Adenovirus‐5 E1A suppresses differentiation of 3T3 L1 preadipocytes at lower levels than required for induction of apoptosis
Bibliographic record
Abstract
To investigate the functional relationship between the ability of the adenovirus-5 E1A oncogene product to transform with its ability to block adipocytic differentiation and induce apoptosis, we expressed E1A in the 3T3 L1 preadipocytic cell line. The results demonstrate a dramatic, quantitative reciprocal regulation of differentiation and several transformation-associated properties in response to graded levels of E1A expression, with the suppression of differentiative capacity, focus formation, and anchorage-independent proliferation requiring increasing levels of E1A. Progressively higher E1A levels were accompanied by apoptosis induction. The effect of E1A upon adipocytic differentiation as well as transformation and apoptosis required binding to the retinoblastoma-susceptibility gene product. These data reveal a dissociation between E1A signals leading to transformation, suppression of differentiation and induction of apoptosis, based on levels of expression.
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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 | 0.001 | 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".