myeloid cells resulted in increased susceptibility to Mtb infection. In contrast, the absence of IKK2-mediated signaling in CD11c+ myeloid cells induced early proinflammatory cytokine responses, enhanced the recruitment of myeloid cells, and mediated early resistance to Mtb. Abrogation of IKK2 in MRP8-expressing neutrophils did not affect disease pathology or Mtb control. Thus, we describe an early immunoregulatory role for NF-κB signaling in CD11c-expressing phagocytes and a later protective role for NF-κB in LysM-expressing cells during Mtb infection.
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Affiliation(s)
| | - Micah D Dunlap
- Department of Molecular Microbiology, Washington University in St Louis, Missouri
| | - Sadia Akter
- Department of Microbiology, University of Chicago, Illinois
| | - Ananya Gupta
- Department of Microbiology, University of Chicago, Illinois
| | - Mushtaq Ahmed
- Department of Microbiology, University of Chicago, Illinois
| | - Bruce A Rosa
- Division of Infectious Diseases, Department of Internal Medicine, Washington University in St Louis, Missouri
- McDonnell Genome Institute, Washington University in St Louis, Missouri
| | | | - Makedonka Mitreva
- Division of Infectious Diseases, Department of Internal Medicine, Washington University in St Louis, Missouri
- McDonnell Genome Institute, Washington University in St Louis, Missouri
| | - Shabaana A Khader
- Department of Microbiology, University of Chicago, Illinois
- Department of Molecular Microbiology, Washington University in St Louis, Missouri
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Pean P, Affi R, Chazalon C, Soumahoro BC, Gabillard D, Dim B, Borand L, Moh R, Anglaret X, Blanc FX, Girard PM, Carcelain G, Laureillard D, Weiss L. Rapid decrease in IL-1Ra and IP-10 plasma levels following tuberculosis treatment initiation. Int J Infect Dis 2024; 145:107096. [PMID: 38740279 DOI: 10.1016/j.ijid.2024.107096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 04/17/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024] Open
Abstract
OBJECTIVES Monitoring tools that could provide quick predictions of tuberculosis (TB) treatment outcomes are urgently needed. Here, we assessed whether the evolution of selected biomarkers of innate immunity may help monitoring TB treatment response within 2 weeks of treatment initiation. METHODS ANRS12394-LILAC-TB was a proof-of-concept prospective study: adults with a rifampicin-susceptible TB who are HIV-negative and HIV-infected documented by a positive Xpert MTB/RIF test were enrolled in Cambodia and Côte d'Ivoire. Plasma concentrations of interleukin-1 receptor antagonist (IL-1Ra), interferon-γ-induced protein-10 and clusters of differentiation (CD) (scavenging CD163) were measured by commercial enzyme-linked immunosorbent assay kits. A Wilcoxon test for paired data was used for longitudinal comparisons. RESULTS A total of 55 patients were enrolled (women: 31%, median age: 37 years; median CD4 count in the 10 of 13 participants with HIV: 53 cells/mm3). Overall, 83% were considered in TB treatment success. Compared with baseline, the IL-1Ra plasma levels significantly decreased as soon as week (W) 1, independent of HIV status (-71% in HIV-positive vs -33% in HIV-negative; P <0.001). The IP-10 plasma levels significantly decreased at W1 and W2 compared with baseline (P <0.0001); however, that decrease was less marked in participants with HIV. CONCLUSIONS Our findings suggest that measuring IL-1Ra plasma levels with a standard enzyme-linked immunosorbent assay technique at baseline and then 1 week after TB treatment onset could help clinicians to quickly assess TB treatment response.
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Affiliation(s)
- Polidy Pean
- Immunology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | | | - Corine Chazalon
- University of Bordeaux, National Institute for Health and Medical Research (INSERM) UMR 1219, Research Institute for Sustainable Development (IRD) EMR 271, Bordeaux Population Health Centre, Bordeaux, France
| | | | - Delphine Gabillard
- University of Bordeaux, National Institute for Health and Medical Research (INSERM) UMR 1219, Research Institute for Sustainable Development (IRD) EMR 271, Bordeaux Population Health Centre, Bordeaux, France
| | - Bunnet Dim
- Clinical Research Group, Epidemiology and Public Health Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Laurence Borand
- Clinical Research Group, Epidemiology and Public Health Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Raoul Moh
- Programme PAC-CI, Site ANRS de Côte d'Ivoire, Abidjan, Côte d'Ivoire; Unité pédagogique de Dermatologie et Infectiologie, Université Félix Houphouët-Boigny, Abidjan, Côte d'Ivoire
| | - Xavier Anglaret
- University of Bordeaux, National Institute for Health and Medical Research (INSERM) UMR 1219, Research Institute for Sustainable Development (IRD) EMR 271, Bordeaux Population Health Centre, Bordeaux, France
| | - François-Xavier Blanc
- Nantes Université, CHU Nantes, Service de Pneumologie, l'institut du thorax, Nantes, France
| | | | - Guislaine Carcelain
- Immunology Department, Robert Debré Hospital, APHP, Paris, France; Université Paris Cité, Paris, France
| | - Didier Laureillard
- Infectious and Tropical Diseases Department, University Hospital, Nîmes, France
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Seo H, Yoon Y, Kim S, Ghorbanian F, Tajdozian H, Jo S, Barman I, Lee S, Lee Y, Rahim MA, Hossain MS, Lee S, Song HY. Anti-tuberculosis effect of microbiome therapeutic PMC205 in extensively drug-resistant pulmonary tuberculosis in vivo. Int J Antimicrob Agents 2024; 64:107274. [PMID: 39002701 DOI: 10.1016/j.ijantimicag.2024.107274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 06/05/2024] [Accepted: 07/06/2024] [Indexed: 07/15/2024]
Abstract
BACKGROUND Tuberculosis is a highly contagious disease caused by Mycobacterium tuberculosis, and the increase in antibiotic resistance threatens humankind. Therefore, there is an urgent need to develop new anti-tuberculosis drugs that can overcome the limitations of existing drugs. Here, we report the anti-tuberculosis effect of microbiome therapeutic PMC205, a strain of Bacillus subtilis. METHODS The anti-tuberculosis activity of probiotics was evaluated in mouse models of lethal and latent pulmonary tuberculosis induced by high or low-dose infection of the extensively drug-resistant strain. Probiotics were administered by inhalation, and the burden of M. tuberculosis in the lungs, along with mortality and clinical observations, were monitored for 12 weeks and 8 months, respectively. For an in-depth understanding, analysis of the microbiome and inflammatory profile of the lung microenvironment and induction of autophagy in vitro were explored. RESULTS After inhalation administration of PMC205 for 3 months, the survival rate was 100%, unlike all deaths in the saline-treated group, and the burden of M. tuberculosis in the lungs was reduced by log 1.3 in the 8-month latent tuberculosis model. Moreover, PMC205 induced recovery of disrupted lung microflora, increased butyric acid, and suppressed excessive inflammation. It also promoted autophagy. CONCLUSIONS These results confirm PMC205's anti-tuberculosis effect, suggesting that it can be developed as an adjuvant to current antibiotic therapy to solve the drug-resistant tuberculosis problem.
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Affiliation(s)
- Hoonhee Seo
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan-si, Chungnam, Republic of Korea
| | - Youjin Yoon
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Sukyung Kim
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan-si, Chungnam, Republic of Korea
| | - Fatemeh Ghorbanian
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Hanieh Tajdozian
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Sujin Jo
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Indrajeet Barman
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Soyeon Lee
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Youngkyoung Lee
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Md Abdur Rahim
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Mohammed Solayman Hossain
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea
| | - Saebim Lee
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea; Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan-si, Chungnam, Republic of Korea
| | - Ho-Yeon Song
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Cheonan-si, Chungnam, Republic of Korea; Probiotics Microbiome Convergence Center, Soonchunhyang University, Asan-si, Chungnam, Republic of Korea.
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Guo F, Wei J, Song Y, Song J, Wang Y, Li K, Li B, Qian Z, Wang X, Wang H, Xu T. Immune responses induced by Mycobacterium tuberculosis heat-resistant antigen (Mtb-HAg) upon co-administration with Bacillus Calmette-Guérin in mice. Cytokine 2024; 179:156610. [PMID: 38640558 DOI: 10.1016/j.cyto.2024.156610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/01/2024] [Accepted: 04/06/2024] [Indexed: 04/21/2024]
Abstract
OBJECTIVES To preliminarily assess the immunogenicity of Mtb-HAg in mice and the synergistic effect provided by HAg when co-immunised with BCG. METHODS Mice were randomly grouped for different immunisations and then spleens were aseptically removed and lymphocytes were extracted for immediate detection of cytokines transcript levels and stimulation index(SI), cytokine secretion and multifunctional antigen-specific T cells were detected after incubation for different times. RESULTS HAg extracted from active Mtb is a group of mixed polypeptides with molecular weights of (10-14) kDa. It can significantly stimulate lymphocytes proliferation and increase SI. Injection of HAg alone and in combination with BCG induced significantly higher numbers of multifunctional antigen-specific T cells including CD4+ IFN-γ+, CD4+ IL-2+, CD8+ IFN-γ+, and CD8+ IL-2+ cells than that in BCG-treated mice. Co-immunisation induced the secretion of higher levels of IFN-γ, TNF-α, IL-2 and IL-4 and increased their mRNA expression levels. Significant increases in the transcription levels of IL-10, IL-12 and IL-17 were observed in the co-immunised group with the assistance of HAg. CONCLUSION We demonstrated that HAg has favourable immunogenicity, triggers a stronger Th1-type immune response and proposed the hypothesis that HAg can be used as a BCG booster to further enhance the benefits of BCG.
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Affiliation(s)
- Fangzheng Guo
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Jing Wei
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Yamin Song
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Jianhan Song
- Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Ying Wang
- Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Kangsheng Li
- Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Baiqing Li
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China; Department of Clinical Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China.
| | - Zhongqing Qian
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China; Department of Clinical Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China.
| | - Xiaojing Wang
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China.
| | - Hongtao Wang
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China; Department of Immunology, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Department of Laboratory Medicine and Rehabilitation, College of Xinjiang Uyghur Medicine, Hetian 848000, China.
| | - Tao Xu
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, Research Center of Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China; Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital of Bengbu Medical University, China; Department of Clinical Laboratory, School of Laboratory, Bengbu Medical University, Bengbu 233000, China.
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Peng Y, Tang T, Li Q, Zhou S, Sun Q, Zhou X, Zhu Y, Wang C, Bermudez LE, Liu H, Chen H, Guo A, Chen Y. Mycobacterium tuberculosis FadD18 Promotes Proinflammatory Cytokine Secretion to Inhibit the Intracellular Survival of Bacillus Calmette-Guérin. Cells 2024; 13:1019. [PMID: 38920649 PMCID: PMC11201411 DOI: 10.3390/cells13121019] [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: 04/14/2024] [Revised: 06/02/2024] [Accepted: 06/07/2024] [Indexed: 06/27/2024] Open
Abstract
Mycobacterium tuberculosis causes 6.4 million cases of tuberculosis and claims 1.6 million lives annually. Mycobacterial adhesion, invasion of host cells, and subsequent intracellular survival are crucial for the infection and dissemination process, yet the cellular mechanisms underlying these phenomena remain poorly understood. This study created a Bacillus Calmette-Guérin (BCG) transposon library using a MycomarT7 phage carrying a Himar1 Mariner transposon to identify genes related to mycobacteria adhesion and invasion. Using adhesion and invasion model screening, we found that the mutant strain B2909 lacked adhesion and invasion abilities because of an inactive fadD18 gene, which encodes a fatty-acyl CoA ligase, although the specific function of this gene remains unclear. To investigate the role of FadD18, we constructed a complementary strain and observed that fadD18 expression enhanced the colony size and promoted the formation of a stronger cord-like structure; FadD18 expression also inhibited BCG growth and reduced BCG intracellular survival in macrophages. Furthermore, FadD18 expression elevated levels of the proinflammatory cytokines IL-6, IL-1β, and TNF-α in infected macrophages by stimulating the NF-κB and MAPK signaling pathways. Overall, the FadD18 plays a key role in the adhesion and invasion abilities of mycobacteria while modulating the intracellular survival of BCG by influencing the production of proinflammatory cytokines.
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Affiliation(s)
- Yongchong Peng
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tian Tang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qianqian Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shiying Zhou
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qin Sun
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Xinjun Zhou
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yifan Zhu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Chao Wang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Luiz E. Bermudez
- Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331, USA
| | - Han Liu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Aizhen Guo
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yingyu Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.P.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
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Wang J, Cao H, Yang H, Wang N, Weng Y, Luo H. The function of CD36 in Mycobacterium tuberculosis infection. Front Immunol 2024; 15:1413947. [PMID: 38881887 PMCID: PMC11176518 DOI: 10.3389/fimmu.2024.1413947] [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: 04/08/2024] [Accepted: 05/20/2024] [Indexed: 06/18/2024] Open
Abstract
CD36 is a scavenger receptor that has been reported to function as a signaling receptor that responds to pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs) and could integrate metabolic pathways and cell signaling through its dual functions. Thereby influencing activation to regulate the immune response and immune cell differentiation. Recent studies have revealed that CD36 plays critical roles in the process of lipid metabolism, inflammatory response and immune process caused by Mycobacterium tuberculosis infection. This review will comprehensively investigate CD36's functions in lipid uptake and processing, inflammatory response, immune response and therapeutic targets and biomarkers in the infection process of M. tuberculosis. The study also raised outstanding issues in this field to designate future directions.
