ArticleJHEP reports : innovation in hepatology2024
Palmitoylcarnitine impairs immunity in decompensated cirrhosis.
Article in JHEP reports : innovation in hepatology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Altered Acylcarnitine Metabolism in cardiac diseases: From molecular mechanisms to translational potential.International journal of cardiology. Heart & vasculature · 2026Review
- The Role of Mitochondrial Protein UPS1 in Regulating Pathogenicity of Candida albicans.Journal of fungi (Basel, Switzerland) · 2026Article
- Carnitine dysregulation in diabetic kidney disease: from pathogenic mechanism to precision biomarker.Journal of translational medicine · 2026Review
- Dietary Taurine Supplementation Improves Sperm Quality and Modulates Seminal Plasma Metabolism in Heat-Stressed Dairy Goat Bucks.Animals : an open access journal from MDPI · 2026Article
- Metabolic dysfunction-associated steatotic liver disease: On track to become the dominant etiology of hepatocellular carcinoma: Reply to correspondence on "Downregulation of the MARC1 p.A165 risk allele reduces hepatocyte lipid content by increasing beta-oxidation".Clinical and molecular hepatology · 2026Article
- Estropausal gut microbiota transplant improves measures of ovarian function in adult mice.Nature aging · 2026Article
- Metabolic alterations associated with cirrhosis after HCV cure in people with HIV: metabolomic and lipidomic findings at one and five years.Frontiers in immunology · 2026Article
- Integrated multi-platform metabolomics reveals fatty acid-mediated inflammatory signatures in pretibial myxedema.Frontiers in endocrinology · 2026Article
- Associations of neonatal birth outcomes with amino acids and acylcarnitines: an observational study of over 3.3 million newborns in China.BMC medicine · 2025Observational
- New insights into combined immunotherapy for hepatocellular carcinoma associated with liver cirrhosis.Frontiers in immunology · 2025Review
- Using Serum Metabolomic Signatures to Investigate Effects of Acupuncture on Pain-Fatigue-Sleep Disturbance in Breast Cancer Survivors.Metabolites · 2024Article
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Authors and funding
14 authors.
Funding
Abstract
Background & Aims: In patients with cirrhosis, acute decompensation (AD) correlates with a hyperinflammatory state driven by mitochondrial dysfunction, which is a significant factor in the progression toward acute-on-chronic liver failure (ACLF). Elevated circulating levels of acylcarnitine, indicative of mitochondrial dysfunction, are predictors of mortality in ACLF patients. Our hypothesis posits that acylcarnitines not only act as biomarkers, but also actively exert detrimental effects on circulating immune cells. Methods: Plasma acylcarnitine levels were measured in 20 patients with AD cirrhosis and 10 healthy individuals. The effects of selected medium- and long-chain acylcarnitines on mitochondrial function were investigated in peripheral leucocytes from healthy donors by determining mitochondrial membrane potential (Δψm) and mitochondrial respiration using the JC-1 dye and Agilent Seahorse XF technology. Changes regarding mitochondrial ultrastructure and redox systems were assessed by transmission electron microscopy and gene and protein expression analysis. Results: Plasma levels of several acylcarnitine species were significantly elevated in patients with AD cirrhosis compared with healthy individuals, alongside increased levels of inflammatory mediators (cytokines and chemokines). Notably, the long-chain acylcarnitine palmitoylcarnitine (C16:0-carnitine, 1.51-fold higher, Conclusions: Our findings suggest that long-chain acylcarnitines induce mitochondrial injury in immune cells, thereby contributing to the development of immune dysfunction associated with cirrhosis. Impact and implications: Patients with acute decompensation of cirrhosis and acute-on-chronic liver failure (ACLF) display a systemic hyperinflammatory state and leukocyte mitochondrial dysfunction. We discovered that apart from being increased in the circulation of these patients, the long-chain palmitoylcarnitine is able to elicit cytokine secretion paired with mitochondrial dysfunction in leukocytes from healthy donors. In particular, we show that inhibiting the metabolism of palmitoylcarnitine could reverse these detrimental effects. Our findings underline the importance of immunometabolism as a treatment target in patients with acute decompensation of cirrhosis and ACLF.
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