RT Journal Article T1 Multivalent Calixarene-Based Liposomes as Platforms for Gene and Drug Delivery. A1 Lebrón, José Antonio A1 López-López, Manuel A1 García-Calderón, Clara B A1 V Rosado, Ivan A1 Balestra, Fernando R A1 Huertas, Pablo A1 Rodik, Roman V A1 Kalchenko, Vitaly I A1 Bernal, Eva A1 Moyá, María Luisa A1 López-Cornejo, Pilar A1 Ostos, Francisco J K1 cationic calix[4]arenes K1 doxorubicin K1 encapsulation K1 liposomes K1 nucleic acids K1 transfection efficiency AB The formation of calixarene-based liposomes was investigated, and the characterization of these nanostructures was carried out using several techniques. Four amphiphilic calixarenes were used. The length of the hydrophobic chains attached to the lower rim as well as the nature of the polar group present in the upper rim of the calixarenes were varied. The lipid bilayer was formed with one calixarene and with the phospholipid 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine, DOPE. The cytotoxicity of the liposomes for various cell lines was also studied. From the results obtained, the liposomes formed with the least cytotoxic calixarene, (TEAC12)4, were used as nanocarriers of both nucleic acids and the antineoplastic drug doxorubicin, DOX. Results showed that (TEAC12)4/DOPE/p-EGFP-C1 lipoplexes, of a given composition, can transfect the genetic material, although the transfection efficiency substantially increases in the presence of an additional amount of DOPE as coadjuvant. On the other hand, the (TEAC12)4/DOPE liposomes present a high doxorubicin encapsulation efficiency, and a slow controlled release, which could diminish the side effects of the drug. SN 1999-4923 YR 2021 FD 2021-08-12 LK https://hdl.handle.net/10668/28375 UL https://hdl.handle.net/10668/28375 LA en DS RISalud RD Apr 6, 2025