Evidence map›Paper›PMID 30720104›Full record

ArticleMolecular medicine reports2019

Tetramethylpyrazine reduces inflammation in the livers of mice fed a high fat diet.

Bing Chen, Yaluan Ma, Xin Xue, Jie Wei, Gang Hu, Yajun Lin

Open access · hybridAbstract read
In one paragraph

Article in Molecular medicine reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
3.8field-weighted citation impact, top 8% 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

10 citing papers in PubMed, 14 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

6 authors at 2 institutions in 1 country.

Bing ChenInstitute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China.
Yaluan MaInstitute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China.
Xin XueInstitute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, P.R. China.
Jie WeiKey Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China.
Gang HuKey Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China.
Yajun LinKey Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China.
Beijing Hospital · CNChinese Academy of Medical Sciences & Peking Union Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study aimed to assess the protective effects of tetramethylpyrazine (TMP) on the livers of mice fed a high fat diet. The mice were divided into five groups: Regular diet; high fat diet; simvastatin‑treated; and low and high dose TMP‑treated groups. The results demonstrated that, compared with the control group, serum glucose, total cholesterol (TC) and low‑density lipoprotein cholesterol levels were increased in the model group. Additionally, compared with the model group, simvastatin lowered the TC level, whereas TMP did not. Compared with the control group, the level of malondialdehyde (MDA) in the liver tissue was increased and the level of glutathione peroxidase (GSH‑pX) in the liver tissue was decreased in the model group. Furthermore, compared with the model group, TMP decreased the level of MDA and increased the level of GSH‑Px; however, simvastatin did not have these effects. Immunohistochemistry and western blotting were performed; the results showed that, compared with the control group, the levels of inflammatory factors (tumor necrosis factor‑α and interleukin‑6) in the liver tissue were increased, and the ratio of phosphorylated (p)‑nuclear factor κB (NF‑κB)/NF‑κB was also increased in the model group. The addition of TMP and simvastatin demonstrated that, compared with the model group, the inflammatory factor levels and the ratio of p‑NF‑κB/NF‑κB were decreased. In addition, liver lipid deposition was examined in the model group using hematoxylin and eosin staining and Oil Red O staining, and the results showed that TMP and simvastatin reduced liver lipid deposition. Furthermore, compared with the control group, the reactive oxygen species (ROS) level in the liver tissue was increased. Compared with that in the model group, TMP and simvastatin decreased the ROS level. In conclusion, TMP, similar to simvastatin, exerted a notable hepatoprotective effect on mice fed a high fat diet with non‑alcoholic fatty liver disease, by inhibiting inflammatory factors and the p‑NF‑κB/ROS signaling pathway.

Indexed as

AnimalsAnti-Inflammatory AgentsBiomarkersBiopsyBlood GlucoseCytokinesDiet, High-FatDisease Models, AnimalFemaleHepatitisInflammation MediatorsMaleMiceNon-alcoholic Fatty Liver DiseaseOxidative StressPyrazinesAnti-Inflammatory AgentsBiomarkersBlood GlucoseCytokinesInflammation MediatorsPyrazinesReactive Oxygen Speciestetramethylpyrazine

Identifiers

PMID30720104
PMCPMC6423567
OpenAlexW2912847448

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.