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Review
. 2020 Jun 20;10(6):259.
doi: 10.3390/metabo10060259.

A Systematic Review of Metabolomic and Lipidomic Candidates for Biomarkers in Radiation Injury

Elisabeth Vicente  1 , Zeljko Vujaskovic  1 , Isabel L Jackson  1
Affiliations
Review

A Systematic Review of Metabolomic and Lipidomic Candidates for Biomarkers in Radiation Injury

Elisabeth Vicente et al. Metabolites. .

Abstract

A large-scale nuclear event has the ability to inflict mass casualties requiring point-of-care and laboratory-based diagnostic and prognostic biomarkers to inform victim triage and appropriate medical intervention. Extensive progress has been made to develop post-exposure point-of-care biodosimetry assays and to identify biomarkers that may be used in early phase testing to predict the course of the disease. Screening for biomarkers has recently extended to identify specific metabolomic and lipidomic responses to radiation using animal models. The objective of this review was to determine which metabolites or lipids most frequently experienced perturbations post-ionizing irradiation (IR) in preclinical studies using animal models of acute radiation sickness (ARS) and delayed effects of acute radiation exposure (DEARE). Upon review of approximately 65 manuscripts published in the peer-reviewed literature, the most frequently referenced metabolites showing clear changes in IR induced injury were found to be citrulline, citric acid, creatine, taurine, carnitine, xanthine, creatinine, hypoxanthine, uric acid, and threonine. Each metabolite was evaluated by specific study parameters to determine whether trends were in agreement across several studies. A select few show agreement across variable animal models, IR doses and timepoints, indicating that they may be ubiquitous and appropriate for use in diagnostic or prognostic biomarker panels.

Keywords: biomarker; ceramide; citric acid; citrulline; creatine; diagnostic; lipidomic; metabolomic; radiation; uric acid.

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Conflict of interest statement

Elisabeth Vicente and Zeljko Vujaskovic declare no conflict of interest. Isabel L. Jackson is on the scientific advisory board of Humanetics Corporation. Jackson is a consultant for Partner Therapeutics and Myelo Therapeutics GmbH. These companies had no role in the design of the study, analyses or interpretation of data, in the writing of the manuscript, or in the decision to publish the results.

Figures

Figure 1
Figure 1
Purine metabolism pathway leading to the production of Uric acid [97]. Reproduced with permission from [L.E. Scheepers et al.], [THU0519 Xanthine Oxidase Gene Variants and Their Association with Blood Pressure and Incident Hypertension: A Population Study]; published by [BMJ Publishing Group Ltd], [2016].
See this image and copyright information in PMC

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