関連する実験動画
Updated: Jul 20, 2026

09:36
Characterization of Anisotropic Leaky Mode Modulators for Holovideo
Published on: March 19, 2016
IRAK-Mは,トール型受容体シグナル伝達の負の調節剤である
Koichi Kobayashi1, Lorraine D Hernandez, Jorge E Galán
1Section of Immunobiology, Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06510, USA.
Cell
|August 2, 2002
まとめ
インターレウキン-1受容体関連キナーゼ-M (IRAK-M) は,トール型受容体 (TLR) 信号伝達を否定的に調節する. IRAK-M欠乏症は,細菌感染症に対する免疫反応を高め,エンドトキシン耐性を低下させます.
科学分野:
- 免疫学 免疫学とは
- 分子生物学は分子生物学である.
背景:
- トール型受容体 (TLR) は,微生物の病原菌を検出し,先天的な免疫反応を開始するために不可欠です.
- TLRシグナル伝達経路は,MyD88やインタールイキン-1受容体関連キナーゼ (IRAK) 家族のようなアダプタータンパク質を含む.
研究 の 目的:
- TLRシグナル伝達と先天的な免疫の調節における,表現が制限されたIRAKファミリーのメンバーであるIRAK-Mの役割を調査する.
主な方法:
- TLR刺激によるIRAK-M誘導を研究した.
- 使用されたIRAK-Mノックアウト (IRAK-M(-/-)) 細胞とマウス.
- 評価されたサイトカインの産生,細菌の挑戦に対する炎症反応,およびエンドトキシン耐性.
主要な成果:
- IRAK-Mの発現はTLR刺激によって誘発され,TLR信号伝達の負の調節剤として作用する.
- IRAK-Mは,IRAKとIRAK-4がMyD88から分離し,IRAK-TRAF6複合体の形成を防止する.
- IRAK-M ((-/-) 細胞とマウスは,増強されたサイトカイン生成,細菌感染に対する炎症反応の増加,およびエンドトキシン耐性の低下を示しています.
結論:
- IRAK-Mは,TLR信号伝達経路を調節する上で重要な役割を果たしています.
- IRAK-Mは,先天的な免疫ホメオスタシスを維持し,細菌の病原体に反応を調節するために不可欠です.
関連する概念動画
Instrumentation Amplifier
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
PD Controller: Design
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
PI Controller: Design
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
Time and frequency -Domain Interpretation of PI Control
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires careful...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires careful...
PID Controller
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
Load-frequency control
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...

