Hif sumo
Web19 de out. de 2007 · Hypoxia induces SUMO-1 expression (Shao et al., 2004), and sumoylation of HIF-1α leads to its stabilization (Bae et al., 2004). Given that RSUME is induced by hypoxia ( Figures 2 B and 2C) and plays a role in sumoylation and that sumoylation of some proteins with high molecular weight is increased by hypoxia ( … Web8 de fev. de 2008 · Introduction. The post-translational modification of proteins with the ubiquitin-like SUMO modifier has an important regulatory function in many cellular processes, including DNA repair, cell-cycle progression and transcription (Muller et al, 2004; Hay, 2005).Human cells express three forms of SUMO—SUMO1, SUMO2 and SUMO3.
Hif sumo
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WebHIF-1α was first immunoprecipitated ... Although it is reported that HIF-1α can be regulated by Sentrin/SUMO-specific protease 1 (SENP1), the effects of SENP1 on HIF-1α is still … Web5 de abr. de 2001 · Figure 1 Regulation of the interaction between pVHL and HIF-α subunits by oxygen and iron availability. (A) In vivo coimmunoprecipitation assay.RCC4 cells, which lack pVHL (lane 1), and a stable transfectant expressing HA-tagged pVHL (RCC4/VHL.HA, lanes 2 to 4) were labeled in the presence of the proteasomal inhibitor MG132, either in …
Web3 de jan. de 2024 · Collectively, our results reveal a novel SENP1–USP28–HIF-1α positive feedback loop to maximize the concentration of HIF-1a protein and amplify its ... Stalla GK, Holsboer F, Arzt E. RSUME, a small RWD-containing protein, enhances SUMO conjugation and stabilizes HIF-1alpha during hypoxia. Cell. 2007;131:309–23. Article ... Web26 de abr. de 2024 · The levels of protein SUMOylation, hypoxia‑inducible factor (HIF)‑1α and vascular endothelial growth factor (VEGF) were determined by western blot analysis. …
Web2 de nov. de 2007 · SUMOylation is a dynamic process, catalyzed by SUMO-specific ligases and reversed by Sentrin/SUMO-specific proteases ... RACK1 competes with HSP90 for binding to HIF-1alpha and is required for O(2)-independent and HSP90 inhibitor-induced degradation of HIF-1alpha. Mol. Cell, 25 (2007), pp. 207-217. Web13 de jan. de 2014 · Cbx4 is a polycomb group protein that is also a SUMO E3 ligase, but its potential roles in tumorigenesis remain to be explored. Here, we report that Cbx4, but not other members of the Cbx family, enhances hypoxia-induced vascular endothelial growth factor (VEGF) expression and angiogenesis in hepatocellular carcinoma (HCC) cells …
Web8 de jan. de 2016 · Abstract. SUMOylation is a ubiquitin-related transient posttranslational modification pathway catalyzing the conjugation of small ubiquitin-like modifier (SUMO) …
WebHypoxia-inducible factor-1 (HIF-1) is a key heterodimeric transcription factor for the cellular adaptive response to hypoxia, a common feature of the microenvironment in solid … chegg plusWeb30 de out. de 2024 · Post-translational modification by SUMO (small ubiquitin-like modifier) proteins has been shown to regulate a variety of functions of proteins, including protein stability, chromatin organization, transcription, DNA repair, subcellular localization, protein–protein interactions, and protein homeostasis. SENP (sentrin/SUMO-specific … fleming\u0027s feed \u0026 hardwareWeb2 de nov. de 2007 · SUMOylation is a dynamic process, catalyzed by SUMO-specific ligases and reversed by Sentrin/SUMO-specific proteases (SENPs). The physiologic … fleming\u0027s fine jewelry cincinnati ohWeb14 de mai. de 2015 · SUMO-1, HIF-1α and VEGF levels in rat pulmonary arteries following exposure to hypoxia. The mRNA levels of SUMO-1, HIF-1α and VEGF in pulmonary arteries from control and hypoxia-treated rats were assessed using in situ hybridization and RT-PCR (). SUMO-1 mRNA levels were extremely low in the control group (), increased by day 3 … chegg plan pricesWebM1/M2 macrophage polarization plays a pivotal role in the development of acute lung injury (ALI). The hypoxia-inducible factor-1α/pyruvate kinase M2 (HIF-1α/PKM2) axis, which functions upstream of macrophage polarization, has been implicated in this process. The function of HIF-1α is known to be tig … fleming\u0027s first choiceWeb18 de jan. de 2008 · HIF is able to direct transcription from either of two transactivation domains, ... enhances SUMO conjugation and stabilizes HIF-1alpha during hypoxia. Cell 2007; 131: 309–323. fleming\u0027s feed store preston ctWeb1 de abr. de 2016 · We next examined the functional consequence of HIF1A SUMOylation by overexpressing SUMO2/3 in JEG3 cells cultured at 3% and 21% O 2 in the presence … chegg portait of a planet edition 7