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Analysis of Oxidative Stress in Zebrafish Embryos
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Hyponatremia and Oxidative Stress.

Benedetta Fibbi1,2, Giada Marroncini1,2, Cecilia Anceschi2

  • 1Pituitary Diseases and Sodium Alterations Unit, AOU Careggi, 50139 Florence, Italy.

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Summary
This summary is machine-generated.

Hyponatremia, low serum sodium, is common in the elderly and hospitalized patients. Oxidative stress contributes to hyponatremia

Keywords:
ROScancerhyponatremianeuronal cells homeostasisosmotic stressosteoporosisoxidative stresssenescence

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Area of Science:

  • Biochemistry
  • Geriatrics
  • Oncology

Background:

  • Hyponatremia (serum sodium < 136 mEq/L) is the most frequent electrolyte imbalance in the elderly and hospitalized patients.
  • Acute hyponatremia symptoms, targeting the central nervous system, are explained by osmotic theory and neuronal swelling.
  • Chronic and mild hyponatremia exhibit neurological and systemic manifestations.

Purpose of the Study:

  • To review the role of oxidative stress in hyponatremia-induced cellular and tissue dysfunction.
  • To explore the link between oxidative stress, aging, cancer, and hyponatremia.

Main Methods:

  • Literature review focusing on oxidative stress mechanisms in hyponatremia.
  • Analysis of basic and clinical research on hyponatremia's effects on cellular homeostasis.
  • Examination of hyponatremia's impact on senescence and oncologic patient outcomes.

Main Results:

  • Reduced extracellular sodium ([Na+]) causes detrimental effects on cellular homeostasis, independent of hypoosmolality.
  • Oxidative stress is implicated in most hyponatremia-related cellular alterations.
  • Oxidative stress is a common factor in aging, cancer progression, and hyponatremia.

Conclusions:

  • Oxidative stress plays a crucial role in both osmolality-dependent and -independent cellular dysfunction in hyponatremia.
  • Low serum sodium exacerbates senescence and reduces survival in cancer patients.
  • Targeting oxidative stress may offer therapeutic benefits for hyponatremia and related conditions.