2024
Future directions in myelodysplastic syndromes/neoplasms and acute myeloid leukaemia classification: from blast counts to biology
Della Porta M, Bewersdorf J, Wang Y, Hasserjian R. Future directions in myelodysplastic syndromes/neoplasms and acute myeloid leukaemia classification: from blast counts to biology. Histopathology 2024, 86: 158-170. PMID: 39450427, DOI: 10.1111/his.15353.Peer-Reviewed Original ResearchAcute myeloid leukemiaIntegration of genomic dataGenomic informationGenomic dataPresence of SF3B1 mutationsDisease entityMethylation profilesAML classificationRecurrent genetic abnormalitiesHaematopoietic cell proliferationPercentage of myeloblastsGene expressionGenetic featuresMultiple diagnostic modalitiesPatient risk stratificationSF3B1 mutationsBlast countDisease pathogenesisGenetic abnormalitiesCell proliferationTP53 abnormalitiesDiagnostic modalitiesMyeloid leukemiaBone marrowPatient cohort
2023
Data-Driven Harmonization of 2022 Who and ICC Classifications of Myelodysplastic Syndromes/Neoplasms (MDS): A Study By the International Consortium for MDS (icMDS)
Lanino L, Ball S, Bewersdorf J, Marchetti M, Maggioni G, Travaglino E, Al Ali N, Fenaux P, Platzbecker U, Santini V, Diez-Campelo M, Singh A, Jain A, Aguirre L, Tinsley-Vance S, Schwabkey Z, Chan O, Xie Z, Brunner A, Kuykendall A, Bennett J, Buckstein R, Bejar R, Carraway H, DeZern A, Griffiths E, Halene S, Hasserjian R, Lancet J, List A, Loghavi S, Odenike O, Padron E, Patnaik M, Roboz G, Stahl M, Sekeres M, Steensma D, Savona M, Taylor J, Xu M, Sweet K, Sallman D, Nimer S, Hourigan C, Wei A, Sauta E, D'Amico S, Asti G, Castellani G, Borate U, Sanz G, Efficace F, Gore S, Kim T, Daver N, Garcia-Manero G, Rozman M, Orfao A, Wang S, Foucar M, Germing U, Haferlach T, Scheinberg P, Miyazaki Y, Iastrebner M, Kulasekararaj A, Cluzeau T, Kordasti S, van de Loosdrecht A, Ades L, Zeidan A, Komrokji R, Della Porta M. Data-Driven Harmonization of 2022 Who and ICC Classifications of Myelodysplastic Syndromes/Neoplasms (MDS): A Study By the International Consortium for MDS (icMDS). Blood 2023, 142: 998. DOI: 10.1182/blood-2023-186580.Peer-Reviewed Original ResearchBlast countMost patientsTP53 mutationsTET2 mutationsChromosomal abnormalitiesMore TP53 mutationsBone marrow blastsGene mutationsSF3B1 mutationsClinical decision-making processHigh-risk mutationsMarrow blastsMultilineage dysplasiaPatient characteristicsAML patientsClinical entityInternational cohortSHAP analysisMDS casesPatientsClinical relevanceCytogenetic abnormalitiesClinical settingComplex karyotypeU2AF1 mutations“Double‐hit” ineffective erythropoiesis—concurrent β‐thalassemia with α‐gene triplication and myelodysplastic syndrome with SF3B1 mutation
Chen P, Gorshein E, Tormey C, Siddon A, Perincheri S. “Double‐hit” ineffective erythropoiesis—concurrent β‐thalassemia with α‐gene triplication and myelodysplastic syndrome with SF3B1 mutation. American Journal Of Hematology 2023, 98: 984-988. PMID: 36688500, DOI: 10.1002/ajh.26856.Peer-Reviewed Educational Materials
2022
Targeting the EIF2AK1 signaling pathway rescues red blood cell production in SF3B1-mutant myelodysplastic syndromes with ringed sideroblasts
Adema V, Ma F, Kanagal-Shamanna R, Thongon N, Montalban-Bravo G, Yang H, Peslak SA, Wang F, Acha P, Sole F, Lockyer P, Cassari M, Maciejewski JP, Visconte V, Ganan-Gomez I, Song Y, Bueso-Ramos C, Pellegrini M, Tan TM, Bejar R, Carew JS, Halene S, Santini V, Al-Atrash G, Clise-Dwyer K, Garcia-Manero G, Blobel GA, Colla S. Targeting the EIF2AK1 signaling pathway rescues red blood cell production in SF3B1-mutant myelodysplastic syndromes with ringed sideroblasts. Blood Cancer Discovery 2022, 3: 554-567. PMID: 35926182, PMCID: PMC9894566, DOI: 10.1158/2643-3230.bcd-21-0220.Peer-Reviewed Original ResearchConceptsMyelodysplastic syndromeRed blood cell productionSF3B1-mutant myelodysplastic syndromesMDS-RSRinged sideroblastsBlood cell productionSF3B1 mutationsDevelopment of therapiesCell productionRed blood cellsRed blood cell maturationHematologic responseSignificant anemiaTransfusion dependencyIron overloadMDS subtypesElderly populationSide effectsBone marrowCell maturationIssue featurePatientsBlood cellsErythroid precursorsBlood cell maturationAberrant EVI1 splicing contributes to EVI1-rearranged leukemia
