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Ren Y, Zhang H. A Mendelian randomization study investigating the causal relationships between inflammation and immunoglobulin A nephropathy. Hum Immunol 2024; 85:110830. [PMID: 38861759 DOI: 10.1016/j.humimm.2024.110830] [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: 10/27/2023] [Revised: 04/27/2024] [Accepted: 06/06/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) is an autoimmune disease characterized by the production of galactose‑deficient IgA1 (Gd‑IgA1) and the deposition of immune complexes in the kidney. Exploring the landscape of immune dysregulation in IgAN is valuable for pathogenesis and disease treatment. We conducted Mendelian randomization (MR) to assess the causal correlations between inflammation and IgAN. METHODS Based on available genetic datasets, we investigated potential causal links between inflammation and the risk of IgAN using two-sample MR. We used genome-wide association study (GWAS) summary statistics of 5 typical inflammation markers, 41 inflammatory cytokines, and 731 immune cell signatures, accessed from the public GWAS Catalog. The primary method employed for MR analysis was Inverse Variance Weighted (IVW). To confirm consistency across results, four supplementary MR methods were also conducted: MR-Egger, Weighted Median, Weighted Mode, and Simple Mode. To assess pleiotropy, we used the MR-Egger regression intercept test and Mendelian Randomization Pleiotropy RESidual Sum and Outlier (MR-PRESSO) test. Cochrane's Q statistic was applied to evaluate heterogeneity. Additionally, the stability of the MR findings was verified through the leave-one-out sensitivity analysis. RESULTS This study revealed that interleukin-7 (IL-7) and stem cell growth factor beta (SCGF-β) were possibly associated with the risk of IgAN according to the IVW approach, with estimated odds ratios (OR) of 1.059 (95 % confidence interval [CI] 1.015 to 1.104, P = 0.008) and 1.043 (95 % CI 1.002 to 1.085, P = 0.037). Five immune traits were identified that might be linked to IgAN risk, each with P-values below 0.01, including natural killer T %T cell (OR = 1.058, 95 % CI: 1.020 to 1.097, P = 0.002), natural killer T %lymphocyte (OR = 1.055, 95 % CI: 1.016 to 1.096, P = 0.006), CD25++ CD8+ T cell %T cell (OR = 1.057, 95 % CI: 1.016 to 1.099, P = 0.006), CD3 on effector memory CD4+ T cell (OR = 1.045, 95 % CI: 1.019 to 1.071, P = 0.001), and CD3 on CD28+ CD45RA+ CD8+ T cell (OR = 1.042, 95 % CI: 1.016 to 1.068, P = 0.001). CD4 on central memory CD4+ T cell might be a protective factor for IgAN (OR = 0.922, 95 % CI: 0.875 to 0.971, P = 0.002). Moreover, IgAN may be implicated in a high risk of elevated granulocyte colony-stimulating factor (G-CSF) (OR = 1.114, 95 % CI 1.002 to 1.239, P = 0.046). CONCLUSION Our study revealed exposures among typical inflammation markers, inflammatory cytokines, and immune cell signatures that may potentially linked to IgAN risk by MR analysis. This insight may advance our understanding of the etiology of IgAN and support the development of targeted therapeutic strategies.
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Affiliation(s)
- Yi Ren
- Institute of Microcirculation, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China; Department of Pathology and Pathophysiology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Honggang Zhang
- Institute of Microcirculation, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; International Center of Microvascular Medicine, Chinese Academy of Medical Sciences, Beijing, China; Department of Pathology and Pathophysiology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
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Tyler CJ, Hoti I, Griffiths DD, Cuff SM, Andrews R, Keisker M, Ahmed R, Hansen HP, Lindsay JO, Stagg AJ, Moser B, McCarthy NE, Eberl M. IL-21 conditions antigen-presenting human γδ T-cells to promote IL-10 expression in naïve and memory CD4 + T-cells. DISCOVERY IMMUNOLOGY 2024; 3:kyae008. [PMID: 38903247 PMCID: PMC11187773 DOI: 10.1093/discim/kyae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 03/30/2024] [Accepted: 05/09/2024] [Indexed: 06/22/2024]
Abstract
Direct interaction between T-cells exerts a major influence on tissue immunity and inflammation across multiple body sites including the human gut, which is highly enriched in 'unconventional' lymphocytes such as γδ T-cells. We previously reported that microbial activation of human Vγ9/Vδ2+ γδ T-cells in the presence of the mucosal damage-associated cytokine IL-15 confers the ability to promote epithelial barrier defence, specifically via induction of IL-22 expression in conventional CD4+ T-cells. In the current report, we assessed whether other cytokines enriched in the gut milieu also functionally influence microbe-responsive Vγ9/Vδ2 T-cells. When cultured in the presence of IL-21, Vγ9/Vδ2 T-cells acquired the ability to induce expression of the immunoregulatory cytokine IL-10 in both naïve and memory CD4+ T-cells, at levels surpassing those induced by monocytes or monocyte-derived DCs. These findings identify an unexpected influence of IL-21 on Vγ9/Vδ2 T-cell modulation of CD4+ T-cell responses. Further analyses suggested a possible role for CD30L and/or CD40L reverse signalling in mediating IL-10 induction by IL-21 conditioned Vγ9/Vδ2 T-cells. Our findings indicate that the local microenvironment exerts a profound influence on Vγ9/Vδ2 T-cell responses to microbial challenge, leading to induction of distinct functional profiles among CD4+ T-cells that may influence inflammatory events at mucosal surfaces. Targeting these novel pathways may offer therapeutic benefit in disorders such as inflammatory bowel disease.
