The Effects Of Cell Cycle Synchronization On The Growth Potential Of Primary Articular Chondrocytes
Bibliographic record
Abstract
Rapid production of cartilaginous extracellular matrix (ECM) is required for scale up of any articular cartilage tissue engineering approach. Although several different methods have been investigated to increase the rate of cartilaginous ECM synthesis (e.g. growth factor stimulation, mechanical loading, etc.), there is evidence to suggest that cell cycle synchronization increases rate of ECM deposition. The issue with primary articular chondrocytes (PACs) is that routine methods to synchronize cells within a particular phase of the cell cycle rely on the use of monolayer culture, which is known to elicit cellular de-differentiation. This required development of a novel method of synchronizing cells within the S phase of the cell cycle during cell isolation. The objective of this study was to test whether synchronizing PACs would improve deposition of cartilaginous ECM in a three-dimensional culture model. Findings suggested that cell cycle synchronization was a viable method of improving the rate of matrix deposition in PACs.
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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 | 0.000 | 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) | 0.001 | 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".