Cited by 461Mitochondrial Function and PathologyMetabolism and Genetic DisordersGenomics and Rare Diseases

Pearson's marrow–pancreas syndrome. A multisystem mitochondrial disorder in infancy

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Rötig, A, Cormier, V, Blanche, S, Bonnefont, J P, Ledeist, F, Romero, N, Schmitz, J, Rustin, P +2 more·1990·Journal of Clinical Investigation

Abstract

Pearson's marrow-pancreas syndrome (McKusick No. 26056) is a fatal disorder of hitherto unknown etiology involving the hematopoietic system, exocrine pancreas, liver, and kidneys. The observation of high lactate/pyruvate molar ratios in plasma and abnormal oxidative phosphorylation in lymphocytes led us to postulate that Pearson's syndrome belongs to the group of mitochondrial cytopathies. Since rearrangements of the mitochondrial genome between direct DNA repeats were consistently found in all tissues tested, our results show that this disease is in fact a multisystem mitochondrial disorder, as suggested by the clinical course of the patients. Based on these observations, we would suggest giving consideration to the hypothesis of a defect of oxidative phosphorylation in elucidating the origin of other syndromes, especially those associated with an abnormal oxidoreduction status in plasma.

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  • Pearson syndrome is characterised by a very high level of large-scale single mtDNA deletion present in all tissues.

    “In these children, there is a very high level of large-scale single mtDNA deletion present in all tissues [108].”

    From Mitochondrial DNA mutations and human disease (2010) · cites this paper as [108]

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Research works printed but not linked: 1

  1. Giles, R. E., H. Blanc, H. M. Cann, and D. C. Wallace. 1980. Maternal inheritance ofhuman mitochondrial DNA. Proc. Natl. Acad. Sci. USA. 77:6715-6719.

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Authors
Rötig, A., Cormier, V, Blanche, S., Bonnefont, J. P., Ledeist, F., Romero, N., Schmitz, J., Rustin, P., Fischer, A., & Saudubray, J. M.
Affiliations
Inserm (FR)
Venue
Journal of Clinical Investigation
Published
1990-11-01
Volume
86
Issue
5
Pages
1601-1608
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2019039833
Cited by
461
References
24
Citations by year
2026: 7 · 2025: 6 · 2024: 9 · 2023: 7 · 2022: 8 · 2021: 12 · 2020: 7 · 2019: 10 · 2018: 8 · 2017: 7 · 2016: 10 · 2015: 13 · 2014: 11 · 2013: 9 · 2012: 8
FWCI
8.27
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Institut National de la Santé et de la Recherche Médicale
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
Keywords
mitochondrial disease, mitochondrial genome rearrangement, oxidative phosphorylation defects, lactate/pyruvate ratio, exocrine pancreatic insufficiency, hematopoietic failure, infancy
MeSH terms
Anemia, Sideroblastic, Base Sequence, Chromosome Deletion, DNA, Mitochondrial, Female, Humans, Infant, Newborn, Male, Mitochondria, Molecular Sequence Data, Oxidation-Reduction, Oxidative Phosphorylation, Exocrine Pancreatic Insufficiency, Repetitive Sequences, Nucleic Acid, Syndrome, Blotting, Southern, Gene Rearrangement

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