Development of Ruthenium Nanophotocages with Red or Near-Infrared Light-Responsiveness.
Chembiochem : a European journal of chemical biology(2023)
摘要
The development of light-triggered ruthenium (Ru) nanophotocages has revolutionized conventional methods of drug administration, thereby facilitating cancer therapy in a noninvasive and temperate manner. Ru nanophotocages employ a distinct approach known as photoactivated chemotherapy (PACT), wherein light-induced ligand dissociation yields a toxic metal complex or a ligand capable of performing other functions such as optically controlled protein degradation and drug delivery. Simultaneously, this process is accompanied by the generation of reactive oxygen species (ROS), which serve as an effective anticancer agent in combination with PACT and photodynamic therapy (PDT). Due to its exceptional attributes of extended tissue penetration, and minimized tissue damage, red light or near-infrared light is widely acknowledged as the "phototherapeutic window" (650-900 nm). In this Concept, we present an overview of the most recent advancements in Ru nanophotocages within the phototherapeutic range. Diverse aspects, including design principles, photocaging efficacy, photoactivation mechanisms, and potential applications in the field of biomedical chemistry, are discussed. Questions and challenges regarding their synthesis, characterization, and applications are also discussed. This Concept would foster further exploration into the realm of Ru nanophotocages.
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