2019
Proapoptotic protein BIM as a novel prognostic marker in mantle cell lymphoma
Wang JD, Katz SG, Morgan EA, Yang DT, Pan X, Xu ML. Proapoptotic protein BIM as a novel prognostic marker in mantle cell lymphoma. Human Pathology 2019, 93: 54-64. PMID: 31425695, PMCID: PMC7038910, DOI: 10.1016/j.humpath.2019.08.008.Peer-Reviewed Original ResearchConceptsMantle cell lymphomaCell lymphomaAnn Arbor stage IIINovel independent prognostic factorAggressive B-cell lymphomasHigh Bim expressionAverage patient ageBim expressionIndependent prognostic factorLarge academic medical centerKi-67 indexNovel prognostic markerB-cell lymphomaAcademic medical centerCyclin D1 overexpressionHuman mantle cell lymphomaMCL cohortMIPI scoreProgressive diseaseComplete responseOverall survivalPatient agePrognostic factorsTumor cell survivalFemale ratioBOK promotes erythropoiesis in a mouse model of myelodysplastic syndrome
Kang SH, Perales O, Michaud M, Katz SG. BOK promotes erythropoiesis in a mouse model of myelodysplastic syndrome. Annals Of Hematology 2019, 98: 2089-2096. PMID: 31203423, PMCID: PMC6702064, DOI: 10.1007/s00277-019-03726-7.Peer-Reviewed Original ResearchConceptsUnfolded protein responseER stressPro-apoptotic membersBcl-2 familyNHD13 miceRT-qPCR analysisInduction of apoptosisProgenitor stem cellsHematopoietic progenitor cell assaysProtein responseDownstream effectorsGene knockoutMyelodysplastic syndromeCell stressProgenitor cell assaysEndoplasmic reticulumLower mean cell hemoglobin concentrationErythroid progenitorsNUP98-HOXD13 transgenic miceClonal hematopoietic stem cell disordersStem cellsSimilar overall survivalAcute myeloid leukemiaHematopoietic stem cell disordersMean cell hemoglobin concentration
2018
Methods to Probe Calcium Regulation by BCL-2 Family Members
Carpio MA, Katz SG. Methods to Probe Calcium Regulation by BCL-2 Family Members. Methods In Molecular Biology 2018, 1877: 173-183. PMID: 30536006, DOI: 10.1007/978-1-4939-8861-7_12.Peer-Reviewed Original ResearchConceptsMitochondrial outer membrane permeabilizationBcl-2 family membersEndoplasmic reticulumOuter membrane permeabilizationProcess of apoptosisSuch important functionsMembrane permeabilizationDirect regulationFamily membersAdditional roleImportant functionsCalcium regulationApoptosisRegulationRelease of calciumMitochondriaPermeabilizationBiologyCytosolMembersReticulum
2017
Non-apoptotic functions of BCL-2 family proteins
Gross A, Katz SG. Non-apoptotic functions of BCL-2 family proteins. Cell Death & Differentiation 2017, 24: 1348-1358. PMID: 28234359, PMCID: PMC5520452, DOI: 10.1038/cdd.2017.22.Peer-Reviewed Original ResearchConceptsNon-apoptotic rolesBcl-2 family proteinsFamily proteinsApoptotic roleNon-apoptotic functionsWhole-cell metabolismCellular survival pathwaysMitochondrial physiologyCellular survivalSurvival pathwaysMajor regulatorNuclear processesApoptosis processProteinMechanism of actionPhysiologyImportant cluesRoleAutophagyRegulatorFascinating fieldRegulationPathwayMechanismMetabolism
2015
BCL-2 family member BOK promotes apoptosis in response to endoplasmic reticulum stress
Carpio MA, Michaud M, Zhou W, Fisher JK, Walensky LD, Katz SG. BCL-2 family member BOK promotes apoptosis in response to endoplasmic reticulum stress. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 7201-7206. PMID: 26015568, PMCID: PMC4466744, DOI: 10.1073/pnas.1421063112.Peer-Reviewed Original ResearchConceptsB-cell lymphoma 2 ovarian killerApoptotic defectsMultidomain proapoptotic proteins BaxApoptotic responseStress stimuliER stressBcl-2 family proteinsER stress agentsUnfolded protein responseMouse embryonic fibroblastsDefective apoptotic responseMitochondrial apoptotic pathwayProapoptotic protein BaxPredominant subcellular localizationThapsigargin-induced apoptosisEndoplasmic reticulum stressFamily proteinsDeath responseSubcellular localizationEmbryonic fibroblastsHigh homologyProtein responseApoptotic pathwayOvert phenotypeProtein Bax
2014
Distinct BimBH3 (BimSAHB) Stapled Peptides for Structural and Cellular Studies
Bird GH, Gavathiotis E, LaBelle JL, Katz SG, Walensky LD. Distinct BimBH3 (BimSAHB) Stapled Peptides for Structural and Cellular Studies. ACS Chemical Biology 2014, 9: 831-837. PMID: 24358963, PMCID: PMC4131438, DOI: 10.1021/cb4003305.Peer-Reviewed Original Research
2012
A stapled BIM peptide overcomes apoptotic resistance in hematologic cancers
LaBelle JL, Katz SG, Bird GH, Gavathiotis E, Stewart ML, Lawrence C, Fisher JK, Godes M, Pitter K, Kung AL, Walensky LD. A stapled BIM peptide overcomes apoptotic resistance in hematologic cancers. Journal Of Clinical Investigation 2012, 122: 2018-2031. PMID: 22622039, PMCID: PMC3366394, DOI: 10.1172/jci46231.Peer-Reviewed Original ResearchConceptsBcl-2 family proteinsCell deathFamily proteinsPro-apoptotic Bcl-2 family proteinsBcl-2 protein familyBcl-2-interacting mediatorBcl-2 family pathwayHydrocarbon-stapled peptidesCell death mechanismsCancer cellsCellular lifeHematologic cancer cellsProtein familyDeath domainBH3 helixBim BH3Bim peptidesDeath mechanismsApoptotic blockadesApoptotic resistanceFamily pathwaySurvival pathwaysAntiapoptotic proteinsProapoptotic activityHuman AML xenograft model
2008
BAX activation is initiated at a novel interaction site
Gavathiotis E, Suzuki M, Davis ML, Pitter K, Bird GH, Katz SG, Tu HC, Kim H, Cheng E, Tjandra N, Walensky LD. BAX activation is initiated at a novel interaction site. Nature 2008, 455: 1076-1081. PMID: 18948948, PMCID: PMC2597110, DOI: 10.1038/nature07396.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsApoptosisApoptosis Regulatory ProteinsBcl-2-Associated X ProteinBcl-2-Like Protein 11BH3 Interacting Domain Death Agonist ProteinCell LineGene Expression RegulationHumansMembrane ProteinsMiceMutagenesis, Site-DirectedMutationNuclear Magnetic Resonance, BiomolecularProtein BindingProto-Oncogene ProteinsSequence AlignmentConceptsAnti-apoptotic proteinsInteraction sitesBax activationBax-mediated cell deathBCL-2 domainsCell deathBcl-2 familyNovel interaction sitePro-apoptotic proteinsPoint mutagenesisMitochondrial apoptosisBax interactionStress stimuliΑ-helixProteinNew targetsBaxTherapeutic modulationDirect activationActivation siteApoptosisActivationFunctional activitySitesMutagenesis