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Why tumor cells are not detected and destructed by our immune system?

Posted by Kalpana Jha 4 years, 8 months ago

CBSE > Class 12 > Biology

1 answers

Meghna Thapar 3 years, 9 months ago

Immune cells recognise danger through a group of molecules found on the surface of all cells in the body. ... “Cancer cells also develop ways to inactivate immune cells by producing molecules that make them stop working.” They also change their local environment, so it becomes a hostile place for immune cells to work. When cancer cells are able to block the function of a gene called NLRC5, they are able to evade the immune system and form tumors, according to research. ... "Because of this, all cancer cells have new, 'foreign' genes, which host T-cells generally detect as tumour antigens. This anti-tumour system works very well."

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