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Cell type-dependent effects of ellagic acid on cellular metabolism

Alexandra L Boehning1, Safia A Essien1, Erica L Underwood2

  • 1Department of Biochemistry and Molecular Biology, McGovern Medical School at UTHealth, 6431 Fannin Street, Houston, TX, 77030, United States.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|July 11, 2018
PubMed

Insights

Ellagic acid, a polyphenol, impacts cancer cell apoptosis and proliferation. Its effects on cellular energy production and mitochondrial function are dose-dependent and cell-type specific, influencing its potential as a chemotherapeutic agent.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Pharmacology

Background:

  • Ellagic acid is a botanical polyphenol with demonstrated anticancer properties.
  • It is recognized for its ability to induce apoptosis and inhibit cancer cell proliferation.
  • Its proposed mechanism involves the regulation of cellular metabolic pathways.

Purpose of the Study:

  • To investigate the dose-dependent effects of ellagic acid on cellular energy production.
  • To examine the downstream induction of apoptosis by ellagic acid.
  • To determine the impact on mitochondrial function and glycolysis in various cancer cell lines.

Main Methods:

  • Treatment of HEK293, HeLa, MCF7, and HepG2 cells with varying doses of ellagic acid.
  • Assessment of cellular energy production, including mitochondrial respiration and glycolytic pathways.
  • Evaluation of the induction of the apoptotic program.

Main Results:

  • Ellagic acid exhibits pleiotropic and cell-type specific effects on mitochondrial function at physiologically relevant doses.
  • High doses of ellagic acid influence glycolytic pathways and induce cell death.
  • The compound affects cellular respiration in a complex, cell-specific manner.

Conclusions:

  • Ellagic acid influences mitochondrial function at therapeutically relevant concentrations.
  • The observed complexity and cell-type specificity of its effects on cellular respiration may impact its chemotherapeutic utility.
  • Further research is needed to fully elucidate its therapeutic potential and limitations.
Keywords:
ApoptosisCancerEllagic acidGlycolysisMitochondriaRespiration

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