MOLECULAR GENETIC AND BEHAVIORAL STUDIES OF PROFOUNDLY IMPARIED READING
阅读障碍的分子遗传学和行为研究
基本信息
- 批准号:7699845
- 负责人:
- 金额:$ 22.65万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2008
- 资助国家:美国
- 起止时间:2008-01-01 至 2011-12-31
- 项目状态:已结题
- 来源:
- 关键词:AddressAffectAllelesArchitectureBehaviorBehavior assessmentBehavioralBehavioral GeneticsCandidate Disease GeneChildCollectionComplexConditionDNADataDatabasesDepthDevelopmentEnvironmentEnvironmental Risk FactorEthnic groupEvaluationFamilyFamily memberFirst Degree RelativeFloridaFrequenciesGenesGeneticGenetic ResearchGenetic VariationHaplotypesHeritabilityHispanicsImpairmentIncidenceIndividualInvestigationKnowledgeLanguageLearning DisabilitiesLifeLightLinkage DisequilibriumLocationMeasuresMolecularMolecular GeneticsMonitorMultivariate AnalysisNatureNot Hispanic or LatinoNucleic Acid Regulatory SequencesNumbersOralOther MinorityParentsParticipantPatternPerformancePhenotypePopulationPopulation GeneticsPopulation HeterogeneityPrimatesProcessRateReaderReadingReading DisabilitiesReading DisorderRecordsRecruitment ActivityRecurrenceRelative (related person)Relative RisksReportingResearchRiskRisk FactorsSamplingSchool-Age PopulationSchoolsScreening procedureServicesSeveritiesSiblingsSingle Nucleotide PolymorphismStructureTextureVariantWord ProcessingWorkWritingage relatedbasedisabilityelementary schoolethnic minority populationexperiencegenetic profilinggenetic risk factormembernovel strategiesphonologyprobandprospectivepsychologicsample collectionsegregation
项目摘要
In this application, we propose to study behavioral profiles and genetic bases of severe reading impairment.
Specifically, we will establish a unique sample of 500 severely affected elementary schools children
ascertained through the PMRN database and will then recruit at least two first-degree relatives of the
probands for a sample of ~1,500 individuals. We will administer a comprehensive behavioral assessment to
all elementary school children and collect DNA samples from all participants. The behavioral phenotypes will
be comprehensively studied, both cross-sectionally and longitudinally. In addition, we propose to conduct a
relatively narrowly targeted, but in-depth, molecular-genetic study of Specific Reading Disability (SRD).
Specifically, we aim to evaluate, in the newly collected PMRN database samples, the association between
specific candidate genes and SRD. We propose to begin this work with a gene currently under examination,
KIAA0319, and anticipate that during the life of this project there will be other candidate genes put forward
through the efforts of different research groups around the world. In investigating these associations, we
propose to crystallize a data-analytic approach that permits simultaneous analyses of multivariate
phenotypes and multiple QTLs both cross-sectionally and longitudinally. In addition, although relatively small
in magnitude, this study will offer a unique prospective on the contribution of each of the candidate genes by
considering identified risk and/or protective alleles and risk and/or protective haplotypes in global genetic
variation and evolutionary contexts. Specifically, the candidate genes will be investigated for ancestral alleles
and haplotypes and global variation of allele and haplotype frequencies in samples from 38 world
populations and a number of primate species. This in-depth analysis will permit evaluation of the frequency
and structure of the candidate genes' haplotype around the world and, therefore, will increase the
generalizability of results indicating the presence of association. In summary, we propose to combine
behavior analyses and statistical, molecular, and population genetics in an attempt to understand
associations between specific candidate genes and multiple facets of SRD in a unique, phenotypically
informative, large sample of trios of first-degree relatives ascertained through probands whose severity of
reading impairment puts their performance below the 3rd percentile on indicators of single-word processing.
