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Cassini-Vieira P, de Carvalho Santuchi M, da Silva RF, Russo RC, Araújo FA, Dos Santos RAS, Andrade SP, Teixeira MM, Barcelos LS. Lack of interferon-gamma attenuates foreign body reaction to subcutaneous implants in mice. J Biomed Mater Res A 2018; 106:2243-2250. [PMID: 29577602 DOI: 10.1002/jbm.a.36416] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 03/09/2018] [Accepted: 03/21/2018] [Indexed: 12/11/2022]
Abstract
Subcutaneous implantation of synthetic materials and biomedical devices often induces abnormal tissue healing - the foreign body reaction-which impairs their function. In particular, Interferon-γ (IFN-γ) is a critical endogenous mediator of inflammation and plays a key role in a wide variety of biological responses including tissue healing. However, the contribution of endogenous IFN-γ on different features of the foreign body response induced by synthetic implants regarding neovascularization, inflammation, and fibrogenesis is not well known. Here, we evaluated inflammatory angiogenesis and fibrogenesis induced by implantation of polyether-polyurethane sponges in mice targeted disrupted of the interferon-γ gene (IFN-γ-/- ) and wild-type (WT). The hemoglobin content, the number of vessels, and blood flow (evaluated by LDPI-laser Doppler perfusion imaging) were decreased in the implants from IFN-γ-/- as compared to WT mice. Likewise, neutrophils and macrophages accumulation (MPO and NAG activities, respectively) was decreased in IFN-γ-/- implants. Interestingly, while the local content of VEGF, TNF-α, CXCL-1/KC, as measured by ELISA, and iNOS expression, as measured by qPCR, were significantly reduced, the content of IL-10 was greatly increased in the implants from IFN-γ-/- mice as compared to WT mice. No alterations were observed in CCL-2/MCP-1 levels. Lastly, the collagen deposition, assessed by Picro-Sirius red-stained histological sections, was also reduced in IFN-γ-/- implants. Altogether, these data suggest that IFN-γ activity contributes to inflammatory angiogenesis and fibrogenesis in synthetic implants and that lack of IFN-γ expression attenuates foreign body reaction to implants in mice. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 2243-2250, 2018.
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Affiliation(s)
- Puebla Cassini-Vieira
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Melissa de Carvalho Santuchi
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Rafaela Fernandes da Silva
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Remo Castro Russo
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Fernanda Assis Araújo
- Área de Ciências Fisiológicas-ARFIS, Universidade Federal de Uberlândia (UFU), Minas Gerais, Brasil
| | - Robson Augusto Souza Dos Santos
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Silvia Passos Andrade
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
| | - Mauro Martins Teixeira
- Departamentos de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Minas Gerais, Brasil
| | - Luciola Silva Barcelos
- Departamentos de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Brasil
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Transplantation of Encapsulated Pancreatic Islets as a Treatment for Patients with Type 1 Diabetes Mellitus. Adv Med 2014; 2014:429710. [PMID: 26556410 PMCID: PMC4590955 DOI: 10.1155/2014/429710] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 11/30/2013] [Indexed: 12/19/2022] Open
Abstract
Encapsulation of pancreatic islets has been proposed and investigated for over three decades to improve islet transplantation outcomes and to eliminate the side effects of immunosuppressive medications. Of the numerous encapsulation systems developed in the past, microencapsulation have been studied most extensively so far. A wide variety of materials has been tested for microencapsulation in various animal models (including nonhuman primates or NHPs) and some materials were shown to induce immunoprotection to islet grafts without the need for chronic immunosuppression. Despite the initial success of microcapsules in NHP models, the combined use of islet transplantation (allograft) and microencapsulation has not yet been successful in clinical trials. This review consists of three sections: introduction to islet transplantation, transplantation of encapsulated pancreatic islets as a treatment for patients with type 1 diabetes mellitus (T1DM), and present challenges and future perspectives.
