MTS interferon assay: a simplified cellular dehydrogenase assay for interferon activity using a water-soluble tetrazolium salt. 1996

K S Khabar, and F al-Zoghaibi, and M Dzimiri, and M Taha, and A al-Tuwaijri, and M N al-Ahdal
Interferon and Cytokine Research Laboratory, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.

MTS, a tetrazolium dye, is reduced by hydrogenases in living cells to a water-soluble formazan. When it is added to the medium at the end of a cytopathic effects (CPE) inhibition interferon assay, the formazan formed diffuses into the medium; the resultant optical density directly and quantitatively measures how much cellular damage has been produced by the challenge virus in the presence of different amounts of interferon. The use of MTS has considerable advantages in that after it is added, no further steps, such as washing of the cells, extraction of dye, or other manipulations, are needed.

UI MeSH Term Description Entries
D007372 Interferons Proteins secreted by vertebrate cells in response to a wide variety of inducers. They confer resistance against many different viruses, inhibit proliferation of normal and malignant cells, impede multiplication of intracellular parasites, enhance macrophage and granulocyte phagocytosis, augment natural killer cell activity, and show several other immunomodulatory functions. Interferon
D010084 Oxidation-Reduction A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471). Redox,Oxidation Reduction
D010088 Oxidoreductases The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9) Dehydrogenases,Oxidases,Oxidoreductase,Reductases,Dehydrogenase,Oxidase,Reductase
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D005840 Gentian Violet A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties. Crystal Violet,Methyl Violet,Methylrosaniline Chloride,C.I. 42555,Gentiaanviolet FNA,Hexamethylpararosaniline Chloride,Kristallviolett-Lösung,Vigencial,Chloride, Hexamethylpararosaniline,Chloride, Methylrosaniline,FNA, Gentiaanviolet,Kristallviolett Lösung,Violet, Crystal,Violet, Gentian,Violet, Methyl
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012394 Rosaniline Dyes Compounds that contain the triphenylmethane aniline structure found in rosaniline. Many of them have a characteristic magenta color and are used as COLORING AGENTS. Fuchsins,Magentas,Fuchsin,Triphenylmethane Aniline Compounds,Aniline Compounds, Triphenylmethane,Compounds, Triphenylmethane Aniline,Dyes, Rosaniline
D012995 Solubility The ability of a substance to be dissolved, i.e. to form a solution with another substance. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Solubilities
D013778 Tetrazolium Salts Quaternary salts derived from tetrazoles. They are used in tests to distinguish between reducing sugars and simple aldehydes, for detection of dehydrogenase in tissues, cells, and bacteria, for determination of corticosteroids, and in color photography. (From Mall's Dictionary of Chemistry, 5th ed, p455) Tetrazolium Salt,Salt, Tetrazolium,Salts, Tetrazolium
D013844 Thiazoles Heterocyclic compounds where the ring system is composed of three CARBON atoms, a SULFUR and NITROGEN atoms. Thiazole

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