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. 1999 Nov 23;96(24):13956–13961. doi: 10.1073/pnas.96.24.13956

Figure 1.

Figure 1

Stat1 serine phosphorylation in response to signals of inflammation and stress. Bac1.2F5 macrophages were treated for 25 min with IFN-γ, LPS, or TNF-α or were irradiated with UV (40 J/m2). Cellular extracts were assayed in Western blots for STAT Ser727 phosphorylation and Stat1 expression.