Cytosine Arabinoside
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Pyrimidine Antagonist -> Cytosine Arabinoside
Cytosine Arabinoside Definition
An antimetabolite analogue of cytidine with a modified sugar moiety (arabinose instead of ribose). Cytarabine is converted to the triphosphate form within the cell and then competes with cytidine for incorporation into DNA. Because the arabinose sugar sterically hinders the rotation of the molecule within DNA, DNA replication ceases, specifically during the S phase of the cell cycle. This agent also inhibits DNA polymerase, resulting in a decrease in DNA replication and repair. (NCI04)
Cytosine Arabinoside Synonyms
Cytarabine, .beta.-Cytosine arabinoside, 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone, 1-.beta.-D-Arabinofuranosylcytosine, 1-Beta-D-arabinofuranosylcytosine, 1.beta.-D-Arabinofuranosylcytosine, 2(1H)-Pyrimidinone, 4-amino-1.beta.-D-arabinofuranosyl-, 4-Amino-1-beta-D-arabinofuranosyl-2(1H)-pyrimidinone, ARA-cell, Alexan, Ara-C, Arabine, Arabinofuranosylcytosine, Arabinosylcytosine, Aracytidine, Aracytin, Aracytine, Beta-Cytosine Arabinoside, CHX-3311, CYTARABINE, Cytarabinum, Cytarbel, Cytosar, Cytosar-U, Cytosine Arabinoside, Cytosine-.beta.-arabinoside, Erpalfa, Starasid, Tarabine PFS, U 19920, U-19920, Udicil, WR-28453, cytarabine
Terms in Cytosine Arabinoside category
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