Th1/Th2 xenogenic antibody responses are associated with recipient dendritic cells
Why this work is in the frame
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Bibliographic record
Abstract
We characterized dendritic cells (DC) phenotypically and functionally between C57BL/6 (Th1-prone) and BALB/c (Th2-prone) mouse recipients in an in vivo sensitization model. Two strains of mice were presensitized with Lewis rat splenocytes as xenogeneic antigens. We found that BALB/c recipients mounted a significantly higher total IgG response to the xeno-antigens when compared with C57BL/6 recipients, 10 days after rat splenocyte infusion. A Th2-mediated antibody response with high ratio of IgG1/IgG2a was seen in the BALB/c recipients, while a Th1 antibody response with low ratio of IgG1/IgG2a was detected in C57BL/6 recipients. CD11c(+)DC isolated from C57BL/6 recipients possessed increased expression of CD8alpha(+) (DC-1 type). The administration of bone marrow derived-DC from IL-12 knockout mice into C57BL/6 recipients induced a shift of Th-mediated anti-xenogeneic antibody responses from Th1 to Th2 domain. Our findings suggest that DC could play an important role to regulate the balance of Th1/Th2 cytokine profiles and rejection patterns in xenotransplantation.
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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) | 0.000 | 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 it