Related Experiment Video
Updated: Aug 13, 2026

Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer
Published on: July 28, 2010
Role of antimutagens/anticarcinogens in cancer prevention
D M Shankel1, S P Pillai, H Telikepalli
1Department of Molecular Biosciences, University of Kansas, Lawrence 66045, USA. shankel@ukans.edu
Abstract:
Recently it has become increasingly clear that chemicals found in our foods and beverages can prevent the genetic damage that leads to cancer initiation. Such substances may also affect subsequent events in the pathways that lead to cancer, and may have the potential to inhibit the mutations that allow tumor cells to become resistant to antitumor agents. We describe here the antimutagenic potential of Glabrene analogs against EMS-induced mutations utilizing modified Ames tests in S. typhimurium TA 100 and E. coli JC 5088. Results of studies of the ability of well-known antioxidants such as EGCG and related compounds to prevent drug resistance mutations in microorganisms are described, and their possible significance in the prevention of chemotherapeutic drug-resistance in tumor cells is discussed.
Insights
Certain food chemicals show potential to prevent genetic damage and inhibit cancer development. These compounds, including Glabrene analogs, may also prevent drug resistance in tumor cells.
Area of Science:
- Biochemistry
- Molecular Biology
- Cancer Research
Background:
- Dietary chemicals can prevent genetic damage, a key step in cancer initiation.
- These compounds may also influence cancer progression and drug resistance.
- Antimutagenic properties of food components are of significant interest for cancer prevention.
Purpose of the Study:
- To evaluate the antimutagenic potential of Glabrene analogs.
- To investigate the ability of antioxidants to prevent drug resistance mutations.
- To discuss the implications for preventing chemotherapeutic drug resistance in cancer cells.
Main Methods:
- Utilized modified Ames tests for assessing mutagenicity.
- Tested Glabrene analogs against EMS-induced mutations.
- Examined well-known antioxidants like EGCG and related compounds.
Main Results:
- Glabrene analogs demonstrated antimutagenic potential against EMS-induced mutations.
- Antioxidants such as EGCG showed ability to prevent drug resistance mutations in microorganisms.
- The study provides evidence for the protective effects of these compounds.
Conclusions:
- Glabrene analogs exhibit significant antimutagenic properties.
- Dietary antioxidants may play a role in overcoming or preventing drug resistance in cancer therapy.
- Further research into these compounds could lead to novel cancer prevention and treatment strategies.
Related Concept Videos
Cancer
Cancer Prevention
Some...
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancer-Critical Genes II: Tumor Suppressor Genes
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancer Prevention
Some...
Mutagenicity and Carcinogenicity

