Prodrug Polymeric Nanoconjugates Encapsulating Gold Nanoparticles for Enhanced X‐Ray Radiation Therapy in Breast Cancer
Hamed Nosrati, Farzad Seidi, Ali Hosseinmirzaei, Navid Mousazadeh, Ali Mohammadi, Mohammadreza Ghaffarlou, Hossein Danafar, João Conde, Ali Sharafi
Abstract
An optimal radiosensitizer with improved tumor retention has an important effect on tumor radiation therapy. Herein, gold nanoparticles (Au NPs) and drug-containing, mPEG-conjugated CUR (mPEG-CUR), self-assembled NPs (mPEG-CUR@Au) are developed and evaluated as a drug carrier and radiosensitizer in a breast cancer mice model. As a result, cancer therapy efficacy is improved significantly by applying all-in-one NPs to achieve synchronous chemoradiotherapy, as evidenced by studies evaluating cell viability, proliferation, and ROS production. In vivo anticancer experiments show that the mPEG-CUR@Au system improves the radiation sensitivity of 4T1 mammary carcinoma and completely abrogates breast cancer.