Novel designer receptors to probe GPCR signaling and physiology.

Novel designer receptors to probe GPCR signaling and physiology.
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DOI:
10.1016/j.tips.2013.04.006
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发表时间:
2013-07
影响因子:
13.8
通讯作者:
Jain S
Jain S
中科院分区:
医学1区
文献类型:
--
作者:
Wess J;Nakajima K;Jain S

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基于毒蕈碱受体的设计受体是研究G蛋白偶联受体(GPCR)信号转导和生理学的有力工具。这些新的设计者GPCR,其最常被称为DREADD(设计者受体仅由设计者药物激活),不能结合乙酰胆碱(内源性毒蕈碱受体激动剂),但可以被氯氮平-N-氧化物(CNO)激活,否则是一种具有高效力和功效的惰性化合物。不同的DREADD主要在它们的G蛋白偶联偏好上不同。最近,还开发了一种抑制蛋白偏向的DREADD。DREADD在不同组织或细胞类型中的表达使研究人员能够在体内以时间和空间控制的方式研究不同GPCR(或抑制蛋白)信号传导途径的选择性刺激的结果。在这篇综述中,我们提供了一个最新的快照,该领域目前的地位,以及使用这种新技术获得了哪些重要的新见解。
Muscarinic receptor-based designer receptors have as powerful novel tools to study G-proteincoupled receptor (GPCR) signaling and physiology. These new designer GPCRs, which are most frequently referred to as DREADDs (designer receptors exclusively activated by designer drug), are unable to bind acetylcholine, the endogenous muscarinic receptor agonist, but can be activated by clozapine-N-oxide (CNO), an otherwise pharmacologically inert compound, with high potency and efficacy. The various DREADDs differ primarily in their G protein coupling preference. More recently, an arrestin-biased DREADD has also been developed. The expression of DREADDs in distinct tissues or cell types has enabled researchers to study the outcome of selective stimulation of distinct GPCR (or arrestin) signaling pathways in a temporally and spatially controlled fashion in vivo. In this review, we provide an up-to-date snapshot of where this field currently stands and which important novel insights have been gained using this new technology.
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