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[Preprint]. 2024 Dec 18:arXiv:2412.14338v1.

GREGoR: Accelerating Genomics for Rare Diseases

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GREGoR: Accelerating Genomics for Rare Diseases

Moez Dawood et al. ArXiv. .

Abstract

Rare diseases are collectively common, affecting approximately one in twenty individuals worldwide. In recent years, rapid progress has been made in rare disease diagnostics due to advances in DNA sequencing, development of new computational and experimental approaches to prioritize genes and genetic variants, and increased global exchange of clinical and genetic data. However, more than half of individuals suspected to have a rare disease lack a genetic diagnosis. The Genomics Research to Elucidate the Genetics of Rare Diseases (GREGoR) Consortium was initiated to study thousands of challenging rare disease cases and families and apply, standardize, and evaluate emerging genomics technologies and analytics to accelerate their adoption in clinical practice. Further, all data generated, currently representing ~7500 individuals from ~3000 families, is rapidly made available to researchers worldwide via the Genomic Data Science Analysis, Visualization, and Informatics Lab-space (AnVIL) to catalyze global efforts to develop approaches for genetic diagnoses in rare diseases (https://gregorconsortium.org/data). The majority of these families have undergone prior clinical genetic testing but remained unsolved, with most being exome-negative. Here, we describe the collaborative research framework, datasets, and discoveries comprising GREGoR that will provide foundational resources and substrates for the future of rare disease genomics.

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Figures

Figure 1 |
Figure 1 |. Overview of GREGoR.
Strategic framework of the GREGoR Consortium for accelerating genomics in rare disease research, highlighting cross-cutting themes, systematic data generation, computational innovations, and endpoints of success.
Figure 2 |
Figure 2 |. Overview of Publicly Released GREGoR Data.
Summary of second public data release (dbGaP:phs003047). (A) Distribution of top 30 phenotypes in GREGoR based on Human Phenotype Ontology descriptions. (B) Table of numbers for probands and total individuals for each sequencing modality. (C) Venn diagram depicting overlap across short-read genomes, RNA-seq, and long-read genomes in data generation. (D) Family structures comprising the overall cohort from a total of n=3059 families. (E) Summary of current solved cases. Data is shared prior to analysis but even the current diagnostic outcomes underscore the challenges and opportunities in resolving rare disease cases that are previously exome negative.

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