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Cell adhesion to polymeric materials: implications with respect to biocompatibility.
Journal of Biomedical Materials Research
|September 1, 1975
Summary
This study measured chick embryo muscle cell adhesion to biomaterials. Radiation-grafted hydrogels showed very low cell adhesion, suggesting their potential for medical device applications.
Area of Science:
- Biomaterials Science
- Cell Biology
- Polymer Chemistry
Background:
- Cell adhesion is critical for biomaterial performance.
- Understanding cell-surface interactions guides biomaterial development.
Purpose of the Study:
- To evaluate the in vitro adhesion of chick embryo muscle cells to various polymeric materials.
- To assess the potential of radiation-grafted hydrogels as low-adhesion biomaterials.
- To explore a cell adhesion assay for biomaterial screening.
Main Methods:
- Radio-labeled chick embryo muscle cells were used for adhesion assays.
- Adhesion was quantified by measuring plating efficiency after 180 minutes.
- Surface preadsorption with proteins (albumin, gamma-globulin, fibrinogen) was investigated.
Main Results:
- Cell adhesion varied significantly (2-94%) based on surface type.
- Preadsorption of proteins altered subsequent cell adhesion.
- Radiation-grafted poly(2-hydroxyethyl methacrylate) and poly(N-vinyl-2-pyrrolidone) hydrogels exhibited minimal cell adhesion.
Conclusions:
- Surface properties profoundly influence cell adhesion.
- Radiation-grafted hydrogels demonstrate promising low-adhesion characteristics.
- The cell adhesion assay is a viable screening tool for biomaterials.