Separate and Conjugated in vitro Effects of Clofibrate and of an Organic Extract of Rat Amniotic Fluid on Microperoxisomes of Fetal Mouse Small Intestine
Bibliographic record
Abstract
Separate and conjugated effects of clofibrate and of an organic extract of rat amniotic fluid (RAF) on microperoxisomal response were studied in 15-day-old fetal mouse small intestine in organ culture. At the light-microscopic level, DAB-positive microperoxisomes were not observed in intestinal explants cultured for 48 h with Trowell T8-medium either with (group 1) or without clofibrate (control group) or with the organic extract of RAF alone (group 2). In presence of both clofibrate and the organic extract (group 3), microperoxisomes were readily identified. At the fine structural level, microperoxisomes measured 150-175 nm in diameter in controls and in group 1 and 2. In group 3, numerous microperoxisomes measured up to 0.4 micron in diameter. Total and specific catalase activities exhibited significant decreases when intestinal segments were cultured solely in Trowell T8-medium for 48 h. Addition of clofibrate (1), or of the organic extract of RAF (2), or of both (3) to Trowell T8-medium induced significant increases in total and specific catalase activities: 1.43- and 1.40-fold (1), 2.12- and 2.66-fold (2) and 2.92- and 3.17-fold (3). These results indicate that an organic extract of RAF contains a factor that (a) induces the formation of intestinal microperoxisomes and (b) potentiates the action of clofibrate.
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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) | 0.000 | 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 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".