2017
Hematopoietic defects in response to reduced Arhgap21
Xavier-Ferrucio J, Ricon L, Vieira K, Longhini AL, Lazarini M, Bigarella CL, Franchi G, Krause DS, Saad STO. Hematopoietic defects in response to reduced Arhgap21. Stem Cell Research 2017, 26: 17-27. PMID: 29212046, PMCID: PMC6084430, DOI: 10.1016/j.scr.2017.11.014.Peer-Reviewed Original ResearchConceptsErythroid commitmentProgenitor cellsSerial bone marrow transplantationHuman primary cellsProtein familyRho GTPasesHematopoietic progenitor cellsPhenotypic HSCsRho GTPaseHematopoietic defectsRhoC activityNegative regulatorARHGAP21Hematopoietic stemHematopoietic cellsMyeloid progenitorsProgenitor coloniesPrimary cellsBone marrow cellsCancer cellsFunctional aspectsHaploinsufficient miceMarrow cellsCellsGTPases
2012
Role of RhoA-Specific Guanine Exchange Factors in Regulation of Endomitosis in Megakaryocytes
Gao Y, Smith E, Ker E, Campbell P, Cheng EC, Zou S, Lin S, Wang L, Halene S, Krause DS. Role of RhoA-Specific Guanine Exchange Factors in Regulation of Endomitosis in Megakaryocytes. Developmental Cell 2012, 22: 573-584. PMID: 22387001, PMCID: PMC3306542, DOI: 10.1016/j.devcel.2011.12.019.Peer-Reviewed Original ResearchConceptsGEF-H1Efficient platelet productionExchange factor GEF-H1Guanine exchange factorGEF-H1 knockdownDevelopment of aneuploidyGEF-H1 expressionMK polyploidizationExchange factorPloidy defectsAberrant mitosisDevelopmental processesExogenous expressionPolyploidizationRhoA activationEndomitotic cyclePrimary cellsUnknown mechanismMechanistic insightsECT2EndomitosisAneuploid cancersPlatelet productionMegakaryocytesDownregulation