From: An imbalance in progenitor cell populations reflects tumour progression in breast cancer primary culture models
Proliferation:Senescence ratio
Non-tumour (P n = 4; S n = 4)
1.9
Low-grade tumours (P n = 5; S n = 4)
9.5
High-grade tumours (P n = 7, S n = 8)
23.8