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Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis
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| Zeitschriftentitel: | Proceedings of the National Academy of Sciences |
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| Personen und Körperschaften: | , , , , , , , , |
| In: | Proceedings of the National Academy of Sciences, 106, 2009, 6, S. 2012-2017 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Proceedings of the National Academy of Sciences
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| Schlagwörter: |
| author_facet |
Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. |
|---|---|
| author |
Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. |
| spellingShingle |
Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. Proceedings of the National Academy of Sciences Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis Multidisciplinary |
| author_sort |
tan, yossan-var |
| spelling |
Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0812257106 <jats:p> Pituitary adenylyl cyclase-activating polypeptide (PACAP) is a widely expressed neuropeptide originally discovered in the hypothalamus. It closely resembles vasoactive intestinal peptide (VIP), a neuropeptide well known to inhibit macrophage activity, promote Th2-type responses, and enhance regulatory T cell (Treg) production. Recent studies have shown that administration of PACAP, like VIP, can attenuate dramatically the clinical and pathological features of murine models of autoimmune diseases such as experimental autoimmune encephalomyelitis (EAE) and collagen-induced arthritis. However, specific roles (if any) of endogenous VIP and PACAP in the protection against autoimmune diseases have not been explored. Here, we subjected PACAP-deficient mice to myelin oligodendrocyte glycoprotein (MOG <jats:sub>35–55</jats:sub> )-induced EAE. MOG immunization of PACAP-deficient mice triggered heightened clinical and pathological manifestations of EAE compared to wild-type mice. The increased sensitivity was accompanied by enhanced mRNA expression of proinflammatory cytokines (TNFα, IL-6, IFN-γ, IL-12p35, IL-23p19, and IL-17), chemokines (MCP-1/CCL2, MIP-1α/CCL3, and RANTES/CCL5), and chemotactic factor receptors (CCR1, CCR2, and CCR5), but downregulation of the anti-inflammatory cytokines (IL-4, IL-10, and TGF-β) in the spinal cord. Moreover, the abundance of CD4 <jats:sup>+</jats:sup> CD25 <jats:sup>+</jats:sup> FoxP3 <jats:sup>+</jats:sup> Tregs in lymph nodes and levels of FoxP3 mRNA in the spinal cord were also diminished. The reduction in Tregs was associated with increased proliferation and decreased TGF-β secretion in lymph node cultures stimulated with MOG. These results demonstrate that endogenous PACAP provides protection in EAE and identify PACAP as an intrinsic regulator of Treg abundance after inflammation. </jats:p> Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis Proceedings of the National Academy of Sciences |
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| title |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_unstemmed |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_full |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_fullStr |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_full_unstemmed |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_short |
Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_sort |
pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of treg abundance and protects against experimental autoimmune encephalomyelitis |
| topic |
Multidisciplinary |
| url |
http://dx.doi.org/10.1073/pnas.0812257106 |
| publishDate |
2009 |
| physical |
2012-2017 |
| description |
<jats:p>
Pituitary adenylyl cyclase-activating polypeptide (PACAP) is a widely expressed neuropeptide originally discovered in the hypothalamus. It closely resembles vasoactive intestinal peptide (VIP), a neuropeptide well known to inhibit macrophage activity, promote Th2-type responses, and enhance regulatory T cell (Treg) production. Recent studies have shown that administration of PACAP, like VIP, can attenuate dramatically the clinical and pathological features of murine models of autoimmune diseases such as experimental autoimmune encephalomyelitis (EAE) and collagen-induced arthritis. However, specific roles (if any) of endogenous VIP and PACAP in the protection against autoimmune diseases have not been explored. Here, we subjected PACAP-deficient mice to myelin oligodendrocyte glycoprotein (MOG
<jats:sub>35–55</jats:sub>
)-induced EAE. MOG immunization of PACAP-deficient mice triggered heightened clinical and pathological manifestations of EAE compared to wild-type mice. The increased sensitivity was accompanied by enhanced mRNA expression of proinflammatory cytokines (TNFα, IL-6, IFN-γ, IL-12p35, IL-23p19, and IL-17), chemokines (MCP-1/CCL2, MIP-1α/CCL3, and RANTES/CCL5), and chemotactic factor receptors (CCR1, CCR2, and CCR5), but downregulation of the anti-inflammatory cytokines (IL-4, IL-10, and TGF-β) in the spinal cord. Moreover, the abundance of CD4
<jats:sup>+</jats:sup>
CD25
<jats:sup>+</jats:sup>
FoxP3
<jats:sup>+</jats:sup>
Tregs in lymph nodes and levels of FoxP3 mRNA in the spinal cord were also diminished. The reduction in Tregs was associated with increased proliferation and decreased TGF-β secretion in lymph node cultures stimulated with MOG. These results demonstrate that endogenous PACAP provides protection in EAE and identify PACAP as an intrinsic regulator of Treg abundance after inflammation.
