Evidence map›Paper›PMID 32922293›Full record

ArticleFrontiers in pharmacology2020

Trimetazidine Ameliorates Myocardial Metabolic Remodeling in Isoproterenol-Induced Rats Through Regulating Ketone Body Metabolism

Huihui Li, Zhi Ma, Yajun Zhai, Chao Lv, Peng Yuan, Feng Zhu, Liping Wei, Qi Li, Xin Qi

Open access · goldAbstract read
In one paragraph

Article in Frontiers in pharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
3.0field-weighted citation impact, top 7% 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

25 citing papers in PubMed, 37 citations in OpenAlex.

  1. Review
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  4. Trimetazidine in Cardiovascular Disease and Beyond: A Comprehensive Review.American journal of cardiovascular drugs : drugs, devices, and other interventions · 2025
    Review
  5. Energy metabolism in health and diseases.Signal transduction and targeted therapy · 2025
    Review
  6. Metabolic Reprogramming in Heart Failure: From Energy Starvation to Therapeutic Targets.Current treatment options in cardiovascular medicine · 2025
    Review
  7. Review
  8. Review
  9. Trimetazidine Improves Mitochondrial Dysfunction in SOD1International journal of molecular sciences · 2024
    Article
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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

9 authors at 3 institutions in 1 country.

Huihui LiSchool of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Zhi MaSchool of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Yajun ZhaiGraduate School, Tianjin Medical University, Tianjin, China.
Chao LvSchool of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Peng YuanSchool of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Feng ZhuSchool of Graduate Studies, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Liping WeiDepartment of Cardiology, Tianjin Union Medical Center, Tianjin, China.
Qi LiDepartment of Cardiology, Tianjin Union Medical Center, Tianjin, China.
Xin QiDepartment of Cardiology, Tianjin Union Medical Center, Tianjin, China.
Tianjin People's Hospital · CNTianjin University of Traditional Chinese Medicine · CNTianjin Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMetabolic remodeling plays a vital role in the development of heart failure. The trimetazidine can optimize fatty acid and glucose oxidation

methodsA rat model of heart failure was established by continuous subcutaneous injection of isoproterenol in 10 mg/kg/d. We examined body weight, heart weight index, and tested B-type natriuretic peptide by kit. We detected the structure and function of the heart. Hematoxylin-eosin staining and Masson's trichrome staining was performed to assess myocardial tissue morphology. To evaluate apoptosis, we used Tunel staining. Metabolic substrate contents of glucose, free fatty acid, ketone bodies, lactic acid, and pyruvate and ATP levels in myocardial tissues were measured with the corresponding kit. We detected the levels of protein expressions related to myocardial substrate uptake and utilization by Western blot.

resultsTrimetazidine remarkably reduced the heart weight index and B-type natriuretic peptide levels. Besides, trimetazidine increased the level of blood pressure and decreased heart rate. Moreover, trimetazidine inhibited decreases in left ventricular ejection fraction and left ventricular fractional shortening. Further, trimetazidine decreased the levels of collagen volume fraction and promoted ATP production in myocardial tissues. Trimetazidine also reduced the levels of free fatty acid, ketone bodies, lactic acid, and increased glucose and pyruvate levels in myocardial tissues. Furthermore, trimetazidine markedly inhibited apoptosis. More importantly, the protein expression levels related to myocardial substrate uptake and utilization increased dramatically in the trimetazidine group. In particular, the protein expressions related to ketone body utilization were prominent.

conclusionsTrimetazidine could attenuate metabolic remodeling and improve cardiac function in heart failure rats. The potential mechanism for the cardioprotective effect of trimetazidine may be highly associated with its regulation of adenosine monophosphate-activated protein kinase, and peroxisome proliferator activated receptor α expressions. Along with the regulation, myocardial substrate utilization was improved, especially the utilization of ketone bodies.

Indexed as

AMPKheart failureketone body metabolismmyocardial metabolic remodelingPPARαtrimetazidine

Identifiers

PMID32922293
PMCPMC7457052
OpenAlexW3049435425

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.