Related Experiment Video
Updated: Jul 8, 2026

06:44
Assessment of Global DNA Double-Strand End Resection using BrdU-DNA Labeling coupled with Cell Cycle Discrimination Imaging
Published on: April 28, 2021
Take a break--resveratrol in action on DNA
Susanne A Gatz1, Lisa Wiesmüller
1University Children's Hospital, Eythstrasse 24, D-89075 Ulm, Germany.
Carcinogenesis
|January 5, 2008
Summary
Resveratrol (RV) shows promise for cancer prevention by maintaining genome stability through antioxidant and DNA repair pathways. Further research explores its chemopreventive and chemotherapeutic potential.
Area of Science:
- Phytochemistry
- Molecular Biology
- Genetics
Background:
- Resveratrol (RV) is a phytochemical researched for longevity and cancer prevention.
- RV's anticancer effects are linked to growth and death regulatory pathways.
- Emerging evidence suggests RV maintains genome stability under physiological conditions.
Purpose of the Study:
- To review the direct and indirect effects of resveratrol on genome integrity.
- To discuss the implications of RV's genome-protective mechanisms for future cancer treatment strategies.
Main Methods:
- Literature review of existing studies on resveratrol and genome stability.
- Analysis of data on RV's antioxidant, anti-inflammatory, and DNA repair-modulating properties.
- Examination of recent findings on RV's role in cell-cycle regulation and DNA double-strand break repair.
Main Results:
- RV acts as an antioxidant, inhibiting inflammation and carcinogen activation, and upregulating detoxifying enzymes.
- RV has been shown to protect the genome from DNA damage formation.
- Controversy exists regarding RV's direct DNA-damaging potential in the presence of certain ions, but recent studies highlight its role in activating DNA repair pathways (ATM/ATR) and fidelity control.
Conclusions:
- Resveratrol exhibits multifaceted effects on genome integrity, acting as both a protective agent and a modulator of DNA repair mechanisms.
- Activation of ATM/ATR pathways and involvement in DNA double-strand break repair are key mechanisms underlying RV's genome-protective effects.
- Resveratrol and related compounds hold potential for future chemopreventive and chemotherapeutic applications.
Related Concept Videos
DNA Damage can Stall the Cell Cycle
In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
DNA Damage Can Stall the Cell Cycle
In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
The DNA Replication Fork
An organism’s genome needs to be duplicated in an efficient and error-free manner for its growth and survival. The replication fork is a Y-shaped active region where two strands of DNA are separated and replicated continuously. The coupling of DNA unzipping and complementary strand synthesis is a characteristic feature of a replication fork. Organisms with small circular DNA, such as E. coli, often have a single origin of replication; therefore, they have only two replication forks, one in...
The DNA Replication Fork
An organism’s genome needs to be duplicated in an efficient and error-free manner for its growth and survival. The replication fork is a Y-shaped active region where two strands of DNA are separated and replicated continuously. The coupling of DNA unzipping and complementary strand synthesis is a characteristic feature of a replication fork. Organisms with small circular DNA, such as E. coli, often have a single origin of replication; therefore, they have only two replication forks, one in...
Overview of DNA Repair
In order to be passed through generations, genomic DNA must be undamaged and error-free. However, every day, DNA in a cell undergoes several thousand to a million damaging events by natural causes and external factors. Ionizing radiation such as UV rays, free radicals produced during cellular respiration, and hydrolytic damage from metabolic reactions can alter the structure of DNA. Damages caused include single-base alteration, base dimerization, chain breaks, and cross-linkage.
Chemically...
Chemically...
Overview of DNA Repair
In order to be passed through generations, genomic DNA must be undamaged and error-free. However, every day, DNA in a cell undergoes several thousand to a million damaging events by natural causes and external factors. Ionizing radiation such as UV rays, free radicals produced during cellular respiration, and hydrolytic damage from metabolic reactions can alter the structure of DNA. Damages caused include single-base alteration, base dimerization, chain breaks, and cross-linkage.
Chemically...
Chemically...