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van Putten SM, Ploeger DT, Popa ER, Bank RA. Macrophage phenotypes in the collagen-induced foreign body reaction in rats. Acta Biomater 2013; 9:6502-10. [PMID: 23376130 DOI: 10.1016/j.actbio.2013.01.022] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 12/10/2012] [Accepted: 01/17/2013] [Indexed: 01/23/2023]
Abstract
Implantation of biomaterials into the body elicits a material-dependent inflammatory response called the foreign body reaction (FBR). Macrophages play a pivotal role in the FBR by orchestrating the pro-inflammatory microenvironment around the biomaterials by secreting cytokines, chemokines and growth factors. When the biomaterial is porous or degradable, macrophages can migrate into the material and continue the generation of a pro-inflammatory microenvironment inside the materials. They also regulate the degradation of biomaterials by secreting proteolytic enzymes and by phagocytosis. We hypothesize that macrophages present in the different microenvironments of the FBR have different phenotypes. Fundamental knowledge of the phenotypes of macrophages and their dynamics during the FBR will contribute to our overall understanding of the mechanisms involved in the FBR, and may provide us with additional tools to modulate the FBR. To investigate the phenotype of macrophages in the FBR, we validated phenotype-specific markers for rat macrophages in vitro by stimulating them with IFNγ/LPS, IL4/IL13 or IL4/dexamethasone to induce classically activated macrophages (M1φ) or alternatively activated macrophages (M2φ). Gene expression analysis, Western blot and immunohistochemistry revealed that iNOS and CD206 are specifically expressed by M1φ and M2φ, respectively. Using these markers, we investigated the distribution of M1φ and M2φ in the FBR induced by subcutaneously implanted hexamethylenediisocyanate cross-linked dermal sheep collagen (HDSC) disks in AO rats. We found that part of the macrophages display an M2 phenotype, whereas the M1phenotype was not detected. Our data suggest that many macrophages in the FBR induced by HDSC do not fit into the classical M1 or M2 dichotomy.
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Kurihara Y, Furue M. Interferon-γ enhances phorbol myristate acetate-induced cell attachment and tumor necrosis factor production via the NF-κB pathway in THP-1 human monocytic cells. Mol Med Rep 2013; 7:1739-44. [PMID: 23589028 DOI: 10.3892/mmr.2013.1419] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2013] [Accepted: 04/02/2013] [Indexed: 12/30/2022] Open
Abstract
During inflammation, activated macrophages express adhesion molecules and produce cytokines that interact with other hematopoietic and stromal cells. THP-1 non-adherent human monocytic cells differentiate into plastic-adherent macrophages via αVβ3 integrin, by ERK activation in the presence of phorbol myristate acetate (PMA). This has proven to be a valuable model for investigating functional monocyte/macrophage diversity. Interferon-γ (IFN-γ) is a Th1-cytokine that is crucial in macrophage activation. In this study, we investigated the effects of IFN-γ on adhesion and the secretion of tumor necrosis factor (TNF) by PMA-stimulated THP-1 cells. IFN-γ is incapable of inducing cell attachment and TNF production; however, it cumulatively upregulated PMA-induced basal adhesion and TNF production. IFN-γ increased αV integrin, ICAM-1 and VCAM-1 expression and among these PMA-induced cell surface adhesion molecules, the blocking antibody for αV integrin suppressed adhesion and TNF production. Furthermore, IFN-γ enhanced PMA-induced NF-κB phosphorylation and not ERK phosphorylation. Accordingly, the NF-κB pathway inhibitor (BAY 11-7082) inhibited the enhancing effect of IFN-γ on adhesion and TNF production. By contrast, the MEK inhibitor (U0126) almost completely eliminated PMA-induced basal adhesion and TNF production. In conclusion, IFN-γ regulates macrophage activation by mediating the NF-κB signaling pathway.
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Affiliation(s)
- Yuichi Kurihara
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan.
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Ye Q, van Amerongen MJ, Sandham JA, Bank RA, van Luyn MJA, Harmsen MC. Site-specific tissue inhibitor of metalloproteinase-1 governs the matrix metalloproteinases-dependent degradation of crosslinked collagen scaffolds and is correlated with interleukin-10. J Tissue Eng Regen Med 2011; 5:264-74. [DOI: 10.1002/term.311] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kokkonen H, Niiranen H, Schols HA, Morra M, Stenbäck F, Tuukkanen J. Pectin-coated titanium implants are well-toleratedin vivo. J Biomed Mater Res A 2009; 93:1404-9. [DOI: 10.1002/jbm.a.32649] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Abstract
This review deals with the contemporary investigations of carcinogenesis induced by foreign bodies. The main attention is given to the interactions of macrophages with an implanted foreign body and their possible role in tumorigenesis.
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Affiliation(s)
- T G Moizhess
- Institute of Carcinogenesis, Blokhin Cancer Research Center, Russian Academy of Medical Sciences, Moscow, 115478, Russia.
