New study shows how cancer cells exploit the immune system

New research has discovered an important breakthrough that may overcome cancer treatment resistance. The immune system has a naturally occurring ‘brake’ that tells the body to silence key killer immune cells called CD8+ T-cells as a safeguard to restrain excessive immune responses. Cancer cells are known to exploit this process, called exhaustion, by hijacking the immune system at this ‘off-switch’ to dampen down the immune attack on cancer, enabling cancer growth.

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