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Hou Y, Chen M, Bian Y, Hu Y, Chuan J, Zhong L, Zhu Y, Tong R. Insights into vaccines for elderly individuals: from the impacts of immunosenescence to delivery strategies. NPJ Vaccines 2024; 9:77. [PMID: 38600250 PMCID: PMC11006855 DOI: 10.1038/s41541-024-00874-4] [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: 11/06/2023] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
Immunosenescence increases the risk and severity of diseases in elderly individuals and leads to impaired vaccine-induced immunity. With aging of the global population and the emerging risk of epidemics, developing adjuvants and vaccines for elderly individuals to improve their immune protection is pivotal for healthy aging worldwide. Deepening our understanding of the role of immunosenescence in vaccine efficacy could accelerate research focused on optimizing vaccine delivery for elderly individuals. In this review, we analyzed the characteristics of immunosenescence at the cellular and molecular levels. Strategies to improve vaccination potency in elderly individuals are summarized, including increasing the antigen dose, preparing multivalent antigen vaccines, adding appropriate adjuvants, inhibiting chronic inflammation, and inhibiting immunosenescence. We hope that this review can provide a review of new findings with regards to the impacts of immunosenescence on vaccine-mediated protection and inspire the development of individualized vaccines for elderly individuals.
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Affiliation(s)
- Yingying Hou
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Min Chen
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yuan Bian
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Yuan Hu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Junlan Chuan
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Lei Zhong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Yuxuan Zhu
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Rongsheng Tong
- Department of Pharmacy, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
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Wadström K, Jacobsson LTH, Mohammad AJ, Warrington KJ, Matteson EL, Turesson C. Apolipoproteins and the risk of giant cell arteritis-a nested case-control study. Arthritis Res Ther 2024; 26:37. [PMID: 38281009 PMCID: PMC10821258 DOI: 10.1186/s13075-024-03273-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/19/2024] [Indexed: 01/29/2024] Open
Abstract
BACKGROUND The etiology of giant cell arteritis (GCA) and its predictors are incompletely understood. Previous studies have indicated reduced risk of future development of GCA in individuals with obesity and/or diabetes mellitus. There is limited information on blood lipids before the onset of GCA. The objective of the study was to investigate the relation between apolipoprotein levels and future diagnosis of GCA in a nested case-control analysis. METHODS Individuals who developed GCA after inclusion in a population-based health survey (the Malmö Diet Cancer Study; N = 30,447) were identified by linking the health survey database to the local patient administrative register and the national patient register. A structured review of medical records was performed. Four controls for every validated case, matched for sex, year of birth, and year of screening, were selected from the database. Anthropometric measures, self-reported physical activity, based on a comprehensive, validated questionnaire, and non-fasting blood samples had been obtained at health survey screening. Concentrations of apolipoprotein A-I (ApoA-I) and apolipoprotein B (ApoB) in stored serum were measured using an immunonephelometric assay. Potential predictors of GCA were examined in conditional logistic regression models. RESULTS There were 100 cases with a confirmed clinical diagnosis of GCA (81% female; mean age at diagnosis 73.6 years). The median time from screening to diagnosis was 12 years (range 0.3-19.1). The cases had significantly higher ApoA-I at baseline screening compared to controls (mean 168.7 vs 160.9 mg/dL, odds ratio [OR] 1.57 per standard deviation (SD); 95% confidence interval [CI] 1.18-2.10) (SD 25.5 mg/dL). ApoB levels were similar between cases and controls (mean 109.3 vs 110.4 mg/dL, OR 0.99 per SD; 95% CI 0.74-1.32) (SD 27.1 mg/dL). The ApoB/ApoA1 ratio tended to be lower in cases than in controls, but the difference did not reach significance. The association between ApoA-I and GCA development remained significant in analysis adjusted for body mass index and physical activity (OR 1.48 per SD; 95% CI 1.09-1.99). CONCLUSION Subsequent development of GCA was associated with significantly higher levels of ApoA-I. These findings suggest that a metabolic profile associated with lower risk of cardiovascular disease may predispose to GCA.
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Affiliation(s)
- Karin Wadström
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, 205 02, Sweden
- Center for Rheumatology, Academic Specialist Center, Stockholm, Region Stockholm, Sweden
| | - Lennart T H Jacobsson
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, 205 02, Sweden
- Department of Rheumatology & Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Aladdin J Mohammad
- Rheumatology, Department of Clinical Sciences, Lund, Lund University, Lund, Sweden
- Department of Rheumatology, Skåne University Hospital, Lund, Sweden
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Kenneth J Warrington
- Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Eric L Matteson
- Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Carl Turesson
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, 205 02, Sweden.
- Department of Rheumatology, Skåne University Hospital, Malmö, Sweden.
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Repas J, Peternel L, Sourij H, Pavlin M. Low glucose availability potentiates the effects of metformin on model T cell activation and exhaustion markers in vitro. Front Endocrinol (Lausanne) 2023; 14:1216193. [PMID: 38116319 PMCID: PMC10728603 DOI: 10.3389/fendo.2023.1216193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 11/07/2023] [Indexed: 12/21/2023] Open
Abstract
Modulation of immune cell metabolism is one of promising strategies to improve cancer immunotherapies. Metformin is an anti-diabetic drug with potential anti-cancer effects, ranging from normalization of blood glucose and insulin levels, direct anti-proliferative effects on cancer cells to emerging immunomodulatory effects on anti-tumor immunity. Metformin can reduce tumor hypoxia and PD-L1 expression, as well as normalize or improve T cell function and potentiate the effect of immune checkpoint inhibitors, making it a promising adjuvant to immunotherapy of tumors with poor response such as triple negative breast cancer (TNBC). However, although the effects of metformin on cancer cells are glucose-dependent, the role of glucose in modulating its effect on T cells has not been systematically studied. We thus investigated the effect of metformin as a function of glucose level on Jurkat cell and PBMC T cell models in vitro. While low metformin concentrations had little effect on T cell function, high concentration reduced proliferation and IFN-γ secretion in both models and induced a shift in T cell populations from memory to effector subsets. The PD-1/CD69 ratio was improved by high metformin in T cells from PBMC. Low glucose and metformin synergistically reduced PD-1 and CD69 expression and IFN-γ secretion in T cells from PBMC. Low glucose level itself suppressed Jurkat cell function due to their limited metabolic plasticity, but had limited effects on T cells from PBMC apart from reduced proliferation. Conversely, high glucose did not strongly affect either T cell model. Metformin in combination with glycolysis inhibitor 2-deoxy-D-glucose (2DG) reduced PD-1 in Jurkat cells, but also strongly suppressed their function. However, low, physiologically achievable 2DG concentration itself reduced PD-1 while mostly maintaining IL-2 secretion and, interestingly, even strongly increased IFN-γ secretion regardless of glucose level. Overall, glucose metabolism can importantly influence some of the effects of metformin on T cell functionality in the tumor microenvironment. Additionally, we show that 2DG could potentially improve the anti-tumor T cell response.
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Affiliation(s)
- Jernej Repas
- Institute of Biophysics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Lea Peternel
- Institute of Biophysics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Harald Sourij
- Trials Unit for Interdisciplinary Metabolic Medicine, Division of Endocrinology and Diabetology, Medical University Graz, Graz, Austria
| | - Mojca Pavlin
- Institute of Biophysics, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
- Group for Nano- and Biotechnological Applications, Faculty of Electrical Engineering, University of Ljubljana, Ljubljana, Slovenia
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4
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Zheng Y, Liu Q, Goronzy JJ, Weyand CM. Immune aging - A mechanism in autoimmune disease. Semin Immunol 2023; 69:101814. [PMID: 37542986 PMCID: PMC10663095 DOI: 10.1016/j.smim.2023.101814] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/20/2023] [Indexed: 08/07/2023]
Abstract
Evidence is emerging that the process of immune aging is a mechanism leading to autoimmunity. Over lifetime, the immune system adapts to profound changes in hematopoiesis and lymphogenesis, and progressively restructures in face of an ever-expanding exposome. Older adults fail to generate adequate immune responses against microbial infections and tumors, but accumulate aged T cells, B cells and myeloid cells. Age-associated B cells are highly efficient in autoantibody production. T-cell aging promotes the accrual of end-differentiated effector T cells with potent cytotoxic and pro-inflammatory abilities and myeloid cell aging supports a low grade, sterile and chronic inflammatory state (inflammaging). In pre-disposed individuals, immune aging can lead to frank autoimmune disease, manifesting with chronic inflammation and irreversible tissue damage. Emerging data support the concept that autoimmunity results from aging-induced failure of fundamental cellular processes in immune effector cells: genomic instability, loss of mitochondrial fitness, failing proteostasis, dwindling lysosomal degradation and inefficient autophagy. Here, we have reviewed the evidence that malfunctional mitochondria, disabled lysosomes and stressed endoplasmic reticula induce pathogenic T cells and macrophages that drive two autoimmune diseases, rheumatoid arthritis (RA) and giant cell arteritis (GCA). Recognizing immune aging as a risk factor for autoimmunity will open new avenues of immunomodulatory therapy, including the repair of malfunctioning mitochondria and lysosomes.
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Affiliation(s)
- Yanyan Zheng
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; Department of Cardiovascular Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, USA
| | - Qingxiang Liu
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
| | - Jorg J Goronzy
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Cornelia M Weyand
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; Department of Cardiovascular Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
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Jin J, Mu Y, Zhang H, Sturmlechner I, Wang C, Jadhav RR, Xia Q, Weyand CM, Goronzy JJ. CISH impairs lysosomal function in activated T cells resulting in mitochondrial DNA release and inflammaging. NATURE AGING 2023; 3:600-616. [PMID: 37118554 PMCID: PMC10388378 DOI: 10.1038/s43587-023-00399-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 03/15/2023] [Indexed: 04/30/2023]
Abstract
Chronic systemic inflammation is one of the hallmarks of the aging immune system. Here we show that activated T cells from older adults contribute to inflammaging by releasing mitochondrial DNA (mtDNA) into their environment due to an increased expression of the cytokine-inducible SH2-containing protein (CISH). CISH targets ATP6V1A, an essential component of the proton pump V-ATPase, for proteasomal degradation, thereby impairing lysosomal function. Impaired lysosomal activity caused intracellular accumulation of multivesicular bodies and amphisomes and the export of their cargos, including mtDNA. CISH silencing in T cells from older adults restored lysosomal activity and prevented amphisomal release. In antigen-specific responses in vivo, CISH-deficient CD4+ T cells released less mtDNA and induced fewer inflammatory cytokines. Attenuating CISH expression may present a promising strategy to reduce inflammation in an immune response of older individuals.
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Affiliation(s)
- Jun Jin
- Multiscale Research Institute for Complex Systems, Fudan University, Shanghai, China.
- Department of Immunology, Mayo Clinic, Rochester, MN, USA.
- Department of Medicine, Stanford University, Stanford, CA, USA.
| | - Yunmei Mu
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
| | - Huimin Zhang
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
- Department of Medicine, Stanford University, Stanford, CA, USA
| | | | - Chenyao Wang
- Department of Medicine, Division of Rheumatology, Mayo Clinic, Rochester, MN, USA
| | - Rohit R Jadhav
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Qiong Xia
- Department of Medicine, Stanford University, Stanford, CA, USA
| | - Cornelia M Weyand
- Department of Immunology, Mayo Clinic, Rochester, MN, USA
- Department of Medicine, Stanford University, Stanford, CA, USA
- Department of Medicine, Division of Rheumatology, Mayo Clinic, Rochester, MN, USA
| | - Jorg J Goronzy
- Department of Immunology, Mayo Clinic, Rochester, MN, USA.
- Department of Medicine, Stanford University, Stanford, CA, USA.
- Department of Medicine, Division of Rheumatology, Mayo Clinic, Rochester, MN, USA.
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Ohtsuki S, Wang C, Watanabe R, Zhang H, Akiyama M, Bois MC, Maleszewski JJ, Warrington KJ, Berry GJ, Goronzy JJ, Weyand CM. Deficiency of the CD155-CD96 immune checkpoint controls IL-9 production in giant cell arteritis. Cell Rep Med 2023; 4:101012. [PMID: 37075705 PMCID: PMC10140609 DOI: 10.1016/j.xcrm.2023.101012] [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: 10/24/2022] [Revised: 02/13/2023] [Accepted: 03/21/2023] [Indexed: 04/21/2023]
Abstract
Loss of function of inhibitory immune checkpoints, unleashing pathogenic immune responses, is a potential risk factor for autoimmune disease. Here, we report that patients with the autoimmune vasculitis giant cell arteritis (GCA) have a defective CD155-CD96 immune checkpoint. Macrophages from patients with GCA retain the checkpoint ligand CD155 in the endoplasmic reticulum (ER) and fail to bring it to the cell surface. CD155low antigen-presenting cells induce expansion of CD4+CD96+ T cells, which become tissue invasive, accumulate in the blood vessel wall, and release the effector cytokine interleukin-9 (IL-9). In a humanized mouse model of GCA, recombinant human IL-9 causes vessel wall destruction, whereas anti-IL-9 antibodies efficiently suppress innate and adaptive immunity in the vasculitic lesions. Thus, defective surface translocation of CD155 creates antigen-presenting cells that deviate T cell differentiation toward Th9 lineage commitment and results in the expansion of vasculitogenic effector T cells.
