Pluto Bioinformatics

GSE150880: Inhibition of O-GlcNAcylation via O-GlcNAc transferase fosters megakaryopoiesis and induces thrombopoiesis

Bulk RNA sequencing

We report that cellular O-GlcNAcylation levels decline along the course of megakaryocyte (MK) differentiation from human-derived hematopoietic stem and progenitor cells (HSPCs) and that inhibition of O-GlcNAc transferase (OGT), of which catalyzes O-GlcNAcylation, prolongedly decreases O-GlcNAcylation and induces megakaryopoiesis and thrombopoiesis. To gain the better insight into the potential mechanisms underlying platelet regulation by O-GlcNAcylation ,we compared the genome-wide transcription profiles of megakaryblastic MEG-01 cells with decreased O-GlcNAcylation (OGTi) and its control counterpart using RNA sequencing. Gene ontology and enrichment analysis of differentially expressed genes suggest that platelet formation might be regulated through the perturbation in cell adhesion molecules, i.e. integrin-a4 and b7, downstream of O-GlcNAc/c-Myc axis. SOURCE: Sudjit Luanpitpong (sudjit.lua@mahidol.ac.th) - Siriraj Center of Excellence for Stem Cell Center Mahidol University

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