</jats:p> |
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| author | Tan, Yossan-Var, Abad, Catalina, Lopez, Robert, Dong, Hongmei, Liu, Shen, Lee, Alice, Gomariz, Rosa P., Leceta, Javier, Waschek, James A. |
| author_facet | Tan, Yossan-Var, Abad, Catalina, Lopez, Robert, Dong, Hongmei, Liu, Shen, Lee, Alice, Gomariz, Rosa P., Leceta, Javier, Waschek, James A., Tan, Yossan-Var, Abad, Catalina, Lopez, Robert, Dong, Hongmei, Liu, Shen, Lee, Alice, Gomariz, Rosa P., Leceta, Javier, Waschek, James A. |
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| description | <jats:p> Pituitary adenylyl cyclase-activating polypeptide (PACAP) is a widely expressed neuropeptide originally discovered in the hypothalamus. It closely resembles vasoactive intestinal peptide (VIP), a neuropeptide well known to inhibit macrophage activity, promote Th2-type responses, and enhance regulatory T cell (Treg) production. Recent studies have shown that administration of PACAP, like VIP, can attenuate dramatically the clinical and pathological features of murine models of autoimmune diseases such as experimental autoimmune encephalomyelitis (EAE) and collagen-induced arthritis. However, specific roles (if any) of endogenous VIP and PACAP in the protection against autoimmune diseases have not been explored. Here, we subjected PACAP-deficient mice to myelin oligodendrocyte glycoprotein (MOG <jats:sub>35–55</jats:sub> )-induced EAE. MOG immunization of PACAP-deficient mice triggered heightened clinical and pathological manifestations of EAE compared to wild-type mice. The increased sensitivity was accompanied by enhanced mRNA expression of proinflammatory cytokines (TNFα, IL-6, IFN-γ, IL-12p35, IL-23p19, and IL-17), chemokines (MCP-1/CCL2, MIP-1α/CCL3, and RANTES/CCL5), and chemotactic factor receptors (CCR1, CCR2, and CCR5), but downregulation of the anti-inflammatory cytokines (IL-4, IL-10, and TGF-β) in the spinal cord. Moreover, the abundance of CD4 <jats:sup>+</jats:sup> CD25 <jats:sup>+</jats:sup> FoxP3 <jats:sup>+</jats:sup> Tregs in lymph nodes and levels of FoxP3 mRNA in the spinal cord were also diminished. The reduction in Tregs was associated with increased proliferation and decreased TGF-β secretion in lymph node cultures stimulated with MOG. These results demonstrate that endogenous PACAP provides protection in EAE and identify PACAP as an intrinsic regulator of Treg abundance after inflammation. </jats:p> |
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| imprint_str_mv | Proceedings of the National Academy of Sciences, 2009 |
| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1 |
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| spelling | Tan, Yossan-Var Abad, Catalina Lopez, Robert Dong, Hongmei Liu, Shen Lee, Alice Gomariz, Rosa P. Leceta, Javier Waschek, James A. 0027-8424 1091-6490 Proceedings of the National Academy of Sciences Multidisciplinary http://dx.doi.org/10.1073/pnas.0812257106 <jats:p> Pituitary adenylyl cyclase-activating polypeptide (PACAP) is a widely expressed neuropeptide originally discovered in the hypothalamus. It closely resembles vasoactive intestinal peptide (VIP), a neuropeptide well known to inhibit macrophage activity, promote Th2-type responses, and enhance regulatory T cell (Treg) production. Recent studies have shown that administration of PACAP, like VIP, can attenuate dramatically the clinical and pathological features of murine models of autoimmune diseases such as experimental autoimmune encephalomyelitis (EAE) and collagen-induced arthritis. However, specific roles (if any) of endogenous VIP and PACAP in the protection against autoimmune diseases have not been explored. Here, we subjected PACAP-deficient mice to myelin oligodendrocyte glycoprotein (MOG <jats:sub>35–55</jats:sub> )-induced EAE. MOG immunization of PACAP-deficient mice triggered heightened clinical and pathological manifestations of EAE compared to wild-type mice. The increased sensitivity was accompanied by enhanced mRNA expression of proinflammatory cytokines (TNFα, IL-6, IFN-γ, IL-12p35, IL-23p19, and IL-17), chemokines (MCP-1/CCL2, MIP-1α/CCL3, and RANTES/CCL5), and chemotactic factor receptors (CCR1, CCR2, and CCR5), but downregulation of the anti-inflammatory cytokines (IL-4, IL-10, and TGF-β) in the spinal cord. Moreover, the abundance of CD4 <jats:sup>+</jats:sup> CD25 <jats:sup>+</jats:sup> FoxP3 <jats:sup>+</jats:sup> Tregs in lymph nodes and levels of FoxP3 mRNA in the spinal cord were also diminished. The reduction in Tregs was associated with increased proliferation and decreased TGF-β secretion in lymph node cultures stimulated with MOG. These results demonstrate that endogenous PACAP provides protection in EAE and identify PACAP as an intrinsic regulator of Treg abundance after inflammation. </jats:p> Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis Proceedings of the National Academy of Sciences |
| spellingShingle | Tan, Yossan-Var, Abad, Catalina, Lopez, Robert, Dong, Hongmei, Liu, Shen, Lee, Alice, Gomariz, Rosa P., Leceta, Javier, Waschek, James A., Proceedings of the National Academy of Sciences, Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis, Multidisciplinary |
| title | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_full | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_fullStr | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_full_unstemmed | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_short | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_sort | pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of treg abundance and protects against experimental autoimmune encephalomyelitis |
| title_unstemmed | Pituitary adenylyl cyclase-activating polypeptide is an intrinsic regulator of Treg abundance and protects against experimental autoimmune encephalomyelitis |
| topic | Multidisciplinary |
| url | http://dx.doi.org/10.1073/pnas.0812257106 |