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Affiliation(s)
- Christopher J Tyler
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Inva Hoti
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Daniel D Griffiths
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Simone M Cuff
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Robert Andrews
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
| | - Maximilian Keisker
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Raya Ahmed
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | - Hinrich P Hansen
- Department of Internal Medicine I, University of Cologne, Cologne, Germany
| | - James O Lindsay
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Department of Gastroenterology, The Royal London Hospital, Barts Health NHS Trust, London, UK
| | - Andrew J Stagg
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Bernhard Moser
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
| | - Neil E McCarthy
- Centre for Immunobiology, The Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Matthias Eberl
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
- Systems Immunity Research Institute, Cardiff University, Cardiff, UK
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Yuan S, Wang C, Zeng Y, Li J, Li W, He Z, Ye J, Li F, Chen Y, Lin X, Xu Y, Yu N, Cai X. Aberrant phenotypes of circulating γδ-T cells may be involved in the onset of systemic lupus erythematosus. Lupus 2024; 33:587-597. [PMID: 38506324 DOI: 10.1177/09612033241240864] [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] [Indexed: 03/21/2024]
Abstract
OBJECTIVE Human gamma-delta T cells (γδ-T cells) play crucial roles in both innate and adaptive immune responses. However, much less is known about the immune status of γδT cells in systemic lupus erythematosus (SLE) patients. The objective of this study was to explore potential relationships between the frequency of γδ-T-cell subpopulations and disease activity, autoantibody titres and renal involvement in patients with SLE. METHODS Circulating γδ-T cells and their subsets (Vδ1+ T cells, Vδ2+ T cells and γδ-T-cell subpopulations defined by expression of surface receptors, including NKG2D, NKp30, NKp46 and PD-1), were identified via flow cytometry. Sixty active SLE patients were selected, including 41 new-onset and 19 relapsing cases. One hundred healthy controls (HCs) were enrolled as the control group. Percentages of these cell subsets in SLE patients and HCs and their relationships with disease activity were analysed. Twenty-two of the 41 new-onset SLE patients were assessed before and after treatment. Changes in the frequencies of these cell subsets and their relationships with renal involvement were also analysed. RESULTS Compared with that in HCs, the percentage of total γδ-T cells among CD3+ T cells in SLE patients was significantly lower. An imbalance in the proportions of Vδ1+ and Vδ2+ T cells among γδ-T cells was observed. The proportion of Vδ1+ T cells among γδ-T cells was significantly greater in SLE patients than in HCs, while the proportion of Vδ2+ T cells was significantly lower. Expression levels of PD-1, NKG2D, NKp30 and NKp46 in Vδ1+ T cells and Vδ2+ T cells from SLE patients were generally significantly increased, except for expression of NKG2D in Vδ2+ T cells. Moreover, Vδ2+ T cells, Vδ1+ T cells and Vδ1+PD-1+ T cells were associated with disease activity, and an increase in Vδ2+ T-cell frequency and a decrease in PD-1 expression by γδ-T cells might be associated with effective treatment. Interestingly, our results indicated that Vδ2+ T cells and their Vδ2+NKp30+ T-cell subpopulation might be associated with renal involvement in SLE. CONCLUSION A broad range of anomalies in the proportions of γδ-T-cell subsets and γδ-T cells in SLE patients may be involved in the pathogenesis of SLE. There is a strong association between Vδ2+ T cells and their Vδ2+NKp30+ T-cell subpopulation and LN occurrence. Our results indicate that γδ-T cells and their subpopulations might be key players in disease immunopathology and renal involvement in SLE.
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Affiliation(s)
- Shiwen Yuan
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Cuicui Wang
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yanting Zeng
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Jiawei Li
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, China
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China
| | - Weinian Li
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Zhixiang He
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Jinghua Ye
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Fangfei Li
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yi Chen
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Xiaojun Lin
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Yan Xu
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai, China
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou, China
| | - Na Yu
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xiaoyan Cai
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
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Peng QY, An Y, Jiang ZZ, Xu Y. The Role of Immune Cells in DKD: Mechanisms and Targeted Therapies. J Inflamm Res 2024; 17:2103-2118. [PMID: 38601771 PMCID: PMC11005934 DOI: 10.2147/jir.s457526] [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: 01/02/2024] [Accepted: 03/19/2024] [Indexed: 04/12/2024] Open
Abstract
Diabetic kidney disease (DKD), is a common microvascular complication and a major cause of death in patients with diabetes. Disorders of immune cells and immune cytokines can accelerate DKD development of in a number of ways. As the kidney is composed of complex and highly differentiated cells, the interactions among different cell types and immune cells play important regulatory roles in disease development. Here, we summarize the latest research into the molecular mechanisms underlying the interactions among various immune and renal cells in DKD. In addition, we discuss the most recent studies related to single cell technology and bioinformatics analysis in the field of DKD. The aims of our review were to explore immune cells as potential therapeutic targets in DKD and provide some guidance for future clinical treatments.
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Affiliation(s)
- Qiu-Yue Peng
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Sichuan, People’s Republic of China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, People’s Republic of China
| | - Ying An
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Sichuan, People’s Republic of China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, People’s Republic of China
| | - Zong-Zhe Jiang
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Sichuan, People’s Republic of China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, People’s Republic of China
| | - Yong Xu
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Metabolic Vascular Disease Key Laboratory of Sichuan Province, Sichuan, People’s Republic of China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, People’s Republic of China
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Al-Talib M, Dimonte S, Humphreys IR. Mucosal T-cell responses to chronic viral infections: Implications for vaccine design. Cell Mol Immunol 2024:10.1038/s41423-024-01140-2. [PMID: 38459243 DOI: 10.1038/s41423-024-01140-2] [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: 10/26/2023] [Accepted: 01/31/2024] [Indexed: 03/10/2024] Open
Abstract
Mucosal surfaces that line the respiratory, gastrointestinal and genitourinary tracts are the major interfaces between the immune system and the environment. Their unique immunological landscape is characterized by the necessity of balancing tolerance to commensal microorganisms and other innocuous exposures against protection from pathogenic threats such as viruses. Numerous pathogenic viruses, including herpesviruses and retroviruses, exploit this environment to establish chronic infection. Effector and regulatory T-cell populations, including effector and resident memory T cells, play instrumental roles in mediating the transition from acute to chronic infection, where a degree of viral replication is tolerated to minimize immunopathology. Persistent antigen exposure during chronic viral infection leads to the evolution and divergence of these responses. In this review, we discuss advances in the understanding of mucosal T-cell immunity during chronic viral infections and how features of T-cell responses develop in different chronic viral infections of the mucosa. We consider how insights into T-cell immunity at mucosal surfaces could inform vaccine strategies: not only to protect hosts from chronic viral infections but also to exploit viruses that can persist within mucosal surfaces as vaccine vectors.
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Affiliation(s)
- Mohammed Al-Talib
- Systems Immunity University Research Institute/Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
- Bristol Medical School, University of Bristol, 5 Tyndall Avenue, Bristol, BS8 1UD, UK
| | - Sandra Dimonte
- Systems Immunity University Research Institute/Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK
| | - Ian R Humphreys
- Systems Immunity University Research Institute/Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, CF14 4XN, UK.
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Pathak VK, Singh I, Sharma B, Turankar RP, Arora M, Singh SV, Sengupta U. Unveiling the role of NK cells, NKT-like cells, and γδ cells in pathogenesis of type 1 reactions in leprosy. Heliyon 2024; 10:e25254. [PMID: 38327455 PMCID: PMC10847912 DOI: 10.1016/j.heliyon.2024.e25254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 02/09/2024] Open
Abstract
Leprosy is a disease with spectral clinical manifestations along with two types of reactions, type 1 reaction (T1R) and type 2 reaction (T2R). T1R especially occurs because of the defensive upgradation of cell-mediated immunity (CMI) to M. leprae antigens. T1R is the main cause of disability in leprosy. The role of conventional adaptive T cells has been well studied to understand T1R. A comprehensive understanding of the role of unconventional T cells in the manifestation of inflammation during T1R is crucial and has not been studied. In our study, we found significantly higher plasma levels of TNFα, IL1β, IL17, and IP10 in T1R when compared to non-reaction (NR). Gene expression for cytokines in blood circulation by qPCR showed significantly higher expression of IFNγ, IP10, TNFα, IL6, IL17A and chemokines CCL3, CCR1, CCR5, and CXCR3 in T1R as compared to NR. Frequencies of NKT-like cells (48.7 %) and NK cells (22.3 %) were found significantly higher in T1R in comparison to NR (36.9 %, 18.3 %, respectively) (p = 0.0001). Significantly lower levels of γδT cells (3.32 %) were observed in T1R in comparison to NR (5.16 %). The present study has provided evidence for the first time on the role of plausible unconventional T cells in the immunopathogenesis of T1R in leprosy.
