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Cellular pharmacology of cyclopentenyl cytosine in Molt-4 lymphoblasts.
The toxicity, uptake, and metabolism of the oncolytic nucleoside cyclopentenyl cytosine (CPEC) have been examined in the Molt-4 line of human lymphoblasts. This compound is known to be converted toExpand
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Replication of human immunodeficiency virus in monocytes. Granulocyte/macrophage colony-stimulating factor (GM-CSF) potentiates viral production yet enhances the antiviral effect mediated by
We have investigated the influence of granulocyte-macrophage CSF (GM- CSF) on the replication of HIV-1 in cells of monocyte/macrophage (M/M) lineage, and its effect on the anti-HIV activity ofExpand
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Metabolism and action of amino acid analog anti-cancer agents.
The preclinical pharmacology, antitumor activity and toxicity of seven of the more important amino acid analogs, with antineoplastic activity, is discussed in this review. Three of these compoundsExpand
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Arabinofuranosyl-5-azacytosine: antitumor and cytotoxic properties.
Arabinofuranosyl-5-azacytosine (ara-AC), a nucleoside combining the structural elements of 5-azacytidine and arabinofuranosylcytosine, exhibited unusually wide therapeutic activity against severalExpand
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Initial studies on the mechanism of action of a new oncolytic thiazole nucleoside, 2-beta-D-ribofuranosylthiazole-4-carboxamide (NSC 286193).
Studies on the mechanism of action of a new oncolytic nucleoside, 2-β-d-ribofuranosylthiazole-4-carboxamide, have been undertaken using P388 murine leukemia cells growing in culture. The titleExpand
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The disposition and metabolism of 2',3'-dideoxycytidine, an in vitro inhibitor of human T-lymphotrophic virus type III infectivity, in mice and monkeys.
The pharmacokinetics and metabolism of the anti-human T-lymphotrophic virus type III/lymphadenopathy-associated virus agent 2',3-dideoxycytidine have been examined in BDF1 mice and rhesus monkeys,Expand
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Metabolic pathways for the activation of the antiretroviral agent 2',3'-dideoxyadenosine in human lymphoid cells.
The pathways of 2',3'-dideoxyadenosine (ddAdo) metabolism, a selective inhibitor of the replication of human immunodeficiency virus, were investigated with use of the human T-lymphoid cell lineExpand
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Cyclopentenylcytosine triphosphate. Formation and inhibition of CTP synthetase.
Cyclopentenylcytosine (CPEC) is phosphorylated in L1210 cells with CPEC triphosphate as the major metabolite. Partially purified uridine-cytidine kinase catalyzes the initial phosphorylation ofExpand
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Mechanism of resistance of variants of the Lewis lung carcinoma to N-(phosphonacetyl)-L-aspartic acid.
Variants of the Lewis lung carcinoma were selected for resistance to N-(phosphonacetyl)-L-aspartic acid (PALA) by treatment of tumor-bearing mice with repetitive subcurative doses of PALA. TheExpand
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Inhibitors of IMP dehydrogenase stimulate the phosphorylation of the anti-human immunodeficiency virus nucleosides 2',3'-dideoxyadenosine and 2',3'-dideoxyinosine.
2',3'-Dideoxyadenosine (ddAdo) and its deamination product 2',3'-dideoxyinosine (ddIno) (didanosine) inhibit the replication and infectivity of the human immunodeficiency virus (HIV) in a number ofExpand
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