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Affiliation(s)
- Shozo Ohtsuki
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Cardiology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Chenyao Wang
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Cardiology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Ryu Watanabe
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Clinical Immunology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Hui Zhang
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Deptartment of Rheumatology, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangdong, China
| | - Mitsuhiro Akiyama
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Melanie C Bois
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Joseph J Maleszewski
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | - Kenneth J Warrington
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Gerald J Berry
- Department of Pathology, School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Jörg J Goronzy
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA
| | - Cornelia M Weyand
- Department of Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA; Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Cardiology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA; Department of Immunology, Mayo Clinic College of Medicine and Science, Rochester, MN 55905, USA.
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Elfishawi M, Rakholiya J, Gunderson TM, Achenbach SJ, Crowson CS, Matteson EL, Turesson C, Wadström K, Weyand C, Koster MJ, Warrington KJ. Lower Frequency of Comorbidities Prior to Onset of Giant Cell Arteritis: A Population-Based Study. J Rheumatol 2023; 50:526-531. [PMID: 36521923 PMCID: PMC10066824 DOI: 10.3899/jrheum.220610] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To assess the frequency of comorbidities and metabolic risk factors at and prior to giant cell arteritis (GCA) diagnosis. METHODS This is a retrospective case control study of patients with incident GCA between January 1, 2000, and December 31, 2019, in Olmsted County, Minnesota. Two age- and sex-matched controls were identified, and each assigned an index date corresponding to an incidence date of GCA. Medical records were manually abstracted for comorbidities and laboratory data at incidence date, 5 years, and 10 years prior to incidence date. Twenty-five chronic conditions using International Classification of Diseases, 9th revision, diagnosis codes were also studied at incidence date and 5 years prior to incidence date. RESULTS One hundred and twenty-nine patients with GCA (74% female) and 253 controls were identified. At incidence date, the prevalence of diabetes mellitus (DM) was lower among patients with GCA (5% vs 17%; P = 0.001). At 5 years prior to incidence date, patients were less likely to have DM (2% vs 13%; P < 0.001) and hypertension (27% vs 45%; P = 0.002) and had a lower mean number (SD) of comorbidities (0.7 [1.0] vs 1.3 [1.4]; P < 0.001) compared to controls. Moreover, patients had significantly lower median fasting blood glucose (FBG; 96 mg/dL vs 104 mg/dL; P < 0.001) and BMI (25.8 vs 27.7; P = 0.02) compared to controls. Multivariable logistic regression analysis revealed negative associations for FBG with GCA at 5 and 10 years prior to diagnosis/index date. CONCLUSION DM prevalence and median FBG and BMI were lower in patients with GCA up to 5 years prior to diagnosis, suggesting that metabolic factors influence the risk of GCA.
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Affiliation(s)
- Mohanad Elfishawi
- M. Elfishawi, MBBCh, MS, J. Rakholiya, MBBS, C. Weyand, MD, PhD, M.J. Koster, MD, K.J. Warrington, MD, Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA;
| | - Jigisha Rakholiya
- M. Elfishawi, MBBCh, MS, J. Rakholiya, MBBS, C. Weyand, MD, PhD, M.J. Koster, MD, K.J. Warrington, MD, Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Tina M Gunderson
- T.M. Gunderson, MS, S.J. Achenbach, MS, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Sara J Achenbach
- T.M. Gunderson, MS, S.J. Achenbach, MS, Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Cynthia S Crowson
- C.S Crowson, PhD, E.L. Matteson, MD, MPH, Division of Rheumatology, Department of Internal Medicine, and Department of Quantitative Health Sciences. Mayo Clinic, Rochester, Minnesota, USA
| | - Eric L Matteson
- C.S Crowson, PhD, E.L. Matteson, MD, MPH, Division of Rheumatology, Department of Internal Medicine, and Department of Quantitative Health Sciences. Mayo Clinic, Rochester, Minnesota, USA
| | - Carl Turesson
- C. Turesson, MD, PhD, Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden
| | - Karin Wadström
- K. Wadström, MD, PhD, Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, and Center for Rheumatology, Academic Specialist Center, Region Stockholm, Stockholm, Sweden
| | - Cornelia Weyand
- M. Elfishawi, MBBCh, MS, J. Rakholiya, MBBS, C. Weyand, MD, PhD, M.J. Koster, MD, K.J. Warrington, MD, Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Matthew J Koster
- M. Elfishawi, MBBCh, MS, J. Rakholiya, MBBS, C. Weyand, MD, PhD, M.J. Koster, MD, K.J. Warrington, MD, Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Kenneth J Warrington
- M. Elfishawi, MBBCh, MS, J. Rakholiya, MBBS, C. Weyand, MD, PhD, M.J. Koster, MD, K.J. Warrington, MD, Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA
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8
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Watanabe R, Kadoba K, Tamamoto A, Murata K, Murakami K, Onizawa H, Fujii T, Onishi A, Tanaka M, Ito H, Morinobu A, Hashimoto M. CD8+ Regulatory T Cell Deficiency in Elderly-Onset Rheumatoid Arthritis. J Clin Med 2023; 12:jcm12062342. [PMID: 36983342 PMCID: PMC10054757 DOI: 10.3390/jcm12062342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/01/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023] Open
Abstract
Elderly-onset rheumatoid arthritis (EORA) is associated with higher disease activity and accelerated joint destruction compared with young-onset RA (YORA). However, the underlying immunological mechanism remains unclear. Regulatory T cells (Tregs) are an immunosuppressive T cell subset, and CD4+ Tregs are deficient and/or dysfunctional in RA; however, CD8+ Tregs have not been fully examined in RA. Here, we aimed to determine the role of CD8+ Tregs, particularly in EORA. A total of 40 patients (EORA, n = 17; YORA, n = 23) were cross-sectionally enrolled. Current disease activity and treatment were comparable between the two groups; however, levels of multiple cytokines, including IL-1β, TNFα, interferon (IFN)-γ, IL-2, and IL-10, were significantly increased in EORA. The number of CD4+ Tregs did not differ between the groups (p = 0.37), but those of CD8+ Tregs were significantly decreased in EORA (p = 0.0033). The number of CD8+ Tregs were inversely correlated with plasma matrix metalloprotease (MMP)-3 levels (r = −0.3331, p = 0.036). Our study results revealed an intrinsic deficiency of CD8+ Tregs in patients with EORA, which leaves synovitis unchecked with excessive MMP-3 release. A therapeutic approach to restore CD8+ Tregs may provide a new avenue for the treatment of EORA.
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Affiliation(s)
- Ryu Watanabe
- Department of Clinical Immunology, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
- Correspondence: ; Tel.: +81-6-6645-3981
| | - Keiichiro Kadoba
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Atsuko Tamamoto
- Department of Clinical Immunology, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
| | - Koichi Murata
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Kosaku Murakami
- Center for Cancer Immunotherapy and Immunobiology, Division of Clinical Immunology and Cancer Immunotherapy, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
| | - Hideo Onizawa
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Takayuki Fujii
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Akira Onishi
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Masao Tanaka
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Hiromu Ito
- Department of Orthopaedic Surgery, Kurashiki Central Hospital, Kurashiki 710-8602, Japan
| | - Akio Morinobu
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Motomu Hashimoto
- Department of Clinical Immunology, Osaka Metropolitan University Graduate School of Medicine, Osaka 545-8585, Japan
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9
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BMP4 aggravates mitochondrial dysfunction of HRMECs. Heliyon 2023; 9:e13824. [PMID: 36895361 PMCID: PMC9988459 DOI: 10.1016/j.heliyon.2023.e13824] [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: 09/20/2022] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023] Open
Abstract
Mitochondria are important places for the oxidative phosphorylation of glucose and the maintenance of cell oxidation and antioxidant stability. However, mitochondrial dysfunction causes cell dysfunction. Meanwhile, retinal vascular endothelial cell dysfunction may cause vascular inflammation, hemorrhage, angiogenesis, and other manifestations. Our previous studies have shown that Bone morphogenetic protein 4 (BMP4) is an important target for the treatment of retinal neovascularization, but the mechanism remains unclear. Therefore, our study aims to observe the effects of BMP4 on vascular endothelial cells and hopes to provide a new target for diabetic retinopathy. 4-Hydroxynonenal (4HNE), a kind of lipid peroxide, was used to induce the oxidative stress model. Human retinal microvascular endothelial cells (HRMECs) were randomly divided into control, 4HNE, negative control, and siBMP4 groups. Si-BMP4 significantly reduced leukocyte adhesion and 4HNE-induced high ROS level and restored the mitochondrial membrane potential and OCR. This indicates that BMP4 plays an important role in inducing leukocyte adhesion, oxidative stress, and mitochondrial dysfunction. The relationship between BMP4 and retinal vascular endothelial cell dysfunction is preliminarily confirmed by this study. Mitochondrial dysfunction and oxidative stress may be involved in BMP4-mediated retinal vascular endothelial cell dysfunction.
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10
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Liu N, Zhang J, Yan M, Chen L, Wu J, Tao Q, Yan B, Chen X, Peng C. Supplementation with α-ketoglutarate improved the efficacy of anti-PD1 melanoma treatment through epigenetic modulation of PD-L1. Cell Death Dis 2023; 14:170. [PMID: 36854755 PMCID: PMC9974984 DOI: 10.1038/s41419-023-05692-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 02/15/2023] [Accepted: 02/15/2023] [Indexed: 03/02/2023]
Abstract
Patients with advanced melanoma have shown an improved outlook after anti-PD1 therapy, but the low response rate restricts clinical benefit; therefore, enhancing anti-PD1 therapeutic efficacy remains a major challenge. Here, our findings showed a significantly increased abundance of α-KG in healthy controls, anti-PD1-sensitive melanoma-bearing mice, and anti-PD1-sensitive melanoma patients; moreover, supplementation with α-KG enhanced the efficacy of anti-PD1 immunotherapy and increased PD-L1 expression in melanoma tumors via STAT1/3. We also found that supplementation with α-KG significantly increased the activity of the methylcytosine dioxygenases TET2/3, which led to an increased 5-hydroxymethylcytosine (5-hmC) level in the PD-L1 promoter. As a consequence, STAT1/3 binding to the PD-L1 promoter was stabilized to upregulate PD-L1 expression. Importantly, single-cell sequencing of preclinical samples and analysis of clinical data revealed that TET2/3-STAT1/3-CD274 signaling was associated with sensitivity to anti-PD1 treatment in melanoma. Taken together, our results provide novel insight into α-KG's function in anti-PD1 treatment of melanoma and suggest supplementation with α-KG as a novel promising strategy to improve the efficacy of anti-PD1 therapy.
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Affiliation(s)
- Nian Liu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jianglin Zhang
- Department of Dermatology, 2nd Clinical Medical College of Jinan University, Changsha, China
| | - Mingjie Yan
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Lihui Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Wu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Qian Tao
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Bei Yan
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xiang Chen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
| | - Cong Peng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China.
- Furong Laboratory, Xiangya Hospital, Central South University, Changsha, China.
- Hunan Key Laboratory of Skin Cancer and Psoriasis, Human Engineering Research Center of Skin Health and Disease, Xiangya Hospital, Central South University, Changsha, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China.
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11
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Abstract
Giant cell arteritis is an autoimmune disease of medium and large arteries, characterized by granulomatous inflammation of the three-layered vessel wall that results in vaso-occlusion, wall dissection, and aneurysm formation. The immunopathogenesis of giant cell arteritis is an accumulative process in which a prolonged asymptomatic period is followed by uncontrolled innate immunity, a breakdown in self-tolerance, the transition of autoimmunity from the periphery into the vessel wall and, eventually, the progressive evolution of vessel wall inflammation. Each of the steps in pathogenesis corresponds to specific immuno-phenotypes that provide mechanistic insights into how the immune system attacks and damages blood vessels. Clinically evident disease begins with inappropriate activation of myeloid cells triggering the release of hepatic acute phase proteins and inducing extravascular manifestations, such as muscle pains and stiffness diagnosed as polymyalgia rheumatica. Loss of self-tolerance in the adaptive immune system is linked to aberrant signaling in the NOTCH pathway, leading to expansion of NOTCH1+CD4+ T cells and the functional decline of NOTCH4+ T regulatory cells (Checkpoint 1). A defect in the endothelial cell barrier of adventitial vasa vasorum networks marks Checkpoint 2; the invasion of monocytes, macrophages and T cells into the arterial wall. Due to the failure of the immuno-inhibitory PD-1 (programmed cell death protein 1)/PD-L1 (programmed cell death ligand 1) pathway, wall-infiltrating immune cells arrive in a permissive tissues microenvironment, where multiple T cell effector lineages thrive, shift toward high glycolytic activity, and support the development of tissue-damaging macrophages, including multinucleated giant cells (Checkpoint 3). Eventually, the vascular lesions are occupied by self-renewing T cells that provide autonomy to the disease process and limit the therapeutic effectiveness of currently used immunosuppressants. The multi-step process deviating protective to pathogenic immunity offers an array of interception points that provide opportunities for the prevention and therapeutic management of this devastating autoimmune disease.
