Circulating Tumor Cells (CTC)
Latest information on Circulating Tumor Cell (CTC) technology for clinical cancer management
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Sunday, December 25, 2016
Circulating tumor cells: back to the future
Circulating tumor cells: back to the future: Circulating tumor cells (CTCs) are rare and heterogeneous cells found in the peripheral blood of cancer patients. They are supposed to be a central component of metastatic dissemination and have been correlated with prognosis, progression-free survival and treatment efficacy in different solid tumors (1,2). Despite CTC significance, studies conducted on them still present considerable issues. In particular regarding to how CTCs should be investigated and to their actual metastatic competence and tumor heterogeneity reflecting dissimilar cancer cell subpopulations. Importantly, CTCs clinical utility has not been demonstrated and they cannot be utilized to guide therapeutic decisions. As reviewed by others (3), recent and currently ongoing clinical trials are trying to determine the predictive role of CTCs, but they are apparently failing to support definitive conclusions. Nevertheless, the results of these trials could shed a light on the real possibilities of CTCs. In our opinion, CTC troubleshootings will depend on what scientific community will explore about CTCs and the metastatic process. Only a deeper insight in base knowledge about CTCs and their role in tumor biology may help us in overcoming such hurdles.A huge amount of efforts have been made to solve these problems. In the last decade, a number of technical solutions have been evaluated to study CTCs. Based on biological and/or physical properties (4), each approach owns strengths and weaknesses. Up to now, the o...
Tuesday, March 29, 2016
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