Umbilical Cord Lining Membrane and Wharton's Jelly-Derived Mesenchymal Stem Cells: the Similarities and Differences
Bibliographic record
Abstract
The umbilical cord tissue has gained attention in recent years as a source of multipotent cells.Due to its widespread availability, the umbilical cord may be an excellent alternative source of cells for regenerative medicine.Anatomically, umbilical cord tissue is constituted of several different parts, and, accordingly, immunostaining of cord tissue sections revealed differential distribution of several markers and extracellular matrix, distinguishing the various layers.Wharton's jelly is the major component filling the inner part of the umbilical cord tissue, and it has been commonly used as a source of obtaining multipotent cells from umbilical cord.We recently reported isolating mesenchymal stem cells from cord lining membrane (sub-amnion).However, because of several anatomically distinct zones found in the umbilical cord, isolated multipotent cells sometimes show heterogeneity.In addition, differences in isolation technique may lead to further variation.In this review, we discuss the similarities and differences between the cells derived from each sub-region, including sub-amnion as recently reported by us.We further explore the specific features and advantages/disadvantages of Wharton's jelly and the other sub-compartments in the umbilical cord tissue as sources of stem cells/multipotent cells.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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".