The killing mechanism of natural killer cells is regulated by:

Question

Quizplus · Accepted Answer

Natural killer cells have both inhibitory and activating receptors on their surface, which regulate their killing mechanism. The inhibitory receptors recognize major histocompatibility complex (MHC) class I molecules on healthy cells and prevent the natural killer cells from killing them. The activating receptors recognize ligands on infected or cancerous cells and trigger the killing process. Thus, the balance between the inhibitory and activating signals received by natural killer cells determines their activity.

The Killing Mechanism of Natural Killer Cells Is Regulated By