| MM | Multiple myeloma |
| NK | natural killer |
| CIK | Cytokine-induced killer |
| NKT | natural killer T |
| HDAC | Histone deacetylase |
| SB | Sodium Butyrate |
| VPA | Valproic Acid |
| TSA | Trichostatin A |
| FCS | fetal calf serum |
| P/S | penicillin/streptomycin |
| IL-2 | interleukin-2 |
| PBS | phosphate buffered saline |
| BSA | bovine serum albumin |
| IFN- | interferon gamma |
| IL | interleukin |
| MTT | 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide |