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The importance of detailed epigenomic profiling of different cell types within organs.


ABSTRACT: The human body consists of hundreds of kinds of cells specified from a single genome overlaid with cell type-specific epigenetic information. Comprehensively profiling the body's distinct epigenetic landscapes will allow researchers to verify cell types used in regenerative medicine and to determine the epigenetic effects of disease, environmental exposures and genetic variation. Key marks/factors that should be investigated include regions of nucleosome-free DNA accessible to regulatory factors, histone marks defining active enhancers and promoters, DNA methylation levels, regulatory RNAs, and factors controlling the three-dimensional conformation of the genome. Here we use the lung to illustrate the importance of investigating an organ's purified cell epigenomes, and outline the challenges and promise of realizing a comprehensive catalog of primary cell epigenomes.

SUBMITTER: Stueve TR 

PROVIDER: S-EPMC5066118 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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The importance of detailed epigenomic profiling of different cell types within organs.

Stueve Theresa Ryan TR   Marconett Crystal N CN   Zhou Beiyun B   Borok Zea Z   Laird-Offringa Ite A IA  

Epigenomics 20160615 6


The human body consists of hundreds of kinds of cells specified from a single genome overlaid with cell type-specific epigenetic information. Comprehensively profiling the body's distinct epigenetic landscapes will allow researchers to verify cell types used in regenerative medicine and to determine the epigenetic effects of disease, environmental exposures and genetic variation. Key marks/factors that should be investigated include regions of nucleosome-free DNA accessible to regulatory factors  ...[more]

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