Angiogenin(Ang) is the first angiogenic protein factor purified from serum free supernatants of an established human adenocarcinoma cell line (HT 29). The cDNA encoding angiogenin was isolated by RT PCR from human peripheral white blood cells.

• 通过RT PCR的方法从人外周血白细胞扩增血管生成素 (Ang)cDNA .