PET Imaging of Integrin αVβ3 Expression.

PET Imaging of Integrin αVβ3 Expression.
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DOI:
10.7150/thno/v01p0048
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发表时间:
2011-01-17
期刊:
影响因子:
12.4
通讯作者:
Schwaiger M
Schwaiger M
中科院分区:
医学1区
文献类型:
--
作者:
Beer AJ;Kessler H;Wester HJ;Schwaiger M

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整合素 αvβ3 表达的 PET 成像已受到学术界和业界最近的深入研究。整合素αvβ3表达的成像具有巨大的潜在价值,因为整合素αvβ3在肿瘤转移和血管生成中发挥着关键作用。因此,该靶标的 PET 成像可能是血管生成和肿瘤转移潜力的合适体内生物标志物。在本手稿中,将总结整合素 αvβ3 PET 成像的各种策略,包括单体和多聚放射性标记 RGD 肽和纳米颗粒。虽然大多数实验是使用临床前肿瘤模型进行的,但越来越多的 αvβ3 表达 PET 成像临床结果可用,并将详细讨论。然而,虽然多种放射性示踪剂策略已成功评估用于 αvβ3 PET 成像,但这种新成像生物标志物的最终临床价值仍需在大型临床试验中进行评估。
PET imaging of integrin αvβ3 expression has been studied intensely by the academia and recently also by the industry. Imaging of integrin αvβ3 expression is of great potential value, as the integrin αvβ3 is a key player in tumor metastasis and angiogenesis. Therefore PET imaging of this target might be a suitable in-vivo biomarker of angiogenesis and metastatic potential of tumors. In this manuscript, the various strategies for PET imaging of the integrin αvβ3 will be summarized, including monomeric and multimeric radiolabelled RGD peptides and nanoparticles. While most experiments have been performed using preclinical tumor models, more and more clinical results on PET imaging of αvβ3 expression are available and will be discussed in detail. However, while a multitude of radiotracer strategies have been successfully evaluated for PET imaging of αvβ3, the ultimate clinical value of this new imaging biomarker still has to be evaluated in large clinical trials.
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