Nuclear inositide specific phospholipase C signalling - interactions and activity
نویسندگان
چکیده
منابع مشابه
New frontiers of inositide-specific phospholipase C in nuclear signalling.
Strong evidence has been obtained during the last 16 years suggesting that phosphoinositides, which are involved in the regulation of a large variety of cellular processes in the cytoplasm and in the plasma membrane, are present within the nucleus. A number of advances has resulted in the discovery that nuclear phosphoinositides and their metabolizing enzymes are deeply involved in cell growth ...
متن کاملRegulation of nuclear phospholipase C activity.
A body of evidence, linking inositide-specific phospholipase C (PI-PLC) to the nucleus, is quite extensive. The main isoform in the nucleus is PI-PLCbeta1, whose activity is up-regulated in response to insulin-like growth factor-1 (IGF-1) or insulin stimulation. Whilst at the plasma membrane this PI-PLC is activated and regulated by Galphaq/alpha(11) and Gbetagamma subunits, there is yet no evi...
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A recent study shows that sphingosine kinase and its lipid product have an essential signalling function; they act in the mobilization of calcium ions in antigen-stimulated mast cells. This finding may have relevance to signalling in other cells of the immune system.
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Phosphoinositides (PI) are the most extensively studied lipids involved in cell signaling pathways. The bulk of PI is found in membranes where they are substrates for enzymes, such as kinases, phosphatases and phospholipases, which respond to the activation by cell-surface receptors. The outcome of the majority of signaling pathways involving lipid second messengers results in nuclear responses...
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Injection of mammalian sperm extracts or cRNA of the sperm-specific phospholipase C zeta 1 (PLCZ1) has been shown to trigger repetitive oscillations in the concentration of free calcium ([Ca(2+)](i)), leading to oocyte activation and embryo development in all mammals studied to date. While PLCZ1 has cross-species activity, it has also been observed that species-specific differences may exist in...
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ژورنال
عنوان ژورنال: FEBS Journal
سال: 2013
ISSN: 1742-464X
DOI: 10.1111/febs.12450