Table 2.
Effector mechanism | Positive features | Negative features |
---|---|---|
| ||
NK cells | ADCC; activation can be enhanced with cytokines5,22,23,50,63–66 | KIR ligands being present may inhibit ADCC22,59,66,69,70 |
Neutrophils | ADCC; response enhanced by chemotherapy83 | Diminished with cytotoxic chemotherapy |
Macrophages | ADCC/phagocytosis of tumor67,79,80 | TAMs are associated with poor prognosis75–78 |
γδ T cells | Tumor cytotoxicity when combined with TMZ87 | Minor cell population/may require ex vivo prep84,136 |
Complement | CDC | Complement binding associated with pain75–78 |
Abbreviations: ADCC, antibody-dependent cellular cytotoxicity; CDC, complement-dependent cytotoxicity; KIR, immunoglobulin-like receptor; NK, natural killer; TAMs, tumor-associated macrophages; TMZ, temozolomide.