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Western blot of HT 29 colorectal cell line (positive control), human normal colon, and colorectal adenomas for (A) P-cadherin (120 kDa) and (B) E-cadherin (120 kDa). E-cadherin was expressed in normal colon whereas P-cadherin was not. Both P-cadherin and E-cadherin were expressed in all adenomas analysed.
