has_part has part has part develops_from develops from develops from capable of capable of neutrophilic myeloblast neutrophilic granuloblast A myeloblast committed to the neutrophil lineage. This cell type is GATA-1 positive, C/EBPa-positive, AML-1-positive, c-myb-positive and has low expression of PU.1 transcription factor. cell These cells are CD11b-negative, CD15-negative, CD16-negative, CD35-negative, CD49d-positive, CD68-positive, lactotransferrin-negative, and fMLP receptor-negative. They are found in the Band 3 fraction. neutrophil progenitor cell myeloblast neutrophil differentiation transcription factor PU.1 CCAAT/enhancer-binding protein alpha erythroid transcription factor myb proto-oncogene protein runt-related transcription factor 1