Prenatal Dietary Docosahexaenoic Acid Supplementation in Combination with Protein Restriction Does Not Affect Blood Pressure in Adult Wistar Rats
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Bibliographic record
Abstract
Recent findings indicate that prenatal protein restriction, which leads to elevated blood pressure in adult rats, results in decreased levels of docosahexaenoic acid (DHA) in neonatal rat brain. In light of the evidence of a relationship between dietary DHA and adult blood pressure, the purpose of this study was to ascertain whether prenatal dietary supplementation with DHA would prevent the development of hypertension associated with maternal protein restriction. Throughout gestation, female Wistar rats were fed isocaloric diets containing either 18% casein + 10% corn oil (CON; control), 9% casein + 10% corn oil (LP; low-protein) or 9% casein + 8.5% corn oil + 1.5% DHASCO (LP + 0.6% DHA). DHA increased levels of DHA in neonatal forebrain but there were no effects of LP. At 10 weeks there were no dietary effects on blood pressure measured on four consecutive days using tail-cuff plethysmography. There were also no significant effects measured at 30 weeks, using femoral artery catheterisation, despite adequate power to detect a 10 mm Hg difference. Trends in corticosterone measurements suggested higher stress reactivity in the LP group. These results do not provide strong support for the prenatal low protein model of hypertension and a relation with dietary DHA.
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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 | 0.001 |
| 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