Evidence for a protective response by the gill proteome of rainbow trout exposed to X‐ray induced bystander signals
Why this work is in the frame
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Bibliographic record
Abstract
The bystander effect occurs when cells which are not directly exposed to radiation, but which receive signals from irradiated cells, respond as though they were irradiated. An X-ray induced bystander effect has been demonstrated in rainbow trout gills. Therefore, a proteomic comparison was made of gills from X-ray treated trout and trout exposed to X-ray induced bystander signals. 2-D gel analysis revealed X-ray exposure increased the expression of the cancer related protein annexin II. The proteomic changes associated with the bystander effect differed from those associated with direct radiation exposure. Expression of a hemopexin-like protein, Rho GDP dissociation inhibitor (RhoGDI) and pyruvate dehydrogenase (PDH) were increased. These proteins possess protective properties against reactive oxygen damage (a component of the bystander signal), regulate epithelial polarity and prevent lactate acidosis, respectively. There was also evidence for an increase in chromosome 1 SR-like CTD-associated factor (SCAF) protein turnover, which could suggest the protective response is transcriptionally regulated. The freshwater fish gill is a polarised barrier, separating against an external hypotonic environment. Since the maintenance of epithelial polarity is vital to gill function, these bystander effect proteomic changes could collectively protect the structural, functional and intracellular integrity of gill epithelia.
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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 | 0.006 | 0.011 |
| 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