Natural killer cells recognize and kill abnormal host cells that are:

Question

Quizplus · Accepted Answer

Natural killer cells recognize and kill cells that do not express MHC class I molecules, as these are often abnormal and could indicate infection or transformation. Cells that express MHC class I molecules are generally not targeted by natural killer cells because they are recognized as "self" cells. Opsonization with IgE and presentation of antigens bound to MHC class II molecules are mechanisms of recognition by other cells of the immune system, but not by natural killer cells.

Natural Killer Cells Recognize and Kill Abnormal Host Cells That