Biocompatible in situ-forming glycopolypeptide hydrogels

Biocompatible in situ-forming glycopolypeptide hydrogels
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生物相容性原位形成糖多肽水凝胶

DOI:
10.1007/s11431-019-1466-1
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发表时间:
2020-04
期刊:
Science China Technological Sciences
影响因子:
--
通讯作者:
Chen Xuesi
Chen Xuesi
中科院分区:
其他
文献类型:
--
作者:
Shi Shun;Yu Shuangjiang;Li Gao;He Chaoliang;Chen Xuesi

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缺乏生物活性阻碍了合成水凝胶在组织工程和再生医学中的应用。然而,在水凝胶合成中使用糖多肽可以提供具有所需生物活性的材料。在此,我们制备了三种原位形成的水凝胶从各种苯酚官能化的糖多肽。凝胶化时间,机械性能,降解性能和生物相容性的水凝胶进行了评估。甘氨酰化时间范围为11至380 s,取决于辣根过氧化物酶的浓度。半乳糖修饰的多肽水凝胶具有最高的储能模量和明显的应力松弛现象。所制备的水凝胶具有良好的降解性能和与细胞和组织的相容性。此外,甘露糖修饰的多肽水凝胶周围的免疫细胞聚集速率是水凝胶中最快的。
A lack of biological activity hinders the application of synthetic hydrogels in tissue engineering and regenerative medicine. However, the use of glycopolypeptides in hydrogel synthesis may provide the materials with the desired biological activities. Herein, we prepared three in situ-forming hydrogels from various phenol-functionalized glycopolypeptides. The gelation time, mechanical properties, degradation properties, and biocompatibility of the hydrogels were assessed. Gelation time ranged from 11 to 380 s, depending on the concentration of horseradish peroxidase. The galactose-modified polypeptide hydrogel showed the highest storage modulus with an obvious stress relaxation phenomenon. The prepared hydrogels exhibited good degradation properties and compatibility to cells and tissues. Furthermore, the rate of immune cell accumulation around the mannose-modified polypeptide hydrogel was the fastest among the hydrogels.
DOI: 10.1021/bm801197m
发表时间: 2009-03-09
期刊: BIOMACROMOLECULES
影响因子: 6.2
作者:
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