WebMay 29, 2010 · Compared with WT, GT tMEFs showed reduced levels of an anti–phospho-S/T-Q antibody–detected band comigrating with Upf1 in both the lysate and anti-Upf1 immunoprecipitate (Fig. 1E). This result confirms that disruption of Smg1 expression in Smg1 gt/gt embryos reduces the phosphorylation levels of Upf1. WebSep 29, 2011 · SMG-1-mediated Upf1 phosphorylation takes place in the decay inducing complex (DECID), which contains a ribosome, release factors, Upf1, SMG-1, an exon junction complex (EJC) and a PTC-mRNA....
Characterization of Phosphorylation- and RNA-Dependent UPF1 …
WebJul 3, 2024 · Phospho-UPF1 (p-UPF1) is a prominent marker of NMD substrates as its presence commits an RNA to degradation 17, 18, 41, 42. To identify NMD substrates in PEL cells we performed fRIP-coupled to... WebFeb 21, 2006 · A fraction of hyperphosphorylated UPF1 associates with chromatin of unperturbed cells, and chromatin association increases in S phase and upon γ irradiation. ATR phosphorylates UPF1 both in vitro and in vivo, and shRNA-mediated downregulation of ATR diminished the association of UPF1 with chromatin, although it did not affect NMD. green\u0027s towing buckley wa
Results for IP - ABclonal
WebSep 1, 2006 · Since the phosphorylation of Upf1 by SMG-1 is a critical rate-limiting step for NMD, the decrease in phospho-Upf1 suggested that cellular NMD is suppressed. FIG. 2 Knockdown of Upf1 or SMG-1 by synthetic siRNA inhibits NMD, resulting in the accumulation of PTC-containing COL α2 (VI) mRNA and collagen VI protein. (A) Synthetic siRNA … WebHuman up-frameshift 1 (UPF1) is an ATP-dependent RNA helicase and phosphoprotein implicated in several biological processes but is best known for its key function in nonsense-mediated mRNA decay (NMD). Here we employed a combination of stable isotope labeling of amino acids in cell culture experiments to determine by quantitative proteomics UPF1 … fnf heartbreak mod online