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Mito warriors: Scientists discover how T cell assassins reload their weapons to kill and kill again

October 14, 2021

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Cambridge researchers have discovered how T cells — an important component of our immune system — are able keep on killing as they hunt down and kill cancer cells, repeatedly reloading their toxic weapons.

Cytotoxic T cells are specialist white blood cells that are trained by our immune system to recognise and eliminate threats — including tumour cells and cells infected with invading viruses, such as SARS-CoV-2, which causes COVID-19. They are also at the heart of new immunotherapies that promise to transform cancer treatment.

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