Summary
Immunohistology provides a necessary but insufficient criterion for selecting monoclonal antibodies (MAbs) capable of tumour targeting in vivo. Additional selection procedures have been evaluated using a panel of anti-melanoma MAbs, including immunoreactivity of (labelled) MAbs, antibody affinity, kinetics of binding and release, apparent antigen density and accumulation in nude mouse transplants. According to these criteria, MAbs M.2.7.6 and M.2.9.4 showed the most favourable properties, i.e. high immunoreactivity and pronounced internalization into melanoma cells. With MAbs M.2.10.15 and KG 6–56, moderate immunoreactivity and a binding pattern characterized by temperature dependence in the absence of internalization was observed. According to the paired label assay, all four MAbs showed specific accumulation into solid melanoma tissue. However, application in the patient still requires evaluation of the side effects of antigen cross-expression on normal human tissues.
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Matzku, S., Brüggen, J., Bröcker, EB. et al. Criteria for selecting monoclonal antibodies with respect to accumulation in melanoma tissue. Cancer Immunol Immunother 24, 151–157 (1987). https://doi.org/10.1007/BF00205593
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DOI: https://doi.org/10.1007/BF00205593