检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]华北制药集团新药研究开发有限责任公司,河北石家庄050011 [2]广州中医药大学临床药理研究所,广东广州510405
出 处:《广州中医药大学学报》2010年第4期375-383,共9页Journal of Guangzhou University of Traditional Chinese Medicine
基 金:国家自然科学基金资助项目(编号:30672637)
摘 要:【目的】采用混合效应线性模型评价不同毒性剂量雄黄在大鼠体内的血砷浓度变化及对其肝肾功能的影响。【方法】选用SD大鼠分别单次灌服3.738、1.869、0.935 g/kg雄黄,测定不同剂量组大鼠药后各时间点/段血砷浓度及尿N-乙酰-β-D-氨基葡萄糖苷酶(NAG)、碱性磷酸酶(AKP)活性,血清天门冬氨酸氨基转移酶(GOT)、丙氨酸氨基转移酶(GPT)、肌酐(Cr)、尿素氮(BUN)活力,并采用混合效应线性模型对其进行统计分析。【结果】大鼠单次灌服不同剂量雄黄,尿AKP、NAG活力,血清BUN、GOT活力的改变有显著的剂量依赖关系,并与血砷浓度变化有显著的线性关系。【结论】在本研究剂量范围内,雄黄中的砷可造成肾小管上皮细胞及肝脏的损伤,但未影响到肾脏的排泄能力。Objective To investigate the influence of blood arsenic concentration change on hepatic and renal function of rats administered with different toxic dosages of realgar by applying the linear mixed-effects model.Methods SD rats were given gastric gavage of realgar at the single dose of 3.738g/kg,1.869 g/kg and 0.935 g/kg respectively.After administration,the concentration of blood arsenic,the activities of urine alkaline phosphatase(AKP),N-acetyl-beta-D-glucosaminidase(NAG),serum glutamic oxaloacetic transaminase(GOT) and glutamate-pyruvate transaminase(GPT) activities,serum creatinine(Cr) level,and blood urea nitrogen(BUN) content were detected in different groups at different time points.The detection results were analyzed with the linear mixed-effects model.Results The changes of urine AKP and NAG activities,serum BUN content and serum GOT activity were presented in a dose-dependent manner,and had linear correlation with arsenic concentration.Conclusion In the dose range of 0.935 to 3.738 g/kg,realgar can cause the hepatic damage and the injury of tubular epithelial cells of kidney,but has not affected the renal excretion.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.38