NewslettersESC & iPSC News An RNAi Screen of RNA Helicases Identifies eIF4A3 as a Regulator of Embryonic Stem Cell Identity By Noshin Noorjahan - November 23, 2022 0 271 Starting from an RNA interference (RNAi) screen of RNA helicases, investigators identified that eIF4A3, a DEAD-box helicase component of the exon junction complex, was essential for the maintenance of ESCs. [Nucleic Acids Research] Full Article