CRISPR helps find difficult to detect cancer cells
 

Immunotherapy is one of the latest and most effective armaments against various types of cancers. Some of the immunotherapy drugs such as PD-1 inhibitor Keytruda from Merck can block certain proteins in the cancer cells that can make the cells invisible to the immune system normally. Some of the cancers cells can now develop other ways to disguise themselves from being killed by the immune system.

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