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Affiliation(s)
- Cornelia M. Weyand
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
- Department of Cardiovascular Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, USA
- Department of Immunology, Mayo Clinic College of Medicine and Science
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94306
| | - Jörg J. Goronzy
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
- Department of Immunology, Mayo Clinic College of Medicine and Science
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94306
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12
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Stamatis P, Turesson C, Michailidou D, Mohammad AJ. Pathogenesis of giant cell arteritis with focus on cellular populations. Front Med (Lausanne) 2022; 9:1058600. [PMID: 36465919 PMCID: PMC9714577 DOI: 10.3389/fmed.2022.1058600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 10/31/2022] [Indexed: 08/27/2023] Open
Abstract
Giant cell arteritis (GCA), the most common non-infectious vasculitis, mainly affects elderly individuals. The disease usually affects the aorta and its main supra-aortic branches causing both general symptoms of inflammation and specific ischemic symptoms because of the limited blood flow due to arterial structural changes in the inflamed arteries. The pathogenesis of the GCA is complex and includes a dysregulated immune response that affects both the innate and the adaptive immunity. During the last two decades several studies have investigated interactions among antigen-presenting cells and lymphocytes, which contribute to the formation of the inflammatory infiltrate in the affected arteries. Toll-like receptor signaling and interactions through the VEGF-Notch-Jagged1 pathway are emerging as crucial events of the aberrant inflammatory response, facilitating among others the migration of inflammatory cells to the inflamed arteries and their interactions with the local stromal milieu. The increased use of checkpoint inhibitors in cancer immunotherapy and their immune-related adverse events has fed interest in the role of checkpoint dysfunction in GCA, and recent studies suggest a dysregulated check point system which is unable to suppress the inflammation in the previously immune-privileged arteries, leading to vasculitis. The role of B-cells is currently reevaluated because of new reports of considerable numbers of plasma cells in inflamed arteries as well as the formation of artery tertiary lymphoid organs. There is emerging evidence on previously less studied cell populations, such as the neutrophils, CD8+ T-cells, T regulatory cells and tissue residing memory cells as well as for stromal cells which were previously considered as innocent bystanders. The aim of this review is to summarize the evidence in the literature regarding the cell populations involved in the pathogenesis of GCA and especially in the context of an aged, immune system.
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Affiliation(s)
- Pavlos Stamatis
- Rheumatology, Department of Clinical Sciences, Lund University, Lund, Sweden
- Rheumatology, Sunderby Hospital, Luleå, Sweden
| | - Carl Turesson
- Rheumatology, Department of Clinical Sciences Malmö, Lund University, Malmö, Sweden
| | - Despina Michailidou
- Division of Rheumatology, Department of Medicine, University of Washington, Seattle, WA, United States
| | - Aladdin J. Mohammad
- Rheumatology, Department of Clinical Sciences, Lund University, Lund, Sweden
- Department of Medicine, University of Cambridge, Cambridge, United Kingdom
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13
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Rihan M, Sharma SS. Role of Pyruvate Kinase M2 (PKM2) in Cardiovascular Diseases. J Cardiovasc Transl Res 2022; 16:382-402. [PMID: 36178660 DOI: 10.1007/s12265-022-10321-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 09/07/2022] [Indexed: 11/29/2022]
Abstract
Cardiovascular diseases (CVDs) are the world's leading cause of death, accounting for 32% of all fatalities. Although therapeutic agents are available for CVDs, however, most of them have significant limitations such as the time-dependency effect, hypotension, and bradycardia. To overcome the limitations of current pharmacological therapies, new molecular targets and pathways need to be identified and investigated to provide better treatment options for CVDs. Recent evidence suggested the involvement of pyruvate kinase M2 (PKM2) and targeting PKM2 by its modulators (inhibitors and activators) has shown promising results in several CVDs. PKM2 regulates gene activation in the context of apoptosis, mitosis, hypoxia, inflammation, and metabolic reprogramming. PKM2 modulators might have a significant impact on the molecular pathways involved in CVD pathogenesis. Therefore, PKM2 modulators can be one of the therapeutic options for CVDs. This review provides an insight into PKM2 involvement in various CVDs along with their therapeutic potential.
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Affiliation(s)
- Mohd Rihan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Punjab, India
| | - Shyam Sunder Sharma
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S.A.S. Nagar, Punjab, India.
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14
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Inhibitory immune checkpoints cause exhaustion of viral immunity in coronary artery disease. NATURE CARDIOVASCULAR RESEARCH 2022; 1:607-608. [PMID: 35856084 PMCID: PMC9281274 DOI: 10.1038/s44161-022-00103-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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15
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Zhao TV, Hu Z, Ohtsuki S, Jin K, Wu B, Berry GJ, Frye RL, Goronzy JJ, Weyand CM. Hyperactivity of the CD155 immune checkpoint suppresses anti-viral immunity in patients with coronary artery disease. NATURE CARDIOVASCULAR RESEARCH 2022; 1:634-648. [PMID: 36860353 PMCID: PMC9974158 DOI: 10.1038/s44161-022-00096-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Pre-existent cardiovascular disease is a risk factor for weak anti-viral immunity, but underlying mechanisms remain undefined. Here, we report that patients with coronary artery disease (CAD) have macrophages (Mϕ) that actively suppress the induction of helper T cells reactive to two viral antigens: the SARS-CoV2 Spike protein and the Epstein-Barr virus (EBV) glycoprotein 350. CAD Mϕ overexpressed the methyltransferase METTL3, promoting the accumulation of N⁶-methyladenosine (m6A) in Poliovirus receptor (CD155) mRNA. m6A modifications of positions 1635 and 3103 in the 3'UTR of CD155 mRNA stabilized the transcript and enhanced CD155 surface expression. As a result, the patients' Mϕ abundantly expressed the immunoinhibitory ligand CD155 and delivered negative signals to CD4+ T cells expressing CD96 and/or TIGIT receptors. Compromised antigen-presenting function of METTL3hi CD155hi Mϕ diminished anti-viral T cell responses in vitro and in vivo. LDL and its oxidized form induced the immunosuppressive Mϕ phenotype. Undifferentiated CAD monocytes had hypermethylated CD155 mRNA, implicating post-transcriptional RNA modifications in the bone-marrow in shaping anti-viral immunity in CAD.
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Affiliation(s)
- Tuantuan V Zhao
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Zhaolan Hu
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Shozo Ohtsuki
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Ke Jin
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Bowen Wu
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - Robert L Frye
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA
| | - Jörg J Goronzy
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA.,Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Cornelia M Weyand
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55901, USA.,Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
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16
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Wang LL, Li ZH, Wang H, Kwak-Kim J, Liao AH. Cutting edge: the regulatory mechanisms of macrophage polarization and function during pregnancy. J Reprod Immunol 2022; 151:103627. [DOI: 10.1016/j.jri.2022.103627] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/07/2022] [Accepted: 04/13/2022] [Indexed: 02/06/2023]
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17
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Hu Z, Zhao TV, Huang T, Ohtsuki S, Jin K, Goronzy IN, Wu B, Abdel MP, Bettencourt JW, Berry GJ, Goronzy JJ, Weyand CM. The transcription factor RFX5 coordinates antigen-presenting function and resistance to nutrient stress in synovial macrophages. Nat Metab 2022; 4:759-774. [PMID: 35739396 PMCID: PMC9280866 DOI: 10.1038/s42255-022-00585-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/16/2022] [Indexed: 11/08/2022]
Abstract
Tissue macrophages (Mϕ) are essential effector cells in rheumatoid arthritis (RA), contributing to autoimmune tissue inflammation through diverse effector functions. Their arthritogenic potential depends on their proficiency to survive in the glucose-depleted environment of the inflamed joint. Here, we identify a mechanism that links metabolic adaptation to nutrient stress with the efficacy of tissue Mϕ to activate adaptive immunity by presenting antigen to tissue-invading T cells. Specifically, Mϕ populating the rheumatoid joint produce and respond to the small cytokine CCL18, which protects against cell death induced by glucose withdrawal. Mechanistically, CCL18 induces the transcription factor RFX5 that selectively upregulates glutamate dehydrogenase 1 (GLUD1), thus enabling glutamate utilization to support energy production. In parallel, RFX5 enhances surface expression of HLA-DR molecules, promoting Mϕ-dependent expansion of antigen-specific T cells. These data place CCL18 at the top of a RFX5-GLUD1 survival pathway and couple adaptability to nutrient conditions in the tissue environment to antigen-presenting function in autoimmune tissue inflammation.
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Affiliation(s)
- Zhaolan Hu
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Tuantuan V Zhao
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Tao Huang
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Shozo Ohtsuki
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Ke Jin
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Isabel N Goronzy
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Bowen Wu
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Jacob W Bettencourt
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Jörg J Goronzy
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Cornelia M Weyand
- Department of Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA.
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
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18
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Zhao TV, Sato Y, Goronzy JJ, Weyand CM. T-Cell Aging-Associated Phenotypes in Autoimmune Disease. FRONTIERS IN AGING 2022; 3:867950. [PMID: 35821833 PMCID: PMC9261367 DOI: 10.3389/fragi.2022.867950] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 03/28/2022] [Indexed: 01/10/2023]
Abstract
The aging process causes profound restructuring of the host immune system, typically associated with declining host protection against cancer and infection. In the case of T cells, aging leads to the accumulation of a diverse set of T-cell aging-associated phenotypes (TASP), some of which have been implicated in driving tissue inflammation in autoimmune diseases. T cell aging as a risk determinant for autoimmunity is exemplified in two classical autoimmune conditions: rheumatoid arthritis (RA), a disease predominantly affecting postmenopausal women, and giant cell arteritis (GCA), an inflammatory vasculopathy exclusively occurring during the 6th-9th decade of life. Pathogenic T cells in RA emerge as a consequence of premature immune aging. They have shortening and fragility of telomeric DNA ends and instability of mitochondrial DNA. As a result, they produce a distinct profile of metabolites, disproportionally expand their endoplasmic reticulum (ER) membranes and release excess amounts of pro-inflammatory effector cytokines. Characteristically, they are tissue invasive, activate the inflammasome and die a pyroptotic death. Patients with GCA expand pathogenic CD4+ T cells due to aberrant expression of the co-stimulatory receptor NOTCH1 and the failure of the PD-1/PD-L1 immune checkpoint. In addition, GCA patients lose anti-inflammatory Treg cells, promoting tissue-destructive granulomatous vasculitis. In summary, emerging data identify T cell aging as a risk factor for autoimmune disease and directly link TASPs to the breakdown of T cell tolerance and T-cell-induced tissue inflammation.
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Affiliation(s)
- Tuantuan V. Zhao
- Mayo Clinic Alix School of Medicine, College of Medicine and Science, Rochester, MN, United States
| | - Yuki Sato
- Mayo Clinic Alix School of Medicine, College of Medicine and Science, Rochester, MN, United States
| | - Jorg J. Goronzy
- Mayo Clinic Alix School of Medicine, College of Medicine and Science, Rochester, MN, United States,School of Medicine, Stanford University, Stanford, CA, United States
| | - Cornelia M. Weyand
- Mayo Clinic Alix School of Medicine, College of Medicine and Science, Rochester, MN, United States,School of Medicine, Stanford University, Stanford, CA, United States,*Correspondence: Cornelia M. Weyand,
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19
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Watanabe R, Hashimoto M. Aging-Related Vascular Inflammation: Giant Cell Arteritis and Neurological Disorders. Front Aging Neurosci 2022; 14:843305. [PMID: 35493934 PMCID: PMC9039280 DOI: 10.3389/fnagi.2022.843305] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 03/22/2022] [Indexed: 12/16/2022] Open
Abstract
Aging is characterized by the functional decline of the immune system and constitutes the primary risk factor for infectious diseases, cardiovascular disorders, cancer, and neurodegenerative disorders. Blood vessels are immune-privileged sites and consist of endothelial cells, vascular smooth muscle cells, macrophages, dendritic cells, fibroblasts, and pericytes, among others. Aging also termed senescence inevitably affects blood vessels, making them vulnerable to inflammation. Atherosclerosis causes low-grade inflammation from the endothelial side; whereas giant cell arteritis (GCA) causes intense inflammation from the adventitial side. GCA is the most common autoimmune vasculitis in the elderly characterized by the formation of granulomas composed of T cells and macrophages in medium- and large-sized vessels. Recent studies explored the pathophysiology of GCA at unprecedented resolutions, and shed new light on cellular signaling pathways and metabolic fitness in wall-destructive T cells and macrophages. Moreover, recent reports have revealed that not only can cerebrovascular disorders, such as stroke and ischemic optic neuropathy, be initial or coexistent manifestations of GCA, but the same is true for dementia and neurodegenerative disorders. In this review, we first outline how aging affects vascular homeostasis. Subsequently, we review the updated pathophysiology of GCA and explain the similarities and differences between vascular aging and GCA. Then, we introduce the possible link between T cell aging, neurological aging, and GCA. Finally, we discuss therapeutic strategies targeting both senescence and vascular inflammation.
