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Enhancement of the biological activity of adenosine analogs by the adenosine deaminase inhibitor 2'-deoxycoformycin. 1977

R H Adamson, and D W Zaharevitz, and D G Johns

The potent adenosine deaminase inhibitor 2'-deoxycoformycin ((R)-3-(2-deoxy-beta-D-erythropentofuranosyl)-3,6,7,8-tetrahydroimidazo[4,5-d][1,3]diazepin-8-ol) inhibits the enzymic inactivation and potentiates the cytotoxic activity of a variety of adenosine analogs in the P388 murine leukemia cell culture system. The activity of all seven adenosine analogs examined was enhanced by 2'-deoxycoformycin with the exception of tubercidin (7-deaza-adenosine) which is not a substrate for the deaminase. In vivo, 2'-deoxy-coformycin potentiated the antineoplastic activity of 9-beta-D-xylofuranosyladenine in mice with P388 murine leukemia.

UI MeSH Term Description Entries
D007942 Leukemia, Experimental Leukemia induced experimentally in animals by exposure to leukemogenic agents, such as VIRUSES; RADIATION; or by TRANSPLANTATION of leukemic tissues. Experimental Leukemia,Experimental Leukemias,Leukemia Model, Animal,Leukemias, Experimental,Animal Leukemia Model,Animal Leukemia Models,Leukemia Models, Animal
D009700 Nucleoside Deaminases Catalyze the hydrolysis of nucleosides with the elimination of ammonia. Deaminases, Nucleoside
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003853 Deoxyribonucleosides A purine or pyrimidine base bonded to DEOXYRIBOSE.
D004357 Drug Synergism The action of a drug in promoting or enhancing the effectiveness of another drug. Drug Potentiation,Drug Augmentation,Augmentation, Drug,Augmentations, Drug,Drug Augmentations,Drug Potentiations,Drug Synergisms,Potentiation, Drug,Potentiations, Drug,Synergism, Drug,Synergisms, Drug
D005260 Female Females
D000241 Adenosine A nucleoside that is composed of ADENINE and D-RIBOSE. Adenosine or adenosine derivatives play many important biological roles in addition to being components of DNA and RNA. Adenosine itself is a neurotransmitter. Adenocard,Adenoscan
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001381 Azepines Seven membered heterocyclic rings containing a NITROGEN atom. Hexamethyleneimines
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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