The Constriction Ring of Amniotic Band Syndrome Reveals Idiosyncrasies of Wound Repair in Infancy
Bibliographic record
Abstract
ABSTRACT We hypothesized that the constriction rings in Amniotic Band Syndrome (ABS) are the sequelae of localized mechanical injury. Typical scarring pattern was examined in skin tissue of ABS origin, containing an amniotic band constriction, for collagen and elastin distribution, and the ratio of collagen I to collagen III (CI:CIII). A skin sample from an extra finger was the control. In the ABS specimens, sub-epidermal structures were intact and present throughout, and collagen I exhibited a normal basket-weave pattern. At the site of constriction in both ABS samples, reticular dermis elastin fibers were fragmented and papillary dermis elastin fibers were absent. In the control tissue, the reticular dermis contained relatively thick, branching fibers of elastin, and papillary dermis elastin was present. The elastin fragmentation at the constriction ring indicates localized elastin remodeling in response to injury. The absence of elastin in the papillary dermis of the constriction likely indicates a localized disruption in elastin formation. The formation and deposition of collagen and the presence of sub-epidermal structures favor a non-scarring phenotype, while the organization of elastin favors that of localized scarring. Summary Statement A rare, fetal model of healing after constrictive injury of skin, in which elastin fragmentation at the constriction injury indicates remodeling explained by the differential expression of elastin during gestation.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".