Isolation and Culture of Mesenchymal Stem Cells from Mouse Compact Bone
Bibliographic record
Abstract
The bone marrow (BM) of numerous species, including rodents and man, contains a rare population of cells termed marrow stromal cells or mesenchymal stem cells (MSC). Given the ability of these cells to differentiate into cells of the osteogenic, chondrogenic and adipogenic lineages, there is considerable interest in utilizing MSCs in a broad repertoire of cell-based therapies for the treatment of human disease. Before such potential therapies can be realized, a preclinical animal model in which to test and refine strategies utilizing MSC is required. Here we describe methods for the isolation of a highly enriched population of MSC from mouse cortical/compact bone (CB), quantitation using the colony forming unit-fibroblast assay (CFU-F) and in vitro expansion. These cells are both multipotent and capable of extensive in vitro expansion and thus represent an ideal cellular source to explore both the biological properties of MSC as well as their potential efficacy in a variety of cellular therapies.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.005 | 0.005 |
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".