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A preliminary study on the interaction of cell-polymer extract towards biodegradation
M Jayabalan1, M Raveendranath, J Shanmugam
1Division of Technical Evaluation of Biomaterials, Sree Chitra Tirunal Institute of Medical Sciences and Technology, Trivandrum, Kerala, India.
Indian Journal of Pathology & Microbiology
|January 1, 1992
Summary
This study explored polyurethane biodegradation using VERO cells. Cell exposure to polymer extracts caused adverse effects, suggesting a method for evaluating long-term implant material performance.
Area of Science:
- Biomaterials Science
- Cell Biology
- Polymer Chemistry
Background:
- Polyurethanes are widely used in medical implants.
- Understanding their biodegradation is crucial for long-term material performance.
- In-vitro models are needed to predict in-vivo behavior.
Purpose of the Study:
- To investigate the in-vitro interaction of newly synthesized polyurethanes with VERO cells.
- To assess the potential of VERO cells as a model for predicting polyurethane biodegradation.
- To evaluate the cytopathic effects of polymer extracts on VERO cells.
Main Methods:
- Synthesis of two novel polyurethane materials.
- Preparation of saline extracts from the synthesized polyurethanes.
- In-vitro exposure of VERO cells to the polymer extracts.
- Microscopic analysis of VERO cells for cytopathic effects and granulations.
Main Results:
- VERO cells exposed to polyurethane extracts exhibited a cytopathic effect.
- Granulations were observed within the digestive vacuoles of the exposed VERO cells.
- These findings indicate a cellular response to the polymer extracts.
Conclusions:
- VERO cells can serve as a preliminary in-vitro model to study polyurethane-cell interactions.
- The observed cytopathic effects suggest potential biodegradation pathways.
- Further analysis using VERO cells and macrophages, including metabolic product assessment, could evaluate long-term implant material performance.