Age-Related Changes in Hepatic Triacylglycerol Content andPhosphatidate Phosphohydrolase Activities inFasting Male and Female Rats
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Bibliographic record
Abstract
Hepatic microsomal phosphatidate phosphohydrolase (PPH) showed minor fluctuations with age in male and female rats. In males, hepatic cytosolic PPH rose to a peak at day 58 and then declined. In female rats, the activities of this enzyme were much lower than those of the male to day 35, but then increased fivefold by day 50 to values approximating those of males, and thereafter gradually declined. The hepatic triacylglycerol (TG) content of male rats was fairly constant, but in females the values rose to a peak on day 50 and then declined in parallel with the cytosolic PPH activity, but remained substantially higher than values for male rats. A significant correlation between cytosolic PPH and hepatic TG was obtained. The microsomal PPH did not correlate with hepatic TG. These results suggest that in the rat cytosolic PPH may play a role in modulating age-related changes in hepatic TG metabolism, and that it is functionally more important than the microsomal enzyme in this species.
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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