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Updated: Jul 2, 2026
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Trans-vivo Delayed Type Hypersensitivity Assay for Antigen Specific Regulation
Published on: May 2, 2013
Predictive markers for normal tissue reactions: fantasy or reality?
1Institut Curie-recherche, centre universitaire, bâtiments 110-112, 91405 Orsay, France.
Summary
Understanding genetic factors in radiation sensitivity is crucial. Research is advancing predictive assays and markers for normal tissue reactions, aiding personalized radiation therapy and reducing toxicity.
Area of Science:
- Radiation oncology
- Genetics
- Molecular biology
Background:
- Interpatient variability in normal tissue reactions to radiation therapy is significant.
- Genetic determinants and molecular mechanisms of radiation sensitivity are not well understood.
- Predictive assays and markers for normal tissue reactions are still developing.
Purpose of the Study:
- To review the current state of predictive assays and markers for normal tissue reactions in radiation oncology.
- To highlight progress in identifying genetic and molecular predictors of radiation sensitivity and toxicity.
- To discuss future directions for marker discovery and validation.
Main Methods:
- Review of existing literature on predictive assays for normal tissue reactions.
- Analysis of studies identifying genetic markers (e.g., gene expression, single nucleotide polymorphisms) and serum markers.
- Discussion of challenges and opportunities in marker validation and clinical implementation.
Main Results:
- T-lymphocyte radiation-induced apoptosis assay shows promise for predicting late toxicity.
- An 18-gene classifier identified patients at high/low risk for radiation-induced fibrosis.
- Serum markers show potential for predicting acute and late pulmonary toxicity.
- Few genetic predictive markers for normal tissue reactions have been validated.
Conclusions:
- Predictive assays for normal tissue reactions are advancing, with some assays showing potential for clinical utility.
- Identification of genes involved in fibrotic processes and potential serum markers for pulmonary toxicity are key findings.
- International collaboration and technological advancements are expected to accelerate the discovery and validation of genetic markers for radiation sensitivity.
