Schwendener, R; Schott, H (1992). Treatment of L1210 murine leukemia with liposome-incorporated N4-hexadecyl-1-beta-D-arabinofuranosyl cytosine. International Journal of Cancer, 51(3):466-469.
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N4-alkyl-1-beta-D-arabinofuranosyl cytosines as lipophilic derivatives of the widely used anti-tumor drug 1-beta-D-arabinofuranosylcytosine (ara-C) were synthesized and incorporated into unilamellar liposomes. The resulting preparations yielded stable unilamellar liposomes with diameters ranging between 40 and 70 nm. The liposomal derivatives exhibited an increased anti-tumor effect against the murine L1210 lymphoid leukemia at optimal molar concentrations which were 16 times lower than those previously reported for free ara-C. The N4-alkyl-ara-C derivatives with alkyl chains containing 14-16 C-atoms were highly effective against L1210 leukemia whereas shorter chains showed no cytostatic effects. The increased resistance to hydrolysis of the N4-alkyl-ara-C derivatives and the improved anti-tumor effect of the liposomal N4-hexadecyl-ara-C preparation compared to other known N4-acyl-ara-C prodrugs, together with the possibility of preparing large volumes of stable and sterile liposomes, hold out the prospect of more effective chemotherapy for leukemias.
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Institute of Molecular Cancer Research
07 Faculty of Science > Institute of Molecular Cancer Research
|DDC:||570 Life sciences; biology|
|Deposited On:||20 Oct 2009 12:05|
|Last Modified:||27 Nov 2013 16:57|
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