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Table 1 Recovery efficiency of spiked tumor cell lines in cryopreserved human PBMC samples

From: Detection of tumor-associated cells in cryopreserved peripheral blood mononuclear cell samples for retrospective analysis

Cell line Input cells Day 0a Day 7b Day 66 Mean (SD) %
Cells recovered, no. Recovery, % Cells recovered, no. Recovery, % Cells recovered, no. Recovery, %
MCF-7 4000 3620 90.5 3510 87.8 3560 89.0 89.1 (1.4)
PC-3 3000 2500 83.3 2560 85.3 2540 84.7 84.4 (1.0)
786-O 3000 2780 92.7 2480 82.7 2440 81.3 85.6 (6.2)
  1. aDay 0, before freezing
  2. bDay 7 and day 66, after freezing