A multiparametric anti-aging CRISPR screen uncovers a role for BAF in protein translation

Author:

Breusegem Sophia Y.,Houghton Jack,Romero-Bueno Raquel,Fragoso-Luna Adrián,Kentistou Katherine A.,Ong Ken K.,Janssen Anne F. J.,Bright Nicholas A.,Riedel Christian G.,Perry John R. B.,Askjaer PeterORCID,Larrieu DelphineORCID

Abstract

AbstractProgeria syndromes are very rare, incurable premature aging conditions recapitulating most aging features. Here, we report the first whole genome, multiparametric CRISPR anti-aging screen, identifying 43 new genes that can reverse multiple aging phenotypes in progeria. The screen was implemented in fibroblasts from Néstor- Guillermo Progeria Syndrome (NGPS) patients, carrying a homozygous p.Ala12Thr mutation in barrier-to-autointegration factor (BAF A12T). The hits were enriched for genes involved in protein translation, protein and RNA transport and osteoclast formation. We further confirmed that BAF A12T drives increased protein translation and translational errors that could directly contribute to premature aging in patients. This work has highlighted the power of multiparametric whole genome synthetic rescue screens to identify new anti-aging genes and uncover novel biology behind progeria-associated cellular dysfunction.One-Sentence SummaryA whole genome multiparametric screen in progeria identifies new pathways that can reverse cellular aging phenotypes.

Publisher

Cold Spring Harbor Laboratory

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