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Terminal differentiation to mature neutrophils and eosinophils in suspension culture of the blast progenitors in acute myeloblastic leukemia. 1990

N Nara, and S Tohda, and T Suzuki, and K Nagata, and Y Yamashita, and Y Imai, and T Morio, and M Bessho, and A Shibuya, and Y Adachi
First Department of Internal Medicine, Tokyo Medical and Dental University, Japan.

The blasts obtained from three freshly diagnosed acute myeloblastic leukemia (AML) patients were cultured in suspension to determine whether leukemic blast progenitors can indeed differentiate to form mature granulocytes. One patient was AML M2. The other two patients were bilineal and biphenotypic leukemia, respectively. Media conditioned by human bladder carcinoma line 5637 (5637-CM) or recombinant human granulocyte colony-stimulating factor (rhG-CSF) was added to stimulate growth. In suspension, clonogenic cells grew for 1-3 weeks in two patients, while they did not increase in one patient. After repeated subculture, cells of blast morphology decreased in percentage and polymorphonuclear neutrophils, eosinophils, and monocyte-macrophages appeared. Lymphoid cell component of the patient 2, who was diagnosed as bilineal leukemia by dual-color immunofluorescence analysis, decreased in number after suspension culture and cells of myeloid phenotype became dominant. The findings show that clonogenic blast progenitors can renew themselves and can also undergo terminal differentiation to mature end cells.

UI MeSH Term Description Entries
D009504 Neutrophils Granular leukocytes having a nucleus with three to five lobes connected by slender threads of chromatin, and cytoplasm containing fine inconspicuous granules and stainable by neutral dyes. LE Cells,Leukocytes, Polymorphonuclear,Polymorphonuclear Leukocytes,Polymorphonuclear Neutrophils,Neutrophil Band Cells,Band Cell, Neutrophil,Cell, LE,LE Cell,Leukocyte, Polymorphonuclear,Neutrophil,Neutrophil Band Cell,Neutrophil, Polymorphonuclear,Polymorphonuclear Leukocyte,Polymorphonuclear Neutrophil
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D001752 Blast Crisis An advanced phase of chronic myelogenous leukemia, characterized by a rapid increase in the proportion of immature white blood cells (blasts) in the blood and bone marrow to greater than 30%. Blast Phase,Blast Crises,Blast Phases,Crises, Blast,Crisis, Blast,Phase, Blast,Phases, Blast
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D004804 Eosinophils Granular leukocytes with a nucleus that usually has two lobes connected by a slender thread of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and stainable by eosin. Eosinophil
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D014407 Tumor Cells, Cultured Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely. Cultured Tumor Cells,Neoplastic Cells, Cultured,Cultured Neoplastic Cells,Cell, Cultured Neoplastic,Cell, Cultured Tumor,Cells, Cultured Neoplastic,Cells, Cultured Tumor,Cultured Neoplastic Cell,Cultured Tumor Cell,Neoplastic Cell, Cultured,Tumor Cell, Cultured
D014410 Tumor Stem Cell Assay A cytologic technique for measuring the functional capacity of tumor stem cells by assaying their activity. It is used primarily for the in vitro testing of antineoplastic agents. Clonogenic Cell Assay, Tumor,Colony-Forming Units Assay, Tumor,Neoplasm Stem Cell Assay,Stem Cell Assay, Tumor,Colony Forming Units Assay, Tumor
D014411 Neoplastic Stem Cells Highly proliferative, self-renewing, and colony-forming stem cells which give rise to NEOPLASMS. Cancer Stem Cells,Colony-Forming Units, Neoplastic,Stem Cells, Neoplastic,Tumor Stem Cells,Neoplastic Colony-Forming Units,Tumor Initiating Cells,Cancer Stem Cell,Cell, Cancer Stem,Cell, Neoplastic Stem,Cell, Tumor Initiating,Cell, Tumor Stem,Cells, Cancer Stem,Cells, Neoplastic Stem,Cells, Tumor Initiating,Cells, Tumor Stem,Colony Forming Units, Neoplastic,Colony-Forming Unit, Neoplastic,Initiating Cell, Tumor,Initiating Cells, Tumor,Neoplastic Colony Forming Units,Neoplastic Colony-Forming Unit,Neoplastic Stem Cell,Stem Cell, Cancer,Stem Cell, Neoplastic,Stem Cell, Tumor,Stem Cells, Cancer,Stem Cells, Tumor,Tumor Initiating Cell,Tumor Stem Cell,Unit, Neoplastic Colony-Forming,Units, Neoplastic Colony-Forming

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