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Bekić M, Vasiljević M, Stojanović D, Kokol V, Mihajlović D, Vučević D, Uskoković P, Čolić M, Tomić S. Phosphonate-Modified Cellulose Nanocrystals Potentiate the Th1 Polarising Capacity of Monocyte-Derived Dendritic Cells via GABA-B Receptor. Int J Nanomedicine 2022; 17:3191-3216. [PMID: 35909813 PMCID: PMC9329576 DOI: 10.2147/ijn.s362038] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/26/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Phosphonates, like 3-AminoPropylphosphonic Acid (ApA), possess a great potential for the therapy of bone tumours, and their delivery via cellulose nanocrystals (CNCs) seems a promising approach for their increased efficacy in target tissues. However, the immunological effects of CNC-phosphonates have not been investigated thoroughly. The main aim was to examine how the modification of CNCs with phosphonate affects their immunomodulatory properties in human cells. Methods Wood-based native (n) CNCs were modified via oxidation (ox-CNCs) and subsequent conjugation with ApA (ApA-CNCs). CNCs were characterised by atomic force microscopy (AFM) and nanoindentation. Cytotoxicity and immunomodulatory potential of CNCs were investigated in cultures of human peripheral blood mononuclear cells (PBMCs) and monocyte-derived dendritic cells (MoDCs)/T cells co-cultures by monitoring phenotype, cytokines production, allostimulatory and Th/Treg polarisation capacity. Results AFM showed an increase in CNCs' thickens, elasticity modulus and hardness during the modification with ApA. When applied at non-toxic doses, nCNCs showed a tolerogenic potential upon internalisation by MoDCs, as judged by their increased capacity to up-regulate tolerogenic markers and induce regulatory T cells (Treg), especially when present during the differentiation of MoDCs. In contrast, ox- and ApA-CNCs induced oxidative stress and autophagy in MoDCs, which correlated with their stimulatory effect on the maturation of MoDCs, but also inhibition of MoDCs differentiation. ApA-CNC-treated MoDCs displayed the highest allostimulatory and Th1/CTL polarising activity in co-cultures with T cells. These effects of ApA-CNCs were mediated via GABA-B receptor-induced lowering of cAMP levels in MoDCs, and they could be blocked by GABA-B receptor inhibitor. Moreover, the Th1 polarising and allostimulatory capacity of MoDCs differentiated with ApA-CNC were largely preserved upon the maturation of MoDCs, whereas nCNC- and ox-CNC-differentiated MoDCs displayed an increased tolerogenic potential. Conclusion The delivery of ApA via CNCs induces potent DC-mediated Th1 polarisation, which could be beneficial in their potential application in tumour therapy.
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Affiliation(s)
- Marina Bekić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | - Miloš Vasiljević
- Center for Biomedical Sciences, Medical Faculty Foča, University of East Sarajevo, Foča, Bosnia and Herzegovina
| | - Dušica Stojanović
- Department for Construction and Special Materials, Faculty for Technology and Metallurgy, University in Belgrade, Belgrade, Serbia
| | - Vanja Kokol
- Department of Textile Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Maribor, Slovenia
| | - Dušan Mihajlović
- Center for Biomedical Sciences, Medical Faculty Foča, University of East Sarajevo, Foča, Bosnia and Herzegovina
| | - Dragana Vučević
- Center for Biomedical Sciences, Medical Faculty Foča, University of East Sarajevo, Foča, Bosnia and Herzegovina
| | - Petar Uskoković
- Department for Construction and Special Materials, Faculty for Technology and Metallurgy, University in Belgrade, Belgrade, Serbia
| | - Miodrag Čolić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia.,Center for Biomedical Sciences, Medical Faculty Foča, University of East Sarajevo, Foča, Bosnia and Herzegovina.,Serbian Academy of Sciences and Arts, Belgrade, Serbia
| | - Sergej Tomić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
