Liang, Dongjun; Wu, Kane; Tei, Reika; Bumpus, Timothy W.; Ye, Johnny; Baskin, Jeremy M. published an article in Proceedings of the National Academy of Sciences of the United States of America. The title of the article was 《A real-time, click chemistry imaging approach reveals stimulus-specific subcellular locations of phospholipase D activity》.Name: (R)-Oxiran-2-ylmethanol The author mentioned the following in the article:
The fidelity of signal transduction requires spatiotemporal control of the production of signaling agents. Phosphatidic acid (PA) is a pleiotropic lipid second messenger whose modes of action differ based on upstream stimulus, biosynthetic source, and site of production How cells regulate the local production of PA to effect diverse signaling outcomes remains elusive. Unlike other second messengers, sites of PA biosynthesis cannot be accurately visualized with subcellular precision. Here, we describe a rapid, chemoenzymic approach for imaging physiol. PA production by phospholipase D (PLD) enzymes. Our method capitalizes on the remarkable discovery that bulky, hydrophilic trans-cyclooctene-containing primary alcs. can supplant water as the nucleophile in the PLD active site in a transphosphatidylation reaction of PLD’s lipid substrate, phosphatidylcholine. The resultant trans-cyclooctene-containing lipids are tagged with a fluorogenic tetrazine reagent via a no-rinse, inverse electron-demand Diels-Alder (IEDDA) reaction, enabling their immediate visualization by confocal microscopy in real time. Strikingly, the fluorescent reporter lipids initially produced at the plasma membrane (PM) induced by phorbol ester stimulation of PLD were rapidly internalized via apparent nonvesicular pathways rather than endocytosis, suggesting applications of this activity-based imaging toolset for probing mechanisms of intracellular phospholipid transport. By instead focusing on the initial 10 s of the IEDDA reaction, we precisely pinpointed the subcellular locations of endogenous PLD activity as elicited by physiol. agonists of G protein-coupled receptor and receptor tyrosine kinase signaling. These tools hold promise to shed light on both lipid trafficking pathways and physiol. and pathol. effects of localized PLD signaling.(R)-Oxiran-2-ylmethanol(cas: 57044-25-4Name: (R)-Oxiran-2-ylmethanol) was used in this study.
(R)-Oxiran-2-ylmethanol(cas: 57044-25-4) is a chiral building block used to construct an epoxyvinyl iodide intermediate in a synthesis of a furanocembrane, a marine natural product.Name: (R)-Oxiran-2-ylmethanol
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