Abstract

This protocol was repeated for a total of three cycles. After the last cycle, cells isolated from the colon were restimulated in vitro with PMA/ionomycin for 5 h and subjected to intracellular staining for GFP, IL-17, and Foxp3. Histograms (from left to right) report percent GFPTCR-β cell subsets in total T cells (see ), total numbers of RORγt Tαβ cells present in the organ, and the ratio of IL-17–producing to Foxp3 cells within RORγt Tαβ cells (see ). Right panels show immunofluorescence histology of a colon from a healthy or a treated mouse. Bar, 100 μm. (B) mice were infected intranasally with 100 PFUs of influenza A virus for 7 d. Cells were then isolated from the lung and processed as in A. Right panels show immunofluorescence histology of a lung from healthy or an infected mouse. Bar, 50 μm. (C) Cells were isolated from the mesenteric LNs of a 4-mo-old × mouse and processed as in A. Right panels show immunofluorescence histology of a mesenteric LN from a normal or a tumor-bearing mouse. Bar, 100 μm. Data shown are representative of at least three independent experiments. Three to four mice were analyzed per group. *, P < 0.05 as compared with control (mock-treated or WT mice).<p><b>Copyright information:</b></p><p>Taken from "In vivo equilibrium of proinflammatory IL-17 and regulatory IL-10 Foxp3 RORγt T cells"</p><p></p><p>The Journal of Experimental Medicine 2008;205(6):1381-1393.</p><p>Published online 9 Jun 2008</p><p>PMCID:PMC2413035.</p><p></p

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