Dr. Qingjian Li is a physician-scientist and Associate Professor at Sun Yat-sen Memorial Hospital, Sun Yat-sen University. He is currently a Master’s supervisor and specializes in translational oncology research, focusing on molecular mechanisms of cancer therapy resistance and nanomedicine-based therapeutic strategies. His research has contributed to the understanding of chemotherapy and radiotherapy resistance in breast cancer, including Rac1-mediated DNA repair and targeted nanotherapeutic approaches. His work has been published in leading journals including Nature Communications, Advanced Science, Cancer Research, and Biomaterials.