<i>Hippophae rhamnoides</i> L. polysaccharide enhances antioxidant enzyme activity, cytokine level, and related mRNA expression in intestinal porcine epithelial cells
Why this work is in the frame
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Bibliographic record
Abstract
Hippophae rhamnoides L. polysaccharide (HRP) has antioxidant and immunomodulatory actions. It has been reported that HRP can reduce the release of reactive oxygen species (ROS). The objective of this study was to investigate the effects of HRP on immunomodulatory and antioxidant activity in intestinal porcine jejunum epithelial (IPEC-J2) cells. Effective conditions of HRP (0, 200, 400, 600, and 800 μg mL −1 ) were evaluated by pretreatment of IPEC-J2 cells for 24 h. The results showed that pretreatment with 0–600 μg mL −1 of HRP enhanced cell survival rate, while more than 600 μg mL −1 posed a threat to IPEC-J2 cell viability and lowered cell survival rate (p < 0.05). In addition, results revealed that, compared with the control group, the treatment of IPEC-J2 cells with 200–600 μg mL −1 of HRP for 24 h decreased ROS, malondialdehyde, protein carbonyl levels, and cell apoptosis. Meanwhile, the levels of superoxide dismutase, glutathione peroxidase, interleukin-1 beta, interleukin-2, interleukin-6, interleukin-8, tumour necrosis factor-alpha were elevated, and enhanced relative mRNA levels were also shown in the IPEC-J2 cells. Both the contents of immunoglobulin M, immunoglobulin A, and immunoglobulin G elevated with the increases of HRP concentration (200, 400, and 600 μg mL −1 ), and an increase of catalase relative mRNA levels were also observed in IPEC-J2 cells. Data indicated that 600 μg mL −1 of HRP had a potent protective effect on IPEC-J2 cells. Taken together, these results suggested that HRP was effective in regulating intestinal epithelial cells in piglets.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| 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