1
|
Pereira RVS, EzEldeen M, Ugarte-Berzal E, Vandooren J, Martens E, Gouwy M, Ganseman E, Van Damme J, Matthys P, Vranckx JJ, Proost P, Opdenakker G. Protection of stromal cell-derived factor-1 SDF-1/CXCL12 against proteases yields improved skin wound healing. Front Immunol 2024; 15:1359497. [PMID: 39156898 PMCID: PMC11327020 DOI: 10.3389/fimmu.2024.1359497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 07/18/2024] [Indexed: 08/20/2024] Open
Abstract
SDF-1/CXCL12 is a unique chemotactic factor with multiple functions on various types of precursor cells, all carrying the cognate receptor CXCR4. Whereas individual biological functions of SDF-1/CXCL12 have been well documented, practical applications in medicine are insufficiently studied. This is explained by the complex multifunctional biology of SDF-1 with systemic and local effects, critical dependence of SDF-1 activity on aminoterminal proteolytic processing and limited knowledge of applicable modulators of its activity. We here present new insights into modulation of SDF-1 activity in vitro and in vivo by a macromolecular compound, chlorite-oxidized oxyamylose (COAM). COAM prevented the proteolytic inactivation of SDF-1 by two inflammation-associated proteases: matrix metalloproteinase-9/MMP-9 and dipeptidylpeptidase IV/DPPIV/CD26. The inhibition of proteolytic inactivation was functionally measured by receptor-mediated effects, including intracellular calcium mobilization, ERK1/2 phosphorylation, receptor internalization and chemotaxis of CXCR4-positive cells. Protection of SDF-1/CXCL12 against proteolysis was dependent on electrostatic COAM-SDF-1 interactions. By in vivo experiments in mice, we showed that the combination of COAM with SDF-1 delivered through physiological fibrin hydrogel had beneficial effect for the healing of skin wounds. Collectively, we show that COAM protects SDF-1 from proteolytic inactivation, maintaining SDF-1 biological activities. Thus, protection from proteolysis by COAM represents a therapeutic strategy to prolong SDF-1 bioavailability for wound healing applications.
Collapse
Affiliation(s)
- Rafaela Vaz Sousa Pereira
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Mostafa EzEldeen
- Department of Imaging and Pathology, OMFS-IMPATH Research Group KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Oral Health Sciences, KU Leuven and Pediatric Dentistry and Special Dental Care, University Hospitals Leuven, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jennifer Vandooren
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Mieke Gouwy
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Eva Ganseman
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Patrick Matthys
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jan Jeroen Vranckx
- Department of Development & Regeneration & Department of Plastic & Reconstructive Surgery, University Hospitals Leuven, KU Leuven, Leuven, Belgium
| | - Paul Proost
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| |
Collapse
|
2
|
Pereira RVS, Ugarte-Berzal E, Vandooren J, Nylander K, Martens E, Van Mellaert L, Van Damme J, Vranckx JJ, Matthys P, Alamäe T, Phillipson M, Visnapuu T, Opdenakker G. Chlorite-Oxidized Oxyamylose (COAM) Has Antibacterial Activity and Positively Affects Skin Wound Healing. J Inflamm Res 2022; 15:4995-5008. [PMID: 36065319 PMCID: PMC9440681 DOI: 10.2147/jir.s375487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 07/30/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose To verify the antibacterial and immunomodulatory effects of the amylose derivative – chlorite-oxidized oxyamylose (COAM) – in a skin wound setting. Methods In vitro antibacterial effects of COAM against opportunistic bacterial pathogens common to skin wounds, including Staphylococcus aureus and methicillin-resistant Staphylococcus aureus (MRSA), were determined by cultivation methods. The effects of COAM on myeloid cell infiltration into full thickness skin wounds were investigated in wild-type and in transgenic CX3CR1-GFP mice. Results On the basis of in vitro experiments, an antibacterial effect of COAM against Staphylococcus species including MRSA was confirmed. The minimum inhibitory concentration of COAM was determined as 2000 µg/mL against these bacterial strains. Control full thickness skin wounds yielded maximal neutrophil influxes and no additive effect on neutrophil influx was observed following topical COAM-treatment. However, COAM administration increased local CX3CR1 macrophage counts at days 3 and 4 and induced a trend towards better wound healing. Conclusion Aside from its known broad antiviral impact, COAM possesses in vitro antibacterial effects specifically against Gram-positive opportunistic pathogens of the skin and modulates in vivo macrophage contents in mouse skin wounds.
