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Related Experiment Video

Updated: Jan 13, 2026

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Subcellular Stress Markers in Epithelial Ovarian Cancer.

Edina Amalia Wappler-Guzzetta1, Eva Margittai2, Krisztina Veszelyi2

  • 1Division of Transfusion Medicine, Department of Laboratory Medicine, University of California, San Francisco, CA 94143, USA.

International Journal of Molecular Sciences
|January 10, 2026
PubMed
Summary

Mitochondrial and endoplasmic reticulum (ER) stress are key in epithelial ovarian cancer progression. Targeting metabolic and redox pathways offers promising therapeutic strategies for this lethal gynecological malignancy.

Keywords:
endoplasmic reticulum stressepithelial ovarian cancermitochondrial stress

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Area of Science:

  • Oncology
  • Cell Biology
  • Biochemistry

Background:

  • Epithelial ovarian cancer is a leading cause of gynecological cancer mortality.
  • Metabolic dysregulation and altered cellular redox homeostasis are critical in its pathogenesis.
  • Mitochondrial and endoplasmic reticulum (ER) stress contribute significantly to disease development and progression.

Purpose of the Study:

  • To review the role of mitochondrial and ER stress in epithelial ovarian cancer.
  • To identify potential biomarkers and therapeutic targets within these stress pathways.
  • To explore novel treatment strategies for epithelial ovarian cancer.

Main Methods:

  • Literature review focusing on mitochondrial and ER stress mechanisms.
  • Analysis of key proteins involved in metabolism, redox balance, and stress responses.
  • Identification of potential therapeutic targets and biomarkers.

Main Results:

  • Mitochondrial dysfunction, including altered fission/fusion and mitophagy, impacts cancer progression.
  • ER stress pathways, such as the unfolded protein response (UPRmt), are implicated in ovarian cancer.
  • Specific proteins like MARCH5, AKAPs, and stress-response proteins (ATFs, CHOP, GRP75, GRP78) are highlighted as potential targets.

Conclusions:

  • Mitochondrial and ER stress are integral to epithelial ovarian cancer pathogenesis.
  • Targeting these stress pathways and associated proteins presents a promising avenue for novel therapies.
  • Further research into these preclinical targets could lead to improved treatment options for ovarian cancer.