Evidence for a neuropathic contribution to the development of spontaneous knee osteoarthrosis in a mouse model
Why this work is in the frame
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Bibliographic record
Abstract
Previous work has shown a progressive, age-related loss of knee joint innervation in the C57BL6Nia mouse. We did three experiments to describe further the loss and determine whether it might contribute to the development of knee osteoarthrosis in this model. Immunocytochemistry showed that the percentage of neurons expressing substance P and calcitonin gene-related peptide increased with age, indicating a relatively selective loss of mechanoreceptors. Histological examination of knee joints of mice at various ages showed that loss of joint innervation always preceded histological changes of cartilage degeneration. The mice usually developed a mild form of osteoarthrosis, but surgical ablation of joint innervation caused the development of severe patellofemoral osteoarthrosis. The findings are consistent with the hypothesis that an age-related loss of joint innervation may contribute to the development of osteoarthrosis.
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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 | 0.001 |
| 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