Table 1

Differences in the staining scores of proteinases and inhibitors in each cell type of 44 breast tumours as assessed by immunohistochemistry

Tumour cellsFibroblastsInflammatory cells
Values are mean (range). *p<0.05; Wilcoxon signed rank test for related samples.
MMP, matrix metalloproteinase; TIMP, tissue inhibitor of metalloproteinases; tPA, tissue-type plasminogen activator; uPA, urokinase-type plasminogen activator.
MMP-11.8 (1–4)*1.3 (1–3)1.1 (1–3)
MMP-22.3 (1–4)*1.5 (1–2)1.3 (1–2)
MMP-31.6 (1–4)*1.2 (1–3)1.1 (1–3)
MMP-91.6 (1–3)1.6 (1–4)1.3 (1–4)
uPA2 (1–4)1.7 (1–4)1.2 (1–2)
tPA1.7 (1–4)*1.5 (1–3)1.2 (1–3)
TIMP-12.9 (1–4)*1.9 (1–4)1.5 (1–4)
TIMP-23.2 (1–4)*2.1 (1–4)2.1 (1–4)