ArticleJournal of the American Heart Association2015
Cardiac energy dependence on glucose increases metabolites related to glutathione and activates metabolic genes controlled by mechanistic target of rapamycin.
Article in Journal of the American Heart Association, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 37 citations in OpenAlex.
- Metabolic Adaptation in Acute Ischemic Events: The Critical Role of Acyl-Coenzyme A Synthetase Family in Myocardial Infarction and Ischemic Stroke.Journal of the American Heart Association · 2026Review
- Moxibustion ameliorates abnormal subchondral bone remodeling by promoting ACSL1-mediated autophagy to degrade NLRP3 in osteoarthritis.Chinese medicine · 2025Article
- Tissue specific roles of fatty acid oxidation.Advances in biological regulation · 2025Review
- Chemotherapy-Induced Changes in Plasma Amino Acids and Lipid Oxidation of Resected Patients with Colorectal Cancer: A Background for Future Studies.International journal of molecular sciences · 2024Article
- Allelic heterogeneity of TTNtv dilated cardiomyopathy can be modeled in adult zebrafish.JCI insight · 2024Article
- Anti-apoptotic MCL-1 promotes long-chain fatty acid oxidation through interaction with ACSL1.Molecular cell · 2024Article
- Comprehensive review on gene mutations contributing to dilated cardiomyopathy.Frontiers in cardiovascular medicine · 2023Review
- Oncometabolism: A Paradigm for the Metabolic Remodeling of the Failing Heart.International journal of molecular sciences · 2022Review
- The Inflamm-Aging Model Identifies Key Risk Factors in Atherosclerosis.Frontiers in genetics · 2022Article
- Narrative review of metabolomics in cardiovascular disease.Journal of thoracic disease · 2021Review
- Proteomic and Structural Manifestations of Cardiomyopathy in Rat Models of Obesity and Weight Loss.Frontiers in endocrinology · 2021Article
- Octanoate is differentially metabolized in liver and muscle and fails to rescue cardiomyopathy in CPT2 deficiency.Journal of lipid research · 2021Article
- Characterisation of the developing heart in a pressure overloaded model utilising RNA sequencing to direct functional analysis.Journal of anatomy · 2020Article
- Network-Based Functional Prediction Augments Genetic Association To Predict Candidate Genes for Histamine Hypersensitivity in Mice.G3 (Bethesda, Md.) · 2019Article
- The Giant Protein Titin's Role in Cardiomyopathy: Genetic, Transcriptional, and Post-translational Modifications of TTN and Their Contribution to Cardiac Disease.Frontiers in physiology · 2019Review
- Adverse Effects of Fenofibrate in Mice Deficient in the Protein Quality Control Regulator, CHIP.Journal of cardiovascular development and disease · 2018Article
- Modeling the Transition From Decompensated to Pathological Hypertrophy.Journal of the American Heart Association · 2018Article
- Role of titin in cardiomyopathy: from DNA variants to patient stratification.Nature reviews. Cardiology · 2018Review
- Plasma Amino Acid Abnormalities in Chronic Heart Failure. Mechanisms, Potential Risks and Targets in Human Myocardium Metabolism.Nutrients · 2017Article
- Loss of cardiac carnitine palmitoyltransferase 2 results in rapamycin-resistant, acetylation-independent hypertrophy.The Journal of biological chemistry · 2017Article
Corrections and comments
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
backgroundLong chain acyl-CoA synthetases (ACSL) catalyze long-chain fatty acids (FA) conversion to acyl-CoAs. Temporal ACSL1 inactivation in mouse hearts (Acsl1(H-/-)) impaired FA oxidation and dramatically increased glucose uptake, glucose oxidation, and mTOR activation, resulting in cardiac hypertrophy. We used unbiased metabolomics and gene expression analyses to elucidate the cardiac cellular response to increased glucose use in a genetic model of inactivated FA oxidation. METHODS AND
resultsMetabolomics analysis identified 60 metabolites altered in Acsl1(H-/-) hearts, including 6 related to glucose metabolism and 11 to cysteine and glutathione pathways. Concurrently, global cardiac transcriptional analysis revealed differential expression of 568 genes in Acsl1(H-/-) hearts, a subset of which we hypothesized were targets of mTOR; subsequently, we measured the transcriptional response of several genes after chronic mTOR inhibition via rapamycin treatment during the period in which cardiac hypertrophy develops. Hearts from Acsl1(H-/-) mice increased expression of several Hif1α-responsive glycolytic genes regulated by mTOR; additionally, expression of Scl7a5, Gsta1/2, Gdf15, and amino acid-responsive genes, Fgf21, Asns, Trib3, Mthfd2, were strikingly increased by mTOR activation.
conclusionsThe switch from FA to glucose use causes mTOR-dependent alterations in cardiac metabolism. We identified cardiac mTOR-regulated genes not previously identified in other cellular models, suggesting heart-specific mTOR signaling. Increased glucose use also changed glutathione-related pathways and compensation by mTOR. The hypertrophy, oxidative stress, and metabolic changes that occur within the heart when glucose supplants FA as a major energy source suggest that substrate switching to glucose is not entirely benign.
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Registered trials
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.