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20
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Liu Y, Yan H, Gu H, Zhang E, He J, Cao W, Qu J, Xu R, Cao L, He D, Zhang J, Hou Y, Cai Z. Myeloma-derived IL-32γ induced PD-L1 expression in macrophages facilitates immune escape via the PFKFB3-JAK1 axis. Oncoimmunology 2022; 11:2057837. [PMID: 35371618 PMCID: PMC8973380 DOI: 10.1080/2162402x.2022.2057837] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Yang Liu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Haimeng Yan
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Huiyao Gu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Enfan Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Jingsong He
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Wen Cao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Jianwei Qu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Ruyi Xu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Liqin Cao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Donghua He
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Jinna Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Yifan Hou
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
| | - Zhen Cai
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China
- Zhejiang Laboratory for Systems & Precision Medicine, Zhejiang University Medical Center, Hangzhou, Zhejiang, China
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21
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Watanabe R, Hashimoto M. Comment on: Plasma Pyruvate Kinase M2 as a marker of vascular inflammation in Giant Cell Arteritis. Rheumatology (Oxford) 2022; 61:e183-e184. [PMID: 35166773 DOI: 10.1093/rheumatology/keac092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 01/05/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ryu Watanabe
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Motomu Hashimoto
- Department of Clinical Immunology, Osaka City University Graduate School of Medicine, Osaka, Japan
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22
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Ferric Ammonium Citrate Upregulates PD-L1 Expression through Generation of Reactive Oxygen Species. J Immunol Res 2022; 2022:6284124. [PMID: 35083343 PMCID: PMC8786474 DOI: 10.1155/2022/6284124] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/24/2021] [Accepted: 11/30/2021] [Indexed: 11/17/2022] Open
Abstract
Iron plays an important role in macrophage polarization by altering metabolic and redox status. However, the impact of iron on the immune status of macrophages is still controversial. In this study, we report that ferric ammonium citrate (FAC) upregulates PD-L1 expression in macrophages. FAC not only altered the phenotype of macrophages but also led to enriching immune-modulatory T cell subsets. Since iron is known to be a constituent of coenzymes facilitating metabolic processes in mitochondria, we examined the metabolic status of FAC-overloaded macrophages by measuring the oxygen consumption rate (OCR) and the represented coenzyme, aconitase. In addition to enhancement of metabolic processes, FAC accelerated the Fenton reaction in macrophages, which also contributed to the facilitation of oxygen consumption. We reasoned that the enhancement of the OCR leads to the production of reactive oxygen species (ROS), which are directly linked to PD-L1 induction. Using ferrostatin, rotenone, and N-acetyl-L-cysteine, we confirmed that metabolic and redox regulation is responsible for FAC-mediated PD-L1 expression. Furthermore, we suggested that FAC-induced ROS production may explain FAC-mediated pro- and anti-inflammatory responses in macrophages. These findings may extend our understanding of regulating iron concentration during immune checkpoint therapy in cancer patients.
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23
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Temporal Artery Vascular Diseases. J Clin Med 2022; 11:jcm11010275. [PMID: 35012016 PMCID: PMC8745856 DOI: 10.3390/jcm11010275] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/24/2021] [Accepted: 12/30/2021] [Indexed: 02/06/2023] Open
Abstract
In the presence of temporal arteritis, clinicians often refer to the diagnosis of giant cell arteritis (GCA). However, differential diagnoses should also be evoked because other types of vascular diseases, vasculitis or not, may affect the temporal artery. Among vasculitis, Anti-neutrophil cytoplasmic antibodies (ANCA)-associated vasculitis is probably the most common, and typically affects the peri-adventitial small vessel of the temporal artery and sometimes mimics giant cell arteritis, however, other symptoms are frequently associated and more specific of ANCA-associated vasculitis prompt a search for ANCA. The Immunoglobulin G4-related disease (IgG4-RD) can cause temporal arteritis as well. Some infections can also affect the temporal artery, primarily an infection caused by the varicella-zoster virus (VZV), which has an arterial tropism that may play a role in triggering giant cell arteritis. Drugs, mainly checkpoint inhibitors that are used to treat cancer, can also trigger giant cell arteritis. Furthermore, the temporal artery can be affected by diseases other than vasculitis such as atherosclerosis, calcyphilaxis, aneurysm, or arteriovenous fistula. In this review, these different diseases affecting the temporal artery are described.
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24
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Singh R, Koppu S, Perche PO, Feldman SR. The Cytokine Mediated Molecular Pathophysiology of Psoriasis and Its Clinical Implications. Int J Mol Sci 2021; 22:ijms222312793. [PMID: 34884596 PMCID: PMC8657643 DOI: 10.3390/ijms222312793] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/19/2021] [Accepted: 11/25/2021] [Indexed: 12/27/2022] Open
Abstract
Psoriasis is the result of uncontrolled keratinocyte proliferation, and its pathogenesis involves the dysregulation of the immune system. The interplay among cytokines released by dendritic, Th1, Th2, and Th17 cells leads to the phenotypical manifestations seen in psoriasis. Biological therapies target the cytokine-mediated pathogenesis of psoriasis and have improved patient quality of life. This review will describe the underlying molecular pathophysiology and biologics used to treat psoriasis. A review of the literature was conducted using the PubMed and Google Scholar repositories to investigate the molecular pathogenesis, clinical presentation, and current therapeutics in psoriasis. Plaque psoriasis', the most prevalent subtype of psoriasis, pathogenesis primarily involves cytokines TNF-α, IL-17, and IL-23. Pustular psoriasis', an uncommon variant, pathogenesis involves a mutation in IL-36RN. Currently, biological therapeutics targeted at TNF-α, IL-12/IL-23, IL-17, and IL-23/IL-39 are approved for the treatment of moderate to severe psoriasis. More studies need to be performed to elucidate the precise molecular pathology and assess efficacy between biological therapies for psoriasis. Psoriasis is a heterogenous, chronic, systemic inflammatory disease that presents in the skin with multiple types. Recognizing and understanding the underlying molecular pathways and biological therapeutics to treat psoriasis is important in treating this common disease.
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Affiliation(s)
- Rohan Singh
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA; (R.S.); (S.K.); (P.O.P.)
| | - Sindhuja Koppu
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA; (R.S.); (S.K.); (P.O.P.)
| | - Patrick O. Perche
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA; (R.S.); (S.K.); (P.O.P.)
| | - Steven R. Feldman
- Center for Dermatology Research, Department of Dermatology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA; (R.S.); (S.K.); (P.O.P.)
- Department of Pathology, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Department of Social Sciences & Health Policy, Wake Forest School of Medicine, Winston-Salem, NC 27101, USA
- Correspondence:
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25
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Regulation of the immune tolerance system determines the susceptibility to HLA-mediated abacavir-induced skin toxicity. Commun Biol 2021; 4:1137. [PMID: 34584206 PMCID: PMC8479119 DOI: 10.1038/s42003-021-02657-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 09/10/2021] [Indexed: 01/11/2023] Open
Abstract
Idiosyncratic drug toxicity (IDT) associated with specific human leukocyte antigen (HLA) allotype is a rare and unpredictable life-threatening adverse drug reaction for which prospective mechanistic studies in humans are difficult. Here, we show the importance of immune tolerance for IDT onset and determine whether it is susceptible to a common IDT, HLA-B*57:01-mediated abacavir (ABC)-induced hypersensitivity (AHS), using CD4+ T cell-depleted programmed death-1 receptor (PD-1)-deficient HLA-B*57:01 transgenic mice (B*57:01-Tg/PD-1−/−). Although AHS is not observed in B*57:01-Tg mice, ABC treatment increases the proportion of cytokine- and cytolytic granule-secreting effector memory CD8+ T cells in CD4+ T cell-depleted B*57:01-Tg/PD-1−/− mice, thereby inducing skin toxicity with CD8+ T cell infiltration, mimicking AHS. Our results demonstrate that individual differences in the immune tolerance system, including PD-1highCD8+ T cells and regulatory CD4+ T cells, may affect the susceptibility of humans to HLA-mediated IDT in humans. Using a transgenic mouse model that recapitulates abacavir hypersensitivity syndrome, an idiosyncratic adverse drug reaction, Susukida et al show that individual differences in the immune tolerance system affect the susceptibility to idiosyncratic drug toxicity.
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26
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Murata T. Human Herpesvirus and the Immune Checkpoint PD-1/PD-L1 Pathway: Disorders and Strategies for Survival. Microorganisms 2021; 9:microorganisms9040778. [PMID: 33917804 PMCID: PMC8068157 DOI: 10.3390/microorganisms9040778] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/04/2021] [Accepted: 04/06/2021] [Indexed: 12/28/2022] Open
Abstract
The immune system has evolved as a complex and efficient means of coping with extrinsic materials, such as pathogens and toxins, as well as intrinsic abnormalities, such as cancers. Although rapid and timely activation of the immune system is obviously important, regulated downregulation of the system is almost as significant as activation to prevent runaway immunity, such as allergies and hypercytokinemia. Therefore, the immune checkpoint programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1) pathway is beneficial for the host. On the other hand, pathogens have evolved to evade host immunity by taking advantage of the PD-1/PD-L1 pathway. This review is focused on human herpesviruses, such as herpes simplex virus (HSV), cytomegalovirus (CMV), and Epstein-Barr virus (EBV), which cause various types of disorders, and their relationships with the PD-1/PD-L1 pathway. Understanding such relationships will be useful for developing preventative and therapeutic methods for disorders caused by herpesviruses.
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Affiliation(s)
- Takayuki Murata
- Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
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27
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Huber V, Di Guardo L, Lalli L, Giardiello D, Cova A, Squarcina P, Frati P, Di Giacomo AM, Pilla L, Tazzari M, Camisaschi C, Arienti F, Castelli C, Rodolfo M, Beretta V, Di Nicola M, Maio M, Del Vecchio M, de Braud F, Mariani L, Rivoltini L. Back to simplicity: a four-marker blood cell score to quantify prognostically relevant myeloid cells in melanoma patients. J Immunother Cancer 2021; 9:jitc-2020-001167. [PMID: 33589521 PMCID: PMC7887358 DOI: 10.1136/jitc-2020-001167] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/11/2020] [Indexed: 12/25/2022] Open
Abstract
Background Myeloid-derived suppressor cells (MDSC), a cornerstone of cancer-related immunosuppression, influence response to therapy and disease outcomes in melanoma patients. Nevertheless, their quantification is far from being integrated into routine clinical practice mostly because of the complex and still evolving phenotypic signatures applied to define the cell subsets. Here, we used a multistep downsizing process to verify whether a core of few markers could be sufficient to capture the prognostic potential of myeloid cells in peripheral blood mononuclear cells (PBMC) of metastatic melanoma patients. Methods In baseline frozen PBMC from a total of 143 stage IIIc to IV melanoma patients, we first assessed the relevant or redundant expression of myeloid and MDSC-related markers by flow cytometry (screening set, n=23 patients). Subsequently, we applied the identified panel to the development set samples (n=59 patients undergoing first/second-line therapy) to obtain prognostic variables associated with overall survival (OS) and progression-free survival (PFS) by machine learning adaptive index modeling. Finally, the identified score was confirmed in a validation set (n=61) and compared with standard clinical prognostic factors to assess its additive value in patient prognostication. Results This selection process led to the identification of what we defined myeloid index score (MIS), which is composed by four cell subsets (CD14+, CD14+HLA-DRneg, CD14+PD-L1+ and CD15+ cells), whose frequencies above cut-offs stratified melanoma patients according to progressively worse prognosis. Patients with a MIS=0, showing no over-threshold value of MIS subsets, had the best clinical outcome, with a median survival of >33.6 months, while in patients with MIS 1→3, OS deteriorated from 10.9 to 6.8 and 6.0 months as the MIS increased (p<0.0001, c-index=0.745). MIS clustered patients into risk groups also according to PFS (p<0.0001). The inverse correlation between MIS and survival was confirmed in the validation set, was independent of the type of therapy and was not interfered by clinical prognostic factors. MIS HR was remarkably superior to that of lactate dehydrogenase, tumor burden and neutrophil-to-lymphocyte ratio. Conclusion The MIS >0 identifies melanoma patients with a more aggressive disease, thus acting as a simple blood biomarker that can help tailoring therapeutic choices in real-life oncology.
