Expression of TMPRSS2:ERG gene fusion in prostate cancer cells is an important prognostic factor for cancer progression
Why this work is in the frame
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Bibliographic record
Abstract
The prostate-specific gene, TMPRSS2, is fused with the transcription factor gene, ERG in a high proportion of prostate cancers. However, the clinical significance of TMPRSS2:ERG gene fusion among prostate cancer patients is unknown. We assayed for the presence of the TMPRSS2:ERG gene fusion product among 26 patients who underwent surgery for clinically localized prostate cancer using RT-PCR and direct DNA sequencing, and evaluated its prognostic significance. All 26 patients had cancers of the same histologic grade (Gleason score 7). The fusion protein was present within prostate cancer tumor cells in eleven patients (42.3%). Nine patients experienced biochemical disease relapse (elevated PSA) after a mean follow-up of 12 months (range 1 to 48 months). Patients with the fusion protein had a significantly higher rate of recurrence (5-year recurrence rate 79.5%) compared to patients who lacked the fusion protein (five-year recurrence rate 37.5%, p = 0.009). The adjusted hazard ratio for disease relapse for patients with the fusion protein was 7.1 (95% C.I.: 1.1-45, p = 0.03) compared to patients without the fusion protein. In multivariate analysis, the presence of gene fusion was the single most important prognostic factor. Our study indicates that the expression of TMPRSS2:ERG fusion gene among prostate cancer patients treated with surgery is a strong prognostic factor for disease relapse, and may have important clinical implications.
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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) | 0.001 | 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) | 0.001 | 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