Minocycline attenuates T cell and microglia activity to impair cytokine production in T cell-microglia interaction
Why this work is in the frame
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Bibliographic record
Abstract
Minocycline, a tetracycline with anti-inflammatory properties, has been reported to down-regulate the activity of microglia, whose activation occurs in inflammatory and degenerative diseases of the central nervous system, such as multiple sclerosis and Alzheimer's disease. In these disorders, a T cell component is also evident, and we have demonstrated previously that the interaction of activated T cells with microglia led to the substantial increase in tumor necrosis factor alpha (TNF-alpha) levels. Here, we report that minocycline decreases TNF-alpha levels produced in human T cell-microglia interaction. This effect is mediated by a direct action of minocycline on the activated T cells and on microglia, which resulted in the decreased ability of T cells to contact microglia. In correspondence, minocycline decreased the expression on T cells of the CD40 ligand (CD40L), a key molecule regulating the contact-mediated interaction of T cells with microglia. These results demonstrate that the mechanism of action of minocycline involves not only microglia but also T cells and their subsequent activation of microglia. The capacity of minocycline to down-regulate CD40L on T cells may provide a new means to target the CD40-CD40L pathway, which regulates several inflammatory processes.
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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 | 0.000 | 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) | 0.000 | 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