Methods: 1. In vitro, with MTT, the growth curve of HK-2 cells and OC-3 cells had been built in order to decide the density to inoculate and when to administration.

• 方法：1、应用MTT方法在细胞水平上进行中药粗提物的筛选，首先建立人肾脏近端小管上皮细胞株(HK-2)及卵巢癌细胞株(OC-3)的生长曲线，以确定接种密度及给药时机；