TRPP2 is located in the primary cilia of human non-pigmented ciliary epithelial cells.

"Declarations Ethical approvalAll procedures, in particular the use of human material, were in accordance with the ethical standards of the University of Tuebingen and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The experiments were conducted after approval by the local ethics committee (Ethics No.: 332/2021BO2). In the interest of animal welfare, rat eyes were used from animals that had been used as controls in other experiments and therefore had not been exposed to any effect (Approval number of the Animal research Committee: HG6/14). Conflict of interestFZ received grants and personal fees from AbbVie, Alimera, Apellis, Bayer Healthcare, Biogen, Boehringer Ingelheim, Clearside, Novartis, Novo Nordisk, MSD Sharp & Dohme, Roche/Genentech, Sanofi, and Stada, but none related to this study. The other authors declare no competing interests. Conflict of interest FZ received grants and personal fees from AbbVie, Alimera, Apellis, Bayer Healthcare, Biogen, Boehringer Ingelheim, Clearside, Novartis, Novo Nordisk, MSD Sharp & Dohme, Roche/Genentech, Sanofi, and Stada, but none related to this study. The other authors declare no competing interests."

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