Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 64, Issue -, Pages 173-182Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2014.09.008
Keywords
Aptamer; Biomarker; Cancer; Circulating tumor cell; lmmunomagnetic separation; Microfluidics; Polymerase chain reaction; Telomerase
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Funding
- Ministry of Education, Republic of Singapore [R-143-000-588-112]
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Circulating tumor cells (CTCs) are tumor cells dislodged from tumors into the bloodstream. In the past two decades, numerous studies have suggested that CTCs play a major role in cancer metastasis. As such, CTCs are currently considered potentially important cancer biomarkers that may significantly improve cancer diagnosis and prognosis, aid drug development and offer personalized treatments for cancer patients. So accurate enumeration or detection of CTCs is a highly sought after technology to improve cancer management. However, the rarity of CTCs poses significant challenges to the sensitivity and the reliability of their detection. We thoroughly review state-of-the-art detection technologies for CTCs to help researchers in the development of more efficient CTC detection technologies. In this review, we summarize recent advances in the detection of CTCs. We also assess emerging techniques for CTC detection, such as telomerase-based and aptamer-based assays. (C) 2014 Elsevier B.V. All rights reserved.
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