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. 2007 Nov 27;111(4):2280–2289. doi: 10.1182/blood-2007-07-100032

Figure 7.

Figure 7

Cells that express high levels of LMP1 regenerate a daughter population with a broad distribution of levels of expression of LMP1. (A) EBV-positive strains expressing LMP1-mRFP were sorted for cells expressing low, medium, or high levels of mRFP and analyzed by FACS analysis and Western blotting using anti-LMP1 and antitubulin antibodies. (B) Cells sorted for low, medium, or high levels of mRFP were plated in 96-well plates. The clones were allowed to grow for 4 to 6 weeks. Proliferating cell clones were expanded and analyzed on FACS Vantage. Data were analyzed with FlowJo software. The broad distribution of LMP1 observed in EBV-positive strain cells expressing LMP1-mRFP was confirmed to be comparable with that observed in 721 cells by fixing the cells and staining with anti-LMP1 antibodies (data not shown).