pubmed-article:12183563 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0008148 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0026724 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0559522 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C1522642 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C1545588 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0729552 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0392756 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0599896 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C0870432 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C1705417 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C1555465 | lld:lifeskim |
pubmed-article:12183563 | lifeskim:mentions | umls-concept:C1999230 | lld:lifeskim |
pubmed-article:12183563 | pubmed:issue | 9 | lld:pubmed |
pubmed-article:12183563 | pubmed:dateCreated | 2002-8-16 | lld:pubmed |
pubmed-article:12183563 | pubmed:abstractText | A T helper type 1 (Th1) response is essential for resolving genital infections with the mouse pneumonitis biovar of Chlamydia trachomatis (MoPn). However, T-cell-dependent anti-chlamydial antibody is produced and may also contribute to protective immunity. We produced a MoPn-specific CD4 Th2 clone (Th2-MoPn) to study the role of a Th2 response during infection. We found that Th2-MoPn was unable to eradicate chlamydiae from the genital tract (GT) when it was transferred into MoPn-infected nude mice. Mice that received Th2-MoPn produced greater titers of MoPn-specific serum immunoglobulin G (IgG) antibody than mice that received a MoPn-specific Th1 clone (Th1-MoPn) (log(10) titers, 1.89 +/- 0.84 and 0.58 +/- 0.76 [mean +/- standard deviation], respectively [P < 0.01]). Also, the IgG isotypes were different for the two groups; whereas IgG1 was associated with Th2-MoPn, IgG2a was associated with Th1-MoPn. Also, infected nude mice that received Th2-MoPn produced higher levels of IgA in vaginal secretions. Although clone Th2-MoPn was detected in the GT, it was less efficient at migrating (112 +/- 35.6 labeled Th2 clone cells/10(5) GT cells) than Th1-MoPn (505 +/- 51.6 Th1 clone cells/10(5) GT cells) (P < 0.001, as determined by a t test). This may have been due to reduced expression of alpha4beta7 and P-selectin ligand 1 on Th2-MoPn. However, Th2-MoPn cells were retained in the GT during chronic infection and comprised 10 to 15% of the total GT cells 80 days after transfer. The data show that the MoPn-specific Th2 cells are important for serum and vaginal antibody production and may accumulate in the GT during chronic infection. | lld:pubmed |
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pubmed-article:12183563 | pubmed:language | eng | lld:pubmed |
pubmed-article:12183563 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:12183563 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:12183563 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:12183563 | pubmed:month | Sep | lld:pubmed |
pubmed-article:12183563 | pubmed:issn | 0019-9567 | lld:pubmed |
pubmed-article:12183563 | pubmed:author | pubmed-author:KellyKathleen... | lld:pubmed |
pubmed-article:12183563 | pubmed:author | pubmed-author:RankRoger GRG | lld:pubmed |
pubmed-article:12183563 | pubmed:author | pubmed-author:HawkinsRaymon... | lld:pubmed |
pubmed-article:12183563 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:12183563 | pubmed:volume | 70 | lld:pubmed |
pubmed-article:12183563 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:12183563 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:12183563 | pubmed:pagination | 5132-9 | lld:pubmed |
pubmed-article:12183563 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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pubmed-article:12183563 | pubmed:year | 2002 | lld:pubmed |