Comparison of regenerative neurogenesis in response to CNS injury between adult zebrafish and mice
Bibliographic record
Abstract
The difference between adult zebrafish and mice in their regenerative capacity following central nervous system (CNS) injury is influenced by the permissiveness of the brain microenvironment aside from the intrinsic neurogenic potential of the cell population. In adult zebrafish, glia cells largely retain their radial characteristics and neurogenic capacity, and the zebrafish brain shows full recovery after traumatic brain injury (TBI) as well as spinal cord injury (SCI). Conversely, in mice, radial glia (RG) have largely differentiated into astrocytes. Excluding certain brain regions, following TBI, reactive astrocytes that show the potential to become neural stem cells (NSCs) in vitro remain strictly non-neurogenic in vivo due to the presence of inhibitory factors in the microenvironment. Combined with prolonged inflammation and gliosis, injury to the CNS eventually results in formation of a glial scar further impeding regeneration. However in rodents, suppression of neurogenesis may be a protection mechanism against possible detrimental side-effects of neurogenesis in the long term.
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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 | 0.003 | 0.004 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.001 | 0.003 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| 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".