The endothelial-protective effects of HMG-CoA reductase inhibition in the setting of ischemia and reperfusion injury
Bibliographic record
Abstract
Animal studies have consistently demonstrated the ability of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors to limit the damage induced by ischemia-reperfusion (IR) in the cardiac, cerebral and mesenteric circulation through a mechanism dependent on the upregulation of cyclooxygenase-2 (COX-2). Our group performed studies aimed at investigating the mechanism of HMG-CoA reductase inhibitor-mediated endothelial protection from IR injury, in particular the role of COX-2, in a human in vivo model of IR-induced endothelial dysfunction. We demonstrated that HMG-CoA reductase inhibition protects against IR-induced endothelial damage, an effect that was lost upon COX-2 inhibition. These observations may suggest a mechanistic explanation for the cardioprotection observed in clinical settings such as percutaneous coronary interventions and coronary artery bypass surgery and may also propose a mechanistic hypothesis for the reported cardiotoxic effects of cyclooxygenase-2 inhibitors observed in clinical studies. These studies are summarized and discussed in the present paper.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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 source (direct Gemma or distilled Codex), 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".