Evaluation of the Effect of Enteral Lipid Sensing on Endogenous Glucose Production in Humans
Bibliographic record
Abstract
Administration of lipids into the upper intestine of rats has been shown to acutely decrease endogenous glucose production (EGP) in the preabsorptive state, postulated to act through a gut-brain-liver axis involving accumulation of long-chain fatty acyl-CoA, release of cholecystokinin, and subsequent neuronal signaling. It remains unknown, however, whether a similar gut-brain-liver axis is operative in humans. Here, we infused 20% Intralipid (a synthetic lipid emulsion) or saline intraduodenally for 90 min at 30 mL/h, 4 to 6 weeks apart, in random order, in nine healthy men. EGP was assessed under pancreatic clamp conditions with stable isotope enrichment techniques. Under these experimental conditions, intraduodenal infusion of Intralipid, compared with saline, did not affect plasma glucose concentration or EGP throughout the study period. We conclude that Intralipid infusion into the duodenum at this rate does not elicit detectable effects on glucose homeostasis or EGP in healthy men, which may reflect important interspecies differences between rodents and humans with respect to the putative gut-brain-liver axis.
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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 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".