嗅鞘细胞与神经修复支架材料的相互作用(英文)

目的:探讨一种提取高纯度和一定数量的嗅鞘细胞( OECs)的新方法,并研究其与神经支架修复材料PLGL的生物相容性。方法:从新生的Wister大鼠身上分离制备嗅鞘细胞并与PLGL共同培养。测量其接触角、吸附率、存活率等。结果:PDLLA的接触角( 84.5°±1.5°)明显大于PLGL的接触角(52.6°±0.8°)。PLGL的吸附率(80%)明显高于PDLLA(57%)。PLGL的细胞存活率( 88%)明显高于PDLLA(76%)。结论:PLGL比PDLLA具有更好的亲水性、存活率以及良好的细胞生长状况。

Synthesis, characterization r）oly [LA-co-（GIc-alt-Lys）] for and biological evaluation of nerve regeneration scaffold

A novel nerve repairing material poly [LA-co.（GIc-alt-Lys）] （PLGL） was synthesized. The viability and growth of Schwann cells （SCs） co-cultured With poly （D, L- lactic acid） （PDLLA） films （control group） and PLGL films were evaluated by MTT assay and SEM observation. Then, contact angle measurement, histological assessment and enzyme-linked immunosorbent assay （ELISA） testing on inflammatory-related cyto- kines such as IL-10 and TGF-β1 were performed. The results showed that, compared with PDLLA, PLGL films possesses better hydrophilicity, biocompatibility, degradation property and less inflammatory reaction. The present study indicated that PLGL scaffolds would meet the requirements of artificial nerve scaffold and have a potential application in the fields of nerve regeneration.