helper cell

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Related to helper cells: Effector T cells
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Noun1.helper cell - 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
T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
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References in periodicals archive ?
The solution is to move the bottleneck-the repeated portion of the calculation-to a set of helper cells.
In patients with seropositive RA the peripheral helper cells accounted for up to 25% of all CD+4 T-cells, but were not increased in seronegative RA, psoriatic arthritis or juvenile idiopathic arthritis.
is known for proliferation and differentiation of T-cellsinto T helper cells, T helper-1 cells (TH1) and T helper-2 cells (TH2).
The latest thinking regarding pathogenesis is that type 2 T follicular helper cells activate B cells, which become memory B cells or plasmablasts.
Interleukin-5 has been previously associated with immune system T helper cells and conditions such as allergy.
Some helper cells may smooth the way for cancer cells to move, a new study suggests.
The T helper cells do not attack pathogens directly, but activate other immune system cells, including B cells, killer T cells, and macrophages.
There was an increase in the percentage of naive T helper cells, CD4+ cells, and a reduction in RNA viral load at several time points during the study.
Fluorochrome conjugated antibodies are used to enumerate the percent and absolute cell counts of T helper cells (CD3+ CD4+), T cytotoxic cells (CD3+ CD8+), B cells (CD19+), and NK cells (CD56+) in the peripheral blood of a patient.
Objective: Dendritic cells (DCs) are key regulators of both immunity and tolerance by controlling activation and polarization of effector T helper cells (Th) and regulatory T cell responses (Treg).
Specifically, certain T-cells, called TH1 helper cells, are antagonistic to the activity of TH2 helper cells that promote certain functions of B lymphocytes.
Typically, when an infection or injury occurs, the body rushes helper cells to the site to clean and repair the area.