Fucoidan reduces inflammatory response in a rat model of hepatic ischemia–reperfusion injury
Why this work is in the frame
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Bibliographic record
Abstract
Ischemia-reperfusion (I/R) injury after a liver transplant is a major cause of severe complications that lead to graft dysfunction. Fucoidan, a complex of sulfated polysaccharides derived from marine brown algae, demonstrated antiapoptotic as well as potential anti-inflammatory properties in previous studies. Fucoidan has also shown protective effects on I/R-injured kidney and heart. However, whether fucoidan can attenuate hepatic I/R injury has not been examined. To clarify the role of fucoidan in hepatic I/R injury, Sprague-Dawley rats were subjected to sham operation or ischemia followed by reperfusion with treatment of saline or fucoidan (50, 100, or 200 mg·(kg body mass)(-1)·d(-1)). The fucoidan-treated group showed decreased levels of alanine aminotransferase and aspartate aminotransferase compared with the control group. Myeloperoxidase and malondialdehyde activities and mRNA levels of CD11b in the fucoidan-treated group were significantly decreased. Hepatocellular swelling/necrosis, sinusoidal/vascular congestion, and inflammatory cell infiltration were also attenuated in the fucoidan group. The expression of TNF-α, IL-6, IL-1β, CXCL-10, VCAM-1, and ICAM-1 were markedly decreased in the samples from the fucoidan-treated group. Fucoidan largely prevented activation of the inflammatory signaling pathway, compared with the control group. In summary, fucoidan can protect the liver from I/R injury through suppressing activation of the inflammatory signaling pathway, as well as the expression of inflammatory mediators, and inflammatory cell infiltration.
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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 | 0.001 | 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