| abstract |
Provided is a method for producing an NK cell-enhancing blood product which is capable of, easily, quickly and with low invasiveness, increasing NK cells, etc. in blood obtained from a living body. The NK cell-enhancing blood product is produced by stimulating NK cells in the blood with an NK cell growth stimulating factor that comprises an anti-CD16 antibody, OK432, anti-CD137 antibody and cytokine, and cultivating the blood at a physiological cell temperature thereafter. |