The Synergistic Biologic Activity of Oleanolic and Ursolic Acids in Complex with Hydroxypropyl-γ-Cyclodextrin
AbstractOleanolic and ursolic acids are natural triterpenic compounds with pentacyclic cholesterol-like structures which gives them very low water solubility, a significant disadvantage in terms of bioavailability. We previously reported the synthesis of inclusion complexes between these acids and cyclodextrins, as well as their in vivo evaluation on chemically induced skin cancer experimental models. In this study the synergistic activity of the acid mixture included inside hydroxypropyl-gamma-cyclodextrin (HPGCD) was monitored using in vitro tests and in vivo skin cancer models. The coefficient of drug interaction (CDI) was used to characterize the interactions as synergism, additivity or antagonism. Our results revealed an increased antitumor activity for the mixture of the two triterpenic acids, both single and in complex with cyclodextrin, thus proving their complementary biologic activities.
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Soica, C.; Oprean, C.; Borcan, F.; Danciu, C.; Trandafirescu, C.; Coricovac, D.; Crăiniceanu, Z.; Dehelean, C.A.; Munteanu, M. The Synergistic Biologic Activity of Oleanolic and Ursolic Acids in Complex with Hydroxypropyl-γ-Cyclodextrin. Molecules 2014, 19, 4924-4940.
Soica C, Oprean C, Borcan F, Danciu C, Trandafirescu C, Coricovac D, Crăiniceanu Z, Dehelean CA, Munteanu M. The Synergistic Biologic Activity of Oleanolic and Ursolic Acids in Complex with Hydroxypropyl-γ-Cyclodextrin. Molecules. 2014; 19(4):4924-4940.Chicago/Turabian Style
Soica, Codruţa; Oprean, Camelia; Borcan, Florin; Danciu, Corina; Trandafirescu, Cristina; Coricovac, Dorina; Crăiniceanu, Zorin; Dehelean, Cristina A.; Munteanu, Melania. 2014. "The Synergistic Biologic Activity of Oleanolic and Ursolic Acids in Complex with Hydroxypropyl-γ-Cyclodextrin." Molecules 19, no. 4: 4924-4940.