| abstract |
Embodiments of the instant disclosure relate to novel methods and compositions for treating tumors resistant to platinum-based chemotherapy. In certain embodiments, methods of treating tumors herein can include administering an effective amount of at least one ursolic acid derivative. In certain embodiments, methods of treating tumors herein can include administering an effective amount of at least one ursolic acid derivative in combination with at least one platinum-based chemotherapeutic separately or in a combination therapy. In some embodiments, methods of treating tumors disclosed herein can include screening and/or selecting a subject suitable for treatment on the basis of SENP1 tumor expression. In other embodiments, methods of treating tumors can include administering a composition disclosed herein to a subject, the composition having a combination of at least one ursolic acid derivative and at least one platinum-based chemotherapeutic. |