ArticleCell reports2024
Carnitine palmitoyltransferase 1 facilitates fatty acid oxidation in a non-cell-autonomous manner.
Article in Cell reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.
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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.
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Who cites it
29 citing papers in PubMed, 1 synthesis or guideline pooled it.
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- Chronic Intermittent Hypoxia Exacerbates High-Fat Diet-Induced MASLD Through Lipid Metabolic Reprogramming, Impaired Antioxidant Defense, and NF-κB/NLRP3 Activation.Biomolecules · 2026Article
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Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Mitochondrial fatty acid oxidation is facilitated by the combined activities of carnitine palmitoyltransferase 1 (Cpt1) and Cpt2, which generate and utilize acylcarnitines, respectively. We compare the response of mice with liver-specific deficiencies in the liver-enriched Cpt1a or the ubiquitously expressed Cpt2 and discover that they display unique metabolic, physiological, and molecular phenotypes. The loss of Cpt1a or Cpt2 results in the induction of the muscle-enriched isoenzyme Cpt1b in hepatocytes in a Pparα-dependent manner. However, hepatic Cpt1b does not contribute substantively to hepatic fatty acid oxidation when Cpt1a is absent. Liver-specific double knockout of Cpt1a and Cpt1b or Cpt2 eliminates the mitochondrial oxidation of non-esterified fatty acids. However, Cpt1a/Cpt1b double knockout mice retain fatty acid oxidation by utilizing extracellular long-chain acylcarnitines that are dependent on Cpt2. These data demonstrate the non-cell-autonomous intercellular metabolism of fatty acids in hepatocytes.
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Registered trials
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