使用体外组织 perfusion 系统来实时检测隔离的肠道管的功能活动
Pengmei Guo1, Wenqiao An2, Yili Wang1
1Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine.
Journal of visualized experiments : JoVE
|August 14, 2024
概括
本研究详细介绍了体外肠道管运动实验协议,以评估胃肠道动力学和运动功能. 标准化的方法确保了可靠的数据来评估调节肠道运动的药物.
科学领域:
- 药理学 药理学是指药理学的学科.
- 身体生理学 身体生理学
- 胃肠病学 胃肠病学
背景情况:
- 胃肠道疾病很普遍,并带来了重大的健康挑战.
- 小肠对于消化,吸收和治疗干预至关重要.
- 研究胃肠道动态对于理解和治疗这些疾病至关重要.
研究的目的:
- 为体外肠道管运动实验提出一个标准化的实验方案.
- 在研究胃肠道运动性方面解决关键的操作挑战.
- 为评估调节胃肠道动态的药物提供参考.
主要方法:
- 准备一个孤立的肠道管.
- 在一个与信号探测器连接的生理浴室中悬浮肠道管.
- 记录和分析诸如肠道紧张等参数,以评估运动功能.
- 在体外 (in vitro) 确保肠道组织的活力.
主要成果:
- 从采样到数据收集的标准化协议提高了实验的可重复性.
- 该方法在各种条件下 (生理,病理,药物干预) 确保记录的肠张力的真实性.
- 确定了关键的操作问题,并为肠道管运动实验提供了解决方案.
结论:
- 本方案提供了一种可靠的方法,用于研究胃肠道在体外的运动性.
- 这种方法对研究影响肠道运动的药物有价值.
- 标准化提高了胃肠道药物发现和开发的数据可靠性.
相关概念视频
Methods for Studying Drug Absorption: In vitro
In vitro experiments are crucial for understanding the transport and absorption of drugs through biological materials. These studies employ varied methods such as the diffusion cell method, the everted sac technique, and the everted ring technique.
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
The diffusion cell method uses a two-compartment cell, including a donor compartment with the drug solution, which simulates the environment where the drug is applied, and a receptor compartment with a buffer solution, which simulates the environment...
Methods for Studying Drug Absorption: In situ
In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...