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Affiliation(s)
- Vinay Kumar Pathak
- Stanley Browne Laboratory, TLM Community Hospital, Nand Nagari, Delhi, India
- Department of Biotechnology, GLA University, Mathura, UP, India
| | - Itu Singh
- Stanley Browne Laboratory, TLM Community Hospital, Nand Nagari, Delhi, India
| | - Bhawna Sharma
- Department of Immunology, National JALMA Institute for Leprosy and Other Mycobacterial Diseases (ICMR), Tajganj, Agra, India
| | | | - Mamta Arora
- Clinical Division, National JALMA Institute for Leprosy and Other Mycobacterial Diseases (ICMR), Tajganj, Agra, India
| | - Shoor Vir Singh
- Department of Biotechnology, GLA University, Mathura, UP, India
| | - Utpal Sengupta
- Stanley Browne Laboratory, TLM Community Hospital, Nand Nagari, Delhi, India
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Ma K, Luo L, Yang M, Meng Y. The suppression of sepsis-induced kidney injury via the knockout of T lymphocytes. Heliyon 2024; 10:e23311. [PMID: 38283245 PMCID: PMC10818183 DOI: 10.1016/j.heliyon.2023.e23311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/23/2023] [Accepted: 11/30/2023] [Indexed: 01/30/2024] Open
Abstract
Patients with sepsis always have a high mortality rate, and acute kidney injury (AKI) is the main cause of death. It seems obvious that the immune response is involved in this process, but the specific mechanism is unknown, especially the pathogenic role of T cells and B cells needs to be further clarified. Acute kidney injury models induced by lipopolysaccharide were established using T-cell, B-cell, and T&B cell knockout mice to elucidate the role of immune cells in sepsis. Flow cytometry was used to validate the mouse models, and the pathology can confirm renal tubular injury. LPS-induced sepsis caused significant renal pathological damage, Second-generation gene sequencing showed T cells-associated pathway was enriched in sepsis. The renal tubular injury was significantly reduced in T cell and T&B cell knockout mice (BALB/c-nu, Rag1-/-), especially in BALB/c-nu mice, with a decrease in the secretion of inflammatory cytokines in the renal tissue after LPS injection. LPS injection did not produce the same effect after the knockout of B cells. We found that blocking T cells could alleviate inflammation and renal injury caused by sepsis, providing a promising strategy for controlling renal injury.
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Affiliation(s)
- Ke Ma
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, China
| | - Liang Luo
- The Biomedical Translational Research Institute, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control (Jinan University), Guangzhou Key Laboratory for Germ-free Animals and Microbiota Application, School of Medicine, Jinan University, Guangzhou, 510632, China
| | - Meixiang Yang
- The Biomedical Translational Research Institute, Key Laboratory of Ministry of Education for Viral Pathogenesis & Infection Prevention and Control (Jinan University), Guangzhou Key Laboratory for Germ-free Animals and Microbiota Application, School of Medicine, Jinan University, Guangzhou, 510632, China
- The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Jinan University, Heyuan, 517000, China
| | - Yu Meng
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou, 510000, China
- Department of Nephrology, The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Heyuan, 517000, China
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Zhao Q, Ma J, Xiao J, Feng Z, Liu H. Data driven analysis reveals prognostic genes and immunological targets in human sepsis-associated acute kidney injury. World J Emerg Med 2024; 15:91-97. [PMID: 38476535 PMCID: PMC10925525 DOI: 10.5847/wjem.j.1920-8642.2024.026] [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: 05/29/2023] [Accepted: 11/20/2023] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND The molecular mechanism of sepsis-associated acute kidney injury (SA-AKI) is unclear. We analyzed co-differentially expressed genes (co-DEGs) to elucidate the underlying mechanism and intervention targets of SA-AKI. METHODS The microarray datasets GSE65682, GSE30718, and GSE174220 were downloaded from the Gene Expression Omnibus (GEO) database. We identified the co-DEGs and constructed a gene co-expression network to screen the hub genes. We analyzed immune correlations and disease correlations and performed functional annotation of the hub genes. We also performed single-cell and microenvironment analyses and investigated the enrichment pathways and the main transcription factors. Finally, we conducted a correlation analysis to evaluate the role of the hub genes. RESULTS Interleukin 32 (IL32) was identified as the hub gene in SA-AKI, and the main enriched signaling pathways were associated with hemopoiesis, cellular response to cytokine stimulus, inflammatory response, and regulation of kidney development. Additionally, IL32 was significantly associated with mortality in SA-AKI patients. Monocytes, macrophages, T cells, and NK cells were closely related to IL32 and were involved in the immune microenvironment in SA-AKI patients. IL32 expression increased significantly in the kidney of septic mouse. Toll-like receptor 2 (TLR2) was significantly and negatively correlated with IL32. CONCLUSION IL32 is the key gene involved in SA-AKI and is significantly associated with prognosis. TLR2 and relevant immune cells are closely related to key genes.
