Journal
INTERNATIONAL JOURNAL OF RADIATION BIOLOGY
Volume 99, Issue 6, Pages 925-933Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09553002.2021.1928784
Keywords
Ionizing radiation; gene expression; biodosimetry; radiological triage; dose reconstruction
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This review provides an overview of the development of transcriptomic-based approaches for radiation dose and injury assessment, and highlights the major advances in this field. It discusses the use of model systems in gene signature development and addresses the remaining challenges.
Purpose Transcriptomic-based approaches are being developed to meet the needs for large-scale radiation dose and injury assessment and provide population triage following a radiological or nuclear event. This review provides background and definition of the need for new biodosimetry approaches, and summarizes the major advances in this field. It discusses some of the major model systems used in gene signature development, and highlights some of the remaining challenges, including individual variation in gene expression, potential confounding factors, and accounting for the complexity of realistic exposure scenarios. Conclusions Transcriptomic approaches show great promise for both dose reconstruction and for prediction of individual radiological injury. However, further work will be needed to ensure that gene expression signatures will be robust and appropriate for their intended use in radiological or nuclear emergencies.
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