VEGFA and kidney disorder: Angiogenesis is a complex process involving multiple cells and multiple molecules and is relevant to the development and treatment of many diseases in the human body, for example, tumor therapy [231], renal disease [232], cardiovascular disease [233], etc. A study used vascular endothelial growth factor (VEGF) to induce angiogenesis in human umbilical vein endothelial cells and four bee products to study their inhibitory effect on angiogenesis.