相关实验视频

Updated: Jan 10, 2026

High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity

High-throughput Analysis of Mammalian Olfactory Receptors: Measurement of Receptor Activation via Luciferase Activity

Published on: June 2, 2014

评估μ-阿片类受体对 fentanyl 类型的信号响应,使用 luciferase 补充试验

Yasushi Ono¹, Kuniaki Tayama¹, Kosho Makino²

¹Department of Pharmaceutical and Environmental Sciences, Tokyo Metropolitan Institute of Public Health, 3-24-1 Hyakunin-cho, Shinjuku-ku, Tokyo 169-0073, Japan.

Biological & pharmaceutical bulletin

|November 19, 2025

概括

芬太尼尔类似物被测试出肝脏和脏的毒性. 研究人员发现,虽然一些类似物激活了μ-阿片类受体 (MOR) 信号,但它们的脱乙酸代谢物没有,这表明了更安全的药物开发的潜在途径.

科学领域:

药理学药理学是指药理学的学科.
毒理学毒理学毒理学
神经科学是一个神经科学.

背景情况:

芬太尼的类似物是强大的合成阿片类药物,具有显著的滥用潜力.
肝毒性和毒性是与阿片类药物使用相关的严重问题.
了解μ-阿片类受体 (MOR) 信号传递对于开发更安全的止痛药至关重要.

研究的目的:

为了调查芬太尼类同类药物对肝脏和脏的潜在毒性.
评估芬太尼类似物及其代谢物的μ-阿片类受体 (MOR) 信号配置文件.

主要方法:

使用HEK293细胞检查了两种类型的MOR信号响应:Gi和β-arrestin 2招募.
对于每个模拟物,确定了50%有效度 (EC50) 和最大响应 (Emax).
还评估了MOR信号活动的desphenethylated代谢物.

主要成果:

在MOR-mini-Gi测定中,iBF显示了最低的EC50和最高的Emax,表明强大的Gi信号.
在MOR-β-arrestin 2试验中,DAMGO表现出最高的Emax,这表明强大的β-arrestin 2招募.
脱乙酸代谢物显示没有MOR信号活动.

结论:

芬太尼尔类型呈现不同程度的MOR信号偏向向Gi或β-arrestin 2通路.
缺乏MOR信号的desphenethylated代谢物表明,它们可能不会导致阿片类药物相关的毒性.
对这些类似物及其代谢物的进一步研究可以为开发更安全的疼痛治疗药物提供信息.

关键词:

在 HEK293 细胞中,HEK293 细胞脱甲基化代谢物脱甲基化代谢物芬太尼的类似物是芬太尼.μ-阿片类受体的受体

更多相关视频

Author Spotlight: An Efficient Methodology to Confidently Differentiate and Characterize Fentanyl Analogs

Author Spotlight: An Efficient Methodology to Confidently Differentiate and Characterize Fentanyl Analogs

Published on: November 8, 2024

Drug-induced Sensitization of Adenylyl Cyclase: Assay Streamlining and Miniaturization for Small Molecule and siRNA Screening Applications

Drug-induced Sensitization of Adenylyl Cyclase: Assay Streamlining and Miniaturization for Small Molecule and siRNA Screening Applications

Published on: January 27, 2014

相关概念视频

Opioid Receptors: Overview

Opioid Receptors: Overview

Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2,...