Is cell culture stressful? Effects of degradable and nondegradable culture surfaces on U937 cell function
In vitro cell culture has become one of the most widely used techniques in biological and health sciences research, with the most common culture supports being either tissue culture grade polystyrene (TCPS) or polydimethylsiloxane (PDMS). It has previously been shown that monocyte-derived macrophage...
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Published in | BioTechniques Vol. 42; no. 6; pp. 744 - 750 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Natick, MA
Future Science Ltd
01.06.2007
Eaton Taylor & Francis Group |
Subjects | |
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Abstract | In vitro cell culture has become one of the most widely used techniques in biological and health sciences research, with the most common culture supports being either tissue culture grade polystyrene (TCPS) or polydimethylsiloxane (PDMS). It has previously been shown that monocyte-derived macrophages (MDMs) respond to material surface chemistry, synthesizing and releasing degradative activities that could produce products, which alter the cell's response. In this study, functional parameters of differentiated U937 macrophage-like cells were compared when cultured on nondegradable standard control surfaces versus models of biomaterials (polycarbonate-based polyurethanes) used in the manufacture of medical devices previously shown to degrade and/or elicit pathways of inflammation. Although the influence of PDMS and TCPS on cell function is often underappreciated by investigators, both surfaces elicited enzyme markers of inflammation. Cells on TCPS had the highest intracellular and released esterase activities and protein levels. Cells on PDMS had the most released acid phosphatase activity and protein (
<0.001), as well as de novo 57− and 59− kDa released proteins. The criteria for defining an activated cell phenotype become critically important when materials such as PDMS and TCPS are used as standard control surfaces whether in experiments for research in elucidating metabolic pathways or in screening drugs and materials for therapeutic uses. |
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AbstractList | In vitro cell culture has become one of the most widely used techniques in biological and health sciences research, with the most common culture supports being either tissue culture grade polystyrene (TCPS) or polydimethylsiloxane (PDMS). It has previously been shown that monocyte-derived macrophages (MDMs) respond to material surface chemistry, synthesizing and releasing degradative activities that could produce products, which alter the cell's response. In this study, functional parameters of differentiated U937 macrophage-like cells were compared when cultured on nondegradable standard control surfaces versus models of biomaterials (polycarbonate-based polyurethanes) used in the manufacture of medical devices previously shown to degrade and/or elicit pathways of inflammation. Although the influence of PDMS and TCPS on cell function is often underappreciated by investigators, both surfaces elicited enzyme markers of inflammation. Cells on TCPS had the highest intracellular and released esterase activities and protein levels. Cells on PDMS had the most released acid phosphatase activity and protein (
<0.001), as well as de novo 57− and 59− kDa released proteins. The criteria for defining an activated cell phenotype become critically important when materials such as PDMS and TCPS are used as standard control surfaces whether in experiments for research in elucidating metabolic pathways or in screening drugs and materials for therapeutic uses. In vitro cell culture has become one of the most widely used techniques in biological and health sciences research, with the most common culture supports being either tissue culture grade polystyrene (TCPS) or polydimethylsiloxane (PDMS). It has previously been shown that monocyte-derived macrophages (MDMs) respond to material surface chemistry, synthesizing and releasing degradative activities that could produce products, which alter the cell's response. In this study, functional parameters of differentiated U937 macrophage-like cells were compared when cultured on nondegradable standard control surfaces versus models of biomaterials (polycarbonate-based polyurethanes) used in the manufacture of medical devices previously shown to degrade and/or elicit pathways of inflammation. Although the influence of PDMS and TCPS on cell function is often underappreciated by investigators, both surfaces elicited enzyme markers of inflammation. Cells on TCPS had the highest intracellular and released esterase activities and protein levels. Cells on PDMS had the most released acid phosphatase activity and protein (P<0.001), as well as de novo 57− and 59− kDa released proteins. The criteria for defining an activated cell phenotype become critically important when materials such as PDMS and TCPS are used as standard control surfaces whether in experiments for research in elucidating metabolic pathways or in screening drugs and materials for therapeutic uses. In vitro cell culture has become one of the most widely used techniques in biological and health sciences research, with the most common culture supports being either tissue culture grade polystyrene (TCPS) or polydimethylsiloxane (PDMS). It has previously been shown that monocyte-derived macrophages (MDMs) respond to material surface chemistry, synthesizing and releasing degradative activities that could produce products, which alter the cell's response. In this study, functional parameters of differentiated U937 macrophage-like cells were compared when cultured on nondegradable standard control surfaces versus models of biomaterials (polycarbonate-based polyurethanes) used in the manufacture of medical devices previously shown to degrade and/or elicit pathways of inflammation. Although the influence of PDMS and TCPS on cell function is often underappreciated by investigators, both surfaces elicited enzyme markers of inflammation. Cells on TCPS had the highest intracellular and released esterase activities and protein levels. Cells on PDMS had the most released acid phosphatase activity and protein (P < 0.001), as well as de novo 57- and 59-kDa released proteins. The criteria for defining an activated cell phenotype become critically important when materials such as PDMS and TCPS are used as standard control surfaces whether in experiments for research in elucidating metabolic pathways or in screening drugs and materials for therapeutic uses. |
Author | McBane, Joanne E Malowany, Janet I Matheson, Loren A Labow, Rosalind S Santerre, J. Paul |
AuthorAffiliation | 2University of Toronto, Toronto, ON, Canada 1University of Ottawa, Ottawa, ON |
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SubjectTerms | Acid Phosphatase - metabolism Biocompatible Materials - chemistry Biocompatible Materials - metabolism Biodegradation, Environmental Biological and medical sciences Carbonates - chemistry Carbonates - metabolism Cell Culture Techniques - methods Cell Physiological Phenomena Dimethylpolysiloxanes - chemistry Diverse techniques Esterases - metabolism Fundamental and applied biological sciences. Psychology Humans Molecular and cellular biology Polymers - chemistry Polymers - metabolism Polystyrenes - chemistry Proteins - analysis Proteins - metabolism Silicones - chemistry Surface Properties U937 Cells |
Title | Is cell culture stressful? Effects of degradable and nondegradable culture surfaces on U937 cell function |
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