ERO1A and cancer: Of interest to our laboratory was the finding that ERO1A protein expression correlated with LAMC2 and LAMB3 (Fig. 3E) protein expression, both of which are components of Laminin 332, a matrix protein that has been shown to support the cancer stem cell phenotype and, similar to ERO1A, is reported to be a poor prognostic indicator of survival in cancer26,18.