VAPA and carcinoma: Strikingly, however, VAP-A had even slightly less mistletoe lectin than VAP-P (1.0 ng/mg extract, Table 3), but the strongest or second strongest cytotoxic effect of all four VAPs on MFM-223, MCF-7, T-24, TCC-SUP, UM-UC-3 and J-82 carcinoma cells.