Effect of chemical structure of hydrogels on the adhesion and phenotypic characteristics of human monocytes such as expression of galectins and other carbohydrate-binding sites

The reactivity of diverse immune aspects to the presence of synthetic polymers represents one of the most important aspects of implantable device biocompatibility. In this report, we show the effect of the chemical structure of a synthetic polymer support on monocyte adhesion and selected phenotypic...

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Veröffentlicht in:Biomaterials 1997-07, Vol.18 (14), p.1009-1014
Hauptverfasser: Smetana, Karel, Lukáš, Jaromír, Palečková, Věra, Bartůňková, Jiřina, Liu, Fu-Tong, Vacík, Jiří, Gabius, Hans-Joachim
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container_end_page 1014
container_issue 14
container_start_page 1009
container_title Biomaterials
container_volume 18
creator Smetana, Karel
Lukáš, Jaromír
Palečková, Věra
Bartůňková, Jiřina
Liu, Fu-Tong
Vacík, Jiří
Gabius, Hans-Joachim
description The reactivity of diverse immune aspects to the presence of synthetic polymers represents one of the most important aspects of implantable device biocompatibility. In this report, we show the effect of the chemical structure of a synthetic polymer support on monocyte adhesion and selected phenotypic characteristics in vitro as a model for the initial steps of non-self-recognition of an implant. The extent of monocyte adhesion was significantly influenced by the support chemistry. The highest level of monocyte adhesion was observed on a surface copolymer of 2-hydroxyethyl methacrylate with dimethyl aminoethyl methacrylate relative to results of experiments in which poly(2-hydroxyethyl methacrylate) or the copolymer of 2-hydroxyethyl methacrylate with the sodium salt of methacrylic acid was used. Cell adhesion to the polymers tested and to glass was accompanied by enhanced expression of the carbohydrate-binding sites tested for asialoglycoprotein β-galactosides such as galectins, β- N-acetylgalactosamine, α-mannoside, specific lectin for heparin as well as the lymphokine-macrophage migration inhibitory factor in the monocytes tested. These results suggest the importance of monocyte adhesion to the biomaterial surface for their development into macrophages and further non-self-recognition of the implanted device.
doi_str_mv 10.1016/S0142-9612(97)00037-9
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In this report, we show the effect of the chemical structure of a synthetic polymer support on monocyte adhesion and selected phenotypic characteristics in vitro as a model for the initial steps of non-self-recognition of an implant. The extent of monocyte adhesion was significantly influenced by the support chemistry. The highest level of monocyte adhesion was observed on a surface copolymer of 2-hydroxyethyl methacrylate with dimethyl aminoethyl methacrylate relative to results of experiments in which poly(2-hydroxyethyl methacrylate) or the copolymer of 2-hydroxyethyl methacrylate with the sodium salt of methacrylic acid was used. Cell adhesion to the polymers tested and to glass was accompanied by enhanced expression of the carbohydrate-binding sites tested for asialoglycoprotein β-galactosides such as galectins, β- N-acetylgalactosamine, α-mannoside, specific lectin for heparin as well as the lymphokine-macrophage migration inhibitory factor in the monocytes tested. 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identifier ISSN: 0142-9612
ispartof Biomaterials, 1997-07, Vol.18 (14), p.1009-1014
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subjects Acetylgalactosamine - metabolism
biocompatability
Biocompatible Materials - chemistry
Biocompatible Materials - metabolism
Biological and medical sciences
Cell Adhesion - physiology
endogenous lectins
galectins
Gels
Gene Expression Regulation - genetics
Glass
Heparin - metabolism
Humans
Immunohistochemistry
Lectins - biosynthesis
Lectins - genetics
Macrophages
Mannosides - metabolism
Medical sciences
Methacrylates - chemistry
Methacrylates - metabolism
Monocytes - cytology
Monocytes - metabolism
Phenotype
Polymers
Prostheses and Implants
Structure-Activity Relationship
Surface Properties
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Technology. Biomaterials. Equipments
title Effect of chemical structure of hydrogels on the adhesion and phenotypic characteristics of human monocytes such as expression of galectins and other carbohydrate-binding sites
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