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Affiliation(s)
- Qing Zhao
- Department of Diagnosis and Treatment of Cadres, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Jinfu Ma
- Intensive Care Unit, the 305th Hospital of Chinese PLA, Beijing 100032, China
| | - Jianguo Xiao
- Department of Critical Care Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Zhe Feng
- Nephrology Department, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Hui Liu
- Department of Critical Care Medicine, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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Deng S, Zhou F, Wang F, Jiang Y, Tang J, Hu X, Luo L, Jin Y, Huang L, Sun D, Xiao G, Feng J, Li X. C5a enhances Vδ1 T cells recruitment via the CCL2-CCR2 axis in IgA nephropathy. Int Immunopharmacol 2023; 125:111065. [PMID: 37862725 DOI: 10.1016/j.intimp.2023.111065] [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: 07/21/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/22/2023]
Abstract
BACKGROUND Mucosal immune-associated γδ T cells have been implicated in IgA nephropathy (IgAN). However, the involvement of Vδ1 T cells, the major γδ T cells subtype, in renal damage and the mechanism underlying their migration from peripheral blood to kidney in IgAN remain unclear. METHODS Clinical data from IgAN patients and healthy controls (HC) were analyzed. Phenotypes and chemokine receptors of γδ T cell were compared between IgAN patients and HC. Immunohistochemistry and immunofluorescence were performed to assess the infiltration of γδ T cell subsets and the expression of chemokine in renal tissues. In vitro, C5a was used to stimulate the human glomerular mesangial cells (HMCs) and chemotaxis experiment was used to examine Vδ1 T cells migration. Correlation between Vδ1 T cells and related clinical indicators were analyzed. RESULTS IgAN patients exhibited decreased Vδ1 T cell in blood but increased levels in kidneys compared to HC. Increased CCR2-expressing Vδ1 T cells and serum level of CCL2 were observed in IgAN patients. CCL2 co-localized with CCR2 in HMCs of IgAN. In vitro, C5a enhanced Vδ1 T cells recruitment by HMCs through CCL2-CCR2 axis. Importantly, circulating Vδ1 T cell levels showed a negatively correlated with both the urinary protein creatinine ratio (UACR) and 24-hour urine protein (UP). Moreover, kidney infiltration of Vδ1 cells positively correlated with UACR, UP, mesangial hyperplasia and renal tubule atrophy/interstitial fibrosis in IgAN. CONCLUSIONS C5a-induced production of CCL2 by HMCs facilitates Vδ1 T cells recruitment via the CCL2-CCR2 axis, contributing to renal damage in IgAN.
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Affiliation(s)
- Shuanglinzi Deng
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fangyu Zhou
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fangyuan Wang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yuanyuan Jiang
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiale Tang
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xinyue Hu
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Liying Luo
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yanli Jin
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lingyu Huang
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Danni Sun
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Gong Xiao
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Juntao Feng
- Department of Respiratory Medicine, National Key Clinical Specialty, Branch of National Clinical Research Center for Respiratory Disease, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xiaozhao Li
- Department of Nephrology, Xiangya Hospital, Central South University, Changsha, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China..
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10
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Hullegie-Peelen DM, Tejeda Mora H, Hesselink DA, Bindels EM, van den Bosch TP, Clahsen-van Groningen MC, Dieterich M, Heidt S, Minnee RC, Verjans GM, Hoogduijn MJ, Baan CC. Virus-specific TRM cells of both donor and recipient origin reside in human kidney transplants. JCI Insight 2023; 8:e172681. [PMID: 37751288 PMCID: PMC10721264 DOI: 10.1172/jci.insight.172681] [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: 05/31/2023] [Accepted: 09/13/2023] [Indexed: 09/27/2023] Open
Abstract
Tissue-resident lymphocytes (TRLs) are critical for local protection against viral pathogens in peripheral tissue. However, it is unclear if TRLs perform a similar role in transplanted organs under chronic immunosuppressed conditions. In this study, we aimed to characterize the TRL compartment in human kidney transplant nephrectomies and examine its potential role in antiviral immunity. The TRL compartment of kidney transplants contained diverse innate, innate-like, and adaptive TRL populations expressing the canonical residency markers CD69, CD103, and CD49a. Chimerism of donor and recipient cells was present in 43% of kidney transplants and occurred in all TRL subpopulations. Paired single-cell transcriptome and T cell receptor (TCR) sequencing showed that donor and recipient tissue-resident memory T (TRM) cells exhibit striking similarities in their transcriptomic profiles and share numerous TCR clonotypes predicted to target viral pathogens. Virus dextramer staining further confirmed that CD8 TRM cells of both donor and recipient origin express TCRs with specificities against common viruses, including CMV, EBV, BK polyomavirus, and influenza A. Overall, the study results demonstrate that a diverse population of TRLs resides in kidney transplants and offer compelling evidence that TRM cells of both donor and recipient origin reside within this TRL population and may contribute to local protection against viral pathogens.
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Affiliation(s)
- Daphne M. Hullegie-Peelen
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
| | - Hector Tejeda Mora
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
| | - Dennis A. Hesselink
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
| | | | - Thierry P.P. van den Bosch
- Department of Pathology, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Marian C. Clahsen-van Groningen
- Department of Pathology, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
- Institute of Experimental Medicine and Systems Biology, Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen University, Aachen, Germany
| | - Marjolein Dieterich
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
| | - Sebastiaan Heidt
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Robert C. Minnee
- Department of Surgery, Division of Hepatopancreatobiliary and Transplant Surgery, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Georges M.G.M. Verjans
- HerpeslabNL of the Department of Viroscience, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Martin J. Hoogduijn
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
| | - Carla C. Baan
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus University Medical Center (Erasmus MC) Transplant Institute
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11
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Lv M, Zhang Z, Cui Y. Unconventional T cells in brain homeostasis, injury and neurodegeneration. Front Immunol 2023; 14:1273459. [PMID: 37854609 PMCID: PMC10579804 DOI: 10.3389/fimmu.2023.1273459] [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] [Received: 08/06/2023] [Accepted: 09/20/2023] [Indexed: 10/20/2023] Open
Abstract
The interaction between peripheral immune cells and the brain is an important component of the neuroimmune axis. Unconventional T cells, which include natural killer T (NKT) cells, mucosal-associated invariant T (MAIT) cells, γδ T cells, and other poorly defined subsets, are a special group of T lymphocytes that recognize a wide range of nonpolymorphic ligands and are the connection between adaptive and innate immunity. Recently, an increasing number of complex functions of these unconventional T cells in brain homeostasis and various brain disorders have been revealed. In this review, we describe the classification and effector function of unconventional T cells, review the evidence for the involvement of unconventional T cells in the regulation of brain homeostasis, summarize the roles and mechanisms of unconventional T cells in the regulation of brain injury and neurodegeneration, and discuss immunotherapeutic potential as well as future research goals. Insight of these processes can shed light on the regulation of T cell immunity on brain homeostasis and diseases and provide new clues for therapeutic approaches targeting brain injury and neurodegeneration.
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Affiliation(s)
- Mengfei Lv
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, Shandong, China
- Qingdao Medical College, Qingdao University, Qingdao, China
| | - Zhaolong Zhang
- Department of Interventional Radiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yu Cui
- Institute of Neuroregeneration and Neurorehabilitation, Qingdao University, Qingdao, Shandong, China
- Qingdao Medical College, Qingdao University, Qingdao, China
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12
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Kurioka A, Klenerman P. Aging unconventionally: γδ T cells, iNKT cells, and MAIT cells in aging. Semin Immunol 2023; 69:101816. [PMID: 37536148 PMCID: PMC10804939 DOI: 10.1016/j.smim.2023.101816] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 08/05/2023]
Abstract
Unconventional T cells include γδ T cells, invariant Natural Killer T cells (iNKT) cells and Mucosal Associated Invariant T (MAIT) cells, which are distinguished from conventional T cells by their recognition of non-peptide ligands presented by non-polymorphic antigen presenting molecules and rapid effector functions that are pre-programmed during their development. Here we review current knowledge of the effect of age on unconventional T cells, from early life to old age, in both mice and humans. We then discuss the role of unconventional T cells in age-associated diseases and infections, highlighting the similarities between members of the unconventional T cell family in the context of aging.