Collapse
Affiliation(s)
- Rafaela Vaz Sousa Pereira
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Estefania Ugarte-Berzal
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jennifer Vandooren
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Karin Nylander
- Department of Medical Cell Biology, Division of Integrative Physiology, Uppsala University, Uppsala, Sweden
| | - Erik Martens
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Lieve Van Mellaert
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jo Van Damme
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jan Jeroen Vranckx
- Department of Development & Regeneration & Department of Plastic & Reconstructive Surgery, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Patrick Matthys
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Tiina Alamäe
- Department of Genetics, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Mia Phillipson
- Department of Medical Cell Biology, Division of Integrative Physiology, Uppsala University, Uppsala, Sweden
| | - Triinu Visnapuu
- Department of Genetics, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Ghislain Opdenakker
- Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
- Correspondence: Ghislain Opdenakker, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, Herestraat 49 Box 1044, Leuven, 3000, Belgium, Tel +32 16 37 9020, Fax +32 16 33 3026, Email
| |
Collapse
|
3
|
Chlorite oxidized oxyamylose differentially influences the microstructure of fibrin and self assembling peptide hydrogels as well as dental pulp stem cell behavior. Sci Rep 2021; 11:5687. [PMID: 33707502 PMCID: PMC7952722 DOI: 10.1038/s41598-021-84405-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 02/16/2021] [Indexed: 11/24/2022] Open
Abstract
Tailored hydrogels mimicking the native extracellular environment could help overcome the high variability in outcomes within regenerative endodontics. This study aimed to evaluate the effect of the chemokine-binding and antimicrobial polymer, chlorite-oxidized oxyamylose (COAM), on the microstructural properties of fibrin and self-assembling peptide (SAP) hydrogels. A further goal was to assess the influence of the microstructural differences between the hydrogels on the in vitro behavior of human dental pulp stem cells (hDPSCs). Structural and mechanical characterization of the hydrogels with and without COAM was performed by atomic force microscopy and scanning electron microscopy to characterize their microstructure (roughness and fiber length, diameter, straightness, and alignment) and by nanoindentation to measure their stiffness (elastic modulus). Then, hDPSCs were encapsulated in hydrogels with and without COAM. Cell viability and circularity were determined using confocal microscopy, and proliferation was determined using DNA quantification. Inclusion of COAM did not alter the microstructure of the fibrin hydrogels at the fiber level while affecting the SAP hydrogel microstructure (homogeneity), leading to fiber aggregation. The stiffness of the SAP hydrogels was sevenfold higher than the fibrin hydrogels. The viability and attachment of hDPSCs were significantly higher in fibrin hydrogels than in SAP hydrogels. The DNA content was significantly affected by the hydrogel type and the presence of COAM. The microstructural stability after COAM inclusion and the favorable hDPSCs' response observed in fibrin hydrogels suggest this system as a promising carrier for COAM and application in endodontic regeneration.
Collapse
|
4
|
van Gemst JJ, Kouwenberg M, Rops ALWMM, van Kuppevelt TH, Berden JH, Rabelink TJ, Loeven MA, van der Vlag J. Differential binding of chemokines CXCL1, CXCL2 and CCL2 to mouse glomerular endothelial cells reveals specificity for distinct heparan sulfate domains. PLoS One 2018; 13:e0201560. [PMID: 30248108 PMCID: PMC6152867 DOI: 10.1371/journal.pone.0201560] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/18/2018] [Indexed: 01/02/2023] Open
Abstract
INTRODUCTION Proliferative glomerulonephritis manifests in a range of renal diseases and is characterized by the influx of inflammatory cells into the glomerulus. Heparan sulfate (HS) is an important (co-)receptor for binding of chemokines, cytokines and leukocytes to the endothelial glycocalyx, a thick glycan layer that covers the inside of blood vessels. During glomerulonephritis, HS in the glomerular endothelial glycocalyx plays a central role in chemokine presentation and oligomerization, and in binding of selectins and integrins expressed by leukocytes. We hypothesize that distinct endothelial HS domains determine the binding of different chemokines. In this study we evaluated the interaction of three pro-inflammatory chemokines (CXCL1, CXCL2 and CCL2) with mouse glomerular endothelial cells (mGEnC-1) in ELISA in competition with different HS preparations and anti-HS single chain variable fragment (scFv) antibodies specific for distinct HS domains. RESULTS HS appeared to be the primary ligand mediating chemokine binding to the glomerular endothelial glycocalyx in vitro. We found differential affinities of CXCL1, CXCL2 and CCL2 for HS in isolated mGEnC-1 glycocalyx, heparan sulfate from bovine kidney or low molecular weight heparin in competition ELISAs using mGEnC-1 as a substrate, indicating that chemokine binding is affected by the domain structure of the different HS preparations. Blocking of specific HS domains with anti-HS scFv antibodies revealed a domain-specific interaction of the tested chemokines to HS on mGEnC-1. Furthermore, chemokines did not compete for the same binding sites on mGEnC-1. CONCLUSION CXCL1, CXCL2 and CCL2 binding to the glomerular endothelial glycocalyx appears differentially mediated by specific HS domains. Our findings may therefore contribute to the development of HS-based treatments for renal and possibly other inflammatory diseases specifically targeting chemokine-endothelial cell interactions.
