43 Bilder zum Thema "helper t cell" bei ClipDealer

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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
White blood cells overview
Human Cytotoxic T cell
Human Cytotoxic T cell
T cell targeting SARS-CoV-2 viruses. T cells play a key role in the development of long-term immunity. to coronavirus
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.
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
Human Cytotoxic T cell
Human Cytotoxic T cell
Human Cytotoxic T cell
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.
Human Cytotoxic T cell
Human Antigene and bacteria
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
3d illustration CAR T-cell attack cancer cell and healthy cells
The T-cell receptor activates the immune response to antigens in T-lymphocytes. T-cell receptors (dark blue), CD4 molecules (light blue), glycolipids (orange). 3d rendering. Illustration
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
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
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.
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
Blood sample tube Natural Killer cells or NK cells test . 3D illustration
3d illustration CAR T-cells destroy cancer cell
human T helper cell
Lymphocyte. Immune cell. Antibody-producing cell. B-lymphocyte o
human T helper cell
human T helper cell
T-cells attack cancer tumor 3D render illustration closeup
Interleukin 5 molecules
human T helper cell
Types of t Lymphocyte isolated, 3d rendering
After activation by an antigen presenting cell, a T helper cell segregates several cytokines.
3d illustration CAR T-cell attack cancer cell
human T helper cell
T Cell, helper T cell and cytotoxic T cell, CD Antigen Types, CD4 And CD8, 3d rendering
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
human T helper cell
human T helper cell
T-cells attack cancer tumor 3D render illustration
Human Antigene and bacteria
Activation of the immune response to an antigene (green) through the complex between a T-cell receptor (dark blue), an MHC II-antigen (violet) and a CD4 protein (light blue). 3d rendering. Illustration
Human Antigene and bacteria
T-cell receptor bound to a cell membrane
T Cell, helper T cell and cytotoxic T cell, 3d rendering

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