Results The result s indicated that the number of GFAP-positive cells increased at first , reached a peak at the 7th day af ter onset , then decreased and back to normal level at the 21st day.

• 结果 GFAP阳性细胞随损伤时间呈先上升后下降的变化趋势，于发病后第7天表达最高，第21天恢复正常。