Claudin 1 in Breast Tumorigenesis: Revelation of a Possible Novel “Claudin High” Subset of Breast Cancers

<table>Hypothetical model of breast tumorigenesis and progression. The stepwise progression of breast cancer is described as a continuum of lesions from epithelial hyperplasia to invasive carcinoma and eventually metastasis.</table>

BioMed Research International

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Figure 1

Figure 1: Claudin 1 in Breast Tumorigenesis: Revelation of a Possible Novel “Claudin High” Subset of Breast Cancers 