ArticleProceedings of the National Academy of Sciences of the United States of America2025
SNORD80-guided 2'-O-methylation stabilizes the lncRNA GAS5 to regulate cellular stress responses.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Targeting the PHB2-ACSL3 Lipid-Remodeling Axis Overcomes Cisplatin Resistance by Restoring Ferroptosis in Gastric Cancer.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- p38β-mediated BiP phosphorylation drives stemness and chemoresistance by suppressing UPR activation in hepatocellular carcinoma.Nature communications · 2026Article
- Article
- snoRNAs and their derived sdRNAs: Emerging regulators, biomarkers, and therapeutic targets in human cancers (Review).International journal of oncology · 2026Review
- The lncRNA GAS5-encoded micropeptide facilitates influenza virus replication through modulation of the Wnt/β-catenin signaling pathway.Current research in microbial sciences · 2026Article
- Associations of children's urinary metals with blood RNA NEnvironmental research · 2025Article
- snoCLASH Reveals Extensive snoRNA-mRNA Interaction Networks.bioRxiv : the preprint server for biology · 2025Article
- Unraveling LncRNA GAS5 in Atherosclerosis: Mechanistic Insights and Clinical Translation.Biology · 2025Review
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Authors and funding
21 authors.
Funding
Abstract
The introns of the gene encoding the long noncoding RNA (lncRNA) GAS5 host up to 10 C/D box small nucleolar RNAs (snoRNAs). However, whether there is a regulatory and functional relationship between these snoRNAs and GAS5 is unknown. Here, we show that the expression of SNORD80, but not the other snoRNAs, parallels GAS5 expression and is regulated alongside GAS5 in response to cellular stress. The 2'-O-methylation at the A496 site, located within a segment of GAS5 complementing the conserved RNA-binding region on SNORD80, promotes GAS5 stability and consequent upregulation. This methylation requires SNORD80, as it is diminished by knockdown of SNORD80 and increased by SNORD80 overexpression, similar to the effects of manipulating the expression of fibrillarin, the methyltransferase of the box C/D small nucleolar ribonucleoprotein particle (snoRNP). The upregulation of SNORD80 in response to cellular stress is due to an enhancement in its stability, which is associated with an increase in its interaction with fibrillarin. Collectively, these results identify a role for SNORD80 in guiding 2'-O-methylation to stabilize GAS5. This uncovers a feedforward regulatory loop at the
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