Evidence map›Paper›PMID 29899851›Full record

ArticleOncotarget2018

Association of mRNA expression of iron metabolism-associated genes and progression of non-alcoholic steatohepatitis in rats.

Teruhisa Higuchi, Mitsuhiko Moriyama, Akiko Fukushima, Hiroshi Matsumura, Shunichi Matsuoka, Tatsuo Kanda, Masahiko Sugitani, Akiko Tsunemi, Takahiro Ueno, Noboru Fukuda

Open access · diamondAbstract read
In one paragraph

Article in Oncotarget, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.1field-weighted citation impact, top 22% 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

8 citing papers in PubMed, 12 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 1 institution in 1 country.

Teruhisa HiguchiDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Mitsuhiko MoriyamaDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Akiko FukushimaDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Hiroshi MatsumuraDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Shunichi MatsuokaDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Tatsuo KandaDivision of Gastroenterology and Hepatology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Masahiko SugitaniDepartment of Pathology, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Akiko TsunemiDivision of Nephrology, Hypertension and Endocrinology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Takahiro UenoDivision of Nephrology, Hypertension and Endocrinology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Noboru FukudaDivision of Nephrology, Hypertension and Endocrinology, Department of Internal Medicine, Nihon University School of Medicine, Itabashi-Ku, Tokyo 173-8610, Japan.
Nihon University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundExcess iron is associated with non-alcoholic steatohepatitis (NASH).

resultsmRNA expression of duodenal cytochrome b, divalent metal transporter 1, ferroportin 1, hepcidin, hephaestin and transferrin receptor 1 in liver were higher in high fat, high cholesterol-containing diet (HFCD) group than in normal diet (ND) group. mRNA levels of divalent metal transporter 1 and transferrin receptor 1, which stimulate iron absorption and excretion, were enhanced in small intestine. Epithelial mucosa of small intestine in HFCD group was characterized by plasma cell and eosinophil infiltration and increased vacuoles. Iron absorption was enhanced in this NASH model in the context of chronic inflammation of small intestinal epithelial cells, consequences of intestinal epithelial cell impairment caused by HFCD. Iron is transported to hepatocytes via portal blood, and abnormalities in iron absorption and excretion occur in small intestine from changes in iron transporter expression, which also occurs in NASH liver. Knockdown of hepcidin antimicrobial peptide led to enhanced heavy chain of ferritin expression in human hepatocytes, indicating association between hepcidin production and iron storage in hepatocytes.

conclusionsIron-related transporters in liver and lower/upper portions of small intestine play critical roles in NASH development.

methodsExpression of iron metabolism-related genes in liver and small intestine was analyzed in stroke-prone spontaneously hypertensive rats (SHR-SP), which develop NASH. Five-week-old SHR-SP fed ND or HFCD were examined. mRNA and protein levels of iron metabolism-related genes in liver and small intestine from 12- and 19-week-old rats were evaluated by real-time RT-PCR and immunohistochemistry or Western blot.

Indexed as

HAMPintestineironNASHSHRSP5 rat

Identifiers

PMID29899851
PMCPMC5995254
OpenAlexW2803222941

What OpenQuestion holds

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LicenceCC BY
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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.