Related Experiment Video
Updated: Nov 8, 2025
Visualizing and Quantifying Endonuclease-Based Site-Specific DNA Damage
Published on: August 21, 2021
Critical DNA damaging pathways in tumorigenesis.
1Department of Oncology, Mayo Clinic, Rochester, MN, 55905, USA; Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN, 55905, USA; Mayo Clinic Medical Scientist Training Program, Mayo Clinic, Rochester, MN, 55905, USA.
DNA damage is a key driver of cancer development. Understanding DNA repair and damage responses offers new therapeutic strategies for targeting cancer vulnerabilities.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- DNA damage is an early event in tumorigenesis, with DNA damage responses activated in premalignant lesions.
- Inactivation of DNA damage checkpoints facilitates malignant transformation.
- DNA damage represents a targetable vulnerability in cancer cells.
Purpose of the Study:
- To review current research on DNA damage in tumorigenesis.
- To discuss the role of DNA repair pathways in cancer.
- To explore the link between DNA damage and the tumor microenvironment.
Main Methods:
- Review of current scientific literature on DNA damage and tumorigenesis.
- Discussion of DNA double-strand break repair mechanisms.
- Analysis of oncogene-induced replication stress and DNA damage.
Main Results:
- DNA double-strand breaks and their repair pathways are implicated in tumorigenesis.
- Oncogenes contribute to DNA damage via replication stress.
- DNA damage within micronuclei is a significant area of study.
Conclusions:
- Understanding DNA integrity mechanisms is crucial for cancer therapy.
- Targeting DNA damage pathways, including those in micronuclei, shows therapeutic promise.
- Further research into DNA damage responses and repair is essential for developing novel cancer treatments.
More Related Videos
08:31Characterizing DNA Repair Processes at Transient and Long-lasting Double-strand DNA Breaks by Immunofluorescence Microscopy
Published on: June 8, 2018
06:44Assessment of Global DNA Double-Strand End Resection using BrdU-DNA Labeling coupled with Cell Cycle Discrimination Imaging
Published on: April 28, 2021
Related Concept Videos
01:38Nucleotide Excision Repair
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
01:08Nucleotide Excision Repair
02:37DNA Damage can Stall the Cell Cycle
02:37DNA Damage Can Stall the Cell Cycle
01:05Cancer-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...
02:25Overview of DNA Repair
Chemically...