Pictures on allergology
 
Cytotoxic T lymphocytes. APT - antigen-presenting cell
 
 
views views: 404     downloads downloads: 1     votes: 1     rating: rating     added: 2017-06-26     updated: 2017-06-26
 
Cytotoxic T lymphocytes. APT - antigen-presenting cell

Cytotoxic T lymphocytes. APT - antigen-presenting cell

Name: Cytotoxic T lymphocytes. APT - antigen-presenting cell
Size: 1.09 mb
3250 x 3700 (px)
Format: PNG
Keywords: Allergy, allergy pictures, pictures on allergology, allergology photo, pictures on allergic diseases, pictures on allergies, cytotoxic T lymphocytes, APC, antigen-presenting cell, cell recognition, antigen, AG, MHC class molecule, major histocompatibility complex, MHC, proliferation, differentiation, MHC molecule, cytokines, cluster of differentiation, differentiation marker, CD-marker, TcR, T-cell receptor, CD8+, CD4+, lysis target cell, cellular receptor, T-helpers expressor, delayed type hypersensitivity cells, glycoproteins HLA, T-killers, T-suppressors.

Note:

Mature CTL recognizes and binds same [Ag MHC class I] as originally seen on APC. Lysis of target cell ensues.

MHC - major histocompatibility complex;
CD - cluster of differentiation (differentiation marker, CD-marker);
Ag - antigen;
TcR - T-cell receptor;

CD4 - is found on T lymphocytes of the helper T-cell (TH) and delayed hypersensitivity (Tdh) subsets. CD4 molecules are found in association with the TcR and recognize class II major histocompatibility complex (MHC) molecules on antigen-presenting cells (APCs). The TCR of CD4+ cells are thus restricted to recognizing combinations of antigen and class II MHC.

CD - is found on T cells of the ytotoxic T-lymphocyte (CTL) and suppressor T-cell (Ts) subsets. CD8 molecules are found in association with the TCR and recognize class I MHC molecules on APCs. The TCR of CD8+ cells are thus restricted to recognizing combinations of antigen and class I MHC.


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