2019
Protein kinase Cα–mediated phosphorylation of Twist1 at Ser-144 prevents Twist1 ubiquitination and stabilizes it
Tedja R, Roberts CM, Alvero AB, Cardenas C, Yang-Hartwich Y, Spadinger S, Pitruzzello M, Yin G, Glackin CA, Mor G. Protein kinase Cα–mediated phosphorylation of Twist1 at Ser-144 prevents Twist1 ubiquitination and stabilizes it. Journal Of Biological Chemistry 2019, 294: 5082-5093. PMID: 30733340, PMCID: PMC6442047, DOI: 10.1074/jbc.ra118.005921.Peer-Reviewed Original ResearchConceptsProtein kinase CPhosphorylation sitesHelix transcription factorPhosphorylation of Twist1Candidate phosphorylation sitesProtein kinase CαCombination of immunoblottingUbiquitination eventsTwist1 phosphorylationTranscription factorsEmbryonic developmentKnockout experimentsSer-144CRISPR/Twist1 proteinKinase CInvasive phenotypeAdult cellsPhosphorylationTwist1UbiquitinationCancer developmentCell linesTwist1 expressionPKCαp53-Pirh2 Complex Promotes Twist1 Degradation and Inhibits EMT
Yang-Hartwich Y, Tedja R, Roberts C, Goodner-Bingham J, Cardenas C, Gurea M, Sumi NJ, Alvero AB, Glackin CA, Mor G. p53-Pirh2 Complex Promotes Twist1 Degradation and Inhibits EMT. Molecular Cancer Research 2019, 17: molcanres.0238.2018. PMID: 30131448, PMCID: PMC6800184, DOI: 10.1158/1541-7786.mcr-18-0238.Peer-Reviewed Original ResearchConceptsEpithelial-mesenchymal transitionTwist1 degradationInvasive cancer phenotypeEMT-inducing transcription factorsAbility of p53Tumor suppressor geneTumor cell invasivenessWild-type p53Proteasomal degradationTranscription factorsTwist1 proteinSuppressor geneEpithelial phenotypeInhibits epithelial-mesenchymal transitionCancer phenotypeMolecular levelCell invasivenessCancer progressionCancer metastasisWt p53Twist1P53Metastatic processTumor progressionNew insights
2013
Phenotypic modifications in ovarian cancer stem cells following Paclitaxel treatment
Craveiro V, Yang-Hartwich Y, Holmberg JC, Joo WD, Sumi NJ, Pizzonia J, Griffin B, Gill SK, Silasi DA, Azodi M, Rutherford T, Alvero AB, Mor G. Phenotypic modifications in ovarian cancer stem cells following Paclitaxel treatment. Cancer Medicine 2013, 2: 751-762. PMID: 24403249, PMCID: PMC3892380, DOI: 10.1002/cam4.115.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic Agents, PhytogenicCarcinoma, Ovarian EpithelialDrug Resistance, NeoplasmFemaleHEK293 CellsHumansHyaluronan ReceptorsMiceMice, NudeMyeloid Differentiation Factor 88Neoplasms, Glandular and EpithelialNeoplastic Stem CellsOvarian NeoplasmsPaclitaxelPhenotypeRecurrenceSnail Family Transcription FactorsTranscription FactorsTumor BurdenXenograft Model Antitumor AssaysConceptsEpithelial ovarian cancerRecurrent epithelial ovarian cancerOvarian cancer stem cellsEOC stem cellsCancer stem cellsQuantitative polymerase chain reactionRecurrent diseaseOvarian cancerEOC cellsVivo ovarian cancer modelsStem cellsDoses of paclitaxelLethal gynecologic malignancyOvarian cancer modelProcess of recurrenceWestern blot analysisMaintenance therapyGynecologic malignanciesPrimary diseaseAggressive diseaseEOC patientsPrimary tumorPolymerase chain reactionAggressive phenotypePaclitaxel treatment