Related Experiment Video
Updated: Jan 18, 2026
11:56
A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
Published on: April 11, 2014
13.9K
Anticancer Effects of Ascorbic Acid: Not All Sides Fit All
Uche O Arunsi1, Jeremiah O Olugbami1, Adegboyega K Oyelere1,2
1School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA 30332, USA.
Cancers
|September 13, 2025
Summary
Ascorbic acid demonstrates anticancer effects by selectively reducing cancer cell viability. This study highlights the importance of choosing the right assay to accurately measure its efficacy.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Ascorbic acid (AA) exhibits concentration-dependent anticancer properties, acting as either a reactive oxygen species (ROS) scavenger or inducer.
- Conventional assays like MTS/MTT can inaccurately reflect AA's effects due to formazan production interference.
Purpose of the Study:
- To accurately evaluate the cytotoxic effects of ascorbic acid (AA) on various cancer and normal cell lines.
- To determine the optimal assay for assessing AA's anticancer potential, overcoming limitations of redox-based methods.
Main Methods:
- Utilized the Propidium Iodide Triton X-100 (PI/TX-100) assay for cytotoxicity assessment.
- Tested AA effects across diverse cancer cell lines (prostate, breast, lung, liver) and normal cells (kidney, prostate).
Main Results:
- AA significantly suppressed cancer cell viability more than normal cells, particularly in hormone receptor-positive lines.
- AA-induced cell death mechanisms included ROS generation, lipid peroxidation, cell cycle arrest, ferroptosis, and apoptosis.
- Identified distinct patterns of AA sensitivity across different cancer types.
Conclusions:
- Ascorbic acid shows potential as a selective anticancer agent.
- The choice of assay is critical for accurately evaluating the therapeutic efficacy of ascorbic acid.
- Further research into AA's mechanisms and selective targeting is warranted.
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