A substance frequently derived from plants that stimulates mitosis and lymphocyte transformation; includes not only lectins such as phytohemagglutinins and concanavalin A, but also substances from streptococci (associated with streptolysin S) and from strains of α-toxin-producing staphylococci. SYN: transforming agent (1). [mitosis + G. -gen, producing]
- pokeweed m. (PWM) a m. (lectin) from Phytolacca americana (pokeweed) which stimulates chiefly B lymphocytes.

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mi·to·gen 'mīt-ə-jən n a substance that induces mitosis

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any substance that can cause cells to begin division (mitosis).

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mi·to·gen (miґto-jən) a substance that induces blast transformation; DNA, RNA, and protein synthesis; and proliferation of lymphocytes, e.g., concanavalin A, phytohemagglutinin, pokeweed mitogen, or lipopolysaccharide.

Medical dictionary. 2011.

Look at other dictionaries:

  • mitogen — mitogen. См. митоген. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • mitogen — [mīt′ə jən] n. Genetics any substance that causes a cell to undergo mitosis mitogenic adj …   English World dictionary

  • Mitogen — See also: Growth Factor A mitogen is a chemical substance that encourages a cell to commence cell division, triggering mitosis. A mitogen is usually some form of a protein. Mitogenesis is the induction (triggering) of mitosis, typically via a… …   Wikipedia

  • Mitogen — Mitogene sind Proteine, die Zellteilungen anregen. Immunologie Mitogene regen Zellteilungen bei B und T Zellen an. Während Antigene die B und T Zellen nur über spezifisch bindende Rezeptoren aktivieren können (echte Immunantwort), reagieren… …   Deutsch Wikipedia

  • mitogen — noun Etymology: mitosis + gen Date: 1946 a substance that induces mitosis • mitogenic adjective • mitogenicity noun …   New Collegiate Dictionary

  • mitogen — n. [Gr. mitos, thread; genos, birth] An agent that stimulates a cell to undergo mitosis …   Dictionary of invertebrate zoology

  • mitogen — mitogenic /muy teuh jen ik/, adj. /muy teuh jeuhn, jen /, n. Biol. any substance or agent that stimulates mitotic cell division. [1950 55; MITO(SIS) + GEN] * * * …   Universalium

  • mitogen — noun Any substance that stimulates mitosis …   Wiktionary

  • mitogen — mi|to|gen [↑ Mitose u. ↑ gen] nennt man Substanzen, die Mitose hervorrufen (Mitogene), z. B. Lectine, Somatomedine …   Universal-Lexikon

  • mitogen — mito|ge̱n [zu ↑Mitose u. ↑...gen]: eine Mitose hervorrufend (von Substanzen) …   Das Wörterbuch medizinischer Fachausdrücke

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