Effects of bone marrow fibroblastic cells and fibroblastic conditioned medium on HL-60 and KG-1. 1988

B R Greenberg, and L Woo, and H S Garewal
Section of Hematology/Oncology, Veterans Administration Medical Center, Tucson, Arizona.

The in-vitro effects of bone marrow fibroblastic cells (FC) and fibroblastic conditioned medium (FCM) on the proliferation and differentiation of two human leukemic cell lines, HL-60 and KG-1 were studied. When FC were seeded onto only one-half of the culture dish an increase in colony size of HL-60 and KG-1 was observed directly above the FC. FCM had a greater effect, resulting in approximately a four-fold increase in the size of HL-60 and KG-1 colonies. In regards to colony number, FCM from normals inhibited HL-60, but FCM from other sources had no effect. FCM from both normals and ANLL in CR inhibited KG-1 colony number in contrast to the lack of effect with FCM from ANLL at diagnosis and RAEB. Neither FC nor FCM had any effect on the differentiation of either cell line. Our results indicate that FC modulate the proliferation of both HL-60 and KG-1. Furthermore, in ANLL the effects of FC are dependent upon the stage of the disease.

UI MeSH Term Description Entries
D007938 Leukemia A progressive, malignant disease of the blood-forming organs, characterized by distorted proliferation and development of leukocytes and their precursors in the blood and bone marrow. Leukemias were originally termed acute or chronic based on life expectancy but now are classified according to cellular maturity. Acute leukemias consist of predominately immature cells; chronic leukemias are composed of more mature cells. (From The Merck Manual, 2006) Leucocythaemia,Leucocythemia,Leucocythaemias,Leucocythemias,Leukemias
D001854 Bone Marrow Cells Cells contained in the bone marrow including fat cells (see ADIPOCYTES); STROMAL CELLS; MEGAKARYOCYTES; and the immediate precursors of most blood cells. Bone Marrow Cell,Cell, Bone Marrow,Cells, Bone Marrow,Marrow Cell, Bone,Marrow Cells, Bone
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
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D005346 Fibroblast Growth Factors A family of small polypeptide growth factors that share several common features including a strong affinity for HEPARIN, and a central barrel-shaped core region of 140 amino acids that is highly homologous between family members. Although originally studied as proteins that stimulate the growth of fibroblasts this distinction is no longer a requirement for membership in the fibroblast growth factor family. DNA Synthesis Factor,Fibroblast Growth Factor,Fibroblast Growth Regulatory Factor,Growth Factor, Fibroblast,Growth Factors, Fibroblast
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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

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