Tanaka A, Nakano T, Nomura M, Yamazaki H, Bewersdorf J, Mulet-Lazaro R, Hogg S, Liu B, Penson A, Yokoyama A, Zang W, Havermans M, Koizumi M, Hayashi Y, Cho H, Kanai A, Lee S, Xiao M, Koike Y, Zhang Y, Fukumoto M, Aoyama Y, Konuma T, Kunimoto H, Inaba T, Nakajima H, Honda H, Kawamoto H, Delwel R, Abdel-Wahab O, Inoue D. Aberrant EVI1 splicing contributes to EVI1-rearranged leukemia. Blood 2022, 140: 875-888. PMID: 35709354, PMCID: PMC9412007, DOI: 10.1182/blood.2021015325.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaMyeloid leukemiaEVI1 isoformsSF3B1 mutationsAberrant 3' splice sitesSelf-renewal of hematopoietic stem cellsSplicing factor SF3B1Zinc finger domainExonic splicing enhancerIn-frame insertionCryptic branch pointPathogenesis of myeloid leukemiaPatient-derived cell linesHematopoietic stem cellsRNA-splicingSplicing enhancerSplice siteEpigenomic analysesMutant SF3B1Promoter usageExon 13Leukemic transformationSplice variantsGenomic alterationsUpregulated transcriptsSynthetic introns enable splicing factor mutation-dependent targeting of cancer cells
North K, Benbarche S, Liu B, Pangallo J, Chen S, Stahl M, Bewersdorf J, Stanley R, Erickson C, Cho H, Pineda J, Thomas J, Polaski J, Belleville A, Gabel A, Udy D, Humbert O, Kiem H, Abdel-Wahab O, Bradley R. Synthetic introns enable splicing factor mutation-dependent targeting of cancer cells. Nature Biotechnology 2022, 40: 1103-1113. PMID: 35241838, PMCID: PMC9288984, DOI: 10.1038/s41587-022-01224-2.Peer-Reviewed Original ResearchConceptsBreast cancerExpression of herpes simplex virus thymidine kinaseHerpes simplex virus thymidine kinaseCancer cellsPancreatic cancer cells in vitroWild-type cellsCancer cells in vitroCancer gene therapyTargeting of cancer cellsTumor-specific changesUveal melanoma cellsTreatment in vivoSynthetic intronChange-of-function mutationsCells in vitroUveal melanomaSF3B1 mutationsHSV-TKGene therapyTumor cellsIsogenic wild-type cellsMelanoma cellsRNA splicing factorsCancerHost survival
2019
SF3B1 Mutations Induce Oncogenic IRAK4 Isoforms and Activate Targetable Innate Immune Pathways in MDS and AML
Choudhary G, Smith M, Pellagatti A, Bhagat T, Gordon S, Pandey S, Shah N, Aluri S, Booher R, Ramachandra M, Samson M, Pradhan K, Bowman T, Pillai M, Guha C, Wickrema A, Will B, Shastri A, Steidl U, Boultwood J, Starczynowski D, Verma A. SF3B1 Mutations Induce Oncogenic IRAK4 Isoforms and Activate Targetable Innate Immune Pathways in MDS and AML. Blood 2019, 134: 4224. DOI: 10.1182/blood-2019-124458.Peer-Reviewed Original ResearchToll-like receptorsAML cellsSF3B1 mutationsMDS/AML cellsInterleukin-1 receptor-associated kinaseMDS/AMLNF-kB activityInnate immune pathwaysInnate immune signalingNormal cellsDownstream oncogenic pathwaysLeukemic burdenCytokine releaseIRAK4 expressionNF-kBAML samplesImmune pathwaysSmall molecule inhibitorsNovartis PharmaceuticalsLeukemic cellsExon 6Mutation showTRAF6 activationAMLPharmacologic inhibition
2013
Expression Of Mutant Spliceosomal Protein SF3B1 Results In Dysregulated Hematopoietic Maturation
Minella A, Ramirez O, Xu Y, Murthy T, Yang X, Pillai M. Expression Of Mutant Spliceosomal Protein SF3B1 Results In Dysregulated Hematopoietic Maturation. Blood 2013, 122: 2773. DOI: 10.1182/blood.v122.21.2773.2773.Peer-Reviewed Original ResearchSplicing of RNAErythroid maturationErythroid differentiationRNA splicing factorsMurine progenitor cellsMyelodysplastic syndromeWhole-genome sequencingSpliceosomal proteinsSplicing factorsColony forming assaysMutant SF3B1SF3B1 mutationsHematopoietic maturationCDNA constructsHuman cord bloodComplementary experimental approachesAddition of erythropoietinHematopoietic precursor cellsGenome sequencingMDS patientsMolecular mechanismsPosition 700Accessory receptorsHematopoietic progenitorsNormal hematopoiesis
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