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. 2021 Mar 2;12(2):e00143-21. doi: 10.1128/mBio.00143-21

FIG 4.

FIG 4

HSV-1 and VSVΔG-BHLD entry requires cellular cholesterol but not caveolin-1. C10 (A and B) and CHO-HVEM (C and D) cells were pretreated with a cholesterol-removal drug methyl-β-cyclodextrin (MβCD; 5 mM) and infected with HSV-1 (A and C) or VSVΔG-BHLD (B and D) at an MOI of 1. Infectivity was quantitated by flow cytometry at 6 h postinfection. (E) CHO-HVEM cells were transfected with a caveolin-1 siRNA (cav-1) or a scrambled control siRNA (scr) (both 50 pm) and infected with HSV-1 or VSVΔG-BHLD at an MOI of 1. Infectivity was quantitated by flow cytometry at 6 h postinfection. Significance was calculated using a two-tailed Student’s t test with Welch’s correction. *, P < 0.05; **, P < 0.01. (F) Western blot analyses, using antibody clone 4H312 (Santa Cruz Biotechnology), of caveolin-1 knockdown in CHO-HVEM cells (representative of three Western blots, one from each biological replicate). (G) Western blot analysis, using antibody clone 4H312 (Santa Cruz Biotechnology), of caveolin-1 levels in C10, CHO-HVEM, and 3T12 cells.