RNA, U1 small nuclear 2 (RNU1-2)

RNA, U1 small nuclear 2 (RNU1-2, also known as vU1.2 and by other aliases) encodes a variant of the U1 small nuclear RNA, a non-coding RNA component of the major spliceosome involved in the removal of introns from pre-mRNA. RNU1-2 and its variant forms are part of a large and complex family of U1 snRNA genes and pseudogenes in the human genome, with high sequence similarity, complex copy number variation (CNV), and inter-individual variability[3]. Canonical U1 snRNA genes and their variant forms, including RNU1-2, produce RNAs required for recognition of splice donor sites during pre-mRNA splicing, a fundamental step of gene expression in eukaryotes. While U1 snRNAs are essential to cell function, RNU1-2 itself is not referred to as a therapeutic target, receptor, enzyme, transporter, or similar pharmacologically relevant target, and there are no known drugs that directly interact with this RNA. RNU1-2 is sometimes used as a stable reference RNA in gene expression studies, particularly in cancer research[1]. However, the locus is best classified as a functional non-coding RNA gene with essential general cell functions but without direct therapeutic targeting roles. - The name provided merges canonical genes (RNU1-2) and several pseudogenes or variants under a single entry. Not all aliases are strictly functional genes; some are pseudogenes[3]. - RNU1-2 and its variants belong to a non-coding RNA class, not to any class of classical drug targets like enzyme, transporter, or receptor. - There is currently no evidence that RNU1-2 is targeted by specific drugs, is used as a clinical biomarker beyond experimental normalization, or is directly associated with specific diseases as a causative or actionable gene[1][3].

Other names

vU1.2RNU1-71U1P1U1.1vU1.11U1P2ARNU1-12PRNU1-13PRNU1P2RNU1P6RNVU1-11RNA, U1 small nuclear 12, pseudogeneRNA, U1 small nuclear 13, pseudogeneRNA, U1 small nuclear pseudogene 2RNA, U1 small nuclear pseudogene 6RNA, variant U1 small nuclear 11