Immune System Takes Out Dangerous Cells With 'Bungee Of Death'

Natural Killer (NK) cells ensnare dangerous cells, such as tumour cells and those infected with bacteria and viruses that are on the run with a bungee-like nanotube, according to research published this week in PNAS. The study shows that NK cells use this bungee to destroy cells that could otherwise escape them. Researchers are keen to understand how NK cells work because they help the body to fight infection and stop tumours from growing. It is thought that it may ultimately be possible to design drugs that harness the cells' ability to fight disease. read more

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