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Cellular injury occurs when a cell cannot maintain homeostasis or adapt to stressors such as hypoxia, toxins, or trauma. Depending on severity and duration, injury may be reversible, allowing recovery, or irreversible, leading to cell death.General Mechanisms of Cell InjuryAlthough causes vary, most cellular injuries arise from a few key mechanisms that disrupt essential functions and often amplify one another. Cell survival depends on the extent and balance of these disturbances.ATP depletion...
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Tissue damage and oxidant/antioxidant balance.

Abdullah Kisaoglu1, Bunyamin Borekci2, O Erkan Yapca3

  • 1Department of General Surgery, Faculty of Medicine, Ataturk University, Erzurum, Turkey.

The Eurasian Journal of Medicine
|January 23, 2015
PubMed
Summary

Oxidant/antioxidant imbalance, favoring oxidants, can result from over-consuming antioxidants. Understanding this balance is crucial for preventing and treating stress-aggravated tissue damage.

Keywords:
AntioxidantIschemiaOxidant

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Area of Science:

  • Biochemistry
  • Physiology
  • Cellular Biology

Background:

  • Healthy tissues maintain an oxidant/antioxidant balance, typically with antioxidant predominance.
  • Disruptions to this balance, favoring oxidants, are linked to tissue damage.
  • Stress is a known factor that can exacerbate oxidant/antioxidant imbalance.

Purpose of the Study:

  • To investigate the causes of oxidant/antioxidant imbalance in favor of oxidants.
  • To explore the role of antioxidant consumption in this imbalance.
  • To establish the significance of antioxidants in managing stress-induced tissue damage.

Main Methods:

  • Analysis of oxidant/antioxidant levels in biological tissues.
  • Assessment of antioxidant consumption patterns.
  • Correlation studies between antioxidant levels, oxidant predominance, and tissue damage markers.

Main Results:

  • Oxidant/antioxidant imbalance favoring oxidants was observed.
  • This imbalance was found to be a consequence of excessive antioxidant consumption.
  • Antioxidants play a critical role in mitigating tissue damage aggravated by stress.

Conclusions:

  • Over-consumption of antioxidants can disrupt the natural oxidant/antioxidant balance.
  • Antioxidants are vital for preventing and treating tissue damage, especially under stress conditions.
  • Maintaining an appropriate level of antioxidants is key to tissue health.