Molecular imaging of experimental abdominal aortic aneurysms.

Molecular imaging of experimental abdominal aortic aneurysms.
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DOI:
10.1155/2013/973150
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发表时间:
2013
影响因子:
--
通讯作者:
Goergen CJ
Goergen CJ
中科院分区:
其他
文献类型:
--
作者:
Ramaswamy AK;Hamilton M 2nd;Joshi RV;Kline BP;Li R;Wang P;Goergen CJ

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目前腹主动脉瘤(AAA)病的实验室研究多采用基因操作或化学方法诱导的小动物实验模型。这导致了多种高分辨率分子成像方式的使用和发展,这些方式能够跟踪疾病进展,量化炎症的作用,并评估潜在治疗方法的效果。体内成像减少了使用的研究动物的数量,提供了分子和细胞信息,并允许进行纵向研究,这在跟踪单个动物的血管扩张时是必要的。本文概述了已建立的和新兴的用于AAA疾病研究的分子成像技术的发展。除了用于解剖成像的典型方式,包括超声(US)和计算机断层扫描(CT)之外,以前的分子成像努力使用了磁共振(MR)、近红外荧光(NIRF)、生物发光、单光子发射计算机断层扫描(SPECT)和正电子发射断层扫描(PET)。小鼠和大鼠的AAA模型有望提供对潜在疾病机制的洞察,先进的分子成像技术的发展,如果在临床上有用,可能具有翻译潜力。这些努力可能有助于改善动脉瘤的管理,并更好地评估人类AAA疾病新疗法的治疗潜力。
Current laboratory research in the field of abdominal aortic aneurysm (AAA) disease often utilizes small animal experimental models induced by genetic manipulation or chemical application. This has led to the use and development of multiple high-resolution molecular imaging modalities capable of tracking disease progression, quantifying the role of inflammation, and evaluating the effects of potential therapeutics. In vivo imaging reduces the number of research animals used, provides molecular and cellular information, and allows for longitudinal studies, a necessity when tracking vessel expansion in a single animal. This review outlines developments of both established and emerging molecular imaging techniques used to study AAA disease. Beyond the typical modalities used for anatomical imaging, which include ultrasound (US) and computed tomography (CT), previous molecular imaging efforts have used magnetic resonance (MR), near-infrared fluorescence (NIRF), bioluminescence, single-photon emission computed tomography (SPECT), and positron emission tomography (PET). Mouse and rat AAA models will hopefully provide insight into potential disease mechanisms, and the development of advanced molecular imaging techniques, if clinically useful, may have translational potential. These efforts could help improve the management of aneurysms and better evaluate the therapeutic potential of new treatments for human AAA disease.
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