We appreciate the interest of Drs. Lu and Zheng (1) in our work showing that adipose tissue overexpression of vascular endothelial growth factor (VEGF) in transgenic mice protects against diet-induced obesity and insulin resistance (2). We agree that changes in VEGF expression may also play a role in the development of diseases such as obesity, diabetes, or cancer and that the underlying mechanisms are complex, as reflected by recent literature. …