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Affiliation(s)
- Jianjun Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou, China
| | - Hui Cao
- Department of Food and Nutrition Safety, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu, China
| | - Hongwei Yang
- Department of Clinical Laboratory, Suzhou BOE Hospital, Suzhou, Jiangsu, China
| | - Nan Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou, China
| | - Yiwei Weng
- Department of Clinical Laboratory, The Fourth People’s Hospital of Kunshan, Suzhou, Jiangsu, China
| | - Hao Luo
- Department of Clinical Laboratory, The Second People's Hospital of Kunshan, Suzhou, China
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Jaime-Sánchez E, Lara-Ramírez EE, López-Ramos JE, Ramos-González EJ, Cisneros-Méndez AL, Oropeza-Valdez JJ, Zenteno-Cuevas R, Martínez-Aguilar G, Bastian Y, Castañeda-Delgado JE, Serrano CJ, Enciso-Moreno JA. Potential molecular patterns for tuberculosis susceptibility in diabetic patients with poor glycaemic control: a pilot study. Mol Genet Genomics 2024; 299:60. [PMID: 38801463 DOI: 10.1007/s00438-024-02139-0] [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: 05/02/2022] [Accepted: 04/06/2024] [Indexed: 05/29/2024]
Abstract
Type 2 diabetes (DM2) is an increasingly prevalent disease that challenges tuberculosis (TB) control strategies worldwide. It is significant that DM2 patients with poor glycemic control (PDM2) are prone to developing tuberculosis. Furthermore, elucidating the molecular mechanisms that govern this susceptibility is imperative to address this problem. Therefore, a pilot transcriptomic study was performed. Human blood samples from healthy controls (CTRL, HbA1c < 6.5%), tuberculosis (TB), comorbidity TB-DM2, DM2 (HbA1c 6.5-8.9%), and PDM2 (HbA1c > 10%) groups (n = 4 each) were analyzed by differential expression using microarrays. We use a network strategy to identify potential molecular patterns linking the differentially expressed genes (DEGs) specific for TB-DM2 and PDM2 (p-value < 0.05, fold change > 2). We define OSM, PRKCD, and SOCS3 as key regulatory genes (KRGs) that modulate the immune system and related pathways. RT-qPCR assays confirmed upregulation of OSM, PRKCD, and SOCS3 genes (p < 0.05) in TB-DM2 patients (n = 18) compared to CTRL, DM2, PDM2, or TB groups (n = 17, 19, 15, and 9, respectively). Furthermore, OSM, PRKCD, and SOCS3 were associated with PDM2 susceptibility pathways toward TB-DM2 and formed a putative protein-protein interaction confirmed in STRING. Our results reveal potential molecular patterns where OSM, PRKCD, and SOCS3 are KRGs underlying the compromised immune response and susceptibility of patients with PDM2 to develop tuberculosis. Therefore, this work paved the way for fundamental research of new molecular targets in TB-DM2. Addressing their cellular implications, and the impact on the diagnosis, treatment, and clinical management of TB-DM2 could help improve the strategy to end tuberculosis for this vulnerable population.
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Affiliation(s)
- Elena Jaime-Sánchez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, México
- Área de Ciencias de La Salud, Universidad Autónoma de Zacatecas, Carretera Zacatecas-Guadalajara, Zacatecas, México
- Unidad de Investigación Biomédica de Zacatecas, IMSS, Zacatecas, México
| | - Edgar E Lara-Ramírez
- Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Reynosa, Tamaulipas, México
- Unidad de Investigación Biomédica de Zacatecas, IMSS, Zacatecas, México
| | - Juan Ernesto López-Ramos
- Academia de Ciencias Químico-Biológicas, Instituto Politécnico Nacional, Centro de Estudios Científicos y Tecnológicos No. 18, Zacatecas, México
| | | | | | - Juan José Oropeza-Valdez
- Human Systems Biology Laboratory. Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
| | | | | | - Yadira Bastian
- Instituto de Física, Universidad Autónoma de San Luis Potosí, San Luis Potosí, México
| | - Julio Enrique Castañeda-Delgado
- Unidad de Investigación Biomédica de Zacatecas, IMSS, Zacatecas, México
- Investigador por Mexico/Catedras CONAHCYT, Consejo nacional de Humanidades, Ciencias y Tecnologias, Ciudad de Mexico, México
- Consejo Nacional de Ciencia y Tecnologia, CONACYT, Ciudad de Mexico, México
| | | | - José Antonio Enciso-Moreno
- Unidad de Investigación Biomédica de Zacatecas, IMSS, Zacatecas, México.
- Facultad de Química, Cerro de Las Campanas S/N, Universidad Autónoma de Querétaro, Colonia Las Campanas, Centro Universitario, C.P. 76010, Querétaro, México.
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10
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Nosik M, Ryzhov K, Kudryavtseva AV, Kuimova U, Kravtchenko A, Sobkin A, Zverev V, Svitich O. Decreased IL-1 β Secretion as a Potential Predictor of Tuberculosis Recurrence in Individuals Diagnosed with HIV. Biomedicines 2024; 12:954. [PMID: 38790916 PMCID: PMC11117744 DOI: 10.3390/biomedicines12050954] [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: 03/10/2024] [Revised: 04/14/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
Background: The mechanisms of the formation of immunological competence against tuberculosis (TB), and especially those associated with HIV co-infection, remain poorly understood. However, there is an urgent need for risk recurrence predictive biomarkers, as well as for predictors of successful treatment outcomes. The goal of the study was to identify possible immunological markers of TB recurrence in individuals with HIV/TB co-infection. Methods: The plasma levels of IFN-γ, TNF-α, IL-10, and IL-1β (cytokines which play important roles in the immune activation and protection against Mycobacterium tuberculosis) were measured using ELISA EIA-BEST kits. The cytokine concentrations were determined using a standard curve obtained with the standards provided by the manufacturer of each kit. Results: A total of 211 individuals were enrolled in the study as follows: 62 patients with HIV/TB co-infection, 52 with HIV monoinfection, 52 with TB monoinfection, and 45 healthy donors. Out of the 62 patients with HIV/TB, 75.8% (47) of patients were newly diagnosed with HIV and TB, and 24.2% (15) displayed recurrent TB and were newly diagnosed with HIV. Decreased levels of IFN-γ, TNF-α, and IL-10 were observed in patients with HIV/TB when compared with HIV and TB patients. However, there was no difference in IFN-γ, TNF-α, or IL-10 secretion between both HIV/TB groups. At the same time, an almost 4-fold decrease in Il-1β levels was detected in the HIV/TB group with TB recurrence when compared with the HIV/TB group (p = 0.0001); a 2.8-fold decrease when compared with HIV patients (p = 0.001); and a 2.2-fold decrease with newly diagnosed TB patients (p = 0.001). Conclusions: Significantly decreased Il-1β levels in HIV/TB patients' cohort with secondary TB indicate that this cytokine can be a potential biomarker of TB recurrence.
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Affiliation(s)
- Marina Nosik
- I.I. Mechnikov Institute of Vaccines and Sera, 105064 Moscow, Russia; (K.R.); (V.Z.); (O.S.)
| | - Konstantin Ryzhov
- I.I. Mechnikov Institute of Vaccines and Sera, 105064 Moscow, Russia; (K.R.); (V.Z.); (O.S.)
| | - Asya V. Kudryavtseva
- La Facultad de Ciencias Médicas, Universidad Bernardo O’Higgings-Escuela de Medicina, Santiago 8370993, Chile;
| | - Ulyana Kuimova
- Central Research Institute of Epidemiology, Rospotrebnadzor, 111123 Moscow, Russia; (U.K.); (A.K.)
| | - Alexey Kravtchenko
- Central Research Institute of Epidemiology, Rospotrebnadzor, 111123 Moscow, Russia; (U.K.); (A.K.)
| | - Alexandr Sobkin
- G.A. Zaharyan Moscow Tuberculosis Clinic, Department for Treatment of TB Patients with HIV, 125466 Moscow, Russia;
| | - Vitaly Zverev
- I.I. Mechnikov Institute of Vaccines and Sera, 105064 Moscow, Russia; (K.R.); (V.Z.); (O.S.)
| | - Oxana Svitich
- I.I. Mechnikov Institute of Vaccines and Sera, 105064 Moscow, Russia; (K.R.); (V.Z.); (O.S.)
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11
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Zhang Z, Wang Y, Zhang Y, Geng S, Wu H, Shao Y, Kang G. Construction of Immune-Related Diagnostic Model for Latent Tuberculosis Infection and Active Tuberculosis. J Inflamm Res 2024; 17:2499-2511. [PMID: 38699596 PMCID: PMC11063471 DOI: 10.2147/jir.s451338] [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: 11/23/2023] [Accepted: 04/16/2024] [Indexed: 05/05/2024] Open
Abstract
Background Tuberculosis (TB) is one of the most infectious diseases caused by Mycobacterium tuberculosis (M. tb), and the diagnosis of active tuberculosis (TB) and latent TB infection (LTBI) remains challenging. Methods Gene expression files were downloaded from the GEO database to identify the differentially expressed genes (DEGs). The ssGSEA algorithm was applied to assess the immunological characteristics of patients with LTBI and TB. Weighted gene co-expression network analysis, protein-protein interaction network, and the cytoHubba plug-in of Cytoscape were used to identify the real hub genes. Finally, a diagnostic model was constructed using real hub genes and validated using a validation set. Results Macrophages and natural killer cells were identified as important immune cells strongly associated with TB. In total, 726 mRNAs were identified as DEGs. MX1, STAT1, IFIH1, DDX58, and IRF7 were identified as real hub immune-related genes. The diagnostic model generated by the five real hub genes could distinguish active TB from healthy controls or patients with LTBI. Conclusion Our study may provide implications for the diagnosis and drug development of M. tb infections.
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Affiliation(s)
- Zhihua Zhang
- Department of Science & Education, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Yuhong Wang
- Department of Tuberculosis, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Yankun Zhang
- Department of Ophthalmology, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Shujun Geng
- Department of Tuberculosis, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Haifeng Wu
- Clinical Laboratory, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Yanxin Shao
- Office of Clinical Pharmacological Center, Hebei Chest Hospital, Hebei Provincial Key Laboratory of Lung Disease, Shijiazhuang, People’s Republic of China
| | - Guannan Kang
- Department of Tuberculosis, Hebei Chest Hospital, Shijiazhuang, People’s Republic of China
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12
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Gupta VK, Vaishnavi VV, Arrieta-Ortiz ML, P S A, K M J, Jeyasankar S, Raghunathan V, Baliga NS, Agarwal R. 3D Hydrogel Culture System Recapitulates Key Tuberculosis Phenotypes and Demonstrates Pyrazinamide Efficacy. Adv Healthc Mater 2024:e2304299. [PMID: 38655817 DOI: 10.1002/adhm.202304299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/29/2024] [Indexed: 04/26/2024]
Abstract
The mortality caused by tuberculosis (TB) infections is a global concern, and there is a need to improve understanding of the disease. Current in vitro infection models to study the disease have limitations such as short investigation durations and divergent transcriptional signatures. This study aims to overcome these limitations by developing a 3D collagen culture system that mimics the biomechanical and extracellular matrix (ECM) of lung microenvironment (collagen fibers, stiffness comparable to in vivo conditions) as the infection primarily manifests in the lungs. The system incorporates Mycobacterium tuberculosis (Mtb) infected human THP-1 or primary monocytes/macrophages. Dual RNA sequencing reveals higher mammalian gene expression similarity with patient samples than 2D macrophage infections. Similarly, bacterial gene expression more accurately recapitulates in vivo gene expression patterns compared to bacteria in 2D infection models. Key phenotypes observed in humans, such as foamy macrophages and mycobacterial cords, are reproduced in the model. This biomaterial system overcomes challenges associated with traditional platforms by modulating immune cells and closely mimicking in vivo infection conditions, including showing efficacy with clinically relevant concentrations of anti-TB drug pyrazinamide, not seen in any other in vitro infection model, making it reliable and readily adoptable for tuberculosis studies and drug screening.