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Affiliation(s)
- Veronica Huber
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Lorenza Di Guardo
- Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Luca Lalli
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Daniele Giardiello
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.,Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Agata Cova
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Paola Squarcina
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Paola Frati
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | | | - Lorenzo Pilla
- Unit of Immuno-biotherapy of Melanoma and Solid Tumors, IRCCS San Raffaele Hospital, Milan, Italy.,Division of Medical Oncology, Ospedale San Gerardo, Monza, Italy
| | - Marcella Tazzari
- Immunotherapy-Cell Therapy and Biobank Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Chiara Camisaschi
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.,Biomarkers Unit, Department of Applied Research and Technical Development, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Flavio Arienti
- Immunohematology and Transfusion Medicine Service (SIMT), Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Chiara Castelli
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Monica Rodolfo
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Valeria Beretta
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.,Experimental Hematology Unit, IRCCS San Raffaele Hospital, Milan, Italy
| | - Massimo Di Nicola
- Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Michele Maio
- Center for Immuno-Oncology, University Hospital of Siena, Siena, Italy
| | - Michele Del Vecchio
- Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Filippo de Braud
- Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Luigi Mariani
- Unit of Clinical Epidemiology and Trial Organization, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Licia Rivoltini
- Unit of Immunotherapy of Human Tumors, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
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28
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Chambers ES, Akbar AN. Can blocking inflammation enhance immunity during aging? J Allergy Clin Immunol 2021; 145:1323-1331. [PMID: 32386656 DOI: 10.1016/j.jaci.2020.03.016] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 02/09/2023]
Abstract
Aging is a global burden, and the increase in life span does not increase in parallel with health span. Therefore, older adults are currently living longer with chronic diseases, increased infections, and cancer. A characteristic of aging is the presence of chronic low-grade inflammation that is characterized by elevated concentrations of IL-6, TNF-α, and C-reactive protein, which has been termed inflammaging. Previous studies have demonstrated that chronic inflammation interferes with T-cell response and macrophage function and is also detrimental for vaccine responses. This raises the question of whether therapeutic strategies that reduce inflammation may be useful for improving immunity in older adults. In this review we discuss the potential causes of inflammaging, the cellular source of the inflammatory mediators, and the mechanisms by which inflammation may inhibit immunity. Finally, we describe existing interventions that target inflammation that have been used to enhance immunity during aging.
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Affiliation(s)
- Emma S Chambers
- Division of Infection and Immunity, University College London, London, United Kingdom; Centre for Immunobiology, Blizard Institute, Queen Mary University of London, London, United Kingdom.
| | - Arne N Akbar
- Division of Infection and Immunity, University College London, London, United Kingdom
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29
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Wadström K, Jacobsson L, Mohammad AJ, Warrington KJ, Matteson EL, Turesson C. Negative associations for fasting blood glucose, cholesterol and triglyceride levels with the development of giant cell arteritis. Rheumatology (Oxford) 2021; 59:3229-3236. [PMID: 32240313 PMCID: PMC7590417 DOI: 10.1093/rheumatology/keaa080] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/04/2020] [Indexed: 12/31/2022] Open
Abstract
Objectives To investigate metabolic features that may predispose to GCA in a nested case–control study. Methods Individuals who developed GCA after inclusion in a population-based health survey (the Malmö Preventive Medicine Project; N = 33 346) were identified and validated through a structured review of medical records. Four controls for every validated case were selected from the database. Results A total of 76 cases with a confirmed incident diagnosis of GCA (61% female, 65% biopsy positive, mean age at diagnosis 70 years) were identified. The median time from screening to diagnosis was 20.7 years (range 3.0–32.1). Cases had significantly lower fasting blood glucose (FBG) at baseline screening compared with controls [mean 4.7 vs 5.1 mmol/l (S.d. overall 1.5), odds ratio (OR) 0.35 per mmol/l (95% CI 0.17, 0.71)] and the association remained significant when adjusted for smoking [OR 0.33 per mmol/l (95% CI 0.16, 0.68)]. Current smokers had a reduced risk of GCA [OR 0.35 (95% CI 0.18, 0.70)]. Both cholesterol [mean 5.6 vs 6.0 mmol/l (S.d. overall 1.0)] and triglyceride levels [median 1.0 vs 1.2 mmol/l (S.d. overall 0.8)] were lower among the cases at baseline screening, with significant negative associations with subsequent GCA in crude and smoking-adjusted models [OR 0.62 per mmol/l (95% CI 0.43, 0.90) for cholesterol; 0.46 per mmol/l (95% CI 0.27, 0.81) for triglycerides]. Conclusion Development of GCA was associated with lower FBG and lower cholesterol and triglyceride levels at baseline, all adjusted for current smoking, suggesting that metabolic features predispose to GCA.
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Affiliation(s)
- Karin Wadström
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden.,Department of Rheumatology, Skåne University Hospital, Malmö and Lund, Sweden
| | - Lennart Jacobsson
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden.,Department of Rheumatology & Inflammation Research, Sahlgrenska Academy, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Aladdin J Mohammad
- Department of Rheumatology, Skåne University Hospital, Malmö and Lund, Sweden.,Department of Medicine, University of Cambridge, Cambridge, UK
| | - Kenneth J Warrington
- Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Eric L Matteson
- Division of Rheumatology, Mayo Clinic College of Medicine and Science, Rochester, MN, USA
| | - Carl Turesson
- Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden.,Department of Rheumatology, Skåne University Hospital, Malmö and Lund, Sweden
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30
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Recruitment of inflammatory monocytes by senescent fibroblasts inhibits antigen-specific tissue immunity during human aging. ACTA ACUST UNITED AC 2021; 1:101-113. [PMID: 37118005 DOI: 10.1038/s43587-020-00010-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 11/25/2020] [Indexed: 12/13/2022]
Abstract
We have previously shown that healthy older adults exhibit reduced cutaneous immune responses during a varicella zoster virus (VZV) antigen challenge that correlated with a nonspecific inflammatory response to the injection itself. Here we found that needle damage during intradermal injections in older adults led to an increase in the number of cutaneous senescent fibroblasts expressing CCL2, resulting in the local recruitment of inflammatory monocytes. These infiltrating monocytes secreted prostaglandin E2, which inhibited resident memory T cell activation and proliferation. Pretreatment of older participants with a p38 mitogen-activated protein kinase inhibitor in vivo decreased CCL2 expression and inhibited monocyte recruitment and secretion of prostaglandin E2. This coincided with an increased response to VZV antigen challenge in the skin. Our results point to a series of molecular and cellular mechanisms that link cellular senescence, tissue damage, excessive inflammation and reduced immune responsiveness in human skin and demonstrate that tissue-specific immunity can be restored in older adults by short-term inhibition of inflammatory responses.
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Cancer-secreted exosomal miR-1468-5p promotes tumor immune escape via the immunosuppressive reprogramming of lymphatic vessels. Mol Ther 2021; 29:1512-1528. [PMID: 33388421 PMCID: PMC8058488 DOI: 10.1016/j.ymthe.2020.12.034] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 12/11/2020] [Accepted: 12/23/2020] [Indexed: 12/18/2022] Open
Abstract
Cancer-associated lymphatic endothelial cells (LECs) are an active barrier to the effector arm of the anti-tumor immune response; however, it remains unclear how LECs become immunosuppressive in the tumor microenvironment (TME). Exosomal microRNAs (miRNAs) have recently been implicated in intercellular crosstalk within the TME. Here, we report a mechanistic model via which cervical cancer-secreted, exosome-encapsulated microRNA (miR)-1468-5p promotes lymphatic PD-L1 upregulation and lymphangiogenesis to impair T cell immunity. Subsequently, exosomal miR-1468-5p epigenetically activates the JAK2/STAT3 pathway in LECs by directly targeting homeobox containing 1 (HMBOX1) in the SOCS1 promoter, activating an immunosuppressive program that allows cancer cells to escape anti-cancer immunity. Furthermore, clinical data reveal that high serum exosomal miR-1468-5p levels correlate with TME immunosuppressive status and poor prognosis in cervical cancer (CCa) patients. Taken together, our results suggest that cancer-secreted exosomal miR-1468-5p instructs LECs to form an integrated immunosuppressive TME component and may be a prognostic biomarker and therapeutic target for CCa.
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32
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Liu HL, Yeh IJ, Phan NN, Wu YH, Yen MC, Hung JH, Chiao CC, Chen CF, Sun Z, Jiang JZ, Hsu HP, Wang CY, Lai MD. Gene signatures of SARS-CoV/SARS-CoV-2-infected ferret lungs in short- and long-term models. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2020; 85:104438. [PMID: 32615317 PMCID: PMC7832673 DOI: 10.1016/j.meegid.2020.104438] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/11/2020] [Accepted: 06/19/2020] [Indexed: 12/12/2022]
Abstract
Coronaviruses (CoVs) consist of six strains, and the severe acute respiratory syndrome coronavirus (SARS-CoV), newly found coronavirus (SARS-CoV-2) has rapidly spread leading to a global outbreak. The ferret (Mustela putorius furo) serves as a useful animal model for studying SARS-CoV/SARS-CoV-2 infection and developing therapeutic strategies. A holistic approach for distinguishing differences in gene signatures during disease progression is lacking. The present study discovered gene expression profiles of short-term (3 days) and long-term (14 days) ferret models after SARS-CoV/SARS-CoV-2 infection using a bioinformatics approach. Through Gene Ontology (GO) and MetaCore analyses, we found that the development of stemness signaling was related to short-term SARS-CoV/SARS-CoV-2 infection. In contrast, pathways involving extracellular matrix and immune responses were associated with long-term SARS-CoV/SARS-CoV-2 infection. Some highly expressed genes in both short- and long-term models played a crucial role in the progression of SARS-CoV/SARS-CoV-2 infection, including DPP4, BMP2, NFIA, AXIN2, DAAM1, ZNF608, ME1, MGLL, LGR4, ABHD6, and ACADM. Meanwhile, we revealed that metabolic, glucocorticoid, and reactive oxygen species-associated networks were enriched in both short- and long-term infection models. The present study showed alterations in gene expressions from short-term to long-term SARS-CoV/SARS-CoV-2 infection. The current result provides an explanation of the pathophysiology for post-infectious sequelae and potential targets for treatment.
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Affiliation(s)
- Hsin-Liang Liu
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - I-Jeng Yeh
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Nam Nhut Phan
- NTT Institute of Hi-Technology, Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam
| | - Yen-Hung Wu
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Meng-Chi Yen
- Department of Emergency Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jui-Hsiang Hung
- Department of Biotechnology, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan
| | - Chung-Chieh Chiao
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan
| | - Chien-Fu Chen
- School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan
| | - Zhengda Sun
- Kaiser Permanente, Northern California Regional Laboratories, The Permanente Medical Group, 1725 Eastshore Hwy, Berkeley, CA 94710, USA
| | - Jia-Zhen Jiang
- Emergency Department, Huashan Hospital North, Fudan University, Shanghai 201508, People's Republic of China
| | - Hui-Ping Hsu
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan; Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
| | - Chih-Yang Wang
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan; Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan.
| | - Ming-Derg Lai
- Department of Biochemistry and Molecular Biology, National Cheng Kung University, Tainan 70101, Taiwan; Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.
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Delicate Role of PD-L1/PD-1 Axis in Blood Vessel Inflammatory Diseases: Current Insight and Future Significance. Int J Mol Sci 2020; 21:ijms21218159. [PMID: 33142805 PMCID: PMC7663405 DOI: 10.3390/ijms21218159] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/25/2020] [Accepted: 10/28/2020] [Indexed: 02/06/2023] Open
Abstract
Immune checkpoint molecules are the antigen-independent generator of secondary signals that aid in maintaining the homeostasis of the immune system. The programmed death ligand-1 (PD-L1)/PD-1 axis is one among the most extensively studied immune-inhibitory checkpoint molecules, which delivers a negative signal for T cell activation by binding to the PD-1 receptor. The general attributes of PD-L1's immune-suppressive qualities and novel mechanisms on the barrier functions of vascular endothelium to regulate blood vessel-related inflammatory diseases are concisely reviewed. Though targeting the PD-1/PD-L1 axis has received immense recognition-the Nobel Prize in clinical oncology was awarded in the year 2018 for this discovery-the use of therapeutic modulating strategies for the PD-L1/PD-1 pathway in chronic inflammatory blood vessel diseases is still limited to experimental models. However, studies using clinical specimens that support the role of PD-1 and PD-L1 in patients with underlying atherosclerosis are also detailed. Of note, delicate balances in the expression levels of PD-L1 that are needed to preserve T cell immunity and to curtail acute as well as chronic infections in underlying blood vessel diseases are discussed. A significant link exists between altered lipid and glucose metabolism in different cells and the expression of PD-1/PD-L1 molecules, and its possible implications on vascular inflammation are justified. This review summarizes the most recent insights concerning the role of the PD-L1/PD-1 axis in vascular inflammation and, in addition, provides an overview exploring the novel therapeutic approaches and challenges of manipulating these immune checkpoint proteins, PD-1 and PD-L1, for suppressing blood vessel inflammation.
