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Radiogenomics: the search for genetic predictors of radiotherapy response
Sarah L Kerns1, Catharine M L West, C Nicolaj Andreassen
1Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Radiogenomics, the study of genetic variation in radiotherapy response, aims to identify genetic markers for predicting patient outcomes and developing targeted radioprotective agents. This field is advancing toward clinical application through genome-wide association studies.
Area of Science:
- Oncology
- Genetics
- Radiotherapy
Background:
- Radiogenomics investigates the link between genetic variations and individual responses to radiotherapy.
- Understanding these genetic factors is crucial for managing radiotherapy toxicity and efficacy.
Purpose of the Study:
- To identify genes and biological pathways involved in radiotherapy toxicity.
- To develop genetic markers for clinical risk prediction models.
- To advance towards personalized radiotherapy protocols using single nucleotide polymorphism-based risk models.
Main Methods:
- Evolution from candidate gene studies to large-scale genome-wide association studies (GWAS).
- Analysis of genetic variations in relation to radiotherapy response and toxicity.
Main Results:
- Several confirmed genetic variants associated with radiotherapy response have been identified.
- Progress has been made in understanding the genetic basis of radiotherapy outcomes.
Conclusions:
- Radiogenomics is a rapidly evolving field with significant potential for clinical translation.
- The identification of genetic markers will enable more precise and personalized radiotherapy strategies.
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