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
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
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
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
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...
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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...
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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...
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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
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
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
Cluster of differentiation (redirect from Cell surface marker)
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
Humoral immunity (redirect from Antigens, t-independent)
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
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
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
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
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
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
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