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. 2020 Jul 20;34(10):2635–2647. doi: 10.1038/s41375-020-0977-8

Fig. 4. FcγRIIb mediates malignant BTK activation in Bcr-Abl-positive cells.

Fig. 4

a Western blot analyses of immortalized FcγRIIb+/+ and FcγRIIb−/− Bcr-Abl and ev (empty vector) BM cells were performed using the indicated antibodies. b FcγRIIb was retrovirally introduced into FcγRIIb−/−:Bcr-Abl cells and protein lysates were analyzed for BTK and ERK1/2 activation. c CFU assay using FcγRIIb+/+:ev, FcγRIIb−/−:ev, FcγRIIb+/+:Bcr-Abl, FcγRIIb−/−:Bcr-Abl, or FcγRIIb−/−:Bcr-Abl:FcγRIIb cells. Colony numbers were counted 7 days after seeding. Data are shown as mean ± SD. **p < 0.001 and ***p < 0.0001.