In Situ Replication of Immediate Dendritic Cell (DC) Precursors Contributes to Conventional DC Homeostasis in Lymphoid Tissue
Bibliographic record
Abstract
The developmental biology of dendritic cells (DC) under physiological conditions remains unclear. In this study, we show that mouse CD11c(+) MHC class II(-)lineage(-) cells are immediate precursors of conventional DC and are widely distributed in both bone marrow and lymphoid tissues. These precursors have a high clonal efficiency, and when cocultured on a supportive stromal monolayer or adoptively transferred in vivo, generate a population CD11c(+)MHC class II(+) DC that retain limited proliferation capacity. During steady state conditions, a small proportion of immediate DC precursors (DCp) and DCs are dividing actively in bone marrow and spleen. Cytokines that initiate and support proliferation of immediate DCp were defined. Collectively, our findings provide evidence of a distinct development pathway for conventional DC in both bone marrow and lymphoid tissues and highlight the importance of in situ replication of immediate DCp and DC in maintaining conventional DC populations.
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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 | 0.001 |
| 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".