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Affiliation(s)
- Vishal K Gupta
- Department of Bioengineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | - Vijaya V Vaishnavi
- Department of Bioengineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | | | - Abhirami P S
- Department of Bioengineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | - Jyothsna K M
- Department of Electrical Communication Engineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | - Sharumathi Jeyasankar
- Department of Bioengineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | - Varun Raghunathan
- Department of Electrical Communication Engineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
| | - Nitin S Baliga
- Institute of Systems Biology, 401 Terry Ave N, Seattle, WA, 98109, USA
| | - Rachit Agarwal
- Department of Bioengineering, Indian Institute of Science, CV Raman Road, Bengaluru, Karnataka, 560012, India
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13
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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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14
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Li P, Li Y, Wang CC, Xia LG. Comparative transcriptomics reveals common and strain-specific responses of human macrophages to infection with Mycobacterium tuberculosis and Mycobacterium bovis BCG. Microb Pathog 2024; 189:106593. [PMID: 38387847 DOI: 10.1016/j.micpath.2024.106593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Mycobacterium tuberculosis (MTB) and Mycobacterium bovis (M. bovis) are closely related pathogenic mycobacteria known to cause chronic pulmonary infections in both humans and animals. Despite sharing nearly identical genomes and virulence factors, these two bacteria display variations in host tropism, epidemiology, and clinical presentations. M. bovis Bacillus Calmette-Guérin (BCG) is an attenuated strain of M. bovis commonly utilized as a vaccine for tuberculosis (TB). Nevertheless, the molecular underpinnings of these distinctions and the intricacies of host-pathogen interactions remain areas of ongoing research. In this study, a comparative transcriptomic analysis was conducted on human leukemia macrophages (THP-1) infected with either MTB H37Rv or M. bovis BCG (Tokyo strain) to elucidate common and strain-specific responses at the transcriptional level. RNA sequencing was utilized to characterize the transcriptomes of human primary macrophages infected with MTB or BCG at 6 and 24 h post-infection. The findings indicate that both MTB and BCG induce substantial and dynamic alterations in the transcriptomes of THP-1, with a notable overlap in the quantity and extent of differentially expressed genes (DEGs). Moreover, gene ontology (GO) enrichment analysis unveiled shared pathways related to immune response, cytokine signaling, and apoptosis. The immune response of macrophages to bacterial infections at 6 h exhibited significantly greater intensity compared to that at 24 h. Furthermore, distinct gene sets displaying notable variances between MTB and BCG infections were identified. The profound impact of MTB infection on macrophage gene expression, particularly within the initial 6 h, was evident. Additionally, downregulation of pathways such as Focal adhesion, Rap1 signaling pathway, and Regulation of actin cytoskeleton was observed. The pathways associated with inflammation reactions and cell apoptosis exhibited significant differences, with BCG triggering macrophage apoptosis and MTB enhancing the survival of intracellular bacteria. Our findings reveal that MTB and BCG provoke similar yet distinct transcriptional responses in human macrophages, indicating variations in their pathogenesis and ability to adapt to host environments. These results offer novel insights into the molecular mechanisms governing host-pathogen interactions and may contribute to a deeper understanding of TB pathogenesis.
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Affiliation(s)
- Pei Li
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China; Systematic Immunology of Tuberculosis, National Clinical Research Center for Infectious Disease, Shenzhen Third People's Hospital, Shenzhen, China
| | - Yang Li
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Cun Chuan Wang
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China
| | - Li Gang Xia
- Division of Gastrointestinal Surgery, Department of General Surgery, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen 518020, Guangdong, China.
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15
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Li W, Liu Q, Qian Y, Wang C, Kong C, Sun L, Sun L, Liu H, Zhang Y, Jiang D, Jiang C, Wang S, Xia P. Adipose triglyceride lipase suppresses noncanonical inflammasome by hydrolyzing LPS. Nat Chem Biol 2024:10.1038/s41589-024-01569-6. [PMID: 38413746 DOI: 10.1038/s41589-024-01569-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 02/04/2024] [Indexed: 02/29/2024]
Abstract
Intracellular recognition of lipopolysaccharide (LPS) by mouse caspase-11 or human caspase-4 is a vital event for the activation of the noncanonical inflammasome. Whether negative regulators are involved in intracellular LPS sensing is still elusive. Here we show that adipose triglyceride lipase (ATGL) is a negative regulator of the noncanonical inflammasome. Through screening for genes participating in the noncanonical inflammasome, ATGL is identified as a negative player for intracellular LPS signaling. ATGL binds LPS and catalyzes the removal of the acylated side chains that contain ester bonds. LPS with under-acylated side chains no longer activates the inflammatory caspases. Cells with ATGL deficiency exhibit enhanced immune responses when encountering intracellular LPS, including an elevated secretion of interleukin-1β, decreased cell viability and increased cell cytotoxicity. Moreover, ATGL-deficient mice show exacerbated responses to endotoxin challenges. Our results uncover that ATGL degrades cytosolic LPS to suppress noncanonical inflammasome activation.
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Affiliation(s)
- Weitao Li
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Qiannv Liu
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Yan Qian
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Chunlei Wang
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Chun Kong
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Liangliang Sun
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Li Sun
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Hongwei Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing, China
| | - Yan Zhang
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China
| | - Dong Jiang
- Department of Sports Medicine, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine of Peking University, Beijing, China
| | - Changtao Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Beijing, China
- Center of Basic Medical Research, Institute of Medical Innovation and Research, Third Hospital, Peking University, Beijing, China
- Center for Obesity and Metabolic Disease Research, School of Basic Medical Sciences, Peking University, Beijing, China
- State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University, Beijing, China
| | - Shuo Wang
- CAS Key Laboratory of Pathogen Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Pengyan Xia
- Department of Immunology, School of Basic Medical Sciences, Peking University, Beijing, China.
- NHC Key Laboratory of Medical Immunology, Peking University, Beijing, China.
- Key Laboratory of Molecular Immunology, Chinese Academy of Medical Sciences, Beijing, China.
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16
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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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17
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Almalki WH. NEAT1 in inflammatory infectious diseases: An integrated perspective on molecular modulation. Pathol Res Pract 2024; 254:154956. [PMID: 38218038 DOI: 10.1016/j.prp.2023.154956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 01/15/2024]
Abstract
The long non-coding RNA (lncRNA), NEAT1, has emerged as a central figure in the intricate network of molecular regulators in inflammatory infectious diseases (IIDs). The review initiates a comprehensive exploration of NEAT1's multifaceted roles and molecular interactions in the context of these complex diseases. The study begins by acknowledging the global health burden of IIDs, underscoring the urgency for innovative insights into their pathogenesis and therapeutic avenues. NEAT1 is introduced as a pivotal lncRNA with growing relevance in immune responses and inflammatory processes. The core of this review unravels the NEAT1 landscape, elucidating its involvement in the modulation of immune signalling pathways, regulation of inflammatory cytokines, and interactions with various immune cells during infection. It explores NEAT1's role in orchestrating immune responses and balancing host defence mechanisms with the risk of immunopathology. Furthermore, the review underscores the clinical significance of NEAT1 in infectious diseases, discussing its associations with disease severity, prognosis, and potential as a diagnostic and therapeutic target. It provides insights into ongoing research endeavours aimed at harnessing NEAT1 for innovative disease management strategies, including developing RNA-based therapeutics. Concluding on a forward-looking note, the review highlights the broader implications of NEAT1 in the context of emerging infectious diseases and the possibility for precision medicine approaches that leverage NEAT1's regulatory capacities. In summary, this review illuminates the pivotal role of NEAT1 in IIDs by navigating its complex landscape, offering profound insights into its implications for disease pathogenesis and the development of targeted therapies.
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Affiliation(s)
- Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia.
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18
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Huang X, Lowrie DB, Fan XY, Hu Z. Natural products in anti-tuberculosis host-directed therapy. Biomed Pharmacother 2024; 171:116087. [PMID: 38171242 DOI: 10.1016/j.biopha.2023.116087] [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: 10/25/2023] [Revised: 12/17/2023] [Accepted: 12/26/2023] [Indexed: 01/05/2024] Open
Abstract
Given that the disease progression of tuberculosis (TB) is primarily related to the host's immune status, it has been gradually realized that chemotherapy that targets the bacteria may never, on its own, wholly eradicate Mycobacterium tuberculosis, the causative agent of TB. The concept of host-directed therapy (HDT) with immune adjuvants has emerged. HDT could potentially interfere with infection and colonization by the pathogens, enhance the protective immune responses of hosts, suppress the overwhelming inflammatory responses, and help to attain a state of homeostasis that favors treatment efficacy. However, the HDT drugs currently being assessed in combination with anti-TB chemotherapy still face the dilemmas arising from side effects and high costs. Natural products are well suited to compensate for these shortcomings by having gentle modulatory effects on the host immune responses with less immunopathological damage at a lower cost. In this review, we first summarize the profiles of anti-TB immunology and the characteristics of HDT. Then, we focus on the rationale and challenges of developing and implementing natural products-based HDT. A succinct report of the medications currently being evaluated in clinical trials and preclinical studies is provided. This review aims to promote target-based screening and accelerate novel TB drug discovery.
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Affiliation(s)
- Xuejiao Huang
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai 201508, China
| | - Douglas B Lowrie
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai 201508, China
| | - Xiao-Yong Fan
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai 201508, China.
| | - Zhidong Hu
- Shanghai Public Health Clinical Center & Shanghai Institute of Infectious Diseases and Biosecurity, Fudan University, Shanghai 201508, China.
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19
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Liu H, Han Z, Chen L, Zhang J, Zhang Z, Chen Y, Liu F, Wang K, Liu J, Sai N, Zhou X, Zhou C, Hu S, Wen Q, Ma L. ZNFX1 promotes AMPK-mediated autophagy against Mycobacterium tuberculosis by stabilizing Prkaa2 mRNA. JCI Insight 2024; 9:e171850. [PMID: 38016036 PMCID: PMC10906457 DOI: 10.1172/jci.insight.171850] [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: 04/27/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023] Open
Abstract
Tuberculosis has the highest mortality rate worldwide for a chronic infectious disease caused by a single pathogen. RNA-binding proteins (RBPs) are involved in autophagy - a key defense mechanism against Mycobacterium tuberculosis (M. tuberculosis) infection - by modulating RNA stability and forming intricate regulatory networks. However, the functions of host RBPs during M. tuberculosis infection remain relatively unexplored. Zinc finger NFX1-type containing 1 (ZNFX1), a conserved RBP critically involved in immune deficiency diseases and mycobacterial infections, is significantly upregulated in M. tuberculosis-infected macrophages. Here, we aimed to explore the immunoregulatory functions of ZNFX1 during M. tuberculosis infection. We observed that Znfx1 knockout markedly compromised the multifaceted immune responses mediated by macrophages. This compromise resulted in reduced phagocytosis, suppressed macrophage activation, increased M. tuberculosis burden, progressive lung tissue injury, and chronic inflammation in M. tuberculosis-infected mice. Mechanistic investigations revealed that the absence of ZNFX1 inhibited autophagy, consequently mediating immune suppression. ZNFX1 critically maintained AMPK-regulated autophagic flux by stabilizing protein kinase AMP-activated catalytic subunit alpha 2 mRNA, which encodes a key catalytic α subunit of AMPK, through its zinc finger region. This process contributed to M. tuberculosis growth suppression. These findings reveal a function of ZNFX1 in establishing anti-M. tuberculosis immune responses, enhancing our understanding of the roles of RBPs in tuberculosis immunity and providing a promising approach to bolster antituberculosis immunotherapy.
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20
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Lin D, Lin B, Wang X, Xu C, Mo L, Luo Y, Tian H, Zhou L, Chen Z. Mycobacterium marinum mediates regulation of prostaglandin E 2 expression on host immune response through cyclooxygenase pathway. Mol Biol Rep 2024; 51:84. [PMID: 38183522 DOI: 10.1007/s11033-023-09015-x] [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: 09/01/2023] [Accepted: 11/26/2023] [Indexed: 01/08/2024]
Abstract
PURPOSE Investigate the role of COX signaling in activating the PGE2-EP2 pathway. METHODS Utilized a marine Mycobacterium infection model in zebrafish. Marine mycobacteria were stained with fluorescein isothiocyanate. The COX inhibitor indomethacin, EP2 receptor inhibitor AH6809, EP4 receptor inhibitor AH23848 and clodronate Liposomes were used to investigate the role of COX, EP2, EP4 and macrophage whether participating in combat marine mycobacterial infection. The expression level of the target gene was detected using real-time fluorescence quantitative PCR instrument. RESULTS The findings revealed that larvae exposed to the COX inhibitor indomethacin or the EP2 receptor inhibitor AH6809 demonstrated a significantly higher mortality rate due to marine mycobacterium infection than those in the control group. Administration of exogenous prostaglandin E2 (PGE2) rescued the survival of zebrafish infected with marine mycobacteria and treated with indomethacin. Additionally, a significant reduction in survival rate was noted in macrophage-depleted zebrafish infected with marine mycobacteria. CONCLUSION The host may combat marine mycobacterium infection via COX signaling, which activates the PGE2-EP2 pathway and mediates macrophage resistance.
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Affiliation(s)
- Dongzi Lin
- Department of Laboratory Medicine, The Fourth People's Hospital of Nanhai District of Foshan City, 528000, Foshan, Guangdong, China
| | - Bingyao Lin
- Department of Laboratory Medicine, Foshan Fourth People's Hospital, 528041, Foshan, Guangdong, China
| | - Xuezhi Wang
- Department of Laboratory Medicine, Foshan Fourth People's Hospital, 528041, Foshan, Guangdong, China
| | - Cheng Xu
- Department of Laboratory Medicine, The Fourth People's Hospital of Nanhai District of Foshan City, 528000, Foshan, Guangdong, China
| | - Liyi Mo
- Department of Laboratory Medicine, The Fourth People's Hospital of Nanhai District of Foshan City, 528000, Foshan, Guangdong, China
| | - Yanwen Luo
- Department of Laboratory Medicine, The Fourth People's Hospital of Nanhai District of Foshan City, 528000, Foshan, Guangdong, China
| | - Honghong Tian
- Department of Laboratory Medicine, Foshan Fourth People's Hospital, 528041, Foshan, Guangdong, China
| | - Lei Zhou
- Institute of Green Chemistry and Molecular Engineering, School of Chemistry, Sun Yat-sen University, 510275, Guangzhou, China.
| | - Zhenhua Chen
- Department of Laboratory Medicine, The Fourth People's Hospital of Nanhai District of Foshan City, 528000, Foshan, Guangdong, China.
