CRISPR Activation Reverses Haploinsufficiency and Functional Deficits Caused by TTN Truncation Variants.
Shahnaz GhahremaniAditya KanwalAnthony M PettinatoFeria A LadhaNicholas LegereKetan ThakarYanfen ZhuHarianto TjongAndrea WildermanW Tom StumpLina GreenbergMichael J GreenbergJustin L CotneyChia-Lin WeiJ Travis HinsonPublished in: Circulation (2024)
TTN CRISPR activation rescued TTNtv-related functional deficits despite increasing truncated TTN levels, which provides evidence to support haploinsufficiency as a relevant genetic mechanism underlying heterozygous TTNtvs. CRISPR activation could be developed as a therapeutic to treat a large proportion of TTNtvs.