ArticlebioRxiv : the preprint server for biology2026
PP2A and CDK16 antagonistically regulate WIPI2B phosphorylation and neuronal autophagosome biogenesis.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Autophagy is a recycling pathway that clears cellular constituents, supporting homeostasis. In primary murine neurons, autophagosome biogenesis declines during aging. Importantly, this decline can be restored by the ectopic expression of key autophagy component WIPI2B. The phosphorylation state of WIPI2B serine 395 is critical for this restoration, suggesting that WIPI2B S395 phosphorylation regulates autophagosome biogenesis. Here, we identified protein phosphatase 2A (PP2A) and CDK16 as regulators of WIPI2B S395 phosphorylation and neuronal autophagy. Using
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