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Cai XQ, Huang Q, Zhang TP. The Methylation in B7-H4 and BTLA Genes are Associated with the Risk of Pulmonary Tuberculosis. Immunotargets Ther 2023; 12:149-163. [PMID: 38033484 PMCID: PMC10683667 DOI: 10.2147/itt.s434403] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 11/08/2023] [Indexed: 12/02/2023] Open
Abstract
Background The important roles of B7 homologous body 4 (B7-H4), B and T lymphocyte attenuator (BTLA) in patients with pulmonary tuberculosis (PTB) have been reported. This study aims to evaluate the association among B7-H4 and BTLA genes polymorphism, methylation and PTB susceptibility. Methodology Here, we assessed the possible relationship of 10 single nucleotide polymorphisms (SNPs) in B7-H4, BTLA genes with PTB susceptibility in a Chinese population (496 PTB patients and 502 controls) by SNPscan technique. Then, the B7-H4, BTLA genes methylation levels among 98 PTB patients and 97 controls were detected using MethylTarget technique. Results This study found no significant differences in allele and genotype frequencies of B7-H4 gene rs10754339, rs10801935, rs10923223, rs1937956, rs3738414, BTLA gene rs1982809, rs2971205, rs75368388, rs9288953 variants between PTB patients and controls. Haplotype analysis suggested that the lower frequencies of B7-H4 AATTG haplotype, BTLA GATT haplotype and the higher frequency of BTLA AGTC haplotype were found in PTB patients when compared with controls. We also found that the frequency of BTLA gene rs9288953 C allele was significantly increased in PTB patients with drug resistance. Moreover, the methylation levels of B7-H4 and BTLA genes in PTB patients were greater than that in controls, and rs10754339 variant in B7-H4 gene could affect its methylation level in PTB patients. Conclusion B7-H4, BTLA genes polymorphism might not affect PTB susceptibility, while the abnormal methylation levels of B7-H4, BTLA genes were associated with the genetic background of PTB.
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Affiliation(s)
- Xue-Qian Cai
- Department of Respiratory and Critical Care Medicine, Anhui Chest Hospital, Hefei, People’s Republic of China
| | - Qian Huang
- Department of Public Health, Medical Department, Qinghai University, Xining, People’s Republic of China
| | - Tian-Ping Zhang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, People’s Republic of China
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2
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Sordo-Bahamonde C, Lorenzo-Herrero S, Granda-Díaz R, Martínez-Pérez A, Aguilar-García C, Rodrigo JP, García-Pedrero JM, Gonzalez S. Beyond the anti-PD-1/PD-L1 era: promising role of the BTLA/HVEM axis as a future target for cancer immunotherapy. Mol Cancer 2023; 22:142. [PMID: 37649037 PMCID: PMC10466776 DOI: 10.1186/s12943-023-01845-4] [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: 06/07/2023] [Accepted: 08/17/2023] [Indexed: 09/01/2023] Open
Abstract
Recent introduction of monoclonal antibodies targeting immune checkpoints to harness antitumor immunity has revolutionized the cancer treatment landscape. The therapeutic success of immune checkpoint blockade (ICB)-based therapies mainly relies on PD-1/PD-L1 and CTLA-4 blockade. However, the limited overall responses and lack of reliable predictive biomarkers of patient´s response are major pitfalls limiting immunotherapy success. Hence, this reflects the compelling need of unveiling novel targets for immunotherapy that allow to expand the spectrum of ICB-based strategies to achieve optimal therapeutic efficacy and benefit for cancer patients. This review thoroughly dissects current molecular and functional knowledge of BTLA/HVEM axis and the future perspectives to become a target for cancer immunotherapy. BTLA/HVEM dysregulation is commonly found and linked to poor prognosis in solid and hematological malignancies. Moreover, circulating BTLA has been revealed as a blood-based predictive biomarker of immunotherapy response in various cancers. On this basis, BTLA/HVEM axis emerges as a novel promising target for cancer immunotherapy. This prompted rapid development and clinical testing of the anti-BTLA blocking antibody Tifcemalimab/icatolimab as the first BTLA-targeted therapy in various ongoing phase I clinical trials with encouraging results on preliminary efficacy and safety profile as monotherapy and combined with other anti-PD-1/PD-L1 therapies. Nevertheless, it is anticipated that the intricate signaling network constituted by BTLA/HVEM/CD160/LIGHT involved in immune response regulation, tumor development and tumor microenvironment could limit therapeutic success. Therefore, in-depth functional characterization in different cancer settings is highly recommended for adequate design and implementation of BTLA-targeted therapies to guarantee the best clinical outcomes to benefit cancer patients.
