2024
Yeast 26S proteasome nuclear import is coupled to nucleus-specific degradation of the karyopherin adaptor protein Sts1
Breckel C, Johnson Z, Hickey C, Hochstrasser M. Yeast 26S proteasome nuclear import is coupled to nucleus-specific degradation of the karyopherin adaptor protein Sts1. Scientific Reports 2024, 14: 2048. PMID: 38267508, PMCID: PMC10808114, DOI: 10.1038/s41598-024-52352-5.Peer-Reviewed Original ResearchConceptsProteasome storage granulesNuclear importUbiquitin-independent proteasomal degradationProteasome degradation in vitroYeast Saccharomyces cerevisiaeProlonged glucose starvationNuclear import factorsUbiquitin-proteasome systemProteasome interactionGlucose starvationKaryopherin proteinsProteasomal degradationNuclear transportCellular homeostasisDegradation in vivoSTS1KaryopherinProtein degradationProteasomeDegradation in vitroGlucose refeedingStorage granulesProteinEukaryotesRanGTP
2023
Alternative glucose uptake mediated by β-catenin/RSK1 axis under stress stimuli in mammalian cells
Wang C, Lin R, Qi X, Xu Q, Sun X, Zhao Y, Jiang T, Jiang J, Sun Y, Deng Y, Wen J. Alternative glucose uptake mediated by β-catenin/RSK1 axis under stress stimuli in mammalian cells. Biochemical Pharmacology 2023, 214: 115645. PMID: 37321415, DOI: 10.1016/j.bcp.2023.115645.Peer-Reviewed Original ResearchConceptsPhosphorylation of TBC1D4Glucose uptakeGlucose transportActivation of RSK1Stress conditionsMechanism of glucose uptakeTranslocation of GLUT4Translocation of glucose transportersGlucose transporter translocationStress stimuliIncreased glucose uptakeB-cateninGlucose starvationEfficiency of glucose uptakeProtein complexesMammalian cellsScaffold proteinStress signalsCellular energy utilizationFamily 4TBC1D4Kinase activityRSK1Cellular adaptationCellular membranes
2015
Reversible induction of translational isoforms of p53 in glucose deprivation
Khan D, Katoch A, Das A, Sharathchandra A, Lal R, Roy P, Das S, Chattopadhyay S, Das S. Reversible induction of translational isoforms of p53 in glucose deprivation. Cell Death & Differentiation 2015, 22: 1203-1218. PMID: 25721046, PMCID: PMC4572868, DOI: 10.1038/cdd.2014.220.Peer-Reviewed Original ResearchConceptsIRES activityP53 isoformsMaster transcription regulatorTumor suppressor protein p53Bicistronic reporter constructCritical tumor suppressorSuppressor protein p53Glucose deprivationFull-length p53P53 IRES activityP53 mRNACell cycle arrestTranscription regulatorsNutrient starvationTranslational regulationEndoplasmic reticulum stressDifferent stress conditionsNuclear proteinsInternal ribosome entry site (IRES) structureGlucose starvationTarget genesCellular pathwaysStarvation-induced increaseReporter constructsTumor suppressor
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