Mouse model for ablation of proliferating microgliain acute CNS injuries
Bibliographic record
Abstract
Activation of microglia, the primary immune effectors of the CNS and proinflammatory signaling, is a hallmark of brain damage. However, it remains controversial whether microglial cells have beneficial or detrimental functions in various neuropathological conditions. We report the generation of transgenic mice that express a mutant form of herpes simplex virus type 1 thymidine kinase (HSV-1 TK(mt-30)) driven by the myeloid-specific CD11b promoter. Using two paradigms of nervous system damage, hypoglossal nerve axotomy, and cortical stab injury, we show that specific ablation of proliferating microglia in CD11b-TK(mt-30) mice can be achieved by administration of ganciclovir. For example, after hypoglossal nerve injury, a 75% reduction in proliferating microglial cells was observed at the site of injury. The CD11b-TK(mt-30) transgenic mouse should provide a valuable tool for studying the role of microglia in CNS damage and repair.
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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 | 0.000 | 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 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".