It is also a potent inhibitor of heparanase,an enzyme that plays a key role in both tumor metastasis and angiogenesis. 同时它也是一种强效的乙酰肝素酶抑制剂，乙酰肝素酶是一种在肿瘤转移以及血管生长过程中起关键作用的酶。
I also use a medicine called Trental or Pentoxifylline as a phosphodiesterase inhibitor. 我也使用磷酸二酯酶抑制剂如巡能泰或己酮可可碱进行治疗。
