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The association between MCM4 expression and histological grading of breast cancers. (A) Protein expression of MCM4 determined by immunohistochemical staining in 91 breast cancer specimens with different histological grading. (B-E) Relative expression of MCM4 mRNA determined by microarray analysis in breast cancer specimens with different histological grading in (B) GSE1456, (C) GSE3494, (D) GSE7390 and (E) GSE11121 breast cancer datasets.
