From: Comparison of mammosphere formation from stem-like cells of normal breast, malignant primary breast tumors, and MCF-7 cell line
S. no.
Mammosphere
Day 0 (%)
Day 7 (%)
Day 14 (%)
Day 21 (%)
1
Primary tumors
3.6 ± 1.7
9.6 ± 2.3
16.4 ± 1.1
27.4 ± 9.2
2
MCF-7
49.0 ± 3.5
63.8 ± 7.3
77.3 ± 6.8
86.5 ± 2.1