A fluorescent photoaffinity probe for formyl peptide receptor 1 labelling in living cells.

A fluorescent photoaffinity probe for formyl peptide receptor 1 labelling in living cells.
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DOI:
10.1039/d2cb00199c
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发表时间:
2023-03-08
影响因子:
4.1
通讯作者:
Wright, Megan H. H.
Wright, Megan H. H.
中科院分区:
其他
文献类型:
--
作者:
Field, Devon H. H.;White, Jack S. S.;Warriner, Stuart L. L.;Wright, Megan H. H.

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Fluorescent ligands for G-protein coupled receptors (GPCRs) are valuable tools for studying the expression, pharmacology and modulation of these therapeutically important proteins in living cells. Here we report a fluorescent photoaffinity probe for Formyl peptide receptor 1 (FPR1), a critical component of the innate immune response to bacterial infection and a promising target in inflammatory diseases. We demonstrate that the probe binds and covalently crosslinks to FPR1 with good specificity at nanomolar concentrations in living cells and is a useful tool for visualisation and characterisation of this receptor. Through the incorporation of a diazirine photocrosslinking group and a fluorophore, we developed and validated a photoaffinity probe with good selectivity and potent binding to formyl peptide receptor 1 in living cells.
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