- Adenoviral vectors expressing lymphotactin and interleukin 2 or lymphotactin and interleukin 12 synergize to facilitate tumor regression in murine breast cancer models. Emtage, P.C., Wan, Y., Hitt, M., Graham, F.L., Muller, W.J., Zlotnik, A., Gauldie, J. Hum. Gene Ther. (1999)