121795

Tumor-specific antibody	Tumor-specific antibody conjugated to toxin	Tumor-specific antibody conjugated to radioisotope
*r* 4		^ 4
\/ Antibodies bind to the tumor celi	N/ Antibody-toxin conjugates bind to the tumor celi	V Radioactive antibody binds to the tumor celi
^\CD16
^C ^	d ^C~^r> A
r^1 ^7 hr ^ hr
\/ NK cells with Fc receptors (CD16) are activated to kill the tumor cells	Conjugates are internalized, killing the celi	\/ Radiation kills the tumor celi and neighboring tumor cells

Figurę 14-17 Immunobiology, 6/c. (O Garland Science 200S)