Recently, in vitro studies have demonstrated adiponectin involvement in various cancer cell types including breast, endometrial, colon, stomach, prostate, and leukemia [64, 65]; Adiponectin, in fact, inhibits cell growth and induces apoptosis in dose-dependent manner both in vitro and in vivo through different molecular pathways (for review, see [66, 67]). This evidence concerns the gene ADIPOQ and leukemia.