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Human fibroblasts for large-scale "omics" investigations of ATM gene function.


ABSTRACT: ATM (gene mutated in ataxia-telangiectasia) is a critical central component of the pleiotropic responses of cells to ionizing radiation-induced stress. To gain insight into molecular mechanisms and to enhance our understanding of ATM functions, we have advanced a human model cell system, derived from genetically defined immortal fibroblasts, and we have applied high-throughput genomic, proteomic and metabolomic technologies for a systems level analysis. The cellular characterizations reported here provide the background for application of a systems analysis to integrate transcription, post-translational modifications and metabolic activity induced by exposure of cells to ionizing radiation. We present here a summary of the derivation and characterization of cells comprising this model cell system and review applications of this model to systems analysis of ATM functions.

SUBMITTER: Jung M 

PROVIDER: S-EPMC3744187 | biostudies-literature | 2011

REPOSITORIES: biostudies-literature

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Human fibroblasts for large-scale "omics" investigations of ATM gene function.

Jung Mira M   Timofeeva Olga O   Cheema Amrita K AK   Varghese Rency R   Ressom Habtom H   Dritschilo Anatoly A  

Advances in experimental medicine and biology 20110101


ATM (gene mutated in ataxia-telangiectasia) is a critical central component of the pleiotropic responses of cells to ionizing radiation-induced stress. To gain insight into molecular mechanisms and to enhance our understanding of ATM functions, we have advanced a human model cell system, derived from genetically defined immortal fibroblasts, and we have applied high-throughput genomic, proteomic and metabolomic technologies for a systems level analysis. The cellular characterizations reported he  ...[more]

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