In vitro detection of circulating tumor cells compared by the CytoTrack and CellSearch methods

Autor: Thore Hillig, Sarah Nejlund, Peer Horn, Ann-Britt Nygaard, Anastasiya S. Haugaard, Ivan Brandslund, György Sölétormos
Jazyk: angličtina
Rok vydání: 2015
Předmět:
Zdroj: Tumour Biology
Hillig, T, Horn, P, Nygaard, A-B, Haugaard, A S, Nejlund, S, Brandslund, I & Soletormos, G 2015, ' In vitro detection of circulating tumor cells compared by the CytoTrack and CellSearch methods ', Tumor Biology, vol. 36, no. 6, pp. 4597-4601 . https://doi.org/10.1007/s13277-015-3105-z
ISSN: 1423-0380
1010-4283
Popis: Comparison of two methods to detect circulating tumor cells (CTC) CytoTrack and CellSearch through recovery of MCF-7 breast cancer cells, spiked into blood collected from healthy donors. Spiking of a fixed number of EpCAM and pan-cytokeratin positive MCF-7 cells into 7.5 mL donor blood was performed by FACSAria flow sorting. The samples were shipped to either CytoTrack or CellSearch research facilities within 48 h, where evaluation of MCF-7 recovery was performed. CytoTrack and CellSearch analyses were performed simultaneously. Recoveries of MCF-7 single cells, cells in clusters, and clusters were determined. The average numbers of MCF-7 cells/cells in clusters/clusters recovered from blood by the CytoTrack and CellSearch methods were 103 +/- 5.9/27 +/- 7.9/11 +/- 3.5 (95 % CI) and 107 +/- 4.4/20 +/- 7.1/10 +/- 3.5, respectively, with no difference between the two methods (p = 0.37/p = 0.23/p = 0.09). Overall, the recovery of CytoTrack and CellSearch was 68.8 +/- 3.9 %/71.1 +/- 2.9 %, respectively (p = 0.58). In spite of different methodologies, CytoTrack and CellSearch found similar number of CTCs, when spiking was performed with the EpCAM and pan cytokeratin-positive cell line MCF-7. The results suggest that CytoTrack and CellSearch have similar abilities to identify CTC in vitro.
Databáze: OpenAIRE