INS and lipodystrophy: In addition, Tsuboyama-Kasaoka, Takahashi, Tnemura, Kim, Tnage, Okuyama, Kasai, Ikemoto, and Ezaki [26] showed preliminary data indicating that leptin infusion lowers the levels of serum insulin and attenuates hepatocyte fat deposition in CLA-fed lipodystrophy model mice.