Invasion of the intestinal tract by sporozoites of Eimeria coecicola and Eimeria intestinalis in naive and immune rabbits
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- antigeny protozoální metabolismus MeSH
- Eimeria růst a vývoj imunologie patogenita MeSH
- interakce hostitele a parazita MeSH
- kokcidióza imunologie parazitologie MeSH
- králíci MeSH
- lymfatické uzliny parazitologie MeSH
- organismy bez specifických patogenů MeSH
- parazitární nemoci střev * MeSH
- Peyerovy pláty metabolismus parazitologie MeSH
- protilátky protozoální imunologie MeSH
- slezina parazitologie MeSH
- sporozoiti růst a vývoj imunologie patologie MeSH
- tenké střevo metabolismus parazitologie patologie MeSH
- zvířata MeSH
- Check Tag
- králíci MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Názvy látek
- antigeny protozoální MeSH
- protilátky protozoální MeSH
Naive and immune specific-pathogen-free rabbits were inoculated in the duodenum with sporocysts of Eimeria coecicola or Eimeria intestinalis. Samples were taken from the following tissues: duodenum (site of penetration of sporozoites), ileum (specific target site of the endogenous development of E. intestinalis), vermiform appendix (target site of E. coecicola) and two extraintestinal sites, mesenteric lymph nodes (MLNs), and spleen. The presence of sporozoites was checked by immunohistochemistry. In rabbits primary-infected with E. coecicola, large numbers of sporozoites were detected in the duodenum, extraintestinal sites, and vermiform appendix. The abundance of sporozoites in the spleen, MLN, and appendix was significantly reduced in the immune rabbits, and the migration seemed impeded. In the rabbits infected with E. intestinalis, sporozoites were absent in the spleen and MLN, indicating that the route of migration is different from that of E. coecicola. The number of sporozoites in the crypts of the ileum was markedly reduced in the immune animals.
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