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The biosynthesis, processing, and half-life of the drug efflux pump, P-glycoprotein, were studied in human multidrug-resistant KB (KB-C2) cells selected for resistance to colchicine. An antibody directed against a synthetic oligopeptide corresponding to the amino-acid sequence (Glu-393-Lys-408) of P-glycoprotein from human mdr1 cDNA was prepared in rabbits.(More)
Three murine monoclonal antibodies, OA-1, OA-2 and OA-3, against okadaic acid were prepared from hybridoma clones obtained by fusion of mouse 653 myeloma cells with mouse immune spleen cells sensitized to okadaic acid-ovalbumin conjugate. Each antibody reacted with dinophysistoxin-1 ( = 35-methylokadaic acid) as well as okadaic acid, but did not react with(More)
Six murine monoclonal antibodies against morphine were produced using N-(4-aminobutyl)normorphine as a hapten. Most of the antibodies obtained distinguished the substituents at the 3 and 6 positions of morphine. This property of the antibodies led to a reduction in cross-reactivity with codeine, morphine-3-glucuronide (M-3-G) and morphine-6-glucuronide(More)
15 monoclonal antibodies against methamphetamine (MA) were obtained from hybridoma clones by the fusion of mouse 653 myeloma cells with the spleen cells of the immunized mice. The monoclonal antibodies exhibited different cross-reactivities against MA-related compounds and one antibody (MA-15 Ab) was highly specific against MA. A competitive inhibition(More)
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