**6. Immunocapture of TEX from body fluids**

In principle, EVs which resemble parent tumor cells and carry on their surface the antigens expressed by tumor cells, should be readily recognized and captured by Abs specific for these tumor-associated antigens (TAAs). There are two major components to this approach that are critical for immunocapture success: one concerns the general strategy used for capture and the other one is the selection of capture Abs.
