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Kabelitz D, Cierna L, Juraske C, Zarobkiewicz M, Schamel WW, Peters C. Empowering γδ T-cell functionality with vitamin C. Eur J Immunol 2024:e2451028. [PMID: 38616772 DOI: 10.1002/eji.202451028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/16/2024]
Abstract
Vitamin C (ascorbic acid) is a potent antioxidant and a cofactor for various enzymes including histone demethylases and methylcytosine dioxygenases. Vitamin C also exerts direct cytotoxicity toward selected tumor cells including colorectal carcinoma. Moreover, vitamin C has been shown to impact immune cell differentiation at various levels including maturation and/or functionality of T cells and their progenitors, dendritic cells, B cells, and NK cells. γδ T cells have recently attracted great interest as effector cells for cell-based cancer immunotherapy, due to their HLA-independent recognition of a large variety of tumor cells. While γδ T cells can thus be also applied as an allogeneic off-the-shelf product, it is obvious that the effector function of γδ T cells needs to be optimized to ensure the best possible clinical efficacy. Here we review the immunomodulatory mechanisms of vitamin C with a special focus on how vitamin C enhances the effector function of γδ T cells. We also discuss future directions of how vitamin C can be used in the clinical setting to boost the efficacy of adoptive cell therapies.
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Affiliation(s)
- Dieter Kabelitz
- Institute of Immunology, Christian-Albrechts University and University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany
| | - Lea Cierna
- Institute of Immunology, Christian-Albrechts University and University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany
| | - Claudia Juraske
- Signalling Research Centres BIOSS and CIBSS, and Faculty of Biology, University of Freiburg, Freiburg, Germany
- Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, Freiburg, Germany
| | - Michal Zarobkiewicz
- Institute of Immunology, Christian-Albrechts University and University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany
| | - Wolfgang W Schamel
- Signalling Research Centres BIOSS and CIBSS, and Faculty of Biology, University of Freiburg, Freiburg, Germany
- Spemann Graduate School of Biology and Medicine (SGBM), University of Freiburg, Freiburg, Germany
- Centre for Chronic Immunodeficiency (CCI), Medical Centre Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christian Peters
- Institute of Immunology, Christian-Albrechts University and University Hospital Schleswig-Holstein Campus Kiel, Kiel, Germany
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2
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Schriek AI, Aldon YLT, van Gils MJ, de Taeye SW. Next-generation bNAbs for HIV-1 cure strategies. Antiviral Res 2024; 222:105788. [PMID: 38158130 DOI: 10.1016/j.antiviral.2023.105788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Despite the ability to suppress viral replication using anti-retroviral therapy (ART), HIV-1 remains a global public health problem. Curative strategies for HIV-1 have to target and eradicate latently infected cells across the body, i.e. the viral reservoir. Broadly neutralizing antibodies (bNAbs) targeting the HIV-1 envelope glycoprotein (Env) have the capacity to neutralize virions and bind to infected cells to initiate elimination of these cells. To improve the efficacy of bNAbs in terms of viral suppression and viral reservoir eradication, next generation antibodies (Abs) are being developed that address the current limitations of Ab treatment efficacy; (1) low antigen (Env) density on (reactivated) HIV-1 infected cells, (2) high viral genetic diversity, (3) exhaustion of immune cells and (4) short half-life of Abs. In this review we summarize and discuss preclinical and clinical studies in which anti-HIV-1 Abs demonstrated potent viral control, and describe the development of engineered Abs that could address the limitations described above. Next generation Abs with optimized effector function, avidity, effector cell recruitment and immune cell activation have the potential to contribute to an HIV-1 cure or durable control.
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Affiliation(s)
- A I Schriek
- Amsterdam UMC Location University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands.
| | - Y L T Aldon
- Amsterdam UMC Location University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands
| | - M J van Gils
- Amsterdam UMC Location University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands
| | - S W de Taeye
- Amsterdam UMC Location University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Institute for Infection and Immunity, Infectious Diseases, Amsterdam, the Netherlands.
