Discovery of a novel missense mutation in the RIMS1 gene potentially enhances the severity of retinitis pigmentosa (RP) caused by RP1 mutation in humans
Bibliographic record
Abstract
Retinitis pigmentosa (RP) is a genetically diverse disorder characterized by the progressive degeneration of photoreceptors, ultimately leading to vision impairment and potential blindness. Understanding the disease progression and developing effective therapies is challenging due to its complex genetic landscape. This study unveils a di-genic complexity in RP involving a novel missense mutation in the RIMS1 and RP1 genes, traditionally associated with Cone-Rod Dystrophy. This mutation potentially enhances the RP phenotype, particularly in cases caused by RP1 mutations. We conducted a comprehensive genetic analysis on a family with a severe form of RP, focusing on the combined effects of RIMS1 and RP1. Using a targeted gene panel of 322 inherited retinal dystrophy (IRD) genes, we discovered a significant interaction between the RIMS1 variant and RP1 mutation within the cohort. Interestingly, patients with identical mutations exhibited substantial disease severity and progression differences. This discrepancy was particularly apparent in Patient E_1, who experienced rapid vision decline, emphasizing the impact of the mutation when combined with RP1. Biological network analysis shed light on the intricate genetic interplay, indicating a complex mechanism of disease modulation. Our findings contribute to a more nuanced understanding of RP's genetic heterogeneity. The RIMS1 variant may serve as a modifier of the disease phenotype. This discovery expands our comprehension of the genetic factors influencing RP and underscores the importance of considering digenic interactions in future research and therapy development for retinal dystrophies. • A new RIMS1 mutation (c.904G>C, p.Glu302Gln) may influence retinitis pigmentosa (RP) in RP1 mutation carriers. • RIMS1 and RP1 mutations can affect RP phenotypes and severity. • Genetic modifiers like RIMS1 can alter disease progression in RP1 carriers.
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How this classification was reachedexpand
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 | 0.000 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".