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Title: participates in collaborative BBMRI-LPC project on Mitochondrial Disorders
Authors: Vella, Joanna
Borg, Joseph J.
Soler, Doriette
Vella, Norbert
Aquilina, Josanne
Said, Edith
Borg, Isabella
Felice, Alex
Keywords: Rare diseases -- Malta
Biobanks -- Malta
Biological resource centers
Issue Date: 2018
Citation: Vella, J., Borg, J.J. Soler, D., Vella, N., Aquilina, J., Said E…. Felice, A. (2018). participates in collaborative BBMRI-LPC project on Mitochondrial Disorders. Europe BioBank Week, Antwerp.
Abstract: The Malta BioBank ( participated in the BBMRI-LPC WES call. This was a collaborative research initiative jointly organised by BBMRI-LPC, EuroBioBank, RD-Connect and Centro Nacional de Análisis Genómico (CNAG-CRG). The goal was to sequence 50 exomes from patients with genetically undiagnosed mitochondrial disorders whose samples were banked within EuroBioBank. A total of 50 patients from Malta and Turkey consented to participate in the study. The Maltese cohort included 13 probands. WES and bioinformatics analysis were carried out at CNAG-CRG. Phenotypic data of each participant was recorded on PhenoTips. Exome data was analysed on the RD-Connect Genome-Phenome Analysis Platform. A comparative analysis of rare autosomal recessive mutations shows that some patients share the same variants. Rare missense mutations in the mitochondrial cytochrome B gene (MT-CYB) at positions 14766 and 15326 were present in 7 and 12 probands respectively. The mtDNA mutation at position 15326 (rs2853508) was not present in the reference Maltese Exome database, whereas that at position 14766 (rs193302980; rs57236041) had a frequency of 59%. The infrastructure for data sharing in rare disease research set up through RD-Connect will aid in establishing a genetic diagnosis for these rare disease patients. This initiative was supported by the National Alliance for Rare Diseases Support – Malta.
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