Linked Life Data

12379668

Source:http://linkedlifedata.com/resource/pubmed/id/12379668

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2002-10-15
pubmed:abstractText
Filarial infections have been associated with the development of a strongly polarized Th2 host immune response and a severe impairment of mitogen-driven proliferation and type 1 cytokine production in mice and humans. The role of this polarization in the development of the broad spectra of clinical manifestations of lymphatic filariasis is still unknown. Recently, data gathered from humans as well as from immunocompromised mouse models suggest that filariasis elicits a complex host immune response involving both Th1 and Th2 components. However, responses of a similar nature have not been reported in immunologically intact permissive models of Brugia infection. Brucella abortus-killed S19 was inoculated into the Brugia-permissive gerbil host to induce gamma interferon (IFN-gamma) production. Gerbils were then infected with B. pahangi, and the effect of the polarized Th1 responses on worm establishment and host cellular response was measured. Animals infected with both B. abortus and B. pahangi showed increased IFN-gamma and interleukin-10 (IL-10) and decreased IL-4 and IL-5 mRNA levels compared with those in animals infected with B. pahangi alone. These data suggest that the prior sensitization with B. abortus may induce a down regulation of the Th2 response associated with Brugia infection. This reduced Th2 response was associated with a reduced eosinophilia and an increased neutrophilia in the peritoneal exudate cells. The changes in cytokine and cellular environment did not inhibit the establishment of B. pahangi intraperitoneally. The data presented here suggest a complex relationship between the host immune response and parasite establishment and survival that cannot be simply ascribed to the Th1/Th2 paradigm.
pubmed:grant
pubmed:commentsCorrections
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pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0019-9567
pubmed:author
pubmed:issnType
Print
pubmed:volume
70
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
5938-45
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
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