Transcriptomics

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Effects of intracellular amyloid toxicity on the transcriptome of MC65 human nerve cells


ABSTRACT: Amyloid beta (Aβ) accumulates within neurons in the brains of early stage Alzheimer's disease (AD) patients. However, the mechanism underlying its potential toxicity remains unclear. To elucidate this, a transcriptomic study was carried out using a nerve cell model of toxic intracellular aggregation of Aβ. The neuroprotective compound CMS121 was included as a validating tool. It was found that intracellular Aβ induces profound changes in the omics landscape of nerve cells that are associated with a cancer-like metabolic reprogramming, the oxytosis/ferroptosis cell death program, and physiological alterations detrimental to mitochondrial function. Our findings have implications for the understanding of the basic biology of proteotoxicity, aging and AD as well as for the development of future therapeutic interventions designed to target the oxytosis/ferroptosis programmed cell death pathway in the AD brain.

ORGANISM(S): Homo sapiens

PROVIDER: GSE144194 | GEO | 2020/10/22

REPOSITORIES: GEO

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