The results showed, in addition to PLA, PGA, PLGA and other synthetic polymers, some natural biomaterials are also ideal scaffolds materials for bone tissue engineering.
结果表明，除了人工合成的聚合物类材料之外，一些天然生物材料也可作为骨组织工程理想的支架材料。
Polylactic acid(PLA) and polyglycolic acid(PGA) have been commercially available for human clinical use because of their satisfactory biocompatibility and biodegradation.
有机高分子聚合物聚乳酸、聚乙醇酸具有良好的生物相容性和可降解性，已被广泛应用于临床。
Methods Coated PLA, PGA, PLGA with poly-l-lysine, free chondrocytes isolated from rabbit articular cartilage were seeded onto three kinds of scaffolds after expansion by in vitro culture.
方法多聚赖氨酸包埋PLA，PGA，PLGA三维细胞支架。 分离培养兔关节软骨细胞，体外扩增后种植到三种支架中。
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