35 Bilder zum Thema "mhc class" bei ClipDealer

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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.
T-cell receptor bound to a cell membrane
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.
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
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.
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
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
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
HLA - Human Leukocyte Antigen acronym, medical concept background
Human Antigene and bacteria
Human Cytotoxic T 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. Complex embedded in the membranes. 3D-Rendering. Illustration
Human Cytotoxic T 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
Human Antigene and bacteria
3D medical illustration cytotoxic T cell and Helper T cell destroys the stress-related molecule
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
Macrophages approaching bacteria (bacilli), 3D rendering. Illustration
Human Cytotoxic T 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
Human Cytotoxic T cell
3D medical illustration cytotoxic T cell and Helper T cell destroys the stress-related molecule
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
Human Cytotoxic T cell
Macrophag engulfing bacteria (cocci), 3D rendering. Macrophages engulf and digest cellular debris and pathogens. - Illustration
Makrophage, type of white blood cell, of the immune system, that engulfs and digests cellular debris, foreign substances, microbes, cancer cells
Makrophage eating borrelia bacteria
Dendritic cell. 3D-rendering. Dendritic cells are antigen-presenting cells of the immune system. Illustration
Human Antigene and bacteria
HLA - Human Leukocyte Antigen acronym, health concept on blackboard
3D medical illustration cytotoxic T cell and Helper T cell destroys the stress-related molecule
Human Cytotoxic T cell
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

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