2020
Regulation of eIF2α by RNF4 Promotes Melanoma Tumorigenesis and Therapy Resistance
Avitan-Hersh E, Feng Y, Oknin Vaisman A, Abu Ahmad Y, Zohar Y, Zhang T, Lee JS, Lazar I, Sheikh Khalil S, Feiler Y, Kluger H, Kahana C, Brown K, Ruppin E, Ronai ZA, Orian A. Regulation of eIF2α by RNF4 Promotes Melanoma Tumorigenesis and Therapy Resistance. Journal Of Investigative Dermatology 2020, 140: 2466-2477. PMID: 32360601, PMCID: PMC8081033, DOI: 10.1016/j.jid.2020.04.008.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarcinogenesisCell Line, TumorDrug Resistance, NeoplasmEukaryotic Initiation Factor-2FemaleGene Expression Regulation, NeoplasticHumansKaplan-Meier EstimateMelanomaMiceMitogen-Activated Protein KinasesNuclear ProteinsOncogenesPrognosisProtein Kinase InhibitorsProtein StabilityProto-Oncogene Proteins B-rafSkinSkin NeoplasmsTranscription FactorsUbiquitinationXenograft Model Antitumor AssaysConceptsUbiquitin ligase RNF4Elongation factor alphaPatient-derived melanomasIntegrated stress responseTherapy resistancePositive feed-forward loopTranscription factor 4Feed-forward loopOncogenic translationMolecular machineryMajor clinical challengePhosphorylated eIF2αHallmark of melanomaXenograft mouse modelHomologous proteinsStress responseMAPK inhibitorProtein stabilizationMelanoma tumorigenesisTumorigenic propertiesPoor prognosisFactor alphaClinical challengeMouse modelRNF4
2007
Increased Expression of the E3 Ubiquitin Ligase RNF5 Is Associated with Decreased Survival in Breast Cancer
Bromberg KD, Kluger HM, Delaunay A, Abbas S, DiVito KA, Krajewski S, Ronai Z. Increased Expression of the E3 Ubiquitin Ligase RNF5 Is Associated with Decreased Survival in Breast Cancer. Cancer Research 2007, 67: 8172-8179. PMID: 17804730, PMCID: PMC2962863, DOI: 10.1158/0008-5472.can-07-0045.Peer-Reviewed Original ResearchConceptsRNF5 expressionBreast cancer cellsCell linesUbiquitin E3 ligasesE3 ubiquitin ligaseMutant breast cancer cellsEndoplasmic reticulum stress responseP53-dependent functionsTumor-derived cell linesCancer cellsImportant regulatory roleReticulum stress responseP53-mutant breast cancer cellsMetastatic melanoma specimensActin cytoskeletal alterationsActin cytoskeletonE3 ligasesHuman breast cancer specimensSelective ubiquitinationUbiquitin ligaseNovel regulatorPaclitaxel-induced apoptosisRelated cell linesBreast cancer progressionStress response