Table 2

Tumorigenicity of cells from pleural effusion mammospheres

Sample
Average size of mammospheres (μm)
Percentage of CD44+/CD24low/- cells
Tumorigenicity

PE88
20
37
0/3a
PE62
20
13.2
0/3
PE6
30
1.5
0/3
PE43
50
9.9
0/3
06PE8
70
70.6
4/7
06PE6
100
15.3
1/3
PE14
100
All cells CD24- and CD44-
5/7
PE66
130
6.8
1/3

Mice were injected with 5,000 cells from disrupted mammospheres as described in Materials and methods. aThe ratio of mice developing tumours over mice injected. PE, pleural effusion.

Grimshaw et al. Breast Cancer Research 2008 10:R52   doi:10.1186/bcr2106