HSNGLPL短肽修饰的聚氨酯的体内反应性分析

doi:10.13418/j.issn.1001-165x.2017.03.008

中国临床解剖学杂志 ›› 2017, Vol. 35 ›› Issue (3): 271-275.doi: 10.13418/j.issn.1001-165x.2017.03.008

HSNGLPL短肽修饰的聚氨酯的体内反应性分析

肖将尉¹，　史丹丹¹，　术蓉¹，　谷瑞彩¹，　吴刚²，　廖华¹

1.南方医科大学解剖学教研室，广东省组织构建与检测重点实验室，广州 510515；
2.华南理工大学材料科学与工程学院，广州 510641

收稿日期:2016-11-21 出版日期:2017-05-25 发布日期:2017-06-23
通讯作者: 廖华，教授，博士生导师，E-mail：hua-liao@163.com
作者简介:肖将尉（1990-），男，福建三明人，在读硕士，主要研究方向：组织工程，Tel：15622174765，E-mail：xiaojiangwei0801@163.com
基金资助:
国家自然科学基金 (81371924, 81572102）；广东省自然科学基金（2014A030313276）

The bio-reactivity analysis of HSNGLPL peptide grafted-polyurethane

XIAO Jiang-wei¹, SHI Dan-dan¹, ZHU Rong¹, GU Rui-cai¹, WU Gang², LIAO Hua¹

1. Department of Anatomy, Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering，Southern Medical University, Guangzhou 510515 China; 2. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China

Received:2016-11-21 Online:2017-05-25 Published:2017-06-23

摘要/Abstract

摘要：

目的　研究短肽HSNGLPL修饰的聚氨酯在体内与体外的生物相容性与生物活性。方法　将单纯的HSNGLPL短肽溶液、三种不同浓度HSNGLPL短肽修饰的聚氨酯（P-PU)及聚氨酯（BDO-PU)注射或种植在小鼠体内或在体外与C2C12细胞共培养，通过H&E检测体内局部炎症渗出、免疫荧光检测体内单核/巨噬细胞渗出凋亡和肌纤维的再生以及通过细胞增殖毒性反应检测体外共培养结果。结果　在体外，BDO-PU、L-P-PU和M-P-PU是合格的生物材料，具有优良的生物相容性；在体内，BDO-PU只在材料28d诱发持久的单核/巨噬细胞的渗出和肌纤维的坏死，而P-PU在肌肉内诱发的炎症、坏死反应比BDO-PU更加复杂、持久，持续时间甚至超过56d。对于细胞凋亡而言，P-PU材料周围凋亡的巨噬细胞数却明显的低于BDO-PU组。结论　HSNGLPL修饰的聚氨酯在体内与体外具有生物活性及优良的生物相容性。

关键词: 聚氨酯, 　HSNGLPL短肽, 　炎症反应, 　免疫, 　渗出

Abstract:

Objective　To study the biocompatibility of HSNGLPL peptide grafted- polyurethane in vivo and in vitro.　Methods　HSNGLPL peptide solution, HSNGLPL peptide grafted polyurethane with different concentration, and BDO- PU are injected or implanted into tibialis anterior muscle of B6 mice, or co-cultured with C2C12 cell in vitro. CCK8, H&E, immunofleorecence was used to explore the material-induced inflammatory and immuno-reactivity in vitro and in vivo.　Results　HSNGLPL peptide grafted-polyurethane is biocompatible in vivo. BDO-PU induced a conspicuous monocytes/macrophages infiltration and myofiber degeneration, the inflammatory invasion and myofiber necrosis are mainly detected in the site around the implants. In contrast, peptide grafted-PUs induced intramuscular inflammation is more complex and sustained more than 56d. The number of apoptotic macrophages in muscle containing peptide-PU significantly lower than that containing BDO-PU.　Conclusions　HSNGLPL peptide grafted PUs triggers the more severe inflammation response than that of BDO-PU, and eventually change biocompatibility of PU material in vitro and in vivo.

Key words: Polyurethanes, 　HSNGLPL peptide;　Inflammation; , Immunity; , Infiltration

肖将尉,史丹丹,术蓉,谷瑞彩,吴刚,廖华. HSNGLPL短肽修饰的聚氨酯的体内反应性分析[J]. 中国临床解剖学杂志, 2017, 35(3): 271-275.

XIAO Jiang-wei, SHI Dan-dan, ZHU Rong, GU Rui-cai, WU Gang, LIAO Hua. The bio-reactivity analysis of HSNGLPL peptide grafted-polyurethane[J]. Chinese Journal Of Clinical Anatomy, 2017, 35(3): 271-275.

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HSNGLPL短肽修饰的聚氨酯的体内反应性分析

The bio-reactivity analysis of HSNGLPL peptide grafted-polyurethane

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