相关实验视频
Updated: Jun 4, 2025

10:22
Humanized Mediator Release Assay as a Read-Out for Allergen Potency
Published on: June 29, 2021
3.5K
慢性疹中显著的IgE敏感性配置:与经典过敏疾病进行比较研究
Xianjie Yang1, Shifei Li1, Anqi Chen1
1Department of Dermatology, Southwest Hospital, Army Medical University, Chongqing, China.
Frontiers in immunology
|December 20, 2024
概括
慢性疹 (CU) 患者表现出显著的IgE敏感性,表明了亚托邦背景. 然而,它们的IgE敏感性特征与经典的过敏性疾病有所不同,这表明它们具有独特的潜在机制.
科学领域:
- 免疫学 免疫学 免疫学
- 皮肤病学 皮肤病学
- 过敏学 过敏学
背景情况:
- 慢性疹 (CU) 越来越多地与阿托皮有关,尽管传统上不被归类为过敏性.
- IgE敏感性是关键的形标志物,但其在CU中的特征尚不清楚.
研究的目的:
- 为了研究CU患者的IgE敏感性.
- 为了比较CU中的IgE敏感化模式与阿托皮性皮肤炎 (AD),过敏性鼻炎 (AR),喘 (AS) 和健康对照 (HC).
主要方法:
- 在1149名患者 (396CU) 中,对特定IgE (sIgE) 和总IgE (tIgE) 的回顾性分析.
- 在CU和经典过敏性疾病 (AD,AR,AS) 和HC之间比较阿托皮标志物分布和水平.
主要成果:
- 33.1%的CU患者呈阳性sIgE,49.0%的TIgE升高,明显高于HC.
- 与经典过敏疾病相比,CU患者表现出较低的sIgE阳性,但与tIgE水平相似.
- 敏感性概况因性别和年龄而异;男性CU患者的sIgE阳性较高.
结论:
- 相当一部分CU患者表现出IgE敏感性,支持亚托皮性链接.
- CU的IgE敏感性概况与AD,AR和AS不同,强度较低.
- 需要进一步的研究来了解这些发现的原因和临床影响.
相关概念视频
Allergic Reactions
27.2K
Overview
27.2K
Hypersensitivities
504
Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...
504
Allergic Drug Reactions
810
Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
810
Cross-reactivity
31.0K
Overview
31.0K
Asthma-II: Pathophysiology and Classification
2.6K
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
2.6K
Chronic Bowel Disorders: Introduction
386
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
386

