pH-Responsive polymer boosts cytosolic siRNA release for retinal neovascularization therapy.

"Conflicts of interest The authors have no conflicts of interest to declare."

"This work was supported by the National Natural Science Foundation (32001008, 32171394, 31901053, 32101157, 32101148, 82202338, China), the National Key Research & Development Program of China (2021YFA1201000, 2021YFE0106900, 2021YFC2302400), the Fundamental Research Funds for the Central Universities (2022CX01013, China), Beijing Nova Program (Interdisciplinary Cooperation Project) from Beijing Municipal Science & Technology Commission (20220484207, China). We appreciate the kind suggestions and help from Prof. Bailiang Wang of Wenzhou Medical University. We thank the Biological and Medical Engineering Core Facilities, and Analysis & Testing Center, Beijing Institute of Technology for supporting experimental equipment, and staffs for valuable help with technical support."