A Spike-Accum bioconjugate protein vaccine confers potent SARS-CoV-2-specific immunity
Bibliographic record
Abstract
Despite the recent control of COVID-19, the devastating effects caused by the 3-year pandemic highlight the importance of developing effective vaccines to rapidly address future outbreaks. The present study describes a novel Spike (Sp) protein-based vaccine formulation using the Accum platform. Although Sp-Accum bioconjugation does not alter the overall protein structure, it triggers a substantial antibody titer: i) exhibiting higher specificity toward the S1 domain of Sp, ii) neutralizing Sp-ACE2 interactions, and iii) cross-reacting with various Sp variants. Besides validating the vaccine immunogenicity in rabbits, its administration in a "gold-standard" SARS-CoV-2 hamster model was shown to be safe while accelerating viral clearance without eliciting signs of pathological inflammation in the lungs of infected animals. Altogether, this proof-of-concept study not only demonstrates once again the versatility of the Accum technology in vaccine engineering, but it provides an enabling technology for the rapid development of value-added, protein-based vaccines for future pandemics.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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".