11 research outputs found

    Global Biobank Meta-analysis Initiative:Powering genetic discovery across human disease

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    Biobanks facilitate genome-wide association studies (GWASs), which have mapped genomic loci across a range of human diseases and traits. However, most biobanks are primarily composed of individuals of European ancestry. We introduce the Global Biobank Meta-analysis Initiative (GBMI)—a collaborative network of 23 biobanks from 4 continents representing more than 2.2 million consented individuals with genetic data linked to electronic health records. GBMI meta-analyzes summary statistics from GWASs generated using harmonized genotypes and phenotypes from member biobanks for 14 exemplar diseases and endpoints. This strategy validates that GWASs conducted in diverse biobanks can be integrated despite heterogeneity in case definitions, recruitment strategies, and baseline characteristics. This collaborative effort improves GWAS power for diseases, benefits understudied diseases, and improves risk prediction while also enabling the nomination of disease genes and drug candidates by incorporating gene and protein expression data and providing insight into the underlying biology of human diseases and traits.</p

    The Kappa platform for rule-based modeling

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    International audienceAbstractMotivation:We present an overview of the Kappa platform, an integrated suite of analysis andvisualization techniques for building and interactively exploring rule-based models. The main compo-nents of the platform are the Kappa Simulator, the Kappa Static Analyzer and the Kappa StoryExtractor. In addition to these components, we describe the Kappa User Interface, which includes arange of interactive visualization tools for rule-based models needed to make sense of the complexityof biological systems. We argue that, in this approach, modeling is akin to programming and can like-wise benefit from an integrated development environment. Our platform is a step in this direction.Results:We discuss details about the computation and rendering of static, dynamic, and causalviews of a model, which include the contact map (CM), snaphots at different resolutions, thedynamic influence network (DIN) and causal compression. We provide use cases illustrating howthese concepts generate insight. Specifically, we show how the CM and snapshots provide infor-mation about systems capable of polymerization, such as Wnt signaling. A well-understood modelof the KaiABC oscillator, translated into Kappa from the literature, is deployed to demonstrate theDIN and its use in understanding systems dynamics. Finally, we discuss how pathways might bediscovered or recovered from a rule-based model by means of causal compression, as exemplifiedfor early events in EGF signaling.Availability and implementation:The Kappa platform is available via the project website at kappa-language.org. All components of the platform are open source and freely available through theauthors’ code repositories

    Global Biobank Meta-analysis Initiative: Powering genetic discovery across human disease

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    Biobanks facilitate genome-wide association studies (GWASs), which have mapped genomic loci across a range of human diseases and traits. However, most biobanks are primarily composed of individuals of European ancestry. We introduce the Global Biobank Meta-analysis Initiative (GBMI)—a collaborative network of 23 biobanks from 4 continents representing more than 2.2 million consented individuals with genetic data linked to electronic health records. GBMI meta-analyzes summary statistics from GWASs generated using harmonized genotypes and phenotypes from member biobanks for 14 exemplar diseases and endpoints. This strategy validates that GWASs conducted in diverse biobanks can be integrated despite heterogeneity in case definitions, recruitment strategies, and baseline characteristics. This collaborative effort improves GWAS power for diseases, benefits understudied diseases, and improves risk prediction while also enabling the nomination of disease genes and drug candidates by incorporating gene and protein expression data and providing insight into the underlying biology of human diseases and traits

    Global Biobank Meta-analysis Initiative: Powering genetic discovery across human disease

    No full text
    Biobanks facilitate genome-wide association studies (GWASs), which have mapped genomic loci across a range of human diseases and traits. However, most biobanks are primarily composed of individuals of European ancestry. We introduce the Global Biobank Meta-analysis Initiative (GBMI)—a collaborative network of 23 biobanks from 4 continents representing more than 2.2 million consented individuals with genetic data linked to electronic health records. GBMI meta-analyzes summary statistics from GWASs generated using harmonized genotypes and phenotypes from member biobanks for 14 exemplar diseases and endpoints. This strategy validates that GWASs conducted in diverse biobanks can be integrated despite heterogeneity in case definitions, recruitment strategies, and baseline characteristics. This collaborative effort improves GWAS power for diseases, benefits understudied diseases, and improves risk prediction while also enabling the nomination of disease genes and drug candidates by incorporating gene and protein expression data and providing insight into the underlying biology of human diseases and traits.</p

    Evidence of a causal effect of genetic tendency to gain muscle mass on uterine leiomyomata

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    Uterine leiomyomata (UL) are the most common tumours of the female genital tract and the primary cause of surgical removal of the uterus. Genetic factors contribute to UL susceptibility. To add understanding to the heritable genetic risk factors, we conduct a genome-wide association study (GWAS) of UL in up to 426,558 European women from FinnGen and a previous UL meta-GWAS. In addition to the 50 known UL loci, we identify 22 loci that have not been associated with UL in prior studies. UL-associated loci harbour genes enriched for development, growth, and cellular senescence. Of particular interest are the smooth muscle cell differentiation and proliferation-regulating genes functioning on the myocardin-cyclin dependent kinase inhibitor 1A pathway. Our results further suggest that genetic predisposition to increased fat-free mass may be causally related to higher UL risk, underscoring the involvement of altered muscle tissue biology in UL pathophysiology. Overall, our findings add to the understanding of the genetic pathways underlying UL, which may aid in developing novel therapeutics.Peer reviewe
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