相关实验视频

Updated: Jul 15, 2025

Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention

Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention

Published on: October 16, 2013

列特-7b-TLR7信号轴有助于麻醉/手术诱导的认知障碍

Liyun Deng^1,2, Rui Gao^1,2, Hai Chen³

¹Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China.

Molecular neurobiology

|October 2, 2023

概括

增加的microRNA let-7b激活了托尔类受体7 (TLR7) 信号,导致老年患者的外科手术期神经认知障碍 (PND). 抑制TLR7和let-7b可能会改善记忆,减少炎症.

科学领域:

神经科学是一个神经科学.
免疫学免疫学免疫学
老年病的医生老年病的医生

背景情况:

外科手术期间的神经认知障碍 (PND) 是手术后老年患者常见的神经并发症.
收费类受体 (TLRs) 是先天免疫系统的一部分,与神经退行有关.
目前尚不清楚TLR7在PND中的具体作用.

研究的目的:

调查微RNAlet-7b (let-7b) 和托尔类受体7 (TLR7) 在PNDs发展中的作用.
测试增加let-7b激活TLR7信号的假设,调解PNDs.

主要方法:

在老年野生型小鼠中使用了一种涉及单边切除的PND小鼠模型.
在海马体中测量了TLR7和let-7b的表达水平.
评估了TLR7和let-7b抑制对记忆和炎症类细胞因子的影响.

主要成果:

与假装组相比,手术组表现出增加的TLR7和let-7b表达.
在PNDs模型中,TLR7和let-7b在海马CA1区域共定位.
抑制TLR7和let-7b改善了依赖海马的记忆,并减少了炎症性细胞因子的产生.

结论:

增加的let-7b可能会在压力条件下触发TLR7激活,从而启动炎症信号.
在PND的发展中,TLR7的激活和升级起着重要的作用.
准TLR7和let-7b为PND提供了一个潜在的治疗策略.

关键词:

年龄大小的小鼠.炎症反应是一种炎症反应.微型RNA let-7b 的情况.在外科手术期间出现的神经认知障碍.收费类受体 7 收费类受体 7

更多相关视频

Author Spotlight: Improving Anesthesia Protocols for Enhanced Mouse Acupuncture Research

Author Spotlight: Improving Anesthesia Protocols for Enhanced Mouse Acupuncture Research

Published on: December 8, 2023

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

Assessing Changes in Synaptic Plasticity Using an Awake Closed-Head Injury Model of Mild Traumatic Brain Injury

Published on: January 20, 2023

相关概念视频

General Anesthesia: Overview

General Anesthesia: Overview

Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
General anesthesia induces unconsciousness in the whole body, while the others target specific areas or sensations. It is administered to minimize adverse effects, maintain...

Stages of General Anesthesia

Stages of General Anesthesia

Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...