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Affiliation(s)
- Ayako Kurioka
- Nuffield Department of Medicine, University of Oxford, Oxford, UK.
| | - Paul Klenerman
- Nuffield Department of Medicine, University of Oxford, Oxford, UK; Translational Gastroenterology Unit, University of Oxford, Oxford, UK
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13
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Qu L, Jiao B. The Interplay between Immune and Metabolic Pathways in Kidney Disease. Cells 2023; 12:1584. [PMID: 37371054 DOI: 10.3390/cells12121584] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Kidney disease is a significant health problem worldwide, affecting an estimated 10% of the global population. Kidney disease encompasses a diverse group of disorders that vary in their underlying pathophysiology, clinical presentation, and outcomes. These disorders include acute kidney injury (AKI), chronic kidney disease (CKD), glomerulonephritis, nephrotic syndrome, polycystic kidney disease, diabetic kidney disease, and many others. Despite their distinct etiologies, these disorders share a common feature of immune system dysregulation and metabolic disturbances. The immune system and metabolic pathways are intimately connected and interact to modulate the pathogenesis of kidney diseases. The dysregulation of immune responses in kidney diseases includes a complex interplay between various immune cell types, including resident and infiltrating immune cells, cytokines, chemokines, and complement factors. These immune factors can trigger and perpetuate kidney inflammation, causing renal tissue injury and progressive fibrosis. In addition, metabolic pathways play critical roles in the pathogenesis of kidney diseases, including glucose and lipid metabolism, oxidative stress, mitochondrial dysfunction, and altered nutrient sensing. Dysregulation of these metabolic pathways contributes to the progression of kidney disease by inducing renal tubular injury, apoptosis, and fibrosis. Recent studies have provided insights into the intricate interplay between immune and metabolic pathways in kidney diseases, revealing novel therapeutic targets for the prevention and treatment of kidney diseases. Potential therapeutic strategies include modulating immune responses through targeting key immune factors or inhibiting pro-inflammatory signaling pathways, improving mitochondrial function, and targeting nutrient-sensing pathways, such as mTOR, AMPK, and SIRT1. This review highlights the importance of the interplay between immune and metabolic pathways in kidney diseases and the potential therapeutic implications of targeting these pathways.
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Affiliation(s)
- Lili Qu
- Division of Nephrology, Department of Medicine, School of Medicine, University of Connecticut Health Center, Farmington, CT 06030-1405, USA
| | - Baihai Jiao
- Department of Immunology, School of Medicine, University of Connecticut Health Center, Farmington, CT 06030-1405, USA
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14
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Ma K, Zheng ZR, Meng Y. Natural Killer Cells, as the Rising Point in Tissues, Are Forgotten in the Kidney. Biomolecules 2023; 13:biom13050748. [PMID: 37238618 DOI: 10.3390/biom13050748] [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: 03/03/2023] [Revised: 04/13/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Natural killer (NK) cells are members of a rapidly expanding family of innate lymphoid cells (ILCs). NK cells play roles in the spleen, periphery, and in many tissues, such as the liver, uterine, lung, adipose, and so on. While the immunological functions of NK cells are well established in these organs, comparatively little is known about NK cells in the kidney. Our understanding of NK cells is rapidly rising, with more and more studies highlighting the functional significance of NK cells in different types of kidney diseases. Recent progress has been made in translating these findings to clinical diseases that occur in the kidney, with indications of subset-specific roles of NK cells in the kidney. For the development of targeted therapeutics to delay kidney disease progression, a better understanding of the NK cell with respect to the mechanisms of kidney diseases is necessary. In order to promote the targeted treatment ability of NK cells in clinical diseases, in this paper we demonstrate the roles that NK cells play in different organs, especially the functions of NK cells in the kidney.
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Affiliation(s)
- Ke Ma
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
| | - Zi-Run Zheng
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
| | - Yu Meng
- Department of Nephrology, The First Affiliated Hospital of Jinan University, Guangzhou 510000, China
- Department of Nephrology, The Fifth Affiliated Hospital of Jinan University, Heyuan 570000, China
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15
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Sun S, Chen R, Dou X, Dai M, Long J, Wu Y, Lin Y. Immunoregulatory mechanism of acute kidney injury in sepsis: A Narrative Review. Biomed Pharmacother 2023; 159:114202. [PMID: 36621143 DOI: 10.1016/j.biopha.2022.114202] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/17/2022] [Accepted: 12/30/2022] [Indexed: 01/08/2023] Open
Abstract
Sepsis acute kidney injury (SAKI) is a common complication of sepsis, accounting for 26-50 % of all acute kidney injury (AKI). AKI is an independent risk factor for increased mortality risk in patients with sepsis. The excessive inflammatory cascade reaction in SAKI is one of the main causes of kidney damage. Both the innate immune system and the adaptive immune system are involved in the inflammation process of SAKI. Under the action of endotoxin, neutrophils, monocytes, macrophages, T cells and other complex immune network reactions occur, and a large number of endogenous inflammatory mediators are released, resulting in the amplification and loss of control of the inflammatory response. The study of immune cells in SAKI will help improve the understanding of the immune mechanisms of SAKI, and will lay a foundation for the development of new diagnostic and therapeutic targets. This article reviews the role of known immune mechanisms in the occurrence and development of SAKI, with a view to finding new targets for SAKI treatment.
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Affiliation(s)
- Shujun Sun
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Rui Chen
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoke Dou
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Maosha Dai
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Junhao Long
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yan Wu
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yun Lin
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Anesthesia and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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16
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Wu Y, Yuan M, Wang C, Chen Y, Zhang Y, Zhang J. T lymphocyte cell: A pivotal player in lung cancer. Front Immunol 2023; 14:1102778. [PMID: 36776832 PMCID: PMC9911803 DOI: 10.3389/fimmu.2023.1102778] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/11/2023] [Indexed: 01/28/2023] Open
Abstract
Lung cancer is responsible for the leading cause of cancer-related death worldwide, which lacks effective therapies. In recent years, accumulating evidence on the understanding of the antitumor activity of the immune system has demonstrated that immunotherapy is one of the powerful alternatives in lung cancer therapy. T cells are the core of cellular immunotherapy, which are critical for tumorigenesis and the treatment of lung cancer. Based on the different expressions of surface molecules and functional points, T cells can be subdivided into regulatory T cells, T helper cells, cytotoxic T lymphocytes, and other unconventional T cells, including γδ T cells, nature killer T cells and mucosal-associated invariant T cells. Advances in our understanding of T cells' functional mechanism will lead to a number of clinical trials on the discovery and development of new treatment strategies. Thus, we summarize the biological functions and regulations of T cells on tumorigenesis, progression, metastasis, and prognosis in lung cancer. Furthermore, we discuss the current advancements of technologies and potentials of T-cell-oriented therapeutic targets for lung cancer.
