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Frank MG, Ball JB, Hopkins S, Kelley T, Kuzma AJ, Thompson RS, Fleshner M, Maier SF. SARS-CoV-2 S1 subunit produces a protracted priming of the neuroinflammatory, physiological, and behavioral responses to a remote immune challenge: A role for corticosteroids. Brain Behav Immun 2024; 121:87-103. [PMID: 39043345 DOI: 10.1016/j.bbi.2024.07.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/08/2024] [Accepted: 07/20/2024] [Indexed: 07/25/2024] Open
Abstract
Long COVID is a major public health consequence of COVID-19 and is characterized by multiple neurological and neuropsychatric symptoms. SARS-CoV-2 antigens (e.g., spike S1 subunit) are found in the circulation of Long COVID patients, have been detected in post-mortem brain of COVID patients, and exhibit neuroinflammatory properties. Considering recent observations of chronic neuroinflammation in Long COVID patients, the present study explores the idea that antigens derived from SARS-CoV-2 might produce a long-term priming or sensitization of neuroinflammatory processes, thereby potentiating the magnitude and/or duration of the neuroinflammatory response to future inflammatory insults. Rats were administered S1 or vehicle intra-cisterna magna and 7d later challenged with vehicle or LPS. The neuroinflammatory, physiological, and behavioral responses to LPS were measured at various time points post-LPS. We found that prior S1 treatment potentiated many of these responses to LPS suggesting that S1 produces a protracted priming of these processes. Further, S1 produced a protracted reduction in basal brain corticosteroids. Considering the anti-inflammatory properties of corticosteroids, these findings suggest that S1 might disinhibit innate immune processes in brain by reducing anti-inflammatory drive, thereby priming neuroinflammatory processes. Given that hypocortisolism is observed in Long COVID, we propose that similar S1-induced innate immune priming processes might play role in the pathophysiology of Long COVID.
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Affiliation(s)
- Matthew G Frank
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO 80301, USA; Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA.
| | - Jayson B Ball
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Shelby Hopkins
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Tel Kelley
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Angelina J Kuzma
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Robert S Thompson
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Monika Fleshner
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80301, USA
| | - Steven F Maier
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO 80301, USA
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2
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Verberk SGS, Hahn N, Heister D, Haverkamp J, Snelder KS, de Goede KE, Gorki FS, Hendriks JJA, Houtkooper RH, Visser G, Sjouke B, Langeveld M, Van den Bossche J. Monocyte and macrophage profiles in patients with inherited long-chain fatty acid oxidation disorders. Biochim Biophys Acta Mol Basis Dis 2024; 1871:167524. [PMID: 39307292 DOI: 10.1016/j.bbadis.2024.167524] [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: 04/09/2024] [Revised: 09/17/2024] [Accepted: 09/17/2024] [Indexed: 09/28/2024]
Abstract
Patients with inherited disorders of the long-chain fatty acid oxidation (lcFAO) machinery present with a heterogeneous profile of disease manifestations and aggravation of symptoms is often triggered by inflammatory activation. Monocytes and macrophages are innate immune cells that play a major role in the onset and resolution of inflammation. These cells undergo metabolic rewiring upon activation including the regulation of the FAO rate. The rewiring of FAO and the effect of lcFAO disorders (lcFAOD) on human monocyte and macrophage phenotype and function remain largely unknown. Here, we performed extensive phenotyping of circulating monocytes and analyzed plasma cytokine levels in 11 lcFAOD patients and 11 matched control subjects. In patients with lcFAOD, we observed induced plasma levels of the inflammatory cytokines IL-1β and IL-6, and enhanced CD206 and CD62L surface marker expression in circulating monocyte subsets. To mimic the most common lcFAOD very-long-chain acyl-CoA dehydrogenase disorder (VLCADD), we used siRNA-mediated knockdown of the ACADVL gene (encoding VLCAD) in macrophages derived from healthy volunteers. Hereby, we found that siVLCAD affected IL-4-induced alternative macrophage activation while leaving LPS responses and cellular metabolism intact. In the same line, monocyte-derived macrophages from lcFAOD patients had elevated levels of the IL-4-induced alternative macrophage markers CD206 and CD200R. Still, they did not show major metabolic defects or changes in the LPS-induced inflammatory response. Our results indicate that monocytes and macrophages from lcFAOD patients present no major inflammatory or metabolic differences and show that IL-4-induced surface markers are intertwined with lcFAO in human macrophages.
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Affiliation(s)
- Sanne G S Verberk
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Nico Hahn
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Daan Heister
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Jorien Haverkamp
- Department Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Khya S Snelder
- Department Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Kyra E de Goede
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Friederieke S Gorki
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Institute of Innate Immunity, University Hospital Bonn, University of Bonn, Bonn 53127, Germany
| | - Jerome J A Hendriks
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Riekelt H Houtkooper
- Laboratory Genetic Metabolic Diseases, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands; Emma Center for Personalized Medicine, Amsterdam UMC, Amsterdam, the Netherlands
| | - Gepke Visser
- Emma Children's Hospital, Department of Pediatrics, Division of Metabolic Diseases, Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam UMC, location University of Amsterdam, Amsterdam, the Netherlands
| | - Barbara Sjouke
- Department Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands; Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - Mirjam Langeveld
- Department Endocrinology and Metabolism, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Jan Van den Bossche
- Department of Molecular Cell Biology and Immunology, Amsterdam Cardiovascular Sciences, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam Institute for Infection and Immunity, Cancer Centre Amsterdam, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands.
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3
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van den Bosch AMR, Wever D, Schonewille P, Schuller SL, Smolders J, Hamann J, Huitinga I. Cortical CD200-CD200R and CD47-SIRPα expression is associated with multiple sclerosis pathology. Brain Commun 2024; 6:fcae264. [PMID: 39175944 PMCID: PMC11339711 DOI: 10.1093/braincomms/fcae264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/18/2024] [Accepted: 08/05/2024] [Indexed: 08/24/2024] Open
Abstract
Control of microglia activity through CD200-CD200R and CD47-SIRPα interactions has been implicated in brain homeostasis. Here, we assessed CD200, CD47, CD200R and SIRPα expression with qPCR and immunohistochemistry in multiple sclerosis (MS) normal-appearing cortical grey matter (NAGM), normal-appearing white matter (NAWM), cortical grey matter (GM) lesions and perilesional GM, and compared this to control GM and white matter (WM), to investigate possible altered control of microglia in MS. In MS NAGM, CD200 expression is lower compared with control GM, specifically in cortical layers 1 and 2, and CD200 expression in NAGM negatively correlates with the cortical lesion rate. Interestingly, NAGM and NAWM CD200 expression is positively correlated, and NAGM CD200 expression negatively correlates with the proportion of active and mixed WM lesions. In GM lesions, CD200 and CD47 expressions are lower compared with NAGM and perilesional GM. CD200R expression is lower in MS NAGM, whereas SIRPα was increased in and around GM lesions. Taken together, our data indicate that CD200 and CD47 play a role in GM MS lesion formation and progression, respectively, and that targeting CD200 pathways may offer therapeutic avenues to mitigate MS pathology in both WM and GM.
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Affiliation(s)
- Aletta M R van den Bosch
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
| | - Dennis Wever
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
| | - Pleun Schonewille
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
| | - Sabine L Schuller
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
| | - Joost Smolders
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
- Department of Neurology, MS Center ErasMS, Erasmus Medical Center, Rotterdam, 3015 GD, The Netherlands
- Department of Immunology, MS Center ErasMS, Erasmus Medical Center, Rotterdam, 3015 GD, The Netherlands
| | - Jörg Hamann
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
- Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam University Medical Center, Amsterdam, 1105 AZ, The Netherlands
| | - Inge Huitinga
- Neuroimmunology Research Group, Netherlands Institute for Neuroscience, Amsterdam, 1105 BA, The Netherlands
- Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, 1054 BE, The Netherlands
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4
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Calderón-García AÁ, Valencia-Nieto L, Valencia-Sandonis C, López-de la Rosa A, Blanco-Vazquez M, Fernández I, García-Vázquez C, Arroyo-Del Arroyo C, González-García MJ, Enríquez-de-Salamanca A. Gene expression changes in conjunctival cells associated with contact lens wear and discomfort. Ocul Surf 2024; 31:31-42. [PMID: 38128761 DOI: 10.1016/j.jtos.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/27/2023] [Accepted: 12/09/2023] [Indexed: 12/23/2023]
Abstract
PURPOSE This study aimed to analyze the differences in the expression of pain-related genes in conjunctival epithelial cells among symptomatic contact lens (CL) wearers (SCLWs), asymptomatic CL wearers (ACLWs), and non-CL wearers (non-CLWs). METHODS For this study, 60 participants (20 non-CLWs, 40 CLWs) were enrolled. The CLW group comprised 20 ACLWs and 20 SCLWs according to the Contact Lens Dry Eye Questionnaire short form©. Conjunctival cells were collected using impression cytology, and RNA was isolated and used to determine the expression levels of 85 human genes involved in neuropathic and inflammatory pain. The effects of CL wear and discomfort were evaluated using mixed-effects ANOVA with partially nested fixed-effects model. Gene set enrichment analysis was performed to assign biological meaning to sets of differentially expressed genes. RESULTS Six genes (CD200, EDN1, GRIN1, PTGS1, P2RX7, and TNF) were significantly upregulated in CLWs compared to non-CLWs. Eleven genes (ADORA1, BDKRB1, CACNA1B, DBH, GRIN1, GRM1, HTR1A, PDYN, PTGS1, P2RX3, and TNF) were downregulated in SCLWs compared to ACLWs. These genes were mainly related to pain, synaptic transmission and signaling, ion transport, calcium transport and concentration, and cell-cell signaling. CONCLUSIONS CL wear modified the expression of pain- and inflammation-related genes in conjunctival epithelial cells. These changes may be in part, along with other mechanisms, responsible for CL discomfort in SCLWs.
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Affiliation(s)
- Andrés Ángel Calderón-García
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain
| | - Laura Valencia-Nieto
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain
| | - Cristina Valencia-Sandonis
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain
| | - Alberto López-de la Rosa
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain
| | - Marta Blanco-Vazquez
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - Itziar Fernández
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Networking Research Center on Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), Valladolid, Spain; Department of Statistics and Operations Research, Universidad de Valladolid, Valladolid, Spain
| | - Carmen García-Vázquez
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain
| | - Cristina Arroyo-Del Arroyo
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain
| | - María J González-García
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Department of Theoretical Physics, Atomic and Optics, Universidad de Valladolid, Valladolid, Spain; Networking Research Center on Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), Valladolid, Spain.
| | - Amalia Enríquez-de-Salamanca
- Institute of Applied Ophthalmobiology (IOBA), Universidad de Valladolid, Valladolid, Spain; Networking Research Center on Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), Valladolid, Spain
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5
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Moon SY, Han M, Ryu G, Shin SA, Lee JH, Lee CS. Emerging Immune Checkpoint Molecules on Cancer Cells: CD24 and CD200. Int J Mol Sci 2023; 24:15072. [PMID: 37894750 PMCID: PMC10606340 DOI: 10.3390/ijms242015072] [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: 09/12/2023] [Revised: 10/04/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Cancer immunotherapy strategies are based on the utilization of immune checkpoint inhibitors to instigate an antitumor immune response. The efficacy of immune checkpoint blockade, directed at adaptive immune checkpoints, has been demonstrated in select cancer types. However, only a limited subset of patients has exhibited definitive outcomes characterized by a sustained response after discontinuation of therapy. Recent investigations have highlighted the significance of immune checkpoint molecules that are overexpressed in cancer cells and inhibit myeloid lineage immune cells within a tumor microenvironment. These checkpoints are identified as potential targets for anticancer immune responses. Notably, the immune checkpoint molecules CD24 and CD200 have garnered attention owing to their involvement in tumor immune evasion. CD24 and CD200 are overexpressed across diverse cancer types and serve as signaling checkpoints by engaging their respective receptors, Siglec-10 and CD200 receptor, which are expressed on tumor-associated myeloid cells. In this review, we summarized and discussed the latest advancements and insights into CD24 and CD200 as emergent immune checkpoint moieties, further delving into their therapeutic potentials for cancer treatment.
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Affiliation(s)
- Sun Young Moon
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Minjoo Han
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Gyoungah Ryu
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Seong-Ah Shin
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
| | - Jun Hyuck Lee
- Research Unit of Cryogenic Novel Material, Korea Polar Research Institute, Incheon 21990, Republic of Korea;
- Department of Polar Sciences, University of Science and Technology, Incheon 21990, Republic of Korea
| | - Chang Sup Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.Y.M.); (M.H.); (G.R.); (S.-A.S.)
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6
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Filipescu D, Carcamo S, Agarwal A, Tung N, Humblin É, Goldberg MS, Vyas NS, Beaumont KG, Demircioglu D, Sridhar S, Ghiraldini FG, Capparelli C, Aplin AE, Salmon H, Sebra R, Kamphorst AO, Merad M, Hasson D, Bernstein E. MacroH2A restricts inflammatory gene expression in melanoma cancer-associated fibroblasts by coordinating chromatin looping. Nat Cell Biol 2023; 25:1332-1345. [PMID: 37605008 PMCID: PMC10495263 DOI: 10.1038/s41556-023-01208-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 07/20/2023] [Indexed: 08/23/2023]
Abstract
MacroH2A has established tumour suppressive functions in melanoma and other cancers, but an unappreciated role in the tumour microenvironment. Using an autochthonous, immunocompetent mouse model of melanoma, we demonstrate that mice devoid of macroH2A variants exhibit increased tumour burden compared with wild-type counterparts. MacroH2A-deficient tumours accumulate immunosuppressive monocytes and are depleted of functional cytotoxic T cells, characteristics consistent with a compromised anti-tumour response. Single cell and spatial transcriptomics identify increased dedifferentiation along the neural crest lineage of the tumour compartment and increased frequency and activation of cancer-associated fibroblasts following macroH2A loss. Mechanistically, macroH2A-deficient cancer-associated fibroblasts display increased myeloid chemoattractant activity as a consequence of hyperinducible expression of inflammatory genes, which is enforced by increased chromatin looping of their promoters to enhancers that gain H3K27ac. In summary, we reveal a tumour suppressive role for macroH2A variants through the regulation of chromatin architecture in the tumour stroma with potential implications for human melanoma.
