谷氨酰胺对大鼠脑损伤后肠黏膜屏障损害的保护作用

目的 探讨谷氨酰胺对大鼠创伤性脑损伤(TBI)后肠黏膜屏障的影响.方法 54只雄性Wistar成年大鼠随机分为对照组(N组,6只)、TBI组(T组,24只)及脑损伤后谷氨酰胺治疗组(G组,24只),T组和G组按TBI后检测时间分为1,3,5,7 d组,每组6只大鼠,应用组织病理切片和电镜观察肠黏膜结构的变化,并以TUNEL法检测细胞凋亡.结果 谷氨酰胺能减轻TBI后肠黏膜的病理损害,使细胞凋亡减少.结论 谷氨酰胺对TBI后肠黏膜屏障损害有一定的保护作用.

Protective effects of Glutamine on intestinal mucosa barrier dysfunction following traumatic brain injury in rats

Objective To observe the effect of Glutsmine on intestinal barrier function after traumatic brain injury in rats. Methods A total of 54 adult male Wistar rats were divided randomly into 3 groups, ie, normal group (Group N, 6 rats), TBI group (Group T, 24 rats) and Giutamine intervention group (Group G, 24 rats). Group T and Group G were subdivided into 4 groups according to detection time at days 1,3, 5 and 7 respectively. Meanwhile, 6 rats were enlisted in each group. The intestinal mucosa structure was detected by histopathological examination and electron microscopy. Apoptosis was detected by in situ immunohistochemical staining (TUNEL). Results Glutamine could relieve the pathological lesion of gut mucosa and decrease intestinal mucosa cell apoptosis after traumatic brain injury. Conclusion Glutamine can protect intestinal mucosa barrier function following traumatic brain injury.