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Table 1 Effects of matrix fixation and NHE1 expression on cell migration and morphology

From: MMP3 activity rather than cortical stiffness determines NHE1-dependent invasiveness of melanoma cells

Matrix

Native

Fixed

NHE1 expression

Mock control (n = 30; N = 5)

Overexpressed (n = 40; N = 3)

Mock control (n = 40; N = 3)

Overexpressed (n = 41; N = 3)

Speed [µm min−1]

0.44 ± 0.03

0.034 ± 0.02

0.48 ± 0.04

0.13 ± 0.01

Net distance [µm]

61.92 ± 9.42

45.17 ± 5.6

57.92 ± 9.07

11.93 ± 2.33

Total distance [µm]

130.92 ± 8.61

103.12 ± 5.78

143.37 ± 10.67

37.84 ± 2.83

Directionality

0.45 ± 0.05

0.44 ± 0.04

0.38 ± 0.04

0.28 ± 0.04

Structural index

0.43 ± 0.03

0.5 ± 0.02

0.3 ± 0.01

0.42 ± 0.02

Area [µm2]

888 ± 112

1115 ± 84

1251 ± 78

1298 ± 94

  1. Data are shown as mean ± SEM For p values and further information, please see text