Danger Dust

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Bampot

How the immune system fails as cancer arises (medicalxpress.com)

submitted 3 months ago by Bampot to c/dangerdust

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Cancer has been described as "a wound that does not heal," implying that the immune system is unable to wipe out invading tumor cells. A new discovery confirms that a key molecule can reprogram immune cells that normally protect against infection and cancer, turning them into bad guys that promote cancer growth....

Kim led a team of scientists investigating the dynamic interactions that occur between cells in the tumor environment, and the underlying factors that cause the harmful transformation of immune cells from good to bad.

They found that PAF (platelet-activating factor) is the key molecule that controls the destiny of the immune cells. PAF not only recruits cancer-promoting cells, but it also suppresses the immune system's ability to fight back. In addition, they found that multiple cancers rely on the same PAF signals.

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