Antiviral effects of bovine lactoferrin on human norovirus
Bibliographic record
Abstract
Human noroviruses cause significant morbidity and mortality worldwide, but lack approved antivirals or vaccines to treat or prevent infections. The recent development of two cell culture systems in human transformed B cells (BJABs) and non-transformed human intestinal enteroid cultures overcomes a main limitation in identifying molecules with anti-norovirus activities. Lactoferrin is an iron-binding glycoprotein found in the milk of most mammals, with broad spectrum antimicrobial activities, including against the related murine norovirus in cell culture. In a Japanese clinical trial, ingestion of lactoferrin reduced the incidence of infectious gastroenteritis in the participants. Because human noroviruses were the most common cause of gastroenteritis in Japan during the clinical trial period, we sought to determine whether lactoferrin could inhibit infection with human norovirus. Our study, using a B cell culture model, demonstrates that lactoferrin reduces human norovirus infection. The mechanism of antiviral action is likely indirect and may involve the induction of innate interferon responses. Therefore, future studies are warranted to test the antiviral efficacy of lactoferrin against human norovirus infection in patients.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".