Unlabeled lysophosphatidic acid receptor binding in free solution as determined by a compensated interferometric reader.
G protein-coupled receptor
free-solution assay-compensated interferometric reader
interferometry
lipid signaling
lysophospholipids
molecular interaction
receptor binding assay
Journal
Journal of lipid research
ISSN: 1539-7262
Titre abrégé: J Lipid Res
Pays: United States
ID NLM: 0376606
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
received:
03
05
2020
revised:
01
06
2020
pubmed:
10
6
2020
medline:
14
8
2021
entrez:
10
6
2020
Statut:
ppublish
Résumé
Native interactions between lysophospholipids (LPs) and their cognate LP receptors are difficult to measure because of lipophilicity and/or the adhesive properties of lipids, which contribute to high levels of nonspecific binding in cell membrane preparations. Here, we report development of a free-solution assay (FSA) where label-free LPs bind to their cognate G protein-coupled receptors (GPCRs), combined with a recently reported compensated interferometric reader (CIR) to quantify native binding interactions between receptors and ligands. As a test case, the binding parameters between lysophosphatidic acid (LPA) receptor 1 (LPA
Identifiants
pubmed: 32513900
pii: S0022-2275(20)43492-3
doi: 10.1194/jlr.D120000880
pmc: PMC7397748
doi:
Substances chimiques
Ligands
0
Receptors, Lysophosphatidic Acid
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
1244-1251Subventions
Organisme : NINDS NIH HHS
ID : R01 NS084398
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS103940
Pays : United States
Informations de copyright
Copyright © 2020 Ray et al. Published by The American Society for Biochemistry and Molecular Biology, Inc.
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