Lear retained, awaiting signal for splicingNuclear retained degradedNucleu sAUGSTOPAAAAAUGSTOP STOPAAAAAUGSTOPEJCAAAA3' UTR IR stabilizes mRNA:

Lear retained, awaiting signal for splicingNuclear retained degradedNucleu sAUGSTOPAAAAAUGSTOP STOPAAAAAUGSTOPEJCAAAA3' UTR IR stabilizes mRNA: NMDCytoplasmIR-NMD: PTC in retained intron triggers NMDoAUGSTOPAUGSTOPAAAAAAAAAUGAUGSTOPAUGSTOPAAAAAAAAuOR F5'UTR IR regulates translation initiation"Exitron" IR encodes protein isoformFig.…