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Eimeria papillata: upregulation of specific miRNA-species in the mouse jejunum.

Abstract：

:Increasing evidence indicates miRNAs as critical regulators of gene expression, but little information is available for miRNAs in intestinal diseases. Here, we investigated intestinal infections of male Balb/c mice with the coccidian parasite Eimeria papillata. On day 4 after oral infection, mice were shedding 3150 ± 430 oocysts per gram feces. This was associated with a low inflammatory response of the jejunum of mice evidenced by histology, non-response of IL-1β mRNA, even slight downregulation of IL-6 mRNA, only slight increases in iNOS mRNA, nitrate/nitrate, malondialdehyde, and a small decrease in glutathione, respectively. Only IFNγ mRNA was strongly induced. Using miRNA microarray technology, there were significantly upregulated the four miRNA species miR-1959, MCMV-miR-M23-1-5P, miR-203, and miR-21 out of 634 miRNAs, which was also confirmed by quantitative RT-PCR. Our data provide evidence that E. papillata parasites are able to induce specific miRNA species in their host target organ.

journal_name

Exp Parasitol

journal_title

Experimental parasitology

authors

Dkhil M,Abdel-Baki AA,Delić D,Wunderlich F,Sies H,Al-Quraishy S

doi

10.1016/j.exppara.2010.11.002

subject

Has Abstract

pub_date

2011-02-01 00:00:00

pages

581-6

issue

2

eissn

0014-4894

issn

1090-2449

pii

S0014-4894(10)00343-7

journal_volume

127

pub_type

杂志文章

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