在本申请中,我们建议研究严重阅读障碍的行为特征和遗传基础。
具体来说,我们将建立一个500名受严重影响的小学儿童的独特样本,
通过PMRN数据库确定,然后将招募至少两个一级亲属的
先证者样本约1,500人。我们将进行全面的行为评估,
所有小学生,并收集所有参与者的DNA样本。行为表型将
从横向和纵向两个方面进行全面研究。此外,我们建议进行一项
针对特定阅读障碍(SRD)的相对狭窄但深入的分子遗传学研究。
具体来说,我们的目标是评估,在新收集的PMRN数据库样本,
特定候选基因和SRD。我们建议开始这项工作与基因目前正在审查,
KIAA 0319,并预计在该项目的生命周期内将提出其他候选基因
通过世界各地不同研究小组的努力。在研究这些关联时,我们
我建议明确一种数据分析方法,允许同时分析多变量
表型和多个QTL的横截面和纵向。此外,虽然相对较小,
在规模上,这项研究将提供一个独特的前景,对每个候选基因的贡献,
考虑到全球遗传学中鉴定的风险和/或保护性等位基因和风险和/或保护性单倍型,
变异和进化背景。具体来说,候选基因将被调查的祖先等位基因
和单倍型和等位基因和单倍型频率的全球变化
种群和一些灵长类物种。这种深入分析将有助于评估
和结构的候选基因的单倍型在世界各地,因此,将增加
指示关联存在的结果的普遍性。总之,我们建议将联合收割机
行为分析和统计,分子和群体遗传学,试图了解
特定候选基因与SRD多个方面之间的关联,
通过先证者确定的一级亲属三人组的信息量大,
阅读障碍使他们的表现低于第三百分位数的单词处理指标。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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ELENA L GRIGORENKO其他文献
ELENA L GRIGORENKO的其他文献
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{{ truncateString('ELENA L GRIGORENKO', 18)}}的其他基金
Transdiagnostic Associations Across Developmental Disorders
发育障碍的跨诊断关联
- 批准号:
10501785 - 财政年份:2022
- 资助金额:
$ 22.65万 - 项目类别:
Transdiagnostic Associations Across Developmental Disorders
发育障碍的跨诊断关联
- 批准号:
10701008 - 财政年份:2022
- 资助金额:
$ 22.65万 - 项目类别:
Severe LD in Juvenile Delinquents: Presentation, Course, and Remediation
青少年犯罪中的严重LD:介绍、课程和补救
- 批准号:
9761327 - 财政年份:2017
- 资助金额:
$ 22.65万 - 项目类别:
Severe LD in Juvenile Delinquents: Presentation, Course, and Remediation
青少年犯罪中的严重LD:介绍、课程和补救
- 批准号:
9982116 - 财政年份:2017
- 资助金额:
$ 22.65万 - 项目类别:
Supplement: Severe LD in Juvenile Delinquents: Presentation, Course, and Remediation
补充:青少年犯罪中的严重LD:介绍、课程和补救
- 批准号:
10384819 - 财政年份:2017
- 资助金额:
$ 22.65万 - 项目类别:
A Community-Based Evaluation of Interventions for Orphans and Vulnerable Children
对孤儿和弱势儿童干预措施的社区评估
- 批准号:
9278218 - 财政年份:2015
- 资助金额:
$ 22.65万 - 项目类别:
A Community-Based Evaluation of Interventions for Orphans and Vulnerable Children
对孤儿和弱势儿童干预措施的社区评估
- 批准号:
9119082 - 财政年份:2015
- 资助金额:
$ 22.65万 - 项目类别:
The genetic bases of reading and related processes in Russian
俄语阅读及相关过程的遗传基础
- 批准号:
8205519 - 财政年份:2011
- 资助金额:
$ 22.65万 - 项目类别:
The genetic bases of reading and related processes in Russian
俄语阅读及相关过程的遗传基础
- 批准号:
8317302 - 财政年份:2011
- 资助金额:
$ 22.65万 - 项目类别:
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