ArticleChannels (Austin, Tex.)
Phosphorylation of the rat Ins(1,4,5)P₃ receptor at T930 within the coupling domain decreases its affinity to Ins(1,4,5)P₃.
Article in Channels (Austin, Tex.). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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
3 citing papers in PubMed.
- Ion Channel Function During Oocyte Maturation and Fertilization.Frontiers in cell and developmental biology · 2018Review
- Calcium influx and sperm-evoked calcium responses during oocyte maturation and egg activation.Oncotarget · 2017Review
- Regulatory Mechanisms of Endoplasmic Reticulum Resident IP3 Receptors.Journal of molecular neuroscience : MN · 2015Review
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
The Ins(1,4,5)P 3 receptor acts as a central hub for Ca ( 2+) signaling by integrating multiple signaling modalities into Ca ( 2+) release from intracellular stores downstream of G-protein and tyrosine kinase-coupled receptor stimulation. As such, the Ins(1,4,5)P 3 receptor plays fundamental roles in cellular physiology. The regulation of the Ins(1,4,5)P 3 receptor is complex and involves protein-protein interactions, post-translational modifications, allosteric modulation, and regulation of its sub-cellular distribution. Phosphorylation has been implicated in the sensitization of Ins(1,4,5)P 3-dependent Ca ( 2+) release observed during oocyte maturation. Here we investigate the role of phosphorylation at T-930, a residue phosphorylated specifically during meiosis. We show that a phosphomimetic mutation at T-930 of the rat Ins(1,4,5)P 3 receptor results in decreased Ins(1,4,5)P 3-dependent Ca ( 2+) release and lowers the Ins(1,4,5)P 3 binding affinity of the receptor. These data, coupled to the sensitization of Ins(1,4,5)P 3-dependent Ca ( 2+) release during meiosis, argue that phosphorylation within the coupling domain of the Ins(1,4,5)P 3 receptor acts in a combinatorial fashion to regulate Ins(1,4,5)P 3 receptor function.
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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 Socratic graph.