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21
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Zhang J, Cui Y, Zang X, Feng T, Chen F, Wang H, Dang G, Liu S. PE12 interaction with TLR4 promotes intracellular survival of Mycobacterium tuberculosis by suppressing inflammatory response. Int J Biol Macromol 2023; 253:127547. [PMID: 37863130 DOI: 10.1016/j.ijbiomac.2023.127547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
Macrophages serve as the primary immune cells responsible for the innate immune defense against Mycobacterium tuberculosis (MTB) infection within the host. Specifically, NLRP3, a member of the NLRs family, plays a significant role in conferring resistance against MTB infection. Conversely, MTB evades innate immune killing by impeding the activation of the NLRP3 inflammasome, although the precise mechanism remains uncertain. In this study, we have identified PE12 (Rv1172c), a member of the PE/PPE family proteins, as an extracellular protein of MTB. PE12 interacts with Toll like receptor 4 (TLR4) in macrophages, forming the PE12-TLR4 complex which subsequently inhibits the transcription and expression of NLRP3. As a result, the transcription and secretion of IL-1β are reduced through the PE12-TLR4-NLRP3-IL-1β immune pathway. In vitro and in vivo experiments using a PE12-deficient strain (H37RvΔPE12) demonstrate a weakening of the suppression of the inflammatory response to MTB infection. Our findings highlight the role of the PE12 protein in not only inhibiting the transcription and release of inflammatory cytokines but also mediating the killing of MTB escape macrophages through TLR4 and inducing lung injury in MTB-infected mice. These results provide evidence that PE12 plays a significant role in the inhibition of the host immune response by MTB.
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Affiliation(s)
- Jiajun Zhang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Yingying Cui
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Xinxin Zang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Tingting Feng
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Fanruo Chen
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Hui Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China
| | - Guanghui Dang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China.
| | - Siguo Liu
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, NO.678, Haping Street, Harbin 150069, PR China.
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22
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Bromley JD, Ganchua SKC, Nyquist SK, Maiello P, Chao M, Borish HJ, Rodgers M, Tomko J, Kracinovsky K, Mugahid D, Nguyen S, Wang D, Rosenberg JM, Klein EC, Gideon HP, Floyd-O’Sullivan R, Berger B, Scanga CA, Lin PL, Fortune SM, Shalek AK, Flynn JL. CD4 + T cells are homeostatic regulators during Mtb reinfection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.20.572669. [PMID: 38187598 PMCID: PMC10769325 DOI: 10.1101/2023.12.20.572669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Immunological priming - either in the context of prior infection or vaccination - elicits protective responses against subsequent Mycobacterium tuberculosis (Mtb) infection. However, the changes that occur in the lung cellular milieu post-primary Mtb infection and their contributions to protection upon reinfection remain poorly understood. Here, using clinical and microbiological endpoints in a non-human primate reinfection model, we demonstrate that prior Mtb infection elicits a long-lasting protective response against subsequent Mtb exposure and that the depletion of CD4+ T cells prior to Mtb rechallenge significantly abrogates this protection. Leveraging microbiologic, PET-CT, flow cytometric, and single-cell RNA-seq data from primary infection, reinfection, and reinfection-CD4+ T cell depleted granulomas, we identify differential cellular and microbial features of control. The data collectively demonstrate that the presence of CD4+ T cells in the setting of reinfection results in a reduced inflammatory lung milieu characterized by reprogrammed CD8+ T cell activity, reduced neutrophilia, and blunted type-1 immune signaling among myeloid cells, mitigating Mtb disease severity. These results open avenues for developing vaccines and therapeutics that not only target CD4+ and CD8+ T cells, but also modulate innate immune cells to limit Mtb disease.
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Affiliation(s)
- Joshua D. Bromley
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Graduate Program in Microbiology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Sharie Keanne C. Ganchua
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Sarah K. Nyquist
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Pauline Maiello
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
| | - Michael Chao
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - H. Jacob Borish
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Mark Rodgers
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Jaime Tomko
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Kara Kracinovsky
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Douaa Mugahid
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Son Nguyen
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Dennis Wang
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Jacob M. Rosenberg
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Edwin C. Klein
- Division of Laboratory Animal Research, University of Pittsburgh, Pittsburgh, PA, USA
| | - Hannah P. Gideon
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Roisin Floyd-O’Sullivan
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Bonnie Berger
- Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Charles A Scanga
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
| | - Philana Ling Lin
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
- Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh School of Medicine
| | - Sarah M. Fortune
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alex K. Shalek
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Institute for Medical Engineering and Science (IMES), Massachusetts Institute of Technology, Cambridge, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - JoAnne L. Flynn
- Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA USA
- Center for Vaccine Research, University of Pittsburgh, Pittsburgh PA USA
- Lead contact
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23
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Liu H, Ji S, Fang Y, Yi X, Wu F, Xing F, Wang C, Zhou H, Xu J, Sun W. Microbiome Alteration in Lung Tissues of Tuberculosis Patients Revealed by Metagenomic Next-Generation Sequencing and Immune-Related Transcriptional Profile Identified by Transcriptome Sequencing. ACS Infect Dis 2023; 9:2572-2582. [PMID: 37975314 PMCID: PMC10715245 DOI: 10.1021/acsinfecdis.3c00416] [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: 08/16/2023] [Revised: 10/16/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
This study explored alterations in the respiratory microbiome and transcriptome after Mycobacterium tuberculosis infection in tuberculosis (TB) patients. Metagenomic next-generation sequencing (mNGS) was adopted to reveal the microbiome in lung tissues from 110 TB and 25 nontuberculous (NonTB) patients. Transcriptome sequencing was performed in TB tissues (n = 3), tissues adjacent to TB (ParaTB, n = 3), and NonTB tissues (n = 3) to analyze differentially expressed genes (DEGs) and functional pathways. The microbial β diversity (p = 0.01325) in TB patients differed from that in the NonTB group, with 17 microbial species distinctively distributed. Eighty-three co-up-regulated DEGs were identified in the TB versus NonTB and the TB versus ParaTB comparison groups, and six were associated with immune response to Mtb. These DEGs were significantly enriched in the signaling pathways such as immune response, NF-κB, and B cell receptor. Data in the lung tissue microbiome and transcriptome in TB patients offer a sufficient understanding of the pathogenesis of TB.
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Affiliation(s)
- Hong Liu
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Saiguang Ji
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Yuan Fang
- Genoxor
Medical Science and Technology Inc., Shanghai 201112, China
| | - Xiaoli Yi
- Genoxor
Medical Science and Technology Inc., Shanghai 201112, China
| | - Fengsheng Wu
- Genoxor
Medical Science and Technology Inc., Shanghai 201112, China
| | - Fuchen Xing
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Chenyan Wang
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Hai Zhou
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Jian Xu
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
| | - Wei Sun
- Department
of Cardiothoracic Surgery, Nanjing Hospital
Affiliated to Nanjing University of Chinese Medicine, Nanjing 210003, China
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24
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Namkoong H, Holland SM. Host Susceptibility to Nontuberculous Mycobacterial Pulmonary Disease. Clin Chest Med 2023; 44:723-730. [PMID: 37890911 PMCID: PMC10614071 DOI: 10.1016/j.ccm.2023.07.002] [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] [Indexed: 10/29/2023]
Abstract
Nontuberculous mycobacteria (NTM) pulmonary disease is a chronic progressive pulmonary infectious disease caused by low virulence pathogens. The existence of host susceptibility to NTM infection has been recognized from a high incidence among Asians compared to other populations in the United States, a high incidence among slender, middle-aged women, and the presence of familial clusters. Recent whole exome sequencing and genome-wide association studies have identified immune, CFTR, cilia, connective tissue and ion homeostasis genes as host susceptibility genes. Large-scale international collaborative studies and functional analyses are expected to elucidate host susceptibility in the future.
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Affiliation(s)
- Ho Namkoong
- Department of Infectious Diseases, Keio University School of Medicine, 35 Shinanomachi Shinjyuku-ku, Tokyo 160-8582, Japan.
| | - Steven M Holland
- Division of Intramural Research, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), 10/11N248, MSC 1960, Bethesda, MD 20892-1960, USA
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25
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Li Y, Qian Y, Wang N, Qiu D, Cao H, Wang Y, Luo H, Shen X, Cui H, Wang J, Zhu H. The functions and applications of extracellular vesicles derived from Mycobacterium tuberculosis. Biomed Pharmacother 2023; 168:115767. [PMID: 37865994 DOI: 10.1016/j.biopha.2023.115767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023] Open
Abstract
Extracellular vesicles (EVs) originating from bacteria function critical roles in bacterial biologic physiology and host-pathogen interactions. Mycobacterium tuberculosis (M. tuberculosis) produces EVs both in vitro and in vivo, with membrane-bound nanoparticles facilitating the transmission of biological molecules including lipids, proteins, nucleic acids and glycolipids, while interacting remotely with the host. Although studies of EVs in mycobacterial infections is still in its infancy, it has already revealed an entirely new aspect of M. tuberculosis-host interactions that may have implications for tuberculosis (TB) pathogenesis. In this review, we discuss the significant functions of M. tuberculosis EVs in elucidating the mechanisms underlying vesicle biogenesis and modulating cellular immune responses, as well as the recent advances and challenges in the development of novel preventive and therapeutic or diagnostic strategies against TB.
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Affiliation(s)
- Yujie Li
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Yingfen Qian
- Department of Clinical Laboratory, The Fourth People's Hospital of Kunshan, Suzhou, Jiangsu 215300, PR China
| | - Nan Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China
| | - Dewen Qiu
- Department of Clinical Laboratory, Jiangxi Maternal and Child health hospital Maternal and Child heath hospital of Nanchang college, Nanchang 215300, PR China
| | - Hui Cao
- Department of Food and Nutrition Safety, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, PR China
| | - Yihua Wang
- Department of Clinical Laboratory, Kunshan Jinxi People's Hospital, Suzhou 215300, PR China
| | - Hao Luo
- Department of Clinical Laboratory, Kunshan Second People's Hospital, Suzhou 215300, PR China
| | - Xiaodong Shen
- Penglang Community Health Service Center of Kunshan Economic and Technological Development Zone, Suzhou 215300, PR China
| | - Hanwei Cui
- Department of Central Laboratory, The Fourth People's Hospital of Shenzhen, Shenzhen 518118, PR China.
| | - Jianjun Wang
- Department of Clinical Laboratory, Kunshan Hospital Affiliated to Jiangsu University, Suzhou 215300, PR China.
| | - Hong Zhu
- Department of Clinical Laboratory, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213000, PR China.
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26
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Solomon SL, Bryson BD. Single-cell analysis reveals a weak macrophage subpopulation response to Mycobacterium tuberculosis infection. Cell Rep 2023; 42:113418. [PMID: 37963018 PMCID: PMC10842899 DOI: 10.1016/j.celrep.2023.113418] [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: 04/24/2023] [Revised: 08/28/2023] [Accepted: 10/25/2023] [Indexed: 11/16/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) infection remains one of society's greatest human health challenges. Macrophages integrate multiple signals derived from ontogeny, infection, and the environment. This integration proceeds heterogeneously during infection. Some macrophages are infected, while others are not; therefore, bulk approaches mask the subpopulation dynamics. We establish a modular, targeted, single-cell protein analysis framework to study the immune response to Mtb. We demonstrate that during Mtb infection, only a small fraction of resting macrophages produce tumor necrosis factor (TNF) protein. We demonstrate that Mtb infection results in muted phosphorylation of p38 and JNK, regulators of inflammation, and leverage our single-cell methods to distinguish between pathogen-mediated interference in host signaling and weak activation of host pathways. We demonstrate that the inflammatory signal magnitude is decoupled from the ability to control Mtb growth. These data underscore the importance of developing pathogen-specific models of signaling and highlight barriers to activation of pathways that control inflammation.
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Affiliation(s)
- Sydney L Solomon
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; The Ragon Institute of MGH, Harvard & MIT, Cambridge, MA 02139, USA
| | - Bryan D Bryson
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; The Ragon Institute of MGH, Harvard & MIT, Cambridge, MA 02139, USA.
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Zhu Y, Shi H, Tang T, Li Q, Peng Y, Bermudez LE, Hu C, Chen H, Guo A, Chen Y. Mycobacterium tuberculosis Fatty Acyl-CoA Synthetase fadD33 Promotes Bacillus Calmette-Guérin Survival in Hostile Extracellular and Intracellular Microenvironments in the Host. Cells 2023; 12:2610. [PMID: 37998345 PMCID: PMC10670722 DOI: 10.3390/cells12222610] [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: 08/18/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 11/25/2023] Open
Abstract
Tuberculosis, caused by Mycobacterium tuberculosis (M. tb), remains a significant global health challenge. The survival of M. tb in hostile extracellular and intracellular microenvironments is crucial for its pathogenicity. In this study, we discovered a Bacillus Calmette-Guérin (BCG) mutant B1033 that potentially affected mycobacterium pathogenicity. This mutant contained an insertion mutation gene, fadD33, which is involved in lipid metabolism; however, its direct role in regulating M. tb infection is not well understood. Here, we found that the absence of fadD33 reduced BCG adhesion and invasion into human pulmonary alveolar epithelial cells and increased the permeability of the mycobacterial cell wall, allowing M. tb to survive in the low pH and membrane pressure extracellular microenvironment of the host cells. The absence of fadD33 also inhibited the survival of BCG in macrophages by promoting the release of proinflammatory cytokines, such as interleukin (IL)-1β, IL-6, and tumors necrosis factor-α, through the mitogen-activated protein kinase p38 signaling pathway. Overall, these findings provide new insights into M. tb mechanisms to evade host defenses and might contribute to identifying potential therapeutic and vaccine targets for tuberculosis prevention.
