Ovarian failure and dilated cardiomyopathy due to a novel lamin mutation
Why this work is in the frame
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Bibliographic record
Abstract
Two unrelated young women presented with similar dysmorphic features including severe retrognathia, beaked nose, narrow chest, sloping shoulders, and an acrogeric appearance of the hands and feet. Neither had any evidence of skeletal myopathy, but both developed progressive dilated cardiomyopathy, both experienced premature ovarian failure, and both were found to have the same heterozygous novel missense mutation c.176T>G in exon 1 of the LMNA gene, resulting in a leucine to arginine change at codon 59 (Leu59Arg). Mutations in the LMNA gene cause a variety of disorders including dilated cardiomyopathy, muscular dystrophy, familial lipodystrophy, progeria, atypical progeroid syndromes, and mandibuloacral dysplasia. Genotype-phenotype correlation has been reported for some of these conditions. Our patients are the only ones known to have the specific mutation Leu59Arg and also share a set of features not entirely consistent with any of the laminopathies previously described. A previously reported patient with an adjacent mutation (Ala57Pro) had "atypical Werner syndrome" with dilated cardiomyopathy, hypogonadism, and sloping shoulders. While each of these clinical features does occur in other laminopathy syndromes, these patients form a phenotypic cluster distinct from other laminopathies and clinically overlapping with Malouf syndrome. LMNA sequencing should be considered for patients presenting with dilated cardiomyopathy and hypergonadotropic hypogonadism, including those previously diagnosed with Malouf syndrome.
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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 | 0.000 |
| 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