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3
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Ghahramanipour Z, Alipour S, Masoumi J, Rostamlou A, Hatami-Sadr A, Heris JA, Naseri B, Jafarlou M, Baradaran B. Regulation of Dendritic Cell Functions by Vitamins as Promising Therapeutic Strategy for Immune System Disorders. Adv Biol (Weinh) 2023; 7:e2300142. [PMID: 37423961 DOI: 10.1002/adbi.202300142] [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: 04/10/2023] [Revised: 06/14/2023] [Indexed: 07/11/2023]
Abstract
A functional immune system is crucial for a healthy life, protecting from infections, tumors, or autoimmune disorders; these are accomplished by the interaction between various immune cells. Nourishment, particularly micronutrients, are very important components in the immune system balance, therefore this review emphasizes the vitamins (D, E, A, C) and Dendritic cells' subsets due to vitamins' roles in immune processes, especially on dendritic cells' functions, maturation, and cytokine production. Current studies reveal significant benefits related to vitamins, including vitamin E, which can contribute to the control of dendritic cells' function and maturation. Furthermore, vitamin D plays an immunoregulatory and anti-inflammatory role in the immune system. Metabolite of vitamin A which is called retinoic acid leads to T cells' differentiation to T helper 1 or T helper 17, so low levels of this vitamin exacerbate the menace of infectious diseases, and vitamin C has anti-oxidant effects on dendritic cells and modulate their activation and differentiation program. Additionally, the correlation between the amount of vitamin and the occurrence or progression of allergic diseases and autoimmunity disorders is discussed according to the results of previous studies.
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Affiliation(s)
- Zahra Ghahramanipour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Shiva Alipour
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, 5165665931, Iran
| | - Javad Masoumi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Arman Rostamlou
- Department of Medical Biology, Faculty of Medicine, University of EGE, Izmir, 35040, Turkey
| | | | - Javad Ahmadian Heris
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Bahar Naseri
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Mahdi Jafarlou
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 5166616471, Iran
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4
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Uhrberg M, Radbruch A. Editorial: Global excellence in cellular immunology: Europe 2021. Front Immunol 2023; 14:1283105. [PMID: 37744373 PMCID: PMC10513497 DOI: 10.3389/fimmu.2023.1283105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 08/31/2023] [Indexed: 09/26/2023] Open
Affiliation(s)
- Markus Uhrberg
- Institute of Transplantation Diagnostics and Cell Therapeutics, University Hospital of Düsseldorf, Düsseldorf, Germany
| | - Andreas Radbruch
- Deutsches Rheuma-Forschungszentrum Berlin, a Leibniz Institute, Berlin, Germany
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5
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Plasmacytoid Dendritic Cells as a Novel Cell-Based Cancer Immunotherapy. Int J Mol Sci 2022; 23:ijms231911397. [PMID: 36232698 PMCID: PMC9570010 DOI: 10.3390/ijms231911397] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 12/15/2022] Open
Abstract
Plasmacytoid dendritic cells (pDCs) are multifaceted immune cells with a wide range of innate and adaptive immunological functions. They constitute the first line of defence against multiple viral infections and have also been reported to actively participate in antitumor immune responses. The clinical implication of the presence of pDCs in the tumor microenvironment (TME) is still ambiguous, but it is clear that pDCs possess the ability to modulate tumor-specific T cell responses and direct cytotoxic functions. Therapeutic strategies designed to exploit these qualities of pDCs to boost tumor-specific immune responses could represent an attractive alternative compared to conventional therapeutic approaches in the future, and promising antitumor effects have already been reported in phase I/II clinical trials. Here, we review the many roles of pDCs in cancer and present current advances in developing pDC-based immunotherapeutic approaches for treating cancer.