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Radojević D, Tomić S, Mihajlović D, Tolinački M, Pavlović B, Vučević D, Bojić S, Golić N, Čolić M, Đokić J. Fecal microbiota composition associates with the capacity of human peripheral blood monocytes to differentiate into immunogenic dendritic cells in vitro. Gut Microbes 2021; 13:1-20. [PMID: 33970783 PMCID: PMC8115579 DOI: 10.1080/19490976.2021.1921927] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Although promising for active immunization in cancer patients, dendritic cells (DCs) vaccines generated in vitro display high inter-individual variability in their immunogenicity, which mostly limits their therapeutic efficacy. Gut microbiota composition is a key emerging factor affecting individuals' immune responses, but it is unknown how it affects the variability of donors' precursor cells to differentiate into immunogenic DCs in vitro. By analyzing gut microbiota composition in 14 healthy donors, along with the phenotype and cytokines production by monocyte-derived DCs, we found significant correlations between immunogenic properties of DC and microbiota composition. Namely, donors who had higher α-diversity of gut microbiota and higher abundance of short-chain fatty acid (SCFAs) and SCFA-producing bacteria in feces, displayed lower expression of CD1a on immature (im)DC and higher expression of ILT-3, costimulatory molecules (CD86, CD40) proinflammatory cytokines (TNF-α, IL-6, IL-8) and IL-12p70/IL-10 ratio, all of which correlated with their lower maturation potential and immunogenicity upon stimulation with LPS/IFNγ, a well-known Th1 polarizing cocktail. In contrast, imDCs generated from donors with lower α-diversity and higher abundance of Bifidobacterium and Collinsella in feces displayed higher CD1a expression and higher potential to up-regulate CD86 and CD40, increase TNF-α, IL-6, IL-8 production, and IL-12p70/IL-10 ratio upon stimulation. These results emphasize the important role of gut microbiota on the capacity of donor precursor cells to differentiate into immunogenic DCs suitable for cancer therapy, which could be harnessed for improving the actual and future DC-based cancer therapies.
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Affiliation(s)
- Dušan Radojević
- Laboratory for Molecular Microbiology (LMM), Institute of Molecular Genetics and Genetic Engineering (IMGGI), University of Belgrade, Belgrade, Serbia
| | - Sergej Tomić
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | - Dušan Mihajlović
- Faculty of Medicine Foca, University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina,Medical Faculty of the Military Medical Academy, University of Defence, Belgrade, Serbia
| | - Maja Tolinački
- Laboratory for Molecular Microbiology (LMM), Institute of Molecular Genetics and Genetic Engineering (IMGGI), University of Belgrade, Belgrade, Serbia
| | | | - Dragana Vučević
- Department for Immunology and Immunoparasitology, Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | | | - Nataša Golić
- Laboratory for Molecular Microbiology (LMM), Institute of Molecular Genetics and Genetic Engineering (IMGGI), University of Belgrade, Belgrade, Serbia
| | - Miodrag Čolić
- Faculty of Medicine Foca, University of East Sarajevo, Republic of Srpska, Bosnia and Herzegovina,Serbian Academy of Sciences and Arts, Belgrade, Serbia
| | - Jelena Đokić
- Laboratory for Molecular Microbiology (LMM), Institute of Molecular Genetics and Genetic Engineering (IMGGI), University of Belgrade, Belgrade, Serbia,CONTACT Jelena Đokić Laboratory for Molecular Microbiology (LMM), Institute of Molecular Genetics and Genetic Engineering (IMGGE), University of Belgrade, Vojvode Stepe 444a, Belgrade11042, Serbia
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Sknepnek A, Tomić S, Miletić D, Lević S, Čolić M, Nedović V, Nikšić M. Fermentation characteristics of novel Coriolus versicolor and Lentinus edodes kombucha beverages and immunomodulatory potential of their polysaccharide extracts. Food Chem 2020; 342:128344. [PMID: 33268175 DOI: 10.1016/j.foodchem.2020.128344] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/27/2020] [Accepted: 10/07/2020] [Indexed: 02/07/2023]
Abstract
Medicinal mushrooms, Coriolus versicolor and Lentinus edodes are extremely attractive as nutraceuticals. Here we used fruiting bodies to prepare novel kombucha beverage. Microbiological, physicochemical and chemical properties were monitored for eleven days, while the immunological properties of kombucha polysaccharide extracts were determined in peripheral blood mononuclear cell (PBMC) cultures. FTIR analysis of polysaccharide extracts showed dominant presence of polysaccharides, in addition to phenols, lipids and proteins. C. versicolor kombucha extract displayed more complex polysaccharides, and a higher content of total polysaccharides, phenols and flavonoids compared to L. edodes kombucha extract. The extracts were not cytotoxic for PBMC in vitro up to 500 µg/ml, while immunomodulatory effects depended on their chemical compositions. The most prominent effect was on the reduction of Th2 cytokines and IL-10 in PBMC cultures. Based on these results, novel kombucha products could be recommended as functional beverages or nutraceuticals with potentially beneficial immunomodulatory effects in allergies.
