Do you have a protocol for transfection of macrophage cell lines (J774.A1 and RAW 264.7) with siRNA?
FAQ ID -1251

Yes, please follow the protocol "Transfection of Macrophage Cell Lines, Including J774.A1 and RAW 264.7, with siRNA in 24-Well Plates" in the HiPerFect Transfection Reagent Handbook.