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Affiliation(s)
- Yanan Wu
- Department of Oncology, Shandong First Medical University, Jinan, China.,Department of Oncology, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
| | - Meng Yuan
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Chenlin Wang
- School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Yanfei Chen
- Department of Oncology, Shandong First Medical University, Jinan, China.,Department of Oncology, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
| | - Yan Zhang
- Medical Integration and Practice Center, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jiandong Zhang
- Department of Oncology, the First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, Shandong, China
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17
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Liu Y, Lv Y, Zhang T, Huang T, Lang Y, Sheng Q, Liu Y, Kong Z, Gao Y, Lu S, Yang M, Luan Y, Wang X, Lv Z. T cells and their products in diabetic kidney disease. Front Immunol 2023; 14:1084448. [PMID: 36776877 PMCID: PMC9909022 DOI: 10.3389/fimmu.2023.1084448] [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: 10/30/2022] [Accepted: 01/02/2023] [Indexed: 01/27/2023] Open
Abstract
Diabetic kidney disease (DKD) is the most common cause of end-stage renal disease and has gradually become a public health problem worldwide. DKD is increasingly recognized as a comprehensive inflammatory disease that is largely regulated by T cells. Given the pivotal role of T cells and T cells-producing cytokines in DKD, we summarized recent advances concerning T cells in the progression of type 2 diabetic nephropathy and provided a novel perspective of immune-related factors in diabetes. Specific emphasis is placed on the classification of T cells, process of T cell recruitment, function of T cells in the development of diabetic kidney damage, and potential treatments and therapeutic strategies involving T cells.
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Affiliation(s)
- Yue Liu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yaodong Lv
- Department of Neurology, Yantai Yuhuangding Hospital, Shandong University, Yantai, China
| | - Tingwei Zhang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tongtong Huang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yating Lang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Qinghao Sheng
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yingxiao Liu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhijuan Kong
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Ying Gao
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shangwei Lu
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Meilin Yang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yaqi Luan
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xining Wang
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhimei Lv
- Department of Nephrology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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18
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Rosati E, Rios Martini G, Pogorelyy MV, Minervina AA, Degenhardt F, Wendorff M, Sari S, Mayr G, Fazio A, Dowds CM, Hauser C, Tran F, von Schönfels W, Pochhammer J, Salnikova MA, Jaeckel C, Gigla JB, Sabet SS, Hübenthal M, Schiminsky E, Schreiber S, Rosenstiel PC, Scheffold A, Thomas PG, Lieb W, Bokemeyer B, Witte M, Aden K, Hendricks A, Schafmayer C, Egberts JH, Mamedov IZ, Bacher P, Franke A. A novel unconventional T cell population enriched in Crohn's disease. Gut 2022; 71:2194-2204. [PMID: 35264446 PMCID: PMC9554086 DOI: 10.1136/gutjnl-2021-325373] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 02/22/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE One of the current hypotheses to explain the proinflammatory immune response in IBD is a dysregulated T cell reaction to yet unknown intestinal antigens. As such, it may be possible to identify disease-associated T cell clonotypes by analysing the peripheral and intestinal T-cell receptor (TCR) repertoire of patients with IBD and controls. DESIGN We performed bulk TCR repertoire profiling of both the TCR alpha and beta chains using high-throughput sequencing in peripheral blood samples of a total of 244 patients with IBD and healthy controls as well as from matched blood and intestinal tissue of 59 patients with IBD and disease controls. We further characterised specific T cell clonotypes via single-cell RNAseq. RESULTS We identified a group of clonotypes, characterised by semi-invariant TCR alpha chains, to be significantly enriched in the blood of patients with Crohn's disease (CD) and particularly expanded in the CD8+ T cell population. Single-cell RNAseq data showed an innate-like phenotype of these cells, with a comparable gene expression to unconventional T cells such as mucosal associated invariant T and natural killer T (NKT) cells, but with distinct TCRs. CONCLUSIONS We identified and characterised a subpopulation of unconventional Crohn-associated invariant T (CAIT) cells. Multiple evidence suggests these cells to be part of the NKT type II population. The potential implications of this population for CD or a subset thereof remain to be elucidated, and the immunophenotype and antigen reactivity of CAIT cells need further investigations in future studies.
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Affiliation(s)
- Elisa Rosati
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany .,Institute of Immunology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Gabriela Rios Martini
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany,Institute of Immunology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Mikhail V Pogorelyy
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation,Department of Immunology, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Anastasia A Minervina
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation,Department of Immunology, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Frauke Degenhardt
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Mareike Wendorff
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Soner Sari
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Gabriele Mayr
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Antonella Fazio
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Christel Marie Dowds
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Charlotte Hauser
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Florian Tran
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany,Department of Internal Medicine I, Universitätsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Witigo von Schönfels
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Julius Pochhammer
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Maria A Salnikova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
| | - Charlot Jaeckel
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Johannes Boy Gigla
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Sanaz Sedghpour Sabet
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Matthias Hübenthal
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany,Department of Dermatology, University Hospital Schleswig Holstein, Kiel, Schleswig-Holstein, Germany
| | - Esther Schiminsky
- Institute of Immunology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Stefan Schreiber
- Department of Internal Medicine I, Universitätsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Philip C Rosenstiel
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Alexander Scheffold
- Institute of Immunology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Paul G Thomas
- Department of Immunology, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Wolfgang Lieb
- Institute of Epidemiology and Biobank POPGEN, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Bernd Bokemeyer
- Interdisciplinary Crohn Colitis Centre Minden, Minden, Germany
| | - Maria Witte
- Department of General Surgery, Rostock University Medical Center, Rostock, Mecklenburg-Vorpommern, Germany
| | - Konrad Aden
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany,Department of Internal Medicine I, Universitätsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Alexander Hendricks
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany,Department of General Surgery, Rostock University Medical Center, Rostock, Mecklenburg-Vorpommern, Germany
| | - Clemens Schafmayer
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany,Department of General Surgery, Rostock University Medical Center, Rostock, Mecklenburg-Vorpommern, Germany
| | - Jan-Hendrick Egberts
- Department of Visceral and Thoracic Surgery, Universitatsklinikum Schleswig-Holstein, Kiel, Schleswig-Holstein, Germany
| | - Ilgar Z Mamedov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation,CEITEC, Masaryk University, Brno, Czech Republic,Dmitry Rogachev National Research Center of Pediatric Hematology, Moscow, Russian Federation,Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Moscow, Russian Federation
| | - Petra Bacher
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany,Institute of Immunology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
| | - Andre Franke
- Institute of Clinical Molecular Biology, Christian-Albrechts University of Kiel, Kiel, Schleswig-Holstein, Germany
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19
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Qing J, Zheng F, Zhi H, Yaigoub H, Tirichen H, Li Y, Zhao J, Qiang Y, Li Y. Identification of Unique Genetic Biomarkers of Various Subtypes of Glomerulonephritis Using Machine Learning and Deep Learning. Biomolecules 2022; 12:biom12091276. [PMID: 36139115 PMCID: PMC9496457 DOI: 10.3390/biom12091276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Objective: Identification of potential genetic biomarkers for various glomerulonephritis (GN) subtypes and discovering the molecular mechanisms of GN. (2) Methods: four microarray datasets of GN were downloaded from Gene Expression Omnibus (GEO) database and merged to obtain the gene expression profiles of eight GN subtypes. Then, differentially expressed immune-related genes (DIRGs) were identified to explore the molecular mechanisms of GN, and single-sample gene set enrichment analysis (ssGSEA) was performed to discover the abnormal inflammation in GN. In addition, a nomogram model was generated using the R package "glmnet", and the calibration curve was plotted to evaluate the predictive power of the nomogram model. Finally, deep learning (DL) based on a multilayer perceptron (MLP) network was performed to explore the characteristic genes for GN. (3) Results: we screened out 274 common up-regulated or down-regulated DIRGs in the glomeruli and tubulointerstitium. These DIRGs are mainly involved in T-cell differentiation, the RAS signaling pathway, and the MAPK signaling pathway. ssGSEA indicates that there is a significant increase in DC (dendritic cells) and macrophages, and a significant decrease in neutrophils and NKT cells in glomeruli, while monocytes and NK cells are increased in tubulointerstitium. A nomogram model was constructed to predict GN based on 7 DIRGs, and 20 DIRGs of each subtype of GN in glomeruli and tubulointerstitium were selected as characteristic genes. (4) Conclusions: this study reveals that the DIRGs are closely related to the pathogenesis of GN and could serve as genetic biomarkers in GN. DL further identified the characteristic genes that are essential to define the pathogenesis of GN and develop targeted therapies for eight GN subtypes.
