Article
Translational induction of ATF4 during integrated stress response requires noncanonical initiation factors eIF2D and DENR.
Nature communications - 16 Sept 2020
Vasudevan Deepika, Neuman Sarah D, Yang Amy, Lough Lea, Brown Brian, Bashirullah Arash, Cardozo Timothy, Ryoo Hyung Don
Abstract excerpt
The Integrated Stress Response (ISR) helps metazoan cells adapt to cellular stress by limiting the availability of initiator methionyl-tRNA for translation. Such limiting conditions paradoxically stimulate the translation of ATF4 mRNA through a regulatory 5' leader sequence with multiple upstream Open Reading Frames (uORFs), thereby activating stress-responsive gene expression. Here, we report the identification...
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