Table 1 Viscoelastic parameters of studied cell lines. Mean ± s.d. (median ± m.a.d.).

From: Measuring nanoscale viscoelastic parameters of cells directly from AFM force-displacement curves

Cell line

E Hertz (kPa)

E 0 (kPa)

α

α data from AFM microrheology experiments* (mean ± S.E.M.)

NIH 3T3 (N = 69)

2.1 ± 1.5 (1.9 ± 0.7)

3.7 ± 2.3 (3.4 ± 1.3)

0.11 ± 0.03 (0.11 ± 0.01)

0.15 ± 0.01

NMuMG (N = 60)

3.0 ± 1.8 (2.6 ± 1.1)

6.2 ± 3.8 (5.6 ± 2.2)

0.11 ± 0.04 (0.11 ± 0.02)

0.16 ± 0.02

MDA-MB-231 (N = 69)

0.55 ± 0.39 (0.44 ± 0.17)

1.3 ± 0.65 (1.3 ± 0.4)

0.17 ± 0.06 (0.16 ± 0.04)

0.22 ± 0.01

MCF-7 (N = 74)

0.26 ± 0.1 (0.23 ± 0.07)

1.2 ± 0.4 (1.1 ± 0.3)

0.25 ± 0.04 (0.25 ± 0.03)

0.25 ± 0.02

  1. N is the number of measured cells. All cell lines were at 60–80% confluence during the experiment. *Data from ref. 2.
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