The increased BrdU incorporation in ipsilateral hemisphere was observed as early as 30 min and the increased expression of nestin immunoreactivity was observed at 4d after H-I damage.

• 研究结果发现缺血块氧后30分钟缺血侧半球BrdU阳性细胞数明显多于对侧半球并持续到6小时，4天后缺血侧半球DrdU阳性细胞数再次增高，而nestin的表达仅于4天后明显增加。