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Affiliation(s)
- Dan Filipescu
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Saul Carcamo
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Bioinformatics for Next Generation Sequencing Facility, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Aman Agarwal
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Bioinformatics for Next Generation Sequencing Facility, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Navpreet Tung
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Étienne Humblin
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Matthew S Goldberg
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nikki S Vyas
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kristin G Beaumont
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Deniz Demircioglu
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Bioinformatics for Next Generation Sequencing Facility, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Subhasree Sridhar
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Flavia G Ghiraldini
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Claudia Capparelli
- Department of Pharmacology, Physiology and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Andrew E Aplin
- Department of Pharmacology, Physiology and Cancer Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Hélène Salmon
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Institut Curie, INSERM, U932, and PSL Research University, Paris, France
| | - Robert Sebra
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alice O Kamphorst
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Miriam Merad
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Dan Hasson
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Bioinformatics for Next Generation Sequencing Facility, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Emily Bernstein
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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7
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Álvarez B, Revilla C, Poderoso T, Ezquerra A, Domínguez J. Porcine Macrophage Markers and Populations: An Update. Cells 2023; 12:2103. [PMID: 37626913 PMCID: PMC10453229 DOI: 10.3390/cells12162103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/04/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Besides its importance as a livestock species, pig is increasingly being used as an animal model for biomedical research. Macrophages play critical roles in immunity to pathogens, tissue development, homeostasis and tissue repair. These cells are also primary targets for replication of viruses such as African swine fever virus, classical swine fever virus, and porcine respiratory and reproductive syndrome virus, which can cause huge economic losses to the pig industry. In this article, we review the current status of knowledge on porcine macrophages, starting by reviewing the markers available for their phenotypical characterization and following with the characteristics of the main macrophage populations described in different organs, as well as the effect of polarization conditions on their phenotype and function. We will also review available cell lines suitable for studies on the biology of porcine macrophages and their interaction with pathogens.
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Affiliation(s)
| | | | | | - Angel Ezquerra
- Departamento de Biotecnología, CSIC INIA, Ctra. De La Coruña, km7.5, 28040 Madrid, Spain; (B.Á.); (C.R.); (T.P.); (J.D.)
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8
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Lin CH, Talebian F, Yang L, Zhu J, Liu JQ, Zhao B, Basu S, Pan X, Chen X, Yan P, Carson WE, Xin G, Wen H, Wang R, Li Z, Ma Q, Bai XF. CD200R signaling contributes to unfavorable tumor microenvironment through regulating production of chemokines by tumor-associated myeloid cells. iScience 2023; 26:106904. [PMID: 37275530 PMCID: PMC10239067 DOI: 10.1016/j.isci.2023.106904] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 03/31/2023] [Accepted: 05/12/2023] [Indexed: 06/07/2023] Open
Abstract
CD200 is overexpressed in many solid tumors and considered as an immune checkpoint molecule dampening cancer immunity. In this study, we found that CD200R-/- mice were significantly more potent in rejecting these CD200+ tumors. scRNA sequencing demonstrated that tumors from CD200R-/- mice had more infiltration of CD4+ and CD8+ T cells, and NK cells but less infiltration of neutrophils. Antibody depletion experiments revealed that immune effector cells are crucial in inhibiting tumor growth in CD200R-/- mice. Mechanistically, we found that CD200R signaling regulates the expression of chemokines in tumor-associated myeloid cells (TAMCs). In the absence of CD200R, TAMCs increased expression of CCL24 and resulted in increased infiltration of eosinophils, which contributes to anti-tumor activity. Overall, we conclude that CD200R signaling contributes to unfavorable TME through chemokine-dependent recruitment of immune suppressive neutrophils and exclusion of anti-cancer immune effectors. Our study has implications in developing CD200-CD200R targeted immunotherapy of solid tumors.
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Affiliation(s)
- Cho-Hao Lin
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Fatemeh Talebian
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Li Yang
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Jianmin Zhu
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Jin-Qing Liu
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Bolin Zhao
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Sujit Basu
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Xueliang Pan
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Xi Chen
- Genomics Shared Resource, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Pearlly Yan
- Genomics Shared Resource, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - William E. Carson
- Department of Surgery, Division of Surgical Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Gang Xin
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
- Department of Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Haitao Wen
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
- Department of Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Ruoning Wang
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
- Department of Pediatrics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Zihai Li
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Qin Ma
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
| | - Xue-Feng Bai
- Department of Pathology, College of Medicine, The Ohio State University, Columbus, OH, USA
- Pelotonia Institute for Immuno-Oncology, Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA
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9
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Montesinos-Rongen M, Sanchez-Ruiz M, Siebert S, Winter C, Siebert R, Brunn A, Deckert M. AMD3100-mediated CXCR4 inhibition impairs development of primary lymphoma of the central nervous system. THE AMERICAN JOURNAL OF PATHOLOGY 2023:S0002-9440(23)00163-3. [PMID: 37196929 DOI: 10.1016/j.ajpath.2023.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 03/23/2023] [Accepted: 04/26/2023] [Indexed: 05/19/2023]
Abstract
A hallmark of primary lymphoma of the central nervous system (PCNSL, CNS) is the strong CXCR4 expression of the tumor cells, the function of which is still unknown. In vitro treatment of BAL17CNS lymphoma cells by AMD3100 which inhibits CXCR4-CXCL12 interactions resulted in the significantly differential expression of 273 genes encoding proteins involved in cell motility, cell-cell signaling and interaction, hematological system development and function, and immunological disease. Among the genes downregulated was the one encoding CD200, a regulator of CNS immunological activity. These data directly translated into the in vivo situation; BAL17CNS CD200 expression was downregulated by 89% (3% vs. 28% CD200+ lymphoma cells) in AMD3100-treated vs. untreated mice with BAL17CNS-induced PCNSL. Reduced lymphoma cell CD200 expression may contribute to the markedly increased microglial activation in AMD3100-treated mice. AMD3100 also maintained the structural integrity of blood-brain barrier tight junctions and the outer basal lamina of cerebral blood vessels. Subsequently, lymphoma cell invasion of the brain parenchyma was impaired and maximal parenchymal tumor size was significantly reduced by 82% in the induction phase. Thus, AMD3100 qualified as potentially attractive candidate to be included into the therapeutic concept of PCNSL. Beyond therapy, CXCR4-induced suppression of microglial activity is of general neuroimmunological interest and identifies CD200 expressed by the lymphoma cells as a novel mechanism of immune escape in PCNSL.
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Affiliation(s)
- Manuel Montesinos-Rongen
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Monica Sanchez-Ruiz
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Susann Siebert
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Claudia Winter
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Reiner Siebert
- Institute of Human Genetics, Ulm University and Ulm University Medical Center, Ulm, Germany
| | - Anna Brunn
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; present address: Institute of Neuropathology, University Hospital Düsseldorf and Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Martina Deckert
- Institute of Neuropathology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; present address: Institute of Neuropathology, University Hospital Düsseldorf and Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
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10
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Shao A, Owens DM. The immunoregulatory protein CD200 as a potentially lucrative yet elusive target for cancer therapy. Oncotarget 2023; 14:96-103. [PMID: 36738455 PMCID: PMC9899099 DOI: 10.18632/oncotarget.28354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
CD200 is an immunoregulatory cell surface ligand with proven pro-tumorigenic credentials via its ability to suppress CD200 receptor (CD200R)-expressing anti-tumor immune function. This definitive role for the CD200-CD200R axis in regulating an immunosuppressive tumor microenvironment has garnered increasing interest in CD200 as a candidate target for immune checkpoint inhibition therapy. However, while the CD200 blocking antibody samalizumab is still in the early stages of clinical testing, alternative mechanisms for the pro-tumorigenic role of CD200 have recently emerged that extend beyond direct suppression of anti-tumor T cell responses and, as such, may not be susceptible to CD200 antibody blockade. Herein, we will summarize the current understanding of CD200 expression and function in the tumor microenvironment as well as alternative strategies for potential neutralization of multiple CD200 mechanisms in human cancers.
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Affiliation(s)
- Anqi Shao
- 1Department of Dermatology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA
| | - David M. Owens
- 1Department of Dermatology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA,2Department of Pathology and Cell Biology, Columbia University Irving Medical Center, Vagelos College of Physicians and Surgeons, New York, NY 10032, USA,Correspondence to:David M. Owens, email:
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11
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Jung S, Kim Y, Park D, Lee Y, Park S, Baek J, Hwang SW, Park SH, Yang SK, Ye BD, Han B, Song K, Lee HS. Case-case genome-wide association analysis identifying genetic loci with divergent effects on Crohn's disease and ulcerative colitis. Hum Mol Genet 2023; 32:677-684. [PMID: 36164742 DOI: 10.1093/hmg/ddac241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/07/2022] [Accepted: 09/21/2022] [Indexed: 02/07/2023] Open
Abstract
Crohn's disease (CD) and ulcerative colitis (UC), two major subtypes of inflammatory bowel disease, show substantial differences in their clinical course and treatment response. To identify the genetic factors underlying the distinct characteristics of these two diseases, we performed a genome-wide association study (GWAS) between CD (n = 2359) and UC (n = 2175) in a Korean population, followed by replication in an independent sample of 772 CD and 619 UC cases. Two novel loci were identified with divergent effects on CD and UC: rs9842650 in CD200 and rs885026 in NCOR2. In addition, the seven established susceptibility loci [major histocompatibility complex (MHC), TNFSF15, OTUD3, USP12, IL23R, FCHSD2 and RIPK2] reached genome-wide significance. Of the nine loci, six (MHC, TNFSF15, OTUD3, USP12, IL23R and CD200) were replicated in the case-case GWAS of European populations. The proportion of variance explained in CD-UC status by polygenic risk score analysis was up to 22.6%. The area under the receiver-operating characteristic curve value was 0.74, suggesting acceptable discrimination between CD and UC. This CD-UC GWAS provides new insights into genetic differences between the two diseases with similar symptoms and might be useful in improving their diagnosis and treatment.
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Affiliation(s)
- Seulgi Jung
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Yongjae Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Dohoon Park
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Yoonho Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sojung Park
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jiwon Baek
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sung Wook Hwang
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Sang Hyoung Park
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Suk-Kyun Yang
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Byong Duk Ye
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Buhm Han
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Kyuyoung Song
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Ho-Su Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
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12
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Linley H, Ogden A, Jaigirdar S, Buckingham L, Cox J, Priestley M, Saunders A. CD200R1 promotes interleukin-17 production by group 3 innate lymphoid cells by enhancing signal transducer and activator of transcription 3 activation. Mucosal Immunol 2023; 16:167-179. [PMID: 36623588 PMCID: PMC10270648 DOI: 10.1016/j.mucimm.2023.01.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Accepted: 01/03/2023] [Indexed: 01/08/2023]
Abstract
Psoriasis is a common chronic inflammatory skin disease with no cure. It is driven by the interleukin (IL)-23/IL-17A axis and type 17 T helper cells; however, recently, group 3 innate lymphoid cells (ILC3s) have also been implicated. Despite being the focus of much research, factors regulating the activity of ILC3s remain incompletely understood. Immune regulatory pathways are particularly important at barrier sites, such as the skin, gut, and lungs, which are exposed to environmental substances and microbes. CD200R1 is an immune regulatory cell surface receptor that inhibits proinflammatory cytokine production in myeloid cells. CD200R1 is also highly expressed on ILCs, where its function remains largely unexplored. We previously observed reduced CD200R1 signaling in psoriasis-affected skin, suggesting that dysregulation may promote disease. Here, we show that contrary to this, psoriasis models are less severe in CD200R1-deficient mice due to reduced IL-17 production. Here, we uncover a key cell-intrinsic role for CD200R1 in promoting IL-23-driven IL-17A production by ILC3s by promoting signal transducer and activator of transcription 3 activation. Therefore, contrary to its inhibitory role in myeloid cells, CD200R1 is required on ILC3 to promote IL-23-stimulated signal transducer and activator of transcription 3 activation, triggering optimal IL-17 production.
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Affiliation(s)
- Holly Linley
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Alice Ogden
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Shafqat Jaigirdar
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Lucy Buckingham
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Joshua Cox
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Megan Priestley
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Amy Saunders
- Manchester Collaborative Centre for Inflammation Research, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, Division of Infection, Immunity and Respiratory Medicine, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.
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13
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Fellermeyer M, Anzilotti C, Paluch C, Cornall RJ, Davis SJ, Gileadi U. Combination CD200R/PD-1 blockade in a humanised mouse model. IMMUNOTHERAPY ADVANCES 2023; 3:ltad006. [PMID: 37082107 PMCID: PMC10112683 DOI: 10.1093/immadv/ltad006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/29/2023] [Indexed: 04/22/2023] Open
Abstract
There is an increasing number of immune-checkpoint inhibitors being developed and approved for cancer immunotherapy. Most of the new therapies aim to reactivate tumour-infiltrating T cells, which are responsible for tumour killing. However, in many tumours, the most abundant infiltrating immune cells are macrophages and myeloid cells, which can be tumour-promoting as well as tumouricidal. CD200R was initially identified as a myeloid-restricted, inhibitory immune receptor, but was subsequently also found to be expressed within the lymphoid lineage. Using a mouse model humanised for CD200R and PD-1, we investigated the potential of a combination therapy comprising nivolumab, a clinically approved PD-1 blocking antibody, and OX108, a CD200R antagonist. We produced nivolumab as a murine IgG1 antibody and validated its binding activity in vitro as well as ex vivo. We then tested the combination therapy in the immunogenic colorectal cancer model MC38 as well as the PD-1 blockade-resistant lung cancer model LLC1, which is characterised by a large number of infiltrating myeloid cells, making it an attractive target for CD200R blockade. No significant improvement of overall survival was found in either model, compared to nivolumab mIgG1 monotherapy. There was a trend for more complete responses in the MC38 model, but investigation of the infiltrating immune cells failed to account for this. Importantly, MC38 cells expressed low levels of CD200, whereas LLC1 cells were CD200-negative. Further investigation of CD200R-blocking antibodies in tumours expressing high levels of CD200 could be warranted.
