Cited by 1,020Metabolism and Genetic DisordersMitochondrial Function and PathologyLipid metabolism and biosynthesis

A general introduction to the biochemistry of mitochondrial fatty acid β‐oxidation

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Houten, Sander Michel, Wanders, Ronald J. A.·2010·Journal of Inherited Metabolic Disease

Abstract

Over the years, the mitochondrial fatty acid β-oxidation (FAO) pathway has been characterised at the biochemical level as well as the molecular biological level. FAO plays a pivotal role in energy homoeostasis, but it competes with glucose as the primary oxidative substrate. The mechanisms behind this so-called glucose-fatty acid cycle operate at the hormonal, transcriptional and biochemical levels. Inherited defects for most of the FAO enzymes have been identified and characterised and are currently included in neonatal screening programmes. Symptoms range from hypoketotic hypoglycaemia to skeletal and cardiac myopathies. The pathophysiology of these diseases is still not completely understood, hampering optimal treatment. Studies of patients and mouse models will contribute to our understanding of the pathogenesis and will ultimately lead to better treatment.

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  • CPT1 itself is allosterically inhibited by the fatty acid synthesis intermediate malonyl-CoA.

    “CPT1 itself is allosterically inhibited by the fatty acid synthesis intermediate malonyl-CoA (41, 63).”
  • CPT1 forms acylcarnitines from fatty acyl CoAs; acylcarnitines are shuttled into mitochondria through SLC25A20; CPT2 liberates fatty acid from carnitine, initiating FAO.

    “The outer mitochondrial membrane (OMM) enzyme carnitine palmitoyl transferase 1 (CPT1) forms acylcarnitines from fatty acyl CoAs.50 Acylcarnitines are shuttled into mitochondria through the carnitine–acylcarnitine translocase (SLC25A20) in the IMM. CPT2 liberates FA from carnitine, initiating FAO.51”
  • Mitochondrial fatty acid oxidation's specific role in human energy homeostasis became obvious from severe, life-threatening hypoketotic hypoglycemia elicited by prolonged fasting in children with diminished function of the pathway.

    “Mitochondrial fatty acid oxidation was understood to be an efficient bioenergetic pathway, but its specific role in human energy homeostasis became obvious from the severe, life-threatening hypoketotic hypoglycemia elicited by prolonged fasting in children with diminished function of the pathway (Houten and Wanders, 2010).”

    From Cellular Metabolism and Disease: What Do Metabolic Outliers Teach Us? (2012) · cites this paper as Houten and Wanders, 2010

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Authors
Houten, S. M., & Wanders, R. J. A.
Affiliations
Amsterdam UMC Location University of Amsterdam (NL)
Corresponding author
Houten, Sander Michel
Venue
Journal of Inherited Metabolic Disease
Publisher
Wiley
Published
2010-03-02
Volume
33
Issue
5
Pages
469-477
ISSN
  • 0141-8955 (ISSN-L)
  • 1573-2665
OpenAlex
W2043054174
Cited by
1,020
References
80
Citations by year
2026: 109 · 2025: 108 · 2024: 91 · 2023: 79 · 2022: 78 · 2021: 94 · 2020: 110 · 2019: 64 · 2018: 63 · 2017: 58 · 2016: 33 · 2015: 38 · 2014: 28 · 2013: 27 · 2012: 24
FWCI
2.16
Type
journal article
Language
en
Open access
Locations
  • Journal of Inherited Metabolic Disease (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (publishedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
Funders
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
mitochondrial beta-oxidation, glucose-fatty acid cycle, energy homeostasis, newborn screening, skeletal myopathy, cardiomyopathy, mouse model
MeSH terms
Animals, Disease Models, Animal, Energy Metabolism, Fatty Acids, Genotype, Homeostasis, Humans, Lipid Metabolism, Inborn Errors, Mitochondria, Oxidation-Reduction, Phenotype, Mitochondrial Diseases, Mice

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