concept clearance: understanding the impact of genomic … · 2020. 2. 22. · understanding genome...
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Mike Pazin, Stephanie Morris, and Dan GilchristDivision of Genome Sciences, NHGRI, NIH10-11 February 2020 Council
Concept Clearance: Understanding the Impact of Genomic Variation on Genome Function
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NHGRI LeadershipNHGRI Function Team
Division of Genome SciencesGenome to Phenotype Workshop participants
Thank you
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Background
Proposed Scope And Objectives
Relationship To Ongoing Activities
Discussion And Vote3
Overview
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Structure For Proposed Program
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5) Data Coordination Center
1) Functional Characterization
Centers
Test Variant Impact
4) Predictive Modeling Projects
Predict Variant Impact
3) Regulatory NetworkProjects
Network Maps
2) Mapping Centers
Functional Activity Maps
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Background
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NHGRI 2020 Strategic Planning
NHGRI 2020 Strategic Planning
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Genome To Phenotype Workshop
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Related Ideas From The Genome To Phenotype Workshop
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Functional genomics at scale
Deep perturbation profiling, proximal molecular readout of variants
Single cell multi-omic technology
Large-scale perturbations in pools of cells followed by high-content, high-resolution data collection
Transferable gene regulatory or multi-scale models from multi-layered data across biological systems
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• Understanding how genomic variation affects genome function
• Moving from association to a causal understanding of how variation impacts human health and disease
• Improving variant interpretation
• Predicting the function of untested variants
Scientific Challenges To Address
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Understanding Genome Function Is At The Forefront of Genomics
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• NHGRI is positioned to make a major impact in understanding genome function
• Value in continuing, and even potentially increasing, our commitment in this area
• Recognize this proposed concept addresses only a portion of the larger field of genome function
• Expect understanding function to be foundational in 2020 strategic plan
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Proposed Scope And Objectives
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Interpreting variants and candidate genotype/phenotype associations
Challenge/Opportunity
Understanding how genetic variation impacts genome function, phenotypes (including disease)Objective
Data collection, community data resource, integrative data analysis, and predictive modelingImplementation
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Significance
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Systematic Genome Perturbation and Characterization• ENCODE• LINCS
Systematic Identification of Functional Elements• ENCODE• Roadmap Epigenomics Mapping Centers (REMC)• GTEx
Predictive Gene Regulatory Networks• Genomics of Gene Regulation (GGR)
Predicting Causal Variants• Non-coding Variants Program (NoVa)
Weaving Threads from Other Projects
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Transform our understanding of how variation impacts function and leads to phenotypes in health and disease1) Test impact of genomic variation on function2) Determine where and when regulatory elements and genes
are active3) Explore role of sequences in regulating gene networks and
establishing phenotypes4) Model and predict relationships among genomic variation,
function, and phenotype5) Establish a resource to enable future studies
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Program Objectives
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Structure For Proposed Program
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5) Data Coordination Center
1) Functional Characterization
Centers
Test Variant Impact
4) Predictive Modeling Projects
Predict Variant Impact
3) Regulatory NetworkProjects
Network Maps
2) Mapping Centers
Functional Activity Maps
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Resource and Research
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Resource Research
Mapping Centers
Data Coord. Center
Functional Char. Centers
Regulatory Network Projects
Predictive Modeling Projects
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Goal: Improve Understanding of the Relationships Between Variation and Genome Function
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1) Functional Characterization
Centers
Test Variant Impact
• Systematically apply high-throughput genomic perturbation methods
• Test non-coding and/or protein-coding functional elements• Assay and catalog impact of perturbations• Refine and develop novel generalizable approaches
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Goal: Improve Ability to Determine Where and When Regulatory Elements and Genes Are Active
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2) Mapping Centers
Functional Activity Maps
• Obtain high-value biological samples• Establish multi-omics pipelines for high-throughput
mapping at single-cell resolution to:• Map functional regions while preserving information
about biological and/or spatial context• Identify cell type-specificity and gene-specificity of
regulatory elements
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Goal: Explore the Roles of Sequence in Regulating Gene Networks and Establishing Phenotypes
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3) Regulatory Network Projects
Network Maps
• Collect data with spatial/temporal resolution• Measure differences in gene and regulatory element
activity during biological changes• Identify gene regulatory networks• Place variants, elements, and phenotypes in networks
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Goal: Develop Computational Approaches To Model Relationships Among Variation, Function, and Phenotype
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4) Predictive Modeling Projects
Predict Variant Impact
• Develop, apply, and experimentally test predictive models• Create tools to enable inferences about genome function• Prioritize samples, approaches, and experiments for the
consortium to conduct the most informative experiments• Provide analytical expertise for consortium-wide efforts
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Goal: Establish a Resource to Enable Future Studies of Variation, Function, and Phenotype
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5) Data Coordination Center
Build Community Resource
• Provide community access to data, software, and resources
• Make data available in a form ready for advanced machine-learning approaches
• Work with other groups to facilitate data integration, joint analysis, and sharing of standards and best practices
• Organize consortium activities
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Shared Activities
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• Contribute data, metadata, analyses, and software to the Data Coordination Center and appropriate repositories
• Planning, implementation, and analysis of consortium-wide or component-wide projects
• Develop standards and establish data quality metrics• Share best practices and lessons learned• Contribute to outreach efforts