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Affiliation(s)
- Christian Sordo-Bahamonde
- Department of Functional Biology, Immunology, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Seila Lorenzo-Herrero
- Department of Functional Biology, Immunology, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Rocío Granda-Díaz
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
- Department of Otolaryngology-Head and Neck Surgery, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Alejandra Martínez-Pérez
- Department of Functional Biology, Immunology, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Candelaria Aguilar-García
- Department of Functional Biology, Immunology, Universidad de Oviedo, Oviedo, Spain
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
| | - Juan P Rodrigo
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
- Department of Otolaryngology-Head and Neck Surgery, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Juana M García-Pedrero
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain
- Department of Otolaryngology-Head and Neck Surgery, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto de Salud Carlos III, Madrid, Spain
| | - Segundo Gonzalez
- Department of Functional Biology, Immunology, Universidad de Oviedo, Oviedo, Spain.
- Instituto Universitario de Oncología del Principado de Asturias (IUOPA), Oviedo, Spain.
- Instituto de Investigación Sanitaria del Principado de Asturias (ISPA), Oviedo, Spain.
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3
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Hu B, Ren G, Zhao L. Effect of Health Education Combined with Dietary Guidance on Nutritional Indicator, Immune Level, and Quality of Life of Patients with Pulmonary Tuberculosis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2021; 2021:9463577. [PMID: 34630630 PMCID: PMC8494569 DOI: 10.1155/2021/9463577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 08/28/2021] [Accepted: 09/01/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To investigate the effects of health education combined with dietary guidance on nutritional indicators, immune level, and quality of life of patients with pulmonary tuberculosis. METHOD A total of 123 patients with pulmonary tuberculosis who were hospitalized to our hospital between October 2019 and October 2020 were chosen for the study and were separated into 60 control cases and 63 observation cases based on the ward they were assigned to. Patients in the two groups were compared in terms of nutritional risk, nutritional indicator levels in serum, immunological function, treatment compliance, sputum culture conversion rate, and quality of life. RESULT With the prolongation of patients' illness, the total NRS 2002 score gradually increased in both groups and the total NRS 2002 score of patients in the control group was higher than that of patients in the observation group at the same time point after discharge. The difference between the total NRS 2002 score of patients in both groups was significant at 3 and 6 months after discharge. After the intervention, the Hb, ALB, CD4+, and CD4+/CD8+ levels of patients in both groups were higher than those at the time of admission, and the CD8+ levels were lower than those at the time of admission. At 6 months after discharge, the Hb, ALB, CD4+, and CD4+/CD8+ levels of patients in the observation group were significantly higher than those in the control group, and the CD8+ levels were significantly lower than those in the control group. The treatment compliance rate of patients in the observation group (96.83%) was significantly higher than that of the control group (75%), and the negative sputum culture transfer rate (85.71%) was significantly higher than that in the control group (60%). The overall quality of life scores of patients in the observation group was significantly higher than that in the control group. CONCLUSION Health education combined with dietary guidance for patients with pulmonary tuberculosis can deepen patients' understanding of disease and nutritional knowledge, improve treatment compliance, improve their nutritional status, enhance their immune function, accelerate sputum bacterial conversion, enhance treatment effect, and improve their quality of life.
