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(A) Reverse transcription-semiquantitative polymerase chain reaction detection of β-catenin messenger rna in the (1) blank control, (2) negative control, (3) liposome and (4) transfected groups. (B) Expression of β-catenin was significantly reduced in the β catenin small interfering RNA experimental group compared with the blank control, negative control and liposome groups. *P<0.05.
