Dendritic cell activating T-cells, illustration

RFID:2GAFY1D

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Contributor:

Science Photo Library / Alamy Stock Photo

Image ID:

2GAFY1D

File size:

83.4 MB (1.1 MB Compressed download)

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Dimensions:

7200 x 4050 px | 61 x 34.3 cm | 24 x 13.5 inches | 300dpi

Date taken:

23 July 2021

Photographer:

DESIGN CELLS/SCIENCE PHOTO LIBRARY

More information:

Illustration of a dendritic cell (centre, purple) activating T-cells (teal). Dendritic cells recognise viruses and present information about their antigens to T-cells. A dendritic cell is a type of white blood cell that is a component of the body's immune system. They are antigen presenting cells (APCs), that is, they present pathogens or foreign molecules (antigens) to other cells of the immune system to be eliminated.

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activating activation artwork biological biology dendritic cell healthcare immune response immunity no-one purple background t-cells t-lymphocytes white blood cell

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RFR5CMDP–Activation of T-cell immune response, illustration. Array of proteins interacting on the surface membranes of a T-cell (across bottom) and an antigen presenting cell (APC, across top). Shown here is the interaction of MHC-II (red) with the T-cell receptor (TCR, blue), and CD4 (light blue) and B7-1 (orange) with CD-28 (dark blue), activating T-cells. The interaction of B7-1 (orange) with CTLA-4 (purple) and PD-L1 (yellow) with PD-1 (purple) deactivates T-cells. T-cells are a key part of the immune system. For this illustration with full labelling, see image F023/0923.

RFR5CMDW–Activation of T-cell immune response, illustration. Array of proteins interacting on the surface membranes of a T-cell (across bottom) and an antigen presenting cell (APC, across top). Shown here is the interaction of MHC-II (red) with the T-cell receptor (TCR, blue), and CD4 (light blue) and B7-1 (orange) with CD-28 (dark blue), activating T-cells. The interaction of B7-1 (orange) with CTLA-4 (purple) and PD-L1 (yellow) with PD-1 (purple) deactivates T-cells. T-cells are a key part of the immune system. For this illustration with less labelling, see image F023/0922.

RFR5CMF5–Activation of T-cell immune response, illustration. Array of proteins interacting on the surface membranes of a T-cell (across bottom) and an antigen presenting cell (APC, across top). These proteins are involved in both the activation and deactivation of the T-cells. Shown here is the interaction of MHC-II (red) with the T-cell receptor (TCR, blue), and CD4 (light blue) and B7-1 (orange) with CD-28 (dark blue), activating T-cells. The interaction of B7-1 (orange) with CTLA-4 (purple) and PD-L1 (yellow) with PD-1 (purple) deactivates T-cells. T-cells are a key part of the immune system.

RF2R5NT8W–Dendritic cell activating a t-cell, illustration

Dendritic cell activating T-cells, illustration

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