SUPPLEMENTARY INFORMATION RORγt+ innate lymphoid cells regulate intestinal homeostasis by integrating negative signals from the symbiotic microbiota Shinichiro Sawa1,2, Matthias Lochner1,2,3, Naoko Satoh-Takayama4,5, Sophie Dulauroy1,2, Marion Bérard 6, Melanie Kleinschek7, Daniel Cua7, James P. Di Santo4,5 and Gérard Eberl1,2 1 Institut Pasteur, Lymphoid Tissue Development Unit, 75724 Paris, France 2 CNRS, URA1961, 75724 Paris, France 3 Institute of Infection Immunology, TWINCORE, Centre for Experimental and Clinical Infection Research; a joint venture between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany 4 Institut Pasteur, Innate Immunity Unit, 75724 Paris, France 5 Inserm, U668, 75724 Paris, France 6 Institut Pasteur, Animalerie Centrale, 25 rue du Dr Roux, 75724 Paris, France 7 Merck Research Laboratories, DNAX Discovery Research, 94304 Palo Alto, USA 1 Nature Immunology doi:10.1038/ni.2002 a 8 weeks SI-LPL SI-IEL mLN Spleen 105 104 2.6 CD3ε 103 8.0e-3 0.12 0.03 102 0 0 102 103 104 105 RORγt (GFP) b % of Max events B220+ 30 CD11c+ CD11b+ 0 0 0 20 10 0 0 102 103 104 105 RORγt (GFP) Supplementary Figure 1 ROR t+ ILCs in IELs and secondary lymphoid tissues. (a ) ROR t+ ILCs in the SI-LPL, intraepithelial lymphocytes (IEL), mesenteric lymph nodes (mLN) and spleen of 4 weeks old Rorc( t)-GfpTG mice. Data are representative of n = 4 mice. (b) ROR t (GFP) expressions in SI-LPL B220+, CD11c+ or CD11b+ cells. Numbers indicate percent positive cells. Data are representative of n = 3 mice. 2 Nature Immunology doi:10.1038/ni.2002 a 0.8 22 2.9 0.2 53 25 76 21 2.8 12 3.5 15 2 weeks 105 105 4 4 10 3 103 10 8 weeks 102 0 67 0 19 102 103 104 CD3ε IL-22 10 102 0 69 0 105 12 102 103 104 105 CD4 RORγt (GFP) b LTi4 10 26 25 39 24 15 22 E.16 fetus 105 1 RORγt+ CD4+ T 1 10 RORγt+ γδ+ T 1 Isotype 3 105 104 104 103 103 102 0 41 0 20 76 102 103 104 1 35 54 57 39 RatIgG1 IL-22 4 weeks NKp46+ 0 0 102 0 99 0 105 IL-17A 0.8 102 103 104 105 RatIgG1 Trance expression (relative) c 102 * Supplementary Figure 2 The production of pro-inflammatory cytokines by R OR t+ ILCs. (a) Small intestinal lamina propria leukocytes (SILPL) from 2 weeks and 8 weeks old Rorc( t)-GfpTG mice were analyzed by flow cytometry. The production of IL-22 1 was assessed by intracellular cytokine staining after 3 hours of stimulation with PMA/ionomycine e x vivo, and IL-22+ ROR t+ cells were further analyzed for the expression of E15 2 weeks 8 weeks CD3 and CD4. Numbers indicate percent cells per quadrant. The data are representative of three independent experiments. (b) ROR t+ ILCs from E16 mice, and ROR t+ ILCs, ROR t+ CD4+ T cells and ROR t+ T cells from 4 weeks old mice were analyzed for intracellular expression of IL-17 and IL-22 after 3 hours stimulation ex vivo with PMA/ionomycin. Data are representative of 3 independent experiments. (c) SI-LPL from E15, 2 w eeks and 8 weeks old Rorc( t)-GfpTG mice were analyzed by real-time qPCR for the expression of transcripts for TRANCE. Data are mean of three independent experiments. *P < 0.05, unpaired t-test. LTi4 NKp46+ LTi4 NKp46+ LTi4 10 3 Nature Immunology doi:10.1038/ni.2002 a CD3- RORγt+ 105 105 104 104 CD4- NKp46105 104 CD3ε 102 103 102 0 0 102 103 104 105 ckitL 102 0 RORγt (GFP) b 103 IL-7Rα 21 103 NKp46 2 weeks 0 102 103 104 0 105 0 CD4 * LTi0 c-kitL LTi0 1 8 weeks 8 weeks % of Max events 10 2 weeks 100 105 ckitL 63±3.7 43±4.4 28±2.7 22±2.3 60 40 20 0 0 102 103 104 105 LTi0 ckitL 102 33±4.2 16±2.8 4.3±1.1 10±1.8 2 weeks 0 102 8 weeks Ifng expression (relative) 102 * 10 104 105 102 10 ND ND ND 1 LTi0 c-kitL LTi0 LTi0 c-kitL 1 2 weeks 103 IL-17A 8 