Intestinal Secretory Response to Atrial Natriuretic Peptide during Postnatal Development in the Rabbit
Bibliographic record
Abstract
The postnatal development of atrial natriuretic peptide (ANP) stimulus-secretion coupling was examined in rabbit ileum. A positive correlation between age and ANP-induced secretory responsiveness was observed. The short circuit current (Isc) response in 14-day animals was significantly (p < 0.05) less than that seen in 21-day, 28-day and adult animals. Animals at 21 days of age were less responsive (p < 0.05) than either 28-day or adult animals which did not differ. The Isc response of infant animals (day 14) to the Cl- secretagogue 3-isobutyl-1-methylxanthine was blunted in the infant, as was the response to electrical field stimulation. The infant animals had higher basal levels of mucosal cGMP, but were still able to respond to ANP with an elevation in cGMP. The ability of the immature ileum to generate the second messenger molecule cGMP in response to ANP, but not to produce an appropriate Isc response to ANP, indicates infant animals possess underdeveloped secretory mechanisms and lack the ability to effectively couple secretory stimuli to a secretory response.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| 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 | 0.001 |
| 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 source (direct Gemma or distilled Codex), 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".