Increased immunoreactivity of plasma after fibrinolytic activation in an anti-DD ELISA system. Role of soluble crosslinked fibrin polymers.

Increased immunoreactivity of plasma after fibrinolytic activation in an anti-DD ELISA system. Role of soluble crosslinked fibrin polymers.
复制标题

在抗 DD ELISA 系统中纤溶激活后血浆的免疫反应性增加。

DOI:
10.1161/01.cir.79.3.666
复制
发表时间:
1989
期刊:
影响因子:
37.8
通讯作者:
Marder,VJ
Marder,VJ
中科院分区:
医学1区
文献类型:
--
作者:
Francis,CW;Doughney,K;Brenner,B;Klingbiel,K;Marder,VJ

文献摘要

参考文献

被引文献

相似文献

在正常血浆中加入低浓度的凝血酶后,通过十二烷基硫酸钠琼脂糖凝胶电泳发现交联纤维蛋白聚合物的逐步和显著增加,达到凝胶形成前总纤维蛋白原和纤维蛋白的27%。如通过酶联免疫吸附测定用对靠近γ-γ交联位点的表位具有特异性的单克隆抗体所测量的,在加入凝血酶后,尽管形成交联的纤维蛋白聚合物,但血浆的免疫反应性没有增加,这表明抗体不识别聚合物中的表位。此外,组织型纤溶酶原激活剂(t-PA)的血浆中导致更快的降解纤维蛋白聚合物比纤维蛋白原,这表明纤维蛋白特异性的t-PA保留与可溶性纤维蛋白。与血浆交联纤维蛋白聚合物的降解一致,血浆DD免疫反应性从50.3 +/-4.5(平均值+/-SD)增加70倍至3,560 +/-1,235 ng/ml。通过向血浆中加入凝血酶产生的交联纤维蛋白聚合物的存在显著增加了t-PA诱导降解后的最大免疫反应性,达到18,500 +/-11,780 ng/ml。DD免疫反应性的增加依赖于t-PA浓度;低于0.01 μ g/ml时未出现升高,高于100 μ g/ml时出现最大升高。凝血酶和t-PA处理的血浆样品的凝胶电泳图谱的分析表明,DD反应的t-PA处理的血浆主要是由于可溶性交联纤维蛋白聚合物的降解。我们的研究结果表明,血浆中可溶性纤维蛋白聚合物的血浆降解可能是溶栓治疗过程中DD片段的重要来源。
After addition of a low concentration of thrombin to normal plasma, a progressive and significant increase in crosslinked fibrin polymers was found by sodium dodecyl sulfate agarose gel electrophoresis, reaching 27% of total fibrinogen and fibrin before gel formation. As measured by enzyme-linked immunosorbent assay with a monoclonal antibody specific for an epitope near the gamma gamma crosslink site, increased immunoreactivity of plasma did not occur after adding thrombin despite formation of crosslinked fibrin polymers, which indicates that the antibody does not recognize the epitope in the polymers. Addition of tissue-type plasminogen activator (t-PA) to plasma resulted in a more rapid degradation of fibrin polymers than of fibrinogen, indicating that the fibrin specificity of t-PA is retained with soluble fibrin. Coincident with degradation of plasma crosslinked fibrin polymers, plasma DD immunoreactivity increased 70-fold from 50.3 +/- 4.5 (mean +/- SD) to 3,560 +/- 1,235 ng/ml. The presence of increased crosslinked fibrin polymers produced by adding thrombin to plasma significantly increased maximum immunoreactivity after t-PA-induced degradation to 18,500 +/- 11,780 ng/ml. The increase in DD immunoreactivity was dependent on t-PA concentration; no elevation occurred below 0.01 micrograms/ml, and maximal increases occurred above 100 micrograms/ml. Analysis of gel electrophoretic patterns of thrombin and t-PA-treated plasma samples suggests that the DD reactivity of t-PA-treated plasma is mainly due to degradation of soluble crosslinked fibrin polymers. Our findings indicate that plasmic degradation of soluble fibrin polymers in plasma may be an important source of fragment DD during thrombolytic therapy.
纤溶酶诱导的交联纤维蛋白降解产物的亚基结构。
DOI: --
发表时间: 1973
期刊: Biochimica et Biophysica Acta
影响因子: --
作者:
P. J. Gaffney;M. Brasher
通讯作者: M. Brasher
重组组织型纤溶酶原激活剂冠状动脉溶栓
DOI: 10.1016/0736-4679(86)90020-x
发表时间: 1986
影响因子: 6.2
作者:
T. Drake
通讯作者: T. Drake
纤维蛋白血栓和可溶性血浆衍生物的凝血酶活性。
DOI: --
发表时间: 1983
期刊: The Journal of laboratory and clinical medicine
影响因子: --
作者:
Francis,CW;MarkhamJr,RE;Barlow,GH;Florack,TM;Dobrzynski,DM;Marder,VJ
通讯作者: Marder,VJ
血浆中纤维蛋白原和纤维蛋白降解产物的区别。
DOI: 10.1016/0009-8981(75)90341-1
发表时间: 1975
期刊: Clinica chimica acta; international journal of clinical chemistry
影响因子: --
作者:
P. J. Gaffney
通讯作者: P. J. Gaffney
通过快速定量分光光度测定法测定血浆中的可溶性纤维蛋白
DOI: 10.1055/s-0038-1661519
发表时间: 1986
影响因子: 6.7
作者:
B. Wiman;M. Rånby
通讯作者: M. Rånby