Enhancer of Zeste homolog 2 (EZH2) is overexpressed in recurrent nasopharyngeal carcinoma and is regulated by miR-26a, miR-101, and miR-98
Why this work is in the frame
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Bibliographic record
Abstract
There is increasing evidence supporting the role of members of the polycomb group (PcG) gene family in tumor development and progression. However, their precise role in tumorigenesis and mechanisms of their regulation remain to be elucidated. Using nasopharyngeal carcinoma (NPC) as a disease model, a comprehensive analysis was undertaken on the clinical significance of EZH2 expression, identification of the cellular processes regulated by EZH2, and the mechanisms of its deregulated expression. Herein, we report EZH2 as being associated with a higher risk of relapse in NPC patients (P = 0.002). Genome-wide microarray and bioinformatics identified several vital cellular processes (such as differentiation, development, and apoptosis) to be regulated by EZH2, corroborated by in vitro lethality, and delayed tumor formation in vivo upon EZH2 depletion. The combination of global microRNA (miR) profiling in primary NPC specimens, and in silico analyses provided several candidate miRs that could regulate EZH2. Using a luciferase-based assay, miR-26a, miR-101, and miR-98 were validated as bona fide regulators of EZH2 expression. In particular, miR-98 was underexpressed in relapsed patient samples, strongly suggesting an important role for the miR-98 and EZH2 axis in NPC biology.
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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 | 0.000 | 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 it