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  • Title: 2'-O-nitro-1-beta-D-arabinofuranosylcytosine. A new derivative of 1-beta-D-arabinofuranosylcytosine that resists enzymatic deamination and has antileukemic activity.
    Author: Chwang TL, Fridland A, Avery TL.
    Journal: J Med Chem; 1983 Feb; 26(2):280-3. PubMed ID: 6827546.
    Abstract:
    To overcome the susceptibility of the anticancer drug 1-beta-D-arabinofuranosylcytosine (ara-C) to enzymatic deamination, and hence deactivation, we prepared the 2'-O-nitro-1-beta-D-arabinofuranosylcytosine (termed nitrara-C) and evaluated it for biological activity. Nitrara-C was resistant to enzymatic deamination and inhibited the proliferation of several strains of human leukemic T and B lymphoblasts grown in culture. Moreover, it substantially extended the life spans of mice with L1210 leukemia. Studies with ara-C-resistant human leukemic lymphoblasts deficient in deoxycytidine kinase activity disclosed that the inhibitory activity of the new compound depends on its phosphorylation.
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