UPF1 Antibody

1. Status epilepticus led to increased protein levels of Up-frameshift suppressor 1 homolog (Upf1) within the mouse hippocampus. Upf1 protein levels were also higher in resected hippocampus from patients with intractable temporal lobe epilepsy. PMID: 28128343
2. UPF1 is amplified by hyperphosphorylation which reduces stalls in nonsense-mediated RNA decay PMID: 27511142
3. UPF1 interacts with PNRC2 and that it triggers 5'-3' exonucleolytic decay of reporter transcripts in tethering assays. PMID: 29348139
4. UPF1 regulates the expression of genes with functions in inflammation and myeloid cell differentiation via hnRNP E2. PMID: 27573788
5. HTLV-1 Tax protein interacts with the central helicase core domain of UPF1 and freezes it, which leads to nonsense-mediated mRNA decay inhibition. PMID: 29382845
6. results indicate that UPF1 can dissociate miRNAs from their mRNA targets, making the miRNAs susceptible to Tudor-staphylococcal/micrococcal-like nuclease (TSN)-mediated miRNA decay. PMID: 28827400
7. Overexpression of UPF1 inhibited cell proliferation, cell cycle progression, cell migration and invasion, and promoted cell apoptosis in gastric cancer cells. Moreover, the UPF1-mediated inhibition of gastric cancer progression was reversed by overexpression of MALAT1. PMID: 28942451
8. The nucleic acids processing activities of UPF1 are consistent with its function in mRNA regulation and suggest that roles in DNA replication could also be influenced by base sequence. PMID: 28541562
9. MARVELD1 substantially inhibits nonsense-mediated RNA decay by decreasing the pioneer round of translation but not steady-state translation, and is an important component of the molecular machinery containing UPF1 and Y14. MARVELD1 promotes the dissociation of SMG1 from UPF1, resulting in the repression of serine phosphorylation of UPF1, and subsequently blocks the recruitment of SMG5. PMID: 23826386
10. UPF1 acts as an E3 ligase via its RING domain to promote MYOD protein ubiquitination and degradation and repress myogenesis. PMID: 28669802
11. Upregulation of SNHG6 regulates ZEB1 expression by competitively binding miR-101-3p and interacting with UPF1 in hepatocellular carcinoma, promoting tumor growth and metastasis. PMID: 27702662
12. Study showed that UPF1 was down-regulated due to promoter hypermethylation in hepatocellular carcinoma tissues which correlated with decreased survival. PMID: 26759305
13. CARM1 associates with major nonsense-mediated mRNA decay factor UPF1 and promotes its occupancy on premature terminating codon-containing transcripts in spinal muscular atrophy. PMID: 26656492
14. Upf1 is a RNA helicase essential for nonsense-mediated mRNA decay. Once recruited onto NMD mRNA targets, Upf1 can scan the entire transcript to irreversibly remodel the mRNP, facilitating its degradation by the NMD machinery. PMID: 26138914
15. Results present evidence for a critical role for Upf1 ATPase activity in nonsense-mediated decay target discrimination, with preferential ATPase-dependent release of Upf1 from non-target mRNAs as part of the underlying mechanism. PMID: 26253027
16. GR and PNRC2 interact in a ligand-dependent manner to recruit UPF1 for rapid mRNA degradation PMID: 25775514
17. Depletion of nonsense-mediated mRNA decay pathway components Upf1, Smg5, and Smg7 led to increased levels of viral proteins and and virus release. PMID: 25211080
18. UPF1 gets recruited to mRNA and becomes phosphorylated before being exported to the cytoplasm as part of the mRNP. PMID: 24762188
19. SMG6 requires UPF1 and SMG1 for nonsense-mediated mRNA decay. PMID: 25053839
20. The study demonstrates that SMG5-SMG7 and SMG6 exhibit different and non-overlapping modes of UPF1 recognition, thus pointing at distinguished roles in integrating the complex nonsense-mediated mRNA decay interaction network. PMID: 25013172
21. 3' UTR-associated UPF1 undergoes regulated phosphorylation on NMD targets, providing a binding platform for mRNA degradative activities PMID: 25184677
22. Adenosquamous carcinomas frequently harbor somatically acquired mutations in the UPF1 gene which alter RNA splicing and perturb nonsense-mediated RNA decay. PMID: 24859531
23. This study demonstrated the quantitative regulation of Upf1 and Upf2 proteins by ubiquitin-proteasome system and SMG1. PMID: 24173962
24. Results show tha MOV10 interacts with UPF1. Moreover, UPF1 binding sites were identified and showed that both MOV10 and UPF1 interact with RNA in close proximity to each other. PMID: 24726324
