Immunomodulatory Effects of Orally-Administered Saponins and Nonspecific Resistance against Rabies Infection
Bibliographic record
Abstract
We present evidence that orally fed Quillaja saponins offer nonspecific resistance to mice against rabies viral infection. Adoptive transfer of spleen cells and thymocytes from animals preconditioned with saponin (SAP), inactivated rabies antigen (AG), or a mixture of AG+SAP has offered significant protection against an intracerebral challenge with live rabies virus. Levels of serum rabies-neutralizing antibodies in the different groups of recipient animals did not correlate with the respective survival rates. Culture supernatants of concanavalin A-stimulated spleen cells from animals fed SAP or AG+SAP induced marked T cell and B cell proliferation, and also greatly enhanced the plaque-forming cell activity of unprimed spleen B cells. Irrespective of the presence or absence of rabies-specific antibodies, sera from animals fed a mixture of AG+SAP induced significant levels of cell proliferation and augmented phytohemagglutinin (PHA)-induced responsiveness of spleen lymphocytes in vitro. The addition of sera from animals fed AG alone resulted in inhibition of cell proliferation and suppressed PHA-induced responses.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".