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Affiliation(s)
- Jianbo Qing
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030001, China
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
| | - Fang Zheng
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030001, China
| | - Huiwen Zhi
- The Fifth Clinical Medical College, Shanxi Medical University, Taiyuan 030001, China
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
| | - Hasnaa Yaigoub
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030001, China
| | - Hasna Tirichen
- Institutes of Biomedical Sciences, Shanxi University, Taiyuan 030001, China
| | - Yaheng Li
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
- Laboratory for Molecular Diagnosis and Treatment of Kidney Disease, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
| | - Juanjuan Zhao
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030001, China
| | - Yan Qiang
- College of Information and Computer, Taiyuan University of Technology, Taiyuan 030001, China
| | - Yafeng Li
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
- Core Laboratory, Shanxi Provincial People’s Hospital (Fifth Hospital), Shanxi Medical University, Taiyuan 030001, China
- Shanxi Provincial Key Laboratory of Kidney Disease, Taiyuan 030001, China
- Academy of Microbial Ecology, Shanxi Medical University, Taiyuan 030001, China
- Correspondence:
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20
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Lingel I, Wilburn AN, Hargis J, McAlees JW, Laumonnier Y, Chougnet CA, Deshmukh H, König P, Lewkowich IP, Schmudde I. Prenatal antibiotics exposure does not influence experimental allergic asthma in mice. Front Immunol 2022; 13:937577. [PMID: 36032166 PMCID: PMC9399857 DOI: 10.3389/fimmu.2022.937577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Changes in microbiome (dysbiosis) contribute to severity of allergic asthma. Preexisting epidemiological studies in humans correlate perinatal dysbiosis with increased long-term asthma severity. However, these studies cannot discriminate between prenatal and postnatal effects of dysbiosis and suffer from a high variability of dysbiotic causes ranging from antibiotic treatment, delivery by caesarian section to early-life breastfeeding practices. Given that maternal antibiotic exposure in mice increases the risk of newborn bacterial pneumonia in offspring, we hypothesized that prenatal maternal antibiotic-induced dysbiosis induces long-term immunological effects in the offspring that also increase long-term asthma severity. Therefore, dams were exposed to antibiotics (gentamycin, ampicillin, vancomycin) from embryonic day 15 until birth. Six weeks later, asthma was induced in the offspring by repeated applications of house dust mite extract. Airway function, cytokine production, pulmonary cell composition and distribution were assessed. Our study revealed that prenatally induced dysbiosis in mice led to an increase in pulmonary Th17+ non-conventional T cells with limited functional effect on airway resistance, pro-asthmatic Th2/Th17 cytokine production, pulmonary localization and cell-cell contacts. These data indicate that dysbiosis-related immune-modulation with long-term effects on asthma development occurs to a lesser extent prenatally and will allow to focus future studies on more decisive postnatal timeframes.
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Affiliation(s)
- Imke Lingel
- Institute of Anatomy, University of Lübeck, Lübeck, Germany
- Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Lübeck, Germany
| | - Adrienne N. Wilburn
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- Immunology Graduate Program, University of Cincinnati, Cincinnati, OH, United States
| | - Julie Hargis
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Jaclyn W. McAlees
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Yves Laumonnier
- Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Lübeck, Germany
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Claire A. Chougnet
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States
| | - Hitesh Deshmukh
- Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States
- Division of Neonatology and Pulmonary Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Peter König
- Institute of Anatomy, University of Lübeck, Lübeck, Germany
- Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Lübeck, Germany
| | - Ian P. Lewkowich
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States
| | - Inken Schmudde
- Institute of Anatomy, University of Lübeck, Lübeck, Germany
- Airway Research Center North (ARCN), Member of the German Center for Lung Research (DZL), Lübeck, Germany
- *Correspondence: Inken Schmudde,
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21
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Abraham R, Durkee MS, Ai J, Veselits M, Casella G, Asano Y, Chang A, Ko K, Oshinsky C, Peninger E, Giger ML, Clark MR. Specific in situ inflammatory states associate with progression to renal failure in lupus nephritis. J Clin Invest 2022; 132:155350. [PMID: 35608910 PMCID: PMC9246394 DOI: 10.1172/jci155350] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 05/19/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND In human lupus nephritis (LN), tubulointerstitial inflammation (TII) on biopsy predicts progression to end-stage renal disease (ESRD). However, only about half of patients with moderate-to-severe TII develop ESRD. We hypothesized that this heterogeneity in outcome reflects different underlying inflammatory states. Therefore, we interrogated renal biopsies from LN longitudinal and cross-sectional cohorts. METHODS Data were acquired using conventional and highly multiplexed confocal microscopy. To accurately segment cells across whole biopsies, and to understand their spatial relationships, we developed computational pipelines by training and implementing several deep-learning models and other computer vision techniques. RESULTS High B cell densities were associated with protection from ESRD. In contrast, high densities of CD8+, γδ, and other CD4–CD8– T cells were associated with both acute renal failure and progression to ESRD. B cells were often organized into large periglomerular neighborhoods with Tfh cells, while CD4– T cells formed small neighborhoods in the tubulointerstitium, with frequency that predicted progression to ESRD. CONCLUSION These data reveal that specific in situ inflammatory states are associated with refractory and progressive renal disease. FUNDING This study was funded by the NIH Autoimmunity Centers of Excellence (AI082724), Department of Defense (LRI180083), Alliance for Lupus Research, and NIH awards (S10-OD025081, S10-RR021039, and P30-CA14599).
