Mulberry anthocyanin extract regulates glucose metabolism by promotion of glycogen synthesis and reduction of gluconeogenesis in human HepG2 cells
Why this work is in the frame
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Bibliographic record
Abstract
Mulberry has been demonstrated to possess important biological activities such as antioxidation and antiinflammation. However, research on the ability of mulberry for diabetes improvement mainly focuses on the leaves and less on the fruit. This study showed that a mulberry anthocyanin extract (MAE) had a significant effect on increasing the glucose consumption in HepG2 cells. The MAE enhanced the glycogen content and suppressed levels of glucose production. The enzyme activities of phosphoenolpyruvate carboxykinase (PEPCK) and glucose-6-phosphatase (G6Pase) were decreased in HepG2 cells after MAE treatment due to PPARγ coactivator 1α (PGC-1α) and forkhead box protein O1 (FOXO1) inhibition. Moreover, the phosphorylation of protein kinase B (AKT) and glycogen synthase kinase-3β (GSK-3β) was increased by the MAE, leading to an expression enhancement of glycogen synthase 2 (GYS2). And this effect was blocked by the phosphoinositide 3-kinase (PI3K) inhibitor LY294002. In summary, our results suggested that the MAE regulates glucose metabolism by activating the PI3K/AKT pathway that relates to glycogen synthesis as well as through the inhibition of key molecules that promote gluconeogenesis.
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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