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JoVE Encyclopedia of Experiments
Immunology
小鼠模型中的人体皮肤移植技术
小鼠模型中的人体皮肤移植技术
Encyclopedia of Experiments
Immunology
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Encyclopedia of Experiments Immunology
A Technique for Human Skin Grafting in a Mouse Model

小鼠模型中的人体皮肤移植技术

Protocol
785 Views
03:35 min
July 8, 2025
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Transcript

从缺乏各种免疫细胞的麻醉、非肥胖糖尿病和免疫缺陷小鼠开始。

用

抗体预处理小鼠以阻断中性粒细胞表面受体并抑制免疫反应。

在不

损坏结缔组织的情况下从小鼠背部切除皮肤并形成移植床。

将

包括表皮和部分真皮在内的人体分层皮肤放在移植物床上,表皮朝上。

用胶水固定并包扎,以尽量减少感染并限制移植物组织。

在

恢复过程中,移植组织从小鼠皮肤接收氧气和营养物质,促进其附着。

随着时间的推移,血管在人体皮肤和小鼠皮肤之间发育。

这有助于建立人体免疫细胞的循环和浸润,在小鼠模型中实现成功的人体皮肤移植。

将

鼠标转移到手术台后,对手术区域进行消毒,并在鼠标上盖上无菌保鲜膜。在塑料上切出一个略大于要嫁接区域大小的窗口。

用

镊子的背面将供体皮肤牢牢固定到位,并用手术刀切下要与镊子一起移植的矩形 10 x 10 毫米供体皮肤部分。将皮肤从身体上拉开,以免深入筋膜。要创建移植物床,请剪下与供体皮肤块大小相匹配的小鼠皮肤的矩形区域。

然后,将表皮面朝上的供体皮肤片放在准备好的移植物床上。使用镊子的背面纵皮肤,来回滑动,直到供体皮肤完全平放在移植物床上。

在

供体皮肤与小鼠皮肤相交处添加手术胶组织粘合剂滴,并用镊子将小鼠和供体皮肤固定在一起一到两秒钟,使胶水粘附在组织上。完全密封移植物的边缘,让胶水彻底干燥。

接下来,将凡士林纱布剪得足够大,以完全覆盖移植区域。用凡士林纱布盖住移植物,然后用镊子将纱布轻轻压在皮肤上。纵向剪下一条透明薄膜敷料,使宽度足够大以覆盖小鼠的伤口。

将

透明薄膜敷料用力按压,粘合面朝下,盖在纱布上。快速滚动鼠标,将敷料完全包裹在躯干上,确保其紧密贴合而不妨碍呼吸,并且所有四肢都可以自由活动。

将

鼠标放入恢复笼中后,对其进行监控,直到它保持警觉并四处移动。恢复后,在笼子部分提供热源至少 15 分钟。

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