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1.中国辐射防护研究院 药物安全性评价中心,药物毒理与放射损伤药物山西省重点实验室,中核放射毒理与放射性药物临床前评价重点实验室,太原 030006
2.山西大学 中医药现代研究中心,地产中药功效物质研究与利用山西省重点实验室,太原 030006
刘欢,硕士,研究实习员,从事药物临床前安全性评价研究,Tel:0351-2203520,E-mail:happyliusxu@163.com
李建国,博士,研究员,从事辐射生物效应研究,Tel:0351-2202239,E-mail:ljg2547@163.com
田俊生,博士,副教授,从事神经药理与新药研发研究,Tel:0351-7019297,E-mail:jstian@sxu.edu.cn
收稿日期:2018-05-23,
网络出版日期:2018-27-09,
纸质出版日期:2019-03-20
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刘欢, 高洁, 尹晶晶, 等. 不同防腐措施收集大鼠尿液对其内源性代谢物的影响[J]. 中国实验方剂学杂志, 2019,25(6):120-124.
Huan LIU, Jie GAO, Jing-jing YIN, et al. Effect of Different Antisepsis Measures on Endogenous Metabolites in Rat Urine[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(6): 120-124.
刘欢, 高洁, 尹晶晶, 等. 不同防腐措施收集大鼠尿液对其内源性代谢物的影响[J]. 中国实验方剂学杂志, 2019,25(6):120-124. DOI: 10.13422/j.cnki.syfjx.20182402.
Huan LIU, Jie GAO, Jing-jing YIN, et al. Effect of Different Antisepsis Measures on Endogenous Metabolites in Rat Urine[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(6): 120-124. DOI: 10.13422/j.cnki.syfjx.20182402.
目的:
2
在大鼠尿液代谢组学研究中需要对尿液样本的采集过程采取必要的防腐措施,针对尿液收集过程中常用的几种防腐措施,研究其对尿液内源性代谢物的影响。
方法:
2
在大鼠尿液样本采集时采用冰上收集、加入叠氮化钠以及两者合用进行防腐,利用核磁共振代谢组学技术分析不同防腐措施的差异。
结果:
2
核磁共振代谢组学结果显示,冰组和叠氮化钠+冰合用组的主成分分析结果重合较多,且二者与空白组、叠氮化钠组均有较高的分离度;叠氮化钠组和空白组有小部分重叠,但是有分离的趋势。提示冰组与叠氮化钠+冰合用组的防腐效果相近,与空白组相比尿液中的缬氨酸、甜菜碱、马尿酸上升,丙氨酸和2-酮戊二酸下降。
结论:
2
在大鼠尿液代谢组学研究中,尿液样本采集时一定要有低温防腐措施,在有防护条件时加入一定量叠氮化钠有助于提高防腐效果。
Objective:
2
In the study of urine metabolomics of rats
necessary antiseptic measures should be taken for collection of urine samples
the effect of several antiseptic measures on the endogenous metabolites in urine was studied.
Method:
2
The urine samples of rats were collected on ice
sodium azide was added
and both of them were used together to prevent corrosion. Differences of antiseptic measures were analyzed by nuclear magnetic resonance (NMR) metabolomics.
Result:
2
The results of NMR metabolomics showed that sodium azide+ ice group and ice group had many overlaps
but they clearly separated with the control group and sodium azide group; sodium azide group and the control group had a small part overlap
but there was a tendency of separation. The antiseptic effect of sodium azide+ ice group and ice group was similar; compared with control group
valine
betaine and hippuricacid in these two groups increased
but the alanine and 2-ketoglutaric acid decreased.
Conclusion:
2
In the study of rat urine metabolomics
low temperature antiseptic measures must be taken when urine samples are collected
and the addition of sodium azide can improve the antiseptic effect slightly under protective conditions.
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