{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Braun TP"],"funding":["NHLBI NIH HHS","European Hematology Association","U.S. Department of Health & Human Services | NIH | National Heart, Lung, and Blood Institute","OHSU Center for Early Detection Advanced Research"],"pagination":["478-487"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9899319"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["37(2)"],"pubmed_abstract":["Mutations in the gene Additional Sex-Combs Like 1 (ASXL1) are recurrent in myeloid malignancies as well as the pre-malignant condition clonal hematopoiesis, where they are universally associated with poor prognosis. However, the role of ASXL1 in myeloid lineage maturation is incompletely described. To define the role of ASXL1 in myelopoiesis, we employed single cell RNA sequencing and a murine model of hematopoietic-specific Asxl1 deletion. In granulocyte progenitors, Asxl1 deletion leads to hyperactivation of MYC and a quantitative decrease in neutrophil production. This loss of granulocyte production was not accompanied by significant changes in the landscape of covalent histone modifications. However, Asxl1 deletion results in a decrease in RNAPII promoter-proximal pausing in granulocyt"],"journal":["Leukemia"],"pubmed_title":["Asxl1 deletion disrupts MYC and RNA polymerase II function in granulocyte progenitors."],"pmcid":["PMC9899319"],"funding_grant_id":["TRTH171","R01HL157147","R01 HL157147"],"pubmed_authors":["Enright T","Demir E","Macaraeg J","Schonrock Z","Mohammed H","Yashar W","Braun TP","Druker BJ","Maxson JE","Coleman DJ","Callahan R","Curtiss BM","Estabrook J","Taherinasab A","Lusardi TA","Darmusey L","Coblentz C"],"additional_accession":[]},"is_claimable":false,"name":"Asxl1 deletion disrupts MYC and RNA polymerase II function in granulocyte progenitors.","description":"Mutations in the gene Additional Sex-Combs Like 1 (ASXL1) are recurrent in myeloid malignancies as well as the pre-malignant condition clonal hematopoiesis, where they are universally associated with poor prognosis. However, the role of ASXL1 in myeloid lineage maturation is incompletely described. To define the role of ASXL1 in myelopoiesis, we employed single cell RNA sequencing and a murine model of hematopoietic-specific Asxl1 deletion. In granulocyte progenitors, Asxl1 deletion leads to hyperactivation of MYC and a quantitative decrease in neutrophil production. This loss of granulocyte production was not accompanied by significant changes in the landscape of covalent histone modifications. However, Asxl1 deletion results in a decrease in RNAPII promoter-proximal pausing in granulocyt","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Feb","modification":"2025-04-04T20:04:25.712Z","creation":"2025-04-04T20:04:25.712Z"},"accession":"S-EPMC9899319","cross_references":{"pubmed":["36526735"],"doi":["10.1038/s41375-022-01792-x"]}}