Cited by 30Genetic Neurodegenerative DiseasesIron Metabolism and DisordersNeurological diseases and metabolism

Frataxin overexpressing mice

Miranda, Carlos J, Santos, Manuela M, Ohshima, Keiichi, Tessaro, Marco, Sequeiros, Jorge, Pandolfo, Massimo·2004·FEBS Letters

Abstract

Friedreich ataxia, the most common autosomal recessive ataxia, is caused by frataxin deficiency. Reduction of frataxin has been associated with iron accumulation and sensitivity to iron induced oxidative stress. To better understand the function of frataxin, transgenic mice (tgFxn) overexpressing human frataxin were generated. Iron metabolism parameters in tgFxn were normal and no signs of ataxia or other obvious abnormalities were observed, indicating that overexpression of frataxin in mouse is innocuous. Several hypotheses for frataxin function were evaluated in tgFxn mice. In particular, we observed that TgFxn mice show an altered response during hematopoietic differentiation, suggesting that frataxin may directly affect heme synthesis.

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Crossref · 10.1016/j.febslet.2004.07.022

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Authors
Miranda, C. J., Santos, M. M., Ohshima, K., Tessaro, M., Sequeiros, J., & Pandolfo, M.
Affiliations
  • Universidade do Porto (PT)
  • Hôpital Notre-Dame (CA)
  • Université Libre de Bruxelles (BE)
Corresponding author
Pandolfo, Massimo
Venue
FEBS Letters
Publisher
Wiley
Published
2004-07-22
Volume
572
Issue
1-3
Pages
281-288
ISSN
  • 0014-5793 (ISSN-L)
  • 1873-3468
OpenAlex
W1966828804
Cited by
30
References
50
Citations by year
2022: 1 · 2020: 1 · 2019: 1 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 1 · 2014: 2
FWCI
1.29
Type
journal article
Language
en
Open access
closed
Locations
  • FEBS Letters (publishedVersion)
  • PubMed (publishedVersion)
  • Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) (submittedVersion)
Funders
  • National Institutes of Health (7r01ns034192-06)
  • National Institute of Neurological Disorders and Stroke (R01-NS34192)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
Keywords
frataxin, Friedreich's ataxia, transgenic mice, iron accumulation, oxidative stress, iron metabolism, heme biosynthesis, hematopoietic differentiation, autosomal recessive ataxia
MeSH terms
Frataxin, Animals, Erythrocyte Count, Friedreich Ataxia, Hematocrit, Hematopoiesis, Humans, Iron, Mice, Mutant Strains, Mice, Transgenic, Transferrin, Polymerase Chain Reaction, DNA Primers, Iron-Binding Proteins, Mice

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