| Method | Reference | Based on | Detection marker | Characterization marker |
| AdnaTest Breast Cancer | [60, 65, 66] | PCR | EpCAM, MUC1 | MUC1, GA733-2, HER2 | AdnaTest EMT-1/stem cell | [17, 20] | PCR | EpCAM, MUC1 | TWIST, Akt2, PI3K, ALDH1 | CellSearch CTC Kit | [24, 61, 62] | Antibody | EpCAM | CK 8, CK 18, CK 19, CD45, DAPI, HER2, EGFR, CD44 | CellSearch Profile Kit | [63, 64] | Antibody | EpCAM | To be determined; for example, ALDH1 | CTC-Chip | [67] | Antibody | EpCAM | Cytokeratin, CD45, DAPI | Ficoll/immunocytochemistry | [58, 59, 73, 79] | Antibody | To be determined; for example, EpCAM, Cytokeratin | To be determined; for example, CD44, CD24, ALDH1 | Filtration | [70, 71] | Filtration | To be determined; for example, CK 8, CK 18, CK 19, CD45 | To be determined | Flow cytometry | [80] | Antibody | EpCAM, ALDH1 | CD44, CD24 | Herringbone-chip | [68, 69] | Antibody | EpCAM, HER2, EGFR | EpCAM, CK 5, CK 7, CK 8, CK 18, CK 19, cadherin 1, cadherin 2, SERPINE1/PAI1, fibronectin 1 |
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