Mouse Placental Receptor for Basic Somatomedin followingMaternal Ethanol Administration
Bibliographic record
Abstract
We have previously reported a reduction in the basic somatomedin (B-SM) binding activity of day-15 mouse placental membranes following 3 days of acute maternal ethanol administration. In the present experiments, we have investigated the effects of acute maternal ethanol administration early in gestation on the subsequent development of the placental B-SM receptor, and its relationship to alcohol-related embryofetal growth deficits. Following administration of aqueous ethanol (0.0, 3.6, 5.5 or 7.1 ml/kg) by gavage on days 7, 8 and 9 of gestation, there was no evidence of reproductive impairment in alcohol-treated dams, but there was a significant reduction in day-15 embryonic body weight. Crown-rump length was unaffected. There was no treatment-related difference in the percentage specific binding of [125I]-B-SM by day-15 placental membranes, or in maternal serum B-SM concentrations. These observations suggest that embryofetal growth restriction following maternal ethanol administration is not mediated directly by peripheral unresponsiveness of the B-SM receptor, at least when the exposure occurs early in or prior to placental receptor ontogeny.
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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 | 0.001 | 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".