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Affiliation(s)
- Baojuan Hu
- Xi'an Chest Hospital, Xi'an 710100, China
| | - Guoxia Ren
- Xi'an Chest Hospital, Xi'an 710100, China
| | - Lin Zhao
- Xi'an Chest Hospital, Xi'an 710100, China
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Deng Z, Zheng Y, Cai P, Zheng Z. The Role of B and T Lymphocyte Attenuator in Respiratory System Diseases. Front Immunol 2021; 12:635623. [PMID: 34163466 PMCID: PMC8215117 DOI: 10.3389/fimmu.2021.635623] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 05/18/2021] [Indexed: 01/03/2023] Open
Abstract
B and T lymphocyte attenuator (BTLA), an immunomodulatory molecule widely expressed on the surface of immune cells, can influence various signaling pathways and negatively regulate the activation and proliferation of immune cells by binding to its ligand herpes virus entry mediator (HVEM). BTLA plays an important role in immunoregulation and is involved in the pathogenesis of various respiratory diseases, including airway inflammation, asthma, infection, pneumonia, acute respiratory distress syndrome and lung cancer. In recent years, some studies have found that BTLA also has played a positive regulatory effect on immunity system in the occurrence and development of respiratory diseases. Since severe pulmonary infection is a risk factor for sepsis, this review also summarized the new findings on the role of BTLA in sepsis.
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Affiliation(s)
- Zheng Deng
- General Department, Hunan Institute for Tuberculosis Control, Changsha, China.,General Department, Hunan Chest Hospital, Changsha, China
| | - Yi Zheng
- Department of Pharmacy, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Pei Cai
- Department of Pharmacy, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
| | - Zheng Zheng
- General Department, Hunan Institute for Tuberculosis Control, Changsha, China.,General Department, Hunan Chest Hospital, Changsha, China
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5
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Flores J, Cancino JC, Chavez-Galan L. Lipoarabinomannan as a Point-of-Care Assay for Diagnosis of Tuberculosis: How Far Are We to Use It? Front Microbiol 2021; 12:638047. [PMID: 33935997 PMCID: PMC8081860 DOI: 10.3389/fmicb.2021.638047] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 03/22/2021] [Indexed: 12/13/2022] Open
Abstract
Tuberculosis (TB) is still a severe public health problem; the current diagnostic tests have limitations that delay treatment onset. Lipoarabinomannan (LAM) is a glycolipid that is a component of the cell wall of the bacillus Mycobacterium tuberculosis, the etiologic agent of TB. This glycolipid is excreted as a soluble form in urine. The World Health Organization has established that the design of new TB diagnostic methods is one of the priorities within the EndTB Strategy. LAM has been suggested as a biomarker to develop diagnostic tests based on its identification in urine, and it is one of the most prominent candidates to develop point-of-care diagnostic test because urine samples can be easily collected. Moreover, LAM can regulate the immune response in the host and can be found in the serum of TB patients, where it probably affects a wide variety of host cell populations, consequently influencing the quality of both innate and adaptive immune responses during TB infection. Here, we revised the evidence that supports that LAM could be used as a tool for the development of new point-of-care tests for TB diagnosis, and we discussed the mechanisms that could contribute to the low sensitivity of diagnostic testing.
