Objective To prepare the Env-pseudotyped subtype B HIV-1 with enhanced green fluorescent protein ( EG-FP) gene,explore HIV-1 infection mechanisms and develop feasible methods of identification .Methods The Env-pseudo-typed viruses were packaged in HEK293T cells by cotransfection, and the reporter gene and P24 protein were detected by PCR, Western blot and ELISA .Reporter gene amplification , viral titration assay and a single round of infection assay were performed after the env-pseudotyped viruses infected HIV-1 permissive cell .Results and Conclusion A generation and identification method of the pseudotyped HIV-1 was established . The Env-pseudotyped subtype B HIV-1 has been prepared, which is able to infect SupT1 and TZM-bl cells through infection assay .
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