Retina-to-brain spreading of α-synuclein after intravitreal injection of preformed fibrils.

"Declarations Ethics approval and consent to participateAll mouse experiments were performed in accordance with the requirements of the Seoul National University Institutional Animal Care and Use Committee (IACUC) (SNU-200424–3-3). Consent for publicationNot applicable. Competing interestsSJL is co-founder and CEO of Neuramedy Co. Ltd. All other authors declare no competing financial interests. Competing interests SJL is co-founder and CEO of Neuramedy Co. Ltd. All other authors declare no competing financial interests."

"Funding This work was supported by a multidisciplinary research grant-in-aid from the Seoul Metropolitan Government Seoul National University (SMG-SNU) Boramae Medical Center (02–2020-2) and by National Research Foundation (NRF) grants funded by the Korean Government (MEST) (NRF-2018R1A5A2025964)."