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Valle S, Alcalá S, Martin-Hijano L, Cabezas-Sáinz P, Navarro D, Muñoz ER, Yuste L, Tiwary K, Walter K, Ruiz-Cañas L, Alonso-Nocelo M, Rubiolo JA, González-Arnay E, Heeschen C, Garcia-Bermejo L, Hermann PC, Sánchez L, Sancho P, Fernández-Moreno MÁ, Sainz B. Exploiting oxidative phosphorylation to promote the stem and immunoevasive properties of pancreatic cancer stem cells. Nat Commun 2020; 11:5265. [PMID: 33067432 PMCID: PMC7567808 DOI: 10.1038/s41467-020-18954-z] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Accepted: 09/22/2020] [Indexed: 12/18/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC), the fourth leading cause of cancer death, has a 5-year survival rate of approximately 7-9%. The ineffectiveness of anti-PDAC therapies is believed to be due to the existence of a subpopulation of tumor cells known as cancer stem cells (CSCs), which are functionally plastic, and have exclusive tumorigenic, chemoresistant and metastatic capacities. Herein, we describe a 2D in vitro system for long-term enrichment of pancreatic CSCs that is amenable to biological and CSC-specific studies. By changing the carbon source from glucose to galactose in vitro, we force PDAC cells to utilize OXPHOS, resulting in enrichment of CSCs defined by increased CSC biomarker and pluripotency gene expression, greater tumorigenic potential, induced but reversible quiescence, increased OXPHOS activity, enhanced invasiveness, and upregulated immune evasion properties. This CSC enrichment method can facilitate the discovery of new CSC-specific hallmarks for future development into targets for PDAC-based therapies.
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Affiliation(s)
- Sandra Valle
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Sonia Alcalá
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Laura Martin-Hijano
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Pablo Cabezas-Sáinz
- Department of Zoology, Genetics and Physical Anthropology, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | - Diego Navarro
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | | | - Lourdes Yuste
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Kanishka Tiwary
- Department of Internal Medicine I, Ulm University, Ulm, Germany
| | - Karolin Walter
- Department of Internal Medicine I, Ulm University, Ulm, Germany
| | - Laura Ruiz-Cañas
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Marta Alonso-Nocelo
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
| | - Juan A Rubiolo
- Department of Zoology, Genetics and Physical Anthropology, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | | | - Christopher Heeschen
- Stem Cells & Cancer Group, Molecular Pathology Programme, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
- Center for Single-Cell Omics and Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | | | | | - Laura Sánchez
- Department of Zoology, Genetics and Physical Anthropology, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | | | - Miguel Ángel Fernández-Moreno
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain.
- Centro de Investigación Biomédica en Red en Enfermedades Raras (CIBERER), Madrid, Spain.
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.
| | - Bruno Sainz
- Department of Biochemistry, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas "Alberto Sols" (IIBM), CSIC-UAM, Madrid, Spain.
- Cancer Stem Cells and Fibroinflammatory Microenvironment Group, Chronic Diseases and Cancer Area 3 - Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
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Watanabe R, Berry GJ, Liang DH, Goronzy JJ, Weyand CM. Cellular Signaling Pathways in Medium and Large Vessel Vasculitis. Front Immunol 2020; 11:587089. [PMID: 33072134 PMCID: PMC7544845 DOI: 10.3389/fimmu.2020.587089] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 08/25/2020] [Indexed: 12/17/2022] Open
Abstract
Autoimmune and autoinflammatory diseases of the medium and large arteries, including the aorta, cause life-threatening complications due to vessel wall destruction but also by wall remodeling, such as the formation of wall-penetrating microvessels and lumen-stenosing neointima. The two most frequent large vessel vasculitides, giant cell arteritis (GCA) and Takayasu arteritis (TAK), are HLA-associated diseases, strongly suggestive for a critical role of T cells and antigen recognition in disease pathogenesis. Recent studies have revealed a growing spectrum of effector functions through which T cells participate in the immunopathology of GCA and TAK; causing the disease-specific patterning of pathology and clinical outcome. Core pathogenic features of disease-relevant T cells rely on the interaction with endothelial cells, dendritic cells and macrophages and lead to vessel wall invasion, formation of tissue-damaging granulomatous infiltrates and induction of the name-giving multinucleated giant cells. Besides antigen, pathogenic T cells encounter danger signals in their immediate microenvironment that they translate into disease-relevant effector functions. Decisive signaling pathways, such as the AKT pathway, the NOTCH pathway, and the JAK/STAT pathway modify antigen-induced T cell activation and emerge as promising therapeutic targets to halt disease progression and, eventually, reset the immune system to reestablish the immune privilege of the arterial wall.
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Affiliation(s)
- Ryu Watanabe
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, United States
| | - David H Liang
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Jörg J Goronzy
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Cornelia M Weyand
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
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Fournel L, Boudou-Rouquette P, Prieto M, Hervochon R, Guinet C, Arrondeau J, Alexandre J, Damotte D, Wislez M, Batteux F, Icard P, Goldwasser F, Alifano M. Nivolumab increases pulmonary artery pressure in patients treated for non-small cell lung cancer. Cancer Chemother Pharmacol 2020; 86:497-505. [PMID: 32936316 DOI: 10.1007/s00280-020-04142-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/06/2020] [Indexed: 12/19/2022]
Abstract
PURPOSE The widespread use of Nivolumab results in an increasing number of side effects and adverse events. Herein, we evaluated the impact of Nivolumab on crude and normalized pulmonary artery diameter (PAD). METHODS We analyzed clinical, morphometric, pathological and radiological data of lung cancer patients treated by Nivolumab in an 18-month period. Blinded radiological evaluation was performed, by three observers measuring axial PAD and Aorta diameter (AoD) in secondarily matched pre- and post-Nivolumab CT-scans. Correlation between ΔPAD and clinicopathological data was investigated. RESULTS 59 patients receiving Nivolumab for treatment of advanced lung carcinoma were identified. Pre-and post-Nivolumab comparison of CT-scan measures revealed that mean PAD was 26.3 ± 2.8 mm versus 28.0 ± 3.0 mm (p < 0.001), and mean PAD/AoD ratio was 0.82 ± 0.09 versus 0.87 ± 0.11 (p < 0.001), respectively. Median ΔPAD was 0.05 [0.01-0.122] was significantly higher in hypometabolic patients exhibiting low Rest Energy Expenditure (p = 0.03). Patients exhibiting ΔPAD > 1% had significantly lower serum albumin level (p = 0.03), and higher nutritional risk (p = 0.02), compared to others. Unlike Nivolumab therapy, there was no increase of PAD after chemotherapy in the same cohort of patients with available scans (n = 45, 25.9 ± 2.9 mm pre-chemotherapy versus 25.7 ± 2.4 mm post-chemotherapy, p = 0.51). Anti-PD-1 treatment was associated with immune-related adverse events in 11 (18.6%) cases including 2 cases of life-threatening acute pulmonary hypertension, both exhibiting post-treatment PAD/AoD ratio > 1. CONCLUSION Nivolumab is associated to PAD enlargement, a potential marker of pulmonary hypertension, sometimes leading to lethal adverse events. Careful CT-scan and echocardiographic evaluation of PAD should be part of the therapeutic work-up of patients receiving Nivolumab, especially those suffering cancer-associated malnutrition.
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Affiliation(s)
- Ludovic Fournel
- Thoracic Surgery Department, Cochin Hospital, AP-HP.Center-University of Paris, 27 rue du Faubourg Saint-Jacques, 75014, Paris, France. .,Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.
| | - Pascaline Boudou-Rouquette
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Oncology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Mathilde Prieto
- Thoracic Surgery Department, Cochin Hospital, AP-HP.Center-University of Paris, 27 rue du Faubourg Saint-Jacques, 75014, Paris, France
| | - Remi Hervochon
- Radiology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Claude Guinet
- Radiology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Jennifer Arrondeau
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Oncology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Jérôme Alexandre
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Oncology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Diane Damotte
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Pathology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Marie Wislez
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Respiratory Medicine and Thoracic Oncology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Frédéric Batteux
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Biology and Immunology Department, AP-HP.Center, University of Paris, Paris, France
| | - Philippe Icard
- Thoracic Surgery Department, Cochin Hospital, AP-HP.Center-University of Paris, 27 rue du Faubourg Saint-Jacques, 75014, Paris, France.,INSERM U-119, UNICAEN, University of Caen-Normandy, Caen, France
| | - François Goldwasser
- Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France.,Oncology Department, Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
| | - Marco Alifano
- Thoracic Surgery Department, Cochin Hospital, AP-HP.Center-University of Paris, 27 rue du Faubourg Saint-Jacques, 75014, Paris, France.,Immunomodulatory Therapies Multidisciplinary Study Group (CERTIM), Cochin Hospital, AP-HP.Center-University of Paris, Paris, France
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37
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Haibe Y, El Husseini Z, El Sayed R, Shamseddine A. Resisting Resistance to Immune Checkpoint Therapy: A Systematic Review. Int J Mol Sci 2020; 21:E6176. [PMID: 32867025 PMCID: PMC7504220 DOI: 10.3390/ijms21176176] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/11/2020] [Accepted: 07/12/2020] [Indexed: 12/14/2022] Open
Abstract
The treatment landscape in oncology has witnessed a major revolution with the introduction of checkpoint inhibitors: anti-PD1, anti-PDL1 and anti-CTLA-4. These agents enhance the immune response towards cancer cells instead of targeting the tumor itself, contrary to standard chemotherapy. Although long-lasting durable responses have been observed with immune checkpoints inhibitors, the response rate remains relatively low in many cases. Some patients respond in the beginning but then eventually develop acquired resistance to treatment and progress. Other patients having primary resistance never respond. Multiple studies have been conducted to further elucidate these variations in response in different tumor types and different individuals. This paper provides an overview of the mechanisms of resistance to immune checkpoint inhibitors and highlights the possible therapeutic approaches under investigation aiming to overcome such resistance in order to improve the clinical outcomes of cancer patients.
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Affiliation(s)
| | | | | | - Ali Shamseddine
- Division of Hematology/Oncology, Department of Internal Medicine, American University of Beirut-Medical Center, Beirut 11-0236, Lebanon; (Y.H.); (Z.E.H.); (R.E.S.)
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38
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Watanabe R, Hashimoto M. Elucidation of disease mechanisms underlying rheumatic immune-related adverse events may lead to novel therapeutic strategies for autoimmune diseases. Ann Rheum Dis 2020; 81:e262. [PMID: 32769155 DOI: 10.1136/annrheumdis-2020-217995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 05/15/2020] [Indexed: 11/04/2022]
Affiliation(s)
- Ryu Watanabe
- Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan .,Department of Advanced Medicine for Rheumatic Disease, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Motomu Hashimoto
- Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Department of Advanced Medicine for Rheumatic Disease, Kyoto University Graduate School of Medicine, Kyoto, Japan
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39
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Kelly B, Pearce EL. Amino Assets: How Amino Acids Support Immunity. Cell Metab 2020; 32:154-175. [PMID: 32649859 DOI: 10.1016/j.cmet.2020.06.010] [Citation(s) in RCA: 208] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/06/2020] [Accepted: 06/15/2020] [Indexed: 12/18/2022]
Abstract
Amino acids are fundamental building blocks supporting life. Their role in protein synthesis is well defined, but they contribute to a host of other intracellular metabolic pathways, including ATP generation, nucleotide synthesis, and redox balance, to support cellular and organismal function. Immune cells critically depend on such pathways to acquire energy and biomass and to reprogram their metabolism upon activation to support growth, proliferation, and effector functions. Amino acid metabolism plays a key role in this metabolic rewiring, and it supports various immune cell functions beyond increased protein synthesis. Here, we review the mechanisms by which amino acid metabolism promotes immune cell function, and how these processes could be targeted to improve immunity in pathological conditions.
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Affiliation(s)
- Beth Kelly
- Max Planck Institute for Immunobiology and Epigenetics, Freiburg 79108, Germany
| | - Erika L Pearce
- Max Planck Institute for Immunobiology and Epigenetics, Freiburg 79108, Germany.