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Marques AP, Reis RL, Hunt JA. AnIn Vivo Study of the Host Response to Starch-Based Polymers and Composites Subcutaneously Implanted in Rats. Macromol Biosci 2005; 5:775-85. [PMID: 16080170 DOI: 10.1002/mabi.200500010] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Implant failure is one of the major concerns in the biomaterials field. Several factors have been related to the fail but in general these biomaterials do not exhibit comparable physical, chemical or biological properties to natural tissues and ultimately, these devices can lead to chronic inflammation and foreign-body reactions. Starch-based biodegradable materials and composites have shown promising properties for a wide range of biomedical applications as well as a reduced capacity to elicit a strong reaction from immune system cells in vitro. In this work, blends of corn starch with ethylene vinyl alcohol (SEVA-C), cellulose acetate (SCA) and polycaprolactone (SPCL), as well as hydroxyapatite (HA) reinforced starch-based composites, were investigated in vivo. The aim of the work was to assess the host response evoked for starch-based biomaterials, identifying the presence of key cell types. The tissues surrounding the implant were harvested together with the material and processed histologically for evaluation using immunohistochemistry. At implant retrieval there was no cellular exudate around the implants and no macroscopic signs of an inflammatory reaction in any of the animals. The histological analysis of the sectioned interface tissue after immunohistochemical staining using ED1, ED2, CD54, MHC class II and alpha/beta antibodies showed positively stained cells for all antibodies, except for alpha/beta for all the implantation periods, where it was different for the various polymers and for the period of implantation. SPCL and SCA composites were the materials that stimulated the greatest cellular tissue responses, but generally biodegradable starch-based materials did not induce a severe reaction for the studied implantation times, which contrasts with other types of degradable polymeric biomaterials.
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Affiliation(s)
- Alexandra P Marques
- Department of Polymer Engineering, University of Minho, Campus de Azurém, 4810-058 Guimarães, Portugal.
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De Jong WH, Eelco Bergsma J, Robinson JE, Bos RRM. Tissue response to partially in vitro predegraded poly-L-lactide implants. Biomaterials 2005; 26:1781-91. [PMID: 15576152 DOI: 10.1016/j.biomaterials.2004.06.026] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2004] [Accepted: 06/01/2004] [Indexed: 10/26/2022]
Abstract
The in vivo local reaction of as-polymerized poly-L-lactide composed of 96% L-lactide and 4% D-lactide (PLA96) was investigated by histology at 2, 13 and 26 weeks after subcutaneous implantation in rats. In order to simulate possible end stage reactions the PLA96 was also predegraded in vitro until approximately 50% weight loss. The local reaction of predegraded PLA (PLA96(168)) was compared to the local reaction of polyethylene (PE) and non-predegraded PLA (PLA96). For PE and PLA96 a mild local reaction was observed at all time points consisting of a minimal layer of macrophage like cells with incidentally multinucleated giant cells at the implant interface, surrounded by a mild connective tissue capsule. For PLA96 at weeks 13 and 26 some minimal alterations in terms of degradation and ingrowth of cells was noted. The in vitro incubation (90 degrees C for 168 h) of PLA96(168) resulted for the thin 0.2 mm samples in complete degradation. Predegraded 0.5, 1.0 and 2.0 mm PLA96(168) samples were implanted and evaluated. The 1.0 and 2.0 mm samples could be evaluated for all time points investigated, but some 0.5 mm PLA96(168) samples were already completely resorbed at week 2 after implantation. In general, responses found for the predegraded PLA96(168) at weeks 2, 13 and 26 were similar with a pronounced macrophage infiltrate containing birefringent material, encapsulation of polymer fragments, and the presence of a debris area consisting of polymer and cellular remnants. In lymph nodes foamy macrophages with birefringent material were only observed in lymph nodes draining sites with predegraded PLA96(168). Immunohistochemistry was performed for further characterization of the cellular infiltrate. At the implant interface of the non-degrading PE and PLA96, ED1 and OX6 (MHC class II) positive cells were identified. In the capsule macrophage like cells expressed all three macrophage markers ED1, ED2, and ED3. CD4 and CD8 positive cells, indicating T helper and T supressor/cytotoxic cells, respectively, could be observed in low numbers, CD4 more than CD8. Both CD4 and CD8 were occasionally observed within the degrading PLA96(168) implant. Polymorphonuclear neutrophilic granulocytes were mainly observed at 2 weeks after implantation. We showed that predegradation could be used as a means to study late tissue reactions to polymers. Complete degradation may be studied with relatively thin implants, but this may lead to rather optimistic interpretation of resorption periods. When materials are intended to be used for screws and/or plates for bone fixation, implants of at least 1.0-2.0 mm thickness should be used as these may show a more realistic representation of the resorption characteristics of the material under investigation.
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Affiliation(s)
- Wim H De Jong
- Laboratory for Toxicology, Pathology and Genetics, National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands.
