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(A) RNAs from different cervical carcinoma cell lines and derived somatic cell hybrids were reverse transcribed and the RT-PCR products of LKB1 and GAPDH were separated on a 1% agarose gel. (B) The indicated cell lines were treated for 24 h with 4 mM AICAR. For immunoblot analysis, total protein extracts were incubated with antibodies against PARP and actin. The arrow indicates the PARP cleavage product.