25. FXR1 and UPF1 may have a functional role in prostate cancer progression and metastasis. PMID: 23881279
26. UPF1 is a critical gene expression regulator of 5-lipoxygenase and other proteins in the monocytes. PMID: 23642263
27. Thus, whereas ectopic MOV10 restricts human immunodeficiency virus type 1 replication, the related UPF1 helicase functions as a cofactor at an early postentry step. PMID: 23785196
28. UPF1 binds RNA before translation and gets displaced from the coding regions by translating ribosomes. PMID: 23832275
29. The SQ domain of the human Upf1 helicase, directly interacts with the helicase domain to impede ATP hydrolysis and RNA unwinding. PMID: 23275559
30. nonsense-mediated mRNA decay involves UPF1 binding along a 3' UTR whether the 3' UTR contains an exon-junction complex. PMID: 23404710
31. Data indicate a specific impact of hUPF1 on the regulation of complex I genes. PMID: 22889941
32. the functions of UPF1 in maintaining the stability of telomeres and of the genome PMID: 22156744
33. Data show that UPF1 also interacts with proteins associated with nuclear RNA degradation and transcription termination PMID: 22817733
34. UPF1 is an important factor for the RNA quality control system and the regulation of physiological gene expression, and contributes to DNA replication, DNA repair, telomere metabolism, and stabilization of HIV-1 genomic RNA. PMID: 22622014
35. HTLV-1 Tax binds to UPF1 and causes an increase in the amount of phospho-UPF1. These activities coincidewith an enhanced localization of UPF1 in the P-bodies, in which Tax was also partially detected PMID: 22553336
36. The heptameric assembly of the UPF complex is built around UPF2, a scaffold protein with a ring structure that closes around the CH domain of UPF1, keeping the helicase region in an accessible and unwinding-competent state. PMID: 22522823
37. Recruitment of Stau2 alone or in combination with Upf1 differentially affects the fate of mRNAs. PMID: 22087843
38. UPF1 interacts with TPP1 and telomerase and sustains telomere leading-strand replication PMID: 21829167
39. Rescue of UPF1 by expression of exogenous UPF1 was found to suppress vascular smooth muscle cell proliferation. PMID: 21749700
40. hUPF1 rescues the toxicity of FUS/TLS in yeast model, implicating a possible insufficiency in RNA processing or the RNA quality control machinery in the mechanism of FUS/TLS mediated toxicity. PMID: 21541368
41. Data show that upon binding to Upf2, the regulatory CH domain of Upf1 undergoes a large conformational change, causing the catalytic helicase domain to bind RNA less extensively and triggering its helicase activity. PMID: 21419344
42. demonstrate that the ATPase activity of the RNA helicase Upf1 allows disassembly of mRNPs undergoing nonsense-mediated mRNA decay PMID: 21145460
43. A conserved nonsense-mediated mRNA decay event within HNRNPA2B1 that appears to mediate autoregulation of HNRNPA2B1 expression levels, was identified upon UPF1 knockdown . PMID: 20946641
44. Study uncovers a 2-step mechanism for Upf1-dependent degradation of mRNAs with long 3'UTRs and proposes a model for 3'UTR length surveillance in which equilibrium binding of Upf1 to mRNAs precedes a kinetically distinct commitment to RNA decay. PMID: 21029861
45. UPF1 binds PTC-containing mRNA more efficiently than the corresponding PTC-free mRNA in a way that is promoted by the UPF1-CBP80 interaction. PMID: 20691628
46. The authors propose that the bipartite mode of UPF2 binding to UPF1 brings the ribosome and the exon junction complex in close proximity by forming a tight complex after an initial weak encounter with either element. PMID: 19556969
47. inhibition of rent1/hUpf1 expression abrogated both nonsense-mediated mRNA decay and nonsense-mediated altered splicing of nonsense T cell receptor beta transcripts; rent1/hUpf1 enters the nucleus where it may influence early events in mRNA biogenesis PMID: 12228722
48. Dcp1a and Dcp2 interact with the nonsense-mediated decay factor Upf1 PMID: 12417715
49. Data show that phosphorylated hUPF1, the human ortholog of UPF1/SMG-2, forms a complex with human orthologs of the Caenorhabditis elegans proteins SMG-5 and SMG-7. PMID: 14636577
50. regulated degradation of histone mRNAs requires Upf1, a key regulator of the nonsense-mediated decay pathway, and ataxia telangiectasia and Rad3 related, a key regulator of the DNA damage checkpoint pathway activated during replication stress PMID: 16086026

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HGNC: 9962

OMIM: 601430

KEGG: hsa:5976

STRING: 9606.ENSP00000262803

UniGene: Hs.515266