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Article dans une revue

Hereditary spastic paraplegia-like disorder due to a mitochondrial ATP6 gene point mutation

Abstract :

Hereditary spastic paraplegia refers to a genetically heterogeneous syndrome. We identified five members of a family suffering from a late-onset spastic paraplegia-like disorder, carrying the homoplasmic m.9176 T>C mutation in the mitochondrial ATP6 gene. The clinical severity of the disease observed in the family was correlated with the biochemical and assembly defects of the ATP synthase. The m.9176 T>C mutation has been previously associated to Leigh syndrome or familial bilateral striatal necrosis. Other factors such as modifying genes may be involved in the phenotypic expression of the disease. The family belongs to the mitochondrial haplogroup J, previously shown to play a role in modulating the phenotype of mitochondrial diseases and be associated with longevity. Moreover other nuclear modifying genes or environmental factors may contribute to the disease phenotype. This finding extends the genetic heterogeneity of the hereditary spastic paraplegia together with the clinical spectrum of mutations of the ATP6 gene.

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Article dans une revue
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https://hal.univ-angers.fr/hal-03408492
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Soumis le : vendredi 29 octobre 2021 - 10:45:48
Dernière modification le : samedi 30 octobre 2021 - 03:57:58

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Christophe Verny, Naïg Gueguen, Valérie Desquiret-Dumas, Arnaud Chevrollier, Adriana Prundean, et al.. Hereditary spastic paraplegia-like disorder due to a mitochondrial ATP6 gene point mutation. Mitochondrion, 2010, 11 (1), pp.70 - 75. ⟨10.1016/j.mito.2010.07.006⟩. ⟨hal-03408492⟩

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