Identification of OPTN p.(Asn51Thr): A novel pathogenic variant in primary open-angle glaucoma
Why this work is in the frame
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Bibliographic record
Abstract
PurposePathogenic variants in TBK1, MYOC, and OPTN are associated with primary open-angle glaucoma (POAG) with severe visual field defects. This study aims to understand further POAG-related pathogenic variant(s) based on a cohort of East Asian populations that have not been well-characterized.MethodsWe conducted a comprehensive screening of TBK1, MYOC, and OPTN variants in 174 POAG Japanese patients, followed by 8380 population-specific genome sequencing data references, segregation analysis, and functional protein assays to determine pathogenic variants.ResultsDespite the small sample size, 4 variants were novel, 2 of which p.(Cys5Trp) and p.(Thr293Met) were in the MYOC gene, and 2 p.(Asn51Thr), and p.(Gln142His) were in the OPTN. Notably, the OPTN p.(Asn51Thr) missense variant adjacent to the p.(Glu50Lys) variant, a well-known POAG pathogenic variant, was segregated from all proband’s family members with POAG. Moreover, in silico and in vitro analyses revealed that the OPTN p.(Asn51Thr) protein increased binding instability, interactions of the OPTN-TBK1 complex, and enhanced protein insolubility, likewise the p.(Glu50Lys) protein.ConclusionOur findings may provide further genetic insights into rare variants of POAG and support the clear conclusion that OPTN p.(Asn51Thr) is a novel likely pathogenic variant.
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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 | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| 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