Table 3 Pairwise comparison of the cellular and molecular characteristics of transfectants

From: Osteopontin expression correlates with adhesive and metastatic potential in metastasis-inducing DNA-transfected rat mammary cell lines

Pairwise comparisona

R2,b

P c

OPN mRNA level/plating efficiency

0.91

5.9 × 10−6d

OPN mRNA level/growth potential

0.03

0.63

OPN mRNA level/C9-Met-DNA copy no.

0.43

0.03d

OPN mRNA level/metastatic potential

0.74

0.0007d

OPN mRNA level/S100A4 mRNA level

0.16

0.23

S100A4 mRNA level/plating efficiency

0.21

0.16

S100A4 mRNA level/growth potential

0.01

0.76

S100A4 mRNA level/metastatic potential

0.21

0.16

S100A4 mRNA level/C9-Met-DNA copy no.

0.16

0.22

C9-Met-DNA copy no./metastatic potential

0.48

0.02d

Plating efficiency/metastatic potential

0.73

0.0008d

Growth potential/metastatic potential

0.2

0.17

  1. aNo. of cell lines tested by linear regression analysis is 11: nine clonal cell lines of the C9-Met-DNA-transfected cells plus the uncloned C9-Met-DNA-transfected Rama 37 cells and the parental Rama 37 cells.
  2. bLinear regression coefficient (R2).
  3. cProbability (P) that population lies on a straight line.
  4. dSignificant at a 5% level.
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