TLR3 ligand stimulates fully functional memory CD8+ T cells in the absence of CD4+ T-cell help
Bibliographic record
Abstract
We investigated whether Toll-like receptor ligands (TLR-Ls) can bypass the requirement for CD4(+) T-cell help in the induction of fully efficient memory CD8(+) T cells (cytotoxic T lymphocytes [CTLs]). "Helpless" CTLs were induced by a synthetic CD8(+) T-cell epitope administered with TLR3-L and TLR9-L, but not with TLR2/6-L, TLR4-L, or TLR7-L. The up-regulation of MHC-I and costimulatory molecules by dendritic cells following TLR stimulation was not sufficient for the priming of "helpless" CTLs, which depended essentially on the induction of a strong IFN-alpha/beta response. The "helpless" CTLs induced by TLR-Ls differentiated into fully functional memory CTLs able to proliferate as well as their "helped" counterparts upon challenge, in the absence of CD4(+) T-cell help.
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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 | 0.000 |
| 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".