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首页> 外文期刊>Materials science & engineering >Chemical hydrogels based on a hyaluronic acid-graft-α-elastin derivative as potential scaffolds for tissue engineering
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Chemical hydrogels based on a hyaluronic acid-graft-α-elastin derivative as potential scaffolds for tissue engineering

机译:基于透明质酸接枝-α-弹性蛋白衍生物的化学水凝胶,作为组织工程的潜在支架

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摘要

In this work hyaluronic acid (HA) functionalized with ethylenediamine (EDA) has been employed to graft α-elastin. In particular a HA-EDA derivative bearing 50 mol% of pendant amino groups has been successfully employed to produce the copolymer HA-EDA-g-α-elastin containing 32% w/w of protein. After grafting with α-elastin, remaining free amino groups reacted with ethylene glycol diglycidyl ether (EGDGE) for producing chemical hydrogels, proposed as scaffolds for tissue engineering. Swelling degree, resistance to chemical and enzymatic hydrolysis, as well as pceliminary biological properties of HA-EDA-g-α-elastin/EGDGE scaffold have been evaluated and compared with a HA-EDA/EGDGE scaffold. The presence of a-elastin grafted to HA-EDA improves attachment, viability and proliferation of primary rat dermal fibroblasts and human umbilical artery smooth muscle cells. Biological performance of HA-EDA-g-α-elastin/EGDGE scaffold resulted comparable to that of a commercial collagen type Ⅰ sponge (Antema®), chosen as a positive control.
机译:在这项工作中,已采用乙二胺(EDA)官能化的透明质酸(HA)接枝α-弹性蛋白。特别地,具有50mol%侧链氨基的HA-EDA衍生物已被成功地用于制备含有32%w / w蛋白质的HA-EDA-g-α-弹性蛋白共聚物。用α-弹性蛋白接枝后,剩余的游离氨基与乙二醇二缩水甘油醚(EGDGE)反应生成化学水凝胶,被提议作为组织工程的支架。已评估了HA-EDA-g-α-弹性蛋白/ EGDGE支架的溶胀度,对化学和酶水解的抵抗力以及特定的生物学特性,并将其与HA-EDA / EGDGE支架进行了比较。移植到HA-EDA的a-弹性蛋白的存在改善了原代大鼠真皮成纤维细胞和人脐动脉平滑肌细胞的附着,活力和增殖。 HA-EDA-g-α-弹性蛋白/ EGDGE支架的生物学性能可与商业Ⅰ型胶原海绵(Antema®)(被选作阳性对照)相媲美。

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  • 来源
    《Materials science & engineering》 |2013年第5期|2541-2549|共9页
  • 作者单位

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Chimica e Tecnologie Farmaceutiche, Universita degli Studi di Palermo, Via Archirafi 32,90123, Palermo, Italy;

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Chimica e Tecnologie Farmaceutiche, Universita degli Studi di Palermo, Via Archirafi 32,90123, Palermo, Italy,Institute of Biophysics at Palermo, Italian National Research Council, Via Ugo La Malfa 153, 90146 Palermo, Italy;

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Chimica e Tecnologie Farmaceutiche, Universita degli Studi di Palermo, Via Archirafi 32,90123, Palermo, Italy;

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Biologia Cellulare, Universita degli Studi di Palermo, Viale delle Scienze ed, 16,90128, Palermo, Italy;

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Biologia Cellulare, Universita degli Studi di Palermo, Viale delle Scienze ed, 16,90128, Palermo, Italy;

    Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari, Sezione di Chimica e Tecnologie Farmaceutiche, Universita degli Studi di Palermo, Via Archirafi 32,90123, Palermo, Italy,IBIM-CNR,Via Ugo La Malfa 153, 90146 Palermo,Italy;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Hyaluronic acid; α-Elastin; Graft copolymers; Cell attachment;

    机译:透明质酸;α-弹性蛋白;接枝共聚物;细胞附着;

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