Humans express alternately spliced isoforms of 121, 145, 165,183, 189, and 206 amino acids (aa) in length.
VEGF is expressed in multiple cells and tissues including skeletal and cardiac muscle, hepatocytes, osteoblasts, neutrophils, macrophages, keratinocytes, brown adipose tissue, CD34+ stem cells , endothelial cells, fibroblasts, and vascular smooth muscle cells.
