Canadian Scientists Develop RNA Therapy for Genetic Disorders
Researchers at the University of Toronto have discovered a new RNA therapy that can bypass faulty genetic stop signals, potentially treating various inherited conditions. This approach uses suppressor transfer RNAs (sup-tRNAs) to promote readthrough of premature termination codons, which account for 11% of human genetic disorders. The study, published in the journal Science, highlights the therapy's effectiveness in restoring function in cystic fibrosis patients, where nearly 10% have nonsense mutations in the CFTR gene. The engineered sup-tRNAs can deliver missing proteins without altering the genome, presenting a reversible treatment option. This advancement could extend beyond cystic fibrosis to other diseases caused by similar genetic errors, offering a broader platform for RNA-based therapies.
Published 1 day ago • 28 Aug 2026, 02:43 PM IST