2023
SATB1 Chromatin Loops Regulate Megakaryocyte/Erythroid Progenitor Expansion by Facilitating HSP70 and GATA1 Induction
Wilkes M, Chae H, Scanlon V, Cepika A, Wentworth E, Saxena M, Eskin A, Chen Z, Glader B, Roncarolo M, Nelson S, Sakamoto K. SATB1 Chromatin Loops Regulate Megakaryocyte/Erythroid Progenitor Expansion by Facilitating HSP70 and GATA1 Induction. Stem Cells 2023, 41: 560-569. PMID: 36987811, PMCID: PMC10267687, DOI: 10.1093/stmcls/sxad025.Peer-Reviewed Original ResearchConceptsMegakaryocyte/erythroid progenitorsSpecial AT-rich sequence-binding protein 1Diamond-Blackfan anemiaInherited bone marrow failure syndromeChromatin loopsInduction of HSP70Hsp70 geneShock protein 70Progenitor expansionBiological functionsEarly myeloid progenitorsBone marrow failure syndromesErythroid factorsErythroid progenitorsMyeloid progenitorsMarrow failure syndromesProtein 1Protein 70Blackfan anemiaHSP70Specific sitesProgenitorsCell modelSATB1 expressionInduction
2022
Downregulation of SATB1 by miRNAs reduces megakaryocyte/erythroid progenitor expansion in preclinical models of Diamond–Blackfan anemia
Wilkes MC, Scanlon V, Shibuya A, Cepika AM, Eskin A, Chen Z, Narla A, Glader B, Roncarolo MG, Nelson SF, Sakamoto KM. Downregulation of SATB1 by miRNAs reduces megakaryocyte/erythroid progenitor expansion in preclinical models of Diamond–Blackfan anemia. Experimental Hematology 2022, 111: 66-78. PMID: 35460833, PMCID: PMC9255422, DOI: 10.1016/j.exphem.2022.04.005.Peer-Reviewed Original ResearchConceptsMegakaryocyte/erythroid progenitorsDiamond-Blackfan anemiaRibosomal proteinsPathogenesis of DBAErythroid progenitorsHuman hematopoietic stemInherited bone marrow failure syndromeChromatin regulatorsRibosomal insufficiencyErythroid differentiationProgenitor expansionBone marrow failure syndromesCancer predispositionHematopoietic stemMiR-30MiR-34Molecular pathwaysMegakaryocyte expansionMarrow failure syndromesNormal erythropoiesisProgenitor cellsCoordinated actionSATB1ProgenitorsDifferentiation
2021
SATB1 Regulates Chromatin Organization and HSP70 Expression in Early Erythropoiesis and Is Downregulated in Models of Diamond Blackfan Anemia
Wilkes M, Shibuya A, Scanlon V, Chae H, Narla A, Sakamoto K. SATB1 Regulates Chromatin Organization and HSP70 Expression in Early Erythropoiesis and Is Downregulated in Models of Diamond Blackfan Anemia. Blood 2021, 138: 2189. DOI: 10.1182/blood-2021-153814.Peer-Reviewed Original ResearchDiamond-Blackfan anemiaInduction of HSP70Early erythropoiesisHsp70 geneErythroid transcription factor GATA1Ribosomal protein RPS19Transcription factor GATA1Blackfan anemiaBulk RNA-seqCritical molecular mechanismsCord blood HSPCsChromatin organizationChromatin loopsRibosomal genesHematopoietic stem cellsRNA-seqSpecial ATUncommitted progenitorsErythroid differentiationProgenitor expansionProximal promoterErythroid defectsMolecular mechanismsRare genetic diseaseAnemia phenotype