Human lymphoblastoid cells in long-term cultures: electron microscopic study. 1979

V Malasková, and V Dorazilová, and J Cinátl, and J Libánský, and V Pospísilová, and G Lindnerová

Fine structure of lymphoblastoid cell lines (LCL) derived from leukocytes of three patients with acute myelosis and one patient with undifferentiated acute leukemia were studied repeatedly by electron microscope. The majority of cells in all lines was of the same primitive lymphoblastic type as refered to in literature regardless to their origin. Morphology of the cells did not change with time of cultivation for several months, by freezing and thawing and by new recultivation after prolonged cryopreservation. No morphologic signs of contamination by viruses were found. No evident morphologic signs of differentiation to mature granulocytes or "mature" lymphocytes or plasmatic cells were observed.

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
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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