Regulation of Differentiation of HC11 Mouse Breast Epithelial Cells by the Signal Transducer and Activator of Transcription-3
Bibliographic record
Abstract
BACKGROUND/AIM: The differentiation of the mouse breast epithelial cell line HC11 is known to require confluence as well as the addition of hydrocortisone, insulin and prolactin. MATERIALS AND METHODS: Since confluence, which triggers the engagement of the cell-to-cell adhesion molecule E-cadherin, induces a dramatic increase in the activity of signal transducer and activator of transcription-3 (Stat3), we examined the role of Stat3 in HC11 cell differentiation. RESULTS: Stat3 inhibition abolished differentiation, indicating that Stat3 activity is critically required. However, expression of the mutationally activated form of Stat3 (Stat3C), rather than promoting, it was found to block cell differentiation, even when expressed in low levels, and in the absence of full neoplastic conversion. CONCLUSION: The strength of the E-cadherin/Stat3 signal is key for the outcome of the differentiation process.
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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 | 0.000 |
| 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 | 0.001 |
| 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".