• Thumbnail for T helper cell
    The T helper cells (Th cells), also known as CD4+ cells or CD4-positive cells, are a type of T cell that play an important role in the adaptive immune...
    54 KB (6,597 words) - 14:51, 21 July 2024
  • T helper 17 cells (Th17) are a subset of pro-inflammatory T helper cells defined by their production of interleukin 17 (IL-17). They are related to T...
    31 KB (3,564 words) - 14:56, 3 December 2023
  • Thumbnail for T cell
    CD4+ "helper" T cells. (These are named for the presence of the cell surface proteins CD8 or CD4.) CD8+ T cells, also known as "killer T cells", are cytotoxic...
    71 KB (9,061 words) - 19:16, 16 November 2024
  • Thumbnail for Cytotoxic T cell
    A cytotoxic T cell (also known as TC, cytotoxic T lymphocyte, CTL, T-killer cell, cytolytic T cell, CD8+ T-cell or killer T cell) is a T lymphocyte (a...
    31 KB (3,852 words) - 03:38, 17 November 2024
  • Thumbnail for Follicular B helper T cells
    Follicular helper T cells (also known as T follicular helper cells and abbreviated as TFH), are antigen-experienced CD4+ T cells found in the periphery...
    16 KB (1,936 words) - 01:42, 16 December 2023
  • Thumbnail for Antigen-presenting cell
    antigen-presenting cells, including macrophages, B cells and dendritic cells, present foreign antigens to helper T cells, while virus-infected cells (or cancer cells) can...
    16 KB (2,128 words) - 09:55, 4 March 2024
  • T helper 3 cells (Th3) are a subset of T lymphocytes with immunoregulary and immunosuppressive functions, that can be induced by administration of foreign...
    11 KB (1,235 words) - 01:34, 11 November 2023
  • T helper cell 22, also known as the Th22 cell, are a type of immune cell. Th22 are a derivative of naïve CD4+ T cells induced by the ligand activation...
    5 KB (646 words) - 12:16, 11 October 2024
  • Thumbnail for Cell-mediated immunity
    with cells. CD4 cells or helper T cells provide protection against different pathogens. Naive T cells, which are immature T cells that have yet to encounter...
    14 KB (1,377 words) - 16:49, 20 November 2024
  • are the naive forms of helper T cells (CD4+) and cytotoxic T cells (CD8+). Naive T cells, unlike activated or memory T cells, have not encountered its...
    9 KB (1,142 words) - 13:25, 25 October 2024
  • regulatory T cells). These Treg cells are different from helper T cells. Another regulatory T cell subset is Treg17 cells. Regulatory T cells are involved...
    79 KB (9,481 words) - 19:49, 18 October 2024
  • cytotoxic T cells (CD8-positive) subset, similar populations appear to exist for both the helper T cells (CD4-positive) and the cytotoxic T cells. Primary...
    32 KB (3,781 words) - 12:49, 26 April 2024
  • Thumbnail for T-cell receptor
    co-receptor CD4 or CD8, depending on the T-cell subtype. CD4 is expressed on helper T cells and regulatory T cells, and is specific for MHC class II. CD8...
    43 KB (5,372 words) - 00:43, 6 November 2024
  • immunoreceptors, chimeric T cell receptors or artificial T cell receptors—are receptor proteins that have been engineered to give T cells the new ability to...
    85 KB (8,798 words) - 19:54, 26 November 2024
  • Gamma delta T cells (γδ T cells) are T cells that have a γδ T-cell receptor (TCR) on their surface. Most T cells are αβ (alpha beta) T cells with TCR composed...
    35 KB (4,472 words) - 00:20, 13 June 2024
  • killer T (NKT) cells are a heterogeneous group of T cells that share properties of both T cells and natural killer cells. Many of these cells recognize...
    14 KB (1,648 words) - 09:58, 18 July 2023
  • Thumbnail for Adaptive immune system
    activated it. Helper T-cells require a much milder activation stimulus than cytotoxic T cells. Helper T cells can provide extra signals that "help" activate...
    57 KB (7,168 words) - 18:55, 21 November 2024
  • antigen-specific T helper cell precursors have with an antigen. It is essential to the T helper cells' subsequent interaction with B cells to produce antibodies...
    10 KB (1,187 words) - 09:19, 4 December 2023
  • dendritic cells express high levels of CD8). Human immunodeficiency virus binds CD4 and a chemokine receptor on the surface of a T helper cell to gain entry...
    15 KB (1,442 words) - 06:08, 25 November 2024
  • help of T-cells and have the ability to work directly with antigens to provide responses to pathogens present. The B cell waits for a helper T cell (TH)...
    17 KB (1,673 words) - 14:02, 19 July 2024
  • Thumbnail for Lymphocyte
    Lymphocyte (redirect from Lymphoid Cell)
    case of B cells), cytotoxic granules (cytotoxic T cells) or by signaling to other cells of the immune system (helper T cells). Memory T cells remain in...
    23 KB (2,445 words) - 18:22, 18 August 2024
  • Thumbnail for Human T-lymphotropic virus 1
    Human T-cell lymphotropic virus type 1 or human T-lymphotropic virus (HTLV-I), also called the adult T-cell lymphoma virus type 1, is a retrovirus of...
    25 KB (3,138 words) - 22:16, 29 October 2024
  • TH (redirect from T H)
    Hawaii and prior to that the Kingdom of Hawaii Terre Haute, Indiana T helper cell Th, in the immune system Terminologia Histologica, an international...
    3 KB (327 words) - 15:06, 25 May 2024
  • Thumbnail for White blood cell
    Lymphoid cells (lymphocytes) include T cells (subdivided into helper T cells, memory T cells, cytotoxic T cells), B cells (subdivided into plasma cells and...
    32 KB (3,218 words) - 21:14, 6 November 2024
  • Thumbnail for Polyclonal B cell response
    by B cells or macrophages. This activates the B cell only partially. Antigen processing. Antigen presentation. Activation of the T helper cells by antigen-presenting...
    49 KB (5,613 words) - 10:01, 27 March 2024
  • Th22 cells (T helper cells type 22) are subpopulation of CD4+ T cells that produce interleukin-22 (IL-22). They play a role in the protective mechanisms...
    10 KB (1,193 words) - 09:35, 19 March 2024
  • Thumbnail for CD4
    CD4 (redirect from CD4+ cell)
    for the T-cell receptor (TCR). CD4 is found on the surface of immune cells such as helper T cells, monocytes, macrophages, and dendritic cells. It was...
    22 KB (2,581 words) - 20:03, 21 June 2024
  • Thumbnail for T cell deficiency
    T cell deficiency is a deficiency of T cells, caused by decreased function of individual T cells, it causes an immunodeficiency of cell-mediated immunity...
    10 KB (813 words) - 23:08, 30 October 2024
  • Thumbnail for Dendritic cell
    CD8+ T cells, the formation of CD8+ memory T cells requires the interaction of dendritic cells with CD4+ helper T cells. This help from CD4+ T cells additionally...
    34 KB (3,972 words) - 15:36, 25 August 2024
  • Suppressor-inducer T cells are a specific subset of CD4+ T helper cells that "induce" CD8+ cytotoxic T cells to become "suppressor" cells. Suppressor T cells are also...
    1 KB (163 words) - 14:30, 20 November 2023