Evidence map›Paper›PMID 25717051›Full record

ArticleGut and liver2015

Changes in the Expression and Distribution of Claudins, Increased Epithelial Apoptosis, and a Mannan-Binding Lectin-Associated Immune Response Lead to Barrier Dysfunction in Dextran Sodium Sulfate-Induced Rat Colitis.

Bosi Yuan, Shuping Zhou, Youke Lu, Jiong Liu, Xinxin Jin, Haijun Wan, Fangyu Wang

Open access · diamondAbstract read
In one paragraph

Article in Gut and liver, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.0field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 37 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Bosi YuanDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Shuping ZhouDepartment of Gastroenterology and Hepatology, The First People's Hospital of Huainan, Huainan, China.
Youke LuDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Jiong LiuDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Xinxin JinDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Haijun WanDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Fangyu WangDepartment of Gastroenterology and Hepatology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
Nanjing General Hospital of Nanjing Military Command · CNNanjing University · CNHuaian First People’s Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

aimsThis animal study aimed to define the underlying cellular mechanisms of intestinal barrier dysfunction.

methodsRats were fed 4% with dextran sodium sulfate (DSS) to induce experimental colitis. We analyzed the sugars in 24-hour urine output by high pressure liquid chromatography. The expression of claudins, mannan-binding lectin (MBL), and MBL-associated serine proteases 2 (MASP-2) were detected in the colonic mucosa by immunohistochemistry; and apoptotic cells in the colonic epithelium were detected by the terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick-end labeling method assay.

resultsThe lactulose and sucralose excretion levels in the urine of rats with DSS-induced colitis were significantly higher than those in the control rats. Mannitol excretion was lower and lactulose/mannitol ratios and sucralose/mannitol ratios were significantly increased compared with those in the control group (p<0.05). Compared with the controls, the expression of sealing claudins (claudin 3, claudin 5, and claudin 8) was significantly decreased, but that of claudin 1 was increased. The expression of pore-forming claudin 2 was upregulated and claudin 7 was downregulated in DSS-induced colitis. The epithelial apoptotic ratio was 2.8%±1.2% in controls and was significantly increased to 7.2%±1.2% in DSS-induced colitis. The expression of MBL and MASP-2 in the intestinal mucosa showed intense staining in controls, whereas there was weak staining in the rats with colitis.

conclusionsThere was increased intestinal permeability in DSS-induced colitis. Changes in the expression and distribution of claudins, increased epithelial apoptosis, and the MASP-2-induced immune response impaired the intestinal epithelium and contributed to high intestinal permeability.

Indexed as

AnimalsApoptosisClaudinsColitisColonDextran SulfateIntestinal MucosaLactuloseMannitolMannose-Binding LectinPermeabilityRatsRats, Sprague-DawleySucroseUp-RegulationClaudinsDextran SulfateLactuloseMannitolMannose-Binding LectinSucrosetrichlorosucroseApoptosisClaudinColitis, ulcerativeIntestinal permeabilityMannan-binding lectin-associated serine proteases 2

Identifiers

PMID25717051
PMCPMC4625702
OpenAlexW1972763157

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.