Ribosomal protein L5 (RPL5/uL18) I60V mutation is associated to increased translation and modulates drug sensitivity in T-cell acute lymphoblastic leukemia cells. (PubMed, Biochem Pharmacol)
We then evaluated the response of these mutant cells to a panel of compounds targeting protein synthesis at various levels-including an MNK1 inhibitor, metformin, silvestrol, homoharringtonine, anisomycin, resveratrol, and hygromycin B-as well as cytarabine, a chemotherapeutic agent commonly used in T-ALL treatment. Our results showed that the RPL5-I60V mutation confers increased sensitivity to most of these compounds, with the exception of hygromycin B. This study advances our understanding of how oncoribosomes contribute to cancer pathogenesis and highlights the therapeutic potential of directly or indirectly targeting altered ribosomes, offering insights for the development of personalized treatment strategies.