lymphocyte

(redirected from lymphocyte activation)
Also found in: Dictionary, Thesaurus, Medical.
Related to lymphocyte activation: macrophage activation

lymphocyte:

see bloodblood,
fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system; heart). An adult male of average size normally has about 6 quarts (5.6 liters) of blood.
..... Click the link for more information.
; immunityimmunity,
ability of an organism to resist disease by identifying and destroying foreign substances or organisms. Although all animals have some immune capabilities, little is known about nonmammalian immunity.
..... Click the link for more information.
.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

lymphocyte

[′lim·fə‚sīt]
(histology)
An agranular leukocyte formed primarily in lymphoid tissue; occurs as the principal cell type of lymph and composes 20-30% of the blood leukocytes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

lymphocyte

a type of white blood cell formed in lymphoid tissue
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The use of Salmonella enterica as a tumor antigen carrier in [CD4.sup.+] and [CD8.sup.+] T lymphocyte activation is limited to those immunogenic tumors expressing associated or specific tumor antigens [13].
Therefore, we aimed to complete a comprehensive analysis of the most important T lymphocyte activation markers.
The signaling lymphocyte activation molecule (SLAM) or CD150 is the primary receptor for PPRV (Pawar et al.
Because the DTH skin test is not commercially available, we elected to use a lymphocyte activation assay to identify any study participants with such immunity (10).
Termed myeloid-derived suppressor cells (MDSC), cells of this expanded immunosuppressive category have been shown to both perpetuate the glioma-promoting microenvironment as well as distribute peripherally to hinder lymphocyte activation in immune organs [33].
This is associated in 43% of patients with an abnormal increased [kappa] : [lambda] ratio that is usually not observed in other situations of polyclonal B lymphocyte activation even when associated with impaired renal function.
There was a decrease in the levels of lymphocyte activation; however, levels of T cell activation remained significantly elevated, and with this persistent lymphocyte activation there continued to be continued loss of CD4 T cells with a functional deficit of those remaining and hence disease progression [13-14, 18-20].
Hoffman et al also found an increased lymphocyte activation following treatment of DKA [10].
(26.) Goldstone SD, Hunt NH: Redox regulation of the mitogen-activated protein kinase pathway during lymphocyte activation. Biochimica et Biophysica Acta (BBA)--Molecular Cell Research 1997;1355(3): 353-360.
In our study, CD25 and CD69 lymphocyte activation markers were found to have increased during stimulation by S.
Rho proteins are important in cell migration and other cytoskeleton-dependent activities, which are essential for lymphocyte activation and the interaction between lymphoid cell-cell contact sites.