helper signal

helper signal
хелперный сигнал

English-Russian small dictionary of medicine. . 2015.

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  • helper cells — helper T cells differentiated T lymphocytes whose cooperation (help) is required for the production of antibody against most (T dependent) antigens. Activation of B lymphocytes (B cells) requires recognition of the antigenic determinant against… …   Medical dictionary

  • helper T cell — noun T cell with CD4 receptor that recognizes antigens on the surface of a virus infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus • Syn: ↑helper cell, ↑CD4… …   Useful english dictionary

  • helper T cell — Immunol. a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal. Also called T helper cell. * * * …   Universalium

  • T helper cell — T helper cells (also known as effector T cells or Th cells) are a sub group of lymphocytes (a type of white blood cell or leukocyte) that plays an important role in establishing and maximizing the capabilities of the immune system. These cells… …   Wikipedia

  • T helper 17 cell — T helper 17 cells (Th17) are a subset of T helper cells producing interleukin 17. They are considered developmentally distinct from Th1 and Th2 cells and are thought to play a key role in autoimmune disease.cite journal author=Harrington LE,… …   Wikipedia

  • immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …   Universalium

  • Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • DNA vaccination — The making of a DNA vaccine. DNA vaccination is a technique for protecting an organism against disease by injecting it with genetically engineered DNA to produce an immunological response. Nucleic acid vaccines are still experimental, and have… …   Wikipedia

  • PALplus — is an extension of the PAL analogue broadcasting system for transmitting 16:9 programs without sacrificing vertical resolution. It followed experiences with the HD MAC and D2 MAC, standards that were incompatible with existing receivers but… …   Wikipedia

  • Federica Sallusto — (born November 27, 1961) is an Italian biologist. She was born in Naples, Italy. After high school, she studied in the Faculty of Biology at the University of La Sapienza in Rome where she took the degree with honors.She is currently group leader …   Wikipedia


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