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Affiliation(s)
- Yifan Zhu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongling Shi
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Tian Tang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qianqian Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yongchong Peng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Luiz E. Bermudez
- Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331, USA
| | - Changmin Hu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Aizhen Guo
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yingyu Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (Y.Z.); (T.T.)
- National Animal Tuberculosis Para-Reference Laboratory (Wuhan) of Ministry of Agriculture and Rural Affairs, International Research Center for Animal Disease, Ministry of Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
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Weng S, Ma H, Lin T, He Y, Zhang J, Zhang X, Wang H, Zhang W, Xu Y. Mycobacterium tuberculosis Mce2D protein blocks M1 polarization in macrophages by inhibiting the ERK signaling pathway. Microb Pathog 2023; 184:106367. [PMID: 37778704 DOI: 10.1016/j.micpath.2023.106367] [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: 05/23/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 10/03/2023]
Abstract
Macrophages play a pivotal role in controlling Mycobacterium infection, and the pathogen thrives in the event of immune evasion and immunosuppression of macrophages. Mammalian cell entry proteins (Mce) are required for Mycobacterium tuberculosis (M. tb) growth and the host cell's initial phagocytosis and cytokine response. Mce2D protein is one of a family of proteins that infect M. tb; however, the function and mechanism of action remain unclear. In this study, we constructed the Mce2D knockout strain using Mycobacterium smegmatis to study the function of Mce2D in the infection of macrophages. The results indicated that compared to the knockout strain, the release of proinflammatory cytokines (TNF-α and IL-1β) reduced when WT strain infected the macrophages. Moreover, Mce2D boosted the metabolism of oxidized fatty acids, increased the energy supply of TCA, and lowered the glycolysis of glucose in macrophages after bacterial infection, all of which prevented the polarization of macrophages to M1, which was driven by the fact that Mce2D blocked ERK2 phosphorylation by interacting with ERK2 through its DEF motif. This, in turn, promoted nuclear translocation of HIF-1α, allowing signal accumulation, which increased the HIF-1α transcription levels. Finally, the mouse infection experiment showed that Mce2D caused blockage of M1 polarization of alveolar macrophages, resulting in reduced bactericidal activity and antigen presentation, weakening Th1 cell-mediated immune response and helping bacteria escape the immune system. Our results reveal that Mce2D causes immune escape by blocking M1 polarization in macrophages, providing potential targets for the rational design of therapies against M. tb infection.
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Affiliation(s)
- Shufeng Weng
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Huixia Ma
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Taiyue Lin
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Yumo He
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Jinyi Zhang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Xuelian Zhang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Honghai Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenhong Zhang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China; Shanghai Huashen Institute of Microbes and Infections, Shanghai, China
| | - Ying Xu
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China; Shanghai Huashen Institute of Microbes and Infections, Shanghai, China.
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Fischer K, Bradlerova M, Decker T, Supper V. Vγ9+Vδ2+ T cell control of Listeria monocytogenes growth in infected epithelial cells requires butyrophilin 3A genes. Sci Rep 2023; 13:18651. [PMID: 37903831 PMCID: PMC10616279 DOI: 10.1038/s41598-023-45587-1] [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: 06/05/2023] [Accepted: 10/21/2023] [Indexed: 11/01/2023] Open
Abstract
Intracellular bacteria produce antigens, which serve as potent activators of γδ T cells. Phosphoantigens are presented via a complex of butyrophilins (BTN) to signal infection to human Vγ9+Vδ2+ T cells. Here, we established an in vitro system allowing for studies of Vγ9+Vδ2+ T cell activity in coculture with epithelial cells infected with the intracellular bacterial pathogen Listeria monocytogenes. We report that the Vγ9+Vδ2+ T cells efficiently control L. monocytogenes growth in such cultures. This effector function requires the expression of members of the BTN3A family on epithelial cells. Specifically, we observed a BTN3A1-independent BTN3A3 activity to present antigen to Vγ9+Vδ2+ T cells. Since BTN3A1 is the only BTN3A associated with phosphoantigen presentation, our study suggests that BTN3A3 may present different classes of antigens to mediate Vγ9+Vδ2+ T cell effector function against L. monocytogenes-infected epithelia.
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Affiliation(s)
- Katrin Fischer
- Max Perutz Labs, Vienna Biocenter Campus (VBC), Vienna, Austria
- Department of Microbiology, Immunobiology and Genetics, Center for Molecular Biology, University of Vienna, Vienna, Austria
| | - Michaela Bradlerova
- Max Perutz Labs, Vienna Biocenter Campus (VBC), Vienna, Austria
- Department of Microbiology, Immunobiology and Genetics, Center for Molecular Biology, University of Vienna, Vienna, Austria
| | - Thomas Decker
- Max Perutz Labs, Vienna Biocenter Campus (VBC), Vienna, Austria.
- Department of Microbiology, Immunobiology and Genetics, Center for Molecular Biology, University of Vienna, Vienna, Austria.
| | - Verena Supper
- Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
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Mayer-Barber KD. Granulocytes subsets and their divergent functions in host resistance to Mycobacterium tuberculosis - a 'tipping-point' model of disease exacerbation. Curr Opin Immunol 2023; 84:102365. [PMID: 37437471 PMCID: PMC10543468 DOI: 10.1016/j.coi.2023.102365] [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: 04/01/2023] [Revised: 05/29/2023] [Accepted: 06/14/2023] [Indexed: 07/14/2023]
Abstract
Granulocytes are innate immune effector cells with essential functions in host resistance to bacterial infections. I will discuss emerging evidence that during Mycobacterium tuberculosis infection, counter-intuitively, eosinophils are host-protective while neutrophils are host detrimental. Additionally, I will propose a 'tipping-point' model in which neutrophils are an integral part of a feedforward loop driving tuberculosis disease exacerbation.
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Affiliation(s)
- Katrin D Mayer-Barber
- Inflammation and Innate Immunity Unit, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892, USA.
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Shen J, Fu Y, Liu F, Ning B, Jiang X. Ursolic Acid Promotes Autophagy by Inhibiting Akt/mTOR and TNF-α/TNFR1 Signaling Pathways to Alleviate Pyroptosis and Necroptosis in Mycobacterium tuberculosis-Infected Macrophages. Inflammation 2023; 46:1749-1763. [PMID: 37212951 DOI: 10.1007/s10753-023-01839-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/02/2023] [Accepted: 05/14/2023] [Indexed: 05/23/2023]
Abstract
As a lethal infectious disease, tuberculosis (TB) is caused by Mycobacterium tuberculosis (Mtb). Its complex pathophysiological process limits the effectiveness of many clinical treatments. By regulating host cell death, Mtb manipulates macrophages, the first line of defense against invading pathogens, to evade host immunity and promote the spread of bacteria and intracellular inflammatory substances to neighboring cells, resulting in widespread chronic inflammation and persistent lung damage. Autophagy, a metabolic pathway by which cells protect themselves, has been shown to fight intracellular microorganisms, such as Mtb, and they also play a crucial role in regulating cell survival and death. Therefore, host-directed therapy (HDT) based on antimicrobial and anti-inflammatory interventions is a pivotal adjunct to current TB treatment, enhancing anti-TB efficacy. In the present study, we showed that a secondary plant metabolite, ursolic acid (UA), inhibited Mtb-induced pyroptosis and necroptosis of macrophages. In addition, UA induced macrophage autophagy and enhanced intracellular killing of Mtb. To investigate the underlying molecular mechanisms, we explored the signaling pathways associated with autophagy as well as cell death. The results showed that UA could synergistically inhibit the Akt/mTOR and TNF-α/TNFR1 signaling pathways and promote autophagy, thus achieving its regulatory effects on pyroptosis and necroptosis of macrophages. Collectively, UA could be a potential adjuvant drug for host-targeted anti-TB therapy, as it could effectively inhibit pyroptosis and necroptosis of macrophages and counteract the excessive inflammatory response caused by Mtb-infected macrophages via modulating the host immune response, potentially improving clinical outcomes.
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Affiliation(s)
- Jingjing Shen
- Department of Immunology and Microbiology, Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Yan Fu
- Department of Immunology and Microbiology, Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Fanglin Liu
- Department of Immunology and Microbiology, Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Bangzuo Ning
- Department of Immunology and Microbiology, Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xin Jiang
- Department of Immunology and Microbiology, Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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Hou X, Shi H, Jiang Y, Li X, Chen K, Li Q, Liu R. Transcriptome analysis reveals the neuroactive receptor genes response to Streptococcus agalactiae infection in tilapia, Oreochromis niloticus. FISH & SHELLFISH IMMUNOLOGY 2023; 141:109090. [PMID: 37722443 DOI: 10.1016/j.fsi.2023.109090] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/13/2023] [Accepted: 09/16/2023] [Indexed: 09/20/2023]
Abstract
The detailed crosstalk between the neuroendocrine and immune systems in Oreochromis niloticus, an economically important fish, in response to pathogenic infections, remains unclear. This study revealed the head kidney transcriptional profiles of O. niloticus upon infections with Streptococcus agalactiae, a prevalent pathogen known to cause severe meningitis. Twelve cDNA libraries of O. niloticus head kidney, representing four treatment time points (0, 6, 24, and 48 h), were constructed and a total of 2,528 differentially expressed genes were identified based on pairwise comparisons. KEGG pathway analysis revealed a significant enrichment of the 'neuroactive ligand-receptor interaction' pathway (ko04080), with 13 genes exhibiting differential expression during S. agalactiae infection. Among these, six neuroactive receptor genes (lepr, nr3c1, ptger4, thrb, tspo, and β2-ar) were selected, cloned, and characterized. Although these genes are ubiquitously expressed, and in head kidney leukocytes, their expression was mainly observed in T cells, Mo/Mφ, and NCCs, which are characterized by antimicrobial responses. Furthermore, we examined the response patterns of these six neuroactive receptor genes to gram-positive (S. agalactiae) and gram-negative (Aeromonas hydrophila) bacteria in four different tissues. Notably, lepr, ptger4, tspo, and β2-ar were upregulated in all selected tissues in response to S. agalactiae and A. hydrophila infections. However, nr3c1 and thrb were downregulated in response to S. agalactiae infection in the head kidney and spleen, whereas nr3c1 was upregulated, and thrb was unresponsive to A. hydrophila infection. Our findings provide a theoretical foundation for understanding new links between the neuroendocrine and immune systems during bacterial infection in teleost fish.
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Affiliation(s)
- Xitan Hou
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China.
| | - Haokai Shi
- College of Medical Engineering, Jining Medical University, Jining, China
| | - Yan Jiang
- Shandong Freshwater Fisheries Research Institute, Jinan, China
| | - Xiaoke Li
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
| | - Kaiqi Chen
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
| | - Qi Li
- Fisheries College, Jimei University, Xiamen, China.
| | - Ruonan Liu
- College of Medical Engineering, Jining Medical University, Jining, China.
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Kawka M, Płocińska R, Płociński P, Pawełczyk J, Słomka M, Gatkowska J, Dzitko K, Dziadek B, Dziadek J. The functional response of human monocyte-derived macrophages to serum amyloid A and Mycobacterium tuberculosis infection. Front Immunol 2023; 14:1238132. [PMID: 37781389 PMCID: PMC10540855 DOI: 10.3389/fimmu.2023.1238132] [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: 06/10/2023] [Accepted: 08/28/2023] [Indexed: 10/03/2023] Open
Abstract
Introduction In the course of tuberculosis (TB), the level of major acute phase protein, namely serum amyloid A (hSAA-1), increases up to a hundredfold in the pleural fluids of infected individuals. Tubercle bacilli infecting the human host can be opsonized by hSAA-1, which affects bacterial entry into human macrophages and their intracellular multiplication. Methods We applied global RNA sequencing to evaluate the functional response of human monocyte-derived macrophages (MDMs), isolated from healthy blood donors, under elevated hSAA-1 conditions and during infection with nonopsonized and hSAA-1-opsonized Mycobacterium tuberculosis (Mtb). In the same infection model, we also examined the functional response of mycobacteria to the intracellular environment of macrophages in the presence and absence of hSAA-1. The RNASeq analysis was validated using qPCR. The functional response of MDMs to hSAA-1 and/or tubercle bacilli was also evaluated for selected cytokines at the protein level by applying the Milliplex system. Findings Transcriptomes of MDMs cultured in the presence of hSAA-1 or infected with Mtb showed a high degree of similarity for both upregulated and downregulated genes involved mainly in processes related to cell division and immune response, respectively. Among the most induced genes, across both hSAA-1 and Mtb infection conditions, CXCL8, CCL15, CCL5, IL-1β, and receptors for IL-7 and IL-2 were identified. We also observed the same pattern of upregulated pro-inflammatory cytokines (TNFα, IL-6, IL-12, IL-18, IL-23, and IL-1) and downregulated anti-inflammatory cytokines (IL-10, TGFβ, and antimicrobial peptide cathelicidin) in the hSAA-1 treated-MDMs or the phagocytes infected with tubercle bacilli. At this early stage of infection, Mtb genes affected by the inside microenvironment of MDMs are strictly involved in iron scavenging, adaptation to hypoxia, low pH, and increasing levels of CO2. The genes for the synthesis and transport of virulence lipids, but not cholesterol/fatty acid degradation, were also upregulated. Conclusion Elevated serum hSAA-1 levels in tuberculosis enhance the response of host phagocytes to infection, including macrophages that have not yet been in contact with mycobacteria. SAA induces antigen processing and presentation processes by professional phagocytes reversing the inhibition caused by Mtb infection.
