Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1997-1-16
pubmed:abstractText
The ability of Hymenolepis nana oncosphere extract to induce eosinophil chemotactic response was examined in vitro and in vivo. The extract showed a chemotactic activity specific for eosinophils but not for neutrophils. Partially purified eosinophil chemotactic factors (ECFs) from the oncosphere extract showed apparent molecular mass from 5.5 to 9.6kDa and 30 to 40kDa. These were resistant to heating and proteinase K digestion but sensitive to periodate oxidation. Peritoneal injection of the crude extract or partially purified ECFs to mice resulted in a preferential eosinophil infiltration. The chemotactic activity for eosinophils was not separable from the adhesion molecule expression or oxygen radical-inducing activity by means of chromatography or chemical treatments. Furthermore, histological examination demonstrated a marked tissue eosinophilia around H. nana larvae in the intestinal lamina propria of both humoral and cell-mediated immunodeficiency mice. The present findings suggest that H. nana oncosphere-derived molecules facilitate in vivo the intestinal eosinophilia during the infection.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
0022-149X
pubmed:author
pubmed:issnType
Print
pubmed:volume
70
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
33-41
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Enhancement of intestinal eosinophilia during Hymenolepis nana infection in mice.
pubmed:affiliation
Department of Parasitology, Kinki University School of Medicine, Osaka, Japan.
pubmed:publicationType
Journal Article