Epigenomic cell-type classification and regulatory element identification in the human brain
Epigenomic cell-type classification and regulatory element identification in the human brain
批准号:
10248439
负责人:
M MARGARITA BEHRENS
金额:
$179.11万
依托单位国家:
美国
项目类别:
财政年份:
2019
资助国家:
美国
项目状态:
已结题
起止时间:
2019-09-16 至 2022-12-31
关键词:
ATAC-seqAgeAlgorithmsAtlasesBRAIN initiativeBehavioralBrainBrain regionCategoriesCell NucleusCellsCensusesChromatinClassificationCommunitiesComplexConsensusCytosineDNADNA MethylationDNA analysisDataData SetDevelopmentDissectionDistalEnhancersFemaleFreezingGene Expression ProfileGenomeGenomicsGoalsHumanImmunohistochemistryIn Situ HybridizationIndividualInstitutesJointsLocationMental disordersMethylationMitoticMolecularMusNational Institute of Mental HealthNational Institute of Neurological Disorders and StrokeNatureNeurogliaNeuronsNucleic Acid Regulatory SequencesParvalbuminsPhasePhysiologicalProductionRNARegulator GenesRegulatory ElementResearchResearch PersonnelResolutionSchizophreniaScienceSingle Nucleotide PolymorphismSpecimenTechniquesTissuesValidationautism spectrum disorderbasebrain cellbrain tissuecell typecomputational pipelinesdata integrationepigenomeepigenomicsexcitatory neuronexperiencefrontal lobegenetic analysisgenetic variantgenome wide association studygenome-widehuman diseaseinhibitory neuronmalemethylomemultimodal datamultimodalitynervous system disorderneural circuitneurochemistrypredictive markersingle cell analysissingle-cell RNA sequencingtooltranscriptometranscriptomics
中文摘要
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英文摘要
Abstract
Understanding the exact cell-type composition in the different regions of the human brain is a fundamental step
when trying to integrate physiological, behavioral, neurochemical and molecular data. At present, although
major categories of cell-types present in the human brain have been defined through a handful of specific
markers, the different subtypes within these categories as well as their location are far from understood.
Cytosine DNA methylation (mC) is a stable epigenomic signature that persists in post-mitotic cells throughout
their lifetime, defining their cellular identity. Open chromatin marks gene regulatory elements that control cell
type-specific gene expression patterns. Single cell DNA methylation and open chromatin profiles have been
successfully used to identify de novo distinct cell types in heterogeneous tissues including the brain. This U01
aims to produce a first version of an epigenomic cell atlas at the single-cell level across the human brain.
Multi-modal integration between epigenomic and transcriptomic signatures will allow the identification of new
cell types and unique cell-type markers that will become available to the community. Epigenomic profiling of
human brain cells permits the discovery of cell type-specific regulatory regions, which will facilitate the
functional analysis of genetic variants associated with psychiatric and neurological disorders.
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