Saturation editing of RNU4-2 reveals distinct dominant and recessive disorders

Publication details

Published 2026
Brain
RNU4-2
The Genome Function Laboratory, The Francis Crick Institute, Oxford Big Data Institute, Centre for Human Genetics, University of Oxford, University College London (UCL)
De Jonghe, J., Kim, H.C., Adedeji, A. et al.
10.1038/s41586-026-10334-9
De Jonghe, J., Kim, H.C., Adedeji, A. et al. Saturation editing of RNU4-2 reveals distinct dominant and recessive disorders. Nature 654, 429–436 (2026).

This Nature article looks at changes in the RNU4-2 gene, which can cause rare genetic conditions. The researchers used a technique called saturation editing to study many possible changes in the gene and see which ones affect how cells work. They found that different changes can cause different types of genetic disorder, including conditions that are inherited in different ways.

The findings could help researchers better understand how changes in RNU4-2 cause disease and improve the way genetic variants are assessed. This may help doctors identify disease-causing changes that are difficult to interpret and support more accurate diagnoses for people with rare genetic conditions.

Keywords: RNU4-2, rare genetic conditions, genetic variants, saturation editing, gene function, genetic diagnosis