Theranostics of Triple-Negative Breast Cancer Based on Conjugated Polymer Nanoparticles
2018
Triple-negative breast cancer (TNBC) does not respond to many targeted drugs due to the lack of three receptors (i.e., estrogen receptor, progesterone receptor, and human epidermal growth factor receptor-2), which makes it difficult for TNBC detection and treatment. As compared to traditional breast cancer treatments such as surgery and chemotherapy, photodynamic therapy (PDT) has emerged as a promising approach for treating TNBC due to its precise controllability, high spatiotemporal accuracy, and minimal invasive nature. However, traditional photosensitizers used in PDT are associated with limitations of aggregation-caused quenching (ACQ), and the ACQ induced a significant decrease in reactive oxygen species (ROS) generation. To address these, we synthesized a cyclic arginine-glycine-aspartic acid (cRGD) peptide-decorated conjugated polymer (CP) nanoparticles with poly[2-methoxy-5-(2-ethyl-hexyloxy)-1,4-phenylenevinylene] (MEH-PPV) as the photosensitizer for the theranostics of TNBC. The synthesized CP ...
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