Flies were maintained in standard cornmeal media at 25°C. Transgenic fly lines carrying UAS-Luciferase RNAi, UAS-human tau and UAS-Aβ42 were previously described [43 (link),63 (link)]. Eaat1SM2 and a precise excision line Eaat1PE (used as a control line for Eaat1SM2) are kind gifts from Dr. D. J. van Meyel (McGill University) [55 (link)]. The elav-GAL4 (#458), Repo-GAL4 (#7415), GMR-GAL4 (#1104), UAS-wfs1 RNAiTRiP (#53330), UAS-mcherry RNAi (#35785), wfs1e03461 (#18157), wfs1MI14041 (#59250), UAS-wfs1 (#8356), UAS-wfs1 (#8357), UAS-mitoGFP (#8442) and UAS-Luciferase (#35788), Opa1S3475 (#12188) were obtained from the Bloomington Stock Center. UAS-wfs1 RNAiGD (#42664) was obtained from the Vienna Drosophila RNAi Center. wfs1LL07290 (#142011) was obtained from Kyoto Stock Center. Genotypes and ages of all flies used in this study are provided in S1 Table. Experiments were performed using age-matched male or female flies.
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