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Reactive carbonyl compounds (RCCs) cause aggregation and dysfunction of fibrinogen
Xu, Ya-Jie1; Qiang, Min1,2; Zhang, Jin-Ling1; Liu, Ying1; He, Rong-Qiao1,3; He, RQ (reprint author), Chinese Acad Sci, Inst Biophys, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China.
2012-08-01
发表期刊PROTEIN & CELL
ISSN1674-800X
文章类型Article
卷号3期号:8页码:627-640
产权排序1,3
摘要Fibrinogen is a key protein involved in coagulation and its deposition on blood vessel walls plays an important role in the pathology of atherosclerosis. Although the causes of fibrinogen (fibrin) deposition have been studied in depth, little is known about the relationship between fibrinogen deposition and reactive carbonyl compounds (RCCs), compounds which are produced and released into the blood and react with plasma protein especially under conditions of oxidative stress and inflammation. Here, we investigated the effect of glycolaldehyde on the activity and deposition of fibrinogen compared with the common RCCs acrolein, methylglyoxal, glyoxal and malondialdehyde. At the same concentration (1 mmol/L), glycolaldehyde and acrolein had a stronger suppressive effect on fibrinogen activation than the other three RCCs. Fibrinogen aggregated when it was respectively incubated with glycolaldehyde and the other RCCs, as demonstrated by SDS-PAGE, electron microscopy and intrinsic fluorescence intensity measurements. Staining with Congo Red showed that glycolaldehyde-and acrolein-fibrinogen distinctly formed amyloid-like aggregations. Furthermore, the five RCCs, particularly glycolaldehyde and acrolein, delayed human plasma coagulation. Only glycolaldehyde showed a markedly suppressive effect on fibrinogenesis, none did the other four RCCs when their physiological blood concentrations were employyed, respectively. Taken together, it is glycolaldehyde that suppresses fibrinogenesis and induces protein aggregation most effectively, suggesting a putative pathological process for fibrinogen (fibrin) deposition in the blood.
关键词fibrinogen acrolein glycolaldehyde glyoxal malondialdehyde methylglyoxal
学科领域Physiological Psychology/biological Psychology
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收录类别SCI
语种英语
项目资助者National Basic Research Program (973 Program) [2010CB912303, 2012CB911004] ; Natural Scientific Foundation of China [NSFC 30970695, QBI-IBP GJHZ1131]
项目简介We thank Dr. Joy Fleming for helpful comments and improving the English of the manuscript. This work was supported by the National Basic Research Program (973 Program) (Grant Nos. 2010CB912303 and 2012CB911004), and the Natural Scientific Foundation of China (Grant Nos. NSFC 30970695 and QBI-IBP GJHZ1131).
WOS记录号WOS:000310531900009
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/12909
专题脑与认知科学国家重点实验室
通讯作者He, RQ (reprint author), Chinese Acad Sci, Inst Biophys, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China.
作者单位1.Chinese Acad Sci, Inst Biophys, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
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Xu, Ya-Jie,Qiang, Min,Zhang, Jin-Ling,et al. Reactive carbonyl compounds (RCCs) cause aggregation and dysfunction of fibrinogen[J]. PROTEIN & CELL,2012,3(8):627-640.
APA Xu, Ya-Jie,Qiang, Min,Zhang, Jin-Ling,Liu, Ying,He, Rong-Qiao,&He, RQ .(2012).Reactive carbonyl compounds (RCCs) cause aggregation and dysfunction of fibrinogen.PROTEIN & CELL,3(8),627-640.
MLA Xu, Ya-Jie,et al."Reactive carbonyl compounds (RCCs) cause aggregation and dysfunction of fibrinogen".PROTEIN & CELL 3.8(2012):627-640.
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