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Published on: April 11, 2017
Cholic acid functionalized star poly(DL-lactide) for promoting cell adhesion and proliferation
Hui-Li Fu1, Tao Zou, Si-Xue Cheng
1Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China.
Journal of Tissue Engineering and Regenerative Medicine
|November 27, 2007
Summary
Cholic acid functionalized star poly(DL-lactide) enhances cell adhesion and proliferation. This biomaterial modification improves wettability and surface energy for tissue engineering applications.
Area of Science:
- Biomaterials Science
- Polymer Chemistry
- Tissue Engineering
Background:
- Poly(DL-lactide)s are widely used in biomedical applications.
- Improving the biocompatibility of synthetic polymers is crucial for tissue engineering.
- Surface modification can enhance cellular interactions with biomaterials.
Purpose of the Study:
- To synthesize and characterize cholic acid functionalized star poly(DL-lactide).
- To investigate the effect of this modification on material properties and cell behavior.
- To compare its performance with linear poly(DL-lactide)s and glycerol-initiated star poly(DL-lactide).
Main Methods:
- Ring-opening polymerization of DL-lactide initiated by cholic acid.
- Synthesis of linear poly(DL-lactide)s and glycerol-initiated star poly(DL-lactide) for comparison.
- Evaluation of material properties: wettability and surface energy.
- In vitro cell culture studies using 3T3 mouse fibroblasts and ECV304 human endothelial cells to assess cell adhesion and proliferation.
Main Results:
- Cholic acid functionalized star poly(DL-lactide) exhibited improved wettability and surface energy compared to linear poly(DL-lactide)s.
- Significantly enhanced cell adhesion was observed on the cholic acid functionalized star poly(DL-lactide).
- Cell proliferation was also enhanced, though to a lesser extent than cell adhesion.
Conclusions:
- Cholic acid functionalization of star poly(DL-lactide) is an effective strategy to improve its biocompatibility.
- This modification promotes enhanced cell attachment and growth, making it promising for tissue engineering.
- The study highlights a simple and effective method for developing advanced biomaterials for regenerative medicine.
