相关实验视频
Updated: Sep 10, 2025

10:22
Humanized Mediator Release Assay as a Read-Out for Allergen Potency
Published on: June 29, 2021
3.6K
最近了解过敏转血反应的进展
Fumiya Hirayama1, Ayumu Kuroishi2, Nobuki Matsuyama2
1Japanese Red Cross Osaka Blood Center, 2-4-43 Morinomiya, Joto-ku, Osaka 536-8505, Japan; Japanese Red Cross Kinki Block Blood Center, 7-5-17 Saito Asagi, Ibaraki, Osaka 567-0085, Japan.
Current opinion in immunology
|August 21, 2025
概括
过敏输血反应 (ATR) 是常见的,但人们对其了解甚少. 新的基激活测试 (BAT) 提供了这些反应的原因,改善了诊断和患者安全.
科学领域:
- 输血医学
- 过敏 免疫学
背景情况:
- 过敏输血反应 (ATR) 是常见的非血溶性输血并发症.
- 诊断仅依赖于临床症状, 导致与输血的因果关系往往是模糊的.
- 尽管存在理论,但确切的机制,包括免疫球蛋白E (IgE) 的作用仍然不清楚.
研究的目的:
- 研究过敏输血反应 (ATR) 的潜在机制.
- 探索新型诊断工具在了解ATR病因方面的实用性.
- 澄清过敏倾向在输血反应中的作用.
主要方法:
- 在输血医学中引入基激活测试 (BAT).
- 用于提高诊断能力的被动免疫BAT的应用.
- 临床观察和与实验室发现的相关性.
主要成果:
- 基激活试验 (BAT) 为ATR机制提供了新的见解.
- 在ATR病例的子集中展示IgE介导的途径.
- 过敏倾向与观察到的输血反应之间的相关性.
结论:
- 基激活测试 (BAT) 是诊断ATR的重要工具.
- ATRs的病因是多因素的,涉及各种过敏途径.
- 通过使用BAT进行进一步的研究可以提高对输血反应的理解和管理.
相关概念视频
Allergic Reactions
28.6K
Overview
28.6K
Blood Transfusion and Agglutination
11.2K
Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
11.2K
Blood Transfusion
802
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
802
Allergic Drug Reactions
978
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...
978
Hypersensitivities
1.0K
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...
1.0K
Cross-reactivity
31.5K
Overview
31.5K

