Abstract
AbstractHormones, neurotransmitters, chemoattractants, and growth factors all elicit intracellular responses, on binding to cell surface receptors, by activating inositol phospholipid-specific phospholipase C (PLC). Activated PLC catalyzes the hydrolysis of phosphatidylinositol bisphosphate (PIP2), a minor membrane phospholipid, to form two second messengers, diacylglycerol (DAG) and inositol (1,4,5)trisphosphate [Ins(1,4,5,)P3]. DAG is a direct activator of protein kinase C isozymes, Ins(1,4,5)P3 mobilizes intracellular Ca2+. G protein-coupled receptors couple to the PLC-β family via G proteins, and tyrosine kinase receptors activate PLCγ isozymes (1). Regardless of the PLC isozyme activated, the product is invariantly Ins(1,4,5)P3.KeywordsHL60 CellPermeabilized CellInositol PhosphateInositol TrisphosphateAssay TubeThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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