Rotary culture promotes the proliferation of MCF-7 cells encapsulated in three-dimensional collagen–alginate hydrogels via activation of the ERK1/2-MAPK pathway
Why this work is in the frame
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Bibliographic record
Abstract
Rotary cell culture systems (RCCS) have been shown to be promising for promoting three-dimensional (3D) cell growth and assembly of cells into functional tissues. In this study, 3D tissue-like spheroids of MCF-7 cells were constructed by encapsulating the cells in the collagen-alginate hydrogel, and then cultured in a RCCS to investigate the proliferation of MCF-7 cells. The results from the MTT assay showed that the proliferation rate of MCF-7 cells cultured in the RCCS was higher than that of the static culture control group, and the results from the flow cytometry revealed that the cells in S and G2/M phase were significantly increased compared to the control group. The expression of cell proliferation antigen PCNA and cyclin D1 was also examined with the results further supporting the enhanced proliferation of MCF-7 cells by the RCCS. The results from indirect immunofluorescence revealed that the rotary culture altered neither the cytoskeleton distribution nor the assembly of mitotic spindle. By examination, it was also shown that the rotary culture induced the ERK1/2-MAPK pathway. Taken together, this study demonstrated that the rotary culture could promote the proliferation of MCF-7 cells by inducing the ERK1/2 pathway.
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 it