Bald Lentiviral Pseudovirion (eGFP Reporter)
The bald lentiviral pseudovirion was produced without envelope glycoproteins such as VSV-G or SARS-CoV-2 spike. It contains the eGFP gene driven by a CMV promoter (Figure 1) as the reporter. The bald lentiviral pseudovirion can serve as a negative control when studying virus entry initiated by specific interactions between virus particles and receptors.
Figure 1. Schematic of the eGFP Reporter in Bald Lentiviral Pseudovirion (eGFP Reporter)
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• HEK293 growth medium or use Thaw Medium 1 (BPS Bioscience #60187): MEM supplemented with 10% FBS, 1% non-essential amino acids (Hyclone #SH30238.01), 1 mM Na pyruvate (Hyclone #SH30239.01), 1% Penicillin/Streptomycin (Hyclone #SV30010.01).
• ACE2-HEK293 Recombinant Cell Line (BPS Bioscience, #79951)
• SARS-CoV-2 Spike Pseudotyped Lentivirus (eGFP Reporter) (BPS Bioscience, #79981)
The lentiviruses were produced from HEK293T cells in medium containing 90% DMEM + 10% FBS.