Transcriptomics

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Expression data from Lund Human Mesencephalic cells (LUHMES) exposed to acute and persistent oxidative DNA damage


ABSTRACT: Oxidative DNA damage in neurons activates a DNA damage response (DDR) to promote repair. Under a chronic oxidative environment these processes may be altered and promote accumulation of unrepaired DNA damage and continued activation of a DDR, leading to apoptosis or senescence activation. Accumulation of oxidative DNA damage are features of brain ageing and neurodegeneration but the effects of persistent DNA damage in neurons are not well characterised. We developed a model of persistent oxidative DNA damage in human neurons in vitro (LUHMES) by exposing them to a sub-lethal concentration of hydrogen peroxide (H2O2) following a "single stress" and “double stress” protocols. We characterised the neuronal transcriptome under these circumstances using microarray analysis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE160841 | GEO | 2023/11/04

REPOSITORIES: GEO

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