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DNA plasmids for in vitro transcription. (a) The second generation CAR (CD19RCD28) cDNA under control of T7 promoter. (b) EGFP cDNA under control of T7 promoter. Amp(R): Ampicillin resistance, Kan(R): Kanamycin resistance, Hygro(R): Hygromycin resistance, BGH: bovine growth hormone
