T cell immune checkpoint, illustration

Numéro d’image : 13736654
T cell immune checkpoint, illustration
Illustration of a T cell (left) binding to an immune checkpoint (brown and green interaction) on a cell (top right). T lymphocytes, or T cells, are a type of white blood cell and components of the body's immune system. They recognise a specific site (antigen, dark green) on the surface of pathogens, foreign objects, or tumour cells, bind to it, and attract antibodies or cells to eliminate that antigen. Healthy cells present molecules, known as immune checkpoints, to T cells to prevent them from being targeted. This is known as self-tolerance. Some cancer cells are able to take advantage of the immune checkpoints to prevent T cells from attacking them. These cancers can be treated with immune checkpoint inhibitors, a type of immunotherapy drug that blocks the checkpoint proteins, allowing the T cells to attack the cancer cells.
Licence : Droits gérés
Crédit: Science Photo Library / KEITH CHAMBERS
Taille de l’image : 5600 px × 6250 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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