Identification of a novel deletion in SURF1 gene: Heterogeneity in Leigh syndrome with COX deficiency.

Citation data:

Mitochondrion, ISSN: 1872-8278, Vol: 31, Page: 84-88

Publication Year:
2016
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Repository URL:
http://hdl.handle.net/10400.4/2049
PMID:
27756633
DOI:
10.1016/j.mito.2016.10.004
Author(s):
Ribeiro, Carolina, do Carmo Macário, Maria, Viegas, Ana Teresa, Pratas, João, Santos, Maria João, Simões, Marta, Mendes, Cândida, Bacalhau, Mafalda, Garcia, Paula, Diogo, Luísa, Grazina, Manuela Show More Hide
Publisher(s):
Elsevier BV
Tags:
Biochemistry, Genetics and Molecular Biology, Proteínas Mitocondriais, Doença de Leigh, Deficiência de Citocromo-c Oxidase
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article description
Leigh syndrome (LS) is a rare, progressive neurodegenerative mitochondrial disorder of infancy. It is a genetically heterogeneous disease. The mutations in SURF1 gene are the most frequently known cause. Here two cases of LS likely caused by SURF1 gene variants are reported: a 39-year-old male patient with a novel homozygous deletion (c.-11_13del), and a case of a 6-year-old boy with the same deletion and a nonsense mutation (c.868dupT), both in heterozygosity. Blue native PAGE showed absence of assembled complex IV. This is the first report of a variant that may abolish the SURF1 gene initiation codon in two LS patients.

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