| Strongyloides ratti: transplantation of adults recovered from the small intestine at different days after infection into the colon of naive and infection-primed Wistar rats, and the effect of antioxidant treatment on large intestinal parasitism. | |
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MedLine Citation:
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PMID: 21676279 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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SUMMARYStrongyloides ratti (Nagoya strain) is unique in that a portion of adults parasitizing the small intestine withstands 'worm expulsion', which starts at around day 8 post-infection (p.i.) by host immunity, and establishes in the large intestine after day 19 p.i. To investigate the mechanism, adults obtained from the small intestine at day 7 or 19 p.i. were transplanted into the colon of infection-primed immune rats. Adults obtained at day 7 p.i. were rejected quickly, whereas those obtained at day 19 p.i. could establish infection. Moreover, the body length and the number of intrauterine eggs increased in the large intestine. In a separate experiment, large intestinal parasitism was abolished by the treatment of host rats with an anti-oxidant, butylated hydroxyanisole. These results indicate that small intestinal adults between days 7 and 19 p.i. acquired the ability to parasitize the large intestine of immune rats, and that free radicals produced by the host may have played a significant role in the process. |
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Authors:
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Y Shintoku; H Takagi; T Kadosaka; F Nagaoka; S Kondo; M Itoh; S Honda; E Kimura |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-6-16 |
Journal Detail:
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Title: Parasitology Volume: - ISSN: 1469-8161 ISO Abbreviation: - Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-6-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401121 Medline TA: Parasitology Country: - |
Other Details:
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Languages: ENG Pagination: 1-8 Citation Subset: - |
Affiliation:
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Department of Parasitology, Aichi Medical University, 21 Karimata, Yazako, Nagakute, Aichi-ken 480-1195, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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