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Affiliation(s)
- Martin Fellermeyer
- MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Consuelo Anzilotti
- MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, UK
| | - Christopher Paluch
- MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, UK
| | - Richard J Cornall
- MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Nuffield Department of Medicine, Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, UK
- CAMS Oxford Institute, Henry Wellcome Building for Molecular Physiology, University of Oxford, Oxford, UK
| | - Simon J Davis
- MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK
- Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Uzi Gileadi
- Correspondence: MRC Human Immunology Unit, John Radcliffe Hospital, University of Oxford, Oxford, UK.
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14
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Madani J, Aghebati-Maleki L, Gharibeh N, Pourakbari R, Yousefi M. Fetus, as an allograft, evades the maternal immunity. Transpl Immunol 2022; 75:101728. [DOI: 10.1016/j.trim.2022.101728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 10/09/2022] [Accepted: 10/09/2022] [Indexed: 11/05/2022]
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15
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van der Pan K, de Bruin-Versteeg S, Damasceno D, Hernández-Delgado A, van der Sluijs-Gelling AJ, van den Bossche WBL, de Laat IF, Díez P, Naber BAE, Diks AM, Berkowska MA, de Mooij B, Groenland RJ, de Bie FJ, Khatri I, Kassem S, de Jager AL, Louis A, Almeida J, van Gaans-van den Brink JAM, Barkoff AM, He Q, Ferwerda G, Versteegen P, Berbers GAM, Orfao A, van Dongen JJM, Teodosio C. Development of a standardized and validated flow cytometry approach for monitoring of innate myeloid immune cells in human blood. Front Immunol 2022; 13:935879. [PMID: 36189252 PMCID: PMC9519388 DOI: 10.3389/fimmu.2022.935879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
Innate myeloid cell (IMC) populations form an essential part of innate immunity. Flow cytometric (FCM) monitoring of IMCs in peripheral blood (PB) has great clinical potential for disease monitoring due to their role in maintenance of tissue homeostasis and ability to sense micro-environmental changes, such as inflammatory processes and tissue damage. However, the lack of standardized and validated approaches has hampered broad clinical implementation. For accurate identification and separation of IMC populations, 62 antibodies against 44 different proteins were evaluated. In multiple rounds of EuroFlow-based design-testing-evaluation-redesign, finally 16 antibodies were selected for their non-redundancy and separation power. Accordingly, two antibody combinations were designed for fast, sensitive, and reproducible FCM monitoring of IMC populations in PB in clinical settings (11-color; 13 antibodies) and translational research (14-color; 16 antibodies). Performance of pre-analytical and analytical variables among different instruments, together with optimized post-analytical data analysis and reference values were assessed. Overall, 265 blood samples were used for design and validation of the antibody combinations and in vitro functional assays, as well as for assessing the impact of sample preparation procedures and conditions. The two (11- and 14-color) antibody combinations allowed for robust and sensitive detection of 19 and 23 IMC populations, respectively. Highly reproducible identification and enumeration of IMC populations was achieved, independently of anticoagulant, type of FCM instrument and center, particularly when database/software-guided automated (vs. manual “expert-based”) gating was used. Whereas no significant changes were observed in identification of IMC populations for up to 24h delayed sample processing, a significant impact was observed in their absolute counts after >12h delay. Therefore, accurate identification and quantitation of IMC populations requires sample processing on the same day. Significantly different counts were observed in PB for multiple IMC populations according to age and sex. Consequently, PB samples from 116 healthy donors (8-69 years) were used for collecting age and sex related reference values for all IMC populations. In summary, the two antibody combinations and FCM approach allow for rapid, standardized, automated and reproducible identification of 19 and 23 IMC populations in PB, suited for monitoring of innate immune responses in clinical and translational research settings.
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Affiliation(s)
- Kyra van der Pan
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | | | - Daniela Damasceno
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Alejandro Hernández-Delgado
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | | | - Wouter B. L. van den Bossche
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
- Department of Immunology, Department of Neurosurgery, Brain Tumor Center, Erasmus Medical Center, University Medical Center Rotterdam, Rotterdam, Netherlands
| | - Inge F. de Laat
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Paula Díez
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | | | - Annieck M. Diks
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | | | - Bas de Mooij
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Rick J. Groenland
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Fenna J. de Bie
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Indu Khatri
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Sara Kassem
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Anniek L. de Jager
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Alesha Louis
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Julia Almeida
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | | | - Alex-Mikael Barkoff
- Institute of Biomedicine, Research Center for Infections and Immunity, University of Turku (UTU), Turku, Finland
| | - Qiushui He
- Institute of Biomedicine, Research Center for Infections and Immunity, University of Turku (UTU), Turku, Finland
| | - Gerben Ferwerda
- Section of Paediatric Infectious Diseases, Laboratory of Medical Immunology, Radboud Institute for Molecular Life Sciences, Nijmegen, Netherlands
| | - Pauline Versteegen
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Guy A. M. Berbers
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Alberto Orfao
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
| | - Jacques J. M. van Dongen
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
- *Correspondence: Jacques J. M. van Dongen,
| | - Cristina Teodosio
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
- Translational and Clinical Research Program, Cancer Research Center (IBMCC; University of Salamanca - CSIC), Cytometry Service, NUCLEUS, Department of Medicine, University of Salamanca (Universidad de Salamanca, and Institute of Biomedical Research of Salamanca (IBSAL), Salamanca, Spain
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Linley H, Jaigirdar S, Mohamed K, Griffiths CEM, Saunders A. Reduced cutaneous CD200:CD200R1 signaling in psoriasis enhances neutrophil recruitment to skin. Immun Inflamm Dis 2022; 10:e648. [PMID: 35759230 PMCID: PMC9168552 DOI: 10.1002/iid3.648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/01/2022] [Accepted: 05/11/2022] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION The skin immune system is tightly regulated to prevent inappropriate inflammation in response to harmless environmental substances. This regulation is actively maintained by mechanisms including cytokines and cell surface receptors and its loss results in inflammatory disease. In the case of psoriasis, inappropriate immune activation leads to IL-17-driven chronic inflammation, but molecular mechanisms underlying this loss of regulation are not well understood. Immunoglobulin family member CD200 and its receptor, CD200R1, are important regulators of inflammation. Therefore, we determined if this pathway is dysregulated in psoriasis, and how this affects immune cell activity. METHODS Human skin biopsies were examined by quantitative polymerase chain reaction, flow cytometry, and immunohistochemistry. The role of CD200R1 in regulating psoriasis-like skin inflammation was examined using CD200R1 blocking antibodies in mouse psoriasis models. CD200R1 blocking antibodies were also used in an in vivo neutrophil recruitment assay and in vitro assays to examine macrophage, innate lymphoid cell, γδ T cell, and neutrophil activity. RESULTS We reveal that CD200 and signaling via CD200R1 are reduced in non-lesional psoriasis skin. In mouse models of psoriasis CD200R1 was shown to limit psoriasis-like inflammation by enhancing acanthosis, CCL20 production and neutrophil recruitment, but surprisingly, macrophage function and IL-17 production were not affected, and neutrophil reactive oxygen species production was reduced. CONCLUSION Collectively, these data show that CD200R1 affects neutrophil function and limits inflammatory responses in healthy skin by restricting neutrophil recruitment. However, the CD200 pathway is reduced in psoriasis, resulting in a loss of immune control, and increased neutrophil recruitment in mouse models. In conclusion, we highlight CD200R1:CD200 as a pathway that might be targeted to dampen inflammation in patients with psoriasis.
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Affiliation(s)
- Holly Linley
- Manchester Collaborative Centre for Inflammation ResearchManchesterUK
- School of Biological Science, Manchester Academic Health Science Centre, Division of Infection and Respiratory Medicine, Lydia Becker Institute of Immunology and Inflammation, >aculty of BiologyMedicine and Health, University of ManchesterManchesterUK
| | - Shafqat Jaigirdar
- Manchester Collaborative Centre for Inflammation ResearchManchesterUK
- School of Biological Science, Manchester Academic Health Science Centre, Division of Infection and Respiratory Medicine, Lydia Becker Institute of Immunology and Inflammation, >aculty of BiologyMedicine and Health, University of ManchesterManchesterUK
| | - Karishma Mohamed
- Manchester Collaborative Centre for Inflammation ResearchManchesterUK
- School of Biological Science, Manchester Academic Health Science Centre, Division of Infection and Respiratory Medicine, Lydia Becker Institute of Immunology and Inflammation, >aculty of BiologyMedicine and Health, University of ManchesterManchesterUK
| | - Christopher E. M. Griffiths
- School of Biological Science, Manchester Academic Health Science Centre, Division of Infection and Respiratory Medicine, Lydia Becker Institute of Immunology and Inflammation, >aculty of BiologyMedicine and Health, University of ManchesterManchesterUK
- Centre for Dermatology Research, Manchester Academic Health Science CentreThe University of Manchester and Salford Royal NHS Foundation TrustManchesterUK
- Manchester Biomedical Research Centre, Manchester Academic Health Science Centre, National Institute for Health ResearchManchester University National Health Service Foundation TrustManchesterUK
| | - Amy Saunders
- Manchester Collaborative Centre for Inflammation ResearchManchesterUK
- School of Biological Science, Manchester Academic Health Science Centre, Division of Infection and Respiratory Medicine, Lydia Becker Institute of Immunology and Inflammation, >aculty of BiologyMedicine and Health, University of ManchesterManchesterUK
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Immunosuppressive cells in cancer: mechanisms and potential therapeutic targets. J Hematol Oncol 2022; 15:61. [PMID: 35585567 PMCID: PMC9118588 DOI: 10.1186/s13045-022-01282-8] [Citation(s) in RCA: 170] [Impact Index Per Article: 85.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/03/2022] [Indexed: 02/08/2023] Open
Abstract
Immunotherapies like the adoptive transfer of gene-engineered T cells and immune checkpoint inhibitors are novel therapeutic modalities for advanced cancers. However, some patients are refractory or resistant to these therapies, and the mechanisms underlying tumor immune resistance have not been fully elucidated. Immunosuppressive cells such as myeloid-derived suppressive cells, tumor-associated macrophages, tumor-associated neutrophils, regulatory T cells (Tregs), and tumor-associated dendritic cells are critical factors correlated with immune resistance. In addition, cytokines and factors secreted by tumor cells or these immunosuppressive cells also mediate the tumor progression and immune escape of cancers. Thus, targeting these immunosuppressive cells and the related signals is the promising therapy to improve the efficacy of immunotherapies and reverse the immune resistance. However, even with certain success in preclinical studies or in some specific types of cancer, large perspectives are unknown for these immunosuppressive cells, and the related therapies have undesirable outcomes for clinical patients. In this review, we comprehensively summarized the phenotype, function, and potential therapeutic targets of these immunosuppressive cells in the tumor microenvironment.
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Poderoso T, De la Riva PM, Álvarez B, Domínguez J, Ezquerra Á, Revilla C. CD200R family receptors are expressed on porcine monocytes and modulate the production of IL-8 and TNF-α triggered by TLR4 or TLR7 in these cells. Mol Immunol 2022; 144:166-177. [DOI: 10.1016/j.molimm.2022.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 10/19/2022]
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19
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Frank MG, Nguyen KH, Ball JB, Hopkins S, Kelley T, Baratta MV, Fleshner M, Maier SF. SARS-CoV-2 spike S1 subunit induces neuroinflammatory, microglial and behavioral sickness responses: Evidence of PAMP-like properties. Brain Behav Immun 2022; 100:267-277. [PMID: 34915155 PMCID: PMC8667429 DOI: 10.1016/j.bbi.2021.12.007] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/30/2021] [Accepted: 12/09/2021] [Indexed: 12/19/2022] Open
Abstract
SARS-CoV-2 infection produces neuroinflammation as well as neurological, cognitive (i.e., brain fog), and neuropsychiatric symptoms (e.g., depression, anxiety), which can persist for an extended period (6 months) after resolution of the infection. The neuroimmune mechanism(s) that produces SARS-CoV-2-induced neuroinflammation has not been characterized. Proposed mechanisms include peripheral cytokine signaling to the brain and/or direct viral infection of the CNS. Here, we explore the novel hypothesis that a structural protein (S1) derived from SARS-CoV-2 functions as a pathogen-associated molecular pattern (PAMP) to induce neuroinflammatory processes independent of viral infection. Prior evidence suggests that the S1 subunit of the SARS-CoV-2 spike protein is inflammatory in vitro and signals through the pattern recognition receptor TLR4. Therefore, we examined whether the S1 subunit is sufficient to drive 1) a behavioral sickness response, 2) a neuroinflammatory response, 3) direct activation of microglia in vitro, and 4) activation of transgenic human TLR2 and TLR4 HEK293 cells. Adult male Sprague-Dawley rats were injected intra-cisterna magna (ICM) with vehicle or S1. In-cage behavioral monitoring (8 h post-ICM) demonstrated that S1 reduced several behaviors, including total activity, self-grooming, and wall-rearing. S1 also increased social avoidance in the juvenile social exploration test (24 h post-ICM). S1 increased and/or modulated neuroimmune gene expression (Iba1, Cd11b, MhcIIα, Cd200r1, Gfap, Tlr2, Tlr4, Nlrp3, Il1b, Hmgb1) and protein levels (IFNγ, IL-1β, TNF, CXCL1, IL-2, IL-10), which varied across brain regions (hypothalamus, hippocampus, and frontal cortex) and time (24 h and 7d) post-S1 treatment. Direct exposure of microglia to S1 resulted in increased gene expression (Il1b, Il6, Tnf, Nlrp3) and protein levels (IL-1β, IL-6, TNF, CXCL1, IL-10). S1 also activated TLR2 and TLR4 receptor signaling in HEK293 transgenic cells. Taken together, these findings suggest that structural proteins derived from SARS-CoV-2 might function independently as PAMPs to induce neuroinflammatory processes via pattern recognition receptor engagement.