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Affiliation(s)
- Aleksandra Sknepnek
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia.
| | - Sergej Tomić
- Institute for Application of Nuclear Energy, University of Belgrade, 11000 Belgrade, Serbia
| | - Dunja Miletić
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia
| | - Steva Lević
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia
| | - Miodrag Čolić
- Institute for Application of Nuclear Energy, University of Belgrade, 11000 Belgrade, Serbia; Medical Faculty Foča, University of East Sarajevo, 73301 Foča, Bosnia and Herzegovina
| | - Viktor Nedović
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia
| | - Miomir Nikšić
- Institute for Food Technology and Biochemistry, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia
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CECHIM GIOVANA, CHIES JOSÉA. In vitro generation of human monocyte-derived dendritic cells methodological aspects in a comprehensive review. ACTA ACUST UNITED AC 2019. [DOI: 10.1590/0001-3765201920190310] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Tomić S, Ilić N, Kokol V, Gruden-Movsesijan A, Mihajlović D, Bekić M, Sofronić-Milosavljević L, Čolić M, Vučević D. Functionalization-dependent effects of cellulose nanofibrils on tolerogenic mechanisms of human dendritic cells. Int J Nanomedicine 2018; 13:6941-6960. [PMID: 30464452 PMCID: PMC6217907 DOI: 10.2147/ijn.s183510] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Cellulose nanofibrils (CNF) are attractive nanomaterials for various biomedical applications due to their excellent biocompatibility and biomimetic properties. However, their immunoregulatory properties are insufficiently investigated, especially in relation to their functionalization, which could cause problems during their clinical application. Methods Using a model of human dendritic cells (DC), which have a central role in the regulation of immune response, we investigated how differentially functionalized CNF, ie, native (n) CNF, 2,2,6,6-tetramethylpiperidine 1-oxyl radical-oxidized (c) CNF, and 3-aminopropylphosphoric acid-functionalized (APAc) CNF, affect DC properties, their viability, morphology, differentiation and maturation potential, and the capacity to regulate T cell-mediated immune response. Results Nontoxic doses of APAcCNF displayed the strongest inhibitory effects on DC differentiation, maturation, and T helper (Th) 1 and Th17 polarization capacity, followed by cCNF and nCNF, respectively. These results correlated with a specific pattern of regulatory cytokines production by APAcCNF-DC and their increased capacity to induce suppressive CD8+CD25+IL-10+ regulatory T cells in immunoglobulin-like transcript (ILT)-3- and ILT-4- dependent manner. In contrast, nCNF-DC induced predominantly suppressive CD4+CD25hiFoxP3hi regulatory T cells in indolamine 2,3-dioxygenase-1-dependent manner. Different tolerogenic properties of CNF correlated with their size and APA functionalization, as well as with different expression of CD209 and actin bundles at the place of contact with CNF. Conclusion The capacity to induce different types of DC-mediated tolerogenic immune responses by functionalized CNF opens new perspectives for their application as well-tolerated nanomaterials in tissue engineering and novel platforms for the therapy of inflammatory T cell-mediated pathologies.
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Affiliation(s)
- Sergej Tomić
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia, .,Institute for Medical Research, Medical Faculty of the Military Medical Academy, University of Defense, Belgrade, Serbia,
| | - Nataša Ilić
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia,
| | - Vanja Kokol
- Institute of Engineering Materials and Design, University of Maribor, Maribor, Slovenia
| | | | - Dušan Mihajlović
- Institute for Medical Research, Medical Faculty of the Military Medical Academy, University of Defense, Belgrade, Serbia,
| | - Marina Bekić
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia,
| | | | - Miodrag Čolić
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia, .,Institute for Medical Research, Medical Faculty of the Military Medical Academy, University of Defense, Belgrade, Serbia, .,Medical Faculty Foča, University of East Sarajevo, Foča, Bosnia and Herzegovina
| | - Dragana Vučević
- Institute for Medical Research, Medical Faculty of the Military Medical Academy, University of Defense, Belgrade, Serbia,
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Navarro-Barriuso J, Mansilla MJ, Martínez-Cáceres EM. Searching for the Transcriptomic Signature of Immune Tolerance Induction-Biomarkers of Safety and Functionality for Tolerogenic Dendritic Cells and Regulatory Macrophages. Front Immunol 2018; 9:2062. [PMID: 30298066 PMCID: PMC6160751 DOI: 10.3389/fimmu.2018.02062] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 08/21/2018] [Indexed: 12/12/2022] Open
Abstract
The last years have witnessed a breakthrough in the development of cell-based tolerance-inducing cell therapies for the treatment of autoimmune diseases and solid-organ transplantation. Indeed, the use of tolerogenic dendritic cells (tolDC) and regulatory macrophages (Mreg) is currently being tested in Phase I and Phase II clinical trials worldwide, with the aim of finding an effective therapy able to abrogate the inflammatory processes causing these pathologies without compromising the protective immunity of the patients. However, there exists a wide variety of different protocols to generate human tolDC and Mreg and, consequently, the characteristics of each product are heterogeneous. For this reason, the identification of biomarkers able to define their functionality (tolerogenicity) is of great relevance, on the one hand, to guarantee the safety of tolDC and Mreg before administration and, on the other hand, to compare the results between different cell products and laboratories. In this article, we perform an exhaustive review of protocols generating human tolDC and Mreg in the literature, aiming to elucidate if there are any common transcriptomic signature or potential biomarkers of tolerogenicity among the different approaches. However, and although several effectors seem to be induced in common in some of the most reported protocols to generate both tolDC or Mreg, the transcriptomic profile of these cellular products strongly varies depending on the approach used to generate them.
