59 Bilder zum Thema "antigen presenting" bei ClipDealer

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Antigen presenting cells
Antigen presenting cells
Antigen presenting cells
Antigen presenting cells
human T helper cell
human T helper cell
Antibody Production medicial concept
B cell lymphocyte producing antibodies
Cancer cells express PD-L1 (orange) proteins on their surface to trick the immune system. The interaction of PD-L1 with PD-1 of T-cells leads to a down-regulation of T-cells. The antibody (yellow) blocks this interaction.
Plasma cell B lymphocyte producing antibodies isolated on white
T-cell receptor in complex with the MHC class II-peptide complex. The antigen (light green) is a peptide from a tumor cell, bacteria or virus. Complex embedded in the membranes. 3D-Rendering. Illustration
Enzyme lock key
PD-1 (red) extends from the surface of a T-cell and interacts with the ligand protein PD-L1 (yellow) from a antigen presenting cell. Although the T-cell has been activated through the interaction of a T-cell receptor (blue) and a MHC protein (viole
T-cell receptor in complex with the MHC class II-peptide complex. The antigen (light green) is a peptide from a tumor cell, bacteria or virus. Different stages of the interaction. 3D-Rendering. Illustration
Interactions of MHC-II with the T-cell receptor and CD4 and B7-1 with CD-28 activates T-cells while the interactions of P7-1 with CTLA-4 and PD-L1 with PD-1 deactivates T-cells.
Enzyme lock key
human T helper cell
Enzyme lock key
Types of t Lymphocyte isolated, 3d rendering
Plasma cell B lymphocyte producing antibodies isolated on black
Human Cytotoxic T cell
Human Cytotoxic T cell
human T helper cell
T-cell receptor in complex with the MHC class II-peptide complex. The antigen (light green) is a peptide from a tumor cell, bacteria or virus. Different stages of the interaction. 3D-Rendering. Illustration
Dendritic cell, antigen-presenting immune cell
Human Cytotoxic T cell
T Cell, helper T cell and cytotoxic T cell, CD Antigen Types, CD4 And CD8, 3d rendering
Dendritic cell, antigen-presenting immune cell
Interaction of MHC-II (red) with the T-cell receptor (blue) and CD4 (light blue) and B7-1 (orange) with CD-28 (dark blue) activates T-cells while the interaction of P7-1 with CTLA-4 (violett) and PD-L1 (yellow) with PD-1 deactivates T-cells
Dendritic cell. Dendritic cells are antigen-presenting cells of the immune system. They process antigen material and present it on the cell surface to the T cells of the immune system. 3D Rendering. Illustration
3D medical illustration cytotoxic T cell and Helper T cell destroys the stress-related molecule
3d computer illustration of a dendritic cell. They areantigen-presenting cells of the immune system. Their main function is to process antigen material and present it on the cell surface to the T cells of the immune system. They are messengers betwe
Dendritic cells present antigens (green) to lymphocytes through their membran bound MHC-molecules (violet). CD4 molecules (light blue) bind to other portions of the MHC, strengthening the interaction.
Lymphocyte. Immune cell. Antibody-producing cell. B-lymphocyte o
T-cell receptor in complex with the MHC class II-peptide complex. The antigen (light green) is a peptide from a tumor cell, bacteria or virus. Different stages of the interaction. 3D-Rendering. Illustration
After activation by an antigen presenting cell, a T helper cell segregates several cytokines.
Dendritic cell, antigen-presenting immune cell
Humoral immunity, 3d illustration.
Immunologically active proteins on a T-cell. TCR (blue), CD-4 (light blue), CD-28 (dark blue), PD-1 (magenta), CTLA-4 (violet), Ca-channel (dark violet). The T-cell receptor, CD-4 and CD-28 activate T-cells, while PD-1 and CTLA-4 inhibit the activat
human T helper cell
T Cell, helper T cell and cytotoxic T cell, 3d rendering
Enzyme lock key
Abnormal malignant cells specimen pleural fluid.
Human Cytotoxic T cell
T-lymphocytes and dendritic cells, 3D-rendering; Dendritic cells are antigen-presenting cells of the immune system. They process antigen material and present it on the cell surface to the T-cells. Illustration
3D medical illustration cytotoxic T cell and Helper T cell destroys the stress-related molecule
B cell activation, colorful illustration.
Dendritic cell, antigen-presenting immune cell
Human Cytotoxic T cell
Abnormal malignant cells specimen pleural fluid.

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