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Related Experiment Videos

[Oxidative stress and gene expression].

R Barouki1, Y Morel

  • 1INSERM U490, Centre Universitaire des Saints Pères, Université René Descartes, 75270 Paris.

Journal De La Societe De Biologie
|April 10, 2002
PubMed
Summary
This summary is machine-generated.

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Oxidative stress causes cell damage but cells adapt by regulating genes and transcription factors. Understanding this adaptation is key to treating diseases like cancer and neurodegeneration.

Area of Science:

  • Cellular Biology
  • Biochemistry
  • Molecular Biology

Context:

  • Oxidative stress is a cellular response to damage affecting DNA, RNA, proteins, and lipids.
  • Cellular adaptation to oxidative stress involves gene regulation and altered transcription factor activity.
  • Oxidative stress is linked to various physiological, pathological, and toxic conditions, including neurodegenerative diseases, cancer, atherosclerosis, and diabetes.

Purpose:

  • To explore the mechanisms of cellular adaptation to oxidative stress.
  • To investigate the role of transcription factor regulation in oxidative stress response.
  • To elucidate the connection between oxidative stress and various diseases.

Summary:

  • Oxidative stress induces cellular toxicity but also triggers adaptive responses, including the induction of antioxidant and repair genes, and the repression of others.

Related Experiment Videos

  • Transcription factors are significantly affected by oxidative stress; many are inhibited by cysteine oxidation, while others like cJun and NF kappa B exhibit complex regulation involving repair systems.
  • The redox status alteration is observed in numerous conditions, and oxidative stress's role in diseases like cancer and diabetes highlights the potential of antioxidant therapies.

    • Impact:

    • Provides insights into the fundamental mechanisms of cellular defense against oxidative damage.
    • Highlights the critical role of transcription factor modulation in cellular adaptation and disease pathogenesis.
    • Informs the development and efficacy of antioxidant therapies for oxidative stress-related diseases.