Ligand-directed labeling of opioid receptors for covalent attachment of fluorophores or small-molecule probes.

Ligand-directed labeling of opioid receptors for covalent attachment of fluorophores or small-molecule probes.
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DOI:
10.1016/j.xpro.2023.102231
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发表时间:
2023-04-26
期刊:
影响因子:
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通讯作者:
Arttamangkul, Seksiri
Arttamangkul, Seksiri
中科院分区:
其他
文献类型:
--
作者:
Adoff, Hayden;Halls, Victoria S.;Holland, Emily;Lobingier, Braden;Arttamangkul, Seksiri

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This protocol describes endogenous labeling of opioid receptors (ORs) using a ligand-directed reagent, naltrexamine-acylimidazole compounds (NAI-X). NAI acts by guiding and permanently tagging a small-molecule reporter (X)—such as fluorophores or biotin—to ORs. Here we detail syntheses and uses of NAI-X for OR visualization and functional studies. The NAI-X compounds overcome long-standing challenges in mapping and tracking endogenous ORs as the labeling can be done in situ with live tissues or cultured cells. For complete details on the use and execution of this protocol, please refer to Arttamangkul et al. Fluorescently labeling of opioid receptors using a chemical approach Chemical synthesis of the labeling reagent Labeling of opioid receptors in heterologous cell lines Visualization of endogenous opioid receptors in rodent brain slices Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics. This protocol describes endogenous labeling of opioid receptors (ORs) using a ligand-directed reagent, naltrexamine-acylimidazole compounds (NAI-X). NAI acts by guiding and permanently tagging a small-molecule reporter (X)—such as fluorophores or biotin—to ORs. Here we detail syntheses and uses of NAI-X for OR visualization and functional studies. The NAI-X compounds overcome long-standing challenges in mapping and tracking endogenous ORs as the labeling can be done in situ with live tissues or cultured cells.
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