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40
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Lamberti G, Gelsomino F, Brocchi S, Poerio A, Melotti B, Sperandi F, Gargiulo M, Borghi C, Fiorentino M, Ardizzoni A. New disappearance of complicated atheromatous plaques on rechallenge with PD-1/PD-L1 axis blockade in non-small cell lung cancer patient: follow up of an unexpected event. Ther Adv Med Oncol 2020; 12:1758835920913801. [PMID: 32782484 PMCID: PMC7383634 DOI: 10.1177/1758835920913801] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 02/05/2020] [Indexed: 11/18/2022] Open
Abstract
Atherosclerosis is considered an irreversible process, with crucial contribution of inflammation and immune cells. Impact of cancer immunotherapy on a partly immune-driven disease, such as atherosclerosis, is poorly understood, but preclinical models suggest its worsening on programmed death/ligand-1 (PD-1/PD-L1) inhibitors. In a previously reported cohort of 11 patients with non-small cell lung cancer (NSCLC) treated with nivolumab and pre-existing complicated atheromatous plaques, 3 patients had a dramatic radiologic reduction of aortic plaques while on nivolumab; of these 3, 2 died receiving no further treatment. The remaining patient was an 83-year-old woman with history of arterial hypertension and hypothyroidism who was diagnosed with locally advanced squamous NSCLC. At relapse, complicated aortic atheromatous plaques were demonstrated on scans. The patient was then treated with nivolumab obtaining stable disease at radiological assessment, which also demonstrated almost complete vanishing of aortic plaques. After relapse and interval treatment with chemotherapy, she experienced new development of aortic atheromatous plaques. At further relapse she received atezolizumab, which yielded disease response and new reduction in aortic plaques, until nearly complete resolution. The observation of a repeated improvement of atheromatous plaques on treatment with PD-1/PD-L1 inhibitors favors the protective role of T cells on atheromatous plaques that is impaired by PD-L1 expression by plaque-associated macrophages. Validation by independent and prospective observation is needed.
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Affiliation(s)
- Giuseppe Lamberti
- Medical Oncology, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy
| | - Francesco Gelsomino
- Medical Oncology Unit, Policlinico S.Orsola-Malpighi, Via P. Albertoni, 15, Bologna, 40138, Italy
| | - Stefano Brocchi
- Radiology Unit, Policlinico S.Orsola-Malpighi, Bologna, Italy
| | - Antonio Poerio
- Radiology Unit, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy
| | - Barbara Melotti
- Medical Oncology Unit, Policlinico S.Orsola-Malpighi, Bologna, Italy
| | | | - Mauro Gargiulo
- Vascular Surgery, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy
| | - Claudio Borghi
- Internal Medicine, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy
| | | | - Andrea Ardizzoni
- Medical Oncology, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy
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Tricarboxylic Acid Cycle Activity and Remodeling of Glycerophosphocholine Lipids Support Cytokine Induction in Response to Fungal Patterns. Cell Rep 2020; 27:525-536.e4. [PMID: 30970255 DOI: 10.1016/j.celrep.2019.03.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/30/2019] [Accepted: 03/08/2019] [Indexed: 01/28/2023] Open
Abstract
Increased glycolysis parallels immune cell activation, but the role of pyruvate remains largely unexplored. We found that stimulation of dendritic cells with the fungal surrogate zymosan causes decreases of pyruvate, citrate, itaconate, and α-ketoglutarate, while increasing oxaloacetate, succinate, lactate, oxygen consumption, and pyruvate dehydrogenase activity. Expression of IL10 and IL23A (the gene encoding the p19 chain of IL-23) depended on pyruvate dehydrogenase activity. Mechanistically, pyruvate reinforced histone H3 acetylation, and acetate rescued the effect of mitochondrial pyruvate carrier inhibition, most likely because it is a substrate of the acetyl-CoA producing enzyme ACSS2. Mice lacking the receptor of the lipid mediator platelet-activating factor (PAF; 1-O-hexadecyl-2-acetyl-sn-glycero-3-phosphocholine) showed reduced production of IL-10 and IL-23 that is explained by the requirement of acetyl-CoA for PAF biosynthesis and its ensuing autocrine function. Acetyl-CoA therefore intertwines fatty acid remodeling of glycerophospholipids and energetic metabolism during cytokine induction.
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42
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Coleman MF, Cozzo AJ, Pfeil AJ, Etigunta SK, Hursting SD. Cell Intrinsic and Systemic Metabolism in Tumor Immunity and Immunotherapy. Cancers (Basel) 2020; 12:cancers12040852. [PMID: 32244756 PMCID: PMC7225951 DOI: 10.3390/cancers12040852] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/25/2020] [Accepted: 03/27/2020] [Indexed: 12/14/2022] Open
Abstract
Immune checkpoint inhibitor (ICI) therapy has shown extraordinary promise at treating cancers otherwise resistant to treatment. However, for ICI therapy to be effective, it must overcome the metabolic limitations of the tumor microenvironment. Tumor metabolism has long been understood to be highly dysregulated, with potent immunosuppressive effects. Moreover, T cell activation and longevity within the tumor microenvironment are intimately tied to T cell metabolism and are required for the long-term efficacy of ICI therapy. We discuss in this review the intersection of metabolic competition in the tumor microenvironment, T cell activation and metabolism, the roles of tumor cell metabolism in immune evasion, and the impact of host metabolism in determining immune surveillance and ICI therapy outcomes. We also discussed the effects of obesity and calorie restriction—two important systemic metabolic perturbations that impact intrinsic metabolic pathways in T cells as well as cancer cells.
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Affiliation(s)
- Michael F. Coleman
- Department of Nutrition, University of North Carolina, Chapel Hill, NC 27516, USA; (M.F.C.); (A.J.C.); (A.J.P.); (S.K.E.)
| | - Alyssa J. Cozzo
- Department of Nutrition, University of North Carolina, Chapel Hill, NC 27516, USA; (M.F.C.); (A.J.C.); (A.J.P.); (S.K.E.)
- Department of Medicine, Duke University, Durham, NC 27705, USA
| | - Alexander J. Pfeil
- Department of Nutrition, University of North Carolina, Chapel Hill, NC 27516, USA; (M.F.C.); (A.J.C.); (A.J.P.); (S.K.E.)
| | - Suhas K. Etigunta
- Department of Nutrition, University of North Carolina, Chapel Hill, NC 27516, USA; (M.F.C.); (A.J.C.); (A.J.P.); (S.K.E.)
| | - Stephen D. Hursting
- Department of Nutrition, University of North Carolina, Chapel Hill, NC 27516, USA; (M.F.C.); (A.J.C.); (A.J.P.); (S.K.E.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27516, USA
- Correspondence:
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43
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Fu C, Lu Y, Williams MA, Brantly ML, Ventetuolo CE, Morel LM, Mehrad B, Scott EW, Bryant AJ. Emergency myelopoiesis contributes to immune cell exhaustion and pulmonary vascular remodelling. Br J Pharmacol 2020; 178:187-202. [PMID: 31793661 PMCID: PMC8240454 DOI: 10.1111/bph.14945] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 10/04/2019] [Accepted: 11/18/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE Pulmonary hypertension (PH) secondary to chronic lung disease (World Health Organization Group 3 PH) is deadly, with lung transplant being the only available long-term treatment option. Myeloid-derived cells are known to affect progression of both pulmonary fibrosis and PH, although the mechanism of action is unknown. Therefore, we investigated the effect of myeloid cell proliferation induced by emergency myelopoiesis on development of PH and therapy directed against programmed death-ligand 1 (PD-L1), expressed by myeloid cells in prevention of pulmonary vascular remodelling. EXPERIMENTAL APPROACH LysM.Cre-DTR ("mDTR") mice were injected with bleomycin (0.018 U·g-1 , i.p.) while receiving either vehicle or diphtheria toxin (DT; 100 ng, i.p.) to induce severe PH. Approximately 4 weeks after initiation of bleomycin protocol, right ventricular pressure measurements were performed and tissue samples collected for histologic assessment. In a separate experiment, DT-treated mice were given anti-PD-L1 antibody (αPD-L1; 500 μg, i.p.) preventive treatment before bleomycin administration. KEY RESULTS Mice undergoing induction of emergency myelopoiesis displayed more severe PH, right ventricular remodelling and pulmonary vascular muscularization compared to controls, without a change in lung fibrosis. This worsening of PH was associated with increased pulmonary myeloid-derived suppressor cell (MDSC), particularly polymorphonuclear MDSC (PMN-MDSC). Treatment with αPD-L1 normalized pulmonary pressures. PD-L1 expression was likewise found to be elevated on circulating PMN-MDSC from patients with interstitial lung disease and PH. CONCLUSIONS AND IMPLICATIONS PD-L1 is a viable therapeutic target in PH, acting through a signalling axis involving MDSC. LINKED ARTICLES This article is part of a themed issue on Risk factors, comorbidities, and comedications in cardioprotection. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v178.1/issuetoc.
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Affiliation(s)
- Chunhua Fu
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Yuanqing Lu
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Mason A Williams
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Mark L Brantly
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Corey E Ventetuolo
- Division of Pulmonary, Critical Care and Sleep Medicine, Alpert Medical School of Brown University, Providence, Rhode Island
| | - Laurence M Morel
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, University of Florida, Gainesville, Florida
| | - Borna Mehrad
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida
| | - Edward W Scott
- Department of Molecular Genetics and Microbiology, University of Florida College of Medicine, University of Florida, Gainesville, Florida
| | - Andrew J Bryant
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, College of Medicine, University of Florida, Gainesville, Florida.,Department of Molecular Genetics and Microbiology, University of Florida College of Medicine, University of Florida, Gainesville, Florida
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Ramos CA, Ouyang C, Qi Y, Chung Y, Cheng CT, LaBarge MA, Seewaldt VL, Ann DK. A Non-canonical Function of BMAL1 Metabolically Limits Obesity-Promoted Triple-Negative Breast Cancer. iScience 2020; 23:100839. [PMID: 32058954 PMCID: PMC6997869 DOI: 10.1016/j.isci.2020.100839] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/03/2019] [Accepted: 01/09/2020] [Indexed: 01/01/2023] Open
Abstract
The epidemiological association between disrupted circadian rhythms and metabolic diseases is implicated in increased risk of human breast cancer and poor therapeutic outcomes. To define a metabolic phenotype and the underlying molecular mechanism, we applied chronic insulin treatment (CIT) to an in vitro model of triple-negative breast cancer to directly address how BMAL1, a key circadian transcription factor, regulates cancer cell respiration and governs tumor progression. At the cellular level, BMAL1 suppresses the flexibility of mitochondrial substrate usage and the pyruvate-dependent mitochondrial respiration induced by CIT. We established an animal model of diet-induced obesity/hyperinsulinemia and observed that BMAL1 functions as a tumor suppressor in obese, but not lean, mice. Downregulation of BMAL1 is associated with higher risk of metastasis in human breast tumors. In summary, loss of BMAL1 in tumors confers advantages to cancer cells in both intrinsic mitochondrial metabolism and extrinsic inflammatory tumor microenvironment during pre-diabetic obesity/hyperinsulinemia. Circadian regulator BMAL1 rewires metabolism in a chronic insulin-treated TNBC model Pyruvate links BMAL1 to mitochondrial bioenergetics BMAL1 suppresses tumor proliferation and metastasis in hyperinsulinemic obese mice BMAL1 influences tumor microenvironment in high-fat-diet-fed mice
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Affiliation(s)
- Cassandra A Ramos
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA; Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA
| | - Ching Ouyang
- Center for Informatics, City of Hope National Medical Center, Duarte, CA 91010, USA; Department of Computational and Quantitative Medicine, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Yue Qi
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Yiyin Chung
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Chun-Ting Cheng
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Mark A LaBarge
- Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA; Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - Victoria L Seewaldt
- Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA; Department of Population Sciences, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA
| | - David K Ann
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope, Duarte, CA 91010, USA; Irell & Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA.
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Kang JH, Jung MY, Choudhury M, Leof EB. Transforming growth factor beta induces fibroblasts to express and release the immunomodulatory protein PD-L1 into extracellular vesicles. FASEB J 2019; 34:2213-2226. [PMID: 31907984 DOI: 10.1096/fj.201902354r] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 11/15/2019] [Accepted: 11/20/2019] [Indexed: 01/14/2023]
Abstract
Transforming growth factor-beta (TGFβ) is an enigmatic protein with various roles in healthy tissue homeostasis/development as well as the development or progression of cancer, wound healing, fibrotic disorders, and immune modulation, to name a few. As TGFβ is causal to various fibroproliferative disorders featuring localized or systemic tissue/organ fibrosis as well as the activated stroma observed in various malignancies, characterizing the pathways and players mediating its action is fundamental. In the current study, we found that TGFβ induces the expression of the immunoinhibitory molecule Programed death-ligand 1 (PD-L1) in human and murine fibroblasts in a Smad2/3- and YAP/TAZ-dependent manner. Furthermore, PD-L1 knockdown decreased the TGFβ-dependent induction of extracellular matrix proteins, including collagen Iα1 (colIα1) and alpha-smooth muscle actin (α-SMA), and cell migration/wound healing. In addition to an endogenous role for PD-L1 in profibrotic TGFβ signaling, TGFβ stimulated-human lung fibroblast-derived PD-L1 into extracellular vesicles (EVs) capable of inhibiting T cell proliferation in response to T cell receptor stimulation and mediating fibroblast cell migration. These findings provide new insights and potential targets for a variety of fibrotic and malignant diseases.