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Huang D, Qi H, Jing J, Sami R, Jing T, Alsufyani SJ, Benajiba N, Madkhali N. A Continuously Tunable Full-Color Emission Nitrogen-Doped Carbon Dots and for Ultrasensitive and Highly Selective Detection of Ascorbic Acid. NANOMATERIALS 2022; 12:nano12040693. [PMID: 35215021 PMCID: PMC8874706 DOI: 10.3390/nano12040693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 11/16/2022]
Abstract
Nitrogen-doped carbon dots exhibiting excitation-dependent full-color emissions (F-NCDs) were prepared via the one-step hydrothermal method with citric acid and phenylenediamine. Specifically, the emission wavelength of the F-NCDs tuned from 452 nm to 602 nm due to the introduction of new energy levels by C=O and C=N functional groups. We exploited its stability in illumination, ionic strength, and pH, as well as its specificity, sensitivity, especially in ascorbic acid (AA) detection. F-NCDs could measure the AA concentration in the linear ranges of 0~0.1 and 0.1~1 mmol/L with the detection limit (LOD, S/N = 3) as low as 2.6 nmol/L. Additionally, we successfully detected AA in bovine serum with our F-NCDs and obtained the result within 1 min. Because of full-color emission features, we believe our F-NCDs have a great potential in fluorescent sensor detection.
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Affiliation(s)
- Demin Huang
- College of Chemistry and Chemical Engineering, Qiqihar University, No. 42, Wenhua Street, Qiqihar 161006, China; (D.H.); (T.J.)
| | - Haiyan Qi
- College of Chemistry and Chemical Engineering, Qiqihar University, No. 42, Wenhua Street, Qiqihar 161006, China; (D.H.); (T.J.)
- Correspondence: (H.Q.); (J.J.); (R.S.)
| | - Jing Jing
- School of Medicine and Health, Harbin Institute of Technology, No. 92, West Dazhi Street, Harbin 150000, China
- Correspondence: (H.Q.); (J.J.); (R.S.)
| | - Rokayya Sami
- Department of Food Science and Nutrition, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Correspondence: (H.Q.); (J.J.); (R.S.)
| | - Tao Jing
- College of Chemistry and Chemical Engineering, Qiqihar University, No. 42, Wenhua Street, Qiqihar 161006, China; (D.H.); (T.J.)
| | - Sultan J. Alsufyani
- Department of Physics, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Nada Benajiba
- Department of Basic Health Sciences, Deanship of Preparatory Year, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Nawal Madkhali
- Department of Physics, College of Sciences, Imam Mohammad Ibn Saud Islamic University (IMISU), Riyadh 11623, Saudi Arabia;
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7
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van der Sluis RM, Cham LB, Gris-Oliver A, Gammelgaard KR, Pedersen JG, Idorn M, Ahmadov U, Sanches Hernandez S, Cémalovic E, Godsk SH, Thyrsted J, Gunst JD, Nielsen SD, Jørgensen JJ, Wang Bjerg T, Laustsen A, Reinert LS, Olagnier D, Bak RO, Kjolby M, Holm CK, Tolstrup M, Paludan SR, Kristensen LS, Søgaard OS, Jakobsen MR. TLR2 and TLR7 mediate distinct immunopathological and antiviral plasmacytoid dendritic cell responses to SARS-CoV-2 infection. EMBO J 2022; 41:e109622. [PMID: 35178710 PMCID: PMC9108609 DOI: 10.15252/embj.2021109622] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 11/09/2022] Open
Abstract
Understanding the molecular pathways driving the acute antiviral and inflammatory response to SARS-CoV-2 infection is critical for developing treatments for severe COVID-19. Here, we find decreasing number of circulating plasmacytoid dendritic cells (pDCs) in COVID-19 patients early after symptom onset, correlating with disease severity. pDC depletion is transient and coincides with decreased expression of antiviral type I IFNα and of systemic inflammatory cytokines CXCL10 and IL-6. Using an in vitro stem cell-based human pDC model, we further demonstrate that pDCs, while not supporting SARS-CoV-2 replication, directly sense the virus and in response produce multiple antiviral (interferons: IFNα and IFNλ1) and inflammatory (IL-6, IL-8, CXCL10) cytokines that protect epithelial cells from de novo SARS-CoV-2 infection. Via targeted deletion of virus-recognition innate immune pathways, we identify TLR7-MyD88 signaling as crucial for production of antiviral interferons, whereas TLR2 is responsible for the inflammatory IL-6 response. We further show that SARS-CoV-2 engages the receptor neuropilin-1 on pDCs to selectively mitigate the antiviral interferon response, but not the IL-6 response, suggesting neuropilin-1 as potential therapeutic target for stimulation of TLR7-mediated antiviral protection.
