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Correlation between β-catenin and pERK1/2 in human bladder UCC TMA. IHC of benign and UCC bladder samples revealing no β-catenin, pERK1/2 or p21 expression (a–c). In the UCC samples there was expression of nuclear β-catenin (d) corresponding upregulation of pERK1/2 (b), with scattered expression of p21 (c). Scatterplot demonstrating correlation between β-catenin and pERK1/2 (d). Each core size is 1.5 mm
