Article Detail
TechniquesDNFB诱导特异性皮炎及湿疹模型的建立
📂 建模实验 Type ID 5006
特应性皮炎(atopic dermatitis,AD)是一个与遗传相关的慢性复发性皮肤病,表现为过敏性湿疹,所以又叫异位性皮炎、遗传变应性皮炎、遗传过敏性皮炎。
Source: Yeasen Biotech | Original: https://www.yeasen.com/solutiondetail/1014 ↗
特应性皮炎(atopic dermatitis,AD)是一个与遗传相关的慢性复发性皮肤病,表现为过敏性湿疹,所以又叫异位性皮炎、遗传变应性皮炎、遗传过敏性皮炎。
DNFB常被用来建立小鼠特异性皮炎模型,早期主要表现为红斑、糜烂等急性炎症反应,病情随着造模过程呈现出皮肤干燥脱屑、红斑等慢性改变,相对符合自身诱发的AD皮损变化。

图1.DNFB结构式(CAS:70-34-8)
造模方法:
1. 实验前1日在小鼠背部去毛,大小约25cmx15cm。
2. 实验当日(第0日)背部外涂0.5%DNFB溶液25 μL致敏,第5天、第8天、第14天
在小鼠右耳背面、背部外涂0.2%的DNFB溶液20 uL诱发皮炎,左耳外涂基质溶液20 uL作对照组。
3. 备皮时动作轻柔,防止刮破皮肤,涂抹DNFB溶液时尽量使药物均匀分布体表。
4. 实验结束48小时内以眼球摘除法处死,取背部皮损处全层皮肤。
造模成功的指标:
1. 行为观察评价
2. 小鼠搔抓行为评价
3. 背部皮损评价
4. 耳朵肿胀评价
5. 病理组织学检查
分类 | 产品名称 | 货号 | 规格 |
特异性皮炎及湿疹动物建模试剂 | 61404ES25 | 25 g |
Source
Source:
Yeasen Biotech
Original URL:
https://www.yeasen.com/solutiondetail/1014
Source ID: 1014
Content is compiled from Yeasen Biotech public materials; all rights belong to the original author.
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