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Research Article
Please note that some of the translations on this page are AI generated. Click here for the English version.
Erratum Notice
Important: There has been an erratum issued for this article. View Erratum Notice
Retraction Notice
The article Assisted Selection of Biomarkers by Linear Discriminant Analysis Effect Size (LEfSe) in Microbiome Data (10.3791/61715) has been retracted by the journal upon the authors' request due to a conflict regarding the data and methodology. View Retraction Notice
来源:Moss, M. I. et al., 异种移植皮肤模型在体内纵人类免疫反应。J. Vis. Exp. (2022 年)
该视频演示了一种将人体皮肤移植到中性粒细胞反应受到抑制的免疫缺陷小鼠身上的方法。该方法包括将人类分层皮肤涂在小鼠的移植床上,密封并覆盖以使其恢复。最终,人类皮肤粘附在小鼠的皮肤上,建立血管化和循环,从而成功进行皮肤异种移植。
所有涉及动物模型的程序均已由当地机构动物护理委员会和 JoVE 兽医审查委员会审查。
1. 供体皮肤样本的处理
注意:本次移植中使用的人体皮肤样本是从健康患者的腹部采集的大样本。样品必须至少为 15 cm x 7.5 cm。大小限制可能会影响可用皮肤的小鼠数量和移植物大小的选择。
2. 术前调理和准备
3. 移植手术

图 1: 异种移植研究采用的方案的时间表。

图 2: 手术后包扎小鼠的方法。在麻醉下,小鼠被紧紧包裹在凡士林纱布和透明薄膜敷料中。(A) 将凡士林纱布放置在比手术伤口略大的区域上。(B) 制备透明薄膜敷料:切出比凡士林纱布略宽的长条。覆盖透明薄膜敷料粘合面的背衬被部分去除。(C) 将薄膜的粘合面牢牢地压在鼠标的背面,在薄膜的前端留出一英寸的空间。(D) 鼠标倒着转动。将胶片的悬垂前部压在鼠标上,并去除背衬。(E) 鼠标被紧紧包裹在薄膜中,剩余的支撑在包裹鼠标时被去除。(F) 鼠标成功包裹在敷料中,其手臂和腿不受约束。