Hypoxia-based Stem/Progenitor Cell Therapy: Focus on CXCR4/SDF-1 Axis
Bibliographic record
Abstract
Cell therapy is becoming a promising approach to treat degenerative diseases. Homing of the transplanted cells is one of the continuous challenges being faced by the stem cell biologists. Chemokine receptors are one of the highly studied factors which are known to be crucial in controlling the cell/stem cell migration and targeted homing to the damaged tissues. The expression of chemokine receptors is dependent on a number of transcription factors and HIF-1α has been considered the crucial molecules controlling cellular migration and homing. Several studies have revealed that hypoxia conditions stabilize the HIF-1α which upregulate the CXCR4/SDF-1 expression and help in the improvement of tissue regeneration. Here, we review pivotal roles of HIF-1α /CXCR4/SDF-1 pathway in homing of progenitor/Stem cell which were affected by physical hypoxia as well as various hypoxia-mimicking agents.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".