Featured Publications
Truncating PREX2 mutations activate its GEF activity and alter gene expression regulation in NRAS-mutant melanoma
Lissanu Deribe Y, Shi Y, Rai K, Nezi L, Amin S, Wu C, Akdemir K, Mahdavi M, Peng Q, Chang Q, Hornigold K, Arold S, Welch H, Garraway L, Chin L. Truncating PREX2 mutations activate its GEF activity and alter gene expression regulation in NRAS-mutant melanoma. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: e1296-e1305. PMID: 26884185, PMCID: PMC4780599, DOI: 10.1073/pnas.1513801113.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsGuanine Nucleotide Exchange FactorsHumansMelanoma, ExperimentalMiceMutationPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktSignal TransductionConceptsPREX2 mutationsCross-species gene expression analysisGuanine nucleotide exchange factor activityNucleotide exchange factor activityGene expression regulationPI3K/PTEN/Akt pathwayExchange factor activityMelanoma developmentPTEN/AKT pathwayCell cycle regulatorsGene expression analysisExpression regulationGEF activityCytoskeleton organizationCDKN1C geneRegulatory regionsExpression analysisGene expressionCycle regulatorsDNA hypomethylationCell cycleChromosome 11Tumor suppressorBiological pathwaysMechanistic basis
2011
Significant Biological Role of Sp1 Transactivation in Multiple Myeloma
Fulciniti M, Amin S, Nanjappa P, Rodig S, Prabhala R, Li C, Minvielle S, Tai Y, Tassone P, Avet-Loiseau H, Hideshima T, Anderson K, Munshi N. Significant Biological Role of Sp1 Transactivation in Multiple Myeloma. Clinical Cancer Research 2011, 17: 6500-6509. PMID: 21856768, PMCID: PMC4318245, DOI: 10.1158/1078-0432.ccr-11-1036.Peer-Reviewed Original ResearchConceptsBone marrow stromal cellsSp1 activitySp1 knockdownTranscription factor specificity protein 1Caspase-9-dependent apoptosisCritical cell cycleSp1 DNA bindingSp1-responsive promotersSpecificity protein 1Cell growthFirefly luciferase reporter geneImportant transcription factorImportant regulatory roleLuciferase reporter geneSignificant biological roleApoptosis-related genesSp1 transactivationShort hairpin RNASp1 DNACellular processesTranscription factorsPromoter elementsMarrow stromal cellsReporter geneMM cells