Genomic analysis of mitochondrial diseases in a consanguineous population reveals novel candidate disease genes
Abstract
Objective: To investigate the utility of autozygome analysis and exome sequencing in a cohort of patients with suspected or confirmed mitochondrial encephalomyopathy. Methods: Autozygome was used to highlight candidate genes for direct sequencing in 10 probands, all born to consanguineous parents. Autozygome was also used to filter the variants from exome sequencing of four probands. Results: In addition to revealing mutations in known mitochondrial genes, the analysis revealed the identification of two novel candidate disease genes: MFF and FARS2, encoding the mitochondrial fission factor and phenylalanyl-tRNA synthetase, respectively. Interpretation: These findings expand the repertoire of genes that are mutated in patients with mitochondrial disorders and highlight the value of integrating genomic approaches in the evaluation of these patients.
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Patients with mutations in the DRP1 receptor MFF suffer from developmental delay and acquired microcephaly, seizures, spasticity, and optic atrophy.
“Patients with mutations in the DRP1 receptor MFF, suffer from developmental delay and acquired microcephaly, seizures, spasticity, and optic atrophy [204, 205].”
From The connection between the dynamic remodeling of the mitochondrial network and the regulation of muscle mass (2021) · cites this paper as [204]
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- Authors
- Shamseldin, H. E., Alshammari, M., Al-Sheddi, T., Salih, M. A., Alkhalidi, H., Kentab, A., Repetto, G. M., Hashem, M., & Alkuraya, F. S.
- Affiliations
- King Faisal Specialist Hospital & Research Centre (SA)
- King Saud University (SA)
- Clínica Alemana (CL)
- Alfaisal University (SA)
- Corresponding author
- Alkuraya, Fowzan S
- ORCID
- Venue
- Journal of Medical Genetics
- Publisher
- BMJ
- Published
- 2012-04
- Volume
- 49
- Issue
- 4
- Pages
- 234-241
- ISSN
- 0022-2593 (ISSN-L)
- 1468-6244
- OpenAlex
- W2099580353
- Cited by
- 182
- References
- 35
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 6 · 2023: 8 · 2022: 18 · 2021: 19 · 2020: 20 · 2019: 13 · 2018: 12 · 2017: 15 · 2016: 13 · 2015: 13 · 2014: 9 · 2013: 16 · 2012: 7
- FWCI
- 5.78
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Medical Genetics (publishedVersion)
- PubMed (publishedVersion)
- Funders
- King Faisal Specialist Hospital and Research Centre
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomics and Rare Diseases
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
- Keywords
- mitochondrial disease, mitochondrial encephalomyopathy, consanguinity, exome sequencing, candidate disease genes, Mff, mitochondrial fission factor, phenylalanyl-tRNA synthetase, novel mutations
- MeSH terms
- Brain, Consanguinity, Female, Genotype, Humans, Male, Membrane Proteins, Mitochondria, Mutation, Pedigree, Phenotype, Mitochondrial Encephalomyopathies, Sequence Analysis, DNA, Genomics, Mitochondrial Proteins, Mitochondrial Diseases, Exome
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