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Affiliation(s)
- Malwina Kawka
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Renata Płocińska
- Institute of Medical Biology, Polish Academy of Sciences, Lodz, Poland
| | | | - Jakub Pawełczyk
- Institute of Medical Biology, Polish Academy of Sciences, Lodz, Poland
| | - Marcin Słomka
- Biobank Lab, Department of Oncobiology and Epigenetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Justyna Gatkowska
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Katarzyna Dzitko
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Bożena Dziadek
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Jarosław Dziadek
- Institute of Medical Biology, Polish Academy of Sciences, Lodz, Poland
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Mancuso G, Midiri A, De Gaetano S, Ponzo E, Biondo C. Tackling Drug-Resistant Tuberculosis: New Challenges from the Old Pathogen Mycobacterium tuberculosis. Microorganisms 2023; 11:2277. [PMID: 37764122 PMCID: PMC10537529 DOI: 10.3390/microorganisms11092277] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Antibiotics have played a crucial role in the reduction in the incidence of TB globally as evidenced by the fact that before the mid-20th century, the mortality rate within five years of the onset of the disease was 50%. The use of antibiotics has eliminated TB as a devastating disease, but the challenge of resistance to anti-TB drugs, which had already been described at the time of the introduction of streptomycin, has become a major global issue in disease management. Mismanagement of multidrug-resistant tuberculosis (MDR-TB) cases, resulting from intermittent drug use, prescription errors, and non-compliance of patients, has been identified as a critical risk factor for the development of extensively drug-resistant tuberculosis (XDR-TB). Antimicrobial resistance (AMR) in TB is a multi-factorial, complex problem of microbes evolving to escape antibiotics, the gradual decline in antibiotic development, and different economic and social conditions. In this review, we summarize recent advances in our understanding of how Mycobacterium tuberculosis evolves drug resistance. We also highlight the importance of developing shorter regimens that rapidly reach bacteria in diverse host environments, eradicating all mycobacterial populations and preventing the evolution of drug resistance. Lastly, we also emphasize that the current burden of this ancient disease is driven by a combination of complex interactions between mycobacterial and host factors, and that only a holistic approach that effectively addresses all the critical issues associated with drug resistance will limit the further spread of drug-resistant strains throughout the community.
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Affiliation(s)
| | | | | | | | - Carmelo Biondo
- Mycobacteriology Unit, Department of Human Pathology, University of Messina, 98125 Messina, Italy; (G.M.); (A.M.); (S.D.G.); (E.P.)
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Krishnan V, Nath S, Nair P, Das B. Mycobacterium tuberculosis and its clever approaches to escape the deadly macrophage. World J Microbiol Biotechnol 2023; 39:300. [PMID: 37667129 DOI: 10.1007/s11274-023-03735-9] [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: 06/21/2023] [Accepted: 08/19/2023] [Indexed: 09/06/2023]
Abstract
Mycobacterium tuberculosis (Mt.b), a deadly disease causer, is a facultative parasite. This microorganism has developed several methods to defend itself, once internalized within specialised vacuoles in the macrophages. A wide array of receptors like the complement receptor mannose receptors, scavenger receptor assists the entry of the microbe within the phagocytic macrophages. However, Mt.b is clever enough to protect itself from the hostile environment of the macrophage thereby prevailing within it. The microbe can efficiently inhibit processes like phagosome-lysosome fusion, acidification of phagosomes, release of proinflammatory cytokines and stop crucial events like apoptosis. Additionally, it also adopts resistance to killing by reactive oxygen intermediates and reactive nitrogen intermediates. There are multiple genes both in host and the pathogen which are involved in this successful survival of Mt.b. The regulation of phagolysosome fusion is mediated by proteins such as Coronin, TlyA, SapM, PnkG, EsxH. The microbe has certain mechanisms to even acquire iron from the host cell, to withstand iron deprivation as a mode of host's defence mechanism. This review focuses on the various defensive adaptations acquired by Mt.b for fighting against the deprived conditions existing within the macrophages and their capability of proliferating successfully within it, thereby resulting in a diseased condition.
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Affiliation(s)
- Vinaya Krishnan
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India
| | | | - Preetha Nair
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India
| | - Bannhi Das
- Department of Biotechnology, Mount Carmel College Autonomous, Bengaluru, 560052, India.
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Jin M, He B, Cai X, Lei Z, Sun T. Research progress of nanoparticle targeting delivery systems in bacterial infections. Colloids Surf B Biointerfaces 2023; 229:113444. [PMID: 37453264 DOI: 10.1016/j.colsurfb.2023.113444] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 06/28/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023]
Abstract
Bacterial infection is a huge threat to the health of human beings and animals. The abuse of antibiotics have led to the occurrence of bacterial multidrug resistance, which have become a difficult problem in the treatment of clinical infections. Given the outstanding advantages of nanodrug delivery systems in cancer treatment, many scholars have begun to pay attention to their application in bacterial infections. However, due to the similarity of the microenvironment between bacterial infection lesions and cancer sites, the targeting and accuracy of traditional microenvironment-responsive nanocarriers are questionable. Therefore, finding new specific targets has become a new development direction of nanocarriers in bacterial prevention and treatment. This article reviews the infectious microenvironment induced by bacteria and a series of virulence factors of common pathogenic bacteria and their physiological functions, which may be used as potential targets to improve the targeting accuracy of nanocarriers in lesions.
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Affiliation(s)
- Ming Jin
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Bin He
- Institute of Animal Husbandry and Veterinary, Wuhan Academy of Agricultural Sciences, China
| | - Xiaoli Cai
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China
| | - Zhixin Lei
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
| | - Taolei Sun
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China; Hubei Key Laboratory of Nanomedicine for Neurodegenerative Diseases, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China.
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Diatlova A, Linkova N, Lavrova A, Zinchenko Y, Medvedev D, Krasichkov A, Polyakova V, Yablonskiy P. Molecular Markers of Early Immune Response in Tuberculosis: Prospects of Application in Predictive Medicine. Int J Mol Sci 2023; 24:13261. [PMID: 37686061 PMCID: PMC10487556 DOI: 10.3390/ijms241713261] [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: 07/24/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Tuberculosis (TB) remains an important public health problem and one of the leading causes of death. Individuals with latent tuberculosis infection (LTBI) have an increased risk of developing active TB. The problem of the diagnosis of the various stages of TB and the identification of infected patients in the early stages has not yet been solved. The existing tests (the tuberculin skin test and the interferon-gamma release assay) are useful to distinguish between active and latent infections. But these tests cannot be used to predict the development of active TB in individuals with LTBI. The purpose of this review was to analyze the extant data of the interaction of M. tuberculosis with immune cells and identify molecular predictive markers and markers of the early stages of TB. An analysis of more than 90 sources from the literature allowed us to determine various subpopulations of immune cells involved in the pathogenesis of TB, namely, macrophages, dendritic cells, B lymphocytes, T helper cells, cytotoxic T lymphocytes, and NK cells. The key molecular markers of the immune response to M. tuberculosis are cytokines (IL-1β, IL-6, IL-8, IL-10, IL-12, IL-17, IL-22b, IFNɣ, TNFa, and TGFß), matrix metalloproteinases (MMP-1, MMP-3, and MMP-9), and their inhibitors (TIMP-1, TIMP-2, TIMP-3, and TIMP-4). It is supposed that these molecules could be used as biomarkers to characterize different stages of TB infection, to evaluate the effectiveness of its treatment, and as targets of pharmacotherapy.
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Affiliation(s)
- Anastasiia Diatlova
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
| | - Natalia Linkova
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
- Biogerontology Department, St. Petersburg Institute of Bioregulation and Gerontology, Dynamo pr., 3, 197110 St. Petersburg, Russia
| | - Anastasia Lavrova
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
- Department of Hospital Surgery, Faculty of Medicine, St. Petersburg State University, University Embankment, 7–9, 199034 St. Petersburg, Russia
| | - Yulia Zinchenko
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
| | - Dmitrii Medvedev
- Biogerontology Department, St. Petersburg Institute of Bioregulation and Gerontology, Dynamo pr., 3, 197110 St. Petersburg, Russia
| | - Alexandr Krasichkov
- Department of Radio Engineering Systems, Electrotechnical University “LETI”, Prof. Popova Street 5F, 197022 St. Petersburg, Russia
| | - Victoria Polyakova
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
| | - Piotr Yablonskiy
- St. Petersburg Research Institute of Phthisiopulmonology, Ligovskii Prospect, 2–4, 191036 St. Petersburg, Russia
- Department of Hospital Surgery, Faculty of Medicine, St. Petersburg State University, University Embankment, 7–9, 199034 St. Petersburg, Russia
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Li S, Long Q, Nong L, Zheng Y, Meng X, Zhu Q. Identification of immune infiltration and cuproptosis-related molecular clusters in tuberculosis. Front Immunol 2023; 14:1205741. [PMID: 37497230 PMCID: PMC10366538 DOI: 10.3389/fimmu.2023.1205741] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/26/2023] [Indexed: 07/28/2023] Open
Abstract
Background Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis (Mtb) infection. Cuproptosis is a novel cell death mechanism correlated with various diseases. This study sought to elucidate the role of cuproptosis-related genes (CRGs) in TB. Methods Based on the GSE83456 dataset, we analyzed the expression profiles of CRGs and immune cell infiltration in TB. Based on CRGs, the molecular clusters and related immune cell infiltration were explored using 92 TB samples. The Weighted Gene Co-expression Network Analysis (WGCNA) algorithm was utilized to identify the co-expression modules and cluster-specific differentially expressed genes. Subsequently, the optimal machine learning model was determined by comparing the performance of the random forest (RF), support vector machine (SVM), generalized linear model (GLM), and eXtreme Gradient Boosting (XGB). The predictive performance of the machine learning model was assessed by generating calibration curves and decision curve analysis and validated in an external dataset. Results 11 CRGs were identified as differentially expressed cuproptosis genes. Significant differences in immune cells were observed in TB patients. Two cuproptosis-related molecular clusters expressed genes were identified. Distinct clusters were identified based on the differential expression of CRGs and immune cells. Besides, significant differences in biological functions and pathway activities were observed between the two clusters. A nomogram was generated to facilitate clinical implementation. Next, calibration curves were generated, and decision curve analysis was conducted to validate the accuracy of our model in predicting TB subtypes. XGB machine learning model yielded the best performance in distinguishing TB patients with different clusters. The top five genes from the XGB model were selected as predictor genes. The XGB model exhibited satisfactory performance during validation in an external dataset. Further analysis revealed that these five model-related genes were significantly associated with latent and active TB. Conclusion Our study provided hitherto undocumented evidence of the relationship between cuproptosis and TB and established an optimal machine learning model to evaluate the TB subtypes and latent and active TB patients.
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Affiliation(s)
- Sijun Li
- Infectious Disease Laboratory, The Fourth People’s Hospital of Nanning, Nanning, China
| | - Qian Long
- Department of Clinical Laboratory, The Fourth People’s Hospital of Nanning, Nanning, China
| | - Lanwei Nong
- Infectious Disease Laboratory, The Fourth People’s Hospital of Nanning, Nanning, China
| | - Yanqing Zheng
- Infectious Disease Laboratory, The Fourth People’s Hospital of Nanning, Nanning, China
| | - Xiayan Meng
- Department of Tuberculosis, The Fourth People’s Hospital of Nanning, Nanning, China
| | - Qingdong Zhu
- Department of Tuberculosis, The Fourth People’s Hospital of Nanning, Nanning, China
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Morrison HM, Craft J, Rivera-Lugo R, Johnson JR, Golovkine GR, Bell SL, Dodd CE, Van Dis E, Beatty WL, Margolis SR, Repasy T, Shaker I, Lee AY, Vance RE, Stanley SA, Watson RO, Krogan NJ, Portnoy DA, Penn BH, Cox JS. Deficiency in Galectin-3, -8, and -9 impairs immunity to chronic Mycobacterium tuberculosis infection but not acute infection with multiple intracellular pathogens. PLoS Pathog 2023; 19:e1011088. [PMID: 37352334 PMCID: PMC10325092 DOI: 10.1371/journal.ppat.1011088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 07/06/2023] [Accepted: 05/01/2023] [Indexed: 06/25/2023] Open
Abstract
Macrophages employ an array of pattern recognition receptors to detect and eliminate intracellular pathogens that access the cytosol. The cytosolic carbohydrate sensors Galectin-3, -8, and -9 (Gal-3, Gal-8, and Gal-9) recognize damaged pathogen-containing phagosomes, and Gal-3 and Gal-8 are reported to restrict bacterial growth via autophagy in cultured cells. However, the contribution of these galectins to host resistance during bacterial infection in vivo remains unclear. We found that Gal-9 binds directly to Mycobacterium tuberculosis (Mtb) and Salmonella enterica serovar Typhimurium (Stm) and localizes to Mtb in macrophages. To determine the combined contribution of membrane damage-sensing galectins to immunity, we generated Gal-3, -8, and -9 triple knockout (TKO) mice. Mtb infection of primary macrophages from TKO mice resulted in defective autophagic flux but normal bacterial replication. Surprisingly, these mice had no discernable defect in resistance to acute infection with Mtb, Stm or Listeria monocytogenes, and had only modest impairments in bacterial growth restriction and CD4 T cell activation during chronic Mtb infection. Collectively, these findings indicate that while Gal-3, -8, and -9 respond to an array of intracellular pathogens, together these membrane damage-sensing galectins play a limited role in host resistance to bacterial infection.
