Immunohistochemical Evaluation of Conjunctival Fibrillin-1 in Marfan Syndrome
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: To evaluate status of conjunctival fibrillin-1 in patients with Marfan syndrome with ectopia lentis. METHODS: Frozen sections of conjunctiva from 6 patients with Marfan syndrome with ectopia lentis and from 15 age-matched control subjects were stained with mouse antihuman fibrillin-1 antibody, using an avidin biotin immunoperoxidase technique. The fibrillin-1 staining characteristics of conjunctiva were analyzed with the light microscope. RESULTS: All the fresh frozen sections of conjunctival samples from control subjects demonstrated a characteristic pattern of fibrillin-1 staining. We observed a woven network of thin fibrils of uniform thickness surrounding collagen bundles. The fresh frozen samples from patients with Marfan syndrome showed consistent qualitative differences in fibrillin-1 staining when compared with samples from control subjects. The fibrils were longer and straighter than normal, varied in caliber, and showed fewer tendencies to form a woven pattern. CONCLUSIONS: Consistent, qualitative abnormalities in fibrillin-1 staining pattern can be seen in the conjunctiva of patients with Marfan syndrome with ectopia lentis. Conjunctival biopsy deserves further investigation as a diagnostic modality for Marfan syndrome in patients with ectopia lentis.
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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