RetroMax Retroviral Expression System
Thee RetroMax system is designed for maximal virus titer in 293 cells2. It takes advantages of two properties of 293 cells, i) high level of transfectibility, ii) strong E1A-mediated stimulation of CMV promoter controlled transcription. 293 cells are of nonmurine origin, hence the problem of selective packaging and transfer of VL30 genomes (present in all murine packaging cells) are avoided. Vector supernatants are free of helper virus and are of sufficiently high titer within 2 days of transient transfection in 293 cells to permit infection of more than 50% of dividing target cells in culture.
pCL vectors: Expression vectors: pCLXSN, pCLNCX, pCLNDX, pCLNRX
Reporter vector: pCLMFG-LacZ
Packaging constructs: pCL-Eco, pCL-Ampho, and pCL-10A1
Transfection kit: Optimized for transfecting cells with pCL vectors.
IMGENEX, 11175 Flintkote Avenue, Ste. E, San Diego, CA 92121. Tel: 858-642-0978; Fax: 858-642-0937.