3,3′,4′,5,7-Pentamethylquercetin reduces angiotensin II-induced cardiac hypertrophy and apoptosis in rats
Why this work is in the frame
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Bibliographic record
Abstract
Quercetin has been shown to possess beneficial pharmacological properties in treatment of heart disease, but lack of stability and bioavailability limits its clinical use. In this study, we investigated for the first time the effect of a methylated form of quercetin, 3,3',4',5,7-pentamethylquercetin (PMQ), on myocardial protection in rats. Angiotensin II was delivered to Sprague-Dawley rats subcutaneously, while PMQ (5 mg/kg) was administered by oral gavage; blood pressure was monitored daily. The production of NADPH oxidase was measured, and cardiac hypertrophy and apoptosis were detected. The results revealed that PMQ could downregulate the expression of the NADPH oxidase gene and reduce angiotensin II- induced cardiac hypertrophy and apoptosis in rats. Therefore, we believe that PMQ showed beneficial effects on myocardium in angiotensin II-administered rats, and its potential to be used for treatment of cardiovascular disease deserves further attention.
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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) | 0.000 | 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 it