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ER stress and diseases.

Hiderou Yoshida1

  • 1Department of Biophysics, Graduate School of Science, Kyoto University, Japan. hide@biophysics.mbox.media.kyoto-u.ac.jp

The FEBS Journal
|February 10, 2007
PubMed
Summary
This summary is machine-generated.

The endoplasmic reticulum (ER) stress response protects cells from misfolded proteins. Malfunctions in this response can lead to diseases like Alzheimer's and Parkinson's.

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Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Neuroscience

Background:

  • Proteins synthesized in the endoplasmic reticulum (ER) require chaperones for proper folding.
  • Misfolded proteins are degraded via ER-associated protein degradation (ERAD).
  • ER stress occurs when unfolded protein load exceeds cellular folding capacity.

Purpose of the Study:

  • To review recent advancements in understanding the ER stress response.
  • To highlight the role of ER stress in various diseases.
  • To identify potential therapeutic targets for conformational diseases.

Main Methods:

  • This review summarizes existing research on the ER stress response pathways.
  • It discusses the molecular mechanisms underlying ER chaperone induction, ERAD component regulation, and translational attenuation.

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  • The review also covers the link between ER stress dysfunction and disease pathogenesis.

    • Main Results:

    • The ER stress response involves three distinct pathways regulating chaperones, ERAD, and protein synthesis.
    • Dysregulation of the ER stress response is implicated in aging, genetic mutations, and environmental factors.
    • ER stress dysfunction contributes to diseases such as diabetes, inflammation, and neurodegenerative disorders.

    Conclusions:

    • The ER stress response is a critical cellular defense mechanism.
    • Malfunctions in ER stress contribute to a range of 'conformational diseases'.
    • Molecules modulating the ER stress response are promising therapeutic targets for these diseases.