Détail du document
Identifiant
oai:pubmedcentral.nih.gov:1000...
Sujet
ArticleAuteur
Carrillo, David Reggiardo, Roman E. Lim, John Mantalas, Gary Peddu, Vikas Kim, Daniel H.Langue
enEditeur
Cold Spring Harbor Laboratory
Catégorie
biorxiv
Année
2023
Date de référencement
15/03/2023
Mots clés
rna cancer lung rnas kras teRésumé
Mutant KRAS regulates transposable element (TE) RNA and interferon-stimulated gene (ISG) expression, but it remains unclear whether diverse mutations in KRAS affect different TE RNAs throughout the genome.
We analyzed the transcriptomes of 3D human lung cancer spheroids that harbor KRAS(G12C) mutations to determine the landscape of TE RNAs regulated by mutant KRAS(G12C).
We found that KRAS(G12C) signaling is required for the expression of LINE- and LTR-derived TE RNAs that are distinct from TE RNAs previously shown to be regulated by mutant KRAS(G12D) or KRAS(G12V).
Moreover, KRAS(G12C) inhibition specifically upregulates SINE-derived TE RNAs from the youngest Alu subfamily AluY.
Our results reveal that TE RNA dysregulation in KRAS-driven lung cancer cells is mutation-dependent, while also highlighting a subset of young, Alu-derived TE RNAs that are coordinately activated with innate immunity genes upon KRAS(G12C) inhibition.
Carrillo, David,Reggiardo, Roman E.,Lim, John,Mantalas, Gary,Peddu, Vikas,Kim, Daniel H., 2023, Transposable element RNA dysregulation in mutant KRAS(G12C) 3D lung cancer spheroids , Cold Spring Harbor Laboratory
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