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Affiliation(s)
- Renée M van der Sluis
- Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, 8000, Denmark.,Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Lamin B Cham
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, 8200, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, 8200, Denmark
| | | | | | | | - Manja Idorn
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Ulvi Ahmadov
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | | | - Ena Cémalovic
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark.,Centre of Molecular Inflammation Research, Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7489, Trondheim, Norway.,Clinic of Medicine, St. Olav's University Hospital, 7030, Trondheim, Norway
| | - Stine H Godsk
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Jacob Thyrsted
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Jesper D Gunst
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, 8200, Denmark
| | - Silke D Nielsen
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | | | | | - Anders Laustsen
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Line S Reinert
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - David Olagnier
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Rasmus O Bak
- Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, 8000, Denmark.,Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Mads Kjolby
- DANDRITE, Department of Biomedicine, Aarhus University, Aarhus, 8000, Denmark.,Department of Clinical Pharmacology, Aarhus University Hospital, Aarhus, 8200, Denmark
| | - Christian K Holm
- Department of Biomedicin, Aarhus University, Aarhus, 8000, Denmark
| | - Martin Tolstrup
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, 8200, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, 8200, Denmark
| | - Søren R Paludan
- Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, 8000, Denmark
| | | | - Ole S Søgaard
- Department of Infectious Diseases, Aarhus University Hospital, Aarhus, 8200, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, 8200, Denmark
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8
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Laustsen A, van der Sluis RM, Gris-Oliver A, Hernández SS, Cemalovic E, Tang HQ, Pedersen LH, Uldbjerg N, Jakobsen MR, Bak RO. Ascorbic acid supports ex vivo generation of plasmacytoid dendritic cells from circulating hematopoietic stem cells. eLife 2021; 10:65528. [PMID: 34473049 PMCID: PMC8445615 DOI: 10.7554/elife.65528] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 09/01/2021] [Indexed: 12/16/2022] Open
Abstract
Plasmacytoid dendritic cells (pDCs) constitute a rare type of immune cell with multifaceted functions, but their potential use as a cell-based immunotherapy is challenged by the scarce cell numbers that can be extracted from blood. Here, we systematically investigate culture parameters for generating pDCs from hematopoietic stem and progenitor cells (HSPCs). Using optimized conditions combined with implementation of HSPC pre-expansion, we generate an average of 465 million HSPC-derived pDCs (HSPC-pDCs) starting from 100,000 cord blood-derived HSPCs. Furthermore, we demonstrate that such protocol allows HSPC-pDC generation from whole-blood HSPCs, and these cells display a pDC phenotype and function. Using GMP-compliant medium, we observe a remarkable loss of TLR7/9 responses, which is rescued by ascorbic acid supplementation. Ascorbic acid induces transcriptional signatures associated with pDC-specific innate immune pathways, suggesting an undescribed role of ascorbic acid for pDC functionality. This constitutes the first protocol for generating pDCs from whole blood and lays the foundation for investigating HSPC-pDCs for cell-based immunotherapy.
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Affiliation(s)
- Anders Laustsen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Renée M van der Sluis
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, Denmark
| | | | | | - Ena Cemalovic
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Centre of Molecular Inflammation Research, Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway.,Clinic of Medicine, St. Olav's University Hospital, Trondheim, Norway
| | - Hai Q Tang
- Department of Obstetrics and Gynaecology, Aarhus University Hospital, Aarhus, Denmark
| | - Lars Henning Pedersen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Department of Obstetrics and Gynaecology, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Niels Uldbjerg
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Rasmus O Bak
- Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Aarhus Institute of Advanced Studies, Aarhus University, Aarhus, Denmark
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