{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,5,25]],"date-time":"2023-05-25T15:10:11Z","timestamp":1685027411662},"reference-count":25,"publisher":"Cambridge University Press (CUP)","issue":"1","license":[{"start":{"date-parts":[[2009,4,6]],"date-time":"2009-04-06T00:00:00Z","timestamp":1238976000000},"content-version":"unspecified","delay-in-days":8465,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Parasitology"],"published-print":{"date-parts":[[1986,2]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>Peritoneal leucocytosis, with an increased percentage of eosinophils, was found in mice which had been infected with<jats:italic>Schistosoma mansoni<\/jats:italic>for 7 weeks or longer. Specific IgG against worm and egg antigens increased in peritoneal fluids and their corresponding sera respectively 5 and 7 weeks after infection. An intraperitoneal challenge with schistosomula elicited neutrophilia in all mice regardless of immune status, as well as infiltration of eosinophils and macrophages in infected mice. The secondary eosinophilia occurred in mice previously infected for 1 week or longer, whereas the infiltration of macrophages occurred only after worms from the primary infection had started laying eggs. Unlike the eosinophilia the macrophage response required infection with bisexual populations of cercariae. Injection of previously infected mice with<jats:italic>Escherichia, Trichinella<\/jats:italic>or<jats:italic>Toxocara<\/jats:italic>failed to increase the proportions of eosinophils and macrophages. Schistosomula-induced eosinophilia could be elicited in passively sensitized mice. Intraperitoneal injection of PBS extract of adult worms elicited eosinophilia in infected mice and neutrophilia in normal mice. Two chromatographic fractions induced eosinophilia and the third only neutrophilia. The relevance of these observations to host response to<jats:italic>S. mansoni<\/jats:italic>infections is discussed.<\/jats:p>","DOI":"10.1017\/s0031182000063496","type":"journal-article","created":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T16:20:57Z","timestamp":1244218857000},"page":"117-132","source":"Crossref","is-referenced-by-count":4,"title":["An<i>in vivo<\/i>model for the study of chemotaxis induced by Schistosomula of<i>Schistosoma mansoni<\/i>"],"prefix":"10.1017","volume":"92","author":[{"given":"L. P.","family":"Chao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. T.","family":"Jones","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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