Cell specific photoswitchable agonist for reversible control of endogenous dopamine receptors.

Cell specific photoswitchable agonist for reversible control of endogenous dopamine receptors.
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DOI:
10.1038/s41467-021-25003-w
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发表时间:
2021-08-06
影响因子:
16.6
通讯作者:
Isacoff E
Isacoff E
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Donthamsetti P;Winter N;Hoagland A;Stanley C;Visel M;Lammel S;Trauner D;Isacoff E

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多巴胺控制着多种行为,这些行为的失调导致了许多疾病。我们理解和控制多巴胺功能的能力受到多巴胺能投射的异质性、受多巴胺调节的神经元的多样性、五种多巴胺受体(dar)的不同分布以及多巴胺释放的复杂动力学的限制。为了提高我们特异性调节不同dar的能力,在这里,我们开发了一种光药理学策略,使用膜锚定的光开关正交远系激动剂用于多巴胺受体(MP-D)。我们的设计选择性地靶向D1R/D5R受体亚型,最有效的是D1R (MP-D1ago),如HEK293T细胞所示。在体内,我们针对背纹状体中棘神经元,MP-D1ago的光激活增加了运动启动,尽管需要进一步的工作来评估MP-D1ago对神经元功能的影响。我们的方法结合了配体和细胞类型特异性以及D1R的时间精确和可逆激活来控制运动的特定方面。我们的结果为分析多巴胺受体提供了一个模板。在这项研究中,作者开发了一种光药理学策略,使用膜锚定的多巴胺受体(MP-D)的光开关正交遥控激动剂来选择性和可逆地调节D1R受体亚型。
Dopamine controls diverse behaviors and their dysregulation contributes to many disorders. Our ability to understand and manipulate the function of dopamine is limited by the heterogenous nature of dopaminergic projections, the diversity of neurons that are regulated by dopamine, the varying distribution of the five dopamine receptors (DARs), and the complex dynamics of dopamine release. In order to improve our ability to specifically modulate distinct DARs, here we develop a photo-pharmacological strategy using a Membrane anchored Photoswitchable orthogonal remotely tethered agonist for the Dopamine receptor (MP-D). Our design selectively targets D1R/D5R receptor subtypes, most potently D1R (MP-D1ago), as shown in HEK293T cells. In vivo, we targeted dorsal striatal medium spiny neurons where the photo-activation of MP-D1ago increased movement initiation, although further work is required to assess the effects of MP-D1ago on neuronal function. Our method combines ligand and cell type-specificity with temporally precise and reversible activation of D1R to control specific aspects of movement. Our results provide a template for analyzing dopamine receptors. In this study, the authors develop a photo-pharmacological strategy using a Membrane anchored Photoswitchable orthogonal remotely tethered agonist for the Dopamine receptor (MP-D) to selectively and reversibly modulate the D1R receptor subtype.
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发表时间: 2005-09-01
影响因子: 25
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