Snail family proteins in cervical squamous carcinoma: Expression and significance
Bibliographic record
Abstract
PURPOSE: Epithelial-mesenchymal transition (EMT) is crucial for tumor progression and metastasis. Snail family members, including Snail, Slug and Smuc, are the transcription factors that repress E-cadherin expression and induce epithelial-mesenchymal transition in some tumor tissues. In this study, the expression of snail family proteins in cervical squamous cancers was evaluated. METHODS: A series of 144 samples, comprising 28 cases of normal cervical tissues and 116 cases of squamous cell carcinoma (SCC), were used for analysis. The expression of Snail, Slug, Smuc, E-cadherin and vimentin was assessed in the tissues by immunohistochemistry and was statistically analyzed by SPSS13.0. RESULTS: The increase in nuclear expression of snail and smuc was associated with down-regulation of E-cadherin and up-regulation of vimentin. The nuclear expression of Snail and Smuc was positively associated with lymph node metastasis of the SCC, and the nuclear expression of Snail was also positively related with histological differentiation. In contrast, tumor size, histological differentiation, lymph node metastasis and stages of the SCC were not associated with the expression of Slug, cytpolasmic Smuc or cytoplasm levels of Snail. CONCLUSION: Snail and Smuc proteins, but not Slug, may contribute to the onset of EMT in SCC. Inhibiting the expression of Snail and Smuc might be a potential therapeutic target for the treatment of metastasis and invasion of cervical carcinomas.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.005 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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".