Cited by 55Metabolism and Genetic DisordersMitochondrial Function and PathologyLysosomal Storage Disorders Research

Mitochondrial dysfunction and oxidative damage cooperatively fuel axonal degeneration in X-linked adrenoleukodystrophy

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Fourcade, Stéphane, López-Erauskin, Jone, Ruiz, Montserrat, Ferrer, Isidre, Pujol, Aurora·2014·Biochimie

Abstract

X-linked adrenoleukodystrophy (X-ALD) is the most frequent inherited monogenic demyelinating disease (minimal incidence 1:17,000). It is often lethal and currently lacks a satisfactory therapy. The disease is caused by loss of function of the ABCD1 gene, a peroxisomal ATP-binding cassette transporter, resulting in the accumulation of VLCFA (very long-chain fatty acids) in organs and plasma. Understanding of the aetiopathogenesis is a prerequisite for the development of novel therapeutic strategies. Functional genomics analysis of an ABCD1 null mouse, a mouse model for adrenomyeloneuropathy, has revealed presymptomatic alterations in several metabolic pathways converging on redox and bioenergetic homeostasis, with failure of mitochondrial OXPHOS disruption and mitochondrial depletion. These defects could be major contributors to the neurodegenerative cascade, as has been reported in several neurodegenerative disorders. Drugs targeting the redox imbalance/mitochondria dysfunction interplay have shown efficacy at halting axonal degeneration and associated disability in the mouse, and thus offer therapeutic hope.

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Crossref · 10.1016/j.biochi.2013.09.012

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  • This adaptive metabolic homeostasis renders unlikely the hypothesis of mitochondrial energy deficiency as a primary mechanism of axonal degeneration in cALD or AMN.

    “This adaptive metabolic homeostasis renders unlikely the hypothesis of mitochondrial energy deficiency as a primary mechanism of axonal degeneration in cALD or AMN [179,181,182,288].”

    From Revisiting the Pathogenesis of X-Linked Adrenoleukodystrophy (2025) · cites this paper as [181]

  • In many neurodegenerative diseases, including AMN, axonal pathology precedes cell body loss in the form of dying back axonopathy.

    “In many neurodegenerative diseases, including AMN [49,89,181,187,288,294,295,296,297], axonal pathology precedes cell body loss in the form of “dying back axonopathy”, in which axons gradually degenerate toward the cell body [298,299].”

    From Revisiting the Pathogenesis of X-Linked Adrenoleukodystrophy (2025) · cites this paper as [181]

  • Absence of one or more peroxisomal functions can indirectly increase intracellular ROS because accumulation of compounds such as VLCFAs could be linked to disturbances in mitochondrial integrity, which secondarily increases ROS production.

    “Furthermore, the absence of one or more peroxisomal functions can indirectly increase the level of intracellular ROS, because under such conditions, the accumulation of particular compounds such as VLCFAs could be linked to disturbances in mitochondrial integrity, which secondarily increases the production rate of ROS [43,44].”

    From Peroxisomes in brain development and function (2016) · cites this paper as [43]

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Authors
Fourcade, S., López-Erauskin, J., Ruiz, M., Ferrer, I., & Pujol, A.
Affiliations
  • Instituto de Salud Carlos III (ES)
  • Institució Catalana de Recerca i Estudis Avançats (ES)
Corresponding author
Pujol, Aurora
Venue
Biochimie
Publisher
Elsevier BV
Published
2014-03
Volume
98
Pages
143-149
ISSN
  • 0037-9042 (ISSN-L)
  • 0300-9084
OpenAlex
W2089714024
Cited by
55
References
96
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 6 · 2020: 3 · 2019: 4 · 2018: 4 · 2017: 2 · 2016: 5 · 2015: 11 · 2014: 5
FWCI
0.72
Type
journal article
Language
en
Open access
Locations
  • Biochimie (publishedVersion)
  • PubMed (publishedVersion)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, other-oa)
Funders
  • European Commission (FP7-241622)
  • European Leukodystrophy Association (ELA2009-035I4, ELA2009-036C5, ELA2008-040C4)
  • Spanish Institute for Health Carlos III (FIS PI080991, FIS PI11/01043)
  • Oliver's army
  • Hesperia Foundation
  • Autonomous Government of Catalonia (2009SGR85)
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
  • Health Sciences › Medicine › Physiology › Lysosomal Storage Disorders Research
Keywords
X-linked adrenoleukodystrophy, ABCD1 gene, very long chain fatty acids, peroxisomal dysfunction, mitochondrial dysfunction, oxidative stress, axonal degeneration, demyelination, mitochondrial respiration, mitochondrial biogenesis, pioglitazone, immunoproteasome, redox homeostasis, bioenergetic failure, adrenomyeloneuropathy, neurodegeneration
MeSH terms
ATP Binding Cassette Transporter, Subfamily D, Member 1, Adrenoleukodystrophy, Animals, Axons, Disease Models, Animal, Energy Metabolism, Fatty Acids, Mitochondria, Mice, Knockout, Oxidative Stress, ATP-Binding Cassette Transporters, Neurodegenerative Diseases, Proteasome Endopeptidase Complex, Mice

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