Antioxidant radiation protection in a nuclear medicine context
Bibliographic record
Abstract
1267 Learning Objectives 1. Review the mechanisms of ionizing radiation induced DNA injury and DNA repair. 2. Describe various assays that can be used to quantify DNA injury at diagnostic doses. 3. Review highlights from the extensive literature on pharmacologic radiation protection with a focus on antioxidant radiation protection. 4. Discuss preliminary validation of antioxidant radiation protection via the above assays in the known literature and describe premedication approaches appropriate to nuclear medicine. Pharmacologic radiation protection is a well studied field. In particular, the radioprotective properties of antioxidants have been well characterized in a literature that spans through the cold war. Despite the extensive available knowledge on antioxidant radiation protection, we do not routinely premedicate patients prior to diagnostic exams involving ionizing radiation. Our exhibit reviews the major principles of pharmacologic radiation protection that have been described in the literature with a focus on antioxidants. We highlight modern assays capable of quantifying DNA damage at diagnostic doses and how they might be used to conduct the first in vivo human clinical trials of pharmacologic radiation protection. Dissemination of this knowledge within the nuclear medicine community may encourage the greater clinical use of antioxidant radiation protection and promote appropriate research activity within our scientific community.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".