Cellular localization of 17 natural mutant variants of ALADIN protein in triple A syndrome – shedding light on an unexpected splice mutation
Why this work is in the frame
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Bibliographic record
Abstract
The triple A syndrome is a complex and multisystemic autosomal recessive disease with the 3 main symptoms of adrenal insufficiency, alacrima, and achalasia accompanied by neurological impairment. Mutations in the AAAS gene on chromosome 12q13 are responsible for the disorder. AAAS encodes a protein named ALADIN, which belongs to the family of WD-repeat-containing proteins and has been shown to localize to nuclear pore complexes. The function of the protein is not clear. It is supposed that ALADIN plays an important role in RNA and (or) protein trafficking between the nucleus and cytoplasm. With transfection experiments, we analyzed the cellular localization of the wild-type and 17 natural mutant variants (9 missense, 5 nonsense, 3 frameshift mutations) of ALADIN. We show that most mutations cause mislocalization of the mutant ALADIN proteins in the cytoplasm. In contrast, some variants with mutations located at the N-terminus (Q15K, L25P) and 3 artificial C-terminus mutations (Q490X, R493X, and V497X) remain at the nuclear pore. Using a patient cell line, we show that the mutation 43C>A in exon 1 does not cause a missense mutation Q15K but, rather, results in aberrant splicing.
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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