Evidence map›Paper›PMID 34533402›Full record

ArticleAmerican journal of physiology. Heart and circulatory physiology2021

Why the diabetic heart is energy inefficient: a ketogenesis and ketolysis perspective.

Paras Kumar Mishra

Open access · greenAbstract readEditorial
In one paragraph

Article in American journal of physiology. Heart and circulatory physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
4.7field-weighted citation impact, top 4% 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

17 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. Metabolic syndrome and a broken heart: trust your gut or risk your heart.American journal of physiology. Heart and circulatory physiology · 2026
    Review
  3. Review
  4. Review
  5. Review
  6. Recent advances associated with cardiometabolic remodeling in diabetes-induced heart failure.American journal of physiology. Heart and circulatory physiology · 2024
    Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Ironing out the details: ferroptosis and its relevance to diabetic cardiomyopathy.American journal of physiology. Regulatory, integrative and comparative physiology · 2023
    Review
  12. Article
  13. Review
  14. Article
  15. Guidelines on models of diabetic heart disease.American journal of physiology. Heart and circulatory physiology · 2022
    Review
  16. A 90-Day Safety Study of Meat fromLife (Basel, Switzerland) · 2022
    Article
  17. Article
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

1 author at 1 institution in 1 country.

Paras Kumar MishraDepartment of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, Nebraska.ORCID 0000-0002-7810-9239
University of Nebraska Medical Center · US

Funding

Tracking and Evaluation CoreU54GM115458 · NIGMS · UNIVERSITY OF NEBRASKA MEDICAL CENTER · PI ZHANG, YING · 2016 to 2025
$42.8M
The role of stress in the fetal origin of obesity and metabolic dysfunctionP20GM104320 · NIGMS · UNIVERSITY OF NEBRASKA LINCOLN · PI ZEMPLENI, JANOS · 2014 to 2024
$24.9M
HHS | National Institutes of Health (NIH) 1U54GM115458HHS | National Institutes of Health (NIH) P20GM104320NIGMS NIH HHS P20 GM104320NIGMS NIH HHS U54 GM115458
6 · The paper itself

Abstract

Lack of glucose uptake compromises metabolic flexibility and reduces energy efficiency in the diabetes mellitus (DM) heart. Although increased use of fatty acid to compensate glucose substrate has been studied, less is known about ketone body metabolism in the DM heart. Ketogenic diet reduces obesity, a risk factor for T2DM. How ketogenic diet affects ketone metabolism in the DM heart remains unclear. At the metabolic level, the DM heart differs from the non-DM heart because of altered metabolic substrate and the T1DM heart differs from the T2DM heart because of insulin levels. How these changes affect ketone body metabolism in the DM heart are poorly understood. Ketogenesis produces ketone bodies by using acetyl-CoA, whereas ketolysis consumes ketone bodies to produce acetyl-CoA, showing their opposite roles in the ketone body metabolism. Cardiac-specific transgenic upregulation of ketogenesis enzyme or knockout of ketolysis enzyme causes metabolic abnormalities leading to cardiac dysfunction. Empirical evidence demonstrates upregulated transcription of ketogenesis enzymes, no change in the levels of ketone body transporters, very high levels of ketone bodies, and reduced expression and activity of ketolysis enzymes in the T1DM heart. Based on these observations, I hypothesize that increased transcription and activity of cardiac ketogenesis enzyme suppresses ketolysis enzyme in the DM heart, which decreases cardiac energy efficiency. The T1DM heart exhibits highly upregulated ketogenesis compared with the T2DM heart because of the lack of insulin, which inhibits ketogenesis enzyme.

Indexed as

Energy MetabolismAnimalsBlood GlucoseCoenzyme A-TransferasesDiabetes Mellitus, Type 1Diabetes Mellitus, Type 2Diabetic CardiomyopathiesDiabetic KetoacidosisDiet, KetogenicFemaleHumansHydroxymethylglutaryl-CoA SynthaseInsulinKetone BodiesMaleMyocardium3-ketoacid CoA-transferaseBlood GlucoseCoenzyme A-TransferasesHydroxymethylglutaryl-CoA SynthaseInsulinKetone Bodiesfemaleketogenic dietketone bodymetabolismRandle cycle

Identifiers

PMID34533402
PMCPMC8803309
OpenAlexW3201655373

What OpenQuestion holds

Textmetadata
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.