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- Title
Imaging of integrins as biomarkers for tumor angiogenesis.
- Authors
Cai, Weibo; Niu, Gang; Chen, Xiaoyuan
- Abstract
The integrin family plays important roles during tumor angiogenesis, the formation of new blood vessels from pre-existing vasculature. Traditional structural and functional imaging techniques are not sufficient for early lesion detection, patient stratification, or monitoring the therapeutic efficacy against cancer. Molecular imaging, the visualization, characterization and measurement of biological processes at the molecular and cellular levels in humans and other living systems, can fulfill these goals. In this review article, we will summarize the current state-of-the-art of imaging integrin (alpha(2)beta(1), alpha(3)beta(1), alpha(4)beta(1), alpha(v)beta(3), and alpha(v)beta(6)) expression using either single molecular imaging modality (magnetic resonance imaging, ultrasound, optical, single photon emission computed tomography, and positron emission tomography) or a combination of different modalities. For clinical translation, radionuclide-based imaging will have broad potential applications in cancer patients and the currently available clinical data (exclusively on integrin alpha(v)beta(3) so far) will be discussed in detail. The design, optimization, and characterization of imaging agents targeting integrins will be presented and areas needing extensive future research effort will be discussed. In the new era of personalized medicine, fast clinical translation and incorporation of integrin imaging into anti-cancer clinical trials will be critical for the maximum benefit of cancer patients.
- Publication
Current pharmaceutical design, 2008, Vol 14, Issue 28, p2943
- ISSN
1873-4286
- Publication type
Journal Article
- DOI
10.2174/138161208786404308