RGD Reference Report - Regulation of primary Strongyloides ratti infections in mice: a role for interleukin-5. - Rat Genome Database

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Regulation of primary Strongyloides ratti infections in mice: a role for interleukin-5.

Authors: Ovington, KS  McKie, K  Matthaei, KI  Young, IG  Behm, CA 
Citation: Ovington KS, etal., Immunology. 1998 Nov;95(3):488-93.
RGD ID: 11354934
Pubmed: PMID:9824515   (View Abstract at PubMed)
PMCID: PMC1364418   (View Article at PubMed Central)

C57BL/6 mice genetically deficient in interleukin-5 (IL-5-/-) and normal C57BL/6 (IL-5+/+) mice were infected with larvae of a homogonic strain of the nematode Strongyloides ratti. In primary infections both male and female IL-5-/- mice released two to four times more eggs and larvae than IL-5+/+ mice. IL-5-/- mice harboured about 60% more intestinal worms, which were more fecund, than IL-5+/+ mice. The duration of the infection was similar in normal and IL-5-deficient mice. Both IL-5-/- and IL-5+/+ mice resisted a secondary infection. IL5-/- mice lost more weight during the infection than normal mice and took longer to regain their initial weight after expelling the worms. The number of eosinophils increased in the bone marrow, peritoneal cavity and small intestine of IL-5+/+ mice, but not IL-5-/- mice, following infection. No significant differences between infected IL-5+/+ and IL-5-/- mice in mast cells or other leucocytes were observed in the peritoneal cavity. Thus, IL-5 functions to protect the host in a primary infection of S. ratti by limiting the number and fecundity of worms establishing in the small intestine. This protection is correlated with elevated blood and tissue eosinophilia which occurs in normal mice but not in IL-5-/- mice.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
IL5Humanstrongyloidiasis severityISOIl5 (Mus musculus) RGD 
Il5Ratstrongyloidiasis severityISOIl5 (Mus musculus) RGD 
Il5Mousestrongyloidiasis severityIMP  RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il5  (interleukin 5)

Genes (Mus musculus)
Il5  (interleukin 5)

Genes (Homo sapiens)
IL5  (interleukin 5)


Additional Information