英语语法分析

On the contrary, no killing effect of GCV was observed in cells cultured under normoxic condition.

而正常氧浓度下培养组，未能观察到GCV的杀伤作用。

RESULTS: Compared with normoxic group, the invasiveness and migration in hypoxic group were increased.

结果： 低氧组细胞迁移能力、侵润能力显著高于常氧组。

The expression of 15-LO-1 protein in hypoxic group was much stronger than that in normoxic group (P<0.01).

缺氧时15-LO-1蛋白质表达明显强于在正常对照中的表达（P<0.01）。