Fbxo42 promotes the degradation of Ataxin-2 granules to trigger terminal Xbp1 signaling
Cristiana C Santos, Nadine Schweizer, Fátima Cairrão, Juanma Ramírez, Nerea Osinalde, Ming Yang, Catarina J Gaspar, Vanya I Rasheva, Miguel L Trigo, Zach Hensel, Colin Adrain, Tiago N. Cordeiro, Franka Voigt, Paulo A. Gameiro, Ugo Mayor, Pedro Manuel Dias Neto Domingos
This study shows Fbxo42 promotes degradation of Ataxin-2 granules, enabling Xbp1 translation and triggering cell death during terminal UPR activation.
Nature Communications · Aug 13, 2025Peer-reviewedCell Biology