Expression of thymidine kinase activity in hybrids between human leukemic cells and a TK-mouse cell line. 1979

L Larizza, and G F Fiorini, and A Giuliani, and L Bolognani, and L De Carli

A series of actively proliferating clones have been isolated after PEG-induced fusion of a thymidine kinase deficient murine line and white blood cells from two leukemic patients. Their hybrid nature was proved both cytologically and biochemically. All the hybrids tested showed levels of TK activity significantly higher than the TK- mouse parental cell line and comparable to those exhibited by replicating TK+ cells.

UI MeSH Term Description Entries
D007945 Leukemia, Lymphoid Leukemia associated with HYPERPLASIA of the lymphoid tissues and increased numbers of circulating malignant LYMPHOCYTES and lymphoblasts. Leukemia, Lymphocytic,Lymphocytic Leukemia,Lymphoid Leukemia,Leukemias, Lymphocytic,Leukemias, Lymphoid,Lymphocytic Leukemias,Lymphoid Leukemias
D007948 Leukemia, Monocytic, Acute An acute myeloid leukemia in which 80% or more of the leukemic cells are of monocytic lineage including monoblasts, promonocytes, and MONOCYTES. Leukemia, Monoblastic, Acute,Leukemia, Myeloid, Acute, M5,Leukemia, Myeloid, Schilling-Type,Monoblastic Leukemia, Acute,Monocytic Leukemia, Acute,Myeloid Leukemia, Acute, M5,Myeloid Leukemia, Schilling-Type,Leukemia, Acute Monocytic,Leukemia, Myeloid, Schilling Type,Acute Monoblastic Leukemia,Acute Monoblastic Leukemias,Acute Monocytic Leukemia,Acute Monocytic Leukemias,Leukemia, Schilling-Type Myeloid,Leukemias, Acute Monoblastic,Leukemias, Acute Monocytic,Monoblastic Leukemias, Acute,Monocytic Leukemias, Acute,Myeloid Leukemia, Schilling Type,Schilling-Type Myeloid Leukemia
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
D009000 Monocytes Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles. Monocyte
D002875 Chromosomes In a prokaryotic cell or in the nucleus of a eukaryotic cell, a structure consisting of or containing DNA which carries the genetic information essential to the cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed) Chromosome
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
D006822 Hybrid Cells Any cell, other than a ZYGOTE, that contains elements (such as NUCLEI and CYTOPLASM) from two or more different cells, usually produced by artificial CELL FUSION. Somatic Cell Hybrids,Cell Hybrid, Somatic,Cell Hybrids, Somatic,Cell, Hybrid,Cells, Hybrid,Hybrid Cell,Hybrid, Somatic Cell,Hybrids, Somatic Cell,Somatic Cell Hybrid
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013937 Thymidine Kinase An enzyme that catalyzes the conversion of ATP and thymidine to ADP and thymidine 5'-phosphate. Deoxyuridine can also act as an acceptor and dGTP as a donor. (From Enzyme Nomenclature, 1992) EC 2.7.1.21. Deoxythymidine Kinase,Deoxypyrimidine Kinase,Kinase, Deoxypyrimidine,Kinase, Deoxythymidine,Kinase, Thymidine

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