Expression of Death Receptors and Associated Regulatory Proteins in Pediatric Acute Lymphoblastic Leukemia: Preliminary Results
Bibliographic record
Abstract
Altered regulation of the cell cycle and/or apoptosis are well established events in the process of neoplastic transformation. Fas-mediated apoptosis is regulated by several inhibitory proteins in normal lymphocytes and leukemic cells. Some of these protein molecules may also play a role in the induction of apoptosis through death receptors for a similar molecule, TNF-related apoptosis inducing ligand (TRAIL). The involvement of these anti-apoptotic molecules in leukemogenesis is uncertain. Our preliminary findings indicate decreased expression of pro-apoptotic TRAIL-DR4 receptors in leukemic T cells relative to untransformed T cells. This decrease in expression may represent a potential determinant of poor acute lymphoblastic leukemia (ALL) prognosis, as it may result in a favorable biological situation for escape from apoptosis. Our data also demonstrate decreased levels of expression of pro-apoptotic Fas protein molecules in pediatric patient samples, relative to ALL cell lines. This difference suggests that circulating leukemic cells differ in their susceptibility to Fas-mediated apoptosis. Taken together, our data suggest that ALL cell lines and circulating leukemic cells from pediatric patients possess different regulatory mechanisms in order to attenuate Fas-mediated signaling
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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 | 0.000 |
| 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 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".