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  • Title: Fatty acyl amide derivatives of doxorubicin: synthesis and in vitro anticancer activities.
    Author: Chhikara BS, St Jean N, Mandal D, Kumar A, Parang K.
    Journal: Eur J Med Chem; 2011 Jun; 46(6):2037-42. PubMed ID: 21420207.
    Abstract:
    Doxorubicin is extensively used in anticancer therapy. Doxorubicin is highly hydrophilic, has short half-life, and its use is associated with severe side effects at high doses. Fatty acyl amide derivatives of doxorubicin were synthesized with the expectation to improve the lipophilicity and anticancer activity of the drug. The lipophilicity was enhanced with the increase in chain length of fatty acyl moiety. Conjugation of 4'-amino group with fatty acids through an amide bond reduced the anticancer activity in leukemia, breast, ovarian, and colon cancer cell lines, suggesting that the presence of free amino group is required for anticancer activity of doxorubicin. Dodecanoyl-doxorubicin derivative was consistently the most effective among the synthesized derivatives and inhibited the proliferation of colon (HT-29) and ovarian (SK-OV-3) cancer cells by 64% and 58%, respectively, at a concentration of 1 μM after 96 h incubation.
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