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Affiliation(s)
- Julio Flores
- Laboratory of Integrative Immunology, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico.,Laboratory of Immunomicrobiology, Department of Microbiology, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Juan Carlos Cancino
- Laboratory of Immunomicrobiology, Department of Microbiology, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Leslie Chavez-Galan
- Laboratory of Integrative Immunology, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City, Mexico
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6
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Ning Z, Liu K, Xiong H. Roles of BTLA in Immunity and Immune Disorders. Front Immunol 2021; 12:654960. [PMID: 33859648 PMCID: PMC8043046 DOI: 10.3389/fimmu.2021.654960] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/12/2021] [Indexed: 12/12/2022] Open
Abstract
B and T lymphocyte attenuator (BTLA) is one of the most important cosignaling molecules. It belongs to the CD28 superfamily and is similar to programmed cell death-1 (PD-1) and cytotoxic T lymphocyte associated antigen-4 (CTLA-4) in terms of its structure and function. BTLA can be detected in most lymphocytes and induces immunosuppression by inhibiting B and T cell activation and proliferation. The BTLA ligand, herpesvirus entry mediator (HVEM), does not belong to the classic B7 family. Instead, it is a member of the tumor necrosis factor receptor (TNFR) superfamily. The association of BTLA with HVEM directly bridges the CD28 and TNFR families and mediates broad and powerful immune effects. Recently, a large number of studies have found that BTLA participates in numerous physiopathological processes, such as tumor, inflammatory diseases, autoimmune diseases, infectious diseases, and transplantation rejection. Therefore, the present work aimed to review the existing knowledge about BTLA in immunity and summarize the diverse functions of BTLA in various immune disorders.
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Affiliation(s)
- Zhaochen Ning
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China.,Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Keyan Liu
- Department of Public Health, Jining Medical University, Jining, China
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China.,Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
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7
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Cheng C, Pan W, Li X, Qu H. Clinical effect of vitamin D supplementation on patients with pulmonary tuberculosis and its influence on the expression of immune cells and inflammatory factors. Exp Ther Med 2020; 20:2236-2244. [PMID: 32765700 PMCID: PMC7401900 DOI: 10.3892/etm.2020.8957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 05/21/2020] [Indexed: 01/01/2023] Open
Abstract
Tuberculosis is highly infectious and has a high incidence worldwide. Therefore, effective treatment is essential for the disease. The immune function and inflammatory factors can reflect the therapeutic effect of pulmonary tuberculosis to some extent. Thus, the aim of the present study was to investigate the clinical effect of vitamin D supplementation on pulmonary tuberculosis patients and its influence on the expression of immune cells and inflammatory factors in patients. A total of 256 patients with pulmonary tuberculosis who were admitted to our hospital were collected as research participants; 120 patients who were treated with conventional antituberculosis drugs were taken as a control group (CG) and 136 patients who were treated with vitamin D-assisted antituberculosis drugs were taken as the research group (RG). The levels of inflammatory factors (IL-6, MMP-9, IL-4, TNF-α) and T lymphocyte subgroup of patients were measured in both groups before and after treatment. The efficacy was compared in both groups. The disappearance time of wheezing and cough in RG was shorter than that in CG (P<0.001). There was no difference in X-ray chest plain film, sputum examination results and efficacy of patients in both groups (P>0.05). After treatment, CD3+, CD4+, CD4+/CD8+ were upregulated in both groups (P<0.05), while CD3+, CD4+, CD4+/CD8+ in RG were higher than those in CG (P<0.05). After treatment, inflammatory factors in both groups improved compared with those before treatment. Serum inflammatory factors in RG were significantly lower than those in CG (P<0.05). After treatment, surfactant protein in the two groups was lower than that before treatment, while that in RG was significantly lower than that in CG (P<0.05). After treatment, soluble selectins in both groups improved significantly. The level of soluble selectins in RG was slightly lower than that in CG. The incidence of adverse reactions in RG was lower than that in CG. The life quality scores of patients in RG were slightly higher than those in CG (P<0.05). In conclusion, vitamin D-assisted antituberculosis drugs can effectively improve the immune function and expression level of inflammatory factors in pulmonary tuberculosis patients and reduce adverse reactions.