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Synergies Within The Program
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1) Functional Characterization
Centers
Test Variant Impact
4) Predictive Modeling Projects
Predict Variant Impact
3) Regulatory NetworkProjects
Network Maps
2) Mapping Centers
Functional Activity Maps
5) Data Coordination Center
Characterization centers help prioritize samples to be mapped; element maps inform testing by systematic perturbation
Characterization and mapping data inform predictive models; models help prioritize variants to test, samples to map
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Expected Outcomes
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Key Outcome: Understanding how genomic variation impacts genome function• Identify and characterize functional elements• Model variants and elements in networks and pathways• Improve variant interpretation
Key Outcome: Catalogs of variant impact
• Data resource• Tools, models, methods, standards, technologies
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Component Objective # Awards TC/year1) Functional
Characterization Centers
To characterize the effects of genomic variation on genome function 7-10 $15M
2) Mapping Centers
To identify where and when regulatory elements and genes are active 3-5 $8M
3) Regulatory Network Projects
To explore the role of functional genomic elements in regulating networks and influencing phenotypes
5-7 $7M
4) Predictive Modeling Projects
To develop computational approaches to model and predict relationships among genomic variants, genome function, and phenotype
6-8 $5M
5) Data Coordinating Center
To enable future studies by organizing data, methods, and software and distributing them to the community
1 $5M
Total $40M
Overview of Program Components
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Relationship To Ongoing Activities
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Other NHGRI Activities That Augment This Program
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Impact of GenomicVariation
on Function Initiative
CEGS program
UnsolictedParent R01/R21
Novel genomic technology PAR
Computational Genomics Data Science PAR
Variation, Function and Disease PA
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Program Interactions
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5) Data Coordination Center
HUBMAP and HCA
IHEC
ClinGenVariant
Discovery Projects
1) Functional Characterization
Centers
Test Variant Impact
4) Predictive Modeling Projects
Predict Variant Impact
3) Regulatory NetworkProjects
Network Maps
2) Mapping Centers
Functional Activity Maps
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Understanding How Genomic Variation Affects
Genome Function- One of the central challenges in
biology
- We think now is the time to bring new approaches to this problem
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Discussion And Vote
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Interpreting variants and candidate genotype/phenotype associations
Challenge/Opportunity
Understanding how genetic variation impacts genome function, phenotypes (including disease)Objective
Data collection, community data resource, integrative data analysis, and predictive modelingImplementation
32
Significance
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• Single-cell resolution• Spatial and/or temporal resolution• Systematic genome-scale functional characterization
of both protein-coding and non-coding regions
• Network-level and enhanced causality inferences• Predictive models for untested variants
New Ideas In Proposed Initiative
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Foundational Projects
34HUBMAP and HCA
5) Data Coordination Center
Key Outcome: Catalogs of Variant Impact
Test Variant Impacts
- Systematic Genome Perturbation
Predict Variant Impacts
- AI/ML- Validate and Refine
Regulatory Networks
- Dynamic Systems- Single-cell Resolution
- Spatial Resolution
FunctionalActivity Maps
- Single-cell Resolution- Spatial Resolution
1) Func. Char. Centers
2) Mapping Centers
4) Pred. Modeling Proj.
3) Reg. Network Proj.
ENCODE
REMC GGR
NOVA
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• Discovery and Interpretation of Variation Associated with Human Health and Disease
• Functional genomics at scale• Address Basic Research Questions in Genome Variation…
• ….• Predict and Characterize Functional Consequences of Genome
Variation…• ….
• Generate Data Resources, Methods, Technologies and Computational Capabilities
• Large-scale perturbations in pools of cells followed by high-content, high-resolution data collection
Recommendations from the Genome to Phenotype Workshop
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Structure For Proposed Program
36
Production and Resource$30 M
5) Data Resource
$5M
Identify where/when regulatory elements
are active$10M
Identify element functions and
impacts of genetic variation
$15M
Research and Resource$10 M
Networks and causality via
spatial/temporal resolution
$5M
Integrative analysis and predictive
modeling$5M
1) Func. Char. Centers2) Mapping Centers 4) Pred. Modeling Proj.3) Reg. Network Proj.
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Program Interactions
37
5) Data Coordination Center
Key Outcome: Catalogs of Variant Impact
Test Variant Impacts
- Systematic Genome Perturbation
Predict Variant Impacts
- AI/ML- Validate and Refine
Regulatory Networks
- Dynamic Systems- Single-cell Resolution
- Spatial Resolution
FunctionalActivity Maps
- Single-cell Resolution- Spatial Resolution
1) Func. Char. Centers
2) Mapping Centers
4) Pred. Modeling Proj.
3) Reg. Network Proj.
HUBMAP and HCA
IHEC
ClinGenVariant
Discovery Projects
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Structure For Proposed Program
38
Resource Production Research
5) Data Coord. Center
2) Mapping Centers1) Functional
Characterization Centers
3) Regulatory Network Projects
4) Predictive Modeling Projects
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Component Objective # Awards TC/year1) Functional Characterization Centers
To characterize the effects of genomic variation on genome function
7-10 $15M
2) Mapping Centers
To identify where and when regulatory elements and genes are active
3-5 $8M
3) Regulatory Network Projects
To explore the role of functional genomic elements in regulating networks and influencing phenotypes
5-7 $7M
4) Predictive Modeling Projects
To develop computational approaches to model and predict relationships among genomic variants, genome function, and phenotype
6-8 $5M
5) Data Coordinating Center
To enable future studies by organizing data, methods, and software and distributing them to the community
1 $5M
Total $40M
Overview of Program Components
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• One of the central challenges in biology
• We don’t do this as well as we’d like
Understanding How Genomic Variation Affects Genome Function
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• Many genomic variants have been identified• Which affect phenotype?• What phenotypes do they affect?
Variation And Phenotype
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• Many genes and variants are associated with a disease
• Which variants are causal?• Which combinations are causal?• What are the affected genes and cell types?
Variation and GWAS
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• Until recently relatively low throughput or low resolution approaches
• Current algorithms to predict the function of untested variants are not as accurate as we’d like
Variant Interpretation Has Not Kept Pace With Discovery Or Association
43