weeks 2 weeks Supplementary Figure 3 LTi0 2 weeks c-kitL LTi0 c-kitL LTi0 8 weeks c-kitL ND ND 1 % of Max events 10 c-kitL Il17a expression (relative) 104 80 IL-22 Lta expression (relative) 103 2 weeks 102 c-kitL Il22 expression (relative) * 102 c-kit LTi0 103 30 LTi 0 53 66 8 weeks The production of pro -inflammatory cytokines by CD4- NKp46- ROR t+ ILCs. (a) SI-LPL from 2 weeks old Rorc( t)-GfpTG mice were analyzed by flow cytometry. CD4-NKp46- ROR t+ILCs were subdivided into c -kithi (LTi0) and c-kitlo (c-kitL) cells. Data are representative of at least n = 8 mice. (b) Expression of transcripts and proteins for IL-22, IL-17, LT and IFN by LTi0 and c-kitL cells from 2 weeks and 8 weeks old Rorc( t)-GfpTG mice. Intracellular IL-22 and IL-17 protein expression was measured after 3 hours stimulation ex vivo with rIL23 or PMA/ionomycin, respectively. The data are representative of five independent experiments. In histograms, numbers are mean of n = 10 mice ± S.E.M percentages of IL-22+ or IL-17+ cells. *P < 0.05, unpaired t-test, ND, non-detected. 4 Nature Immunology doi:10.1038/ni.2002 b c NS NS NS 25 20 103 15 102 10 5 SPF GF PBS IL-25 i.p WT IL-25 KO PBS IL-25 i.p d LTi4 1 0 1 10 LTi4 NKp46+ 10 NS 104 Il23r expression (relative) NS * IL-23 (pg/ml) Il23 expression (relative) 102 NKp46+ a +PBS +IL-25 e PMA+ Iono rIL-23 15±4.2 PMA+ Iono 23±7.7 19±4.6 PBS WT 3.0 13±8.5 16±3.9 21±6.1 Anti-IL-23R p19-KO p19-KO +IL-25 104 CD3ε 103 2.3 102 0 100 100 4.4±2.5 3.0±1.2 80 Anti-IL-23R +IL-25 60 40 20 0 0 102 103 104 105 RORγt 0 102 103 104 105 % of Max events 105 % of Max events 2.3 4.4±0.8 80 60 40 20 0 0 IL-22 102 103 104 105 IL-22 Supplementary Figure 4 No role for IL -23 in th e IL-25-mediated regulation of IL-22 production by R OR t+ ILCs. (a) Expression of transcripts for IL-23p19 (Il23a) in the terminal ileum of 8 weeks-old SPF, GF, wild type and IL-25-deficient mice, and 6 weeks-old wild-type mice injected with rIL-25 or PBS. (b) IL-23a protein expression in the terminal ileum of wild-type mice injected with rIL-25 or PBS. (c) IL-23 receptor (Il23r) expression by ROR t+ ILCs from 6 weeks-old RAG2-deficient mice treated with rIL-25 or PBS. *P < 0.05, NS, statistically not significant, unpaired t-test. (d) Expression of IL-22 by ROR t+ ILCs in the small intestine of adult p19-deficient mice treated with rIL-25 or PBS. Cells were stimulated for 3 hours ex vivo with PMA/ionomycin (middle columns) or rIL-23 (right columns). Data are mean ± S.E.M of n = 3 mice per group. (d) Expression of IL-22 by ROR t+ ILCs in 8 weeks old Rorc( t)-GfpTG mice treated with neutralizing anti-IL23R antibody and rIL -25 or P BS. Cells were stimulated for 3 hours ex vivo with PMA/ionomycin. Data are mean ± S.E.M of n = 3 mice per g r o u p . 5 Nature Immunology doi:10.1038/ni.2002 105 NS * * RORγt+ CD4+ T cells % of Max events DSS DSS+IL-25 100 5.6±1.6 80 2.0±0.8 Cells 104 PBS * IL-25 103 60 40 20 0 0 102 103 104 105 102 Total IL-22 IL-22+ RORγt+ CD4+ T Supplementary Figure 5 Total IL-22+ RORγt+ ILCs IL-25 represses IL-22 production by ROR t+ T cells during colitis. (Left) Expression of IL-22 by small intestinal lamina propria CD4+ ROR t+ T cells in 9 weeks old C57/BL6 wild type mice treated with DSS. Data are mean ± S.E.M of n = 3 mice per group. Cells were stimulated for 3 hours ex vivo with PMA/ionomycin. (Right) Absolute numbers of small intestinal lamina propria cells in DSS-treated 9 weeks old C57/BL6 wild type mice. Data are mean ± S.E.M of n = 3 mice per group. *P < 0.05, unpaired t-test. 6 Nature Immunology doi:10.1038/ni.2002
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