Collapse
Affiliation(s)
- J. J. van Gemst
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - M. Kouwenberg
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - A. L. W. M. M. Rops
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - T. H. van Kuppevelt
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - J. H. Berden
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - T. J. Rabelink
- Department of Nephrology and Einthoven Laboratory for Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
| | - M. A. Loeven
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - J. van der Vlag
- Department of Nephrology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
- * E-mail:
| |
Collapse
|
5
|
Li S, Pettersson US, Hoorelbeke B, Kolaczkowska E, Schelfhout K, Martens E, Kubes P, Van Damme J, Phillipson M, Opdenakker G. Interference with glycosaminoglycan-chemokine interactions with a probe to alter leukocyte recruitment and inflammation in vivo. PLoS One 2014; 9:e104107. [PMID: 25093679 PMCID: PMC4122422 DOI: 10.1371/journal.pone.0104107] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 07/08/2014] [Indexed: 12/02/2022] Open
Abstract
In vivo leukocyte recruitment is not fully understood and may result from interactions of chemokines with glycosaminoglycans/GAGs. We previously showed that chlorite-oxidized oxyamylose/COAM binds the neutrophil chemokine GCP-2/CXCL6. Here, mouse chemokine binding by COAM was studied systematically and binding affinities of chemokines to COAM versus GAGs were compared. COAM and heparan sulphate bound the mouse CXC chemokines KC/CXCL1, MIP-2/CXCL2, IP-10/CXCL10 and I-TAC/CXCL11 and the CC chemokine RANTES/CCL5 with affinities in the nanomolar range, whereas no binding interactions were observed for mouse MCP-1/CCL2, MIP-1α/CCL3 and MIP-1β/CCL4. The affinities of COAM-interacting chemokines were similar to or higher than those observed for heparan sulphate. Although COAM did not display chemotactic activity by itself, its co-administration with mouse GCP-2/CXCL6 and MIP-2/CXCL2 or its binding of endogenous chemokines resulted in fast and cooperative peritoneal neutrophil recruitment and in extravasation into the cremaster muscle invivo. These local GAG mimetic features by COAM within tissues superseded systemic effects and were sufficient and applicable to reduce LPS-induced liver-specific neutrophil recruitment and activation. COAM mimics glycosaminoglycans and is a nontoxic probe for the study of leukocyte recruitment and inflammation invivo.
