Leptin administration led to increased proliferation of rat NP cells in a dose-dependent manner, as shown by MTT assay and by counting the percentage of PCNA-positive cells.
正如MTT法和计数pcna阳性细胞比例所显示：瘦素的给予与鼠np细胞的增殖成剂量依赖性关系。
2
The percentage of apoptotic cells was a time- and dose- dependent manner.
流式细胞仪检测出凋亡细胞百分率呈时间剂量依赖关系；
3
These maps show the percentage coverage of the third dose of Hib vaccine worldwide from 1998 to 2007 in children <1year of age.