Cells playing roles in the immune system, such as T-cells, are thought to use a dual receptor system when they determine whether or not to kill sick or damaged human cells. If a cell is under stress, turning into tumors, or infected, molecules including MIC-A and MIC-B are produced so that they can attach to the surface of the cell. These work to help macrophages detect and kill<unk> s.
Cancer cell
Blood cell
Neoplasm
Biomedical tissue
Stem cell
Brain cell
White blood cell
Cancer stem cell