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Fig. 2 | Virology Journal

Fig. 2

From: Overexpression of bovine leukemia virus receptor SLC7A1/CAT1 enhances cellular susceptibility to BLV infection on luminescence syncytium induction assay (LuSIA)

Fig. 2

Comparison of quantitative analysis of cell-to-cell infection by LuSIAs using CC81-GREMG-CAT1 and CC81-GREMG. a CC81-GREMG-CAT1 or CC81-GREMG cells (2 × 105 cells/well) were cultured with or without 5000 cells/well of FLK-BLV cells, which are productively infected by BLV at 37 °C for 24, 48, and 72 h. Fluorescent syncytia were detected with an EVOS2 fluorescence microscope (Thermo Fisher Scientific) and analyzed with HCS studio software (Thermo Fisher Scientific). The scale bar (white bars) indicates 275 μm. b Correlation of the number of EGFP-expressing syncytia and FLK-BLV cell number, when CC81-GREMG-CAT1 or CC81-GREMG cells were cultured with serially diluted FLK-BLV cells (10,000, 5000, 2500, 1250, 625, 312, 156, 78, 39, 20, 10, 0 cells/well) for 24 and 72 h. The results indicate the mean and standard deviation of three independent experiments

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