Novel Regulation of Lipid Metabolism by a Phosphatidylinositol Transfer Protein and a Phosphatidylinositol 4‐Kinase
نویسندگان
چکیده
منابع مشابه
Trafficking of phosphatidylinositol by phosphatidylinositol transfer proteins.
PtdIns is synthesized at the endoplasmic reticulum and its intracellular distribution to other organelles can be facilitated by lipid transfer proteins [PITPs (phosphatidylinositol transfer proteins)]. In this review, I summarize the current understanding of how PITPs are regulated by phosphorylation, how can they dock to membranes to exchange their lipid cargo and how cells use PITPs in signal...
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Of many lipid transfer proteins identified, all have been implicated in essential cellular processes, but the activity of none has been demonstrated in intact cells. Among these, phosphatidylinositol transfer proteins (PITP) are of particular interest as they can bind to and transfer phosphatidylinositol (PtdIns)--the precursor of important signalling molecules, phosphoinositides--and because t...
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15 صفحه اولRegulation of PI3K signalling by the phosphatidylinositol transfer protein PITPalpha during axonal extension in hippocampal neurons.
Phosphatidylinositol transfer proteins (PITPs) mediate the transfer of phosphatidylinositol (PtdIns) or phosphatidylcholine (PtdCho) between two membrane compartments, thereby regulating the interface between signalling, phosphoinositide (PI) metabolism and membrane traffic. Here, we show that PITPalpha is enriched in specific areas of the postnatal and adult brain, including the hippocampus an...
متن کاملPhosphatidylinositol and inositol phosphate metabolism.
The six carbons that comprise the inositol ring can be phosphorylated in a combinatorial manner, generating a truly astonishing range of inositol phosphates and inositol lipids. Yet, somehow, the cell can distinguish and utilize several of these metabolites to specifically regulate a variety of signal transduction processes. These important actions have infiltrated so many areas of cell biology...
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ژورنال
عنوان ژورنال: The FASEB Journal
سال: 2019
ISSN: 0892-6638,1530-6860
DOI: 10.1096/fasebj.2019.33.1_supplement.lb330