In silico assays revealed an interaction between the carboxylic groups of BKA and the primary amine group of antibodies. The Conjugates exhibited lower cytotoxicity compared to BKA and anti-CD3 Mab individually. In vitro assays have not been able to show the specificity of the conjugate due to the anti-CD3 MAb alone exhibiting cytotoxic properties in PBMCs.
Sangadah et al. (Sun,) studied this question.