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Affiliation(s)
- Matthew G Frank
- Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States.
| | - Kathy H Nguyen
- Department of Integrative Physiology, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Jayson B Ball
- Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Shelby Hopkins
- Department of Integrative Physiology, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Tel Kelley
- Department of Integrative Physiology, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Michael V Baratta
- Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Monika Fleshner
- Department of Integrative Physiology, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
| | - Steven F Maier
- Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80301, United States
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20
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Li Y, Kong Y, Shi K, Huang Y, Zhang Q, Zhu B, Zeng H, Wang X. CD200R Combined Neutrophil-Lymphocyte Ratio Predict 90-Day Mortality in HBV-Related Acute-On-Chronic Liver Failure. Front Med (Lausanne) 2021; 8:762296. [PMID: 34938747 PMCID: PMC8685236 DOI: 10.3389/fmed.2021.762296] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/17/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Survival of acute-on-chronic liver failure (ACLF) cannot be properly predicted based on clinical characteristics. Aims: This study aimed to develop a predictive model to evaluating the prognosis for hepatitis B virus-related ACLF (HBV-ACLF) based on specific laboratory and immune indicators. Methods: Baseline laboratory results were obtained and immune indicators were detected by flow cytometry. A predictive model, which estimates the prognosis at 90-day follow-up, was developed using data from a prospective study on 45 patients hospitalized of HBV-ACLF from June 2016 to April 2018 at the Beijing Ditan Hospital, Capital Medical University. The prognostic values of the predictive factors were determined by the area under the receiver operating characteristic (AUROC) curves. Results: Six factors exhibited statistical differences between the survival and non-survival groups: proportions of CD4+TN, CD4+TEM, CD8+TN, CD8+TEM, CD200R+CD4+T cells and neutrophil-lymphocyte ratio (NLR). CD200R combined with the NLR had an AUROC of 0.916, which was significantly higher than the AUROC values of CD200R+CD4+T cells (0.868), NLR (0.761), model for end-stage liver disease (MELD) (0.840), MELD-Na (0.870), Child-Turcotte-Pugh (CTP) (0.580), or chronic liver failure-consortium ACLF (CLIF-C ACLF) score(0.840). At the cut-off point of−3.87, matching the maximum Youden index determined by ROC analysis, the positive predictive and negative predictive values for the mortality were 0.86 and 0.97, respectively. Conclusions: The 90-day prediction model based on baseline levels of CD200R+CD4+T cells and NLR offers potential predictive value for the mortality of HBV-ACLF.
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Affiliation(s)
- Yuxin Li
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Yaxian Kong
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Ke Shi
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Yunyi Huang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Qun Zhang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Bingbing Zhu
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Hui Zeng
- Biomedical Innovation Center, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Xianbo Wang
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
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21
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Li WX, Xu XH, Jin LP. Regulation of the innate immune cells during pregnancy: An immune checkpoint perspective. J Cell Mol Med 2021; 25:10362-10375. [PMID: 34708495 PMCID: PMC8581333 DOI: 10.1111/jcmm.17022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 09/03/2021] [Accepted: 10/04/2021] [Indexed: 12/17/2022] Open
Abstract
The foetus can be regarded as a half‐allograft implanted into the maternal body. In a successful pregnancy, the mother does not reject the foetus because of the immune tolerance mechanism at the maternal‐foetal interface. The innate immune cells are a large part of the decidual leukocytes contributing significantly to a successful pregnancy. Although the contributions have been recognized, their role in human pregnancy has not been completely elucidated. Additionally, the accumulated evidence demonstrates that the immune checkpoint molecules expressed on the immune cells are co‐inhibitory receptors regulating their activation and biological function. Therefore, it is critical to understand the immune microenvironment and explore the function of the innate immune cells during pregnancy. This review summarizes the classic immune checkpoints such as PD‐1, CTLA‐4 and some novel molecules recently identified, including TIM‐3, CD200, TIGIT and the Siglecs family on the decidual and peripheral innate immune cells during pregnancy. Furthermore, it emphasizes the role of the immune checkpoint molecules in pregnancy‐associated complications and reproductive immunotherapy.
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Affiliation(s)
- Wen-Xuan Li
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xiang-Hong Xu
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Department of Biobank, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Li-Ping Jin
- Shanghai Key Laboratory of Maternal-Fetal Medicine, Clinical and Translational Research Center, Department of Biobank, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
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22
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Staub RB, Marcondes NA, Rotta LN. CD200 expression in hematopoietic neoplasms: Beyond a marker for diagnosis of B-cell neoplasms. Crit Rev Oncol Hematol 2021; 167:103509. [PMID: 34688895 DOI: 10.1016/j.critrevonc.2021.103509] [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: 04/25/2021] [Revised: 08/31/2021] [Accepted: 10/10/2021] [Indexed: 10/20/2022] Open
Abstract
CD200 (OX-2) is expressed in myeloid cells, B cells, subsets of T cells and on other normal and neoplastic non-hematopoietic cells. It interacts with CD200R and has a suppressive effect on T cells immune mediated response. We aimed to review CD200 expression and its role in the immune evasion of non-B cell hematopoietic neoplasms. In acute myeloid leukemia, CD200 seems to be related to the worst outcome, even in diseases of good prognosis, possibly due to an immunosuppressive effect. In plasma cell myeloma studies, while some have associated CD200 expression with worst prognosis possibly due to its suppressive effect on monocyte and T cell-mediated immune response, in others CD200 appeared to be a marker of a better outcome, or even showed no impact in event-free survival (EFS). Few studies have evaluated CD200 expression in T cell neoplasms; however, it appears to be a good immunophenotypic marker for angioimmunoblastic T cell lymphoma. In conclusion, CD200 appears to be involved in the immune evasion of malignant cells, which could affect the survival of these patients.
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Affiliation(s)
- Renata B Staub
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | | | - Liane N Rotta
- Programa de Pós-Graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil; Departamento de Métodos Diagnósticos, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.
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23
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Arad T, Fainstein N, Goldfarb S, Lachish M, Ganz T, Ben-Hur T. CD200 -dependent and -independent immune-modulatory functions of neural stem cells. Stem Cell Res 2021; 56:102559. [PMID: 34634761 DOI: 10.1016/j.scr.2021.102559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 09/23/2021] [Accepted: 09/29/2021] [Indexed: 10/20/2022] Open
Abstract
Neural stem/precursor cells (NPC) exhibit powerful immune-modulatory properties. Attenuation of neuroinflammation by intra-cerebroventricular transplantation of NPC, protects from immune-mediated demyelination and axonal injury. The immune modulatory properties of NPC are mediated by a non-species-specific, multiple bystander effect, mediated by both direct cell-cell contact, and by soluble factor(s). CD200 is a cell-surface molecule, with important roles in regulating diverse immune responses, and shown also to limit neuroinflammatory processes. We hypothesized that CD200 may play a role in mediating immune-modulatory effects of NPC. We used wild type and CD200-deficient NPC to examine the role of CD200 in mediating two vital aspects of NPC -immune modulatory properties: (1) Attenuation of autoimmune neuroinflammation; and (2) Suppression of immune rejection response towards transplanted allogeneic NPC from the host CNS. We found that CD200 is dispensable for attenuating acute experimental autoimmune neuroinflammation, but is required for protecting transplanted allogeneic NPC from immune rejection by the host tissue. CD200 deficient NPC showed similar growth, differentiation and survival properties as wild type NPC. CD200-deficient NPC attenuated efficiently T cell activation and proliferation, but exhibited reduced ability to inhibit macrophages. We conclude that CD200 plays a partial role in mediating the immune-modulatory properties of NPC. The differential effect on T cells versus macrophages may underlie the observed discrepancy in their function in vivo.
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Affiliation(s)
- Tal Arad
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Nina Fainstein
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Smadar Goldfarb
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Marva Lachish
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Tal Ganz
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
| | - Tamir Ben-Hur
- Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah - Hebrew University Medical Center, Jerusalem, Israel
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24
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Ischemic stroke and infection: A brief update on mechanisms and potential therapies. Biochem Pharmacol 2021; 193:114768. [PMID: 34543657 DOI: 10.1016/j.bcp.2021.114768] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/15/2021] [Accepted: 09/15/2021] [Indexed: 01/01/2023]
Abstract
Ischemic stroke triggers a multifaceted inflammatory response in the brain that contributes to secondary brain injury and infarct expansion. In parallel with brain inflammation, ischemic stroke also leads to post-stroke immunosuppression. Stroke-induced leukopenia then predisposes patients to opportunistic infections potentially leading to pneumonia or unrinary tract infections and a worsened stroke outcome. There is evidence that the hypothalamic-pituitaryadrenal axis plays an important role in the etiology of post-stroke immunosuppression, by which prolonged glucocorticoid signalling leads to changes in immune responses. While opportunistic microbes in hospitals have been thought to be the source of infection, recent studies have reported that gut flora may also be a cause of post-stroke infection as a consequence of compromised integrity of the gut barrier after stroke. While antimicrobial drugs would appear to be a rational form of treatment for bacterial infections in stroke patients, the rise in drug-resistant bacteria and possible adverse effects of disrupting beneficial gut flora represent major challenges with these drugs. Considering the prominent role of gut microbiota in modulating immune responses, protecting and restoring the post-stroke gut bacteriome may provide significant benefit in the context of post-stroke infection. With such broad aspects of post-stroke infection occurring together with an extensive inflammatory response in the brain, a carefully considered administration of therapies for ischemic stroke is warranted.
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25
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Role of the Immune System Elements in Pulmonary Arterial Hypertension. J Clin Med 2021; 10:jcm10163757. [PMID: 34442052 PMCID: PMC8397145 DOI: 10.3390/jcm10163757] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/11/2021] [Accepted: 08/20/2021] [Indexed: 02/08/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a relatively rare disease, but, today, its incidence tends to increase. The severe course of the disease and poor patient survival rate make PAH a major diagnostic and therapeutic challenge. For this reason, a thorough understanding of the pathogenesis of the disease is essential to facilitate the development of more effective therapeutic targets. Research shows that the development of PAH is characterized by a number of abnormalities within the immune system that greatly affect the progression of the disease. In this review, we present key data on the regulated function of immune cells, released cytokines and immunoregulatory molecules in the development of PAH, to help improve diagnosis and targeted immunotherapy.
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26
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Al Mamun A, Ngwa C, Qi S, Honarpisheh P, Datar S, Sharmeen R, Xu Y, McCullough LD, Liu F. Neuronal CD200 Signaling Is Protective in the Acute Phase of Ischemic Stroke. Stroke 2021; 52:3362-3373. [PMID: 34353112 DOI: 10.1161/strokeaha.120.032374] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND PURPOSE CD200 (cluster of differentiation 200), a highly glycosylated protein primarily expressed on neurons in the central nervous system, binds with its receptor CD200R to form an endogenous inhibitory signal against immune responses. However, little is known about the effect of neuronal CD200 signaling in cerebral ischemia. The aim of this study was to investigate how neuronal CD200 signaling impacts poststroke inflammation and the ischemic injury. METHODS CD200 tma1lf/fl:Thy1CreER mice were treated with tamoxifen to induce conditional gene knockout (ICKO) of neuronal CD200. The mice were subjected to a 60-minute transient middle cerebral artery occlusion. Stroke outcomes, apoptotic cell death, immune cell infiltration, microglia activation, and other inflammatory profiles were evaluated at 3 and 7 days after stroke. RESULTS Infarct volumes were significantly larger, and behavioral deficits more severe in ICKO versus control mice at 3 days after middle cerebral artery occlusion. Terminal deoxynucleotidyl transferase dUTP nick end labeling assay also revealed a significant increase in apoptotic neuronal death in CD200 ICKO mice. An enhancement in lymphocytic infiltration and microglial proinflammatory responses were revealed by flow cytometry at 3 and 7 days after stroke in ICKO mice, accompanied by an increased microglial phagocytosis activity. Plasma proinflammatory cytokine (TNFα [tumor necrosis factor alpha] and IL [interleukin]-1β) levels significantly increased at 3 days, and IL-1β/IL-6 levels increased at 7 days in ICKO versus control animals. ICKO led to significantly lower baseline level of CD200 both in brain and plasma. CONCLUSIONS Neuronal CD200 inhibits proinflammatory responses and is protective against stroke injury.
