Cancer cells can be detected by NK cells when they show
A) interferons.
B) complement proteins.
C) tumor-specific antigens.
D) opsonization.
E) CD4 markers.

Question

Quizplus · Accepted Answer

NK cells can detect cancer cells by recognizing the presence of tumor-specific antigens on their surface. These antigens are not found on normal healthy cells and are therefore a target for immune surveillance. Interferons, complement proteins, opsonization, and CD4 markers are all involved in immune responses, but are not specific to cancer cell detection.

Cancer Cells Can Be Detected by NK Cells When They