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MetabolomicsActivation of imprinted gene Pw1 promotes cardiac fibrosis after ischemic injury

Cardiac fibrosis, characterized by excessive extracellular matrix (ECM) deposition in the myocardium, is a critical target for heart disease treatments. Pw1 (paternally expressed gene 3) is an imprinted gene expressed from the paternally allele, and de novo purine biosynthesis (DNPB) is a crucial...

2024-12-03 | MTBLS11364 | MetaboLights
MetabolomicsCardiac untargeted lipidomics in cardiomyocyte-specific Srebp1a-Tg mice

Background: Heart failure with reduced ejection fraction (HFrEF) is characterized by impaired contractility and high mortality. Dysregulation of intracellular ion cycling underlies the decline in cardiac contractility. Modulation of cardiac Na+/H+ and Ca2+ handling is consider...

2026-02-20 | MTBLS13690 | MetaboLights
MetabolomicsSexual dimorphism in the fetal cardiac response to maternal nutrient restriction
Poor maternal nutrition causes intrauterine growth restriction (IUGR); however, its effects on fetal cardiac development are unclear. We have developed a baboon model of moderate maternal undernutrition, leading to IUGR. We hypothesized that the IUGR affects fetal cardiac structure and metabolism. S...
2018-04-30 | MTBLS426 | MetaboLights
MetabolomicsCharacteristics of myocardial structure and central carbon metabolism during the early and compensatory stages of cardiac hypertrophy
Cardiac hypertrophy is a classical forerunner of heart failure and myocardial structural and metabolic remodeling are closely associated with cardiac hypertrophy. We aim to investigate the characteristics of myocardial structure and central carbon metabolism of cardiac hypertrophy at different stage...
2024-08-23 | MTBLS10555 | MetaboLights
MetabolomicsGut microbiota production of trimethyl-5-aminovaleric acid reduces fatty acid oxidation and accelerates cardiac hypertrophy
Numerous studies found intestinal microbiota alterations which are thought to affect the development of various diseases through the production of gut-derived metabolites. However, the specific metabolites and their pathophysiological contribution to cardiac hypertrophy or heart failure progression ...
2021-12-08 | MTBLS3174 | MetaboLights
MetabolomicsCardiac disruption of SDHAF4-mediated mitochondrial complex II assembly promotes dilated cardiomyopathy
Succinate dehydrogenase, which is known as mitochondrial complex II, has proven to be a fascinating machinery, attracting renewed and increased interest in its involvement in human diseases. Herein, we find that succinate dehydrogenase assembly factor 4 (SDHAF4) is downregulated in cardiac muscle in...
2022-08-12 | MTBLS4579 | MetaboLights
MetabolomicsTRIM47 promotes cardiac ischemia/reperfusion injury
This study shows that TRIM47 is upregulated in cardiomyocytes during cardiac I/R injury in an EGR1-dependent manner, correlating with injury severity. Cardiomyocyte-specific TRIM47 overexpression worsens, while TRIM47 knockout alleviates, I/R-induced cardiac injury and dysfunction. Mechanistically, ...
2026-08-28 | MTBLS14676 | MetaboLights
MetabolomicsCardiac untargeted lipidomics in cardiomyocyte-specific SREBP1 knockdown mice

Background: Heart failure with reduced ejection fraction (HFrEF) is characterized by impaired contractility and high mortality. Dysregulation of intracellular ion cycling underlies the decline in cardiac contractility. Modulation of cardiac Na+/H+ and Ca2+ handling is consider...

2026-02-20 | MTBLS13696 | MetaboLights
MetabolomicsCross-modal Integration of Metabolomics and Cardiac Functionality Captures Dynamic Metabotoxic Effects of Doxorubicin in Engineered Heart Tissues

Functional stem cell-derived heart models offer new avenues for preclinical, animal-free physiological assessment of drug cardiotoxicity. Yet, comprehensive molecular profiling in these models remains limited, leaving key metabolic drivers of cardiotoxicity unexplored.

Here, we leveraged an...

2025-12-07 | MTBLS13225 | MetaboLights
MetabolomicsTargeting STK39 ameliorates cardiac remodeling by Improving Mitochondrial function through degradation of IFIT3

Pathological cardiac remodeling in response to sustained pressure overload is a pivotal process in the progression of heart failure (HF), yet the underlying molecular mechanisms remain incompletely understood, limiting therapeutic development. Here, we identify serine/threonine kinase 39 (STK39) ...

2026-09-28 | MTBLS15834 | MetaboLights
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