Collapse
Affiliation(s)
- Sandra Li
- Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | | | - Bart Hoorelbeke
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Elzbieta Kolaczkowska
- Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
- Jagiellonian University, Krakow, Poland
- Snyder Institute for Chronic Diseases, and Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
| | - Katrien Schelfhout
- Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Erik Martens
- Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Paul Kubes
- Snyder Institute for Chronic Diseases, and Department of Physiology and Pharmacology, University of Calgary, Calgary, Canada
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Mia Phillipson
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
- * E-mail:
| |
Collapse
|
6
|
Vandooren J, Berghmans N, Dillen C, Van Aelst I, Ronsse I, Israel LL, Rosenberger I, Kreuter J, Lellouche JP, Michaeli S, Locatelli E, Franchini MC, Aiertza MK, Sánchez-Abella L, Loinaz I, Edwards DR, Shenkman L, Opdenakker G. Intradermal air pouch leukocytosis as an in vivo test for nanoparticles. Int J Nanomedicine 2013; 8:4745-56. [PMID: 24379662 PMCID: PMC3867323 DOI: 10.2147/ijn.s51628] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The need for test systems for nanoparticle biocompatibility, toxicity, and inflammatory or adaptive immunological responses is paramount. Nanoparticles should be free of microbiological and chemical contaminants, and devoid of toxicity. Nevertheless, in the absence of contamination, these particles may still induce undesired immunological effects in vivo, such as enhanced autoimmunity, hypersensitivity reactions, and fibrosis. Here we show that artificial particles of specific sizes affect immune cell recruitment as tested in a dermal air pouch model in mice. In addition, we demonstrate that the composition of nanoparticles may influence immune cell recruitment in vivo. Aside from biophysical characterizations in terms of hydrodynamic diameter, zeta potential, concentration, and atomic concentration of metals, we show that – after first-line in vitro assays – characterization of cellular and molecular effects by dermal air pouch analysis is straightforward and should be included in the quality control of nanoparticles. We demonstrate this for innate immunological effects such as neutrophil recruitment and the production of immune-modulating matrix metalloproteases such as MMP-9; we propose the use of air pouch leukocytosis analysis as a future standard assay.
Collapse
Affiliation(s)
- Jennifer Vandooren
- Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Nele Berghmans
- Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Chris Dillen
- Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Ilse Van Aelst
- Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Isabelle Ronsse
- Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Liron Limor Israel
- Department of Chemistry and Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, Tel Aviv, Israel
| | - Ina Rosenberger
- Institut für Pharmazeutische Technologie, Johann Wolfgang Goethe-Universität, Frankfurt, Germany
| | - Jörg Kreuter
- Institut für Pharmazeutische Technologie, Johann Wolfgang Goethe-Universität, Frankfurt, Germany
| | - Jean-Paul Lellouche
- Department of Chemistry and Institute of Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat Gan, Tel Aviv, Israel
| | - Shulamit Michaeli
- The Mina and Everard Goodman Faculty of Life Sciences and Advanced Materials and Nanotechnology Institute, Bar-Ilan University, Ramat Gan, Tel Aviv, Israel
| | - Erica Locatelli
- Department of Industrial Chemistry Toso Montanari, University of Bologna, Bologna, Italy
| | - Mauro Comes Franchini
- Department of Industrial Chemistry Toso Montanari, University of Bologna, Bologna, Italy
| | - Miren K Aiertza
- New Materials Department, Fundación CIDETEC, San Sebastián, Spain
| | | | - Iraida Loinaz
- New Materials Department, Fundación CIDETEC, San Sebastián, Spain
| | - Dylan R Edwards
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | | | | |
Collapse
|
7
|
Saldova R, Piccard H, Pérez-Garay M, Harvey DJ, Struwe WB, Galligan MC, Berghmans N, Madden SF, Peracaula R, Opdenakker G, Rudd PM. Increase in sialylation and branching in the mouse serum N-glycome correlates with inflammation and ovarian tumour progression. PLoS One 2013; 8:e71159. [PMID: 24023608 PMCID: PMC3758313 DOI: 10.1371/journal.pone.0071159] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Accepted: 06/11/2013] [Indexed: 12/20/2022] Open
Abstract
Ovarian cancer is the most lethal gynaecological cancer and is often diagnosed in late stage, often as the result of the unavailability of sufficiently sensitive biomarkers for early detection, tumour progression and tumour-associated inflammation. Glycosylation is the most common posttranslational modification of proteins; it is altered in cancer and therefore is a potential source of biomarkers. We investigated the quantitative and qualitative effects of anti-inflammatory (acetylsalicylic acid) and pro-inflammatory (thioglycolate and chlorite-oxidized oxyamylose) drugs on glycosylation in mouse cancer serum. A significant increase in sialylation and branching of glycans in mice treated with an inflammation-inducing compound was observed. Moreover, the increases in sialylation correlated with increased tumour sizes. Increases in sialylation and branching were consistent with increased expression of sialyltransferases and the branching enzyme MGAT5. Because the sialyltransferases are highly conserved among species, the described changes in the ovarian cancer mouse model are relevant to humans and serum N-glycome analysis for monitoring disease treatment and progression might be a useful biomarker.
