CISH reporter plasmid was kindly supplied by Dr. Clevenger [21 (link)]. pGL4.33[luc2P/SRE/Hygro] (MEK-Erk response element, Promega #E1340); pGL4.29[luc2P/CRE/Hygro] (cAMP response element, Promega #E8471); 4xM67 pTATA TK-Luc (Stat3 response element, Addgene #8688) are commercially available. pRL-SV40 (Addgene #E2231) was used as transfection efficiency control.
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