<i>Fus</i> gene mutations in familial and sporadic amyotrophic lateral sclerosis
Why this work is in the frame
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Bibliographic record
Abstract
Mutations in the fused in sarcoma (FUS) gene have recently been found to cause familial amyotrophic lateral sclerosis (FALS). We screened FUS in a cohort of 200 ALS patients [32 FALS and 168 sporadic ALS (SALS)]. In one FALS proband, we identified a mutation (p.R521C) that was also present in her affected daughter. Their clinical phenotype was remarkably similar and atypical of classic ALS, with symmetric proximal pelvic and pectoral weakness. Distal weakness and upper motor neuron features only developed late. Neuropathological examination demonstrated FUS-immunoreactive neuronal and glial inclusions in the spinal cord and many extramotor regions, but no TDP-43 pathology. We also identified a novel mutation (p.G187S) in one SALS patient. Overall, FUS mutations accounted for 3% of our non-SOD1, non-TARDBP FALS cases and 0.6% of SALS. This study demonstrates that the phenotype with FUS mutations extends beyond classical ALS cases. Our findings suggest there are specific clinicogenetic correlations and provide the first detailed neuropathological description.
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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 | 0.001 |
| 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