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Affiliation(s)
- Chunxu Cheng
- Department of Infectious Diseases, Changchun Hospital for Infectious Diseases, Changchun, Jilin 130031, P.R. China
| | - Weina Pan
- Department of Infectious Diseases, Changchun Hospital for Infectious Diseases, Changchun, Jilin 130031, P.R. China
| | - Xiang Li
- Department of Radiology, The Third People's Hospital of Gongzhuling City, Siping, Jilin 136105, P.R. China
| | - Hongyan Qu
- Department of Drug-Resistant Tuberculosis, Changchun Hospital for Infectious Diseases, Changchun, Jilin 130031, P.R. China
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Zhang JA, Lu YB, Wang WD, Liu GB, Chen C, Shen L, Luo HL, Xu H, Peng Y, Luo H, Huang GX, Wu DD, Zheng BY, Yi LL, Chen ZW, Xu JF. BTLA-Expressing Dendritic Cells in Patients With Tuberculosis Exhibit Reduced Production of IL-12/IFN-α and Increased Production of IL-4 and TGF-β, Favoring Th2 and Foxp3 + Treg Polarization. Front Immunol 2020; 11:518. [PMID: 32296431 PMCID: PMC7136538 DOI: 10.3389/fimmu.2020.00518] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 03/06/2020] [Indexed: 12/15/2022] Open
Abstract
Little is known about how tuberculosis (TB) impairs dendritic cell (DC) function and anti-TB immune responses. We previously showed that the B and T lymphocyte attenuator (BTLA), an immune inhibitory receptor, is involved in TB pathogenesis. Here, we examined whether BTLA expression in TB affects phenotypic and functional aspects of DCs. Active TB patients exhibited higher expression of BTLA in myeloid dendritic cells (mDCs) and plasmacytoid DCs (pDCs) subsets compared with healthy controls (HCs). BTLA expression was similarly high in untreated TB, TB relapse, and sputum-bacillus positive TB, but anti-TB therapy reduced TB-driven increases in frequencies of BTLA+ DCs. BTLA+ DCs in active TB showed decreased expression of the DC maturation marker CD83, with an increased expression of CCR7 in mDCs. BTLA+ DCs in active TB displayed a decreased ability to express HLA-DR and to uptake foreign antigen, with a reduced expression of the co-stimulatory molecule CD80, but not CD86. Functionally, BTLA+ DCs in active TB showed a decreased production of IL-12 and IFN-α as well as a reduced ability to stimulate allogeneic T-cell proliferative responses. BTLA+ mDCs produced larger amounts of IL-4 and TGF-β than BTLA− mDCs in both HCs and APT patients. BTLA+ DCs from active TB patients showed a reduced ability to stimulate Mtb antigen-driven Th17 and Th22 polarizations as compared to those from HCs. Conversely, these BTLA+ DCs more readily promoted the differentiation of T regulatory cells (Treg) and Th2 than those from HCs. These findings suggest that TB-driven BTLA expression in DCs impairs the expression of functional DC surrogate markers and suppress the ability of DCs to induce anti-TB Th17 and Th22 response while promoting Th2 and Foxp3+ Tregs.
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Affiliation(s)
- Jun-Ai Zhang
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Yuan-Bin Lu
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Wan-Dang Wang
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Department of Clinical Medicine Laboratory, Affiliated Xiaolan Hospital, Southern Medical University, Zhongshan, China
| | - Gan-Bin Liu
- Department of Respiration, Dongguan 6th Hospital, Dongguan, China
| | - Chen Chen
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Ling Shen
- Department of Microbiology and Immunology, Center for Primate Biomedical Research, University of Illinois College of Medicine, Chicago, IL, United States
| | - Hou-Long Luo
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Huan Xu
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Ying Peng
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Hong Luo
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Gui-Xian Huang
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Du-Du Wu
- School of Pharmacy, Guangdong Medical University, Dongguan, China
| | - Bi-Ying Zheng
- Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
| | - Lai-Long Yi
- Department of Respiration, Dongguan 6th Hospital, Dongguan, China
| | - Zheng W Chen
- Department of Microbiology and Immunology, Center for Primate Biomedical Research, University of Illinois College of Medicine, Chicago, IL, United States
| | - Jun-Fa Xu
- Department of Clinical Immunology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan, China.,Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, China
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