ArticleMethods in molecular biology (Clifton, N.J.)2021
Detection of Plasma Membrane Phosphoinositide Dynamics Using Genetically Encoded Fluorescent Protein Probes.
Article in Methods in molecular biology (Clifton, N.J.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- The LCLAT1/LYCAT acyltransferase is required for EGF-mediated phosphatidylinositol-3,4,5-trisphosphate generation and Akt signaling.Molecular biology of the cell · 2024Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The dynamic phosphorylation of phosphatidylinositol produces seven distinct but interconvertible phosphatidylinositol phosphates (PIPs). Each PIP exhibits specific enrichment in a subset of membrane compartments as a result of dynamic phosphorylation and dephosphorylation by lipid kinases and phosphatases, and/or by vesicle-mediated transport. Several PIPs are found within the plasma membrane, such as phosphatidylinositol-4-phosphate [PI(4)P], phosphatidylinositol-4,5-bisphosphate [PI(4,5)P2], phosphatidylinositol-3,4-bisphosphate [PI(3,4)P2], and phosphatidylinositol-3,4,5-trisphosphate (PIP3), and these control many aspects of cell physiology, including receptor signaling and membrane traffic. As a result, measurement of the cell surface abundance of these PIPs is a valuable resource to allow understanding of the regulation and function of these cell surface lipids. Here, we describe methods based on quantification of the localization of genetically encoded fluorescent PIP probes to the cell surface by either spinning disc confocal microscopy or total internal reflection fluorescence microscopy that allow detection of changes in cell surface levels of PI(4,5)P2, PI(3,4)P2, and PIP3. These methods can also be applied to the measurement of other PIPs or lipid species at the cell surface, and thus represent a useful resource for the study of the cell biology of PIPs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.