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Affiliation(s)
- Abdullah Al Mamun
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Conelius Ngwa
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Shaohua Qi
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Pedram Honarpisheh
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Saumil Datar
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Romana Sharmeen
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Yan Xu
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Louise D McCullough
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
| | - Fudong Liu
- Department of Neurology, The University of Texas Health Science Center at Houston, McGovern Medical School, Houston
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Khan IZ, Del Guzzo CA, Shao A, Cho J, Du R, Cohen AO, Owens DM. The CD200-CD200R axis promotes squamous cell carcinoma metastasis via regulation of cathepsin K. Cancer Res 2021; 81:5021-5032. [PMID: 34183355 DOI: 10.1158/0008-5472.can-20-3251] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 04/05/2021] [Accepted: 06/24/2021] [Indexed: 11/16/2022]
Abstract
The CD200-CD200R immunoregulatory signaling axis plays an etiological role in the survival and spread of numerous cancers primarily through suppression of anti-tumor immune surveillance. Our previous work outlined a pro-metastatic role for the CD200-CD200R axis in cutaneous squamous cell carcinoma (cSCC) that is independent of direct T cell suppression but modulates the function of infiltrating myeloid cells. To identify effectors of the CD200-CD200R axis important for cSCC metastasis, we conducted RNA-Seq profiling of infiltrating CD11B+Cd200R+ cells isolated from CD200+ versus CD200-null cSCCs and identified the cysteine protease cathepsin K (Ctsk) to be highly upregulated in CD200+ cSCCs. CD11B+Cd200R+ cells expressed phenotypic markers associated with myeloid-derived suppressor cell-like cells and tumor-associated macrophages and were the primary source of Ctsk expression in cSCC. A Cd200R+ myeloid cell-cSCC co-culture system showed that induction of Ctsk was dependent on engagement of the CD200-CD200R axis, indicating that Ctsk is a target gene of this pathway in the cSCC tumor microenvironment. Inhibition of Ctsk, but not matrix metalloproteinases (MMP), significantly blocked cSCC cell migration in vitro. Finally, targeted CD200 disruption in tumor cells and Ctsk pharmacological inhibition significantly reduced cSCC metastasis in vivo. Collectively, these findings support the conclusion that CD200 stimulates cSCC invasion and metastasis via induction of Ctsk in CD200R+ infiltrating myeloid cells.
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Affiliation(s)
| | | | | | | | - Rong Du
- Dermatology, Columbia University
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28
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The CD200 Regulates Inflammation in Mice Independently of TNF-α Production. Int J Mol Sci 2021; 22:ijms22105358. [PMID: 34069671 PMCID: PMC8161250 DOI: 10.3390/ijms22105358] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/06/2021] [Accepted: 05/14/2021] [Indexed: 11/16/2022] Open
Abstract
Inflammatory bowel disease is characterized by the infiltration of immune cells and chronic inflammation. The immune inhibitory receptor, CD200R, is involved in the downregulation of the activation of immune cells to prevent excessive inflammation. We aimed to define the role of CD200R ligand-CD200 in the experimental model of intestinal inflammation in conventionally-reared mice. Mice were given a dextran sodium sulfate solution in drinking water. Bodyweight loss was monitored daily and the disease activity index was calculated, and a histological evaluation of the colon was performed. TNF-α production was measured in the culture of small fragments of the distal colon or bone marrow-derived macrophages (BMDMs) cocultured with CD200+ cells. We found that Cd200-/- mice displayed diminished severity of colitis when compared to WT mice. Inflammation significantly diminished CD200 expression in WT mice, particularly on vascular endothelial cells and immune cells. The co-culture of BMDMs with CD200+ cells inhibited TNF-α secretion. In vivo, acute colitis induced by DSS significantly increased TNF-α secretion in colon tissue in comparison to untreated controls. However, Cd200-/- mice secreted a similar level of TNF-α to WT mice in vivo. CD200 regulates the severity of DSS-induced colitis in conventionally-reared mice. The presence of CD200+ cells decreases TNF-α production by macrophages in vitro. However, during DDS-induced intestinal inflammation secretion of TNF-α is independent of CD200 expression.
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29
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Kim TH, Yan JJ, Jang JY, Lee GM, Lee SK, Kim BS, Chung JJ, Kim SH, Jung Y, Yang J. Tissue-engineered vascular microphysiological platform to study immune modulation of xenograft rejection. SCIENCE ADVANCES 2021; 7:7/22/eabg2237. [PMID: 34049875 PMCID: PMC8163083 DOI: 10.1126/sciadv.abg2237] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
Most of the vascular platforms currently being studied are lab-on-a-chip types that mimic capillary networks and are applied for vascular response analysis in vitro. However, these platforms have a limitation in clearly assessing the physiological phenomena of native blood vessels compared to in vivo evaluation. Here, we developed a simply fabricable tissue-engineered vascular microphysiological platform (TEVMP) with a three-dimensional (3D) vascular structure similar to an artery that can be applied for ex vivo and in vivo evaluation. Furthermore, we applied the TEVMP as ex vivo and in vivo screening systems to evaluate the effect of human CD200 (hCD200) overexpression in porcine endothelial cells (PECs) on vascular xenogeneic immune responses. These screening systems, in contrast to 2D in vitro and cellular xenotransplantation in vivo models, clearly demonstrated that hCD200 overexpression effectively suppressed vascular xenograft rejection. The TEVMP has a high potential as a platform to assess various vascular-related responses.
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Affiliation(s)
- Tae Hee Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Ji-Jing Yan
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Joon Young Jang
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
| | - Gwang-Min Lee
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Medicine, Graduate School, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sun-Kyung Lee
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Medicine, Graduate School, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Beom Seok Kim
- Division of Nephrology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Justin J Chung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Soo Hyun Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Youngmee Jung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea.
- School of Electrical and Electronic Engineering, YU-KIST Institute, Yonsei University, Seoul, Republic of Korea
| | - Jaeseok Yang
- Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
- Transplantation Center, Seoul National University hospital, Seoul, Republic of Korea
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30
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Zhai Y, Moosavi R, Chen M. Immune Checkpoints, a Novel Class of Therapeutic Targets for Autoimmune Diseases. Front Immunol 2021; 12:645699. [PMID: 33968036 PMCID: PMC8097144 DOI: 10.3389/fimmu.2021.645699] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/02/2021] [Indexed: 12/14/2022] Open
Abstract
Autoimmune diseases, such as multiple sclerosis and type-1 diabetes, are the outcomes of a failure of immune tolerance. Immune tolerance is sustained through interplays between two inter-dependent clusters of immune activities: immune stimulation and immune regulation. The mechanisms of immune regulation are exploited as therapeutic targets for the treatment of autoimmune diseases. One of these mechanisms is immune checkpoints (ICPs). The roles of ICPs in maintaining immune tolerance and hence suppressing autoimmunity were revealed in animal models and validated by the clinical successes of ICP-targeted therapeutics for autoimmune diseases. Recently, these roles were highlighted by the clinical discovery that the blockade of ICPs causes autoimmune disorders. Given the crucial roles of ICPs in immune tolerance, it is plausible to leverage ICPs as a group of therapeutic targets to restore immune tolerance and treat autoimmune diseases. In this review, we first summarize working mechanisms of ICPs, particularly those that have been utilized for therapeutic development. Then, we recount the agents and approaches that were developed to target ICPs and treat autoimmune disorders. These agents take forms of fusion proteins, antibodies, nucleic acids, and cells. We also review and discuss safety information for these therapeutics. We wrap up this review by providing prospects for the development of ICP-targeting therapeutics. In summary, the ever-increasing studies and results of ICP-targeting of therapeutics underscore their tremendous potential to become a powerful class of medicine for autoimmune diseases.
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Affiliation(s)
- Yujia Zhai
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
| | - Reza Moosavi
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
| | - Mingnan Chen
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, United States
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Tomaszewski M, Grywalska E, Topyła-Putowska W, Błaszczak P, Kurzyna M, Roliński J, Kopeć G. High CD200 Expression on T CD4+ and T CD8+ Lymphocytes as a Non-Invasive Marker of Idiopathic Pulmonary Hypertension-Preliminary Study. J Clin Med 2021; 10:jcm10050950. [PMID: 33804413 PMCID: PMC7957729 DOI: 10.3390/jcm10050950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/17/2021] [Accepted: 02/24/2021] [Indexed: 12/18/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) can develop subsequently to disorganized endothelial cell proliferation within the pulmonary arteriolar layers that provide mechanical limits to the pulmonary vascular bed. Although the actual factor triggering vascular endothelial proliferation remains unknown to date, genetic susceptibility, hypoxia, inflammation, as well as response to drugs and toxins have been proposed as possible contributors. Since inflammation contributes to vascular remodeling, the changed immune response is increasingly considered a plausible cause of this cardiovascular disease. The interaction of a membrane glycoprotein cluster of differentiation 200 (CD200) and its structurally similar receptor (CD200R) plays a crucial role in the modulation of the inflammatory response. Our previous studies have shown that the overexpression of the other negative co-stimulatory molecule (programmed death cell-PD-1) and its ligand-1 (PD-L1) is closely related to iPAH and the presence of Epstein-Barr virus (EBV) reactivation markers. Therefore, we considered it necessary to analyze the different types of PAH in terms of CD200 and CD200R expression and to correlate CD200/CD200R pathway expression with important clinical and laboratory parameters. The CD200/C200R-signaling pathway has not been subject to much research. We included 70 treatment-naïve, newly diagnosed patients with PAH in our study. They were further divided into subsets according to the pulmonary hypertension classification: chronic thromboembolic pulmonary hypertension (CTEPH) subset, pulmonary arterial hypertension associated with congenital heart disease (CHD-PAH), pulmonary arterial hypertension associated with connective tissue disease (CTD-PAH), and idiopathic pulmonary arterial hypertension (iPAH). The control group consisted of 20 healthy volunteers matched for sex and age. The highest percentages of T CD200+CD4+ and T CD200+CD8+ lymphocytes were observed in the group of patients with iPAH and this finding was associated with the presence of EBV DNA in the peripheral blood. Our assessment of the peripheral blood lymphocytes expression of CD200 and CD200R indicates that these molecules act as negative co-stimulators in the induction and persistence of PAH-associated inflammation, especially that of iPAH. Similar results imply that the dysregulation of the CD200/CD200R axis may be involved in the pathogenesis of several immune diseases. Our work suggests that CD200 and CD200R expression may serve to distinguish between PAH cases. Thus, CD200 and CD200R might be useful as markers in managing PAH and should be further investigated.
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Affiliation(s)
- Michał Tomaszewski
- Department of Cardiology, Medical University of Lublin, 20-954 Lublin, Poland; (M.T.); (W.T.-P.)
| | - Ewelina Grywalska
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland;
- Correspondence: ; Tel.: +48-81448-6420
| | - Weronika Topyła-Putowska
- Department of Cardiology, Medical University of Lublin, 20-954 Lublin, Poland; (M.T.); (W.T.-P.)
| | - Piotr Błaszczak
- Department of Cardiology, Cardinal Wyszynski Hospital, 20-718 Lublin, Poland;
| | - Marcin Kurzyna
- Department of Pulmonary Circulation, Thromboembolic Diseases and Cardiology, Centre of Postgraduate Medical Education, European Health Centre Otwock, 05-400 Otwock, Poland;
| | - Jacek Roliński
- Department of Clinical Immunology and Immunotherapy, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Grzegorz Kopeć
- Pulmonary Circulation Center, Department of Cardiac and Vascular Diseases, Faculty of Medicine, Jagiellonian University Medical College, 31-008 Kraków, Poland;
- Department of Cardiac and Vascular Diseases, Centre for Rare Cardiovascular Diseases, John Paul II Hospital, 31-202 Krakow, Poland
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Mantovani A, Marchesi F, Jaillon S, Garlanda C, Allavena P. Tumor-associated myeloid cells: diversity and therapeutic targeting. Cell Mol Immunol 2021; 18:566-578. [PMID: 33473192 PMCID: PMC8027665 DOI: 10.1038/s41423-020-00613-4] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 11/25/2020] [Indexed: 12/15/2022] Open
Abstract
Myeloid cells in tumor tissues constitute a dynamic immune population characterized by a non-uniform phenotype and diverse functional activities. Both tumor-associated macrophages (TAMs), which are more abundantly represented, and tumor-associated neutrophils (TANs) are known to sustain tumor cell growth and invasion, support neoangiogenesis and suppress anticancer adaptive immune responses. In recent decades, several therapeutic approaches have been implemented in preclinical cancer models to neutralize the tumor-promoting roles of both TAMs and TANs. Some of the most successful strategies have now reached the clinic and are being investigated in clinical trials. In this review, we provide an overview of the recent literature on the ever-growing complexity of the biology of TAMs and TANs and the development of the most promising approaches to target these populations therapeutically in cancer patients.
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Affiliation(s)
- Alberto Mantovani
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy.
- Department of Biomedical Science, Humanitas University, Rozzano, Italy.