Collapse
Affiliation(s)
- Radka Saldova
- National Institute for Bioprocessing Research and Training (NIBRT) GlycoScience Group, Dublin, Ireland
| | - Helene Piccard
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Marta Pérez-Garay
- Unitat de Bioquímica i Biologia Molecular, Departament de Biologia, Universitat de Girona, Girona, Spain
| | - David J. Harvey
- National Institute for Bioprocessing Research and Training (NIBRT) GlycoScience Group, Dublin, Ireland
- Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, Oxford, United Kingdom
| | - Weston B. Struwe
- National Institute for Bioprocessing Research and Training (NIBRT) GlycoScience Group, Dublin, Ireland
| | - Marie C. Galligan
- School of Mathematical Sciences, University College Dublin, Dublin, Ireland
| | - Nele Berghmans
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Stephen F. Madden
- National Institute for Cellular Biotechnology, Dublin City University, Dublin, Ireland
| | - Rosa Peracaula
- Unitat de Bioquímica i Biologia Molecular, Departament de Biologia, Universitat de Girona, Girona, Spain
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Pauline M. Rudd
- National Institute for Bioprocessing Research and Training (NIBRT) GlycoScience Group, Dublin, Ireland
- * E-mail:
| |
Collapse
|
8
|
Berghmans N, Heremans H, Li S, Martens E, Matthys P, Sorokin L, Van Damme J, Opdenakker G. Rescue from acute neuroinflammation by pharmacological chemokine-mediated deviation of leukocytes. J Neuroinflammation 2012; 9:243. [PMID: 23095573 PMCID: PMC3526473 DOI: 10.1186/1742-2094-9-243] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Accepted: 10/11/2012] [Indexed: 11/10/2022] Open
Abstract
Background Neutrophil influx is an important sign of hyperacute neuroinflammation, whereas the entry of activated lymphocytes into the brain parenchyma is a hallmark of chronic inflammatory processes, as observed in multiple sclerosis (MS) and its animal models of experimental autoimmune encephalomyelitis (EAE). Clinically approved or experimental therapies for neuroinflammation act by blocking leukocyte penetration of the blood brain barrier. However, in view of unsatisfactory results and severe side effects, complementary therapies are needed. We have examined the effect of chlorite-oxidized oxyamylose (COAM), a potent antiviral polycarboxylic acid on EAE. Methods EAE was induced in SJL/J mice by immunization with spinal cord homogenate (SCH) or in IFN-γ-deficient BALB/c (KO) mice with myelin oligodendrocyte glycoprotein peptide (MOG35-55). Mice were treated intraperitoneally (i.p.) with COAM or saline at different time points after immunization. Clinical disease and histopathology were compared between both groups. IFN expression was analyzed in COAM-treated MEF cell cultures and in sera and peritoneal fluids of COAM-treated animals by quantitative PCR, ELISA and a bioassay on L929 cells. Populations of immune cell subsets in the periphery and the central nervous system (CNS) were quantified at different stages of disease development by flow cytometry and differential cell count analysis. Expression levels of selected chemokine genes in the CNS were determined by quantitative PCR. Results We discovered that COAM (2 mg i.p. per mouse on days 0 and 7) protects significantly against hyperacute SCH-induced EAE in SJL/J mice and MOG35-55-induced EAE in IFN-γ KO mice. COAM deviated leukocyte trafficking from the CNS into the periphery. In the CNS, COAM reduced four-fold the expression levels of the neutrophil CXC chemokines KC/CXCL1 and MIP-2/CXCL2. Whereas the effects of COAM on circulating blood and splenic leukocytes were limited, significant alterations were observed at the COAM injection site. Conclusions These results demonstrate novel actions of COAM as an anti-inflammatory agent with beneficial effects on EAE through cell deviation. Sequestration of leukocytes in the non-CNS periphery or draining of leukocytes out of the CNS with the use of the chemokine system may thus complement existing treatment options for acute and chronic neuroinflammatory diseases.
