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March 8, 2026MetabolitesOpen Access

An NMR-Based Protocol for Profiling the Endo- and Exo-Metabolomes in Aβ1-42 Treated Human Astrocytes from Healthy and Alzheimer’s Disease Donors

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Authors

EBElisa BientinesiAVAlessia VignoliSRSara Ristori

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Overview

Metabolomic profiling reveals altered responses in astrocytes from Alzheimer's Disease patients, suggesting distinct metabolic adaptations to Aβ-induced stress.

Key Points

  • This research aims to explore metabolic alterations in astrocytes treated with Aβ1-42, comparing responses between Alzheimer's Disease patients and healthy subjects.
  • Optimized protocol for untargeted metabolomic profiling using NMR spectroscopy.
  • Primary human astrocytes were derived from Alzheimer's Disease patients and healthy subjects.
  • Cells were treated with oligomeric Aβ1-42 to simulate pathological conditions.
  • Aβ1-42 treatment induced reductions in phosphocreatine and β-alanine in astrocytes.
  • Differential extracellular metabolic responses were observed: AD astrocytes showed increased levels of 2-oxoglutarate, citrate, and glycine.
  • Healthy subjects showed reduced levels of leucine and isoleucine, indicating distinct adaptive responses.

Cite This Study

Bientinesi et al. (2026) studied this question.

synapsesocial.com/papers/69acc58f32b0ef16a404fe4fhttps://doi.org/10.3390/metabo16030173
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