RNA, U1 small nuclear 18, pseudogene (RNU1-18P)

RNA, U1 small nuclear 18, pseudogene (RNU1-18P) is a genomic DNA sequence highly similar to genes encoding U1 small nuclear RNA (U1 snRNA), but classified as a **pseudogene**, meaning it is not believed to transcribe a functional RNA product or protein due to sequence disruptions such as insertions, deletions, or mutations[1][2][3]. U1 snRNA plays an essential role as part of the spliceosome complex for pre-mRNA splicing in eukaryotic cells, but RNU1-18P is one of many **U1 snRNA pseudogenes** scattered throughout the genome[2][3]. While emerging research suggests that some U1 pseudogenes may be transcriptionally active and produce variant snRNAs with potential regulatory roles, there is currently no direct evidence that RNU1-18P encodes a functional or biologically meaningful molecule[2][3]. It is not considered a validated drug or therapeutic target, nor linked to specific diseases, used as a biomarker, or implicated in pharmacology or safety contexts. Additional context: - The term "pseudogene" indicates this sequence is not expected to produce a functional RNA, and it doesn't fit into standard categories like enzyme, receptor, transporter, or transcription factor[2]. - The "18" in the name simply marks its position in the U1 pseudogene family; there are multiple such pseudogenes[2][3]. - Pseudogenes like RNU1-18P are typically excluded from lists of molecular drug targets unless new functional data become available. - Some variant U1 pseudogenes show low-level transcriptional activity, but the function of the RNU1-18P transcript, if any, is unknown and likely negligible[1][2][3].

Other names

RNU1-18PU1 snRNA pseudogene 18U1 small nuclear RNA pseudogene 18