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Adult Leigh Syndrome Associated with the m.15635T>C Mitochondrial DNA Variant Affecting the Cytochrome b (MT-CYB) Gene

Articolo
Data di Pubblicazione:
2025
Abstract:
We report on a sporadic patient suffering Leigh syndrome characterized by bilateral lesions in the lenticular nuclei and spastic dystonia, intellectual disability, sensorineural deafness, hypertrophic cardiomyopathy, exercise intolerance, and retinitis pigmentosa. Complete sequencing of mitochondrial DNA revealed the heteroplasmic nucleotide change m.15635T>C affecting a highly conserved amino acid position (p.Ser297Pro) in the cytochrome b (MT-CYB) gene on a haplogroup K1c1a background, which includes a set of four non-synonymous polymorphisms also present in the same gene. Biochemical studies documented respiratory chain impairment due to complex III defect. This variant fulfils the criteria for being pathogenic and was previously reported in a sporadic case of fatal neonatal polyvisceral failure.
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
Leigh syndrome; MT-CYB; mtDNA; Respiratory complex III
Elenco autori:
Tropeano, C. V.; La Morgia, C.; Achilli, A.; Iommarini, L.; Tioli, G.; Caporali, L.; Olivieri, A.; Valentino, M. L.; Liguori, R.; Barboni, P.; Martinuzzi, A.; Tonon, C.; Lodi, R.; Torroni, A.; Carelli, V.; Ghelli, A. M.
Autori di Ateneo:
ACHILLI ALESSANDRO
OLIVIERI ANNA
TORRONI ANTONIO
Link alla scheda completa:
https://iris.unipv.it/handle/11571/1519360
Pubblicato in:
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Journal
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URL

https://www.mdpi.com/1422-0067/26/3/1116
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