Retinitis Pigmentosa’s New Genetic Player

Researchers uncover new noncoding genetic culprit in autosomal dominant retinitis pigmentosa

Share

1

Retinitis pigmentosa (RP) still lacks a definitive molecular diagnosis in 30–50% of cases despite advances in genetics.
2

A new study identifies noncoding small nuclear RNAs (snRNAs) as a class of disease-causing genes in RP.
3

Variants in RNU4-2 and RNU6 paralogs were found to cause nonsyndromic autosomal dominant RP in affected individuals.
4

The study identified pathogenic variants in 153 individuals from 67 families, with recurrent changes in a conserved U4/U6 duplex region.
5

These findings suggest snRNA genes should be included in future diagnostic pipelines for unresolved RP cases.