The CTL, differentiated from the activated CD8+T cells, can mediate the killing of virus-infected cells, tumor cells, and other target cells. The killing mechanism includes ( ).
选项:
A:secrete perforin and granular enzyme to kill target cells.;
B:form MAC to lyse target cells.;
C:secrete TNF-α which bound to TNF receptors on the surface of the target cells and initiate the apoptosis of the target cells.;
D:express FasL which combines with Fas on the surface of target cells and initiate the apoptosis of the target cells.;
E:secrete a variety of cytokines and chemotaxis natural killer cells to kill target cells.
发布时间:2024-06-24 10:36:52