Deficiency of pyruvate dehydrogenase caused by novel and known mutations in the E<sub>1</sub>α subunit
Why this work is in the frame
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Bibliographic record
Abstract
Pyruvate dehydrogenase (PDH)-complex deficiency (OMIM 312170) is a clinically heterogeneous disorder, with phenotypes ranging from fatal lactic acidosis (LA) in the newborn to chronic neurological dysfunction. To date, over 80 different mutations have been identified in the PDHA1 gene in patients with PDH complex deficiency, which are thus thought to contribute to the PDH deficient phenotype. We have identified 14 additional patients with total PDH complex deficiency, all of whom were found to contain mutations within the PDHA1 gene (E(1)alpha subunit). The mutations include both missense mutations and duplications. Eight of these patients had novel mutations, and the remaining had mutations that have been identified previously in PDH complex deficient patients, with residual fibroblast activity ranging from 2.4 to 69% of control values. The nature of these mutations illustrates the variability in phenotype for a given gene defect, with intermittent ataxia being the mildest presentation, Leigh syndrome being the most common and severe neonatal LA the most severe.
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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 | 0.001 |
| 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