- The William Harvey Research Institute, Queen Mary University of London, London, UK.
| | - Federica Marchesi
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
- Department of Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Sebastien Jaillon
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
- Department of Biomedical Science, Humanitas University, Rozzano, Italy
| | - Cecilia Garlanda
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
- Department of Biomedical Science, Humanitas University, Rozzano, Italy
| | - Paola Allavena
- Department of Immunology and Inflammation, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
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Membrane-associated and secreted forms of the Rhesus macaque rhadinovirus-encoded CD200 homologue and cellular CD200 demonstrate differential effects on Rhesus Macaque CD200 Receptor signaling and regulation of myeloid cell activation. J Virol 2021; 95:JVI.01654-20. [PMID: 33328302 PMCID: PMC8092840 DOI: 10.1128/jvi.01654-20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The CD200-CD200R pathway is involved in inhibition of immune responses, and the importance of this pathway to infectious disease is highlighted by the fact that viral CD200 (vCD200) molecules have been found to be encoded by several DNA viruses, including the human gammaherpesvirus Kaposi's sarcoma-associated herpesvirus (KSHV), and the closely related rhesus macaque rhadinovirus (RRV). KSHV vCD200 is the most extensively studied vCD200 molecule, however, the only herpesvirus vCD200 molecule to be examined in vivo is that encoded by RRV. Our prior studies have demonstrated that RRV vCD200 is a functional CD200 homologue that is capable of affecting immune responses in vivo, and further, that RRV can express a secreted form of vCD200 (vCD200-Sec) during infection. Despite this information, RRV vCD200 has not been examined specifically for effects on RM CD200R signaling, and the functionality of vCD200-Sec has not been examined in any context. Thus, we developed an in vitro model system in which B cells expressing vCD200 were utilized to assess the effects of this molecule on the regulation of myeloid cells expressing RM CD200R, mimicking interactions that are predicted to occur in vivo Our findings suggest that RRV vCD200 can bind and induce functional signals through RM CD200R, while vCD200-Sec represents a non-functional protein incapable of affecting CD200R signaling. We also provide the first demonstration of the function of RM CD200, which appears to possess more robust signaling capabilities than RRV vCD200, and also show that KSHV vCD200 does not efficiently induce signaling via RM CD200R.IMPORTANCE Viral CD200 homologues are encoded by KSHV and the closely related RRV. Though RRV vCD200 has been examined, questions still exist in regard to the ability of this molecule to induce signaling via rhesus macaque CD200R, as well as the potential function of a secreted form of vCD200. Further, all previous in vitro studies of RRV vCD200 have utilized an Fc fusion protein to examine functionality, which does not replicate the structural properties of the membrane-associated form of vCD200 that is naturally produced during RRV infection. In this study, we demonstrate for the first time that membrane-expressed RRV vCD200 is capable of inducing signal transduction via RM CD200R, while the secreted form of vCD200 appears to be non-functional. Further, we also demonstrate that RM CD200 induces signaling via RM CD200R, and is more robust than RRV vCD200, while KSHV vCD200 does not appear to induce efficient signaling via RM CD200R.
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Su Y, Yamazaki S, Morisue R, Suzuki J, Yoshikawa T, Nakatsura T, Tsuboi M, Ochiai A, Ishii G. Tumor-Infiltrating T Cells Concurrently Overexpress CD200R with Immune Checkpoints PD-1, CTLA-4, and TIM-3 in Non-Small-Cell Lung Cancer. Pathobiology 2020; 88:218-227. [PMID: 33321503 DOI: 10.1159/000511557] [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: 08/19/2020] [Accepted: 09/13/2020] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION CD200R has been reported to be the receptor for the immune checkpoint molecule CD200 and can transduce immune-suppressive signals. In this study, we mainly focused on the expression level of CD200R in T cells in pulmonary artery (PA) blood and non-small-cell lung cancer (NSCLC) tumor tissue. METHODS Immune cells were isolated from dissected tumor samples and PA blood of NSCLC patients and analyzed with multiparameter flow cytometry. The co-expression of CD200R with other immune checkpoints, including programmed cell death protein 1 (PD-1), cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), and T cell immunoglobulin and mucin domain-containing protein 3 (TIM-3), was also investigated. RESULTS CD200R expression was observed on the surface of approximately 75% of T cells among tumor-infiltrating leukocytes (TILs). Compared to T cells extracted from TILs, only 55% of T cells extracted from PA blood exhibited CD200R expression. Moreover, with higher expression of CD200R, the expression of other immune checkpoints, including PD-1, CTLA-4, and TIM-3, was also increased in tumor-infiltrating T cells compared to T cells in PA blood. CONCLUSIONS Our results showed that those tumors were dominated by T cells expressing CD200R together with other checkpoints, which suggests a phenotypic change after T cell infiltration into the tumor, such as T cell exhaustion.
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Affiliation(s)
- Yinghan Su
- Laboratory of Cancer Biology, Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan.,Division of Pathology, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan
| | - Shota Yamazaki
- Laboratory of Cancer Biology, Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan.,Division of Pathology, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan
| | - Ryo Morisue
- Division of Pathology, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan.,Department of Hepatobiliary and Pancreatic Surgery, National Cancer Center Hospital East, Kashiwa, Japan
| | - Jun Suzuki
- Division of Pathology, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan.,Department of Thoracic Surgery, National Cancer Center Hospital East, Kashiwa, Japan
| | - Toshiaki Yoshikawa
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan
| | - Tetsuya Nakatsura
- Division of Cancer Immunotherapy, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan
| | - Masahiro Tsuboi
- Department of Thoracic Surgery, National Cancer Center Hospital East, Kashiwa, Japan
| | - Atsushi Ochiai
- Laboratory of Cancer Biology, Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan.,Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan
| | - Genichiro Ishii
- Laboratory of Cancer Biology, Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Kashiwa, Japan, .,Division of Pathology, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan, .,Department of Pathology and Clinical Laboratories, National Cancer Center Hospital East, Kashiwa, Japan,
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Zhao SC, Heng X, Ya-Ping W, Di L, Wen-Qian W, Ling-Song M, Chu ZH, Xu Y. CD200-CD200R1 signaling pathway regulates neuroinflammation after stroke. Brain Behav 2020; 10:e01882. [PMID: 33067924 PMCID: PMC7749562 DOI: 10.1002/brb3.1882] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/23/2020] [Accepted: 09/23/2020] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVE To study how the CD200-CD200R1 signaling pathway modulates poststroke inflammation and advances our knowledge of immune responses to ischemia insults in stroke. METHODS Focal middle cerebral artery occlusion (MCAO) was induced in mice for 90 min, and mice were sacrificed at 1, 3, and 7 days of reperfusion. CD200, CD200R1, iNOS, and Arg-1 expression in ischemic brains was assessed by Western blotting (WB), and immunohistochemical (IHC) staining was performed to examine the expression of CD200 on neurons and CD200R1 on infiltrating lymphocytes. The severity of neurobehavioral deficits was evaluated by neurological deficit scores (NDS) and infarction volume estimated by TTC staining. To study the relationship between CD200/CD200R1 expression and the diversity of the neuroinflammatory response in stroke, CD200Fc (CD200R1 agonist) was subcutaneously injected at onset, at 1 day and 2 days after MCAO operation, and the brains were collected for detection at 3 days after MCAO/R (reperfusion). RESULTS CD200 expression on neurons increased at 1 day and then decreased at 3 days after MCAO/R, and the expression of CD200R1 on lymphocytes showed an opposite temporal pattern as tested by IHC. The WB results showed that CD200/CD200R1 variance exhibited a similar pattern of IHC results, and the level of iNOS peaked at 1 day and then decreased gradually, but Arg-1 increased with time after MCAO/R in ischemic brains. After CD200Fc injection, CD200R1 expression significantly increased, and CD200Fc promoted Arg-1 but inhibited iNOS expression. The infarct volume and NDS of the group treated with CD200Fc were significantly smaller than those of the IgG2a-treated group. CONCLUSIONS The CD200-CD200R1 signaling pathway regulates neuroinflammation after stroke. Stimulation of CD200R1 by CD200Fc promotes the anti-inflammatory response and alleviates ischemic injury.
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Affiliation(s)
- Shou-Cai Zhao
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Xu Heng
- Department of Neurology, Zhu Madian Central Hospital, Zhumadian, China
| | - Wang Ya-Ping
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Luan Di
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Wu Wen-Qian
- Department of Neurology, The Second Affiliated Hospital of Wannan Medical College, Wuhu, China
| | - Ma Ling-Song
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Zhao-Hu Chu
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China
| | - Yang Xu
- Department of Neurology, Wannan Medical College, Yijishan Hospital, Wuhu, China.,Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, The First Affiliated Hospital of Wannan Medical College, Wuhu, China
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Heninger E, Sethakorn N, Kosoff D, Hematti P, Kuczler MD, Pienta KJ, Lang JM. Immune profiling of the bone marrow microenvironment in patients with high-risk localized prostate cancer. Oncotarget 2020; 11:4253-4265. [PMID: 33245727 PMCID: PMC7679037 DOI: 10.18632/oncotarget.27817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 10/29/2020] [Indexed: 01/03/2023] Open
Abstract
Bone marrow (BM) is a primary metastatic site in prostate cancer (PC) and bone invasion is considered incurable. T cell-mediated immune surveillance is essential in controlling both tumorigenesis and initiation of metastases. Beside tropism, dissemination of PC cells to the BM may be facilitated by defects in BM immune homeostasis predisposing this niche to colonization. To evaluate the BM immune microenvironment in locally advanced, non-metastatic PC, we performed flow cytometry analysis of myeloid and lymphoid subsets in BM aspirates and peripheral blood collected during prostatectomy. Healthy BM aspirates served to establish a reference range for comparison. We found alterations in BM immune composition of PC patients, including an increased CD4/CD8 ratio, enrichment of CD4+ T cells, increased CD56+CD3+ NKT and CD56+CD3- NK yields compared to healthy controls. The lymphoid phenotype remained comparable regarding T cell activation and chemokine receptor-based polarization patterns. Additionally, we found increased B7H3 expression in the myeloid monocyte/macrophage subset and decreased DC infiltration in BM of PC patients. These findings suggest that alterations in the immune milieu may limit immune surveillance that compromise the ability of the BM microenvironment to prevent tumor dissemination, and predispose development of bone metastases in a subset of patients with localized PC.
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Affiliation(s)
- Erika Heninger
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA
| | - Nan Sethakorn
- Department of Oncology, University of Wisconsin, Madison, WI, USA
| | - David Kosoff
- Department of Medicine, University of Wisconsin, Madison, WI, USA
| | - Peiman Hematti
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA.,Department of Medicine, University of Wisconsin, Madison, WI, USA
| | - Morgan D Kuczler
- Department of Urology, The James Buchanan Brady Urological Institute, Baltimore, MD, USA
| | - Kenneth J Pienta
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins School of Medicine, Baltimore, MD, USA.,Department of Urology, The James Buchanan Brady Urological Institute, Baltimore, MD, USA.,Department of Pharmacology and Molecular Sciences, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Joshua M Lang
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA.,Department of Medicine, University of Wisconsin, Madison, WI, USA
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Pangault C, Amé-Thomas P, Rossille D, Dulong J, Caron G, Nonn C, Chatonnet F, Desmots F, Launay V, Lamy T, Fest T, Tarte K. Integrative Analysis of Cell Crosstalk within Follicular Lymphoma Cell Niche: Towards a Definition of the FL Supportive Synapse. Cancers (Basel) 2020; 12:cancers12102865. [PMID: 33028033 PMCID: PMC7599549 DOI: 10.3390/cancers12102865] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/29/2020] [Accepted: 09/30/2020] [Indexed: 01/08/2023] Open
Abstract
Simple Summary Follicular lymphoma, the most frequent indolent non-Hodgkin’s B cell lymphoma, arises from a germinal center B cell proliferation supported by a multidirectional crosstalk with the tumor microenvironment, in particular with follicular helper T cells and mesenchymal stromal cells. Here, we explored this complex network, starting from a comparative analysis of the molecular signatures of B cells, T cells, and stromal cells obtained from normal versus lymphoma tissues, and focusing on deregulated genes reflecting the crosstalk between these three cell subsets organizing the lymphoma cell niche. This helps us to point out new lymphoma-specific pathways, related to transcriptomic and functional specific features of T and stromal cells, and contributing to tumor B cell support directly or through the recruitment and/or activation of other pro-tumoral cell components. In the future, targeting these cell interactions with specific drugs in the FL niche could represent an attractive option for novel therapeutic strategies. Abstract Follicular lymphoma (FL), the most frequent indolent non-Hodgkin’s B cell lymphoma, is considered as a prototypical centrocyte-derived lymphoma, dependent on a specific microenvironment mimicking the normal germinal center (GC). In agreement, several FL genetic alterations affect the crosstalk between malignant B cells and surrounding cells, including stromal cells and follicular helper T cells (Tfh). In our study, we sought to deconvolute this complex FL supportive synapse by comparing the transcriptomic profiles of GC B cells, Tfh, and stromal cells, isolated from normal versus FL tissues, in order to identify tumor-specific pathways. In particular, we highlighted a high expression of IL-6 and IL-7 in FL B cells that could favor the activation of FL Tfh overexpressing IFNG, able in turn to stimulate FL B cells without triggering MHC (major histocompatibility) class II expression. Moreover, the glycoprotein clusterin was found up-regulated in FL stromal cells and could promote FL B cell adhesion. Finally, besides its expression on Tfh, CD200 was found overexpressed on tumor B cells and could contribute to the induction of the immunosuppressive enzyme indoleamine-2,3 dioxygenase by CD200R-expressing dendritic cells. Altogether our findings led us to outline the contribution of major signals provided by the FL microenvironment and their interactions with malignant FL B cells.
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Affiliation(s)
- Céline Pangault
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Patricia Amé-Thomas
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Immunologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Delphine Rossille
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Suivi Immunologique des Thérapeutiques Innovantes (SITI), Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Joëlle Dulong
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Suivi Immunologique des Thérapeutiques Innovantes (SITI), Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Gersende Caron
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Céline Nonn
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Fabrice Chatonnet
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Fabienne Desmots
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Vincent Launay
- Service Hématologie Clinique, Centre Hospitalier Yves Le Fol, F-22000 Saint Brieuc, France;
| | - Thierry Lamy
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Service Hématologie Clinique, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
| | - Thierry Fest
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Hématologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
- Correspondence: (T.F.); (K.T.); Tel.: +33-(0)-223-234-512 (K.T.)
| | - Karin Tarte
- UMR_S 1236, Univ Rennes, INSERM, Établissement Français du Sang (EFS) Bretagne, LabEx IGO, F-35000 Rennes, France; (C.P.); (P.A.-T.); (D.R.); (J.D.); (G.C.); (C.N.); (F.C.); (F.D.); (T.L.)
- Laboratoire Immunologie, Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
- Laboratoire Suivi Immunologique des Thérapeutiques Innovantes (SITI), Centre Hospitalier Universitaire de Rennes, F-35000 Rennes, France
- Correspondence: (T.F.); (K.T.); Tel.: +33-(0)-223-234-512 (K.T.)
