Definition of Helper cell
1. 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.
Medical Definition of Helper cell
1. A subset of T lymphocytes that acts in cooperation with B lymphocytes to permit antibody formation. Synonym: inducer cell. (05 Mar 2000)
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Lexicographical Neighbors of Helper Cell
Literary usage of Helper cell
Below you will find example usage of this term as found in modern and/or classical literature:
1. Transgenic Animals: Bibliography January 1991-February 1994 by Raymond Dobert (1996)
"Both QT6 and D17 cells were engineered to become helper cell lines for the production of reticuloendotheliosis virus vectors. The results showed that the ..."
2. Mineral Requirements for Military Personnel: Levels Needed for Cognitive And by Food and Nutrition Board, Committee on Military Nutrition Research, National Academy of Sciences (U.S.) (2006)
"... Ig is likely due to a failure of the stressed rats to increase KLH-specific T helper cell numbers (Fleshner et al., 1995a, 1998). ..."
3. Reviews in Environmental Health (1998): Toxicological Defense Mechanics edited by Gary E. R. Hook, George W. Lucier (2000)
"The cells exhibiting the T-helper cell type 2 pheno- type (Th2) are proposed to upregulate IgE production and release cytokines such as IL-4 and IL-5 as ..."
4. Proceedings of the Society for Experimental Biology and Medicine (1903)
"... antibody covering sites necessary for helper-cell recognition. Inhibition by simple blocking of antigenic determinants seems unlikely, however, ..."
5. Novel Systems for the Study of Human Disease: From Basic Research to by OECD Staff, (Paris) Organisation for Economic Co-ope, SourceOECD (Online service) (1998)
"(1991), “Normal development and functional CD8 cells but markedly decreased helper cell activity in mice lacking CD4”, Nature 353, pp. 180-184. ..."