ArticleMolecular genetics & genomic medicine2020
Genome-wide pathogenesis interpretation using a heat diffusion-based systems genetics method and implications for gene function annotation.
Article in Molecular genetics & genomic medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 3 citations in OpenAlex.
- Integrative genomic and bioinformatic prioritization of drug repurposing candidates for prostate cancer.BMC pharmacology & toxicology · 2025Article
- Genome-wide pathogenesis interpretation using a heat diffusion-based systems genetics method and implications for gene function annotation.Molecular genetics & genomic medicine · 2020Article
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5 authors at 2 institutions in 1 country.
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Abstract
backgroundGenetics is best dedicated to interpreting pathogenesis and revealing gene functions. The past decade has witnessed unprecedented progress in genetics, particularly in genome-wide identification of disorder variants through Genome-Wide Association Studies (GWAS) and Phenome-Wide Association Studies (PheWAS). However, it is still a great challenge to use GWAS/PheWAS-derived data to elucidate pathogenesis.
methodsIn this study, we used HotNet2, a heat diffusion-based systems genetics algorithm, to calculate the networks for disease genes obtained from GWAS and PheWAS, with an attempt to get deeper insights into disease pathogenesis at a molecular level.
resultsThrough HotNet2 calculation, significant networks for 202 (for GWAS) and 167 (for PheWAS) types of diseases were identified and evaluated, respectively. The GWAS-derived disease networks exhibit a stronger biomedical relevance than PheWAS counterparts. Therefore, the GWAS-derived networks were used for pathogenesis interpretation by integrating the accumulated biomedical information. As a result, the pathogenesis for 64 diseases was elucidated in terms of mutation-caused abnormal transcriptional regulation, and 47 diseases were preliminarily interpreted in terms of mutation-caused varied protein-protein interactions. In addition, 3,802 genes (including 46 function-unknown genes) were assigned with new functions by disease network information, some of which were validated through mice gene knockout experiments.
conclusionsSystems genetics algorithm HotNet2 can efficiently establish genotype-phenotype links at the level of biological networks. Compared with original GWAS/PheWAS results, HotNet2-calculated disease-gene associations have stronger biomedical significance, hence provide better interpretations for the pathogenesis of genome-wide variants, and offer new insights into gene functions as well. These results are also helpful in drug development.
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