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. 2010 Oct 25;11:83. doi: 10.1186/1471-2121-11-83

Table 4.

U937 cells' functional status after the freezing - thawing cycle.

Parameters measured (au) Cell status and subgroups

Live cells (62%) Late apoptosis (18%) Early apoptotic cells

Total (19%) MMP (+) (5%) MMP (-) (14%)
TMRM mean FI 1476 ± 331 Negative 242.7 ± 155.6 429 ± 131 Negative

TMRM FI SD 652 ± 249 Negative 97.2 ± 11.2 141 ± 47 Negative

FDA slop 36.1 ± 11.36 Negative 9.6 ± 11.2 11 ± 7.1 9.05 ± 12.2

U937 cells underwent a freezing - thawing cycle as described in Materials and Methods. Overnight after thawing the multi-parametric analysis was performed and four parameters were elicited for each single cell. The cell subgroups were defined as described in Multi-parametric analysis following the freezing - thawing cycle in the i3C section. Values are average ± SD in individual cells' subgroups. The percentage of each subgroup from the total population in a representative experiment is shown in brackets.