Phorbol esters cause preferential secretion of norepinephrine from bovine chromaffin cells. Mouse hepatitis virus infection suppresses modulation of mouse spleen T-cell activation. Nicotinic agonists, phorbol esters, and growth factors activate two extracellular signal-regulated kinases, ERK1 and ERK2, in bovine chromaffin cells. Staurosporine activates a 60,000 M r protein kinase in bovine chromaffin cells that phosphorylates myelin basic protein in vitro. Tetraethylammonium selectively stimulates secretion from noradrenergic bovine chromaffin cells.
Glucocorticoids enhance histamine-evoked catecholamine secretion from bovine chromaffin cells.
Neurotransmitter suppression of the in vitro generation of a cytotoxic T lymphocyte response against the syngeneic MOPC-315 plasmacytoma. Differential regulation of phenylethanolamine N-methyltransferase expression in two distinct subpopulations of bovine chromaffin cells. J. Neurochem., in press.