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Affiliation(s)
- Juan Navarro-Barriuso
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - María José Mansilla
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Eva M Martínez-Cáceres
- Division of Immunology, Germans Trias i Pujol University Hospital and Research Institute, Barcelona, Spain.,Department of Cellular Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, Barcelona, Spain
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Ilic N, Gruden-Movsesijan A, Cvetkovic J, Tomic S, Vucevic DB, Aranzamendi C, Colic M, Pinelli E, Sofronic-Milosavljevic L. Trichinella spiralis Excretory-Secretory Products Induce Tolerogenic Properties in Human Dendritic Cells via Toll-Like Receptors 2 and 4. Front Immunol 2018; 9:11. [PMID: 29416536 PMCID: PMC5787699 DOI: 10.3389/fimmu.2018.00011] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 01/04/2018] [Indexed: 12/20/2022] Open
Abstract
Trichinella spiralis, as well as its muscle larvae excretory–secretory products (ES L1), given either alone or via dendritic cells (DCs), induce a tolerogenic immune microenvironment in inbred rodents and successfully ameliorate experimental autoimmune encephalomyelitis. ES L1 directs the immunological balance away from T helper (Th)1, toward Th2 and regulatory responses by modulating DCs phenotype. The ultimate goal of our work is to find out if it is possible to translate knowledge obtained in animal model to humans and to generate human tolerogenic DCs suitable for therapy of autoimmune diseases through stimulation with ES L1. Here, the impact of ES L1 on the activation of human monocyte-derived DCs is explored for the first time. Under the influence of ES L1, DCs acquired tolerogenic (semi-matured) phenotype, characterized by low expression of HLA-DR, CD83, and CD86 as well as moderate expression of CD40, along with the unchanged production of interleukin (IL)-12 and elevated production of IL-10 and transforming growth factor (TGF)-β, compared to controls. The interaction with DCs involved toll-like receptors (TLR) 2 and 4, and this interaction was mainly responsible for the phenotypic and functional properties of ES L1-treated DCs. Importantly, ES L1 potentiated Th2 polarizing capacity of DCs, and impaired their allo-stimulatory and Th1/Th17 polarizing properties. Moreover, ES L1-treated DCs promoted the expansion of IL-10- and TGF-β- producing CD4+CD25hiFoxp3hi T cells in indolamine 2, 3 dioxygenase (IDO)-1-dependent manner and increased the suppressive potential of the primed T cell population. ES L1-treated DCs retained the tolerogenic properties, even after the challenge with different pro-inflammatory stimuli, including those acting via TLR3 and, especially TLR4. These results suggest that the induction of tolerogenic properties of DCs through stimulation with ES L1 could represent an innovative approach for the preparation of tolerogenic DC for treatment of inflammatory and autoimmune disorders.
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Affiliation(s)
- Nataša Ilic
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | | | - Jelena Cvetkovic
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | - Sergej Tomic
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia
| | | | - Carmen Aranzamendi
- Groningen Biomolecular Science and Biotechnology Institute (GBB), University of Groningen, Groningen, Netherlands.,Centre for Infectious Disease Control Netherlands, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Miodrag Colic
- Institute for the Application of Nuclear Energy, University of Belgrade, Belgrade, Serbia.,Medical Faculty of the Military Medical Academy, University of Defence, Belgrade, Serbia
| | - Elena Pinelli
- Centre for Infectious Disease Control Netherlands, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
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