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Jaillon S, Ponzetta A, Di Mitri D, Santoni A, Bonecchi R, Mantovani A. Neutrophil diversity and plasticity in tumour progression and therapy. Nat Rev Cancer 2020; 20:485-503. [PMID: 32694624 DOI: 10.1038/s41568-020-0281-y] [Citation(s) in RCA: 559] [Impact Index Per Article: 139.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/04/2020] [Indexed: 12/11/2022]
Abstract
Neutrophils play a key role in defence against infection and in the activation and regulation of innate and adaptive immunity. In cancer, tumour-associated neutrophils (TANs) have emerged as an important component of the tumour microenvironment. Here, they can exert dual functions. TANs can be part of tumour-promoting inflammation by driving angiogenesis, extracellular matrix remodelling, metastasis and immunosuppression. Conversely, neutrophils can also mediate antitumour responses by direct killing of tumour cells and by participating in cellular networks that mediate antitumour resistance. Neutrophil diversity and plasticity underlie the dual potential of TANs in the tumour microenvironment. Myeloid checkpoints as well as the tumour and tissue contexture shape neutrophil function in response to conventional therapies and immunotherapy. We surmise that neutrophils can provide tools to tailor current immunotherapy strategies and pave the way to myeloid cell-centred therapeutic strategies, which would be complementary to current approaches.
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Affiliation(s)
- Sebastien Jaillon
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy.
- Humanitas Clinical and Research Center IRCCS, Rozzano (MI), Italy.
| | - Andrea Ponzetta
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy
- Humanitas Clinical and Research Center IRCCS, Rozzano (MI), Italy
| | - Diletta Di Mitri
- Humanitas Clinical and Research Center IRCCS, Rozzano (MI), Italy
| | - Angela Santoni
- Dipartimento di Medicina Molecolare Istituto Pasteur-Fondazione Cenci Bolognetti, Università di Roma 'La Sapienza', Rome, Italy
- IRCCS Neuromed, Pozzilli (IS), Italy
| | - Raffaella Bonecchi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy
- Humanitas Clinical and Research Center IRCCS, Rozzano (MI), Italy
| | - Alberto Mantovani
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy.
- Humanitas Clinical and Research Center IRCCS, Rozzano (MI), Italy.
- The William Harvey Research Institute, Queen Mary University of London, London, UK.
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McKenna M, McDougall JJ. Cannabinoid control of neurogenic inflammation. Br J Pharmacol 2020; 177:4386-4399. [PMID: 33289534 DOI: 10.1111/bph.15208] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/02/2020] [Accepted: 07/13/2020] [Indexed: 01/16/2023] Open
Abstract
A significant number of cannabinoids are known to have analgesic and anti-inflammatory properties in various diseases. Due to their presynaptic/terminal location, cannabinoid receptors can inhibit synaptic transmission and have the potential to regulate neurogenic inflammation. Neurogenic inflammation occurs when a noxious signal is detected in the periphery initiating an antidromic axon reflex in the same sensory neurone leading to depolarization of the afferent terminal. Neuropeptides are subsequently released and contribute to vasodilation, plasma extravasation and modulation of immune cells. Endocannabinoids, synthetic cannabinoids and phytocannabinoids can reduce neuroinflammation by inhibiting afferent firing and inflammatory neuropeptide release. Thus, in addition to a direct effect on vascular smooth muscle and inflammatory cells, cannabinoids can reduce inflammation by silencing small diameter neurones. This review examines the neuropharmacological processes involved in regulating antidromic depolarization of afferent nerve terminals by cannabinoids and the control of neurogenic inflammation in different diseases.
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Affiliation(s)
- Meagan McKenna
- Departments of Pharmacology and Anaesthesia, Pain Management & Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jason J McDougall
- Departments of Pharmacology and Anaesthesia, Pain Management & Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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Hoffmann J, Rother M, Kaiser U, Thrun MC, Wilhelm C, Gruen A, Niebergall U, Meissauer U, Neubauer A, Brendel C. Determination of CD43 and CD200 surface expression improves accuracy of B-cell lymphoma immunophenotyping. CYTOMETRY PART B-CLINICAL CYTOMETRY 2020; 98:476-482. [PMID: 32716606 DOI: 10.1002/cyto.b.21936] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 06/11/2020] [Accepted: 06/24/2020] [Indexed: 01/18/2023]
Abstract
BACKGROUND The Matutes score (MS) was proposed to differentiate chronic lymphocytic leukemia (CLL) from other B-cell non-Hodgkin lymphomas (B-NHLs). However, ambiguous immunophenotypes are common and remain a diagnostic challenge. Therefore, we evaluated the diagnostic benefit of measuring CD200 and CD43 expression together with the standard MS antigens. METHODS 138 lymphoma patient samples and a validation cohort of 138 additive samples were classified according to the standard MS and further assigned with one or two additional points, for high CD200 and/or CD43 expression levels. The "classical" MS and the "Matutes score-extended" (MS-e) were categorized as high (4-5/6-7), intermediate (2-3/4-5), and low (0-1/0-3). Samples were reclassified into the MS-e with focus on ambiguous cases with an intermediate "classical" MS. RESULTS A total of 35 of 138 (25.4%) patient samples were assigned to the intermediate MS group and confirmed by histopathological reports as CLL (14/40.0%) and B-NHLs other than CLL (21/60%). MS-e analysis identified 13 of 14 (92.9%) of CLL cases (MS-e 4-5) and 18/21 (85.7%) non-CLL cases (MS-e ≤ 3) correctly. Overall, the sensitivity of the CLL diagnosis was significantly increased by application of MS-e compared to the "classical" MS (98.8% vs. 82.7%; p = 0.0009), while specificity of both methods was almost equal (94.7% vs. 98.3%; p = 0.4795). Of note, sole measurement of CD43 and CD200 on B-cells sufficiently differentiated CLL from non-CLL with a test accuracy superior to the "classical" MS (F1 score 96.2 vs. 93.6). CONCLUSION CD200 and CD43 have a high informative value in diagnostic immunophenotyping and facilitate the separation of CLL from other B-NHLs particularly in ambiguous cases.
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Affiliation(s)
- Joerg Hoffmann
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Marissa Rother
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | | | - Michael C Thrun
- Databionics, Mathematics and Computer Science, Philipps University Marburg, Marburg, Germany
| | - Christian Wilhelm
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Andrea Gruen
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Ute Niebergall
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Ute Meissauer
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Andreas Neubauer
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
| | - Cornelia Brendel
- Department of Hematology, Oncology and Immunology, Philipps University Marburg, University Hospital Giessen and Marburg, Marburg, Germany
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Prognostic Value of CD200R1 mRNA Expression in Head and Neck Squamous Cell Carcinoma. Cancers (Basel) 2020; 12:cancers12071777. [PMID: 32635224 PMCID: PMC7408128 DOI: 10.3390/cancers12071777] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 06/23/2020] [Accepted: 07/01/2020] [Indexed: 12/24/2022] Open
Abstract
Immune system dysfunction is associated with head and neck squamous cell carcinoma (HNSCC) development and progression and immune checkpoint inhibitors have demonstrated substantial survival benefits in platinum-refractory HNSCC; therefore, we examined the prognostic value of immune-related gene (IRG) expression in HNSCC. We analyzed the expression of 82 IRGs in 71 patients with HNSCC enrolled in a feasibility study for a prospective HNSCC biomarker-driven umbrella trial (Korean Cancer Study Group TRIUMPH study, NCT03292250). CD200R1 was identified as an independent prognostic factor and validated in GEO and TCGA database. CD2000R1 mRNA expression was found to be an independent favorable prognostic factor in patients with HNSCC. Moreover, CD200R1 was found to affect genes and pathways associated with the immune response, while seven differentially expressed genes (CD8A, DOK2, CX3CR1, TYROBP, CXCL9, CD300LF, IFNG) were associated with CD200R1 expression. Samples with higher CD200R1 expression displayed higher tumor-infiltrating immune cell counts both in silico and in histological analysis. These findings will help in the development of more accurate prognostic tools and suggest CD200R1 modulation as a HNSCC immunotherapy.
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TLR-2 neutralization potentiates microglial M1 to M2 switching by the combinatorial treatment of ciprofloxacin and dexamethasone during S. aureus infection. J Neuroimmunol 2020; 344:577262. [DOI: 10.1016/j.jneuroim.2020.577262] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 12/20/2022]
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Age-of-onset information helps identify 76 genetic variants associated with allergic disease. PLoS Genet 2020; 16:e1008725. [PMID: 32603359 PMCID: PMC7367489 DOI: 10.1371/journal.pgen.1008725] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 07/17/2020] [Accepted: 03/19/2020] [Indexed: 12/18/2022] Open
Abstract
Risk factors that contribute to inter-individual differences in the age-of-onset of allergic diseases are poorly understood. The aim of this study was to identify genetic risk variants associated with the age at which symptoms of allergic disease first develop, considering information from asthma, hay fever and eczema. Self-reported age-of-onset information was available for 117,130 genotyped individuals of European ancestry from the UK Biobank study. For each individual, we identified the earliest age at which asthma, hay fever and/or eczema was first diagnosed and performed a genome-wide association study (GWAS) of this combined age-of-onset phenotype. We identified 50 variants with a significant independent association (P<3x10-8) with age-of-onset. Forty-five variants had comparable effects on the onset of the three individual diseases and 38 were also associated with allergic disease case-control status in an independent study (n = 222,484). We observed a strong negative genetic correlation between age-of-onset and case-control status of allergic disease (rg = -0.63, P = 4.5x10-61), indicating that cases with early disease onset have a greater burden of allergy risk alleles than those with late disease onset. Subsequently, a multivariate GWAS of age-of-onset and case-control status identified a further 26 associations that were missed by the univariate analyses of age-of-onset or case-control status only. Collectively, of the 76 variants identified, 18 represent novel associations for allergic disease. We identified 81 likely target genes of the 76 associated variants based on information from expression quantitative trait loci (eQTL) and non-synonymous variants, of which we highlight ADAM15, FOSL2, TRIM8, BMPR2, CD200R1, PRKCQ, NOD2, SMAD4, ABCA7 and UBE2L3. Our results support the notion that early and late onset allergic disease have partly distinct genetic architectures, potentially explaining known differences in pathophysiology between individuals. So far, genetic studies of allergic disease have investigated the presence of the disease rather than the age at which the first allergic symptoms develop. We aimed to identify genetic risk variants associated with the age at which symptoms of allergic disease first develop, considering information from asthma, hay fever and eczema by examining 117,130 genotyped individuals of European ancestry from the UK Biobank study. We identified 50 variants with a significant independent association (P<3x10-8) with age-of-onset. Forty-five variants had comparable effects on the onset of the three individual diseases and 38 were also associated with allergic disease case-control status in an independent study (n = 222,484). We then performed a multivariate GWAS of age-of-onset and case-control status identified a further 26 associations that were missed by the univariate analyses of age-of-onset or case-control status only. 18 of 76 variants identified represent novel associations for allergic disease. We identified 81 likely target genes of the 76 genetic variants, including ADAM15, FOSL2, TRIM8, BMPR2, CD200R1, PRKCQ, NOD2, SMAD4, ABCA7 and UBE2L3. Our results support the notion that early and late onset allergic disease have partly distinct genetic architectures, potentially explaining known differences in pathophysiology between individuals.
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Lecoeur H, Rosazza T, Kokou K, Varet H, Coppée JY, Lari A, Commère PH, Weil R, Meng G, Milon G, Späth GF, Prina E. Leishmania amazonensis Subverts the Transcription Factor Landscape in Dendritic Cells to Avoid Inflammasome Activation and Stall Maturation. Front Immunol 2020; 11:1098. [PMID: 32582184 PMCID: PMC7295916 DOI: 10.3389/fimmu.2020.01098] [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: 02/27/2020] [Accepted: 05/06/2020] [Indexed: 12/18/2022] Open
Abstract
Leishmania parasites are the causative agents of human leishmaniases. They infect professional phagocytes of their mammalian hosts, including dendritic cells (DCs) that are essential for the initiation of adaptive immune responses. These immune functions strictly depend on the DC's capacity to differentiate from immature, antigen-capturing cells to mature, antigen-presenting cells—a process accompanied by profound changes in cellular phenotype and expression profile. Only little is known on how intracellular Leishmania affects this important process and DC transcriptional regulation. Here, we investigate these important open questions analyzing phenotypic, cytokine profile and transcriptomic changes in murine, immature bone marrow-derived DCs (iBMDCs) infected with antibody-opsonized and non-opsonized Leishmania amazonensis (L.am) amastigotes. DCs infected by non-opsonized amastigotes remained phenotypically immature whereas those infected by opsonized parasites displayed a semi-mature phenotype. The low frequency of infected DCs in culture led us to use DsRed2-transgenic parasites allowing for the enrichment of infected BMDCs by FACS. Sorted infected DCs were then subjected to transcriptomic analyses using Affymetrix GeneChip technology. Independent of parasite opsonization, Leishmania infection induced expression of genes related to key DC processes involved in MHC Class I-restricted antigen presentation and alternative NF-κB activation. DCs infected by non-opsonized parasites maintained an immature phenotype and showed a small but significant down-regulation of gene expression related to pro-inflammatory TLR signaling, the canonical NF-kB pathway and the NLRP3 inflammasome. This transcriptomic profile was further enhanced in DCs infected with opsonized parasites that displayed a semi-mature phenotype despite absence of inflammasome activation. This paradoxical DC phenotype represents a Leishmania-specific signature, which to our knowledge has not been observed with other opsonized infectious agents. In conclusion, systems-analyses of our transcriptomics data uncovered important and previously unappreciated changes in the DC transcription factor landscape, thus revealing a novel Leishmania immune subversion strategy directly acting on transcriptional control of gene expression. Our data raise important questions on the dynamic and reciprocal interplay between trans-acting and epigenetic regulators in establishing permissive conditions for intracellular Leishmania infection and polarization of the immune response.
