Regulation of SOCS-1 Expression by Translational Repression
Why this work is in the frame
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Bibliographic record
Abstract
Accumulating evidence demonstrates that cytokine receptor signaling is negatively regulated by a family of Src homology 2 domain-containing adaptor molecules termed SOCS (suppressor of cytokine signaling). Previous studies have indicated that the expression of SOCS-related molecules is tightly controlled at the level of transcription. Furthermore, it has been reported that SOCS polypeptides are relatively unstable in cells, unless they are associated with elongins B and C. Herein, we document the existence of a third mechanism of regulation of SOCS function. Our data showed that expression of SOCS-1, a member of the SOCS family, is strongly repressed at the level of translation initiation. Structure-function analyses indicated that this effect is mediated by the 5' untranslated region of socs-1 and that it relates to the presence of two upstream AUGs in this region. Further studies revealed that socs-1 translation is cap-dependent and that it is modulated by eIF4E-binding proteins. In combination, these results uncover a novel level of regulation of SOCS-related molecules. Moreover, coupled with previous findings, they suggest that SOCS expression is tightly regulated through multiple mechanisms, in order to avoid inappropriate interference with cytokine-mediated effects.
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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) | 0.008 | 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