Soluble Recombinant Coxsackievirus and Adenovirus Receptor Abrogates Coxsackievirus B3–Mediated Pancreatitis and Myocarditis in Mice
Bibliographic record
Abstract
BACKGROUND: Group B coxsackievirus infection can result in organ injury and inflammation. The coxsackievirus and adenovirus receptor (CAR) and decay-accelerating factor (DAF; CD55) have both been identified as receptors for coxsackievirus B3 (CVB3). We have shown elsewhere that early DAF-Fc treatment attenuates CVB3-induced myocarditis and virus replication. METHODS: CAR was synthesized as a soluble IgG1-Fc fusion protein (CAR-Fc). In vitro, CAR-Fc blocked infection by 2 different strains of CVB3. A/J mice were infected in vivo with CVB3 and were administered CAR-Fc either 3 days before infection, during infection, or 3 days after infection and were compared with mice infected with virus alone and control animals. RESULTS: All CAR-Fc treatment groups had reduced recoverable infectious virus in the heart. CAR-Fc treatment of mice, either preceding or concurrent with CVB3 infection, resulted in complete inhibition of myocardial lesion area, cell death and inflammation, and viral RNA. Early treatment also completely blocked inflammation and cell death in the pancreas, an organ that is normally very sensitive to infection. CONCLUSION: To our knowledge, CAR-Fc is the only protein that has been shown to block coxsackievirus infection of the pancreas. However, regardless of the efficacy of the test protein, target tissue cannot be rescued after day 3 of infection in the A/J mouse model.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.001 |
| 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".