References: Cho D, Lee WJ, Halloran PJ, Trinchieri G, Kim YB. Enhancement of porcine natural killer cell activity by recombinant human and murine IL-12. Cell Immunol. 1996 Aug 25;172(1):29-34.
Aragane Y, Riemann H, Bhardwaj RS, Schwarz A, Sawada Y, Yamada H, Luger TA, Kubin M, Trinchieri G, Schwarz T. IL-12 is expressed and released by human keratinocytes and epidermoid carcinoma cell lines. J Immunol. 1994 Dec 15;153(12):5366-72.