Role of E. coli DNA in systemic inflammatory response syndrome
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Role of E. coli DNA in systemic inflammatory response syndrome
Role of E. coli DNA in systemic inflammatory response syndrome
解放军医学杂志(英文版)2002年第3期 页码:210-213
Affiliations:
1. Institute of Burn Research
2. Southwest Hospital
3. Third Military Medical University
4. ,China
Author bio:
Funds:
National Natural Science Foundation of China (No. 30070299)
DOI:
中图分类号:R644
纸质出版:2002
Accepted:
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Role of E. coli DNA in systemic inflammatory response syndrome[J]. 解放军医学杂志(英文版), 2002,(3):210-213.
[1]潘文东,周红,郑江,夏培元,秦孝建,鲁永玲,肖光夏.Role of E. coli DNA in systemic inflammatory response syndrome[J].Journal of Medical Colleges of PLA,2002(03):210-213.
Role of E. coli DNA in systemic inflammatory response syndrome[J]. 解放军医学杂志(英文版), 2002,(3):210-213.DOI:
[1]潘文东,周红,郑江,夏培元,秦孝建,鲁永玲,肖光夏.Role of E. coli DNA in systemic inflammatory response syndrome[J].Journal of Medical Colleges of PLA,2002(03):210-213.DOI:
Role of E. coli DNA in systemic inflammatory response syndrome
摘要
Abstract
<正> Objective: To investigate whether bacterial DNA involving in the pathogenesis of systemic inflammatory response syndrome (SIRS) and possible mechanism. Methods: Escherichia coli DNA (EC DNA) was extracted from Escherichia coli 25922 with alkaline lysis method. The mice mortality was observed after EC DNA was injected into mice via caudal vein. The changes of serum TNF-α and IL-6 levels in rats were measured with ELISA after rats were given EC DNA. Calf thymus DNA and lipopolysaccharide (LPS) were used as the control
respectively. Results: EC DNA led mice to death with notable dose-effect relationship (LD50 = 11. 51 mg/kg)
but CT DNA didn’t. The peak level of TNF-α was lower in EC DNA group than in LPS group (P<0. 05)
though the former reaching the peak I h earlier than the latter. However
they had coordinate ability to induce IL-6 release in rats
and no significant difference was seen in serum IL-6 peak level between 2 groups. Conclusion: EC DNA leads mice to death
and induces the increases of s
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