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Schlosser M, Zippel R, Hoene A, Urban G, Ueberrueck T, Marusch F, Koch A, Meyer L, Wilhelm L. Antibody response to collagen after functional implantation of different polyester vascular prostheses in pigs. J Biomed Mater Res A 2005; 72:317-25. [PMID: 15654697 DOI: 10.1002/jbm.a.30240] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Besides inflammation, specific immune responses are seen also after implantation of biomaterials. The aim was to investigate the humoral response to bovine collagen type I following implantation of various polyester (Dacron) prostheses into pigs. In 24 randomized pigs, the infrarenal aorta was replaced with a segment of collagen-impregnated, woven polyester prosthesis of low, medium, or high porosity. IgG antibodies were detected by immunoassay using native and denatured collagen type I as a target for blood samples taken on day 1 (implantation), 10, 17, 24, 62, and 116. As generally observed, antibodies to native and denatured collagen are of low titer and were significantly correlated with enhanced binding to the denatured form (p < 0.001). The highest overall antibody prevalence to native and denatured collagen was obtained on day 116 with 68% and on day 62 with 59%, respectively. Prostheses with high porosity induced an early immune response on day 10; those with low and medium porosity induced the highest antibody levels later after 2 months. Collagen antibodies neither correlated with serum IgG contents nor with antibodies to the prosthesis polyester matrix. Thus, humoral immune response against implant components may provide a further parameter in describing biocompatibility but also a potential marker that may facilitate monitoring of individual perigraft reaction.
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Affiliation(s)
- M Schlosser
- Institute of Pathophysiology of the Ernst Moritz Arndt University Greifswald, Karlsburg D-17495, Germany.
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Khouw IM, van Wachem PB, Plantinga JA, de Leij LF, van Luyn MJ. Enzyme and cytokine effects on the impaired onset of the murine foreign-body reaction to dermal sheep collagen. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2001; 54:234-40. [PMID: 11093183 DOI: 10.1002/1097-4636(200102)54:2<234::aid-jbm10>3.0.co;2-s] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Subcutaneous implantation of biodegradable hexamethylenediisocyanate crosslinked dermal sheep collagen (HDSC) elicited little foreign-body reaction in mice in contrast to rats. If the factor(s) resulting in this minor foreign-body reaction are better understood, this knowledge can be used to modulate unwanted foreign-body reactions. Therefore, we investigated whether the phagocytic potential of murine macrophages and giant cells could be enhanced. Disks of HDSC were predegraded with collagenase or impregnated with tumor necrosis factor-alpha (TNF-alpha) or interferon-gamma (IFN-gamma) before implantation in 129 SVEV mice. Explantation was performed on days 7, 14, 21, and 28 and the disks were evaluated at the (immuno) light and transmission electron-microscopic levels. More giant cells were present in the predegraded disks. Cells were associated with the HDSC bundles, and the onset of phagocytosis started on day 28, in contrast to the controls and the disks impregnated with the cytokines. Expression of MHC class II was minimal in all groups. The matrix metalloproteinases MMP-2 and MMP-9 were expressed in all groups although on day 28 MMP-9 expression was higher in the predegraded disks. Thus, predegradation only slightly enhanced the onset of the foreign-body reaction to HDSC in mice, and impregnation with cytokines not at all. This suggests that lack of proteolytic enzymes or TNF-alpha or IFN-gamma is not the cause of the impaired onset of the foreign-body reaction.
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Affiliation(s)
- I M Khouw
- Department of Pathology and Laboratory Medicine, Medical Biology Branch, Tissue Engineering, University of Groningen, Hanzeplein 1, Entrance 25, 9713 GZ Groningen, The Netherlands
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Khouw IM, van Wachem PB, Molema G, Plantinga JA, de Leij LF, van Luyn MJ. The foreign body reaction to a biodegradable biomaterial differs between rats and mice. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 52:439-46. [PMID: 11007611 DOI: 10.1002/1097-4636(20001205)52:3<439::aid-jbm1>3.0.co;2-c] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Before a biomaterial can be applied in the clinic, biocompatibility must be tested in in vivo models, by monitoring the foreign body reaction. In this study, we compared the foreign body reaction (FBR) to the biodegradable biomaterial hexamethylenediisocyanate crosslinked dermal sheep collagen (HDSC) between several strains of rats and mice. HDSC disks were implanted subcutaneously on the backs of AO, BN, F344, LEW, and PVG rats and on the backs of 129 SVEV, BALB/c, and C57BL/6 mice. Materials were explanted after 7, 14, 21, and 28 days and processed for (immuno) light and transmission electron microscopic evaluation. In all rat strains, giant cell formation and phagocytosis of HDSC bundles were comparable. In addition, in the PVG rat, many plasma cells infiltrated the HDSC disks. Only a few T cells were present in AO and PVG rats, whereas, in F344 and LEW rats, the presence of T cells was more pronounced. BN rats showed an intermediate T-cell infiltration. In mice, the FBR to HDSC was comparable between the different strains. Compared with rats, giant cell formation was limited, whereas stroma formation was more abundant. Phagocytosis of HDSC bundles rarely occurred in mice, whereas calcification was observed more often. It is concluded that the FBR to HDSC clearly differs between rats and mice. This has consequences for assessment studies on biocompatibility and also on fundamental biomaterial research.
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Affiliation(s)
- I M Khouw
- Department of Pathology and Laboratory Medicine, Medical Biology Branch, Tissue Engineering, University of Groningen, Hanzepkin 1, 9713 GZ Groningen, The Netherlands
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