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[缺血性中风和循环性脑病患者红细胞膜的结构功能特性]

[The structural-functional properties of the erythrocyte membranes in patients with ischemic stroke and circulatory encephalopathy].

作者信息

Ageeva T S, Zakharova N B, Rassomakhin A A

出版信息

Zh Nevrol Psikhiatr Im S S Korsakova. 1994;94(1):6-8.

PMID:8009936
Abstract

68 patients with cerebrovascular disorders (37 cases of ischemic stroke and 31 cases of dyscirculatory encephalopathy) were examined for microhemorheology (erythrocytic form and deformability); fractional composition of neutral lipids; blood phospholipids; those in red cells and their membrane environment (ME); erythrocytic sorption capacity in plasma and ME by fibrinogen. Neutral lipids were found to undergo metabolic disorders manifested as lowered amount of phospholipids, elevated levels of free fatty acids, triglycerides and cholesterol ethers. The fractional composition shifted to a growing toxic fraction of lysophosphatides and reducing fraction of phosphatydilcholine. The changes were of the same type in all the tested media and seemed interrelated. Along with alterations in the membrane lipid composition there appeared functional changes in erythrocytes: deformability decreased, echinocytes emerged, membrane sorption capacity enhanced, ME fibrinogen rose.

摘要

对68例脑血管疾病患者(37例缺血性中风和31例循环障碍性脑病)进行了微血液流变学检查(红细胞形态和变形性);中性脂质的分数组成;血液磷脂;红细胞及其膜环境(ME)中的磷脂;红细胞对血浆和ME中纤维蛋白原的吸附能力。发现中性脂质发生代谢紊乱,表现为磷脂含量降低、游离脂肪酸、甘油三酯和胆固醇醚水平升高。分数组成向溶血磷脂的毒性分数增加和磷脂酰胆碱分数减少的方向转变。所有测试介质中的变化类型相同,似乎相互关联。随着膜脂质组成的改变,红细胞出现功能变化:变形性降低,棘红细胞出现,膜吸附能力增强,ME纤维蛋白原升高。

相似文献

1
[The structural-functional properties of the erythrocyte membranes in patients with ischemic stroke and circulatory encephalopathy].[缺血性中风和循环性脑病患者红细胞膜的结构功能特性]
Zh Nevrol Psikhiatr Im S S Korsakova. 1994;94(1):6-8.
2
[Erythrocyte deformability in patients with acute cerebral circulatory disorders].[急性脑循环障碍患者的红细胞变形性]
Zh Nevropatol Psikhiatr Im S S Korsakova. 1980;80(9):1328-30.
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Clin Hemorheol Microcirc. 2004;31(1):1-9.
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Probl Endokrinol (Mosk). 1989 Mar-Apr;35(2):14-8.
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Dokl Akad Nauk. 1996 Aug;349(4):546-8.
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Erythrocyte deformability in diabetes and erythrocyte membrane lipid composition.糖尿病中的红细胞变形性与红细胞膜脂质组成
Metabolism. 1990 Aug;39(8):794-8. doi: 10.1016/0026-0495(90)90121-r.
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A comparative study of hemorheological parameters in transient ischemic attack and acute ischemic stroke patients: possible predictive value.短暂性脑缺血发作和急性缺血性脑卒中患者血液流变学参数的比较研究:可能的预测价值
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[The effect of hypothermia on the structural-functional properties of erythrocyte membranes in albino rats].[低温对白化病大鼠红细胞膜结构功能特性的影响]
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Changes in plasma membrane viscosity and hemoporphyrin conformation in erythrocyte hemoglobin under the conditions of ischemia and reperfusion of rat brain.大鼠脑缺血再灌注条件下红细胞血红蛋白中质膜粘度和血卟啉构象的变化
Dokl Biochem Biophys. 2005 Nov-Dec;405:465-7. doi: 10.1007/s10628-005-0141-4.