Abstract

Abstract Antibodies can be used to deliver bioactive molecules (drugs, cytokines, photosensitizers, radionuclides, etc.) to the tumor environment, thus sparing normal tissues. The targeting of modified sub-endothelial extracellular matrix components using armed antibodies is particularly attractive, because of: (i) the abundance and stability of some of these antigens (e.g., splice isoforms of fibronectin and tenascin-C); (ii) the dependence of cancer on new blood vessels (iii) accessibility of these structures from the blood-stream (iv) the fact that some of these antigens are very aboundant in many different cancer types, while being virtually undetectable in most normal adult tissues. Advanced preclinical and clinical data on armed antibodies will be presented in this lecture.

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