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Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice
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| Zeitschriftentitel: | The Journal of Immunology |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | The Journal of Immunology, 177, 2006, 11, S. 7673-7679 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The American Association of Immunologists
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| Schlagwörter: |
| author_facet |
Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf |
|---|---|
| author |
Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf |
| spellingShingle |
Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf The Journal of Immunology Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice Immunology Immunology and Allergy |
| author_sort |
syrbe, uta |
| spelling |
Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf 0022-1767 1550-6606 The American Association of Immunologists Immunology Immunology and Allergy http://dx.doi.org/10.4049/jimmunol.177.11.7673 <jats:title>Abstract</jats:title> <jats:p>T effector cells require selectin ligands to migrate into inflamed regions. In vitro, IL-12 promotes induction of these ligands as well as differentiation of CD4+ T cells into IFN-γ-producing Th1 but not Th2 cells. STAT4 is strongly involved in these processes. However, the presence of selectin ligands on various T effector cell subsets in vivo points to more complex regulatory pathways. To clarify the role of the IL-12/STAT4 signaling pathway, we analyzed the impact of STAT4 deficiency on the expression of P-selectin ligands (P-lig) on CD4+ T cells in vitro and in vivo, including conditions of infection. In vitro, we found significant expression of P-lig upon activation not only in the presence, but also in the absence, of IL-12, which was independent of STAT4. TGF-β, an alternative inducer of selectin ligands in human T cells, was not effective in murine CD4+ T cells, suggesting a role of additional signaling pathways. In vivo, a significant impact of STAT4 for the generation of P-lig+CD4+ T cells was observed for cells from peripheral lymph nodes, but not for those from spleen or lung. However, upon infection with the Th2-inducing parasite Nippostrongylus brasiliensis, P-lig expression became dependent on STAT4 signaling. Interestingly, also the frequency of IL-4-producing cells was greatly diminished in absence of STAT4. These data reveal a hitherto unknown contribution of STAT4 to the generation of Th2 cells in parasite infection and suggest that signals inducing inflammation-seeking properties in vivo vary depending on environmental conditions, such as type of organ and infection.</jats:p> Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice The Journal of Immunology |
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The American Association of Immunologists, 2006 |
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| title |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_unstemmed |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_full |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_fullStr |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_full_unstemmed |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_short |
Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_sort |
microenvironment-dependent requirement of stat4 for the induction of p-selectin ligands and effector cytokines on cd4+ t cells in healthy and parasite-infected mice |
| topic |
Immunology Immunology and Allergy |
| url |
http://dx.doi.org/10.4049/jimmunol.177.11.7673 |
| publishDate |
2006 |
| physical |
7673-7679 |
| description |
<jats:title>Abstract</jats:title>
<jats:p>T effector cells require selectin ligands to migrate into inflamed regions. In vitro, IL-12 promotes induction of these ligands as well as differentiation of CD4+ T cells into IFN-γ-producing Th1 but not Th2 cells. STAT4 is strongly involved in these processes. However, the presence of selectin ligands on various T effector cell subsets in vivo points to more complex regulatory pathways. To clarify the role of the IL-12/STAT4 signaling pathway, we analyzed the impact of STAT4 deficiency on the expression of P-selectin ligands (P-lig) on CD4+ T cells in vitro and in vivo, including conditions of infection. In vitro, we found significant expression of P-lig upon activation not only in the presence, but also in the absence, of IL-12, which was independent of STAT4. TGF-β, an alternative inducer of selectin ligands in human T cells, was not effective in murine CD4+ T cells, suggesting a role of additional signaling pathways. In vivo, a significant impact of STAT4 for the generation of P-lig+CD4+ T cells was observed for cells from peripheral lymph nodes, but not for those from spleen or lung. However, upon infection with the Th2-inducing parasite Nippostrongylus brasiliensis, P-lig expression became dependent on STAT4 signaling. Interestingly, also the frequency of IL-4-producing cells was greatly diminished in absence of STAT4. These data reveal a hitherto unknown contribution of STAT4 to the generation of Th2 cells in parasite infection and suggest that signals inducing inflammation-seeking properties in vivo vary depending on environmental conditions, such as type of organ and infection.</jats:p> |
