Multimodal nanoagents for the detection of intravascular thrombi.

Multimodal nanoagents for the detection of intravascular thrombi.
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DOI:
10.1021/bc9001163
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发表时间:
2009-06
影响因子:
4.7
通讯作者:
Jaffer FA
Jaffer FA
中科院分区:
化学2区
文献类型:
--
作者:
McCarthy JR;Patel P;Botnaru I;Haghayeghi P;Weissleder R;Jaffer FA

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血栓形成是许多危及生命的心血管综合征的基础。发展血栓特异性分子显像剂来检测和监测体内血栓形成和纤溶,可以改善血栓综合征的诊断、危险分层和治疗。为此,我们已经合成了针对血栓的两种不同成分,即纤维蛋白和活化因子XIII的高效多模式纳米药物。这些试剂通过肽靶向配体与荧光标记的磁性纳米颗粒表面的缀合而被靶向。正如体外和体内研究所证明的,这两种纳米药物对血栓具有高亲和力,并能够实现多模态荧光和磁共振成像。
Thrombosis underlies numerous life-threatening cardiovascular syndromes. Development of thrombosis-specific molecular imaging agents to detect and monitor thrombogenesis and fibrinolysis in vivo could improve the diagnosis, risk stratification, and treatment of thrombosis syndromes. To this end, we have synthesized efficient multimodal nanoagents targeted to two different constituents of thrombi, namely, fibrin and activated factor XIII. These agents are targeted via the conjugation of peptide-targeting ligands to the surface of fluorescently labeled magnetic nanoparticles. As demonstrated by in vitro and in vivo studies, both nanoagents possess high affinities for thrombi, and enable mutimodal fluorescence and magnetic resonance imaging.
蛋白水解活性动脉粥样硬化中炎症的实时导管分子传感。
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