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Affiliation(s)
- Rebecca Abraham
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Madeleine S Durkee
- Department of Radiology, University of Chicago, Chicago, United States of America
| | - Junting Ai
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Margaret Veselits
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Gabriel Casella
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Yuta Asano
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Anthony Chang
- Department of Pathology, University of Chicago, Chicago, United States of America
| | - Kichul Ko
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Charles Oshinsky
- Division of Rheumatology, University of Washington, Seattle, United States of America
| | - Emily Peninger
- Section of Rheumatology, University of Chicago, Chicago, United States of America
| | - Maryellen L Giger
- Department of Radiology, University of Chicago, Chicago, United States of America
| | - Marcus R Clark
- Section of Rheumatology, University of Chicago, Chicago, United States of America
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22
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The Diagnostic and Predictive Significance of Immune-Related Genes and Immune Characteristics in the Occurrence and Progression of IgA Nephropathy. J Immunol Res 2022; 2022:9284204. [PMID: 35528619 PMCID: PMC9071862 DOI: 10.1155/2022/9284204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/25/2022] [Accepted: 04/04/2022] [Indexed: 11/18/2022] Open
Abstract
Objective To investigate the potential diagnostic and predictive significance of immune-related genes in IgA nephropathy (IgAN) and discover the abnormal glomerular inflammation in IgAN. Methods GSE116626 was used as a training set to identify different immune-related genes (DIRGs) and establish machine learning models for the diagnosis of IgAN; then, a nomogram model was generated based on GSE116626, and GSE115857 was used as a test set to evaluate its clinical value. Short Time-Series Expression Miner (STEM) analysis was also performed to explore the changing trend of DIRGs with the progression of IgAN lesions. GSE141344 was used with DIRGs to establish the ceRNA network associated with IgAN progression. Finally, ssGSEA analysis was performed on the GSE141295 dataset to discover the abnormal inflammation in IgAN. Results Machine learning (ML) performed excellently in diagnosing IgAN using six DIRGs. A nomogram model was constructed to predict IgAN based on the six DIRGs. Three trends related to IgAN lesions were identified using STEM analysis. A ceRNA network associated with IgAN progression which contained 8 miRNAs, 14 lncRNAs, and 3 mRNAs was established. A higher macrophage ratio and lower CD4+ T cell ratio in IgAN compared to controls were observed, and the correlation between macrophages and monocytes in the glomeruli of IgAN patients was inverse compared to controls. Conclusion This study reveals the diagnostic and predictive significance of DIRGs in IgAN and finds that the imbalance between macrophages and CD4+ immune cells may be an important pathomechanism of IgAN. These results provide potential directions for the treatment and prevention of IgAN.
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23
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Lee K, Jang HR. Role of T cells in ischemic acute kidney injury and repair. Korean J Intern Med 2022; 37:534-550. [PMID: 35508946 PMCID: PMC9082442 DOI: 10.3904/kjim.2021.526] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 01/11/2022] [Indexed: 11/27/2022] Open
Abstract
Ischemic acute kidney injury (AKI) is a common medical problem with significant mortality and morbidity, affecting a large number of patients globally. Ischemic AKI is associated with intrarenal inflammation as well as systemic inflammation; thus, the innate and adaptive immune systems are implicated in the pathogenesis of ischemic AKI. Among various intrarenal immune cells, T cells play major roles in the injury process and in the repair mechanism affecting AKI to chronic kidney disease transition. Importantly, T cells also participate in distant organ crosstalk during AKI, which affects the overall outcomes. Therefore, targeting T cell-mediated pathways and T cell-based therapies have therapeutic promise for ischemic AKI. Here, we review the major populations of kidney T cells and their roles in ischemic AKI.
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Affiliation(s)
- Kyungho Lee
- Nephrology Division, Department of Medicine, Samsung Medical Center, Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hye Ryoun Jang
- Nephrology Division, Department of Medicine, Samsung Medical Center, Samsung Biomedical Research Institute, Sungkyunkwan University School of Medicine, Seoul, Korea
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24
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Uchida T, Seki S, Oda T. Infections, Reactions of Natural Killer T Cells and Natural Killer Cells, and Kidney Injury. Int J Mol Sci 2022; 23:ijms23010479. [PMID: 35008905 PMCID: PMC8745257 DOI: 10.3390/ijms23010479] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/29/2021] [Accepted: 12/30/2021] [Indexed: 01/21/2023] Open
Abstract
Natural killer T (NKT) cells and NK cells are representative innate immune cells that perform antitumor and antimicrobial functions. The involvement of these cells in various renal diseases, including acute kidney injury (AKI), has recently become evident. Murine NKT cells are activated and cause AKI in response to various stimuli, such as their specific ligand, cytokines, and bacterial components. Both renal vascular endothelial cell injury (via the perforin-mediated pathway) and tubular epithelial cell injury (via the tumor necrosis factor-alpha/Fas ligand pathway) are independently involved in the pathogenesis of AKI. NK cells complement the functions of NKT cells, thereby contributing to the development of infection-associated AKI. Human CD56+ T cells, which are a functional counterpart of murine NKT cells, as well as a subpopulation of CD56+ NK cells, strongly damage intrinsic renal cells in vitro upon their activation, possibly through mechanisms similar to those in mice. These cells are also thought to be involved in the acute exacerbation of pre-existing glomerulonephritis triggered by infection in humans, and their roles in sepsis-associated AKI are currently under investigation. In this review, we will provide an overview of the recent advances in the understanding of the association among infections, NKT and NK cells, and kidney injury, which is much more profound than previously considered. The important role of liver macrophages in the activation of NKT cells will also be introduced.
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Affiliation(s)
- Takahiro Uchida
- Kidney Disease Center, Department of Nephrology and Blood Purification, Tokyo Medical University Hachioji Medical Center, Tokyo 193-0998, Japan;
| | - Shuhji Seki
- Department of Immunology and Microbiology, National Defense Medical College, Saitama 359-8513, Japan;
| | - Takashi Oda
- Kidney Disease Center, Department of Nephrology and Blood Purification, Tokyo Medical University Hachioji Medical Center, Tokyo 193-0998, Japan;
- Correspondence: ; Tel.: +81-42-665-5611; Fax: +81-42-665-1796
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