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Affiliation(s)
- Hervé Lecoeur
- Institut Pasteur, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Département des Parasites et Insectes Vecteurs, Paris, France.,Pasteur Institute of Shanghai, Innate Immunity Unit, Key Laboratory of Molecular Virology and Immunology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
| | - Thibault Rosazza
- Institut Pasteur, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Département des Parasites et Insectes Vecteurs, Paris, France.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
| | - Kossiwa Kokou
- Institut Pasteur, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Département des Parasites et Insectes Vecteurs, Paris, France.,Pasteur Institute of Shanghai, Innate Immunity Unit, Key Laboratory of Molecular Virology and Immunology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
| | - Hugo Varet
- Hub de Bioinformatique et Biostatistique - Département Biologie Computationnelle, Institut Pasteur, USR 3756 CNRS, Paris, France
| | - Jean-Yves Coppée
- Institut Pasteur - Transcriptome and Epigenome Platform - Biomics Pole - C2RT, Paris, France
| | - Arezou Lari
- Systems Biomedicine Unit, Institut Pasteur of Iran, Teheran, Iran
| | | | - Robert Weil
- Sorbonne Universités, Institut National de la Santé et de la Recherche Médicale (Inserm, UMR1135), Centre National de la Recherche Scientifique (CNRS, ERL8255), Centre d'Immunologie et des Maladies Infectieuses CIMI, Paris, France
| | - Guangxun Meng
- Pasteur Institute of Shanghai, Innate Immunity Unit, Key Laboratory of Molecular Virology and Immunology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
| | - Genevieve Milon
- Institut Pasteur, Laboratoire Immunophysiologie et Parasitisme, Département des Parasites et Insectes Vecteurs, Paris, France
| | - Gerald F Späth
- Institut Pasteur, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Département des Parasites et Insectes Vecteurs, Paris, France.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
| | - Eric Prina
- Institut Pasteur, INSERM U1201, Unité de Parasitologie Moléculaire et Signalisation, Département des Parasites et Insectes Vecteurs, Paris, France.,Pasteur International Unit "Inflammation and Leishmania Infection", Paris, France
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Xin C, Zhu J, Gu S, Yin M, Ma J, Pan C, Tang J, Zhang P, Liu Y, Bai XF, Mo X, Xu M, Zhu H. CD200 is overexpressed in neuroblastoma and regulates tumor immune microenvironment. Cancer Immunol Immunother 2020; 69:2333-2343. [PMID: 32514618 DOI: 10.1007/s00262-020-02589-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/23/2020] [Indexed: 12/14/2022]
Abstract
Patients with pediatric cancers such as neuroblastoma (NB) are often unresponsive to checkpoint blockade immunotherapy. One major factor in pediatric tumor resistance to immunotherapy is considered to be the low mutation rate of pediatric tumors. Another factor may be the overexpression of additional inhibitory pathways. While analyzing the RNA-sequencing database TARGET, we found that human NB tumors overexpress immune checkpoint molecule CD200. To determine its significance and impact on tumor immune microenvironment, we analyzed 49 cases of previously untreated, surgically removed NB tumors using immunohistochemistry and multi-color flow cytometry (FACS). We found that CD200 is overexpressed in more than 90% of NB tumors. In the tumor microenvironment of NB, CD200 is mainly overexpressed in CD45- NB tumor cells, while its cognate receptor (CD200R) is mainly expressed in HLA-DR+CD14+ myeloid cells and CD11c+ dendritic cells. Low-level expression of CD200R is also observed in tumor-infiltrating CD4+ and CD8+ T cells. In NB tumors with higher CD200 expression (CD200high), we observed lower numbers of HLA-DR+CD14+ myeloid cells and less tumor-infiltrating CD4+ and CD8+ T cells. Moreover, we found that CD4+ and CD8+ T cells produced less IFN-γ and/or TNF-α in CD200high NB tumors. Thus, CD200-CD200R pathway appears to downregulate anti-tumor immunity in the tumor microenvironment of NB tumors, and blockade of this pathway may be beneficial for NB patients.
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Affiliation(s)
- Chao Xin
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianmin Zhu
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Song Gu
- Department of General Surgery/Surgical Oncology Center, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Pu Dong New District, Shanghai, 200017, China
| | - Minzhi Yin
- Department of Pathology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Ma
- Department of Pathology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ci Pan
- Department of Hematology and Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Pu Dong New District, Shanghai, 200127, China
| | - Jingyan Tang
- Department of Hematology and Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Pu Dong New District, Shanghai, 200127, China
| | - Peng Zhang
- Division of Immunotherapy, Institute of Human Virology, University of Maryland, School of Medicine, Baltimore, MD, 21201, USA
| | - Yang Liu
- Division of Immunotherapy, Institute of Human Virology, University of Maryland, School of Medicine, Baltimore, MD, 21201, USA
| | - Xue-Feng Bai
- Department of Pathology, College of Medicine and Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA
| | - Xi Mo
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Min Xu
- Department of General Surgery/Surgical Oncology Center, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Pu Dong New District, Shanghai, 200017, China.
| | - Hua Zhu
- Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. .,Department of Hematology and Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, 1678 Dong Fang Road, Pu Dong New District, Shanghai, 200127, China.
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Iskierka-Jażdżewska E, Robak T. Investigational treatments for chronic lymphocytic leukemia: a focus on phase 1 and 2 clinical trials. Expert Opin Investig Drugs 2020; 29:709-722. [PMID: 32407139 DOI: 10.1080/13543784.2020.1770225] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Introduction: During recent years, the introduction of novel drugs, particularly small molecule inhibitors, has led to remarkable progress in both previously untreated and relapsed/refractory (RR) patients in chronic lymphocytic leukemia (CLL). However, further research is necessary to find an optimal cure that responds to the individual needs of the patient. Areas covered: This review discusses new agents in phase 1 and 2 clinical trials currently underway in CLL patients. A literature review of the MEDLINE database for articles in English concerning novel drugs, clinical trials, phase 1, phase 2 and CLL was conducted via PubMed. Publications from 2000 through January 2020 were scrutinized. Conference proceedings from the previous five years of the American Society of Hematology, European Hematology Association and American Society of Clinical Oncology were searched manually. Additional relevant publications were obtained by reviewing the references from the chosen articles. The search also included clinical trials registered in clinicaltrials.gov. Expert opinion: The use of BTK and PI3Kδ inhibitors and BCL-2 antagonist have changed the treatment strategy of CLL. Several clinical trials with novel, unapproved agents are currently ongoing. Their findings should define the role of these novel drugs in the treatment of patients with previously untreated and RR CLL.
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Affiliation(s)
| | - Tadeusz Robak
- Department of Hematology, Copernicus Memorial Hospital, Lodz, Medical University of Lodz , Lodz, Poland
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Zhang X, Cui J, Qian H, Wang B, Yan F, Zhao Z. CD200R Is Involved in the Anti-inflammatory Effect of Dexmedetomidine in Lipopolysaccharide-Stimulated Microglia. Inflammation 2020; 43:1707-1715. [PMID: 32394288 DOI: 10.1007/s10753-020-01244-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dexmedetomidine has been confirmed to have anti-inflammatory effect in numerous diseases. However, the detailed mechanism is still unknown. We explore the hypothesis that CD200R is related to the anti-inflammatory effect of dexmedetomidine. Primary microglia were treated with different concentrations of dexmedetomidine followed with lipopolysaccharide (LPS) for 24 h. Interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and interleukin-10 (IL-10) were measured by enzyme-linked immunosorbent assay. Arginase 1 (Arg1), IL-6, and TNF-α were measured by TR-PCR. CD200R was observed by Western blot analysis. We found dexmedetomidine reduced LPS-induced IL-6 and TNF-α production and increase Arg1 in primary microglia. CD200R expression was downregulated by LPS and dexmedetomidine can attenuate the effect of LPS. Our results showed that CD200R may be related to the anti-inflammatory effect of dexmedetomidine.
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Affiliation(s)
- Xiaobao Zhang
- Department of Anesthesiology, The Affiliated Lianyungang Hospital of Xuzhou Medical University (the First People's Hospital of Lianyungang), Lianyungang, 222000, China
| | - Jizheng Cui
- Department of Pain, Lianyungang Maternal and Child Health Hospital, Lianyungang, 222000, China
| | - Haitao Qian
- Department of Anesthesiology, The Affiliated Lianyungang Hospital of Xuzhou Medical University (the First People's Hospital of Lianyungang), Lianyungang, 222000, China
| | - Bing Wang
- Department of Anesthesiology, The Affiliated Lianyungang Hospital of Xuzhou Medical University (the First People's Hospital of Lianyungang), Lianyungang, 222000, China
| | - Fang Yan
- Department of Basic Medical Science, Kangda College of Nanjing Medical University, Lianyungang, 222000, China.
| | - Zhibin Zhao
- Department of Anesthesiology, The Affiliated Lianyungang Hospital of Xuzhou Medical University (the First People's Hospital of Lianyungang), Lianyungang, 222000, China.
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Ismail AA, Donia HM, Ghatesh HM, Farid CI. CD200/CD200 receptor axis in psoriasis vulgaris. PLoS One 2020; 15:e0230621. [PMID: 32203537 PMCID: PMC7089552 DOI: 10.1371/journal.pone.0230621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 03/04/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Psoriasis is a chronic inflammatory multisystem disease with imbalance between the Th17 and T regulatory sub-populations. CD200/CD200R is an anti-inflammatory/immune-suppressive axis that might contribute to its pathogenesis given its relation to the Tregs induction. The current study aimed to investigate the status of the CD200/CD200R axis in the blood of psoriasis vulgaris patients versus healthy controls. METHODS In this comparative cross sectional study, the blood levels of sCD200 and CD200R levels were measured in 25 psoriasis vulgaris patients and an age and sex matched 25 healthy controls using ELISA and flow-cytometry respectively. Their levels were tested for correlation to disease severity. RESULTS sCD200 was significantly higher while CD200R was significantly lower in psoriasis vulgaris patients than in controls. They did not correlate to each other or to psoriasis severity although they differed significantly among cases of different severities. CONCLUSION Aberrant expression of CD200/CD200R might play a role in psoriasis vulgaris pathophysiology and disease severity. It might constitute a future target of therapy, but cannot be used as a marker of disease severity.
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Affiliation(s)
- Aisha A. Ismail
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hanaa M. Donia
- Department of Clinical and Chemical pathology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hafsa M. Ghatesh
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Carmen I. Farid
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
- * E-mail: ,
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49
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Blaeschke F, Willier S, Stenger D, Lepenies M, Horstmann MA, Escherich G, Zimmermann M, Rojas Ringeling F, Canzar S, Kaeuferle T, Rohlfs M, Binder V, Klein C, Feuchtinger T. Leukemia-induced dysfunctional TIM-3 +CD4 + bone marrow T cells increase risk of relapse in pediatric B-precursor ALL patients. Leukemia 2020; 34:2607-2620. [PMID: 32203137 DOI: 10.1038/s41375-020-0793-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 02/29/2020] [Accepted: 03/03/2020] [Indexed: 12/17/2022]
Abstract
Interaction of malignancies with tissue-specific immune cells has gained interest for prognosis and intervention of emerging immunotherapies. We analyzed bone marrow T cells (bmT) as tumor-infiltrating lymphocytes in pediatric precursor-B cell acute lymphoblastic leukemia (ALL). Based on data from 100 patients, we show that ALL is associated with late-stage CD4+ phenotype and loss of early CD8+ T cells. The inhibitory exhaustion marker TIM-3 on CD4+ bmT increased relapse risk (RFS = 94.6/70.3%) confirmed by multivariate analysis. The hazard ratio of TIM-3 expression nearly reached the hazard ratio of MRD (7.1 vs. 8.0) indicating that patients with a high frequency of TIM-3+CD4+ bone marrow T cells at initial diagnosis have a 7.1-fold increased risk to develop ALL relapse. Comparison of wild type primary T cells to CRISPR/Cas9-mediated TIM-3 knockout and TIM-3 overexpression confirmed the negative effect of TIM-3 on T cell responses against ALL. TIM-3+CD4+ bmT are increased in ALL overexpressing CD200, that leads to dysfunctional antileukemic T cell responses. In conclusion, TIM-3-mediated interaction between bmT and leukemia cells is shown as a strong risk factor for relapse in pediatric B-lineage ALL. CD200/TIM-3-signaling, rather than PD-1/PD-L1, is uncovered as a mechanism of T cell dysfunction in ALL with major implication for future immunotherapies.
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Affiliation(s)
- Franziska Blaeschke
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Semjon Willier
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Dana Stenger
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Mareike Lepenies
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Martin A Horstmann
- Clinic of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Gabriele Escherich
- Clinic of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, 20251, Hamburg, Germany
| | - Martin Zimmermann
- Department of Pediatric Hematology and Oncology, Hannover Medical School, 30625, Hannover, Germany
| | | | - Stefan Canzar
- Gene Center, Ludwig Maximilian University Munich, 81377, Munich, Germany
| | - Theresa Kaeuferle
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Meino Rohlfs
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Vera Binder
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany
| | - Christoph Klein
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany.,Gene Center, Ludwig Maximilian University Munich, 81377, Munich, Germany
| | - Tobias Feuchtinger
- Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University, 80337, Munich, Germany.
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50
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Hus I, Salomon-Perzyński A, Robak T. The up-to-date role of biologics for the treatment of chronic lymphocytic leukemia. Expert Opin Biol Ther 2020; 20:799-812. [DOI: 10.1080/14712598.2020.1734557] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Iwona Hus
- Department of Hematology, Institute of Hematology and Transfusion Medicine, Warsaw, Poland
| | | | - Tadeusz Robak
- Department of Hematology, Medical University of Lodz and Copernicus Memorial Hospital, Lodz, Poland
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