Predicting the impact of genetic variants, genes and pathways on human Disease

预测遗传变异、基因和途径对人类疾病的影响

基本信息

  • 批准号:
    10483152
  • 负责人:
  • 金额:
    $ 78.89万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-07 至 2026-05-31
  • 项目状态:
    未结题

项目摘要

Project Summary Over the past decade, genome-wide association studies have discovered complex disease-associated genetic variants while at the same time whole genome sequencing studies have been identifying risk alleles for Mendelian and complex diseases. These variants have the potential to shed light on human disease mechanisms. But there are several important challenges. More than 90% of complex disease associated variants lie within non-coding regions, posing a challenge of identifying relevant cell types and cell states, target genes, and regulatory mechanisms. The important task of linking these variants to genes itself can be challenging. In addition, as our ability to identify de novo and rare mutations for complex and Mendelian diseases is rapidly expanding, defining the function of those de novo alleles, which genes and pathways they affect remains uncertain. To address these challenges, we will predict the functional impact of disease risk variants at the level of individual variants, individual genes, and pathways to elucidate disease biology. In all aims of this proposal we will utilize IGVF functional genomic data. In Aim 1, we will predict the regulatory potential of variants in disease-critical cell types/states at a single base-pair resolution. We will identify pathogenic cell-states by analyzing single cell transcriptional data sets in a disease context, and then integrate single-cell epigenetic data to define the regulatory landscape of these rare disease cell-states. These regulatory regions identified in this analysis can be used to annotate variants for potential function. Finally, to understand functionality of specific variants in regulatory regions, we quantify selective pressure using large-scale whole genome sequencing data. In Aim 2, we will predict functional impacts of genes by effectively linking variants to genes. Defining causal diseases genes is critically important since they may be important for therapeutic targeting. We develop strategies to use genetic data and functional genomic data to predict downstream genes, and evaluate these methods with a set of gold-standard casual genes from Mendelian phenotypes. In Aim 3, we focus on rare and de novo mutations with large effect sizes. Here we recognize that predicting the function of these alleles requires an understanding of the pathways they effect, models to connect rare non-coding variants to genes, and strategies to define functionality of the variants based on population genetic parameters. In Aim 4, we develop a framework to synergize with the IGVF consortium to advance consortium goals, outlining our integration plan and flexible programmatic framework. The proposal represents a collaboration between Drs. Soumya Raychaudhuri, Alkes Price, and Shamil Sunyaev, bringing analytical expertise across functional genomics, single-cell data integration, and population genetics. These investigators have a history of successful collaborations with a strong publication records integrating functional genomics data with GWAS and sequencing studies to uncover disease mechanisms.
Project Summary Over the past decade, genome-wide association studies have discovered complex disease-associated genetic variants while at the same time whole genome sequencing studies have been identifying risk alleles for Mendelian and complex diseases. These variants have the potential to shed light on human disease mechanisms. But there are several important challenges. More than 90% of complex disease associated variants lie within non-coding regions, posing a challenge of identifying relevant cell types and cell states, target genes, and regulatory mechanisms. The important task of linking these variants to genes itself can be challenging. In addition, as our ability to identify de novo and rare mutations for complex and Mendelian diseases is rapidly expanding, defining the function of those de novo alleles, which genes and pathways they affect remains uncertain. To address these challenges, we will predict the functional impact of disease risk variants at the level of individual variants, individual genes, and pathways to elucidate disease biology. In all aims of this proposal we will utilize IGVF functional genomic data. In Aim 1, we will predict the regulatory potential of variants in disease-critical cell types/states at a single base-pair resolution. We will identify pathogenic cell-states by analyzing single cell transcriptional data sets in a disease context, and then integrate single-cell epigenetic data to define the regulatory landscape of these rare disease cell-states. These regulatory regions identified in this analysis can be used to annotate variants for potential function. Finally, to understand functionality of specific variants in regulatory regions, we quantify selective pressure using large-scale whole genome sequencing data. In Aim 2, we will predict functional impacts of genes by effectively linking variants to genes. Defining causal diseases genes is critically important since they may be important for therapeutic targeting. We develop strategies to use genetic data and functional genomic data to predict downstream genes, and evaluate these methods with a set of gold-standard casual genes from Mendelian phenotypes. In Aim 3, we focus on rare and de novo mutations with large effect sizes. Here we recognize that predicting the function of these alleles requires an understanding of the pathways they effect, models to connect rare non-coding variants to genes, and strategies to define functionality of the variants based on population genetic parameters. In Aim 4, we develop a framework to synergize with the IGVF consortium to advance consortium goals, outlining our integration plan and flexible programmatic framework. The proposal represents a collaboration between Drs. Soumya Raychaudhuri, Alkes Price, and Shamil Sunyaev, bringing analytical expertise across functional genomics, single-cell data integration, and population genetics. These investigators have a history of successful collaborations with a strong publication records integrating functional genomics data with GWAS and sequencing studies to uncover disease mechanisms.

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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{{ truncateString('ALKES L PRICE', 18)}}的其他基金

Predicting the impact of genetic variants, genes and pathways on human Disease
预测遗传变异、基因和途径对人类疾病的影响
  • 批准号:
    10296867
  • 财政年份:
    2021
  • 资助金额:
    $ 78.89万
  • 项目类别:
Predicting the impact of genetic variants, genes and pathways on human Disease
预测遗传变异、基因和途径对人类疾病的影响
  • 批准号:
    10647775
  • 财政年份:
    2021
  • 资助金额:
    $ 78.89万
  • 项目类别:
Detecting natural selection by comparing African-ancestry populations
通过比较非洲血统人群来检测自然选择
  • 批准号:
    8242257
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Liability threshold modeling of genes and environment in case-control studies
病例对照研究中基因和环境的责任阈值模型
  • 批准号:
    8476220
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Heritability of complex traits via IBD and IBS in related and unrelated individua
通过 IBD 和 IBS 在相关和无关个体中实现复杂性状的遗传力
  • 批准号:
    8444904
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Liability threshold modeling of genes and environment in case-control studies
病例对照研究中基因和环境的责任阈值模型
  • 批准号:
    8217393
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Detecting natural selection by comparing African-ancestry populations
通过比较非洲血统人群来检测自然选择
  • 批准号:
    8442247
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Liability threshold modeling of genes and environment in case-control studies
病例对照研究中基因和环境的责任阈值模型
  • 批准号:
    8685259
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Heritability of complex traits via IBD and IBS in related and unrelated individua
通过 IBD 和 IBS 在相关和无关个体中实现复杂性状的遗传力
  • 批准号:
    8599787
  • 财政年份:
    2012
  • 资助金额:
    $ 78.89万
  • 项目类别:
Methods for Genome-wide Association Studies in Admixed Populations
混合人群全基因组关联研究的方法
  • 批准号:
    8281417
  • 财政年份:
    2011
  • 资助金额:
    $ 78.89万
  • 项目类别:

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