Figure 2From: The functional loss of the retinoblastoma tumour suppressor is a common event in basal-like and luminal B breast carcinomasThe expression of RB1, p16INK4a and cyclin D1 varies across the breast cancer intrinsic subtypes. Box plot comparisons of (a) Retinoblastoma (RB) 1, (b) proliferation signature, (c) p16INK4a and (d) cyclin D1 mRNA expression relative to the five intrinsic subtypes as defined by the five-class centroid predictor.Back to article page