Collapse
Affiliation(s)
- Nele Berghmans
- Rega Institute for Medical Research, Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | | | | | | | | | | | | | | |
Collapse
|
9
|
De Vooght V, Smulders S, Haenen S, Belmans J, Opdenakker G, Verbeken E, Nemery B, Hoet PHM, Vanoirbeek JAJ. Neutrophil and eosinophil granulocytes as key players in a mouse model of chemical-induced asthma. Toxicol Sci 2012; 131:406-18. [PMID: 23091170 DOI: 10.1093/toxsci/kfs308] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Diisocyanates are an important cause of chemical-induced occupational asthma. This type of immunologically mediated asthma is often characterized by a predominant granulocytic inflammation in the airways, rather than an infiltration by lymphocytes. We sought to determine the contribution of granulocytes in the outcome of chemical-induced asthma using general and specific leukocyte depletion strategies in an established mouse model of isocyanate asthma. On days 1 and 8, BALB/c mice received dermal applications with toluene-2,4-diisocyanate (TDI) or vehicle (acetone olive oil), followed by two ip injections of cyclophosphamide (CP, days 11 and 13), or one iv injection of antigranulocyte receptor 1 (aGR1, day 13) monoclonal antibody (mAb), or two ip injections of Ly6G-specific mAb (1A8, days 13 and 14). On day 15, the mice were challenged (oropharyngeal administration) with TDI or vehicle. The next day, we assessed methacholine airway hyperreactivity (AHR); bronchoalveolar lavage differential cell count; histopathology and total serum IgE; and auricular lymphocyte subpopulations and release of interleukin (IL)-2, IL-4, IL-10, IL-13, and gamma interferon by these lymphocytes. CP depleted all leukocyte types and completely prevented AHR and airway inflammation. aGR1 depleted granulocytes and CD8(+) lymphocytes, which resulted in a partial prevention in AHR but no decrease in airway inflammation. Depletion of Ly6G-positive granulocytes, i.e., both neutrophils and eosinophils, prevented AHR and lung epithelial damage and significantly reduced airway inflammation. Injection of aGR1 or 1A8 led to significantly changed cytokine release patterns in TDI-treated mice. Granulocytes, both neutrophils and eosinophils, are key cellular players in this model of chemical-induced asthma.
Collapse
Affiliation(s)
- Vanessa De Vooght
- Occupational, Environmental and Insurance Medicine, KU Leuven, Herestraat 49 Mailbox 706, B-3000 Leuven, Belgium.
| | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Piccard H, Berghmans N, Korpos E, Dillen C, Aelst IV, Li S, Martens E, Liekens S, Noppen S, Damme JV, Sorokin L, Opdenakker G. Glycosaminoglycan mimicry by COAM reduces melanoma growth through chemokine induction and function. Int J Cancer 2011; 131:E425-36. [PMID: 21953247 DOI: 10.1002/ijc.26465] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Accepted: 08/02/2011] [Indexed: 11/08/2022]
Abstract
Chlorite-oxidized oxyamylose (COAM), a glycosaminoglycan mimetic and potent antiviral agent, provided significant growth reduction of syngeneic murine B16-F1 melanoma tumors. A single early dose (100 μg, into the site of tumor cell inoculation) was sufficient to establish a persistent effect over 17 days (resected tumor volume of 78.3 mm(3) in COAM-treated mice compared to 755.2 mm(3) in the control cohort, i.e., 89.6% reduction of tumor volumes). COAM was a much better antitumoral agent than the polyanionic glycosaminoglycan heparin. COAM retained its antitumoral effect in lymphopenic mice, reinforcing the idea of myeloid cell involvement. Massive recruitment of myeloid cells into dermal air pouches in response to COAM and their increased presence in early-treated tumors indicated that mainly CD11b(+) GR-1(+) myeloid cells were attracted by COAM to exert antitumoral effects. Leukocyte chemotaxis was mediated by the chemokine system through the induction in B16-F1 cells of mouse granulocyte chemotactic protein-2/CXCL6 upon COAM treatment. Thus, COAM constitutes a novel tool to study the role of innate immune cells in the initial stages of tumor development and an example that innate immunostimulating glycosaminoglycan mimicry may be exploited therapeutically.
Collapse
Affiliation(s)
- Helene Piccard
- Rega Institute for Medical Research, University of Leuven, Belgium
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Opdenakker G, Van Damme J. Probing cytokines, chemokines and matrix metalloproteinases towards better immunotherapies of multiple sclerosis. Cytokine Growth Factor Rev 2011; 22:359-65. [DOI: 10.1016/j.cytogfr.2011.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
|