Search results for "Sulfenic Acids"

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Metabotropic glutamate receptors activate phospholipase D in astrocytes through a protein kinase C-dependent and Rho-independent pathway.

2003

Metabotropic glutamate receptors (mGluRs) are G protein-coupled receptors that mediate phospholipase D (PLD) activation in brain, but the mechanism underlying this response remains unclear. Here we used primary cultures of astrocytes as a cell model to explore the mechanism that links mGluRs to PLD. Glutamate activated both phospholipase C (PLC) and PLD with equal potency and this effect was mimicked by L-cysteinesulfinic acid, a putative neurotransmitter previously shown to activate mGluRs coupled to PLD, but not PLC, in adult brain. PLD activation by glutamate was dependent on Ca(2+) mobilization and fully blocked by both protein kinase C (PKC) inhibitors and PKC down-regulation, suggesti…

rho GTP-Binding ProteinsIndolesBacterial ToxinsGlutamic AcidBiologyReceptors Metabotropic GlutamateSulfenic AcidsMaleimidesRats Sprague-DawleyCellular and Molecular NeuroscienceBacterial ProteinsStress FibersmedicinePhospholipase DAnimalsCysteineEgtazic AcidProtein kinase CCells CulturedProtein Kinase CChelating AgentsPharmacologyProtein Synthesis InhibitorsBrefeldin APhospholipase CDose-Response Relationship DrugEndothelin-1Phospholipase DADP-Ribosylation FactorsMetabotropic glutamate receptor 6Glutamate receptorDNAMolecular biologyRatsenzymes and coenzymes (carbohydrates)medicine.anatomical_structureMetabotropic receptorMetabotropic glutamate receptorAstrocytesType C PhospholipasesTetradecanoylphorbol Acetatelipids (amino acids peptides and proteins)AstrocyteNeuropharmacology
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