[1]毕永华,伊梦飞,陈红梅,等.国产弹性蛋白酶浸泡法构建兔腹主动脉瘤及其随访[J].介入放射学杂志,2020,29(04):376-379.
 BI Yonghua,YI Mengfei,CHEN Hongmei,et al.Establishment of abdominal aortic aneurysm induced by domestic elastase in experimental rabbit and follow-up observation[J].journal interventional radiology,2020,29(04):376-379.
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国产弹性蛋白酶浸泡法构建兔腹主动脉瘤及其随访()

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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
29
期数:
2020年04
页码:
376-379
栏目:
实验研究
出版日期:
2020-05-08

文章信息/Info

Title:
Establishment of abdominal aortic aneurysm induced by domestic elastase in experimental rabbit and follow-up observation
作者:
毕永华伊梦飞陈红梅韩新巍任建庄尉泽鹏
Author(s):
BI Yonghua YI Mengfei CHEN Hongmei HAN Xinwei REN Jianzhuang WEI Zepeng.
Department of Interventional Radiology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province 450052, China
关键词:
【关键词】 国产猪胰弹性蛋白酶腹主动脉瘤实验模型基质金属蛋白酶
文献标志码:
A
摘要:
【摘要】 目的?采用国产猪胰弹性蛋白酶溶液主动脉周浸泡法构建兔腹主动脉瘤(AAA)模型,并随访其长期稳定性。方法?24只新西兰兔随机分成两组,实验组(n=12)用10 μL浓度为10 U/μL国产猪胰弹性蛋白酶溶液浸润主动脉近分叉处血管段30 min,对照组用10 μL 0.9%氯化钠溶液浸润30 min。术前和术后5、15、40、100、150 d分别经耳缘静脉造影测量主动脉内径。术后5、15、150 d造影后每组分别处死4只兔作苏木精-伊红(HE)、弹力纤维EVG染色和免疫组化染色。结果?实验组术后5 d均形成AAA,主动脉直径100 d内基本稳定,150 d时明显缩小;组织学上术后5 d血管壁严重破坏、结构紊乱,可见红细胞渗出和炎性细胞浸润,弹力纤维和平滑肌细胞明显减少甚至消失,15 d时血管结构规整,可见部分残留弹力纤维,未见炎性细胞,150 d时管腔变窄,内膜过度增生,可见大量平滑肌细胞增生和紊乱的新生弹力纤维。对照组均未见AAA形成,病理学无明显变化。结论?国产猪胰弹性蛋白酶溶液浸泡法可诱导兔AAA形成,操作简单、安全、有效。该模型有自愈倾向,但100 d内基本稳定,有助于AAA机制研究。

参考文献/References:

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备注/Memo

备注/Memo:
(收稿日期:2019-06-28)
(本文编辑:边?佶)
更新日期/Last Update: 2020-05-06