{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T20:19:52Z","timestamp":1771532392041,"version":"3.50.1"},"reference-count":53,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2009,9,1]],"date-time":"2009-09-01T00:00:00Z","timestamp":1251763200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>CpG-containing oligonucleotides (CpG) have been shown to reduce key features of allergic airway inflammation in mouse models. Given the inhibitory effects of CpG treatment on Ag presentation of subsequently encountered Ags via MHC class I and II molecules by dendritic cells (DC), we hypothesized that intranasal CpG treatment would lead to reduced Ag-specific T cell stimulation in the lung-draining lymph nodes, thereby reducing the inflammatory response in sensitized mice. Intranasal CpG administration led to phenotypic maturation of lung and mediastinal lymph node DC as determined by expression of MHC class II, CD80, and CD86. This was accompanied by a significant reduction in the proliferation of adoptively transferred Ag-specific CD4+ and CD8+ T cells in mediastinal lymph nodes, when CpG was given before inhalative OVA challenges. DC obtained from mediastinal lymph nodes of CpG-treated mice before OVA inhalation led to reduced T cell stimulation via MHC class I and II molecules. In addition, CpG diminished airway eosinophilia and pulmonary infiltration after sensitization or following adoptive transfer of Ag-specific Th2 cells. These results were explained by reduced CCL21 expression and inhibition of lung DC migration following CpG administration, which could be restored by transfer of bone marrow-derived DC, because CpG had no major impact on the constitutive MHC class II Ag presentation of protein-derived Ag by lung tissue-derived DC. We conclude that CpG treatment can effectively impair the DC-mediated Ag transport from the lungs to the lymph nodes, resulting in reduced T cell activation and blunted airway inflammation.<\/jats:p>","DOI":"10.4049\/jimmunol.0804223","type":"journal-article","created":{"date-parts":[[2009,8,10]],"date-time":"2009-08-10T21:06:32Z","timestamp":1249938392000},"page":"3443-3453","source":"Crossref","is-referenced-by-count":9,"title":["Impaired Lung Dendritic Cell Migration and T Cell Stimulation Induced by Immunostimulatory Oligonucleotides Contribute to Reduced Allergic Airway Inflammation"],"prefix":"10.1093","volume":"183","author":[{"given":"Hannelore","family":"Constabel","sequence":"first","affiliation":[{"name":"Clinic for Immunology and Rheumatology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Metodi V","family":"Stankov","sequence":"additional","affiliation":[{"name":"Clinic for Immunology and Rheumatology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina","family":"Hartwig","sequence":"additional","affiliation":[{"name":"Institute for Functional and Applied Anatomy, Hannover Medical School , Hannover,","place":["Germany"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Tschernig","sequence":"additional","affiliation":[{"name":"Institute for Functional and Applied Anatomy, Hannover Medical School , Hannover,","place":["Germany"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Georg M N","family":"Behrens","sequence":"additional","affiliation":[{"name":"Clinic for Immunology and Rheumatology"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2009,9,1]]},"reference":[{"key":"2026012811281581300_R1","first-page":"994","article-title":"Taking our breath away: dendritic cells in the pathogenesis of asthma.","volume-title":"Nat. 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