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Updated: Aug 27, 2026

Polymalic Acid-based Nano Biopolymers for Targeting of Multiple Tumor Markers: An Opportunity for Personalized Medicine?
Published on: June 13, 2014
Lipoamino acid conjugates of methotrexate with antitumor activity
R Pignatello1, G Jansen, I Kathmann
1The Department of Pharmaceutical and Biological Chemistry, The School of Pharmacy, University of London, UK.
Abstract:
The synthesis, characterization, and in vitro antitumor activity against a wild and a transport-resistant CCRF-CEM cell line is described for a series of alpha,gamma-bisamide lipoamino acid and oligomer conjugates of methotrexate. The influence of the lipophilicity of the conjugates on the cytotoxicity and the dihydrofolate reductase inhibition was investigated. All compounds were more active than their fatty acid conjugate analogues. Compound le with a 12-carbon atom aliphatic side chain showed the highest in vitro activity.
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