Variant U1 Small Nuclear RNA 17 (RNVU1-17)

Variant U1 Small Nuclear RNA 17 (RNVU1-17) is a non-coding RNA gene encoding a small nuclear RNA (snRNA) closely related to canonical U1 snRNA. It participates in pre-mRNA splicing, binding to the 5′ splice site and facilitating the assembly of the spliceosome complex in the nucleus[2][1]. Variant U1 snRNAs display high sequence similarity to canonical U1 snRNAs but may carry unique mutations or exist in variable copy numbers due to segmental duplications and genomic rearrangements[2]. The exact functionality of each variant (including RNVU1-17) may differ due to alterations in promoter or gene body sequences, with genome annotation updates potentially changing locus identification[2]. Although U1 snRNA family members are essential for cell viability and gene expression, variant loci like RNVU1-17 are not currently recognized as therapeutic targets or biomarkers, and their direct implication in disease is unclear. The assessment of mutations and copy number variation for these snRNAs presents technical challenges given their repetitive genomic context, especially for disease association studies[2].

Other names

vU1.17RNU1-127RNVU1-17