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. 2020 Jul 16;10:11784. doi: 10.1038/s41598-020-68628-5

Figure 5.

Figure 5

Spleen tyrosine kinase (Syk) is activated by the incubation with 1% FBS or BAFF. (A) WiL2-NS cells were incubated with 20 ng/ml BAFF for 0.5, 1 and 2 h. (B–D) WiL2-NS cells were incubated in the RPMI 1,640 medium with 10% or 1% FBS in the presence or absence of BAY61-3606, Syk inhibitor (C) or BAFF (D). Cell lysates were prepared and western blotting was used to detect each phosphorylated Syk at tyrosine (Y)323, Y352 and Y525/526. All experiments were performed four times. Processing (such as changing brightness and contrast) is applied equally to controls across the entire image. Each band for Syk phosphorylation at Y525/526 was quantified by using ImageJ 1.34. Data in the bar graph represent the means ± SD. *p < 0.05; **p < 0.01; significant difference as compared to BAFF-untreated control with 10% FBS. &p < 0.05; significant difference as compared to BAY61-3606-untreated control with 1% FBS (C). #p < 0.05; significant difference as compared to BAFF-untreated control with 1% FBS (D).