Results 191 to 200 of about 930 (239)
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BioEssays, 1994
AbstractCurrently, a central question in biology is how signals from the cell surface modulate intracellular processes. In recent years phosphoinositides have been shown to play a key role in signal transduction. Two phosphoinositide pathways have been characterized, to date.
R, Kapeller, L C, Cantley
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AbstractCurrently, a central question in biology is how signals from the cell surface modulate intracellular processes. In recent years phosphoinositides have been shown to play a key role in signal transduction. Two phosphoinositide pathways have been characterized, to date.
R, Kapeller, L C, Cantley
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Oncogenes and Phosphatidylinositol Turnover
Annals of the New York Academy of Sciences, 1986Products of phosphatidylinositol turnover have recently been implicated as regulators of cell growth and differentiation. Transformation of cells in culture by infection with certain viruses (Rous sarcoma virus, Kirsten sarcoma virus, and polyoma virus) or by transfection with the oncogenes carried by these viruses affect the steady-state level of ...
L C, Cantley +6 more
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Phosphatidylinositol signalling reactions
Seminars in Cell & Developmental Biology, 1998Phosphatidylinositols are important in intracellular signaling. In response to extracellular signals, these molecules undergo rapid turnover and generate second messengers including diacylglycerol, inositol 1,4,5-trisphosphate, phosphatidylinositol 3,4-bisphosphate (PtdIns 3,4P2) and phosphatidylinositol 3,4,5-trisphosphate (PtdIns 3,4,5-P3).
X, Zhang, P W, Majerus
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Phosphorylation of Unnatural Phosphatidylinositols with Phosphatidylinositol 3-Kinase
Tetrahedron, 2000Phosphatidylinositol analogs (PIC2–PIC18) having a series of saturated fatty acid (C2–C18) at sn-2 position were synthesized and subjected to the phosphorylation reaction with phosphatidylinositol 3-kinase (PI 3-kinase). The reactivity of PIC8 with PI 3-kinase turned out to be comparable to that of natural PI, although PIC18 was not phosphorylated ...
Naoko Morisaki +6 more
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Phosphatidylinositol synthesis in mycobacteria
Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 1999The metabolism and synthesis of an important mycobacterial lipid component, phosphatidylinositol (PI), and its metabolites, was studied in Mycobacterium smegmatis and M. smegmatis subcellular fractions. Little is known about the synthesis of PI in prokaryotic cells. Only a cell wall fraction (P60) in M.
Salman M +3 more
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Bioorganic & Medicinal Chemistry, 2006
Phosphatidylinositol mannosides (PIMs) isolated from mycobacteria have been identified as an important class of glycolipids with significant immune modulating properties. We present here the syntheses of phosphatidylinositol dimannoside (PIM2, 1) and phosphatidylinositol tetramannoside (PIM4, 2) and evaluate their adjuvant properties in a transgenic ...
Gary D, Ainge +5 more
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Phosphatidylinositol mannosides (PIMs) isolated from mycobacteria have been identified as an important class of glycolipids with significant immune modulating properties. We present here the syntheses of phosphatidylinositol dimannoside (PIM2, 1) and phosphatidylinositol tetramannoside (PIM4, 2) and evaluate their adjuvant properties in a transgenic ...
Gary D, Ainge +5 more
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Phosphatidylinositol 4-kinases, phosphatidylinositol 4-phosphate and cancer
Cancer Letters, 2012This article focuses on the emerging roles for phosphatidylinositol 4-phosphate and the phosphatidylinositol 4-kinases in cancer. Phosphatidylinositol 4-phosphate is a common substrate for both the phosphatidylinositol 3-kinase and phospholipase C pathways, and has been implicated in the membrane targeting of proteins such as Girdin/GIV and OSBP ...
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Biochemical and Biophysical Research Communications, 1986
We have previously found that concanavalin A binds specifically to inositol and phosphatidylinositol. In the present study we demonstrate that binding of concanavalin A to liposomes containing phosphatidylinositol influences the uptake of such liposomes by macrophages.
N M, Wassef, C R, Alving
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We have previously found that concanavalin A binds specifically to inositol and phosphatidylinositol. In the present study we demonstrate that binding of concanavalin A to liposomes containing phosphatidylinositol influences the uptake of such liposomes by macrophages.
N M, Wassef, C R, Alving
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Anti‐inflammatory actions of phosphatidylinositol
European Journal of Immunology, 2011AbstractChronic inflammatory T‐cell‐mediated diseases such as inflammatory bowel disease (IBD) are often treated with immunosuppressants including corticosteroids. In addition to the intended T‐cell suppression, these farmacons give rise to many side effects. Recently, immunosuppressive phospholipids have been proposed as less‐toxic alternatives.
Dieren, Jolanda +12 more
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, 2013