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Affiliation(s)
- Huntly M. Morrison
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Julia Craft
- Department of Internal Medicine, Division of Infectious Diseases, University of California, Davis, Davis, California, United States of America
| | - Rafael Rivera-Lugo
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Jeffery R. Johnson
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco; Quantitative Biosciences Institute (QBI), University of California, San Francisco; Gladstone Institutes, San Francisco, California, United States of America
| | - Guillaume R. Golovkine
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Samantha L. Bell
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health, School of Medicine, Bryan, Texas, United States of America
| | - Claire E. Dodd
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Erik Van Dis
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Wandy L. Beatty
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Shally R. Margolis
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Teresa Repasy
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Isaac Shaker
- Department of Internal Medicine, Division of Infectious Diseases, University of California, Davis, Davis, California, United States of America
| | - Angus Y. Lee
- Cancer Research Laboratory, University of California, Berkeley, Berkeley, California, United States of America
| | - Russell E. Vance
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
- Howard Hughes Medical Institute, University of California, Berkeley, Berkeley, California, United States of America
| | - Sarah A. Stanley
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
- School of Public Health, Division of Infectious Diseases and Vaccinology, University of California, Berkeley, Berkeley, California, United States of America
| | - Robert O. Watson
- Department of Microbial Pathogenesis and Immunology, Texas A&M Health, School of Medicine, Bryan, Texas, United States of America
| | - Nevan J. Krogan
- Department of Cellular and Molecular Pharmacology, University of California, San Francisco; Quantitative Biosciences Institute (QBI), University of California, San Francisco; Gladstone Institutes, San Francisco, California, United States of America
| | - Daniel A. Portnoy
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
| | - Bennett H. Penn
- Department of Internal Medicine, Division of Infectious Diseases, University of California, Davis, Davis, California, United States of America
| | - Jeffery S. Cox
- Department of Molecular and Cell Biology, Division of Immunology and Molecular Medicine, University of California, Berkeley, Berkeley, California, United States of America
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Tang J, Zhao Z, Zhou J, Jiao L, Zhou W, Ying B, Yang Y. Multiple CD59 Polymorphisms in Chinese Patients with Mycobacterium tuberculosis Infection. J Immunol Res 2023; 2023:1216048. [PMID: 37050931 PMCID: PMC10083888 DOI: 10.1155/2023/1216048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/02/2023] [Accepted: 03/19/2023] [Indexed: 04/04/2023] Open
Abstract
Background and Objective. Tuberculosis (TB) is a major threat to human health, especially in developing countries. Its susceptibility and progression depend on interactions between mycobacterium tuberculosis, host immune system, and genetic and environmental factors. Up to now, many studies have presented the association between TB susceptibility and host genetic polymorphisms, but never regarding CD59 gene, which is an essential complement regulator. This study investigated the relationship between multiple CD59 single nucleotide polymorphisms (SNPs) and susceptibility to TB among Chinese patients. Methods. A case–control study was conducted to investigate the SNPs at CD59 rs1047581, rs7046, rs2231460, rs184251026, rs41275164, rs831633, rs704700, rs41275166, and rs10768024 by sequence-specific primer-polymerase chain reaction (SSP-PCR) in 900 tuberculosis patients and 1,534 controls. Results. The minor allele frequencies at rs2231460, rs184251026, rs41275164, and rs41275166 were extremely low both in the Cases (0.00%–0.61%) and in the Controls (0.07%–0.43%), comparatively at rs1047581, rs7046, rs831633, rs704700, and rs10768024 were notably higher both in the Cases (8.23%–48.39%) and in the Controls (8.57%–47.16%). Among the nine SNPs, only homozygous CC genotype at rs10768024 showed a significant protective effect against TB than homozygous TT genotype (OR(95% CI) = 0.59(0.38, 0.91), χ2 = 5.779,
), and homozygous TT and heterozygous CT genotypes showed a significant risk of TB infection in the recessive model (OR(95% CI) = 1.68(1.10, 2.56), χ2 = 5.769,
). Further analysis verified that rs10768024 CC genotype independently related to TB susceptibility (OR(95% CI) = 0.60(0.39, 0.91), Wald χ2 = 5.664,
) in multivariate logistic regression analysis, and its genetic mutation was independent of the other SNPs (r2 = 0.00–0.20) in haplotype analysis. Conclusions. The first investigation of the CD59 gene and susceptibility to TB suggests a significant risk with homozygous TT and heterozygous CT genotypes at rs10768024 loci. The homozygous CC mutation at rs10768024 loci showed a significant protection against TB susceptibility.
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Affiliation(s)
- Jie Tang
- Department of Laboratory Medicine, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Zhenzhen Zhao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Juan Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lin Jiao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wenjing Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yuwei Yang
- Department of Laboratory Medicine, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
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Karakaş Ö, Dogan İ, Güven SC, Erel Ş, Erten S. Evaluation of Tuberculosis Risk under Interleukin-1 Inhibitor Agents
in Patients with Autoinflammatory Diseases: Experience from a Region with
Moderate Tuberculosis Prevalence. AKTUEL RHEUMATOL 2023. [DOI: 10.1055/a-2015-2683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
Abstract
Background We aimed to investigate the rate of TBC reactivation in
patients with autoinflammatory conditions who had been followed up under
treatment with IL-1 antagonists in our clinic. We further aimed to evaluate
whether latent TBC screening and isoniazid prophylaxis before IL-1 inhibitor
treatment is beneficial in the prevention of reactivation.
Patients and Methods This study was designed as a cross-sectional and
observational study. It received the approval of the local ethics committee and
was therefore performed in accordance with the ethical standards laid down in
the 1964 Declaration of Helsinki and its later amendments. Adult patients who
had been followed up in our clinic under treatment with IL-1 antagonists were
evaluated with regard to whether they had a TBC infection before and after these
treatments and whether they had been screened for latent TBC infection before
IL-1 antagonist treatment and received prophylaxis. Clinical and laboratory data
were obtained from hospital records and via telephone interviews after the
patients had given their verbal consent to participate.
Results Fifty-nine patients under IL-1 antagonists were consecutively
enrolled. 58 were under follow-up with the diagnosis of familial Mediterranean
fever and one patient with a diagnosis of adult-onset Still’s disease.
35 patients (59.3%) were treated with anakinra and 24 (40.7%)
were treated with canakinumab. 12 (50%) of the canakinumab users had
previously received anakinra treatment and were switched to canakinumab due to
side-effects or ineffectiveness. The number of patients who underwent latent
tuberculosisc infection (LTBI) screening before treatment was 37
(62.7%); the number of patients who received prophylaxis was 13
(22%). None of the patients receiving IL-1 antagonists developed active
tuberculosis.
Conclusion Blocking the IL-1 pathway may be safe regarding the activation
of LTBI or development of a new tuberculosis infection even in locations with a
high geographical risk.
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Affiliation(s)
| | - İsmail Dogan
- Rheumatology, Ankara Yildirim Beyazit University Faculty of Medicine,
Ankara, Turkey
| | | | - Şule Erel
- İnternal medicine, Ankara City Hospital, ankara,
Turkey
| | - Sukran Erten
- Rheumatology, Yildirim Beyazit University Faculty of Medicine, Ankara,
Turkey
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A Multistage Antigen Complex Epera013 Promotes Efficient and Comprehensive Immune Responses in BALB/c Mice. Vaccines (Basel) 2023; 11:vaccines11030609. [PMID: 36992193 DOI: 10.3390/vaccines11030609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/10/2023] Open
Abstract
Tuberculosis (TB) remains a serious global health problem. Despite the widespread use of the Mycobacterium bovis bacillus Calmette-Guerin (BCG) vaccine, the primary factor for the TB pandemic and deaths is adult TB, which mainly result from endogenous reactivation of latent Mycobacterium tuberculosis (MTB) infection. Improved new TB vaccines with eligible safety and long-lasting protective efficacy remains a crucial step toward the prevention and control of TB. In this study, five immunodominant antigens, including three early secreted antigens and two latency associated antigens, were used to construct a single recombinant fusion protein (Epera013f) and a protein mixture (Epera013m). When formulated with aluminum adjuvant, the two subunit vaccines Epera013m and Epera013f were administered to BALB/c mice. The humoral immune responses, cellular responses and MTB growth inhibiting capacity elicited after Epera013m and Epera013f immunization were analyzed. In the present study, we demonstrated that both the Epera013f and Epera013m were capable of inducing a considerable immune response and protective efficacy against H37Rv infection compared with BCG groups. In addition, Epera013f generated a more comprehensive and balanced immune status, including Th1, Th2 and innate immune response, over Epera013f and BCG. The multistage antigen complex Epera013f possesses considerable immunogenicity and protective efficacy against MTB infection ex vivo indicating its potential and promising applications in further TB vaccine development.
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Meng C, Liu J, Kang X, Xu Z, Xu S, Li X, Pan Z, Chen X, Jiao X. Discrepancy in Response of Mouse Dendritic Cells against BCG: Weak Immune Effects of Plasmacytoid Dendritic Cells Compared to Classical Dendritic Cells despite the Uptake of Bacilli. Trop Med Infect Dis 2023; 8:tropicalmed8030140. [PMID: 36977141 PMCID: PMC10057906 DOI: 10.3390/tropicalmed8030140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/25/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
Tuberculosis (TB), a zoonosis characterized by chronic respiratory infections, is mainly caused by Mycobacterium tuberculosis and is associated with one of the heaviest disease burdens in the world. Dendritic cells (DCs) play a key role and act as a bridge between innate and adaptive immune responses against TB. DCs are divided into distinct subsets. Currently, the response of DCs to mycobacterial infections is poorly understood. Herein, we aimed to evaluate the responses of splenic conventional DCs (cDC) and plasmacytoid DCs (pDC), subsets to Bacillus Calmette–Guérin (BCG) infection in mice. Splenic pDC had a significantly higher infection rate and intracellular bacterial count than cDC and the CD8+ and CD8− cDC subsets after BCG infection. However, the expression levels of CD40, CD80, CD86, and MHC-II molecules were significantly upregulated in splenic cDC and the CD8 cDC subsets compared to pDC during BCG infection. Splenic cDC had a higher expression of IFN-γ and IL-12p70 than pDC, whereas pDC had higher levels of TNF-α and MCP-1 than cDC in mice infected with BCG. At early stages of immunization with BCG containing the Ag85A protein, splenic cDC and pDC could present the Ag85A peptide to a specific T hybridoma; however, cDC had a stronger antigen presenting activity than pDC. In summary, splenic cDC and pDC extensively participate in mouse immune responses against BCG infection in vivo. Although pDC had a higher BCG uptake, cDC induced stronger immunological effects, including activation and maturation, cytokine production, and antigen presentation.
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Affiliation(s)
- Chuang Meng
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Jun Liu
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
| | - Xilong Kang
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Zhengzhong Xu
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Shuangyuan Xu
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
| | - Xin Li
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Zhiming Pan
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Xiang Chen
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
- Correspondence: (X.C.); (X.J.)
| | - Xinan Jiao
- Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou 225009, China
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agrifood Safety and Quality, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
- Correspondence: (X.C.); (X.J.)
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Shi X, Li C, Cheng L, Ullah H, Sha S, Kang J, Ma X, Ma Y. Mycobacterium tuberculosis Rv1324 Protein Contributes to Mycobacterial Persistence and Causes Pathological Lung Injury in Mice by Inducing Ferroptosis. Microbiol Spectr 2023; 11:e0252622. [PMID: 36625672 PMCID: PMC9927160 DOI: 10.1128/spectrum.02526-22] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) is the pathogenic agent of tuberculosis (TB). Intracellular survival plays a central role in the pathogenesis of Mtb, a process that depends on an array of virulence factors for Mtb to colonize and proliferate within a host. Reactive nitrogen and oxygen species (RNS and ROS) are among the most effective antimycobacterial molecules generated by the host during infection. However, Mtb has evolved a number of proteins and enzymes to detoxify ROS and RNS. Secretory protein Rv1324, as a possible thioredoxin, might also have oxidoreductase activity against ROS and RNS during Mtb infection, and it is a potential virulence factor of Mtb. In this study, we investigated the biochemical properties of Mtb Rv1324 and its role in mycobacterial survival and virulence. The results showed that the Rv1324 protein had antioxidant activity and increased the survival of M. smegmatis that was exposed to ROS and RNS. In addition, Rv1324 enhanced the colonization ability of M. smegmatis in the lungs of mice. Further, mice infected with M. smegmatis harboring Rv1324 exhibited pathological injury and inflammation in the lung, which was mediated by ferroptosis. In summary, this study advances our understanding of the mechanisms of mycobacterial survival and pathogenesis, and it reveals a novel target for TB treatment. IMPORTANCE The intracellular survival of M. tuberculosis (Mtb) plays a crucial role in its pathogenesis, which depends on various Mtb oxidoreductases that are resistant to reactive oxygen and nitrogen species (ROS and RNS) that are generated by the host during Mtb infection. Secretory protein Rv1324 is a potential virulence factor of Mtb and is a possible thioredoxin that has oxidoreductase activity against ROS and RNS during Mtb infection. We investigated the biochemical properties of Mtb Rv1324 and its role in mycobacterial survival and virulence. It was confirmed that the Rv1324 protein had antioxidant activity and an increased mycobacterial resistance to ROS and RNS. In addition, Rv1324 enhanced mycobacterial persistence and induced pathological injury and inflammation in the lungs of mice by activating ferroptosis. This study advances our understanding of the mechanisms of mycobacterial survival and pathogenesis, and it reveals a novel target for TB treatment.
