Abstract
Recently, the utilization of nonsteroidal anti-inflammatory drugs (NSAIDs) to sensitize cisplatin (CDDP) has gained substantial traction in the treatment of ovarian cancer (OC). However, even widely employed NSAIDs such as celecoxib and naproxen carry an elevated risk of cardiovascular events, notably thrombosis. Furthermore, the diminished sensitivity to CDDP therapy in OC is multifactorial, rendering the application of NSAIDs only partially effective due to their cyclooxygenase-2 (COX-2) inhibiting mechanism. Hence, in this study, reactive oxygen species (ROS)-responsive composite nano-hydrangeas loaded with the Chinese medicine small molecule allicin and platinum(IV) prodrug (DTP@AP NPs) were prepared to achieve comprehensive chemosensitization. On one front, allicin achieved COX-2 blocking therapy, encompassing the inhibition of proliferation, angiogenesis and endothelial mesenchymal transition (EMT), thereby mitigating the adverse impacts of CDDP chemotherapy. Simultaneously, synergistic chemosensitization was achieved from multifaceted mechanisms by decreasing CDDP inactivation, damaging mitochondria and inhibiting DNA repair. In essence, these findings provided an optimized approach for synergizing CDDP with COX-2 inhibitors, offering a promising avenue for enhancing OC treatment outcomes.
Published Version
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