Journal
CANCER LETTERS
Volume 376, Issue 2, Pages 205-210Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2016.03.051
Keywords
Circulating tumor cells; Early breast cancer; Liquid biopsy; Clinical evidence
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Circulating tumor cells (CTCs) are cellular elements of undeniable significance that spread from the tumor mass into the peripheral blood and constitute one of the main vehicles for disease diffusion. Their rarity, in addition to a number of molecular and cellular features, has severely impaired research and exploitation. CTCs have been evaluated in early breast cancer (EBC), although long from being fully accepted in this field also due to a lack of technical standardization. CTCs hold promise to be a powerful non-invasive real-time measurable biomarker in all disease stages. This hypothesis is particularly appealing in the adjuvant setting of breast cancer, as it still lacks a marker that could play a central role in monitoring disease-free intervals, predicting early relapse and guiding drug selection. This review aimed to discuss CTC characteristics and show the main results of CTC-research in EBC setting, stating the urgency to continue basic and translational research in this field to definitely translate this marker from bench to bedside. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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