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Affiliation(s)
- Xiaoxia Shi
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
- Department of Experimental Teaching Center of Public Health, Dalian Medical University, Dalian, China
| | - Chunyu Li
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Lin Cheng
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Hayan Ullah
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Shanshan Sha
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Jian Kang
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
| | - Xiaochi Ma
- College of Integrative Medicine, Dalian Medical University, Dalian, China
- Pharmaceutical Research Center, The Second Affiliated Hospital, Dalian Medical University, Dalian, China
| | - Yufang Ma
- Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, China
- Department of Microbiology, Dalian Medical University, Dalian, China
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Thomas SM, Olive AJ. Rapid lethality of mice lacking the phagocyte oxidase and Caspase1/11 following Mycobacterium tuberculosis infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.08.527787. [PMID: 36798180 PMCID: PMC9934620 DOI: 10.1101/2023.02.08.527787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Immune networks that control antimicrobial and inflammatory mechanisms have overlapping regulation and functions to ensure effective host responses. Genetic interaction studies of immune pathways that compare host responses in single and combined knockout backgrounds are a useful tool to identify new mechanisms of immune control during infection. For disease caused by pulmonary Mycobacterium tuberculosis infections, which currently lacks an effective vaccine, understanding genetic interactions between protective immune pathways may identify new therapeutic targets or disease-associated genes. Previous studies suggested a direct link between the activation of NLRP3-Caspase1 inflammasome and the NADPH-dependent phagocyte oxidase complex during Mtb infection. Loss of the phagocyte oxidase complex alone resulted in increased activation of Caspase1 and IL1β production during Mtb infection, resulting in failed disease tolerance during the chronic stages of disease. To better understand this interaction, we generated mice lacking both Cybb , a key subunit of the phagocyte oxidase, and Caspase1/11 . We found that ex vivo Mtb infection of Cybb -/- Caspase1/11 -/- macrophages resulted in the expected loss of IL1β secretion but an unexpected change in other inflammatory cytokines and bacterial control. Mtb infected Cybb -/- Caspase1/11 -/- mice rapidly progressed to severe TB, succumbing within four weeks to disease characterized by high bacterial burden, increased inflammatory cytokines, and the recruitment of granulocytes that associated with Mtb in the lungs. These results uncover a key genetic interaction between the phagocyte oxidase complex and Caspase1/11 that controls protection against TB and highlight the need for a better understanding of the regulation of fundamental immune networks during Mtb infection.
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Affiliation(s)
- Sean M. Thomas
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI USA
| | - Andrew J. Olive
- Department of Microbiology and Molecular Genetics, College of Osteopathic Medicine, Michigan State University, East Lansing, MI USA
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Bo H, Moure UAE, Yang Y, Pan J, Li L, Wang M, Ke X, Cui H. Mycobacterium tuberculosis-macrophage interaction: Molecular updates. Front Cell Infect Microbiol 2023; 13:1062963. [PMID: 36936766 PMCID: PMC10020944 DOI: 10.3389/fcimb.2023.1062963] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb), the causative agent of Tuberculosis (TB), remains a pathogen of great interest on a global scale. This airborne pathogen affects the lungs, where it interacts with macrophages. Acidic pH, oxidative and nitrosative stressors, and food restrictions make the macrophage's internal milieu unfriendly to foreign bodies. Mtb subverts the host immune system and causes infection due to its genetic arsenal and secreted effector proteins. In vivo and in vitro research have examined Mtb-host macrophage interaction. This interaction is a crucial stage in Mtb infection because lung macrophages are the first immune cells Mtb encounters in the host. This review summarizes Mtb effectors that interact with macrophages. It also examines how macrophages control and eliminate Mtb and how Mtb manipulates macrophage defense mechanisms for its own survival. Understanding these mechanisms is crucial for TB prevention, diagnosis, and treatment.
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Affiliation(s)
- Haotian Bo
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Ulrich Aymard Ekomi Moure
- The Ninth People's Hospital of Chongqing, Affiliated Hospital of Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Yuanmiao Yang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Jun Pan
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Li Li
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Miao Wang
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Xiaoxue Ke
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- *Correspondence: Hongjuan Cui, ; Xiaoxue Ke,
| | - Hongjuan Cui
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
- *Correspondence: Hongjuan Cui, ; Xiaoxue Ke,
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Rawat BS, Kumar D, Soni V, Rosenn EH. Therapeutic Potentials of Immunometabolomic Modulations Induced by Tuberculosis Vaccination. Vaccines (Basel) 2022; 10:vaccines10122127. [PMID: 36560537 PMCID: PMC9781011 DOI: 10.3390/vaccines10122127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/03/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022] Open
Abstract
Metabolomics is emerging as a promising tool to understand the effect of immunometabolism for the development of novel host-directed alternative therapies. Immunometabolism can modulate both innate and adaptive immunity in response to pathogens and vaccinations. For instance, infections can affect lipid and amino acid metabolism while vaccines can trigger bile acid and carbohydrate pathways. Metabolomics as a vaccinomics tool, can provide a broader picture of vaccine-induced biochemical changes and pave a path to potentiate the vaccine efficacy. Its integration with other systems biology tools or treatment modes can enhance the cure, response rate, and control over the emergence of drug-resistant strains. Mycobacterium tuberculosis (Mtb) infection can remodel the host metabolism for its survival, while there are many biochemical pathways that the host adjusts to combat the infection. Similarly, the anti-TB vaccine, Bacillus Calmette-Guerin (BCG), was also found to affect the host metabolic pathways thus modulating immune responses. In this review, we highlight the metabolomic schema of the anti-TB vaccine and its therapeutic applications. Rewiring of immune metabolism upon BCG vaccination induces different signaling pathways which lead to epigenetic modifications underlying trained immunity. Metabolic pathways such as glycolysis, central carbon metabolism, and cholesterol synthesis play an important role in these aspects of immunity. Trained immunity and its applications are increasing day by day and it can be used to develop the next generation of vaccines to treat various other infections and orphan diseases. Our goal is to provide fresh insight into this direction and connect various dots to develop a conceptual framework.
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Affiliation(s)
- Bhupendra Singh Rawat
- Center for Immunity and Inflammation, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
| | - Deepak Kumar
- Department of Zoology, University of Rajasthan, Jaipur 302004, Rajasthan, India
| | - Vijay Soni
- Division of Infectious Diseases, Weill Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA
- Correspondence:
| | - Eric H. Rosenn
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
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Park HE, Lee W, Choi S, Jung M, Shin MK, Shin SJ. Modulating macrophage function to reinforce host innate resistance against Mycobacterium avium complex infection. Front Immunol 2022; 13:931876. [PMID: 36505429 PMCID: PMC9730288 DOI: 10.3389/fimmu.2022.931876] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 10/21/2022] [Indexed: 11/25/2022] Open
Abstract
Mycobacterium avium complex (MAC) is the main causative agent of infectious diseases in humans among nontuberculous mycobacteria (NTM) that are ubiquitous organisms found in environmental media such as soil as well as in domestic and natural waters. MAC is a primary causative agent of NTM-lung disease that threaten immunocompromised or structural lung disease patients. The incidence and the prevalence of M. tuberculosis infection have been reduced, while MAC infections and mortality rates have increased, making it a cause of global health concern. The emergence of drug resistance and the side effects of long-term drug use have led to a poor outcome of treatment regimens against MAC infections. Therefore, the development of host-directed therapy (HDT) has recently gained interest, aiming to accelerate mycobacterial clearance and reversing lung damage by employing the immune system using a novel adjuvant strategy to improve the clinical outcome of MAC infection. Therefore, in this review, we discuss the innate immune responses that contribute to MAC infection focusing on macrophages, chief innate immune cells, and host susceptibility factors in patients. We also discuss potential HDTs that can act on the signaling pathway of macrophages, thereby contributing to antimycobacterial activity as a part of the innate immune response during MAC infection. Furthermore, this review provides new insights into MAC infection control that modulates and enhances macrophage function, promoting host antimicrobial activity in response to potential HDTs and thus presenting a deeper understanding of the interactions between macrophages and MACs during infection.
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Affiliation(s)
- Hyun-Eui Park
- Department of Microbiology and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju, South Korea
| | - Wonsik Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
| | - Sangwon Choi
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Myunghwan Jung
- Department of Microbiology and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju, South Korea
| | - Min-Kyoung Shin
- Department of Microbiology and Convergence Medical Science, Institute of Health Sciences, College of Medicine, Gyeongsang National University, Jinju, South Korea,*Correspondence: Min-Kyoung Shin, ; Sung Jae Shin,
| | - Sung Jae Shin
- Department of Microbiology, Institute for Immunology and Immunological Disease, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea,*Correspondence: Min-Kyoung Shin, ; Sung Jae Shin,
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Zhou J, Fang F, Qi J, Li T, Zhang L, Liu H, Lv J, Xu T, Wu F, Song C, Li W, Wang X, Chang X, Wang H, Wang T, Qian Z. Activation of Nrf2 modulates protective immunity against Mycobacterium tuberculosis infection in THP1-derived macrophages. Free Radic Biol Med 2022; 193:177-189. [PMID: 36244589 DOI: 10.1016/j.freeradbiomed.2022.10.274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 10/08/2022] [Accepted: 10/10/2022] [Indexed: 12/14/2022]
Abstract
Tuberculosis (TB), caused by mycobacterium tuberculosis (M. tuberculosis) infection, is one of the leading causes of death globally and poses a threat to public health. During infection, M. tuberculosis causes redox imbalance and dysfunctions of protective immunity. Transcription factor nuclear factor erythroid 2 (NF-E2)-related factor (Nrf2) is a major modulator of cellular redox homeostasis via transcriptional induction of cytoprotective genes to protect cell against the damage from insults. Thus, we hypothesize that Nrf2 may regulate protective immunity against M. tuberculosis. RNA-seq and immunoblotting results suggested that the expression of Nrf2 protein increased after M. tuberculosis infection, and decreased upon long-term M. tuberculosis infection, while Keap1 protein maintained a low expression level during M. tuberculosis infection. Furthermore, Nrf2 activator sulforaphane (SFN) decreased proinflammatory cytokines production, phagocytosis and host cell apoptosis, while increasing ROS levels and promoting autophagy in THP1 macrophages infected with M. tuberculosis. In addition, SFN-activated Nrf2 augmented bacterial killing by macrophages, which might be due to the regulation of protective immunity via Nrf2. Combined, our results extend the understanding of the complex innate immunity regulation by Nrf2 against mycobacterial infection. Also, these findings suggested that the regulation of Nrf2 signaling cascade could be used as a therapeutic target for the treatment of TB patients and the development of better anti-TB vaccines.
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Affiliation(s)
- Jie Zhou
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China; Department of Clinical Laboratory, The Third People's Hospital of Bengbu, Bengbu Medical College, Bengbu, Anhui, 233000, China
| | - Fang Fang
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Jinying Qi
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Tengteng Li
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Lin Zhang
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Hui Liu
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Jingzhu Lv
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Tao Xu
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Fengjiao Wu
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Chuanwang Song
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Wei Li
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui, 233000, China
| | - Xiaojing Wang
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Department of Respiration, First Affiliated Hospital, Bengbu Medical College, Bengbu, Anhui, 233000, China
| | - Xianyou Chang
- The Infectious Disease Hospital of Bengbu City, Bengbu, Anhui, 233000, China
| | - Hongtao Wang
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China
| | - Ting Wang
- Department of Internal Medicine, University of Arizona, Phoenix, AZ, 85004, USA.
| | - Zhongqing Qian
- Anhui Provincial Key Laboratory of Immunology in Chronic Diseases, Anhui Provincial Key Laboratory of Infection and Immunology, Department of Laboratory Medicine, Bengbu Medical College, Bengbu, Anhui, 233030, China.
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50
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The Association of Peripheral T Lymphocyte Subsets Disseminated Infection by Mycobacterium Tuberculosis in HIV-Negative Patients: A Retrospective Observational Study. Medicina (B Aires) 2022; 58:medicina58111606. [DOI: 10.3390/medicina58111606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Background and Objective: This study was performed to investigate the association of peripheral T lymphocyte subsets with disseminated infection (DI) by Mycobacterium tuberculosis (MTB) in HIV-negative patients. Methods and Materials: The study included 587 HIV-negative tuberculosis (TB) patients. Results: In TB patients with DI, the proportion of CD4+ T cells decreased, the proportion of CD8+ T cells increased, and the ratio of CD4+/CD8+ T cells decreased. According to univariate analysis, smoking, alcohol consumption, rifampicin-resistance, retreatment, and high sputum bacterial load were linked to lower likelihood of developing MTB dissemination. Multivariate analysis indicated that after adjustment for alcohol use, smoking, retreatment, smear, culture, rifampicin-resistance, and CD4+/CD8+, the proportion of CD8+ T cells (but not CD4+ T cells) was independently and positively associated with the prevalence of DI in HIV-negative pulmonary TB (PTB) patients. Conclusions: Examining T lymphocyte subsets is of great value for evaluating the immune function of HIV-negative TB patients, and an increase in the CD8+ T cell proportion may be a critical clue regarding the cause of DI in such patients.
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