TY - GEN AU - Shahabi,N A AU - Sharp,B M TI - Activation of protein kinase C rapidly down-regulates naloxone-resistant receptors for beta-endorphin on U937 cells SN - 0022-3565 PY - 1993///0223 KW - Down-Regulation KW - physiology KW - Drug Resistance KW - Enzyme Activation KW - Humans KW - Iodine Radioisotopes KW - Isoquinolines KW - pharmacology KW - Kinetics KW - Leukemia, Monocytic, Acute KW - enzymology KW - Naloxone KW - Phorbol Esters KW - Protein Kinase C KW - antagonists & inhibitors KW - Receptors, Opioid KW - metabolism KW - Sulfonamides KW - Tetradecanoylphorbol Acetate KW - Tumor Cells, Cultured KW - ultrastructure KW - beta-Endorphin N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -