The 3895-bp mitochondrial DNA deletion in the human eye: a potential involvement in corneal ageing and macular degeneration
Why this work is in the frame
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Bibliographic record
Abstract
In human skin, the 3895-bp deletion of mitochondrial DNA (mtDNA(3895)) is catalysed by ultraviolet (UV) light through the generation of reactive oxygen species. Given its function in vision, the human eye is exposed to oxidising UV and blue light in its anterior (cornea, iris) and posterior (retina) structures. In this study, we employed a highly sensitive quantitative PCR technique to determine mtDNA(3895) occurrence in human eye. Our analysis shows that the mtDNA(3895) is concentrated in both the cornea and the retina. Within the cornea, the highest mtDNA(3895) level is found in the stroma, the cellular layer conferring transparency and rigidity to the human cornea. Moreover, mtDNA(3895) accumulates with age in the stroma, suggesting a role of this deletion in corneal ageing. Within the retina, mtDNA(3895) is concentrated in the macular region of both the neural retina and the retinal pigment epithelium, supporting the hypothesis that this deletion is implicated in retinal pathologies such as age-related macular degenerescence. Taken together, our results imply that UV and blue light catalyse mtDNA(3895) induction in the human eye.
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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