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Overview
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Background
Hexadecyl Methyl Glycerol, also known as AMG-C16 with a hexadecyl chain at the sn-1 position, is a novel inhibitor of protein kinase C with IC50 value of about 80 μM [1]. Protein kinase C is a phospholipid-dependent kinase and the intracellular receptor for phorbol 12-myristate-13-acetate (PMA), a substance that activates both the respiratory burst and protein kinase C. PKC enzymes are activated by signals such as increases in the concentration of diacylglycerol (DAG) or calcium ions (Ca2+) [1]. Hexadecyl Methyl Glycerol is a structural analog of diacylglycerol with a hexadecyl chain at the sn-1 position and a methyl group at the sn-2 position. Hexadecyl Methyl Glycerol inhibited the activation of purified protein kinase C by diacylglycerol in the presence of phosphatidylserine. In neutrophilic granulocytes, Hexadecyl Methyl Glycerol inhibited the respiratory burst induced by PDBu in a dose-dependent way. In neutrophils, Hexadecyl Methyl Glycerol inhibited the phosphorylation of purified 47-kDa protein, an important substrate of protein kinase C [1].
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Overview