EpCAM expression is an indicator of recurrence in basal-like breast cancer.

Abstract:

:Advances in the understanding of the molecular basis of breast cancer have necessitated a definition of more sensitive and specific indicators of prognosis that are central to the underlying cancer biology and that reflect the complicated and heterogeneous nature of the disease. This study investigates the expression of epithelial cell adhesion molecule (EpCAM) in breast cancer particularly basal-like phenotype group which remains unclear. EpCAM expression was assessed using immunohistochemistry in a large well-characterised series of breast carcinomas prepared as tissue microarrays. Relationships between EpCAM expression with molecular subtypes, clinicopathological variables and patients' outcome were examined. EpCAM expression was associated with higher tumour grade (P < 0.001), larger tumour size (P < 0.001) and basal phenotype (P = 0.03). Importantly, within the basal-like tumours those positive for EpCAM showed a significantly shorter DFI (LR = 7.97, P = 0.005) and MFS (LR 4.01, P = 0.045). EpCAM may play a role in breast cancer progression and its expression is associated with poor patient outcome in basal-like breast cancer, independent of other prognostic factors.

authors

Agboola AJ,Paish EC,Rakha EA,Powe DG,Macmillan RD,Ellis IO,Green AR

doi

10.1007/s10549-011-1813-7

subject

Has Abstract

pub_date

2012-06-01 00:00:00

pages

575-82

issue

2

eissn

0167-6806

issn

1573-7217

journal_volume

133

pub_type

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