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Affiliation(s)
- Jeong-Han Kang
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Mi-Yeon Jung
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Malay Choudhury
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine, Rochester, MN, USA
| | - Edward B Leof
- Thoracic Diseases Research Unit, Division of Pulmonary and Critical Care Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine, Rochester, MN, USA
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Watanabe R, Maeda T, Zhang H, Berry GJ, Zeisbrich M, Brockett R, Greenstein AE, Tian L, Goronzy JJ, Weyand CM. MMP (Matrix Metalloprotease)-9-Producing Monocytes Enable T Cells to Invade the Vessel Wall and Cause Vasculitis. Circ Res 2019; 123:700-715. [PMID: 29970365 DOI: 10.1161/circresaha.118.313206] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
RATIONALE Giant cell arteritis (GCA)-a primary vasculitis of medium and large arteries-is associated with vessel wall damage, elastic membrane fragmentation, and vascular remodeling. Proteinases are believed to contribute to pathogenesis by degrading extracellular matrix and causing tissue injury. OBJECTIVE The MMP (matrix metalloproteinase)-9-a type IV collagenase-is produced in the vasculitic lesions of GCA. It is unknown which pathogenic processes are MMP-9 dependent. METHODS AND RESULTS The tissue transcriptome of GCA-affected temporal arteries contained high amounts of MMP-9 transcripts, and immunostaining for pro-MMP-9 localized the enzyme to wall-infiltrating macrophages. MMP-2 and MMP-9 transcripts were also abundant in monocytes and monocyte-derived macrophages from patients with GCA. Patient-derived monocytes outperformed healthy monocytes in passing through engineered basement membranes. GCA CD (cluster of differentiation) 4+ T cells required MMP-9-producing monocytes to penetrate through matrix built from type IV collagen. In vivo functions of MMP-9 were tested in a human artery-SCID (severe combined immunodeficiency) chimera model by blocking enzyme activity with a highly specific monoclonal antibody or by injecting rMMP-9 (recombinant MMP-9). Inhibiting MMP-9 activity profoundly suppressed vascular injury, decreased the density of inflammatory infiltrates ( P<0.001), reduced intramural neoangiogenesis ( P<0.001), and prevented intimal layer hyperplasia ( P<0.001). rMMP-9 amplified all domains of vasculitic activity, promoted assembly of T-cell infiltrates ( P<0.05), intensified formation of new microvessels ( P<0.001), and worsened intimal thickening ( P<0.001). Systemic delivery of N-acetyl-proline-glycine-proline-a matrikine produced by MMP-9-mediated gelatinolysis-had limited vasculitogenic effects. CONCLUSIONS In large vessel vasculitis, MMP-9 controls the access of monocytes and T cells to the vascular wall. T cells depend on MMP-9-producing monocytes to pass through collagen IV-containing basement membrane. Invasion of vasculitogenic T cells and monocytes, formation of neoangiogenic networks, and neointimal growth all require the enzymatic activity of MMP-9, identifying this protease as a potential therapeutic target to restore the immunoprivilege of the arterial wall in large vessel vasculitis.
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Affiliation(s)
- Ryu Watanabe
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
| | - Toshihisa Maeda
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
| | - Hui Zhang
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
| | | | - Markus Zeisbrich
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
| | | | | | - Lu Tian
- Department of Biomedical Data Science, Stanford University School of Medicine, CA (L.T.)
| | - Jörg J Goronzy
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
| | - Cornelia M Weyand
- From the Division of Immunology and Rheumatology, Department of Medicine (R.W., T.M., H.Z., M.Z., J.J.G., C.M.W.)
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Weyand CM, Watanabe R, Zhang H, Akiyama M, Berry GJ, Goronzy JJ. Cytokines, growth factors and proteases in medium and large vessel vasculitis. Clin Immunol 2019; 206:33-41. [PMID: 30772599 PMCID: PMC6693995 DOI: 10.1016/j.clim.2019.02.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 02/13/2019] [Accepted: 02/13/2019] [Indexed: 02/06/2023]
Abstract
Giant cell arteritis and Takayasu arteritis are autoimmune vasculitides that cause aneurysm formation and tissue infarction. Extravascular inflammation consists of an intense acute phase response. Deeper understanding of pathogenic events in the vessel wall has highlighted the loss of tissue protective mechanisms, the intrusion of immune cells into "forbidden territory", and the autonomy of self-renewing vasculitic infiltrates. Adventitial vasa vasora critically control vessel wall access and drive differentiation of tissue-invasive T cells. Selected T cells establish tissue residency and build autonomous, self-sufficient inflammatory lesions. Pathogenic effector T cells intrude and survive due to failed immune checkpoint inhibition. Vasculitis-sustaining T cells and macrophages provide a broad portfolio of effector functions, involving heterogeneous populations of pro-inflammatory T cells and diverse macrophage subsets that ultimately induce wall capillarization and intimal hyperplasia. Redirecting diagnostic and therapeutic strategies from control of extravascular inflammatory markers to suppression of vascular inflammation will improve disease management.
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Affiliation(s)
- Cornelia M Weyand
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA.
| | - Ryu Watanabe
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA
| | - Hui Zhang
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA
| | - Mitsuhiro Akiyama
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, USA
| | - Jörg J Goronzy
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, USA
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The role of traditional Chinese medicine in the treatment of atherosclerosis through the regulation of macrophage activity. Biomed Pharmacother 2019; 118:109375. [PMID: 31548175 DOI: 10.1016/j.biopha.2019.109375] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 08/16/2019] [Accepted: 08/22/2019] [Indexed: 12/27/2022] Open
Abstract
Atherosclerosis (AS) is the main cause of ischemic cardiovascular, cerebrovascular and peripheral vascular diseases. Macrophage activity has been proven to play a critical role during the AS pathological process, which involves the adhesion, aggregation of mononuclear-macrophages, cell differentiation of M1/M2 macrophages as part of complex mechanisms occurring during lipid metabolism, apoptosis, autophagy, inflammation and immune reaction. Therefore, the development of effective AS treatments is likely to target macrophage activity. Certain herbal extracts (such as Salvia miltiorrhiza) have exhibited enormous potential for AS treatment in the past. Here, we aim to provide a summary on the current understanding of the type of action and the underlying target/pathway in macrophage regulation of certain herbal extracts used in Traditional Chinese Medicine for treatment of AS.
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Wade SM, Ohnesorge N, McLoughlin H, Biniecka M, Carter SP, Trenkman M, Cunningham CC, McGarry T, Canavan M, Kennedy BN, Veale DJ, Fearon U. Dysregulated miR-125a promotes angiogenesis through enhanced glycolysis. EBioMedicine 2019; 47:402-413. [PMID: 31466915 PMCID: PMC6796559 DOI: 10.1016/j.ebiom.2019.08.043] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 08/20/2019] [Accepted: 08/20/2019] [Indexed: 12/24/2022] Open
Abstract
Background Although neoangiogenesis is a hallmark of chronic inflammatory diseases such as inflammatory arthritis and many cancers, therapeutic agents targeting the vasculature remain elusive. Here we identified miR-125a as an important regulator of angiogenesis. Methods MiRNA levels were quantified in Psoriatic Arthritis (PsA) synovial-tissue by RT-PCR and compared to macroscopic synovial vascularity. HMVEC were transfected with anti-miR-125a and angiogenic mechanisms quantified using tube formation assays, transwell invasion chambers, wound repair, RT-PCR and western blot. Real-time analysis of EC metabolism was assessed using the XF-24 Extracellular-Flux Analyzer. Synovial expression of metabolic markers was assessed by immunohistochemistry and immunofluorescent staining. MiR-125a CRISPR/Cas9-based knock-out zebrafish were generated and vascular development assessed. Finally, glycolytic blockade using 3PO, which inhibits Phosphofructokinase-fructose-2,6-bisphophatase 3 (PFKFB3), was assessed in miR-125a−/− ECs and zebrafish embryos. Findings MiR-125a is significantly decreased in PsA synovium and inversely associated with macroscopic vascularity. In-vivo, CRISPR/cas9 miR-125a−/− zebrafish displayed a hyper-branching phenotype. In-vitro, miR-125a inhibition promoted EC tube formation, branching, migration and invasion, effects paralleled by a shift in their metabolic profile towards glycolysis. This metabolic shift was also observed in the PsA synovial vasculature where increased expression of glucose transporter 1 (GLUT1), PFKFB3 and Pyruvate kinase muscle isozyme M2 (PKM2) were demonstrated. Finally, blockade of PFKFB3 significantly inhibited anti-miR-125a-induced angiogenic mechanisms in-vitro, paralleled by normalisation of vascular development of CRISPR/cas9 miR-125a−/− zebrafish embryos. Intepretation Our results provide evidence that miR-125a deficiency enhances angiogenic processes through metabolic reprogramming of endothelial cells. Fund Irish Research Council, Arthritis Ireland, EU Seventh Framework Programme (612218/3D-NET).
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Affiliation(s)
- Sarah M Wade
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland; EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Nils Ohnesorge
- EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Hayley McLoughlin
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Monika Biniecka
- EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Steven P Carter
- UCD School of Biomolecular & Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland
| | - Michelle Trenkman
- EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Clare C Cunningham
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland; EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Trudy McGarry
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland; EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Mary Canavan
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland; EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Breandán N Kennedy
- UCD School of Biomolecular & Biomedical Science, UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland
| | - Douglas J Veale
- EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland
| | - Ursula Fearon
- Molecular Rheumatology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland; EULAR Centre for Arthritis and Rheumatic Diseases, Vincent's University Hospital, Dublin Academic Health Care, University College Dublin, Dublin 4, Ireland.
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Chen DP, Ning WR, Jiang ZZ, Peng ZP, Zhu LY, Zhuang SM, Kuang DM, Zheng L, Wu Y. Glycolytic activation of peritumoral monocytes fosters immune privilege via the PFKFB3-PD-L1 axis in human hepatocellular carcinoma. J Hepatol 2019; 71:333-343. [PMID: 31071366 DOI: 10.1016/j.jhep.2019.04.007] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 04/09/2019] [Accepted: 04/15/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND & AIMS Programmed cell death 1 ligand 1 (PD-L1) expression on antigen-presenting cells is essential for T cell impairment, and PD-L1-expressing macrophages may mechanistically shape and therapeutically predict the clinical efficacy of PD-L1 or programmed cell death 1 blockade. We aimed to elucidate the mechanisms underlying PD-L1 upregulation in human tumor microenvironments, which remain poorly understood despite the clinical success of immune checkpoint inhibitors. METHODS Monocytes/macrophages were purified from peripheral blood, non-tumor, or paired tumor tissues of patients with hepatocellular carcinoma (HCC), and their possible glycolytic switch was evaluated. The underlying regulatory mechanisms and clinical significance of metabolic switching were studied with both ex vivo analyses and in vitro experiments. RESULTS We found that monocytes significantly enhanced the levels of glycolysis at the peritumoral region of human HCC. The activation of glycolysis induced PD-L1 expression on these cells and subsequently attenuated cytotoxic T lymphocyte responses in tumor tissues. Mechanistically, tumor-derived soluble factors, including hyaluronan fragments, induced the upregulation of a key glycolytic enzyme, PFKFB3, in tumor-associated monocytes. This enzyme not only modulated the cellular metabolic switch but also mediated the increased expression of PD-L1 by activating the nuclear factor kappa B signaling pathway in these cells. Consistently, the levels of PFKFB3+CD68+ cell infiltration in peritumoral tissues were negatively correlated with overall survival and could serve as an independent prognostic factor for survival in patients with HCC. CONCLUSIONS Our results reveal a mechanism by which the cellular metabolic switch regulates the pro-tumor functions of monocytes in a specific human tumor microenvironment. PFKFB3 in both cancer cells and tumor-associated monocytes is a potential therapeutic target in human HCC. LAY SUMMARY Programmed cell death 1 ligand 1 (PD-L1) expressed on antigen-presenting cells, rather than tumor cells, has been reported to play an essential role in checkpoint blockade therapy. A fundamental understanding of mechanisms that regulate the expression of PD-L1 on tumor-infiltrating monocytes/macrophages will undoubtedly lead to the possibility of developing novel PD-L1 blockade strategies with high specificity and efficiency. The current study unveils a novel mechanism by which metabolic switching links immune activation responses to immune tolerance in the tumor milieu, identifying potential targets for future immune-based anti-cancer therapies.
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Affiliation(s)
- Dong-Ping Chen
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Wan-Ru Ning
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Ze-Zhou Jiang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Zhi-Peng Peng
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Ling-Yan Zhu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Shi-Mei Zhuang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Dong-Ming Kuang
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China
| | - Limin Zheng
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, PR China.
| | - Yan Wu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China.
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