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Transfer of the gene for thymidine kinase to thymidine kinase-deficient human cells by purified herpes simplex viral DNA. 1977

S Bacchetti, and F L Graham

Transformation of human cells from a thymidine kinase (ATP:thymidine 5'-phosphotransferase, EC 2.7.1.75)-negative to a thymidine kinase-positive phenotype has been achieved by using purified DNA from herpes simplex virus type 2. The specific activity of the DNA was in the range 0.5 to 2.0 transformants per microng and the efficiency of gene transfer was up to 1 transformant per 10(5) recipient cells. Several transformed lines able to grow continuously in medium selective for thymidine kinase-positive cells have been established. All of these lines express a thymidine kinase activity of viral origin but they differ from each other in the stability of enzyme expression. Subclones derived from a given transformed line inherited the degree of stability of the parental line.

UI MeSH Term Description Entries
D007042 Hypoxanthines Purine bases related to hypoxanthine, an intermediate product of uric acid synthesis and a breakdown product of adenine catabolism.
D007700 Kinetics The rate dynamics in chemical or physical systems.
D001973 Bromodeoxyuridine A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors. BUdR,BrdU,Bromouracil Deoxyriboside,Broxuridine,5-Bromo-2'-deoxyuridine,5-Bromodeoxyuridine,NSC-38297,5 Bromo 2' deoxyuridine,5 Bromodeoxyuridine,Deoxyriboside, Bromouracil
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000630 Aminopterin A folic acid derivative used as a rodenticide that has been shown to be teratogenic. Aminopterin Sodium,Aminopterin, Disodium Salt,Disodium Salt Aminopterin,Sodium, Aminopterin
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
D014158 Transcription, Genetic The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION. Genetic Transcription
D014170 Transformation, Genetic Change brought about to an organisms genetic composition by unidirectional transfer (TRANSFECTION; TRANSDUCTION, GENETIC; CONJUGATION, GENETIC, etc.) and incorporation of foreign DNA into prokaryotic or eukaryotic cells by recombination of part or all of that DNA into the cell's genome. Genetic Transformation,Genetic Transformations,Transformations, Genetic

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