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Glutathione in the Brain.

Koji Aoyama1

  • 1Department of Pharmacology, Teikyo University School of Medicine, 2-11-1 Kaga, Itabashi, Tokyo 173-8605, Japan.

International Journal of Molecular Sciences
|June 2, 2021
PubMed
Summary
This summary is machine-generated.

Glutathione (GSH) depletion in neurons is linked to neurodegenerative diseases. Targeting the EAAC1 transporter may offer new therapeutic strategies for conditions like Alzheimer's and Parkinson's disease.

Keywords:
cysteineexcitatory amino acid carrier 1glutamate transporter-associated protein 3-18glutathionemiR-96-5pneurodegeneration

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Cell Biology

Background:

  • Glutathione (GSH) is a critical antioxidant, maintaining redox balance in neurons.
  • GSH depletion is observed in neurodegenerative diseases like Alzheimer's and Parkinson's, preceding neuronal damage.
  • Excitatory amino acid carrier 1 (EAAC1) is a neuronal transporter vital for regulating GSH production.

Purpose of the Study:

  • To review the regulatory mechanisms of neuronal GSH production.
  • To explore the role of EAAC1 in neuronal GSH homeostasis.
  • To discuss the therapeutic potential of targeting EAAC1 for neurodegenerative diseases.

Main Methods:

  • Literature review of studies on GSH, EAAC1, and neurodegeneration.
  • Analysis of post-translational regulation of EAAC1 by GTRAP3-18 and miR-96-5p.
  • Synthesis of current understanding of neuronal GSH metabolism.

Main Results:

  • EAAC1 is a key regulator of neuronal GSH synthesis.
  • Expression of EAAC1 is controlled by GTRAP3-18 and miR-96-5p.
  • Dysregulation of EAAC1 contributes to GSH depletion in neurodegeneration.

Conclusions:

  • Targeting EAAC1-mediated GSH production presents a promising therapeutic avenue.
  • Understanding EAAC1 regulation is crucial for developing treatments for Alzheimer's and Parkinson's disease.
  • This review highlights the potential of modulating neuronal GSH for neuroprotection.