Evidence map›Paper›PMID 30949903›Full record

ArticleDigestive diseases and sciences2019

Effects and Mechanism of Constitutive TL1A Expression on Intestinal Mucosal Barrier in DSS-Induced Colitis.

Mingyue Yang, Wenxiu Jia, Dong Wang, Fei Han, Weiwei Niu, Hong Zhang, David Q Shih, Xiaolan Zhang

Abstract read
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In one paragraph

Article in Digestive diseases and sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
4.0field-weighted citation impact, top 6% 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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 31 citations in OpenAlex.

  1. Pooled it
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 3 institutions in 2 countries.

Mingyue YangDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
Wenxiu JiaDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
Dong WangDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
Fei HanDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
Weiwei NiuDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
Hong ZhangDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China.
David Q ShihCedars-Sinai Inflammatory Bowel and Immunobiology Research Institute, Los Angeles, USA.
Xiaolan ZhangDepartment of Gastroenterology, The Second Hospital of Hebei Medical University, No. 80 Huanghe Road, Yuhua District, Shijiazhuang, 050000, Hebei, China. zhangxiaolan49@163.com.
Second Hospital of Hebei Medical University · CNCedars-Sinai Medical Center · USHebei Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe role of TL1A in the intestinal mucosa barrier in inflammatory bowel disease (IBD) is still unclear. This study was aimed to investigate the expression levels of tight junction protein (TJ), myosin light chain kinase (MLCK), MyD88 and tumor necrosis factor (TNF) receptor-associated factor-6 (TRAF6) and how TL1A influences the intestinal barrier in IBD.

methodsThe mouse models of IBD were built using FMS-TL1A-GFP-transgenic mice and wild-type mice. The morphological and histopathological changes, bacterial translocation, permeability of colonic mucosa, and LPS level were assessed. Caco-2 cells were used to further investigate the association between TL1A and TNF-α and LPS. The protein level and mRNA changes of TJ proteins including ZO-1, occluding, JAMA, claudin-1, claudin-2, and claudin-3 were investigated using Western blot and real-time PCR. Protein changes of MLCK, MyD88 and TNF receptor-associated factor-6 (TRAF6), and TNF-α mRNA in the mouse colon were further assessed.

resultsThe IBD models were successfully built. Cooper HS score and histopathological score of the colon were higher in DSS/WT group than in control/WT group (P < 0.05), higher in DSS/Tg group than in control/Tg group (P < 0.05), and higher in DSS/Tg group than in DSS/WT group. PAS, colonic permeability of the colon, and FITC-D examination showed the similar results and trends. Compared with control/WT group, the levels of TL1A and claudin-2 were higher and the levels of ZO-1, occludin, JAMA, claudin-1, and claudin-3 were lower in DSS/WT group (P < 0.05). Compared with control/Tg group, the levels of TL1A and claudin-2 were higher and the levels of ZO-1, occludin, JAMA, claudin-1, and claudin-3 were lower in DSS/Tg group. Compared with Caco-2 + TNF-α group, the expression level of occludin and claudin-1 in Caco-2 + LV-TNFSF15 + TNF-α group was significantly lower (P < 0.05); p-MLC level was significantly higher. Compared with Caco-2 + LPS group, the expression level of occludin and claudin-1 significantly decreased in Caco-2 + LV-TNFSF15 + LPS group; MyD88 and TRAF6 expression level significantly increased.

conclusionThe results suggested that TL1A could impair intestinal epithelial barrier in the mouse model of IBD and might regulate TJ expression via MLCK/p-MLC pathway and LPS-mediated MyD88/TRAF6 pathway.

Indexed as

Bacterial TranslocationDextran SulfateGastrointestinal MicrobiomeAnimalsCaco-2 CellsColitisColonDisease Models, AnimalFemaleHumansIntestinal MucosaMice, Inbred C57BLMice, TransgenicMyeloid Differentiation Factor 88Myosin-Light-Chain KinaseMyosin Light ChainsDextran SulfateMyd88 protein, mouseMyeloid Differentiation Factor 88Myosin-Light-Chain KinaseMyosin Light ChainsTight Junction ProteinsTNF Receptor-Associated Factor 6TNFSF15 protein, humanTnfsf15 protein, mouseTRAF6 protein, mouseTumor Necrosis Factor Ligand Superfamily Member 15ASIVInflammatory bowel diseaseIntestinal mucosal barrierTL1ATumor necrosis factor-α

Identifiers

PMID30949903
OpenAlexW2928033915

What OpenQuestion holds

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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.