Dendritic Cells Matured With TNF can be Further Activated In Vitro and After Subcutaneous Injection In Vivo Which Converts Their Tolerogenicity Into Immunogenicity
Why this work is in the frame
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Bibliographic record
Abstract
Dendritic cell (DC) maturation can occur by different types of stimuli. Previously, we described that murine DC matured with tumor necrosis factor (TNF) up-regulate surface MHC and costimulatory molecules but lack cytokine release, and therefore termed them semi-mature DC. These TNF/DC-induced tolerance after intravenous (i.v.) injection in a model of experimental autoimmune encephalomyelitis (EAE). Here, we show that TNF/DC are not terminally differentiated but can still respond to the microbial stimulus lipopolysaccharide. Subcutaneously injected TNF/DC induce an unpolarized T(H)1/T(H)2 response and are not protective in the experimental autoimmune encephalomyelitis model. Although TNF/DC home to the draining lymph node, they remain negative for intracellular cytokine stainings. However, the nonmigrating, endogenous DC started to produce interleukin (IL)-12p40, TNF and little IL-6, IL-10, and MCP-1 in a bystander fashion. Together, DC matured with the inflammatory stimulus TNF remains responsive to further signals in vitro and in vivo. These signals can be provided by pathogens or the subcutaneous injection route, which can convert them from tolerogenic to immunogenic DC. These findings are important for selecting the appropriate injection route of human DC for tumor immunotherapy.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| 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 it