Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Quinodoz, M; Royer-Bertrand, B; Cisarova, K; Di, Gioia, SA; Superti-Furga, A; Rivolta, C.
DOMINO: Using Machine Learning to Predict Genes Associated with Dominant Disorders.
Am J Hum Genet. 2017; 101(4): 623-629.
Doi: 10.1016/j.ajhg.2017.09.001
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- Co-Autor*innen der Med Uni Graz
- Vizar Cisarova Katarina
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- Abstract:
- In contrast to recessive conditions with biallelic inheritance, identification of dominant (monoallelic) mutations for Mendelian disorders is more difficult, because of the abundance of benign heterozygous variants that act as massive background noise (typically, in a 400:1 excess ratio). To reduce this overflow of false positives in next-generation sequencing (NGS) screens, we developed DOMINO, a tool assessing the likelihood for a gene to harbor dominant changes. Unlike commonly-used predictors of pathogenicity, DOMINO takes into consideration features that are the properties of genes, rather than of variants. It uses a machine-learning approach to extract discriminant information from a broad array of features (N = 432), including: genomic data, intra-, and interspecies conservation, gene expression, protein-protein interactions, protein structure, etc. DOMINO's iterative architecture includes a training process on 985 genes with well-established inheritance patterns for Mendelian conditions, and repeated cross-validation that optimizes its discriminant power. When validated on 99 newly-discovered genes with pathogenic mutations, the algorithm displays an excellent final performance, with an area under the curve (AUC) of 0.92. Furthermore, unsupervised analysis by DOMINO of real sets of NGS data from individuals with intellectual disability or epilepsy correctly recognizes known genes and predicts 9 new candidates, with very high confidence. In summary, DOMINO is a robust and reliable tool that can infer dominance of candidate genes with high sensitivity and specificity, making it a useful complement to any NGS pipeline dealing with the analysis of the morbid human genome.
- Find related publications in this database (using NLM MeSH Indexing)
- Databases, Genetic - administration & dosage
- Genes, Dominant - administration & dosage
- Genetic Diseases, Inborn - genetics
- Genome, Human - administration & dosage
- Genomics - administration & dosage
- High-Throughput Nucleotide Sequencing - methods
- Humans - administration & dosage
- Machine Learning - administration & dosage
- Mutation - administration & dosage
- Software - administration & dosage