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| author | Syrbe, Uta, Hoffmann, Ute, Schlawe, Kerstin, Liesenfeld, Oliver, Erb, Klaus, Hamann, Alf |
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| description | <jats:title>Abstract</jats:title> <jats:p>T effector cells require selectin ligands to migrate into inflamed regions. In vitro, IL-12 promotes induction of these ligands as well as differentiation of CD4+ T cells into IFN-γ-producing Th1 but not Th2 cells. STAT4 is strongly involved in these processes. However, the presence of selectin ligands on various T effector cell subsets in vivo points to more complex regulatory pathways. To clarify the role of the IL-12/STAT4 signaling pathway, we analyzed the impact of STAT4 deficiency on the expression of P-selectin ligands (P-lig) on CD4+ T cells in vitro and in vivo, including conditions of infection. In vitro, we found significant expression of P-lig upon activation not only in the presence, but also in the absence, of IL-12, which was independent of STAT4. TGF-β, an alternative inducer of selectin ligands in human T cells, was not effective in murine CD4+ T cells, suggesting a role of additional signaling pathways. In vivo, a significant impact of STAT4 for the generation of P-lig+CD4+ T cells was observed for cells from peripheral lymph nodes, but not for those from spleen or lung. However, upon infection with the Th2-inducing parasite Nippostrongylus brasiliensis, P-lig expression became dependent on STAT4 signaling. Interestingly, also the frequency of IL-4-producing cells was greatly diminished in absence of STAT4. These data reveal a hitherto unknown contribution of STAT4 to the generation of Th2 cells in parasite infection and suggest that signals inducing inflammation-seeking properties in vivo vary depending on environmental conditions, such as type of organ and infection.</jats:p> |
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| spelling | Syrbe, Uta Hoffmann, Ute Schlawe, Kerstin Liesenfeld, Oliver Erb, Klaus Hamann, Alf 0022-1767 1550-6606 The American Association of Immunologists Immunology Immunology and Allergy http://dx.doi.org/10.4049/jimmunol.177.11.7673 <jats:title>Abstract</jats:title> <jats:p>T effector cells require selectin ligands to migrate into inflamed regions. In vitro, IL-12 promotes induction of these ligands as well as differentiation of CD4+ T cells into IFN-γ-producing Th1 but not Th2 cells. STAT4 is strongly involved in these processes. However, the presence of selectin ligands on various T effector cell subsets in vivo points to more complex regulatory pathways. To clarify the role of the IL-12/STAT4 signaling pathway, we analyzed the impact of STAT4 deficiency on the expression of P-selectin ligands (P-lig) on CD4+ T cells in vitro and in vivo, including conditions of infection. In vitro, we found significant expression of P-lig upon activation not only in the presence, but also in the absence, of IL-12, which was independent of STAT4. TGF-β, an alternative inducer of selectin ligands in human T cells, was not effective in murine CD4+ T cells, suggesting a role of additional signaling pathways. In vivo, a significant impact of STAT4 for the generation of P-lig+CD4+ T cells was observed for cells from peripheral lymph nodes, but not for those from spleen or lung. However, upon infection with the Th2-inducing parasite Nippostrongylus brasiliensis, P-lig expression became dependent on STAT4 signaling. Interestingly, also the frequency of IL-4-producing cells was greatly diminished in absence of STAT4. These data reveal a hitherto unknown contribution of STAT4 to the generation of Th2 cells in parasite infection and suggest that signals inducing inflammation-seeking properties in vivo vary depending on environmental conditions, such as type of organ and infection.</jats:p> Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice The Journal of Immunology |
| spellingShingle | Syrbe, Uta, Hoffmann, Ute, Schlawe, Kerstin, Liesenfeld, Oliver, Erb, Klaus, Hamann, Alf, The Journal of Immunology, Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice, Immunology, Immunology and Allergy |
| title | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_full | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_fullStr | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_full_unstemmed | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_short | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| title_sort | microenvironment-dependent requirement of stat4 for the induction of p-selectin ligands and effector cytokines on cd4+ t cells in healthy and parasite-infected mice |
| title_unstemmed | Microenvironment-Dependent Requirement of STAT4 for the Induction of P-Selectin Ligands and Effector Cytokines on CD4+ T Cells in Healthy and Parasite-Infected Mice |
| topic | Immunology, Immunology and Allergy |
| url | http://dx.doi.org/10.4049/jimmunol.177.11.7673 |