Mucosal mast cell responses in the small intestine of rats infected with Echinostoma hortense

Mucosal mast cell (MMC) responses and worm recovery rates in rats infected with Echinostoma hortense were investigated from day 3 to day 56 post-infection (p.i.). Experimental infected group showed apparently higher number of MMC in each part of the small intestine than that of the control group. Th...

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Bibliographic Details
Published in:Korean journal of parasitology 2000-09, Vol.38 (3), p.139-143
Main Authors: Kim, I, Im, J A, Lee, K J, Ryang, Y S
Format: Article
Language:English
Subjects:
Animals
Cell Count
Duodenum - cytology
Duodenum - parasitology
Echinostoma - isolation & purification
Echinostomiasis - immunology
Echinostomiasis - parasitology
Intestinal Diseases, Parasitic - immunology
Intestinal Diseases, Parasitic - parasitology
Intestinal Mucosa - cytology
Jejunum - cytology
Jejunum - parasitology
Mast Cells - cytology
Mast Cells - immunology
Original
Phagocytosis
Rats
Rats, Wistar
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Summary:Mucosal mast cell (MMC) responses and worm recovery rates in rats infected with Echinostoma hortense were investigated from day 3 to day 56 post-infection (p.i.). Experimental infected group showed apparently higher number of MMC in each part of the small intestine than that of the control group. The number of MMC in the duodenum increased gradually after the infection and reached a peak on day 35 p.i. Thereafter, the number of MMC continued to decrease at a slow pace. The kinetics of MMC responses in the upper and lower jejunum were similar to that of the duodenum, but the number of MMC in the jejunum was lower. The worm recovery rate decreased with respect to time of which it was markedly reduced on day 49 and 56 p.i. The duration in which a high number of MMC appeared was similar to that in which a low rate in worm recovery was recorded. These results indicate that intestinal mastocytosis may play an important role in the expulsion of E. hortense.
ISSN:0023-4001
1738-0006
DOI:10.3347/kjp.2000.38.3.139